/*Configure GPIO pins : PE2 PE3 PE4 */ GPIO_InitStructure.Pin = KEY1_Pin; GPIO_InitStructure.Mode = GPIO_MODE_IT_FALLING; // 下降沿触发 GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStructure.Pull = GPIO_PULLUP; // 上拉输入 HAL_GPIO_Init(KEY_GPIO_Port, &GPIO_InitStructu...
io_conf.mode = GPIO_MODE_OUTPUT; //bit mask of the pins that you want to set,e.g.GPIO18/19 io_conf.pin_bit_mask = SCREEN_GPIO_OUTPUT_CS_SEL; //disable pull-down mode io_conf.pull_down_en = 0; //disable pull-up mode io_conf.pull_up_en = 0; //configure GPIO with the g...
#include "camera_pins.h" const char* ssid = "TP-LINK_1760"; const char* password = "987654321"; void startCameraServer(); void setup() { Serial.begin(115200); Serial.setDebugOutput(true); Serial.println(); camera_config_t config; config.ledc_channel = LEDC_CHANNEL_0; config.ledc_ti...
uart1.write('hello') # write 5 bytes uart1.read(5) # read up to 5 bytes The ESP32 has three hardware UARTs: UART0, UART1 and UART2. They each have default GPIO assigned to them, however depending on your ESP32 variant and board, these pins may conflict with embedded flash, onboa...
Native SPI pins: SPI id clk mosi miso HSPI 1 14 13 12 VSPI 2 18 23 19 Native pins 最大的 SPI 时钟可以到达 80 MHZ. 如果你使用了 gpio matrix 连接到其他的引脚, 最大 spi 时钟是 40 MHz(半双工),26 MHz(全双工) 所以,大多数情况下(当你不需要大于26MHZ的速度),miso你可以使用任意的引脚...
//bit mask of the pins, use GPIO4/5 here io_conf.pin_bit_mask = GPIO_INPUT_PIN_SEL; //io脚位掩码, 用位运算 左移到需要改变的位进行操作 //set as input mode io_conf.mode = GPIO_MODE_INPUT; //设置为输入模式 //enable pull-up mode ...
确保您选择了 ESP32 Wrover 模块，// 或另一个启用了 PSRAM 的板// 选择相机型号//#define CAMERA_MODEL_WROVER_KIT//#define CAMERA_MODEL_ESP_EYE//#define CAMERA_MODEL_M5STACK_PSRAM//#define CAMERA_MODEL_M5STACK_WIDE#define CAMERA_MODEL_AI_THINKER#include “camera_pins.h”const char* ssid = "...
(buttonPin, INPUT_PULLUP); pinMode(ledPin, OUTPUT); // start I2S at 16 kHz with 16-bits per sample I2S.setAllPins(-1, 42, 41, -1, -1); if (!I2S.begin(PDM_MONO_MODE, 16000, 16)) { Serial.println("Failed to initialize I2S!"); while (1) ; // do nothing } uint8_t ...
如果在程序运行过程不需要使用外部中断了,可以用中断分离函数来取消这一中断设置: detachInterrupt(interrupt); detachInterrupt(Pin);。 3、示例 void setup() { // 初始化日志打印串口 Serial.begin(115200); // 配置中断引脚 pinMode(26, INPUT|PULLUP ); ...
Pins 6, 7, 8, 11, 16, and 17 用于连接嵌入式 flash,不建议用于其他用途 引脚34-39 仅供输入,也没有内部上拉电阻 有关睡眠期间管脚行为的讨论,请参见深度睡眠模式^[2]^ 有一个更高级别的抽象 machine.Signal^[3]^ 。可用于反转引脚的信号。