Files
ESP-Nodes/ESP32-IDF_Temperture-Node-v2/main/hello_world_main.c

112 lines
4.1 KiB
C

/*
* SPDX-FileCopyrightText: 2010-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: CC0-1.0
*/
#include <stdio.h>
#include <inttypes.h>
#include <string.h>
#include "sdkconfig.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_chip_info.h"
#include "esp_flash.h"
#include "esp_system.h"
//#include "i2c_bus.h"
//#include "bme280.h"
#include "bmp280.h"
#define I2C_MASTER_SCL_IO 22 /*!< GPIO number used for I2C master clock */
#define I2C_MASTER_SDA_IO 21 /*!< GPIO number used for I2C master data */
#define I2C_MASTER_NUM I2C_NUM_0 /*!< I2C master i2c port number, the number of i2c peripheral interfaces available will depend on the chip */
#define I2C_MASTER_FREQ_HZ 400000 /*!< I2C master clock frequency */
#define I2C_MASTER_TX_BUF_DISABLE 0 /*!< I2C master doesn't need buffer */
#define I2C_MASTER_RX_BUF_DISABLE 0 /*!< I2C master doesn't need buffer */
#define I2C_MASTER_TIMEOUT_MS 1000
#define I2C_ACKS 0x1
#define I2C_ACKM 0x0
#define I2C_NOACKM 0x1 // I2C NACK value
#define I2C_WRITE_BIT I2C_MASTER_WRITE
#define I2C_READ_BIT I2C_MASTER_READ
#define BME280_SENSOR_ADDR 0x76 /*!< Slave address of the MPU9250 sensor */
//static i2c_bus_handle_t i2c_bus = NULL;
//static bme280_handle_t sensor = NULL;
float temperature = 0.0f;
i2c_config_t conf = {
.mode = I2C_MODE_MASTER,
.sda_io_num = GPIO_NUM_21,
.scl_io_num = GPIO_NUM_22,
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.master.clk_speed = I2C_MASTER_FREQ_HZ,
.clk_flags= 0,
};
void app_main(void)
{
printf("Hello world!\n");
/* Print chip information */
esp_chip_info_t chip_info;
uint32_t flash_size;
esp_chip_info(&chip_info);
printf("This is %s chip with %d CPU core(s), %s%s%s%s, ",
CONFIG_IDF_TARGET,
chip_info.cores,
(chip_info.features & CHIP_FEATURE_WIFI_BGN) ? "WiFi/" : "",
(chip_info.features & CHIP_FEATURE_BT) ? "BT" : "",
(chip_info.features & CHIP_FEATURE_BLE) ? "BLE" : "",
(chip_info.features & CHIP_FEATURE_IEEE802154) ? ", 802.15.4 (Zigbee/Thread)" : "");
unsigned major_rev = chip_info.revision / 100;
unsigned minor_rev = chip_info.revision % 100;
printf("silicon revision v%d.%d, ", major_rev, minor_rev);
if(esp_flash_get_size(NULL, &flash_size) != ESP_OK) {
printf("Get flash size failed");
return;
}
printf("%" PRIu32 "MB %s flash\n", flash_size / (uint32_t)(1024 * 1024),
(chip_info.features & CHIP_FEATURE_EMB_FLASH) ? "embedded" : "external");
printf("Minimum free heap size: %" PRIu32 " bytes\n", esp_get_minimum_free_heap_size());
ESP_ERROR_CHECK(i2cdev_init());
bmp280_params_t params;
bmp280_init_default_params(&params);
bmp280_t dev;
memset(&dev, 0, sizeof(bmp280_t));
//ESP_ERROR_CHECK(bmp280_init(&dev, &params));
ESP_ERROR_CHECK(bmp280_init_desc(&dev, BMP280_I2C_ADDRESS_0, 0, I2C_MASTER_SDA_IO, I2C_MASTER_SCL_IO));
//ESP_ERROR_CHECK(bmp280_init(&dev, &params));
//bool bme280p = dev.id == BME280_CHIP_ID;
//printf("BMP280: found %s\n", bme280p ? "BME280" : "BMP280");
//i2c_master_init();
//i2c_bus = i2c_bus_create(I2C_MASTER_NUM, &conf);
//i2c_bus = i2c_bus_create(I2C_MASTER_NUM, I2C_MASTER_SDA_IO, I2C_MASTER_SCL_IO, I2C_MASTER_FREQ_HZ);
//sensor = bme280_create(i2c_bus, BME280_SENSOR_ADDR);
//if(!sensor) {
// printf("Failed to create BME280 sensor\n");
// return;
// }
//ESP_ERROR_CHECK(bme280_default_init(sensor));
//ESP_ERROR_CHECK(bme280_read_temperature(sensor, &temperature));
for (int i = 10; i >= 0; i--) {
printf("Restarting in %d seconds...\n", i);
vTaskDelay(1000 / portTICK_PERIOD_MS);
}
printf("Restarting now.\n");
fflush(stdout);
esp_restart();
}