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Added a random error checking function

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Not actually sure I'll use it?
This commit is contained in:
Arthur Roberts
2023-10-25 22:11:04 +01:00
parent ce0de58466
commit e8c1dc0647
3 changed files with 18 additions and 5 deletions
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10
components/dht22/dht22.c
View File

@@ -12,6 +12,15 @@ static const char* TAG = "DHT22";
deci_percent _dht22_relative_humidity = UINT16_MAX; deci_percent _dht22_relative_humidity = UINT16_MAX;
deci_degrees_c _dht22_temperature = INT16_MIN; deci_degrees_c _dht22_temperature = INT16_MIN;
void dht22_handle_error(dht22_error e) {
if (e == DHT22_OK) {
ESP_LOGI(TAG, "No errors reading DHT22 value");
} else if (e == DHT22_CHECKSUM_ERROR) {
ESP_LOGE(TAG, "Error calculating checksum");
} else if (e == DHT22_TIMING_ERROR) {
ESP_LOGE(TAG, "Timing error while obtaining data");
}
}
dht22_error dht22_read() { dht22_error dht22_read() {
uint8_t data[5] = {0}; uint8_t data[5] = {0};
@@ -28,7 +37,6 @@ dht22_error dht22_read() {
if (checksum_val != data[4]) { if (checksum_val != data[4]) {
_dht22_relative_humidity = UINT16_MAX; _dht22_relative_humidity = UINT16_MAX;
_dht22_temperature = INT16_MIN; _dht22_temperature = INT16_MIN;
ESP_LOGE(TAG, "Error in final checksum check");
return DHT22_CHECKSUM_ERROR; return DHT22_CHECKSUM_ERROR;
} }

1
components/dht22/dht22.h
View File

@@ -11,6 +11,7 @@ typedef enum {
typedef uint16_t deci_percent; typedef uint16_t deci_percent;
typedef int16_t deci_degrees_c; typedef int16_t deci_degrees_c;
void dht22_handle_error();
deci_percent dht22_relative_humidity(); deci_percent dht22_relative_humidity();
deci_degrees_c dht22_temperature(); deci_degrees_c dht22_temperature();
dht22_error dht22_read(); dht22_error dht22_read();

12
main/main.c
View File

@@ -20,8 +20,8 @@ static const char* TAG = "YASPAM";
static volatile bool run_dht = true; static volatile bool run_dht = true;
static volatile bool run_pms5003 = true; static volatile bool run_pms5003 = true;
static TaskHandle_t dht22_handle; static TaskHandle_t dht22_handle = NULL;
static TaskHandle_t pms5003_handle; static TaskHandle_t pms5003_handle = NULL;
#ifdef CONFIG_PMS5003_ENABLED #ifdef CONFIG_PMS5003_ENABLED
#include "pms5003.h" #include "pms5003.h"
@@ -49,8 +49,12 @@ read_from_dht22()
portDISABLE_INTERRUPTS(); portDISABLE_INTERRUPTS();
int ret = dht22_read(); int ret = dht22_read();
portENABLE_INTERRUPTS(); portENABLE_INTERRUPTS();
ESP_LOGI(TAG, "Got DHT22 data!"); if (ret != DHT22_OK) {
// TODO: Write the data out somewhere - into RAM maybe? dht22_handle_error(ret);
} else {
ESP_LOGI(TAG, "Got DHT22 data!");
// TODO: Write the data out somewhere - into RAM maybe?
}
vTaskDelay(pdMS_TO_TICKS(CONFIG_DHT22_PERIOD_POLL)); vTaskDelay(pdMS_TO_TICKS(CONFIG_DHT22_PERIOD_POLL));
} }
} }