mirror of
https://github.com/alexandrebobkov/ESP-Nodes.git
synced 2025-10-31 04:59:55 +00:00
97 lines
3.5 KiB
C
97 lines
3.5 KiB
C
/*
|
|
* SPDX-FileCopyrightText: 2010-2022 Espressif Systems (Shanghai) CO LTD
|
|
*
|
|
* SPDX-License-Identifier: CC0-1.0
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <inttypes.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"
|
|
|
|
#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());
|
|
|
|
//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();
|
|
}
|