#include #include "espressif/esp_common.h" #include "esp/uart.h" #include "FreeRTOS.h" #include "task.h" #include "i2c/i2c.h" #include "pcf8591/pcf8591.h" #define ADDR PCF8591_DEFAULT_ADDRESS #define I2C_BUS 0 #define SCL_PIN 5 #define SDA_PIN 4 static void measure(void *pvParameters) { i2c_dev_t dev = { .addr = ADDR, .bus = I2C_BUS, }; while (1) { vTaskDelay(1000 / portTICK_PERIOD_MS); printf("Value: %d\n", pcf8591_read(&dev, 0x03)); } } void user_init(void) { uart_set_baud(0, 115200); // Just some information printf("\n"); printf("SDK version : %s\n", sdk_system_get_sdk_version()); printf("GIT version : %s\n", GITSHORTREV); i2c_init(I2C_BUS, SCL_PIN, SDA_PIN, I2C_FREQ_100K); xTaskCreate(measure, "measure_task", 256, NULL, 2, NULL); }