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Implement parsing method for MQTT messages

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This commit is contained in:
Erick
2025-12-13 12:39:04 +01:00
parent 184a0eed27
commit 6bfdc19fa8
1 changed files with 42 additions and 0 deletions
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firmware/esp32/main/mqtt.cpp
+42
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@@ -97,8 +97,50 @@ void mqttTask(void *pvParameters) {
if ((bits & (WIFI_CONNECTED_BIT | MQTT_CONNECTED_BIT)) == (WIFI_CONNECTED_BIT | MQTT_CONNECTED_BIT)) {
ESP_LOGV(TAG, "Wi-Fi and MQTT up");
uint8_t params[3] = {0};
uint8_t param_len = 0;
uint8_t i2c_cmd = 0;
uint8_t slave_addr = DEFAULT_SLAVE_ADDR;
char *action = strtok(rx_buffer, ":");
char *target = strtok(NULL, ":");
char *value = strtok(NULL, ":");
char *slave = strtok(NULL, ":");
if(slave) slave_addr = (uint8_t)strtol(slave, NULL, 0);
if(action && target) {
if (strcmp(action, "READ") == 0) {
if (strcmp(target, "moisture") == 0) i2c_cmd = CMD_GET_MOISTURE;
else if (strcmp(target, "eeprom") == 0 && value) {
if (strcmp(value, "sensor_reads") == 0) i2c_cmd = CMD_GET_SENSOR_READS;
else if (strcmp(value, "moisture_min") == 0) i2c_cmd = CMD_GET_MOISTURE_MIN;
else if (strcmp(value, "moisture_max") == 0) i2c_cmd = CMD_GET_MOISTURE_MAX;
}
} else if (strcmp(action, "WRITE") == 0) {
if (strcmp(target, "force") == 0) i2c_cmd = CMD_FORCE_PUMP;
else if (strcmp(target, "eeprom") == 0 && value) {
if (strncmp(value, "params:", 7) == 0) {
sscanf(value + 7, "%hhu,%hhu,%hhu", &params[0], &params[1], &params[2]);
i2c_cmd = CMD_SET_PARAMS;
param_len = 3;
}
else {
uint8_t v = (uint8_t)atoi(value);
if (strcmp(value, "sensor_reads") == 0) {
i2c_cmd = CMD_SET_SENSOR_READS;
params[0] = v;
param_len = 1;
}
}
}
}
}
uint32_t packet = (i2c_cmd<<24) | (slave_addr<<16) | params[0];
xTaskNotify(i2c_task, packet, eSetValueWithOverwrite);
} else ESP_LOGV(TAG, "Wi-Fi or MQTT down");
ESP_ERROR_CHECK(esp_task_wdt_reset());