ESP32 Partical
来自Jack's Lab
(版本间的差异)
(→PIN) |
(→Code Example) |
||
(未显示1个用户的12个中间版本) | |||
第16行: | 第16行: | ||
Sharp pin 3 (LED) => Quantum_D8_IO22 | Sharp pin 3 (LED) => Quantum_D8_IO22 | ||
Sharp pin 4 (S-GND) => Quantum_GND | Sharp pin 4 (S-GND) => Quantum_GND | ||
− | Sharp pin 5 (Vo) => | + | Sharp pin 5 (Vo) => Quantum_IO35 |
Sharp pin 6 (Vcc) => Quantum_VIN_3V3 | Sharp pin 6 (Vcc) => Quantum_VIN_3V3 | ||
</pre> | </pre> | ||
第25行: | 第25行: | ||
[[文件:Sharp.gy1010.circuit.gif]] | [[文件:Sharp.gy1010.circuit.gif]] | ||
+ | |||
+ | <br><br> | ||
+ | |||
+ | == Quick Start == | ||
+ | |||
+ | [[文件:Quantum-sharp-1024.jpg | 800px]] | ||
+ | |||
+ | |||
+ | |||
+ | === Build === | ||
+ | |||
+ | <source lang=bash> | ||
+ | $ 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 zxf 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 | ||
+ | $ export IDF_PATH=`pwd`/esp-idf | ||
+ | $ cd esp-idf/examples/11_sharp_dust | ||
+ | $ make menuconfig | ||
+ | $ make -j2 | ||
+ | </source> | ||
+ | |||
+ | <br><br> | ||
+ | |||
+ | === Upload === | ||
+ | |||
+ | <source lang=bash> | ||
+ | $ make flash | ||
+ | </source> | ||
+ | |||
+ | You need to press the RST buttom after uploading the firmware into flash. If you guys do not like to do this please patch the /path/to/esp-idf/components/esptool_py/esptool/esptool.py : | ||
+ | |||
+ | <source lang=bash> | ||
+ | diff --git a/esptool.py b/esptool.py | ||
+ | index 755f4cb..ff92c91 100755 | ||
+ | --- a/esptool.py | ||
+ | +++ b/esptool.py | ||
+ | @@ -197,6 +197,12 @@ class ESPLoader(object): | ||
+ | + '\xc0' | ||
+ | self._port.write(buf) | ||
+ | |||
+ | + def reset_to_app(self): | ||
+ | + self._port.setDTR(False) | ||
+ | + self._port.setRTS(True) | ||
+ | + time.sleep(0.05) | ||
+ | + self._port.setRTS(True) | ||
+ | + | ||
+ | """ Calculate checksum of a blob, as it is defined by the ROM """ | ||
+ | @staticmethod | ||
+ | def checksum(data, state=ESP_CHECKSUM_MAGIC): | ||
+ | @@ -1421,7 +1427,6 @@ def dump_mem(esp, args): | ||
+ | sys.stdout.flush() | ||
+ | print 'Done!' | ||
+ | |||
+ | - | ||
+ | def write_flash(esp, args): | ||
+ | """Write data to flash | ||
+ | """ | ||
+ | @@ -1503,6 +1508,7 @@ def write_flash(esp, args): | ||
+ | if args.verify: | ||
+ | print 'Verifying just-written flash...' | ||
+ | verify_flash(esp, args, header_block) | ||
+ | + esp.reset_to_app() | ||
+ | |||
+ | |||
+ | def image_info(args): | ||
+ | </source> | ||
+ | |||
+ | Then Quantum can reset to run your app automatically after uploading the firmware into flash | ||
+ | |||
+ | |||
+ | === Checking Output === | ||
+ | |||
+ | <source lang=bash> | ||
+ | $ 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:0x3ffc0008,len:0 | ||
+ | load:0x3ffc0008,len:1964 | ||
+ | load:0x40078000,len:3648 | ||
+ | ho 0 tail 12 room 4 | ||
+ | load:0x40080000,len:256 | ||
+ | entry 0x40080034 | ||
+ | I (243) heap_alloc_caps: Initializing heap allocator: | ||
+ | I (243) heap_alloc_caps: Region 19: 3FFB1AFC len 0002E504 tag 0 | ||
+ | I (244) heap_alloc_caps: Region 25: 3FFE8000 len 00018000 tag 1 | ||
+ | I (254) cpu_start: Pro cpu up. | ||
+ | I (260) cpu_start: Single core mode | ||
+ | I (266) cpu_start: Pro cpu start user code | ||
+ | rtc v118 Oct 19 2016 15:22:11 | ||
+ | XTAL 40M | ||
+ | I (302) cpu_start: Starting scheduler on PRO CPU. | ||
+ | Welcome to Noduino Quantum | ||
+ | Sharp GP2Y1010AU0F Particle Sensor Example... | ||
+ | Sharp GP2Y1010AU0F Particle Sensor Example... | ||
+ | Partical voltage = 0.49V | ||
+ | Partical voltage = 0.49V | ||
+ | Partical voltage = 0.64V | ||
+ | Partical voltage = 0.57V | ||
+ | Partical voltage = 0.58V | ||
+ | Partical voltage = 0.51V | ||
+ | Partical voltage = 0.57V | ||
+ | Partical voltage = 0.60V | ||
+ | Partical voltage = 0.56V | ||
+ | Partical voltage = 0.58V | ||
+ | Partical voltage = 0.54V | ||
+ | Partical voltage = 0.47V | ||
+ | Partical voltage = 0.67V | ||
+ | Partical voltage = 0.57V | ||
+ | ...... | ||
+ | ...... | ||
+ | </source> | ||
+ | |||
+ | <br><br> | ||
+ | |||
+ | == Code Example == | ||
+ | |||
+ | <source lang=c> | ||
+ | #include <stdio.h> | ||
+ | #include <stdlib.h> | ||
+ | #include "freertos/FreeRTOS.h" | ||
+ | #include "freertos/task.h" | ||
+ | #include "soc/rtc_io_reg.h" | ||
+ | #include "esp_system.h" | ||
+ | #include "nvs_flash.h" | ||
+ | #include "driver/gpio.h" | ||
+ | |||
+ | enum adc1_pad { | ||
+ | ADC1_GPIO36 = 0, | ||
+ | ADC1_GPIO37, | ||
+ | ADC1_GPIO38, | ||
+ | ADC1_GPIO39, | ||
+ | ADC1_GPIO32, | ||
+ | ADC1_GPIO33, | ||
+ | ADC1_GPIO34, | ||
+ | ADC1_GPIO35 | ||
+ | }; | ||
+ | enum adc1_atten { | ||
+ | ADC1_ATTEN_0DB = 0, /* 0 ~ 1V can be measured */ | ||
+ | ADC1_ATTEN_3DB, /* 0 ~ 1.4V can be measured */ | ||
+ | ADC1_ATTEN_6DB, /* 0 ~ 2V can be measured */ | ||
+ | ADC1_ATTEN_12DB /* 0 ~ 4V can be measured */ | ||
+ | }; | ||
+ | uint32_t adc1_read(enum adc1_pad pad, enum adc1_atten att); | ||
+ | |||
+ | /* | ||
+ | * Read the amp adc, IO36 as the ADC_PRE_AMP | ||
+ | * make sure connecting a 270pF cap from | ||
+ | * esp32_pin5 to esp32_pin6 | ||
+ | */ | ||
+ | uint32_t adc1_amp_read(); | ||
+ | |||
+ | inline void delay_ms(int ms) | ||
+ | { | ||
+ | vTaskDelay(ms / portTICK_PERIOD_MS); | ||
+ | } | ||
+ | |||
+ | inline void delay_us(int us) | ||
+ | { | ||
+ | ets_delay_us(us); | ||
+ | } | ||
+ | |||
+ | void sharp_init() | ||
+ | { | ||
+ | |||
+ | /* | ||
+ | * Configure the IOMUX register for GPIO 22 (some pads are | ||
+ | * muxed to GPIO on reset already, but some default to other | ||
+ | * functions and need to be switched to GPIO. Consult the | ||
+ | * Technical Reference for a list of pads and their default | ||
+ | * functions.) | ||
+ | */ | ||
+ | gpio_pad_select_gpio(22); | ||
+ | |||
+ | /* Set the GPIO as a push/pull output */ | ||
+ | gpio_set_direction(22, GPIO_MODE_OUTPUT); | ||
+ | |||
+ | /* power off the led of partical sensor */ | ||
+ | gpio_set_level(22, 1); | ||
+ | } | ||
+ | |||
+ | int get_sharp() | ||
+ | { | ||
+ | uint32_t dust_vo = 0; | ||
+ | |||
+ | gpio_set_level(22, 0); // power on the LED | ||
+ | delay_us(280); | ||
+ | |||
+ | // read the dust value via ADC1 GPIO35 pin | ||
+ | dust_vo = adc1_read(ADC1_GPIO35, ADC1_ATTEN_6DB) / 4096.0 * 2.0; | ||
+ | delay_us(40); | ||
+ | |||
+ | gpio_set_level(22, 1); // turn the LED off | ||
+ | delay_us(9680); | ||
+ | |||
+ | return dust_vo; | ||
+ | } | ||
+ | |||
+ | void read_partical_task(void *pvParameters) | ||
+ | { | ||
+ | while (1) { | ||
+ | printf("Partical value = %2.2f\n", get_sharp()); | ||
+ | vTaskDelay(8000 / portTICK_PERIOD_MS); | ||
+ | } | ||
+ | } | ||
+ | |||
+ | void app_main() | ||
+ | { | ||
+ | nvs_flash_init(); | ||
+ | sharp_init(); | ||
+ | |||
+ | printf("Welcome to Noduino Quantum\r\n"); | ||
+ | printf("Sharp GP2Y1010AU0F Particle Sensor Example... \r\n"); | ||
+ | xTaskCreatePinnedToCore(&read_partical_task, "read_partical_task", 1024, NULL, 5, | ||
+ | NULL, 0); | ||
+ | } | ||
+ | </source> | ||
<br><br> | <br><br> |
2016年12月4日 (日) 00:32的最后版本
目录 |
[编辑] 1 Overview
Sharp GP2Y1010AU0F partical sensor
[编辑] 2 Connections
Sharp pin 1 (V-LED) => 150ohm resister => Quantum_VIN_3V3 Sharp pin 2 (LED-GND) => Quantum_GND Sharp pin 3 (LED) => Quantum_D8_IO22 Sharp pin 4 (S-GND) => Quantum_GND Sharp pin 5 (Vo) => Quantum_IO35 Sharp pin 6 (Vcc) => Quantum_VIN_3V3
[编辑] 3 Schemmatics
[编辑] 4 Quick Start
[编辑] 4.1 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 zxf 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 $ export IDF_PATH=`pwd`/esp-idf $ cd esp-idf/examples/11_sharp_dust $ make menuconfig $ make -j2
[编辑] 4.2 Upload
$ make flash
You need to press the RST buttom after uploading the firmware into flash. If you guys do not like to do this please patch the /path/to/esp-idf/components/esptool_py/esptool/esptool.py :
diff --git a/esptool.py b/esptool.py index 755f4cb..ff92c91 100755 --- a/esptool.py +++ b/esptool.py @@ -197,6 +197,12 @@ class ESPLoader(object): + '\xc0' self._port.write(buf) + def reset_to_app(self): + self._port.setDTR(False) + self._port.setRTS(True) + time.sleep(0.05) + self._port.setRTS(True) + """ Calculate checksum of a blob, as it is defined by the ROM """ @staticmethod def checksum(data, state=ESP_CHECKSUM_MAGIC): @@ -1421,7 +1427,6 @@ def dump_mem(esp, args): sys.stdout.flush() print 'Done!' - def write_flash(esp, args): """Write data to flash """ @@ -1503,6 +1508,7 @@ def write_flash(esp, args): if args.verify: print 'Verifying just-written flash...' verify_flash(esp, args, header_block) + esp.reset_to_app() def image_info(args):
Then Quantum can reset to run your app automatically after uploading the firmware into flash
[编辑] 4.3 Checking Output
$ 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:0x3ffc0008,len:0 load:0x3ffc0008,len:1964 load:0x40078000,len:3648 ho 0 tail 12 room 4 load:0x40080000,len:256 entry 0x40080034 I (243) heap_alloc_caps: Initializing heap allocator: I (243) heap_alloc_caps: Region 19: 3FFB1AFC len 0002E504 tag 0 I (244) heap_alloc_caps: Region 25: 3FFE8000 len 00018000 tag 1 I (254) cpu_start: Pro cpu up. I (260) cpu_start: Single core mode I (266) cpu_start: Pro cpu start user code rtc v118 Oct 19 2016 15:22:11 XTAL 40M I (302) cpu_start: Starting scheduler on PRO CPU. Welcome to Noduino Quantum Sharp GP2Y1010AU0F Particle Sensor Example... Sharp GP2Y1010AU0F Particle Sensor Example... Partical voltage = 0.49V Partical voltage = 0.49V Partical voltage = 0.64V Partical voltage = 0.57V Partical voltage = 0.58V Partical voltage = 0.51V Partical voltage = 0.57V Partical voltage = 0.60V Partical voltage = 0.56V Partical voltage = 0.58V Partical voltage = 0.54V Partical voltage = 0.47V Partical voltage = 0.67V Partical voltage = 0.57V ...... ......
[编辑] 5 Code Example
#include <stdio.h> #include <stdlib.h> #include "freertos/FreeRTOS.h" #include "freertos/task.h" #include "soc/rtc_io_reg.h" #include "esp_system.h" #include "nvs_flash.h" #include "driver/gpio.h" enum adc1_pad { ADC1_GPIO36 = 0, ADC1_GPIO37, ADC1_GPIO38, ADC1_GPIO39, ADC1_GPIO32, ADC1_GPIO33, ADC1_GPIO34, ADC1_GPIO35 }; enum adc1_atten { ADC1_ATTEN_0DB = 0, /* 0 ~ 1V can be measured */ ADC1_ATTEN_3DB, /* 0 ~ 1.4V can be measured */ ADC1_ATTEN_6DB, /* 0 ~ 2V can be measured */ ADC1_ATTEN_12DB /* 0 ~ 4V can be measured */ }; uint32_t adc1_read(enum adc1_pad pad, enum adc1_atten att); /* * Read the amp adc, IO36 as the ADC_PRE_AMP * make sure connecting a 270pF cap from * esp32_pin5 to esp32_pin6 */ uint32_t adc1_amp_read(); inline void delay_ms(int ms) { vTaskDelay(ms / portTICK_PERIOD_MS); } inline void delay_us(int us) { ets_delay_us(us); } void sharp_init() { /* * Configure the IOMUX register for GPIO 22 (some pads are * muxed to GPIO on reset already, but some default to other * functions and need to be switched to GPIO. Consult the * Technical Reference for a list of pads and their default * functions.) */ gpio_pad_select_gpio(22); /* Set the GPIO as a push/pull output */ gpio_set_direction(22, GPIO_MODE_OUTPUT); /* power off the led of partical sensor */ gpio_set_level(22, 1); } int get_sharp() { uint32_t dust_vo = 0; gpio_set_level(22, 0); // power on the LED delay_us(280); // read the dust value via ADC1 GPIO35 pin dust_vo = adc1_read(ADC1_GPIO35, ADC1_ATTEN_6DB) / 4096.0 * 2.0; delay_us(40); gpio_set_level(22, 1); // turn the LED off delay_us(9680); return dust_vo; } void read_partical_task(void *pvParameters) { while (1) { printf("Partical value = %2.2f\n", get_sharp()); vTaskDelay(8000 / portTICK_PERIOD_MS); } } void app_main() { nvs_flash_init(); sharp_init(); printf("Welcome to Noduino Quantum\r\n"); printf("Sharp GP2Y1010AU0F Particle Sensor Example... \r\n"); xTaskCreatePinnedToCore(&read_partical_task, "read_partical_task", 1024, NULL, 5, NULL, 0); }
[编辑] 6 Reference
- For more information please refer to