From 173aeec2fc2507c8eadf44bcba58ccca73bc64fb Mon Sep 17 00:00:00 2001
From: Jan Mrna <mj370@protonmail.com>
Date: Sun, 19 Jun 2022 22:54:13 +0200
Subject: [PATCH] Added device class code and default value for serial 1

---
 fw/Core/Inc/config.h | 6 ++++++
 fw/Core/Src/main.c   | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/fw/Core/Inc/config.h b/fw/Core/Inc/config.h
index a8c7ace..02c10ba 100644
--- a/fw/Core/Inc/config.h
+++ b/fw/Core/Inc/config.h
@@ -48,6 +48,10 @@ config_read(&config);
  * Device description data can be accessed using direct readout from the memory
  * Device configuration data can be accessed using config_t struct.
  */
+
+/* device class: IAQ_Wired ; device code: 0x0010 (see serial generator repo) */
+#define CONFIG_DEVICE_CODE						0x0010
+
 #define CONFIG_DEFAULT_LED_ON					1
 #define CONFIG_DEFAULT_LED_BRIGHTNESS			100
 #define CONFIG_DEFAULT_LED_ALERT1_LIMIT			1500
@@ -55,6 +59,8 @@ config_read(&config);
 #define CONFIG_DEFAULT_LED_SMOOTH				1
 #define CONFIG_DEFAULT_SCD4x_T_OFFSET			0
 #define CONFIG_DEFAULT_BAUDRATE_INDEX			0
+#define CONFIG_DEFAULT_SERIAL_1					(CONFIG_DEVICE_CODE)
+/* SERIAL_2 is not defined, as it makes no sense to have default value */
 
 #define CONFIG_SERIAL_NUMBER_1_LENGTH			2
 #define CONFIG_SERIAL_NUMBER_2_LENGTH			2
diff --git a/fw/Core/Src/main.c b/fw/Core/Src/main.c
index 0b6b61b..39cd156 100644
--- a/fw/Core/Src/main.c
+++ b/fw/Core/Src/main.c
@@ -296,6 +296,9 @@ int main(void)
   int8_t config_read_status = config_read(&sensor_config);
   if (config_read_status != CONFIG_OK)
   {
+	  /* serial_number_1 contains device class code,
+	   * in case of EEPROM corruption it should have reasonable value */
+	  sensor_config.serial_number_1 = CONFIG_DEFAULT_SERIAL_1;
 	  sensor_config.modbus_addr = MODBUS_DEFAULT_SLAVE_ADDRESS;
 	  sensor_config.led_co2_alert_limit1 = CONFIG_DEFAULT_LED_ALERT1_LIMIT;
 	  sensor_config.led_co2_alert_limit2 = CONFIG_DEFAULT_LED_ALERT2_LIMIT;