mirror of
https://github.com/alexandrebobkov/ESP-Nodes.git
synced 2025-11-03 23:58:27 +00:00
91 lines
3.4 KiB
C
91 lines
3.4 KiB
C
/*
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* SPDX-FileCopyrightText: 2010-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: CC0-1.0
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*/
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#include <stdio.h>
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#include <inttypes.h>
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#include "sdkconfig.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_chip_info.h"
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#include "esp_flash.h"
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#include "esp_system.h"
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//#include "i2c_bus.h"
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#include "bme280.h"
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#define I2C_MASTER_SCL_IO 22 /*!< GPIO number used for I2C master clock */
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#define I2C_MASTER_SDA_IO 21 /*!< GPIO number used for I2C master data */
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#define I2C_MASTER_NUM I2C_NUM_0 /*!< I2C master i2c port number, the number of i2c peripheral interfaces available will depend on the chip */
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#define I2C_MASTER_FREQ_HZ 400000 /*!< I2C master clock frequency */
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#define I2C_MASTER_TX_BUF_DISABLE 0 /*!< I2C master doesn't need buffer */
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#define I2C_MASTER_RX_BUF_DISABLE 0 /*!< I2C master doesn't need buffer */
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#define I2C_MASTER_TIMEOUT_MS 1000
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#define I2C_ACKS 0x1
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#define I2C_ACKM 0x0
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#define I2C_NOACKM 0x1 // I2C NACK value
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#define I2C_WRITE_BIT I2C_MASTER_WRITE
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#define I2C_READ_BIT I2C_MASTER_READ
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#define BME280_SENSOR_ADDR 0x76 /*!< Slave address of the MPU9250 sensor */
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static i2c_bus_handle_t i2c_bus = NULL;
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static bme280_handle_t sensor = NULL;
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float temperature = 0.0f;
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i2c_config_t conf = {
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.mode = I2C_MODE_MASTER,
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.sda_io_num = GPIO_NUM_21,
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.scl_io_num = GPIO_NUM_22,
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.master.clk_speed = I2C_MASTER_FREQ_HZ,
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.clk_flags= 0,
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};
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void app_main(void)
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{
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printf("Hello world!\n");
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/* Print chip information */
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esp_chip_info_t chip_info;
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uint32_t flash_size;
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esp_chip_info(&chip_info);
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printf("This is %s chip with %d CPU core(s), %s%s%s%s, ",
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CONFIG_IDF_TARGET,
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chip_info.cores,
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(chip_info.features & CHIP_FEATURE_WIFI_BGN) ? "WiFi/" : "",
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(chip_info.features & CHIP_FEATURE_BT) ? "BT" : "",
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(chip_info.features & CHIP_FEATURE_BLE) ? "BLE" : "",
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(chip_info.features & CHIP_FEATURE_IEEE802154) ? ", 802.15.4 (Zigbee/Thread)" : "");
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unsigned major_rev = chip_info.revision / 100;
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unsigned minor_rev = chip_info.revision % 100;
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printf("silicon revision v%d.%d, ", major_rev, minor_rev);
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if(esp_flash_get_size(NULL, &flash_size) != ESP_OK) {
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printf("Get flash size failed");
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return;
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}
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printf("%" PRIu32 "MB %s flash\n", flash_size / (uint32_t)(1024 * 1024),
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(chip_info.features & CHIP_FEATURE_EMB_FLASH) ? "embedded" : "external");
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printf("Minimum free heap size: %" PRIu32 " bytes\n", esp_get_minimum_free_heap_size());
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//i2c_master_init();
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i2c_bus = i2c_bus_create(I2C_MASTER_NUM, &conf);
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//i2c_bus = i2c_bus_create(I2C_MASTER_NUM, I2C_MASTER_SDA_IO, I2C_MASTER_SCL_IO, I2C_MASTER_FREQ_HZ);
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//sensor = bme280_create(i2c_bus, BME280_SENSOR_ADDR);
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//ESP_ERROR_CHECK(bme280_default_init(sensor));
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//ESP_ERROR_CHECK(bme280_read_temperature(sensor, &temperature));
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for (int i = 10; i >= 0; i--) {
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printf("Restarting in %d seconds...\n", i);
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vTaskDelay(1000 / portTICK_PERIOD_MS);
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}
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printf("Restarting now.\n");
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fflush(stdout);
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esp_restart();
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}
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