sensor_test.c

#include <stdio.h>
#include <stdlib.h>
#include "pico/stdlib.h"
#include "hardware/gpio.h"

#include "lib/i2c_handler.h"
#include "sens/sht21.h"
#include "sens/adxl345_i2c.h"
#include "pico/cyw43_arch.h"


int main(){ 
    static i2c_device_handler_t I2C_USED = {
        .pin_sda = 14,
        .pin_scl = 15,
        .i2c_mod = i2c1,
        .fi2c_khz = 100,
        .init_done = false
    };

    static sht21_handler_t sht21_device = {
        .i2c_mod = &I2C_USED,
        .heater_enable = SHT21_HEATER_OFF,
        .otp_enable = SHT21_DISABLE_OTP,
        .resolution = SHT21_RESOLUTION_12_14,
        .init_done = false
    };

    static adxl345_i2c_handler_t adxl345_device = {
        .i2c_mod = &I2C_USED,
        .init_done = false,
        // Variables for calibrating sensor
        .offset_x = 0.0f,
        .offset_y = 0.0f,
        .offset_z = 0.0f,
    };



    // --- Init of Serial COM-Port
    stdio_init_all();
    if (cyw43_arch_init()) {
        printf("Wi-Fi init failed");
    }
	
	// Wait until USB is connected
    /*while(!stdio_usb_connected()){
    };*/
    sleep_ms(10000);

    // Init of device
    scan_i2c_bus_for_device(&I2C_USED);
    SHT21_init(&sht21_device);
    ADXL345_init(&adxl345_device);

    //**************Main Loop for communication*******************
    //Sensor: SHT21
    float hum = 0.0;
    float temp = 0.0;
    bool led_state = false;

    //Sensor: ADXL345
    float x = 0.0f;
    float y = 0.0f;
    float z = 0.0f;
    // calibrate sensor
    ADXL345_reset_offset(&adxl345_device);
    calibrate_ADXL345(&adxl345_device, &adxl345_device.offset_x, &adxl345_device.offset_y, &adxl345_device.offset_z);

    while (true){
        hum = SHT21_get_humidity_float(&sht21_device);
        temp = SHT21_get_temperature_float(&sht21_device);
        printf("... RH = %f %%, T = %f K\n", hum, temp);

        if (ADXL345_get_acceleration(&adxl345_device, &x, &y, &z) == 0) {
        printf("Beschleunigung: X=%.3fg, Y=%.3fg, Z=%.3fg\n", x, y, z);
    } else {
        printf("Fehler beim Lesen der Beschleunigung\n");
    }

        sleep_ms(1000);

        cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, led_state);
        led_state = !led_state;
    };
    return 0;
}