sensor_pcf8563.cpp

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#include "sdkconfig.h"
#include "esp_log.h"
#include "esp_err.h"
#include "i2c_driver.h"
#include "freertos/FreeRTOS.h"
 
#ifdef CONFIG_PCF8563
 
#include "RtcDrv.hpp"
 
static const char *TAG = "RTC";
 
SensorPCF8563 rtc;
 
static bool init_done = false;
 
esp_err_t pcf8563_init()
{
    ESP_LOGI(TAG, "----DRIVER PCF8563 ----");
 
    //* Implemented using read and write callback methods, applicable to other platforms
#if CONFIG_I2C_COMMUNICATION_METHOD_CALLBACK_RW
 
    uint8_t address = 0x51;
 
    // * Provide the device address to the callback function
    i2c_drv_device_init(address);
 
    ESP_LOGI(TAG, "Implemented using read and write callback methods");
    if (rtc.begin(i2c_wr_function)) {
        ESP_LOGI(TAG, "Initializing PCF8563 real-time clock successfully!");
    } else {
        ESP_LOGE(TAG, "Failed to initialize PCF8563 real time clock!");
        return ESP_FAIL;
    }
#endif
 
    //* Use the built-in esp-idf communication method
#if CONFIG_I2C_COMMUNICATION_METHOD_BUILTIN_RW
#if (ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5,0,0)) && defined(CONFIG_SENSORLIB_ESP_IDF_NEW_API)
 
    ESP_LOGI(TAG, "Implemented using built-in read and write methods (Use higher version >= 5.0 API)");
 
    // * Using the new API of esp-idf 5.x, you need to pass the I2C BUS handle,
    // * which is useful when the bus shares multiple devices.
    extern i2c_master_bus_handle_t bus_handle;
 
    if (rtc.begin(bus_handle)) {
        ESP_LOGI(TAG, "Initializing PCF8563 real-time clock successfully!");
    } else {
        ESP_LOGE(TAG, "Failed to initialize PCF8563 real time clock!");
        return ESP_FAIL;
    }
 
#else
 
    ESP_LOGI(TAG, "Implemented using built-in read and write methods (Use lower version < 5.0 API)");
    if (rtc.begin((i2c_port_t)CONFIG_I2C_MASTER_PORT_NUM, CONFIG_SENSOR_SDA, CONFIG_SENSOR_SCL)) {
        ESP_LOGI(TAG, "Initializing PCF8563 real-time clock successfully!");
    } else {
        ESP_LOGE(TAG, "Failed to initialize PCF8563 real time clock!");
        return ESP_FAIL;
    }
#endif //ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5,0,0)
#endif //CONFIG_I2C_COMMUNICATION_METHOD_BUILTIN_RW
 
    // Unix tm structure sets the time
    struct tm timeinfo;
    timeinfo.tm_yday = 2025 - 1900; //Counting starts from 1900, so subtract 1900 here
    timeinfo.tm_mon = 1 - 1;        //Months start at 0, so you need to subtract 1.
    timeinfo.tm_mday = 17;
    timeinfo.tm_hour = 4;
    timeinfo.tm_min = 30;
    timeinfo.tm_sec = 30;
    rtc.setDateTime(timeinfo);
 
    init_done = true;
 
    return ESP_OK;
}
 
void pcf8563_loop()
{
    if (!init_done) {
        return;
    }
    char buf[64];
    struct tm timeinfo;
    // Get the time C library structure
    rtc.getDateTime(&timeinfo);
    // Format the output using the strftime function
    // For more formats, please refer to :
    // https://man7.org/linux/man-pages/man3/strftime.3.html
    size_t written = strftime(buf, 64, "%A, %B %d %Y %H:%M:%S", &timeinfo);
    if (written != 0) {
        ESP_LOGI("RTC", "%s", buf);
    }
    written = strftime(buf, 64, "%b %d %Y %H:%M:%S", &timeinfo);
    if (written != 0) {
        ESP_LOGI("RTC", "%s", buf);
    }
    written = strftime(buf, 64, "%A, %d. %B %Y %I:%M%p", &timeinfo);
    if (written != 0) {
        ESP_LOGI("RTC", "%s", buf);
    }
}
 
#endif