# 需要导入模块: from RPi import GPIO [as 别名]# 或者: from RPi.GPIO importsetFunction[as 别名]defsetup():# set as outputGPIO.setFunction(L1, GPIO.OUT) GPIO.setFunction(L2, GPIO.OUT) GPIO.setFunction(L3, GPIO.OUT) GPIO.setFunction(L4, GPIO.OUT) GPIO.setFunction(L5, GPIO.OUT) GPIO...
int GPIO_SetValue(int gpioFd, GPIO_Value_Type value); ParametersgpioFd The file descriptor for the GPIO. value The GPIO_Value value to set - GPIO_Value_High or GPIO_Value_Low.ErrorsReturns -1 if an error is encountered and sets errno to the error value.EINVAL: the value is not a GP...
intGPIO_SetValue(intgpioFd, GPIO_Value_Type value); 参数 gpioFdGPIO 的文件描述符。 value要设置GPIO_Value值 - GPIO_Value_High或GPIO_Value_Low。 错误 如果遇到错误并设置为errno错误值,则返回 -1。 EINVAL:value不是GPIO_Value。 EBADF:gpioFd无效。
msleep(LCD_VREG_ON_WAIT_MS);gpio_set_value_cansleep(gpio_lcd_reset,1); msleep(LCD_RESET_WAIT_MS);gpio_set_value_cansleep(gpio_lcd_reset,0); msleep(LCD_RESET_WAIT_MS);gpio_set_value_cansleep(gpio_lcd_reset,1); msleep(LCD_RESET_H_WAIT_MS_NT35565); }else{gpio_set_value_cansleep...
1. i.MX8 ADC_IN0 pin can't config to GPIO function, here is my dts pin config: SC_P_ADC_IN0_LSIO_GPIO3_IO18 0x1E000000 2. when as output function, pin value always 0; 3. when as input function, gpio value always 0 no matter what level at the pin connecte...
to inside function omap2_set_gpio_debounce() to avoid clk_enable_lock(), this will fix below issue: BUG: sleeping function called from invalid context at /kernel/locking/spinlock_rt.c:48 in_atomic(): 1, irqs_disabled(): 128, non_block: 0, pid: 1, name: swapper ...
The following is the sample terminal output when running example PWM_Waveform on RASPBERRY_PI_PICO, running Earle Philhower's arduino-pico core, to demonstrate how to use new setPWM_manual() function in wafeform creationStarting PWM_Waveform on RASPBERRY_PI_PICO RP2040_PWM v1.7.0 [PWM] _...
GPIO_SetValue Function We use optional cookies to improve your experience on our websites, such as through social media connections, and to display personalized advertising based on your online activity. If you reject optional cookies, only cookies necessary to provide you the services will be ...
The following is the sample terminal output when running example PWM_Waveform on RASPBERRY_PI_PICO, running Earle Philhower's arduino-pico core, to demonstrate how to use new setPWM_manual() function in wafeform creationStarting PWM_Waveform on RASPBERRY_PI_PICO RP2040_PWM v1.7.0 [PWM] _...
msleep(10);gpio_set_value(pn544_dev->ven_gpio,1); msleep(10);// 2. I2c writedprintk("%s Go To I2c write\n", __func__); ret =0; ret = i2c_master_send(pn544_client, EEDATA_WRITE,9);if(ret !=9) { dprintk(PN544_DRV_NAME":%s : i2c_master_send returned %d\n", __fun...