88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
#include <stdio.h>
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#include "espressif/esp_common.h"
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#include "esp/uart.h"
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#include "FreeRTOS.h"
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#include "task.h"
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#include "bmp280/bmp280.h"
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// In forced mode user initiate measurement each time.
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// In normal mode measurement is done continuously with specified standby time.
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// #define MODE_FORCED
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const uint8_t scl_pin = 5;
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const uint8_t sda_pin = 4;
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#ifdef MODE_FORCED
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static void bmp280_task_forced(void *pvParameters)
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{
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bmp280_params_t params;
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float pressure, temperature;
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bmp280_init_default_params(¶ms);
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params.mode = BMP280_MODE_FORCED;
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while (1) {
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while (!bmp280_init(¶ms, scl_pin, sda_pin)) {
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printf("BMP280 initialization failed\n");
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vTaskDelay(1000 / portTICK_RATE_MS);
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}
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while(1) {
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vTaskDelay(1000 / portTICK_RATE_MS);
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if (!bmp280_force_measurement()) {
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printf("Failed initiating measurement\n");
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break;
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}
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while (bmp280_is_measuring()) {}; // wait for measurement to complete
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if (!bmp280_read(&temperature, &pressure)) {
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printf("Temperature/pressure reading failed\n");
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break;
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}
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printf("Pressure: %.2f Pa, Temperature: %.2f C\n", pressure, temperature);
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}
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}
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}
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#else
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static void bmp280_task_normal(void *pvParameters)
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{
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bmp280_params_t params;
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float pressure, temperature;
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bmp280_init_default_params(¶ms);
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while (1) {
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while (!bmp280_init(¶ms, scl_pin, sda_pin)) {
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printf("BMP280 initialization failed\n");
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vTaskDelay(1000 / portTICK_RATE_MS);
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}
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while(1) {
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vTaskDelay(1000 / portTICK_RATE_MS);
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if (!bmp280_read(&temperature, &pressure)) {
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printf("Temperature/pressure reading failed\n");
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break;
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}
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printf("Pressure: %.2f Pa, Temperature: %.2f C\n", pressure, temperature);
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}
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}
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}
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#endif
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void user_init(void)
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{
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uart_set_baud(0, 115200);
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// Just some information
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printf("\n");
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printf("SDK version : %s\n", sdk_system_get_sdk_version());
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printf("GIT version : %s\n", GITSHORTREV);
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#ifdef MODE_FORCED
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xTaskCreate(bmp280_task_forced, (signed char *)"bmp280_task", 256, NULL, 2, NULL);
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#else
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xTaskCreate(bmp280_task_normal, (signed char *)"bmp280_task", 256, NULL, 2, NULL);
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#endif
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}
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