veles_labs/iaq_sensor_wired
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Added sanity check to CO2 (must be more that 0 :D)

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Duke NUCem
2021-10-11 20:06:27 +02:00
parent a87afdf6fa
commit 78c8104a58
3 changed files with 19 additions and 5 deletions
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20
fw/Core/Src/main.c
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@@ -111,6 +111,7 @@ config_t sensor_config;
uint8_t sensor_config_pending_write = 0;
uint8_t baudrate_changed = 0;
uint8_t modbus_address_changed = 0;
uint8_t co2_valid = 0;
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
@@ -179,7 +180,7 @@ int main(void)
/* Turn on MAGENTA LED to signal startup state */
LL_GPIO_ResetOutputPin(LED_R_GPIO_Port, LED_R_Pin);
LL_GPIO_SetOutputPin(LED_G_GPIO_Port, LED_G_Pin);
LL_GPIO_ResetOutputPin(LED_G_GPIO_Port, LED_G_Pin);
LL_GPIO_ResetOutputPin(LED_B_GPIO_Port, LED_B_Pin);
/* Enable I2C for sensors */
@@ -297,6 +298,11 @@ int main(void)
scd4x_read_measurement(&CO2,
&T_SCD4x,
&RH_SCD4x);
if (CO2 > 0) {
co2_valid = 1;
} else {
co2_valid = 0;
}
}
/* Read SPS30 data (if connected) */
@@ -312,6 +318,7 @@ int main(void)
}
/* TEST END */
if (sensor_config.led_on) {
if (co2_valid == 1) {
if (CO2 <= sensor_config.led_co2_alert_limit1) {
/* CO2 is OK -> GREEN */
LL_GPIO_SetOutputPin(LED_R_GPIO_Port, LED_R_Pin);
@@ -331,10 +338,17 @@ int main(void)
LL_GPIO_SetOutputPin(LED_B_GPIO_Port, LED_B_Pin);
}
} else {
LL_GPIO_SetOutputPin(LED_R_GPIO_Port, LED_R_Pin);
LL_GPIO_ResetOutputPin(LED_R_GPIO_Port, LED_R_Pin);
LL_GPIO_SetOutputPin(LED_G_GPIO_Port, LED_G_Pin);
LL_GPIO_SetOutputPin(LED_B_GPIO_Port, LED_B_Pin);
LL_GPIO_ResetOutputPin(LED_B_GPIO_Port, LED_B_Pin);
}
} else {
LL_GPIO_SetOutputPin(LED_R_GPIO_Port, LED_R_Pin);
LL_GPIO_SetOutputPin(LED_G_GPIO_Port, LED_G_Pin);
LL_GPIO_SetOutputPin(LED_B_GPIO_Port, LED_B_Pin);
}
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */