gpio_direction_input(GPIO_E04);/* Set up the GPIO used to enable the audio codec. */gpio_set_pull(GPIO_X17, GPIO_PULL_NONE);gpio_set_pull(GPIO_X15, GPIO_PULL_NONE); gpio_direction_output(GPIO_X17,1); gpio_direction_output(GPIO_X15,1);/* Set up the I2S busses. */exynos_pinm...
gpio_set_pull_mode()'s purpose is to call the pullup/pulldown en/dis calls for you so no need to call gpio_pullup_en yourself... Code:Select all switch(pull) {caseGPIO_PULLUP_ONLY: gpio_pulldown_dis(gpio_num); gpio_pullup_en(gpio_num);break;caseGPIO_PULLDOWN_ONLY: gpio_pull...
if i set up in hardware the pushbutton connector one with pullup resistor then i get the high level if i push the button, then i get the low level. this work in HW , but not in SW #define BUTTON1 GPIO_NUM_34 #define BUTTON2 GPIO_NUM_35 ...
mt_set_gpio_out(GPIO_EXT_MD_META,0);#endifmt_set_gpio_out(GPIO_EXT_MD_PWR_KEY,0);//EMD_MSG_INF("chr","cm_do_md_power_off:GPIO_EXT_MD_PWR_KEY(%d)2\n",mt_get_gpio_out(GPIO_EXT_MD_PWR_KEY));mt_set_gpio_dir(GPIO_EXT_MD_WK_AP,0);mt_set_gpio_pull_enable(GPIO_EXT_M...
HAL_GPIO_WritePin(GPIOC,GPIO_PIN_13,GPIO_PIN_RESET); /*Configure GPIO pin : PC13 */ GPIO_InitTypeDef GPIO_InitStruct = {0}; GPIO_InitStruct.Pin = GPIO_PIN_13; GPIO_InitStruct.Mode=GPIO_MODE_OUTPUT_PP; GPIO_InitStruct.Pull = GPIO_NOPULL;GPIO_Ini...
In the "Component Inspector" (pin_mux:PinSettings) i'm able to set the GPIO's Input/Output (SIUL2 Mask) The Pin component (pin_mux:PinSettings) is offering me some functions which i can drag'n drop into my code.Now i want to set a GPIO resistor pull-down or no-pull, active ...
I have a condition where after filling the required parameters to a gpio_config_t variable, specifically stating that I want a PULLUP on an Output pin, AND AND, having an external pull up resistor 1K (for good measure in case the pin does not have a pull-up), when the call is made...
(s3c2410_gpio_pullup); - void s3c2410_gpio_setpin(unsigned int pin, unsigned int to) { - void __iomem *base = S3C24XX_GPIO_BASE(pin); - unsigned long offs = S3C2410_GPIO_OFFSET(pin); - unsigned long flags; - unsigned long dat; + /* do this via gpiolib until all users ...
GPIO Control Register uses 2 bits to specify gpio pin function. This results in 4 possible values: 0: GPIO input mode. 1: GPIO output mode. 2: Reserved 3: Reserved It may be noted, that only low bit is used to specify pin function. High bit is reserved and should be zero. ...
Hi' an GPIO ,set it to input in HDL, but leave it floating in hardware, I can sample it toggle in signalTAP if without week pull-up resistor. Why?