Dwi259eti Firmware Review

uint8_t raw[2]; i2c_cmd_handle_t cmd = i2c_cmd_link_create(); i2c_master_start(cmd); i2c_master_write_byte(cmd, (0x48 << 1) Keeping the sensor‑reading code isolated makes unit‑testing easier and prevents the AT parser from becoming a monolith. 4.3 Glue Layer – AT Command (if applicable) // at_cmd_myfeat.c #include "at.h" #include "my_feature.h"

If the feature is periodic, spawn a FreeRTOS task: Dwi259eti Firmware

static const char *TAG = "my_feature";

while (1) float temp; if (my_feature_get_temperature(&temp) == 0) ESP_LOGI(TAG, "Temp = %.2f°C", temp); // Optionally publish via MQTT vTaskDelay(pdMS_TO_TICKS(10000)); // 10 s interval i2c_cmd_handle_t cmd = i2c_cmd_link_create()

// registration – called from at_init() void at_register_my_feature(void) while (1) float temp