# HG changeset patch
# User Florian Pose <fp@igh-essen.com>
# Date 1153326996 0
# Node ID b7e7709fd40e1bf071296335341f87dc8390d8ef
# Parent  42e69cf3149542be5e1f9ba8d2358df477a46bcd
Better slave scan sub state machine.

diff -r 42e69cf31495 -r b7e7709fd40e master/fsm.c
--- a/master/fsm.c	Wed Jul 19 16:18:51 2006 +0000
+++ b/master/fsm.c	Wed Jul 19 16:36:36 2006 +0000
@@ -55,12 +55,12 @@
 void ec_fsm_master_write_eeprom(ec_fsm_t *);
 
 void ec_fsm_slavescan_start(ec_fsm_t *);
+void ec_fsm_slavescan_address(ec_fsm_t *);
 void ec_fsm_slavescan_state(ec_fsm_t *);
 void ec_fsm_slavescan_base(ec_fsm_t *);
 void ec_fsm_slavescan_datalink(ec_fsm_t *);
 void ec_fsm_slavescan_eeprom_size(ec_fsm_t *);
 void ec_fsm_slavescan_eeprom_data(ec_fsm_t *);
-void ec_fsm_slavescan_eeprom_data2(ec_fsm_t *);
 void ec_fsm_slavescan_end(ec_fsm_t *);
 
 void ec_fsm_slaveconf_init(ec_fsm_t *);
@@ -765,16 +765,16 @@
     ec_datagram_apwr(datagram, fsm->slave->ring_position, 0x0010, 2);
     EC_WRITE_U16(datagram->data, fsm->slave->station_address);
     ec_master_queue_datagram(fsm->master, datagram);
-    fsm->slave_state = ec_fsm_slavescan_state;
-}
-
-/*****************************************************************************/
-
-/**
-   Slave state: READ_STATUS.
-*/
-
-void ec_fsm_slavescan_state(ec_fsm_t *fsm /**< finite state machine */)
+    fsm->slave_state = ec_fsm_slavescan_address;
+}
+
+/*****************************************************************************/
+
+/**
+   Slave state: ADDRESS.
+*/
+
+void ec_fsm_slavescan_address(ec_fsm_t *fsm /**< finite state machine */)
 {
     ec_datagram_t *datagram = &fsm->datagram;
 
@@ -789,16 +789,16 @@
     // Read AL state
     ec_datagram_nprd(datagram, fsm->slave->station_address, 0x0130, 2);
     ec_master_queue_datagram(fsm->master, datagram);
-    fsm->slave_state = ec_fsm_slavescan_base;
-}
-
-/*****************************************************************************/
-
-/**
-   Slave state: READ_BASE.
-*/
-
-void ec_fsm_slavescan_base(ec_fsm_t *fsm /**< finite state machine */)
+    fsm->slave_state = ec_fsm_slavescan_state;
+}
+
+/*****************************************************************************/
+
+/**
+   Slave state: STATE.
+*/
+
+void ec_fsm_slavescan_state(ec_fsm_t *fsm /**< finite state machine */)
 {
     ec_datagram_t *datagram = &fsm->datagram;
     ec_slave_t *slave = fsm->slave;
@@ -821,16 +821,16 @@
     // read base data
     ec_datagram_nprd(datagram, fsm->slave->station_address, 0x0000, 6);
     ec_master_queue_datagram(fsm->master, datagram);
-    fsm->slave_state = ec_fsm_slavescan_datalink;
-}
-
-/*****************************************************************************/
-
-/**
-   Slave state: READ_DL.
-*/
-
-void ec_fsm_slavescan_datalink(ec_fsm_t *fsm /**< finite state machine */)
+    fsm->slave_state = ec_fsm_slavescan_base;
+}
+
+/*****************************************************************************/
+
+/**
+   Slave state: BASE.
+*/
+
+void ec_fsm_slavescan_base(ec_fsm_t *fsm /**< finite state machine */)
 {
     ec_datagram_t *datagram = &fsm->datagram;
     ec_slave_t *slave = fsm->slave;
@@ -855,17 +855,16 @@
     // read data link status
     ec_datagram_nprd(datagram, slave->station_address, 0x0110, 2);
     ec_master_queue_datagram(slave->master, datagram);
-    fsm->slave_state = ec_fsm_slavescan_eeprom_size;
-}
-
-/*****************************************************************************/
-
-/**
-   Slave state: EEPROM_SIZE.
-   Read the actual size of the EEPROM to allocate the EEPROM image.
-*/
-
-void ec_fsm_slavescan_eeprom_size(ec_fsm_t *fsm /**< finite state machine */)
+    fsm->slave_state = ec_fsm_slavescan_datalink;
+}
+
+/*****************************************************************************/
+
+/**
+   Slave state: DATALINK.
+*/
+
+void ec_fsm_slavescan_datalink(ec_fsm_t *fsm /**< finite state machine */)
 {
     ec_datagram_t *datagram = &fsm->datagram;
     ec_slave_t *slave = fsm->slave;
@@ -892,17 +891,17 @@
     fsm->sii_offset = 0x0040; // first category header
     fsm->sii_mode = 1;
     fsm->sii_state = ec_fsm_sii_start_reading;
-    fsm->slave_state = ec_fsm_slavescan_eeprom_data;
+    fsm->slave_state = ec_fsm_slavescan_eeprom_size;
     fsm->slave_state(fsm); // execute state immediately
 }
 
 /*****************************************************************************/
 
 /**
-   Slave state: FETCH_EEPROM.
-*/
-
-void ec_fsm_slavescan_eeprom_data(ec_fsm_t *fsm /**< finite state machine */)
+   Slave state: EEPROM_SIZE.
+*/
+
+void ec_fsm_slavescan_eeprom_size(ec_fsm_t *fsm /**< finite state machine */)
 {
     ec_slave_t *slave = fsm->slave;
     uint16_t cat_type, cat_size;
@@ -952,17 +951,17 @@
     fsm->sii_offset = 0x0000;
     fsm->sii_mode = 1;
     fsm->sii_state = ec_fsm_sii_start_reading;
-    fsm->slave_state = ec_fsm_slavescan_eeprom_data2;
+    fsm->slave_state = ec_fsm_slavescan_eeprom_data;
     fsm->slave_state(fsm); // execute state immediately
 }
 
 /*****************************************************************************/
 
 /**
-   Slave state: FETCH_EEPROM2.
-*/
-
-void ec_fsm_slavescan_eeprom_data2(ec_fsm_t *fsm /**< finite state machine */)
+   Slave state: EEPROM_DATA.
+*/
+
+void ec_fsm_slavescan_eeprom_data(ec_fsm_t *fsm /**< finite state machine */)
 {
     ec_slave_t *slave = fsm->slave;
     uint16_t *cat_word, cat_type, cat_size;
@@ -1060,6 +1059,8 @@
         cat_word += cat_size + 2;
     }
 
+    fsm->slave_state = ec_fsm_slavescan_end;
+
 end:
     fsm->slave->error_flag = 1;
     fsm->slave_state = ec_fsm_slavescan_end;