GPIO_DIS_OUTPUT(GPIO_ID_PIN(12)); Step 3) 获取 MTDI 管脚的电平状态 Uint8 level = 0; level = GPIO_INPUT_GET(GPIO_ID_PIN(12)); GPIO_INPUT_GET(GPIO_ID_PIN(12)) 语句实际是获取 GPIO_IN 寄存器第 12 位的状态,该寄存器的值反映的是对应的管脚的输入电平(必须使能对应的管脚的输入功能,该寄...
GPIO_INT_TYPE intr_state:中断触发方式; GPIO_PIN_INTR_DISABLE = 0 //不触发中断 GPIO_PIN_INTR_POSEDGE = 1 //上升沿触发中断 GPIO_PIN_INTR_NEGEDGE = 2 //下降沿触发中断 GPIO_PIN_INTR_ANYEDGE = 3 //双边沿触发中断 GPIO_PIN_INTR_LOLEVEL = 4 //低电平触发中断 GPIO_PIN_INTR_HILEVEL = ...
35}36os_timer_arm(&key_read_timer,10,true);//使能定时器37}3839/**40*按键中断服务函数,高电平触发41*/42staticvoidICACHE_FLASH_ATTR43key_intr_handler(void){44uint32 gpio_status = GPIO_REG_READ(GPIO_STATUS_ADDRESS);//读取GPIO寄存器状态,获取中断信息45uint8 level =0;46GPIO_REG_WRITE(GPIO...
uint32 gpio_status= GPIO_REG_READ(GPIO_STATUS_ADDRESS);//读取GPIO状态寄存器,获取中断信息GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS, gpio_status);//清除中断信息if(gpio_status & (BIT(0)))//GPIO0产生的中断{if(!GPIO_INPUT_GET(0))//GPIO0是低电平 GPIO0确实是下降沿产生了中断{ os_printf("...
;//使能定时器}/***按键中断服务函数,高电平触发*/staticvoidICACHE_FLASH_ATTRkey_intr_handler(void){uint32gpio_status=GPIO_REG_READ(GPIO_STATUS_ADDRESS);//读取GPIO寄存器状态,获取中断信息uint8level=0;GPIO_REG_WRITE(GPIO_STATUS_ADDRESS,gpio_status);//清楚中断信息if(gpio_status&(BIT(15))){/...
i2c_master.c：115：20：错误：“GPIO_ENABLE_ADDRESS”未声明（在此函数中首次使用）GPIO_REG_WRITE(...
GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS, status); //清除GPIO中断 } 打开关闭GPIO中断宏定义 #define ETS_GPIO_INTR_ENABLE() _xt_isr_unmask(1 << ETS_GPIO_INUM)//打开IO口中断#define ETS_GPIO_INTR_DISABLE() _xt_isr_mask(1 << ETS_GPIO_INUM) //关闭IO口中断 ...
i2c_master.c:114:158:错误:“GPIO_PAD_DRIVER_ENABLE”未声明(在此函数中首次使用) GPIO_REG_WRITE(GPIO_PIN_ADDR(GPIO_ID_PIN(I2C_MASTER_SDA_GPIO)), GPIO_REG_READ(GPIO_PIN_ADDR(GPIO_ID_PIN(I2C_MASTER_SDA_GPIO))) | GPIO_PIN_PAD_DRIVER_SET(GPIO_PAD_DRIVER_ENABLE)); //open drain; ^...
GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS,gpio_status&BIT(hwx)); gpio_pin_intr_state_set(GPIO_ID_PIN(hwx),GPIO_PIN_INTR_DISABLE); } //计数时间清0 while(!GPIO_INPUT_GET(hwx)){ os_delay_us(100); ly_ct++; } if(ly_ct<80||ly_ct>100){ ...
模式下，CPU 在暂停状态下不会响应来自**硬件接口的信号与中断，因此需要配置通过外部 GPIO 信号将 ESP...