From d134ebec2b8e18674e09367a68d7e494d85fff21 Mon Sep 17 00:00:00 2001
From: gitknilch <gitknilch@cwde.de>
Date: Wed, 16 Mar 2011 22:26:32 +0100
Subject: [PATCH 1/1] add initialization of node address via eeprom

---
 firmware/fnordlicht-firmware/fnordlicht.c |  2 ++
 firmware/fnordlicht-firmware/storage.h    | 16 +++++++++-------
 2 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/firmware/fnordlicht-firmware/fnordlicht.c b/firmware/fnordlicht-firmware/fnordlicht.c
index b5e2ffe..f0b011b 100644
--- a/firmware/fnordlicht-firmware/fnordlicht.c
+++ b/firmware/fnordlicht-firmware/fnordlicht.c
@@ -42,6 +42,8 @@ static void startup(void)
 {
     /* if configuration is valid */
     if (storage_valid_config()) {
+	/* set global address to stored value */
+	global_remote.address = startup_config.startup_addr;
 
         /* read default mode from storage (do nothing if mode is invalid) */
         if (startup_config.params.mode == STARTUP_PROGRAM) {
diff --git a/firmware/fnordlicht-firmware/storage.h b/firmware/fnordlicht-firmware/storage.h
index 09e293d..76f352e 100644
--- a/firmware/fnordlicht-firmware/storage.h
+++ b/firmware/fnordlicht-firmware/storage.h
@@ -44,27 +44,29 @@ struct storage_color_t
 #define EEPROM_MAGIC_BYTE 0x23
 
 /* store the startup configuration in EEPROM
- * size: 13 byte */
+ * size: 14 bytes */
 struct storage_config_t
 {
     /* magic byte, must match EEPROM_MAGIC_BYTE to mark a valid configuration */
     uint8_t magic;
-    /* startup parameters, defined in remote_proto.h, size: 12 byte */
+    /* initial node address to use at startup */
+    uint8_t startup_addr;
+    /* startup parameters, defined in remote_proto.h, size: 12 bytes */
     struct startup_parameters_t params;
 };
 
 /* storage structure for EEPROM
- * size: 494 byte
- * (means: 18 byte left) */
+ * size: 496 bytes
+ * (means: 16 bytes left) */
 struct storage_t
 {
-    /* startup configuration, size: 12 byte */
+    /* startup configuration, size: 14 bytes */
     struct storage_config_t config;
 
-    /* color storage, size: 60*8 == 480 byte */
+    /* color storage, size: 60*8 == 480 bytes */
     struct storage_color_t color[CONFIG_EEPROM_COLORS];
 
-    /* crc16 checksum over config and color[], size: 2 byte */
+    /* crc16 checksum over config and color[], size: 2 bytes */
     uint16_t checksum;
 };
 
-- 
2.39.5