get_gpioa_num=gpio_input_port_get(GPIOA);if(get_gpioa_num &0x0001)//按下LED1灭LE2亮{ gpio_bit_write(GPIOB, GPIO_PIN_15,SET);if(gpio_output_bit_get(GPIOB, GPIO_PIN_14)==SET)//如果灯亮,则灯灭gpio_bit_write(GPIOB, GPIO_PIN_14,RESET);else//如果灯灭,则灯亮gpio_bit_write...
uint16_t get_gpioa_num = 0; get_gpioa_num=gpio_input_port_get(GPIOA);if(get_gpioa_num & 0x0001)//按下LED1灭LE2亮{ gpio_bit_write(GPIOB, GPIO_PIN_15,SET);if(gpio_output_bit_get(GPIOB, GPIO_PIN_14)==SET)//如果灯亮,则灯灭gpio_bit_write(GPIOB, GPIO_PIN_14,RESET);els...
gpio_bit_set 置位引脚值 gpio_bit_reset 复位引脚值 gpio_bit_write将特定的值写入引脚 gpio_port_write 将特定的值写入一组端口 gpio_input_bit_get 获取引脚的输入值 gpio_input_port_get 获取一组端口的输入值 gpio_output_bit_get 获取引脚的输出值 ...
GPIO_PULLUP_ONLY); gpio_set_pull_mode(5, GPIO_PULLUP_ONLY); gpio_config_t ioConfig = { .pin_bit_mask = (1ull<<3) || (1ull<<4) || (1ull<<5), .mode = GPIO_MODE_OUTPUT, .pull_up_en = 1 }; gpio_config(&ioConfig);2. gpio口复位函数 esp_err_t...
while(1){ uint16_t get_gpioa_num = 0; get_gpioa_num=gpio_input_port_get(GPIOA); if(get_gpioa_num & 0x0001)//按下LED1灭LE2亮 { gpio_bit_write(GPIOB, GPIO_PIN_15,SET); if(gpio_output_bit_get(GPIOB, GPIO_PIN_14)==SET)//如果灯亮,则灯灭 gpio_bit_write(GPIOB, GPIO_...
In condition that the CPU writes into data via "Bit set/reset registers" or "Output data register" with number ①, this data bit will be transferred to I/O with number ④ via the "output control circuit“ with number ②. If the logic "1" is written by CPU, the N-MOS with number...
1 gpiod_get() 1-1 of_find_gpio() 1-1-1 of_get_named_gpiod_flags() 1-2 gpiod_request() 1-3 gpiod_configure_flags() 总结 介绍 Linux版本:4.9.88 芯片类型:IMX6ULL 作者唠嗑:因分析的是gpio子系统的主线,其他不相关的内容已进行了相应的删除,使其主线更清晰。过程和结论都很重要!喜欢的话...
(*direction_output)(struct gpio_chip *chip, unsigned offset, int value); int (*get)(struct gpio_chip *chip, unsigned offset); void (*set)(struct gpio_chip *chip, unsigned offset, int value); void (*set_multiple)(struct gpio_chip *chip, unsigned long *mask, unsigned long *bits); ...
(GPIO_ReadOutputDataBit(GPIOA,GPIO_Pin_1)==0){//该函数读取PA1端口状态GPIO_SetBits(GPIOA,GPIO_Pin_1);//如果状态为0,则置1}else{GPIO_ResetBits(GPIOA,GPIO_Pin_1);//如果状态为1,则置0,达到电平反转功能}}voidLED2_ON(void){GPIO_ResetBits(GPIOA,GPIO_Pin_2);}voidLED2_OFF(void){...
GPIO_ReadOutputDataBit:读取指定GPIO端口的指定引脚的输出值(1 bit); GPIO_ReadInputDataBit:读取指定GPIO端口的指定引脚的输入值(1 bit); 1. 2. 3. 4. 5. 6. 7. 8. 9. GPIO初始化过程及使用方式 AI检测代码解析 初始化连接LED0的PA8引脚