etisserant@0: /*
etisserant@0: This file is part of CanFestival, a library implementing CanOpen Stack.
etisserant@0: 
etisserant@0:  Author: CANopen Canada (canfestival@canopencanada.ca)
etisserant@0: 
etisserant@0: See COPYING file for copyrights details.
etisserant@0: 
etisserant@0: This library is free software; you can redistribute it and/or
etisserant@0: modify it under the terms of the GNU Lesser General Public
etisserant@0: License as published by the Free Software Foundation; either
etisserant@0: version 2.1 of the License, or (at your option) any later version.
etisserant@0: 
etisserant@0: This library is distributed in the hope that it will be useful,
etisserant@0: but WITHOUT ANY WARRANTY; without even the implied warranty of
etisserant@0: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
etisserant@0: Lesser General Public License for more details.
etisserant@0: 
etisserant@0: You should have received a copy of the GNU Lesser General Public
etisserant@0: License along with this library; if not, write to the Free Software
etisserant@0: Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
etisserant@0: 
etisserant@0: 	DS-303-3
etisserant@0: 	LED implementation
etisserant@0: */
etisserant@0: 
etisserant@0: #include <stdlib.h>
etisserant@0: #include <string.h>
etisserant@0: 
etisserant@0: #include <sys/time.h>
etisserant@0: #include <signal.h>
etisserant@0: 
etisserant@0: #include <applicfg.h>
etisserant@0: 
etisserant@0: #include <data.h>
etisserant@0: #include <can_driver.h>
etisserant@0: 
etisserant@0: #include "led.h"
etisserant@0: 
etisserant@0: 
etisserant@0: void led_start_timer(CO_Data *, UNS32 t0);
etisserant@0: void led_stop_timer(void);
etisserant@0: void led_set_green(UNS8 on);
etisserant@0: void led_set_red(UNS8 on);
etisserant@0: void led_callback(CO_Data* d, UNS32 id);
etisserant@0: 
etisserant@0: 
etisserant@0: // 0 = always off, 1 = always on, 2 = flashing
etisserant@0: static UNS8 led_state_red, led_state_green; 
etisserant@0: 
etisserant@0: static UNS16 led_sequence_red, led_seq_index_red;
etisserant@0: static UNS16 led_sequence_green, led_seq_index_green;
etisserant@0: 
etisserant@0: static UNS8 led_error_code = LED_NO_ERROR;
etisserant@0: 
etisserant@0: const char *led_sequence_table[6] = // up and downs of the sequence
etisserant@0: {
etisserant@0: 	"01",           // flickering
etisserant@0: 	"01",           // blinking
etisserant@0: 	"100000",       // single flash
etisserant@0: 	"10100000",     // double flash
etisserant@0: 	"1010100000",   // triple flash
etisserant@0: 	"101010100000"  // quadruple flash
etisserant@0: };
etisserant@0: 
etisserant@0: 
etisserant@0: void led_set_state(CO_Data *d, int state)
etisserant@0: {
etisserant@0: 	switch(state)
etisserant@0: 	{
etisserant@0: 		case Initialisation:
etisserant@0: /*
etisserant@0: 	must create a timer for the leds with the scheduler
etisserant@0: */
etisserant@0: 			break;
etisserant@0: 		case LED_AUTOBITRATE:
etisserant@0: 			led_state_green = 2;
etisserant@0: 			led_sequence_green = 0;
etisserant@0: 			break;
etisserant@0: 		case Pre_operational:
etisserant@0: 			led_state_green = 2;
etisserant@0: 			led_sequence_green = 1;
etisserant@0: 			break;
etisserant@0: 		case Stopped:
etisserant@0: 			led_state_green = 2;
etisserant@0: 			led_sequence_green = 2;
etisserant@0: 			break;
etisserant@0: 		case LED_PRG_DOWNLOAD:
etisserant@0: 			led_state_green = 2;
etisserant@0: 			led_sequence_green = 4;
etisserant@0: 			break;
etisserant@0: 		case Operational:
etisserant@0: 			led_state_green = 1;
etisserant@0: 			break;
etisserant@0: 	}
etisserant@0: 
etisserant@0: 	if (state == LED_AUTOBITRATE)
etisserant@0: 		led_start_timer(d, 50);
etisserant@0: 
etisserant@0: 	else if (led_state_green < 2  &&  led_state_red < 2)
etisserant@0: 	{
etisserant@0: 		led_stop_timer();
etisserant@0: 
etisserant@0: 		led_set_green(led_state_green);
etisserant@0: 		led_set_red(led_state_red);
etisserant@0: 	}
etisserant@0: 
etisserant@0: 	else
etisserant@0: 		led_start_timer(d, 200);
etisserant@0: }
etisserant@0: 
etisserant@0: 
etisserant@0: void led_set_error(CO_Data *d, UNS8 error)
etisserant@0: {
etisserant@0: 	if (error == LED_NO_ERROR)
etisserant@0: 	{
etisserant@0: 		led_error_code = error;
etisserant@0: 
etisserant@0: 		led_state_green = 0;
etisserant@0: 	}
etisserant@0: 
etisserant@0: 	else if (error == LED_AUTOBITRATE)
etisserant@0: 	{
etisserant@0: 		led_error_code = error;
etisserant@0: 
etisserant@0: 		led_state_red = 2;
etisserant@0: 		led_sequence_red = 0;
etisserant@0: 
etisserant@0: 		led_start_timer(d, 50);
etisserant@0: 	}
etisserant@0: 
etisserant@0: 	else if (error > led_error_code)
etisserant@0: 	{
etisserant@0: 		led_error_code = error;
etisserant@0: 
etisserant@0: 		if (error & LED_INVALID_CONFIG)
etisserant@0: 		{
etisserant@0: 			led_state_red = 2;
etisserant@0: 			led_sequence_red = 1;
etisserant@0: 		}
etisserant@0: 		
etisserant@0: 		else if (error & LED_WARNING_LIMIT_REACH)
etisserant@0: 		{
etisserant@0: 			led_state_red = 2;
etisserant@0: 			led_sequence_red = 2;
etisserant@0: 		}
etisserant@0: 
etisserant@0: 		else if (error & LED_ERROR_CTRL_EVENT)
etisserant@0: 		{
etisserant@0: 			led_state_red = 2;
etisserant@0: 			led_sequence_red = 3;
etisserant@0: 		}
etisserant@0: 
etisserant@0: 		else if (error & LED_SYNC_ERROR)
etisserant@0: 		{
etisserant@0: 			led_state_red = 2;
etisserant@0: 			led_sequence_red = 4;
etisserant@0: 		}
etisserant@0: 
etisserant@0: 		else if (error & LED_EVENT_TIMER_ERROR)
etisserant@0: 		{
etisserant@0: 			led_state_red = 2;
etisserant@0: 			led_sequence_green = 5;
etisserant@0: 		}
etisserant@0: 
etisserant@0: 		else if (error & LED_BUS_OFF)
etisserant@0: 		{
etisserant@0: 			led_state_green = 1;
etisserant@0: 		}
etisserant@0: 
etisserant@0: 		led_start_timer(d, 200);
etisserant@0: 		led_set_red(led_state_red);
etisserant@0: 	}
etisserant@0: 
etisserant@0: 	if (led_state_green < 2  &&  led_state_red < 2)
etisserant@0: 	{
etisserant@0: 		led_stop_timer();
etisserant@0: 
etisserant@0: 		led_set_green(led_state_green);
etisserant@0: 		led_set_red(led_state_red);
etisserant@0: 	}
etisserant@0: }
etisserant@0: 
etisserant@0: 
etisserant@0: void led_start_timer(CO_Data* d, UNS32 tm)
etisserant@0: {
etisserant@0: 	SetAlarm(d, 0, &led_callback, MS_TO_TIMEVAL(tm), MS_TO_TIMEVAL(tm));
etisserant@0: 
etisserant@0: 	led_seq_index_red = 0;
etisserant@0: 	led_seq_index_green = 0;
etisserant@0: }
etisserant@0: 
etisserant@0: 
etisserant@0: void led_stop_timer(void)
etisserant@0: {
etisserant@0: }
etisserant@0: 
etisserant@0: 
etisserant@0: void led_callback(CO_Data *d, UNS32 id)
etisserant@0: {
etisserant@0: 	unsigned char bits = 0;
etisserant@0: 
etisserant@0: 	// RED LED
etisserant@0: 	if (led_sequence_table[led_sequence_red][led_seq_index_red] == '1')
etisserant@0: 	{
etisserant@0: 		if (led_state_red > 0)
etisserant@0: 			bits = 1;
etisserant@0: 			/* led_set_red(1); */
etisserant@0: 	}
etisserant@0: 	else	
etisserant@0: 	{	
etisserant@0: 		/*if (led_state_red != 1)
etisserant@0: 			led_set_red(0);*/
etisserant@0: 	}
etisserant@0: 
etisserant@0: 	led_seq_index_red++;
etisserant@0: 	if (led_seq_index_red > strlen(led_sequence_table[led_sequence_red]))
etisserant@0: 		led_seq_index_red = 0;
etisserant@0: 
etisserant@0: 	// GREEN LED
etisserant@0: 	if (led_sequence_table[led_sequence_green][led_seq_index_green] == '1')
etisserant@0: 	{
etisserant@0: 		if (led_state_green > 0)
etisserant@0: 			bits = bits | 2;
etisserant@0: 			/* led_set_green(1); */
etisserant@0: 	}
etisserant@0: 	else	
etisserant@0: 	{	
etisserant@0: 		/* if (led_state_green != 1)
etisserant@0: 			led_set_green(0); */
etisserant@0: 	}
etisserant@0: 
etisserant@0: 	led_seq_index_green++;
etisserant@0: 	if (led_seq_index_green > strlen(led_sequence_table[led_sequence_green]))
etisserant@0: 		led_seq_index_green = 0;
etisserant@0: 
etisserant@0: 	led_set_redgreen(bits);
etisserant@0: }
etisserant@0: 
etisserant@0: 
etisserant@0: 
etisserant@0: 
etisserant@0: 
etisserant@0: /*
etisserant@0: char state(state);
etisserant@0: 
etisserant@0: 
etisserant@0: Input function to set all the bihaviour indicator
etisserant@0: typical state are:
etisserant@0: 	NoError
etisserant@0: 		RedLED=off
etisserant@0: 	AutoBitRate_LSS
etisserant@0: 		RedLED=flickering
etisserant@0: 		GreenLED=flickering
etisserant@0: 	InvalidConfiguration
etisserant@0: 		RedLED=blinking
etisserant@0: 	WarningLimitReached
etisserant@0: 		RedLED=singleflash
etisserant@0: 	ErrorControlEvent
etisserant@0: 		RedLED=doubleflash
etisserant@0: 	SyncError
etisserant@0: 		RedLED=tripleflash
etisserant@0: 	EventTimerError
etisserant@0: 		RedLED=quadrupleflash
etisserant@0: 	BusOFF
etisserant@0: 		RedLED=on
etisserant@0: 	PRE_OPERATIONAL	
etisserant@0: 		GreenLED=blinking
etisserant@0: 	STOPPED
etisserant@0: 		GreenLED=singleflash
etisserant@0: 	Programm_Firmware_download
etisserant@0: 		GreenLED=tripleflash
etisserant@0: 	OPERATIONNAL
etisserant@0: 		GreenLED=on
etisserant@0: */
etisserant@0: 
etisserant@0: /*
etisserant@0: case LEDbihaviour:
etisserant@0: 	on
etisserant@0: 
etisserant@0: 	flickeringerror
etisserant@0: 		RedLED(on)
etisserant@0: 		RedLED(off)
etisserant@0: 	flickeringerror
etisserant@0: 		GreenLED(off)
etisserant@0: 		GreenLED(on)
etisserant@0: 	blinking
etisserant@0: 
etisserant@0: 	singleflash
etisserant@0: 
etisserant@0: 	doubleflash
etisserant@0: 
etisserant@0: 	tripleflash
etisserant@0: 
etisserant@0: 	quadrupleflash
etisserant@0: 
etisserant@0: 	off
etisserant@0: */
etisserant@0: 
etisserant@0: /*
etisserant@0: char  LED(bitLEDs);
etisserant@0: */
etisserant@0: 
etisserant@0: /*
etisserant@0: Output function to call the driver.
etisserant@0: 	if bit=0, then turn LED Off
etisserant@0: 	if bit=1, then turn LED On
etisserant@0: 
etisserant@0: bit#	color		name
etisserant@0: 0	red		error/status
etisserant@0: 1	green		run/status
etisserant@0: 2
etisserant@0: 3
etisserant@0: 4
etisserant@0: 5
etisserant@0: 6	
etisserant@0: 7
etisserant@0: */
etisserant@0: