beremiz: svghmi/svghmi.c@a3b8cfd89648 (annotated)

2765 887aba5ef178 SVGHMI: svghmi.c now has mutex, iterator, and read/write buffer. Edouard Tisserant parents: 2764 diff changeset	1	#include <pthread.h>
2776 246ae685ab65 SVGHMI: WIP for python<->C data exchange Edouard Tisserant parents: 2775 diff changeset	2	#include <errno.h>
2764 b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	3	#include "iec_types_all.h"
b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	4	#include "POUS.h"
b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	5	#include "config.h"
b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	6	#include "beremiz.h"
2750 2694170cd88e intermediate commit, work in progress Edouard Tisserant parents: diff changeset	7
2768 31785529a657 SVGHMI: Intermediate state while working on svghmi.c Edouard Tisserant parents: 2767 diff changeset	8	#define DEFAULT_REFRESH_PERIOD_MS 100
2765 887aba5ef178 SVGHMI: svghmi.c now has mutex, iterator, and read/write buffer. Edouard Tisserant parents: 2764 diff changeset	9	#define HMI_BUFFER_SIZE %(buffer_size)d
2776 246ae685ab65 SVGHMI: WIP for python<->C data exchange Edouard Tisserant parents: 2775 diff changeset	10	#define HMI_ITEM_COUNT %(item_count)d
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	11	#define HMI_HASH_SIZE 8
3270 38f7122ccbf9 SVGHMI: Implemented multiserver+multiclient, but only tested with single client and single server for now. To be continued... Edouard Tisserant parents: 2863 diff changeset	12	#define MAX_CONNECTIONS %(max_connections)d
38f7122ccbf9 SVGHMI: Implemented multiserver+multiclient, but only tested with single client and single server for now. To be continued... Edouard Tisserant parents: 2863 diff changeset	13
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	14	static uint8_t hmi_hash[HMI_HASH_SIZE] = {%(hmi_hash_ints)s};
2765 887aba5ef178 SVGHMI: svghmi.c now has mutex, iterator, and read/write buffer. Edouard Tisserant parents: 2764 diff changeset	15
887aba5ef178 SVGHMI: svghmi.c now has mutex, iterator, and read/write buffer. Edouard Tisserant parents: 2764 diff changeset	16	/* PLC reads from that buffer */
887aba5ef178 SVGHMI: svghmi.c now has mutex, iterator, and read/write buffer. Edouard Tisserant parents: 2764 diff changeset	17	static char rbuf[HMI_BUFFER_SIZE];
887aba5ef178 SVGHMI: svghmi.c now has mutex, iterator, and read/write buffer. Edouard Tisserant parents: 2764 diff changeset	18
887aba5ef178 SVGHMI: svghmi.c now has mutex, iterator, and read/write buffer. Edouard Tisserant parents: 2764 diff changeset	19	/* PLC writes to that buffer */
887aba5ef178 SVGHMI: svghmi.c now has mutex, iterator, and read/write buffer. Edouard Tisserant parents: 2764 diff changeset	20	static char wbuf[HMI_BUFFER_SIZE];
887aba5ef178 SVGHMI: svghmi.c now has mutex, iterator, and read/write buffer. Edouard Tisserant parents: 2764 diff changeset	21
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	22	/* TODO change that in case of multiclient... */
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	23	/* worst biggest send buffer. FIXME : use dynamic alloc ? */
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	24	static char sbuf[HMI_HASH_SIZE + HMI_BUFFER_SIZE + (HMI_ITEM_COUNT * sizeof(uint32_t))];
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	25	static unsigned int sbufidx;
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	26
2768 31785529a657 SVGHMI: Intermediate state while working on svghmi.c Edouard Tisserant parents: 2767 diff changeset	27	%(extern_variables_declarations)s
2765 887aba5ef178 SVGHMI: svghmi.c now has mutex, iterator, and read/write buffer. Edouard Tisserant parents: 2764 diff changeset	28
2771 361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it. Edouard Tisserant parents: 2768 diff changeset	29	#define ticktime_ns %(PLC_ticktime)d
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	30	static uint16_t ticktime_ms = (ticktime_ns>1000000)?
2768 31785529a657 SVGHMI: Intermediate state while working on svghmi.c Edouard Tisserant parents: 2767 diff changeset	31	ticktime_ns/1000000:
31785529a657 SVGHMI: Intermediate state while working on svghmi.c Edouard Tisserant parents: 2767 diff changeset	32	1;
31785529a657 SVGHMI: Intermediate state while working on svghmi.c Edouard Tisserant parents: 2767 diff changeset	33
31785529a657 SVGHMI: Intermediate state while working on svghmi.c Edouard Tisserant parents: 2767 diff changeset	34	typedef enum {
31785529a657 SVGHMI: Intermediate state while working on svghmi.c Edouard Tisserant parents: 2767 diff changeset	35	buf_free = 0,
2805 e521e0d133d5 SVGHMI: fixed HMI->PLC dataflow : not updates as expected, and not initialized properly after subscribe. Edouard Tisserant parents: 2802 diff changeset	36	buf_new,
2768 31785529a657 SVGHMI: Intermediate state while working on svghmi.c Edouard Tisserant parents: 2767 diff changeset	37	buf_set,
31785529a657 SVGHMI: Intermediate state while working on svghmi.c Edouard Tisserant parents: 2767 diff changeset	38	buf_tosend
31785529a657 SVGHMI: Intermediate state while working on svghmi.c Edouard Tisserant parents: 2767 diff changeset	39	} buf_state_t;
31785529a657 SVGHMI: Intermediate state while working on svghmi.c Edouard Tisserant parents: 2767 diff changeset	40
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	41	static int global_write_dirty = 0;
3374 9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	42	static long hmitree_rlock = 0;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	43	static long hmitree_wlock = 0;
2764 b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	44
2771 361366b891ca WIP on svghmi, now builds and runs. HTTP serving + WS transport ready, missing actual data to transmit and thread to collect it. Edouard Tisserant parents: 2768 diff changeset	45	typedef struct {
2764 b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	46	void *ptr;
b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	47	__IEC_types_enum type;
2765 887aba5ef178 SVGHMI: svghmi.c now has mutex, iterator, and read/write buffer. Edouard Tisserant parents: 2764 diff changeset	48	uint32_t buf_index;
2768 31785529a657 SVGHMI: Intermediate state while working on svghmi.c Edouard Tisserant parents: 2767 diff changeset	49
31785529a657 SVGHMI: Intermediate state while working on svghmi.c Edouard Tisserant parents: 2767 diff changeset	50	/* publish/write/send */
3270 38f7122ccbf9 SVGHMI: Implemented multiserver+multiclient, but only tested with single client and single server for now. To be continued... Edouard Tisserant parents: 2863 diff changeset	51	buf_state_t wstate[MAX_CONNECTIONS];
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	52
2768 31785529a657 SVGHMI: Intermediate state while working on svghmi.c Edouard Tisserant parents: 2767 diff changeset	53	/* zero means not subscribed */
3270 38f7122ccbf9 SVGHMI: Implemented multiserver+multiclient, but only tested with single client and single server for now. To be continued... Edouard Tisserant parents: 2863 diff changeset	54	uint16_t refresh_period_ms[MAX_CONNECTIONS];
38f7122ccbf9 SVGHMI: Implemented multiserver+multiclient, but only tested with single client and single server for now. To be continued... Edouard Tisserant parents: 2863 diff changeset	55	uint16_t age_ms[MAX_CONNECTIONS];
2768 31785529a657 SVGHMI: Intermediate state while working on svghmi.c Edouard Tisserant parents: 2767 diff changeset	56
31785529a657 SVGHMI: Intermediate state while working on svghmi.c Edouard Tisserant parents: 2767 diff changeset	57	/* retrieve/read/recv */
31785529a657 SVGHMI: Intermediate state while working on svghmi.c Edouard Tisserant parents: 2767 diff changeset	58	buf_state_t rstate;
31785529a657 SVGHMI: Intermediate state while working on svghmi.c Edouard Tisserant parents: 2767 diff changeset	59
2764 b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	60	} hmi_tree_item_t;
b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	61
b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	62	static hmi_tree_item_t hmi_tree_item[] = {
b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	63	%(variable_decl_array)s
b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	64	};
b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	65
2789 ba0dd2ec6dc4 SVGHMI: now built. Edouard Tisserant parents: 2788 diff changeset	66	typedef int(hmi_tree_iterator)(uint32_t, hmi_tree_item_t);
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	67	static int traverse_hmi_tree(hmi_tree_iterator fp)
2765 887aba5ef178 SVGHMI: svghmi.c now has mutex, iterator, and read/write buffer. Edouard Tisserant parents: 2764 diff changeset	68	{
887aba5ef178 SVGHMI: svghmi.c now has mutex, iterator, and read/write buffer. Edouard Tisserant parents: 2764 diff changeset	69	unsigned int i;
887aba5ef178 SVGHMI: svghmi.c now has mutex, iterator, and read/write buffer. Edouard Tisserant parents: 2764 diff changeset	70	for(i = 0; i < sizeof(hmi_tree_item)/sizeof(hmi_tree_item_t); i++){
887aba5ef178 SVGHMI: svghmi.c now has mutex, iterator, and read/write buffer. Edouard Tisserant parents: 2764 diff changeset	71	hmi_tree_item_t *dsc = &hmi_tree_item[i];
2799 f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	72	int res = (*fp)(i, dsc);
f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	73	if(res != 0){
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	74	return res;
2799 f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	75	}
f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	76	}
f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	77	return 0;
2765 887aba5ef178 SVGHMI: svghmi.c now has mutex, iterator, and read/write buffer. Edouard Tisserant parents: 2764 diff changeset	78	}
887aba5ef178 SVGHMI: svghmi.c now has mutex, iterator, and read/write buffer. Edouard Tisserant parents: 2764 diff changeset	79
2767 302347f48193 svghmi.c : deduplicated variable access code borrowed from plc_debug.c. Added targets/var_access.c. Edouard Tisserant parents: 2766 diff changeset	80	#define __Unpack_desc_type hmi_tree_item_t
2766 3f3b1b8ccba4 SVGHMI: Added iterators in svghmi.c copy-pasted form plc_debug.c Edouard Tisserant parents: 2765 diff changeset	81
2767 302347f48193 svghmi.c : deduplicated variable access code borrowed from plc_debug.c. Added targets/var_access.c. Edouard Tisserant parents: 2766 diff changeset	82	%(var_access_code)s
2765 887aba5ef178 SVGHMI: svghmi.c now has mutex, iterator, and read/write buffer. Edouard Tisserant parents: 2764 diff changeset	83
2789 ba0dd2ec6dc4 SVGHMI: now built. Edouard Tisserant parents: 2788 diff changeset	84	static int write_iterator(uint32_t index, hmi_tree_item_t *dsc)
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	85	{
3374 9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	86	{
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	87	uint32_t session_index = 0;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	88	int value_changed = 0;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	89	void *dest_p = NULL;
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	90	void *real_value_p = NULL;
3374 9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	91	void *visible_value_p = NULL;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	92	USINT sz = 0;
3273 08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	93	while(session_index < MAX_CONNECTIONS) {
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	94	if(dsc->wstate[session_index] == buf_set){
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	95	/* if being subscribed */
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	96	if(dsc->refresh_period_ms[session_index]){
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	97	if(dsc->age_ms[session_index] + ticktime_ms < dsc->refresh_period_ms[session_index]){
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	98	dsc->age_ms[session_index] += ticktime_ms;
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	99	}else{
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	100	dsc->wstate[session_index] = buf_tosend;
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	101	global_write_dirty = 1;
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	102	}
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	103	}
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	104	}
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	105
3374 9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	106	/* variable is sample only if just subscribed
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	107	or already subscribed and having value change */
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	108	int do_sample = 0;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	109	int just_subscribed = dsc->wstate[session_index] == buf_new;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	110	if(!just_subscribed){
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	111	int already_subscribed = dsc->refresh_period_ms[session_index] > 0;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	112	if(already_subscribed){
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	113	if(!value_changed){
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	114	if(!visible_value_p){
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	115	char flags = 0;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	116	visible_value_p = UnpackVar(dsc, &real_value_p, &flags);
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	117	if(__Is_a_string(dsc)){
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	118	sz = ((STRING*)visible_value_p)->len + 1;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	119	} else {
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	120	sz = __get_type_enum_size(dsc->type);
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	121	}
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	122	dest_p = &wbuf[dsc->buf_index];
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	123	}
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	124	value_changed = memcmp(dest_p, visible_value_p, sz) != 0;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	125	do_sample = value_changed;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	126	}else{
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	127	do_sample = 1;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	128	}
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	129	}
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	130	} else {
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	131	do_sample = 1;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	132	}
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	133
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	134
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	135	if(do_sample){
3273 08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	136	if(dsc->wstate[session_index] != buf_set && dsc->wstate[session_index] != buf_tosend) {
3374 9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	137	if(dsc->wstate[session_index] == buf_new \
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	138	\|\| ticktime_ms > dsc->refresh_period_ms[session_index]){
3273 08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	139	dsc->wstate[session_index] = buf_tosend;
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	140	global_write_dirty = 1;
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	141	} else {
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	142	dsc->wstate[session_index] = buf_set;
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	143	}
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	144	dsc->age_ms[session_index] = 0;
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	145	}
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	146	}
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	147
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	148	session_index++;
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	149	}
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	150	/* copy value if changed (and subscribed) */
08a5a019bed2 SVGHMI: finished multiclient support. Still needs more testing. Edouard Tisserant parents: 3271 diff changeset	151	if(value_changed)
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	152	memcpy(dest_p, visible_value_p, sz);
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	153	}
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	154	// else ... : PLC can't wait, variable will be updated next turn
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	155	return 0;
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	156	}
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	157
3270 38f7122ccbf9 SVGHMI: Implemented multiserver+multiclient, but only tested with single client and single server for now. To be continued... Edouard Tisserant parents: 2863 diff changeset	158	static uint32_t send_session_index;
2789 ba0dd2ec6dc4 SVGHMI: now built. Edouard Tisserant parents: 2788 diff changeset	159	static int send_iterator(uint32_t index, hmi_tree_item_t *dsc)
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	160	{
3270 38f7122ccbf9 SVGHMI: Implemented multiserver+multiclient, but only tested with single client and single server for now. To be continued... Edouard Tisserant parents: 2863 diff changeset	161	if(dsc->wstate[send_session_index] == buf_tosend)
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	162	{
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	163	uint32_t sz = __get_type_enum_size(dsc->type);
2799 f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	164	if(sbufidx + sizeof(uint32_t) + sz <= sizeof(sbuf))
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	165	{
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	166	void *src_p = &wbuf[dsc->buf_index];
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	167	void *dst_p = &sbuf[sbufidx];
2826 1e5abecc3cde SVGHMI : support for HMI_STRING and HMI_BOOL Edouard Tisserant <edouard.tisserant@gmail.com> parents: 2822 diff changeset	168	if(__Is_a_string(dsc)){
1e5abecc3cde SVGHMI : support for HMI_STRING and HMI_BOOL Edouard Tisserant <edouard.tisserant@gmail.com> parents: 2822 diff changeset	169	sz = ((STRING*)src_p)->len + 1;
1e5abecc3cde SVGHMI : support for HMI_STRING and HMI_BOOL Edouard Tisserant <edouard.tisserant@gmail.com> parents: 2822 diff changeset	170	}
2799 f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	171	/* TODO : force into little endian */
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	172	memcpy(dst_p, &index, sizeof(uint32_t));
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	173	memcpy(dst_p + sizeof(uint32_t), src_p, sz);
3270 38f7122ccbf9 SVGHMI: Implemented multiserver+multiclient, but only tested with single client and single server for now. To be continued... Edouard Tisserant parents: 2863 diff changeset	174	dsc->wstate[send_session_index] = buf_free;
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	175	sbufidx += sizeof(uint32_t) /* index */ + sz;
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	176	}
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	177	else
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	178	{
2799 f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	179	printf("BUG!!! %%d + %%ld + %%d > %%ld \n", sbufidx, sizeof(uint32_t), sz, sizeof(sbuf));
2862 a108677bd3d0 SVGHMI: whitespaces Edouard Tisserant parents: 2829 diff changeset	180	return EOVERFLOW;
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	181	}
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	182	}
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	183
2862 a108677bd3d0 SVGHMI: whitespaces Edouard Tisserant parents: 2829 diff changeset	184	return 0;
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	185	}
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	186
2789 ba0dd2ec6dc4 SVGHMI: now built. Edouard Tisserant parents: 2788 diff changeset	187	static int read_iterator(uint32_t index, hmi_tree_item_t *dsc)
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	188	{
3374 9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	189	if(dsc->rstate == buf_set)
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	190	{
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	191	void *src_p = &rbuf[dsc->buf_index];
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	192	void *real_value_p = NULL;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	193	char flags = 0;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	194	void *visible_value_p = UnpackVar(dsc, &real_value_p, &flags);
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	195	memcpy(real_value_p, src_p, __get_type_enum_size(dsc->type));
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	196	dsc->rstate = buf_free;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	197	}
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	198	return 0;
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	199	}
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	200
3270 38f7122ccbf9 SVGHMI: Implemented multiserver+multiclient, but only tested with single client and single server for now. To be continued... Edouard Tisserant parents: 2863 diff changeset	201	void update_refresh_period(hmi_tree_item_t *dsc, uint32_t session_index, uint16_t refresh_period_ms)
2768 31785529a657 SVGHMI: Intermediate state while working on svghmi.c Edouard Tisserant parents: 2767 diff changeset	202	{
2805 e521e0d133d5 SVGHMI: fixed HMI->PLC dataflow : not updates as expected, and not initialized properly after subscribe. Edouard Tisserant parents: 2802 diff changeset	203	if(refresh_period_ms) {
3270 38f7122ccbf9 SVGHMI: Implemented multiserver+multiclient, but only tested with single client and single server for now. To be continued... Edouard Tisserant parents: 2863 diff changeset	204	if(!dsc->refresh_period_ms[session_index])
38f7122ccbf9 SVGHMI: Implemented multiserver+multiclient, but only tested with single client and single server for now. To be continued... Edouard Tisserant parents: 2863 diff changeset	205	{
38f7122ccbf9 SVGHMI: Implemented multiserver+multiclient, but only tested with single client and single server for now. To be continued... Edouard Tisserant parents: 2863 diff changeset	206	dsc->wstate[session_index] = buf_new;
2863 e120d6985a2f SVGHMI: fix wrong updates of HMI variables on each change, especially when not subscribed. Edouard Tisserant parents: 2862 diff changeset	207	}
2805 e521e0d133d5 SVGHMI: fixed HMI->PLC dataflow : not updates as expected, and not initialized properly after subscribe. Edouard Tisserant parents: 2802 diff changeset	208	} else {
3270 38f7122ccbf9 SVGHMI: Implemented multiserver+multiclient, but only tested with single client and single server for now. To be continued... Edouard Tisserant parents: 2863 diff changeset	209	dsc->wstate[session_index] = buf_free;
38f7122ccbf9 SVGHMI: Implemented multiserver+multiclient, but only tested with single client and single server for now. To be continued... Edouard Tisserant parents: 2863 diff changeset	210	}
38f7122ccbf9 SVGHMI: Implemented multiserver+multiclient, but only tested with single client and single server for now. To be continued... Edouard Tisserant parents: 2863 diff changeset	211	dsc->refresh_period_ms[session_index] = refresh_period_ms;
2766 3f3b1b8ccba4 SVGHMI: Added iterators in svghmi.c copy-pasted form plc_debug.c Edouard Tisserant parents: 2765 diff changeset	212	}
3f3b1b8ccba4 SVGHMI: Added iterators in svghmi.c copy-pasted form plc_debug.c Edouard Tisserant parents: 2765 diff changeset	213
3270 38f7122ccbf9 SVGHMI: Implemented multiserver+multiclient, but only tested with single client and single server for now. To be continued... Edouard Tisserant parents: 2863 diff changeset	214	static uint32_t reset_session_index;
2789 ba0dd2ec6dc4 SVGHMI: now built. Edouard Tisserant parents: 2788 diff changeset	215	static int reset_iterator(uint32_t index, hmi_tree_item_t *dsc)
ba0dd2ec6dc4 SVGHMI: now built. Edouard Tisserant parents: 2788 diff changeset	216	{
3270 38f7122ccbf9 SVGHMI: Implemented multiserver+multiclient, but only tested with single client and single server for now. To be continued... Edouard Tisserant parents: 2863 diff changeset	217	update_refresh_period(dsc, reset_session_index, 0);
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	218	return 0;
2765 887aba5ef178 SVGHMI: svghmi.c now has mutex, iterator, and read/write buffer. Edouard Tisserant parents: 2764 diff changeset	219	}
887aba5ef178 SVGHMI: svghmi.c now has mutex, iterator, and read/write buffer. Edouard Tisserant parents: 2764 diff changeset	220
3294 e3db472b0dfb Runtime+SVGHMI: Added a generic way to wakeup non-real-time threads from real-time PLC thread. Replace SVGHMI specific calls in Linux and Xenomai implementations of plc_main.c. Fixed xenomai build, xeno-config making problems with --no-auto-init argument. Edouard Tisserant <edouard.tisserant@gmail.com> parents: 3281 diff changeset	221	static void *svghmi_handle;
e3db472b0dfb Runtime+SVGHMI: Added a generic way to wakeup non-real-time threads from real-time PLC thread. Replace SVGHMI specific calls in Linux and Xenomai implementations of plc_main.c. Fixed xenomai build, xeno-config making problems with --no-auto-init argument. Edouard Tisserant <edouard.tisserant@gmail.com> parents: 3281 diff changeset	222
e3db472b0dfb Runtime+SVGHMI: Added a generic way to wakeup non-real-time threads from real-time PLC thread. Replace SVGHMI specific calls in Linux and Xenomai implementations of plc_main.c. Fixed xenomai build, xeno-config making problems with --no-auto-init argument. Edouard Tisserant <edouard.tisserant@gmail.com> parents: 3281 diff changeset	223	void SVGHMI_SuspendFromPythonThread(void)
e3db472b0dfb Runtime+SVGHMI: Added a generic way to wakeup non-real-time threads from real-time PLC thread. Replace SVGHMI specific calls in Linux and Xenomai implementations of plc_main.c. Fixed xenomai build, xeno-config making problems with --no-auto-init argument. Edouard Tisserant <edouard.tisserant@gmail.com> parents: 3281 diff changeset	224	{
e3db472b0dfb Runtime+SVGHMI: Added a generic way to wakeup non-real-time threads from real-time PLC thread. Replace SVGHMI specific calls in Linux and Xenomai implementations of plc_main.c. Fixed xenomai build, xeno-config making problems with --no-auto-init argument. Edouard Tisserant <edouard.tisserant@gmail.com> parents: 3281 diff changeset	225	wait_RT_to_nRT_signal(svghmi_handle);
e3db472b0dfb Runtime+SVGHMI: Added a generic way to wakeup non-real-time threads from real-time PLC thread. Replace SVGHMI specific calls in Linux and Xenomai implementations of plc_main.c. Fixed xenomai build, xeno-config making problems with --no-auto-init argument. Edouard Tisserant <edouard.tisserant@gmail.com> parents: 3281 diff changeset	226	}
e3db472b0dfb Runtime+SVGHMI: Added a generic way to wakeup non-real-time threads from real-time PLC thread. Replace SVGHMI specific calls in Linux and Xenomai implementations of plc_main.c. Fixed xenomai build, xeno-config making problems with --no-auto-init argument. Edouard Tisserant <edouard.tisserant@gmail.com> parents: 3281 diff changeset	227
e3db472b0dfb Runtime+SVGHMI: Added a generic way to wakeup non-real-time threads from real-time PLC thread. Replace SVGHMI specific calls in Linux and Xenomai implementations of plc_main.c. Fixed xenomai build, xeno-config making problems with --no-auto-init argument. Edouard Tisserant <edouard.tisserant@gmail.com> parents: 3281 diff changeset	228	void SVGHMI_WakeupFromRTThread(void)
e3db472b0dfb Runtime+SVGHMI: Added a generic way to wakeup non-real-time threads from real-time PLC thread. Replace SVGHMI specific calls in Linux and Xenomai implementations of plc_main.c. Fixed xenomai build, xeno-config making problems with --no-auto-init argument. Edouard Tisserant <edouard.tisserant@gmail.com> parents: 3281 diff changeset	229	{
e3db472b0dfb Runtime+SVGHMI: Added a generic way to wakeup non-real-time threads from real-time PLC thread. Replace SVGHMI specific calls in Linux and Xenomai implementations of plc_main.c. Fixed xenomai build, xeno-config making problems with --no-auto-init argument. Edouard Tisserant <edouard.tisserant@gmail.com> parents: 3281 diff changeset	230	unblock_RT_to_nRT_signal(svghmi_handle);
e3db472b0dfb Runtime+SVGHMI: Added a generic way to wakeup non-real-time threads from real-time PLC thread. Replace SVGHMI specific calls in Linux and Xenomai implementations of plc_main.c. Fixed xenomai build, xeno-config making problems with --no-auto-init argument. Edouard Tisserant <edouard.tisserant@gmail.com> parents: 3281 diff changeset	231	}
2775 3b93409ba22c SVGHMI: WIP for python<->C data exchange Edouard Tisserant parents: 2771 diff changeset	232
3281 1fc4274de64e SVGHMI: Fixed halting problem when there is no session opened. Edouard Tisserant parents: 3273 diff changeset	233	int svghmi_continue_collect;
2776 246ae685ab65 SVGHMI: WIP for python<->C data exchange Edouard Tisserant parents: 2775 diff changeset	234
2764 b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	235	int __init_svghmi()
b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	236	{
3295 0375d801fff7 Runtime+SVGHMI: Add generic wakeup of threads from PLC thread to windows implementation of plc_main.c. Also added nRT_reschedule to abstract sched_yield. Edouard Tisserant <edouard.tisserant@gmail.com> parents: 3294 diff changeset	237	memset(rbuf,0,sizeof(rbuf));
0375d801fff7 Runtime+SVGHMI: Add generic wakeup of threads from PLC thread to windows implementation of plc_main.c. Also added nRT_reschedule to abstract sched_yield. Edouard Tisserant <edouard.tisserant@gmail.com> parents: 3294 diff changeset	238	memset(wbuf,0,sizeof(wbuf));
2819 3b99c908f43b SVGHMI: change collect/send thread looping condition to fix infinite loop in some cases Edouard Tisserant parents: 2817 diff changeset	239
3281 1fc4274de64e SVGHMI: Fixed halting problem when there is no session opened. Edouard Tisserant parents: 3273 diff changeset	240	svghmi_continue_collect = 1;
2765 887aba5ef178 SVGHMI: svghmi.c now has mutex, iterator, and read/write buffer. Edouard Tisserant parents: 2764 diff changeset	241
3294 e3db472b0dfb Runtime+SVGHMI: Added a generic way to wakeup non-real-time threads from real-time PLC thread. Replace SVGHMI specific calls in Linux and Xenomai implementations of plc_main.c. Fixed xenomai build, xeno-config making problems with --no-auto-init argument. Edouard Tisserant <edouard.tisserant@gmail.com> parents: 3281 diff changeset	242	/* create svghmi_pipe */
e3db472b0dfb Runtime+SVGHMI: Added a generic way to wakeup non-real-time threads from real-time PLC thread. Replace SVGHMI specific calls in Linux and Xenomai implementations of plc_main.c. Fixed xenomai build, xeno-config making problems with --no-auto-init argument. Edouard Tisserant <edouard.tisserant@gmail.com> parents: 3281 diff changeset	243	svghmi_handle = create_RT_to_nRT_signal("SVGHMI_pipe");
e3db472b0dfb Runtime+SVGHMI: Added a generic way to wakeup non-real-time threads from real-time PLC thread. Replace SVGHMI specific calls in Linux and Xenomai implementations of plc_main.c. Fixed xenomai build, xeno-config making problems with --no-auto-init argument. Edouard Tisserant <edouard.tisserant@gmail.com> parents: 3281 diff changeset	244
e3db472b0dfb Runtime+SVGHMI: Added a generic way to wakeup non-real-time threads from real-time PLC thread. Replace SVGHMI specific calls in Linux and Xenomai implementations of plc_main.c. Fixed xenomai build, xeno-config making problems with --no-auto-init argument. Edouard Tisserant <edouard.tisserant@gmail.com> parents: 3281 diff changeset	245	if(!svghmi_handle)
e3db472b0dfb Runtime+SVGHMI: Added a generic way to wakeup non-real-time threads from real-time PLC thread. Replace SVGHMI specific calls in Linux and Xenomai implementations of plc_main.c. Fixed xenomai build, xeno-config making problems with --no-auto-init argument. Edouard Tisserant <edouard.tisserant@gmail.com> parents: 3281 diff changeset	246	return 1;
e3db472b0dfb Runtime+SVGHMI: Added a generic way to wakeup non-real-time threads from real-time PLC thread. Replace SVGHMI specific calls in Linux and Xenomai implementations of plc_main.c. Fixed xenomai build, xeno-config making problems with --no-auto-init argument. Edouard Tisserant <edouard.tisserant@gmail.com> parents: 3281 diff changeset	247
2764 b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	248	return 0;
2750 2694170cd88e intermediate commit, work in progress Edouard Tisserant parents: diff changeset	249	}
2764 b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	250
b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	251	void __cleanup_svghmi()
b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	252	{
3281 1fc4274de64e SVGHMI: Fixed halting problem when there is no session opened. Edouard Tisserant parents: 3273 diff changeset	253	svghmi_continue_collect = 0;
2820 d9b5303d43dc SVGHMI : had to move the problem of wkaing up python thread from plc thread to platform specific code. Edouard Tisserant parents: 2819 diff changeset	254	SVGHMI_WakeupFromRTThread();
3294 e3db472b0dfb Runtime+SVGHMI: Added a generic way to wakeup non-real-time threads from real-time PLC thread. Replace SVGHMI specific calls in Linux and Xenomai implementations of plc_main.c. Fixed xenomai build, xeno-config making problems with --no-auto-init argument. Edouard Tisserant <edouard.tisserant@gmail.com> parents: 3281 diff changeset	255	delete_RT_to_nRT_signal(svghmi_handle);
2764 b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	256	}
b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	257
b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	258	void __retrieve_svghmi()
b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	259	{
3374 9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	260	if(AtomicCompareExchange(&hmitree_rlock, 0, 1) == 0) {
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	261	traverse_hmi_tree(read_iterator);
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	262	AtomicCompareExchange(&hmitree_rlock, 1, 0);
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	263	}
2764 b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	264	}
b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	265
b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	266	void __publish_svghmi()
b75cc2cf4e50 SVGHMI: draft for svghmi.c. It has all PLC variables pointed in HMI tree in an array. Edouard Tisserant parents: 2754 diff changeset	267	{
2768 31785529a657 SVGHMI: Intermediate state while working on svghmi.c Edouard Tisserant parents: 2767 diff changeset	268	global_write_dirty = 0;
3374 9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	269	if(AtomicCompareExchange(&hmitree_wlock, 0, 1) == 0) {
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	270	traverse_hmi_tree(write_iterator);
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	271	AtomicCompareExchange(&hmitree_wlock, 1, 0);
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	272	}
2768 31785529a657 SVGHMI: Intermediate state while working on svghmi.c Edouard Tisserant parents: 2767 diff changeset	273	if(global_write_dirty) {
2820 d9b5303d43dc SVGHMI : had to move the problem of wkaing up python thread from plc thread to platform specific code. Edouard Tisserant parents: 2819 diff changeset	274	SVGHMI_WakeupFromRTThread();
2775 3b93409ba22c SVGHMI: WIP for python<->C data exchange Edouard Tisserant parents: 2771 diff changeset	275	}
3b93409ba22c SVGHMI: WIP for python<->C data exchange Edouard Tisserant parents: 2771 diff changeset	276	}
3b93409ba22c SVGHMI: WIP for python<->C data exchange Edouard Tisserant parents: 2771 diff changeset	277
3b93409ba22c SVGHMI: WIP for python<->C data exchange Edouard Tisserant parents: 2771 diff changeset	278	/* PYTHON CALLS */
3271 561dbd1e3e04 SVGHMI: Fixing last commit's multiclient implementation, in case of watchdog. To be continued, since multiclient still fail... Edouard Tisserant parents: 3270 diff changeset	279	int svghmi_wait(void){
561dbd1e3e04 SVGHMI: Fixing last commit's multiclient implementation, in case of watchdog. To be continued, since multiclient still fail... Edouard Tisserant parents: 3270 diff changeset	280
561dbd1e3e04 SVGHMI: Fixing last commit's multiclient implementation, in case of watchdog. To be continued, since multiclient still fail... Edouard Tisserant parents: 3270 diff changeset	281	SVGHMI_SuspendFromPythonThread();
561dbd1e3e04 SVGHMI: Fixing last commit's multiclient implementation, in case of watchdog. To be continued, since multiclient still fail... Edouard Tisserant parents: 3270 diff changeset	282	}
561dbd1e3e04 SVGHMI: Fixing last commit's multiclient implementation, in case of watchdog. To be continued, since multiclient still fail... Edouard Tisserant parents: 3270 diff changeset	283
3270 38f7122ccbf9 SVGHMI: Implemented multiserver+multiclient, but only tested with single client and single server for now. To be continued... Edouard Tisserant parents: 2863 diff changeset	284	int svghmi_send_collect(uint32_t session_index, uint32_t size, char *ptr){
2775 3b93409ba22c SVGHMI: WIP for python<->C data exchange Edouard Tisserant parents: 2771 diff changeset	285
3281 1fc4274de64e SVGHMI: Fixed halting problem when there is no session opened. Edouard Tisserant parents: 3273 diff changeset	286	if(svghmi_continue_collect) {
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	287	int res;
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	288	sbufidx = HMI_HASH_SIZE;
3270 38f7122ccbf9 SVGHMI: Implemented multiserver+multiclient, but only tested with single client and single server for now. To be continued... Edouard Tisserant parents: 2863 diff changeset	289	send_session_index = session_index;
3374 9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	290
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	291	while(AtomicCompareExchange(&hmitree_wlock, 0, 1)){
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	292	nRT_reschedule();
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	293	}
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	294
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	295	if((res = traverse_hmi_tree(send_iterator)) == 0)
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	296	{
2799 f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	297	if(sbufidx > HMI_HASH_SIZE){
f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	298	memcpy(&sbuf[0], &hmi_hash[0], HMI_HASH_SIZE);
f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	299	*ptr = &sbuf[0];
f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	300	*size = sbufidx;
3374 9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	301	AtomicCompareExchange(&hmitree_wlock, 1, 0);
2799 f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	302	return 0;
f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	303	}
3374 9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	304	AtomicCompareExchange(&hmitree_wlock, 1, 0);
2799 f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	305	return ENODATA;
f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	306	}
f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	307	// printf("collected BAD result %%d\n", res);
3374 9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	308	AtomicCompareExchange(&hmitree_wlock, 1, 0);
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	309	return res;
2775 3b93409ba22c SVGHMI: WIP for python<->C data exchange Edouard Tisserant parents: 2771 diff changeset	310	}
3b93409ba22c SVGHMI: WIP for python<->C data exchange Edouard Tisserant parents: 2771 diff changeset	311	else
3b93409ba22c SVGHMI: WIP for python<->C data exchange Edouard Tisserant parents: 2771 diff changeset	312	{
3b93409ba22c SVGHMI: WIP for python<->C data exchange Edouard Tisserant parents: 2771 diff changeset	313	return EINTR;
3b93409ba22c SVGHMI: WIP for python<->C data exchange Edouard Tisserant parents: 2771 diff changeset	314	}
3b93409ba22c SVGHMI: WIP for python<->C data exchange Edouard Tisserant parents: 2771 diff changeset	315	}
3b93409ba22c SVGHMI: WIP for python<->C data exchange Edouard Tisserant parents: 2771 diff changeset	316
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	317	typedef enum {
3374 9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	318	unset = -1,
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	319	setval = 0,
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	320	reset = 1,
2798 ddb2c4668a6b SVGHMI : many details about communication implemented in JS, with side effects. Edouard Tisserant parents: 2789 diff changeset	321	subscribe = 2
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	322	} cmd_from_JS;
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	323
3271 561dbd1e3e04 SVGHMI: Fixing last commit's multiclient implementation, in case of watchdog. To be continued, since multiclient still fail... Edouard Tisserant parents: 3270 diff changeset	324	int svghmi_reset(uint32_t session_index){
561dbd1e3e04 SVGHMI: Fixing last commit's multiclient implementation, in case of watchdog. To be continued, since multiclient still fail... Edouard Tisserant parents: 3270 diff changeset	325	reset_session_index = session_index;
561dbd1e3e04 SVGHMI: Fixing last commit's multiclient implementation, in case of watchdog. To be continued, since multiclient still fail... Edouard Tisserant parents: 3270 diff changeset	326	traverse_hmi_tree(reset_iterator);
561dbd1e3e04 SVGHMI: Fixing last commit's multiclient implementation, in case of watchdog. To be continued, since multiclient still fail... Edouard Tisserant parents: 3270 diff changeset	327	return 1;
561dbd1e3e04 SVGHMI: Fixing last commit's multiclient implementation, in case of watchdog. To be continued, since multiclient still fail... Edouard Tisserant parents: 3270 diff changeset	328	}
561dbd1e3e04 SVGHMI: Fixing last commit's multiclient implementation, in case of watchdog. To be continued, since multiclient still fail... Edouard Tisserant parents: 3270 diff changeset	329
2822 9101a72a1da0 SVGHMI: added a watchdog. To ensure that the whole chain is checked, watchdog use a periodic echo of a hearteat variable. JS client code systematically register /HEARTBEAT at 1s update freq, and reacts on updates of /HEARTBEAT by systematically incrementing it. C code catch /HEARTBEAT update and feeds python-implemented watchdog. For now, watchdog does nothing when tiggered Edouard Tisserant parents: 2820 diff changeset	330	// Returns :
9101a72a1da0 SVGHMI: added a watchdog. To ensure that the whole chain is checked, watchdog use a periodic echo of a hearteat variable. JS client code systematically register /HEARTBEAT at 1s update freq, and reacts on updates of /HEARTBEAT by systematically incrementing it. C code catch /HEARTBEAT update and feeds python-implemented watchdog. For now, watchdog does nothing when tiggered Edouard Tisserant parents: 2820 diff changeset	331	// 0 is OK, <0 is error, 1 is heartbeat
3270 38f7122ccbf9 SVGHMI: Implemented multiserver+multiclient, but only tested with single client and single server for now. To be continued... Edouard Tisserant parents: 2863 diff changeset	332	int svghmi_recv_dispatch(uint32_t session_index, uint32_t size, const uint8_t *ptr){
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	333	const uint8_t* cursor = ptr + HMI_HASH_SIZE;
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	334	const uint8_t* end = ptr + size;
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	335
2822 9101a72a1da0 SVGHMI: added a watchdog. To ensure that the whole chain is checked, watchdog use a periodic echo of a hearteat variable. JS client code systematically register /HEARTBEAT at 1s update freq, and reacts on updates of /HEARTBEAT by systematically incrementing it. C code catch /HEARTBEAT update and feeds python-implemented watchdog. For now, watchdog does nothing when tiggered Edouard Tisserant parents: 2820 diff changeset	336	int was_hearbeat = 0;
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	337
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	338	/* match hmitree fingerprint */
2789 ba0dd2ec6dc4 SVGHMI: now built. Edouard Tisserant parents: 2788 diff changeset	339	if(size <= HMI_HASH_SIZE \|\| memcmp(ptr, hmi_hash, HMI_HASH_SIZE) != 0)
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	340	{
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	341	printf("svghmi_recv_dispatch MISMATCH !!\n");
2822 9101a72a1da0 SVGHMI: added a watchdog. To ensure that the whole chain is checked, watchdog use a periodic echo of a hearteat variable. JS client code systematically register /HEARTBEAT at 1s update freq, and reacts on updates of /HEARTBEAT by systematically incrementing it. C code catch /HEARTBEAT update and feeds python-implemented watchdog. For now, watchdog does nothing when tiggered Edouard Tisserant parents: 2820 diff changeset	342	return -EINVAL;
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	343	}
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	344
3374 9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	345	int ret;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	346	int got_wlock = 0;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	347	int got_rlock = 0;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	348	cmd_from_JS cmd_old = unset;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	349	cmd_from_JS cmd = unset;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	350
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	351	while(cursor < end)
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	352	{
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	353	uint32_t progress;
3374 9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	354
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	355	cmd_old = cmd;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	356	cmd = *(cursor++);
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	357
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	358	if(cmd_old != cmd){
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	359	if(got_wlock){
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	360	AtomicCompareExchange(&hmitree_wlock, 1, 0);
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	361	got_wlock = 0;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	362	}
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	363	if(got_rlock){
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	364	AtomicCompareExchange(&hmitree_rlock, 1, 0);
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	365	got_rlock = 0;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	366	}
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	367	}
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	368	switch(cmd)
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	369	{
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	370	case setval:
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	371	{
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	372	uint32_t index = (uint32_t)(cursor);
2789 ba0dd2ec6dc4 SVGHMI: now built. Edouard Tisserant parents: 2788 diff changeset	373	uint8_t const *valptr = cursor + sizeof(uint32_t);
2862 a108677bd3d0 SVGHMI: whitespaces Edouard Tisserant parents: 2829 diff changeset	374
2822 9101a72a1da0 SVGHMI: added a watchdog. To ensure that the whole chain is checked, watchdog use a periodic echo of a hearteat variable. JS client code systematically register /HEARTBEAT at 1s update freq, and reacts on updates of /HEARTBEAT by systematically incrementing it. C code catch /HEARTBEAT update and feeds python-implemented watchdog. For now, watchdog does nothing when tiggered Edouard Tisserant parents: 2820 diff changeset	375	if(index == heartbeat_index)
9101a72a1da0 SVGHMI: added a watchdog. To ensure that the whole chain is checked, watchdog use a periodic echo of a hearteat variable. JS client code systematically register /HEARTBEAT at 1s update freq, and reacts on updates of /HEARTBEAT by systematically incrementing it. C code catch /HEARTBEAT update and feeds python-implemented watchdog. For now, watchdog does nothing when tiggered Edouard Tisserant parents: 2820 diff changeset	376	was_hearbeat = 1;
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	377
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	378	if(index < HMI_ITEM_COUNT)
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	379	{
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	380	hmi_tree_item_t *dsc = &hmi_tree_item[index];
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	381	void *real_value_p = NULL;
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	382	char flags = 0;
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	383	void *visible_value_p = UnpackVar(dsc, &real_value_p, &flags);
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	384	void *dst_p = &rbuf[dsc->buf_index];
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	385	uint32_t sz = __get_type_enum_size(dsc->type);
2829 4c2c50f60730 SVGHMI : HMI_STRING now also supported from HMI to PLC Edouard Tisserant parents: 2828 diff changeset	386
4c2c50f60730 SVGHMI : HMI_STRING now also supported from HMI to PLC Edouard Tisserant parents: 2828 diff changeset	387	if(__Is_a_string(dsc)){
4c2c50f60730 SVGHMI : HMI_STRING now also supported from HMI to PLC Edouard Tisserant parents: 2828 diff changeset	388	sz = ((STRING*)valptr)->len + 1;
4c2c50f60730 SVGHMI : HMI_STRING now also supported from HMI to PLC Edouard Tisserant parents: 2828 diff changeset	389	}
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	390
2802 64e6f73b9859 SVGHMI - Fixed svghmi.{c,js} about HMI -> PLC data unpack. Edouard Tisserant parents: 2799 diff changeset	391	if((valptr + sz) <= end)
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	392	{
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	393	// rescheduling spinlock until free
3374 9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	394	if(!got_rlock){
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	395	while(AtomicCompareExchange(&hmitree_rlock, 0, 1)){
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	396	nRT_reschedule();
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	397	}
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	398	got_rlock=1;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	399	}
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	400
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	401	memcpy(dst_p, valptr, sz);
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	402	dsc->rstate = buf_set;
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	403
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	404	progress = sz + sizeof(uint32_t) /* index */;
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	405	}
2862 a108677bd3d0 SVGHMI: whitespaces Edouard Tisserant parents: 2829 diff changeset	406	else
2799 f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	407	{
3374 9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	408	ret = -EINVAL;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	409	goto exit_free;
2799 f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	410	}
f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	411	}
2862 a108677bd3d0 SVGHMI: whitespaces Edouard Tisserant parents: 2829 diff changeset	412	else
2799 f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	413	{
3374 9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	414	ret = -EINVAL;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	415	goto exit_free;
2799 f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	416	}
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	417	}
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	418	break;
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	419
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	420	case reset:
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	421	{
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	422	progress = 0;
3270 38f7122ccbf9 SVGHMI: Implemented multiserver+multiclient, but only tested with single client and single server for now. To be continued... Edouard Tisserant parents: 2863 diff changeset	423	reset_session_index = session_index;
3374 9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	424	if(!got_wlock){
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	425	while(AtomicCompareExchange(&hmitree_wlock, 0, 1)){
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	426	nRT_reschedule();
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	427	}
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	428	got_wlock = 1;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	429	}
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	430	traverse_hmi_tree(reset_iterator);
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	431	}
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	432	break;
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	433
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	434	case subscribe:
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	435	{
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	436	uint32_t index = (uint32_t)(cursor);
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	437	uint16_t refresh_period_ms = (uint32_t)(cursor + sizeof(uint32_t));
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	438
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	439	if(index < HMI_ITEM_COUNT)
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	440	{
3374 9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	441	if(!got_wlock){
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	442	while(AtomicCompareExchange(&hmitree_wlock, 0, 1)){
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	443	nRT_reschedule();
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	444	}
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	445	got_wlock = 1;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	446	}
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	447	hmi_tree_item_t *dsc = &hmi_tree_item[index];
3270 38f7122ccbf9 SVGHMI: Implemented multiserver+multiclient, but only tested with single client and single server for now. To be continued... Edouard Tisserant parents: 2863 diff changeset	448	update_refresh_period(dsc, session_index, refresh_period_ms);
2799 f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	449	}
2862 a108677bd3d0 SVGHMI: whitespaces Edouard Tisserant parents: 2829 diff changeset	450	else
2799 f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	451	{
3374 9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	452	ret = -EINVAL;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	453	goto exit_free;
2799 f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	454	}
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	455
2862 a108677bd3d0 SVGHMI: whitespaces Edouard Tisserant parents: 2829 diff changeset	456	progress = sizeof(uint32_t) /* index */ +
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	457	sizeof(uint16_t) /* refresh period */;
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	458	}
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	459	break;
2799 f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	460	default:
f5da343b9b63 SVGHMI: Many fixes. Subscriptions to HMItree seems to be working, and dispatch function is called in JS with good data. Bidirectional communication now really working. Edouard Tisserant parents: 2798 diff changeset	461	printf("svghmi_recv_dispatch unknown %%d\n",cmd);
2788 2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	462
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	463	}
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	464	cursor += progress;
2ed9ff826d03 SVGHMI: Work in progress. C side mostly implemented, neither built nor tested. Edouard Tisserant parents: 2779 diff changeset	465	}
3374 9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	466	ret = was_hearbeat;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	467
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	468	exit_free:
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	469	if(got_wlock){
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	470	AtomicCompareExchange(&hmitree_wlock, 1, 0);
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	471	got_wlock = 0;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	472	}
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	473	if(got_rlock){
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	474	AtomicCompareExchange(&hmitree_rlock, 1, 0);
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	475	got_rlock = 0;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	476	}
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	477	return ret;
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	478	}
9a82918e063c SVGHMI: optimize HMI tree handling C code to lower CPU usage when traversing large trees Edouard Tisserant parents: 3295 diff changeset	479

author	Edouard Tisserant
	Thu, 04 Nov 2021 12:03:43 +0100
changeset 3383	a3b8cfd89648
parent 3374	9a82918e063c
child 3397	75920c99ffc9
permissions	-rw-r--r--