ESP32 Onchip Sensor
来自Jack's Lab
(版本间的差异)
(→Quick Start) |
(→Code) |
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第77行: | 第77行: | ||
#include "freertos/FreeRTOS.h" | #include "freertos/FreeRTOS.h" | ||
#include "freertos/task.h" | #include "freertos/task.h" | ||
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#include "esp_system.h" | #include "esp_system.h" | ||
#include "nvs_flash.h" | #include "nvs_flash.h" |
2016年11月15日 (二) 13:38的版本
1 Overview
2 Quick Start
- Build
$ sudo apt-get install git wget make libncurses-dev flex bison gperf python python-serial $ wget https://dl.espressif.com/dl/xtensa-esp32-elf-linux32-1.22.0-59.tar.gz $ mkdir -p toolchain $ tar -xzf xtensa-esp32-elf-linux32-1.22.0-59.tar.gz -C toolchain $ export PATH=$PATH:`pwd`/toolchain/xtensa-esp32-elf/bin $ $ git clone --recursive git://github.com/icamgo/esp-idf.git $ cd esp-idf/examples/09_onchip_sensor $ make menuconfig $ make flash
- Check serial
$ picocom -b 115200 /dev/ttyUSB0 ets Jun 8 2016 00:22:57 rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT) ets Jun 8 2016 00:22:57 rst:0x10 (RTCWDT_RTC_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT) configsip: 0, SPIWP:0x00 clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00 mode:QIO, clock div:1 load:0x3ffc0000,len:0 load:0x3ffc0000,len:920 load:0x40078000,len:3220 ho 0 tail 12 room 4 load:0x40080000,len:260 entry 0x40080034 I (63) heap_alloc_caps: Initializing heap allocator: I (63) heap_alloc_caps: Region 19: 3FFB45D8 len 0002BA28 tag 0 I (65) heap_alloc_caps: Region 25: 3FFE8000 len 00018000 tag 1 I (74) cpu_start: Pro cpu up. I (80) cpu_start: Single core mode I (86) cpu_start: Pro cpu start user code rtc v118 Oct 19 2016 15:22:11 XTAL 40M I (121) cpu_start: Starting scheduler on PRO CPU. Welcome to Noduino Quantum Try to read the temperature sensor of the ESP32 onchip ... ESP32 onchip Temperature = 143 ESP32 onchip Hall sensor = 5247 ESP32 onchip Temperature = 145 ESP32 onchip Hall sensor = 5240
3 Code
/* * MaiKe Labs (2016 - 2026) * * Written by Jack Tan <jiankemeng@gmail.com> * * This example code is in the Public Domain (or CC0 licensed, at your option.) * Unless required by applicable law or agreed to in writing, this * software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR * CONDITIONS OF ANY KIND, either express or implied. * */ #include <stdio.h> #include <stdlib.h> #include "freertos/FreeRTOS.h" #include "freertos/task.h" #include "esp_system.h" #include "nvs_flash.h" uint8_t temprature_sens_read(); uint32_t hall_sens_read(); void read_sens_task(void *pvParameters) { while (1) { printf("ESP32 onchip Temperature = %d\n", temprature_sens_read()); printf("ESP32 onchip Hall sensor = %d\n", hall_sens_read()); vTaskDelay(4000 / portTICK_PERIOD_MS); } } void app_main() { nvs_flash_init(); system_init(); printf("Welcome to Noduino Quantum\r\n"); printf("Try to read the sensors inside the ESP32 chip ... \r\n"); xTaskCreatePinnedToCore(&read_sens_task, "read_sens_task", 1024, NULL, 5, NULL, 0); }