From 256f810df2f3bb1c0a8cdc1119140fc6138400d9 Mon Sep 17 00:00:00 2001 From: Tanguy Pruvot Date: Sat, 18 May 2019 23:12:00 +0200 Subject: [PATCH] Add open-drain output mode to STM32F1 FastIO (#14050) - This mode is often used/preferred to drive printer boards' MOSFETs. - Can generally boost the allowed output power (for hotbed,nozzle and fans). --- Marlin/src/HAL/HAL_STM32F1/fastio_STM32F1.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/Marlin/src/HAL/HAL_STM32F1/fastio_STM32F1.h b/Marlin/src/HAL/HAL_STM32F1/fastio_STM32F1.h index 3be152d375..12cda51459 100644 --- a/Marlin/src/HAL/HAL_STM32F1/fastio_STM32F1.h +++ b/Marlin/src/HAL/HAL_STM32F1/fastio_STM32F1.h @@ -37,13 +37,16 @@ #define _GET_MODE(IO) gpio_get_mode(PIN_MAP[IO].gpio_device, PIN_MAP[IO].gpio_bit) #define _SET_MODE(IO,M) gpio_set_mode(PIN_MAP[IO].gpio_device, PIN_MAP[IO].gpio_bit, M) #define _SET_OUTPUT(IO) _SET_MODE(IO, GPIO_OUTPUT_PP) +#define _SET_OUTPUT_OD(IO) _SET_MODE(IO, GPIO_OUTPUT_OD) -#define OUT_WRITE(IO,V) do{ _SET_OUTPUT(IO); WRITE(IO,V); }while(0) +#define OUT_WRITE(IO,V) do{ _SET_OUTPUT(IO); WRITE(IO,V); } while(0) +#define OUT_WRITE_OD(IO,V) do{ _SET_OUTPUT_OD(IO); WRITE(IO,V); } while(0) #define SET_INPUT(IO) _SET_MODE(IO, GPIO_INPUT_FLOATING) #define SET_INPUT_PULLUP(IO) _SET_MODE(IO, GPIO_INPUT_PU) #define SET_OUTPUT(IO) OUT_WRITE(IO, LOW) #define SET_PWM(IO) pinMode(IO, PWM) // do{ gpio_set_mode(PIN_MAP[pin].gpio_device, PIN_MAP[pin].gpio_bit, GPIO_AF_OUTPUT_PP); timer_set_mode(PIN_MAP[pin].timer_device, PIN_MAP[pin].timer_channel, TIMER_PWM); }while(0) +#define SET_PWM_OD(IO) pinMode(IO, PWM_OPEN_DRAIN) #define IS_INPUT(IO) (_GET_MODE(IO) == GPIO_INPUT_FLOATING || _GET_MODE(IO) == GPIO_INPUT_ANALOG || _GET_MODE(IO) == GPIO_INPUT_PU || _GET_MODE(IO) == GPIO_INPUT_PD) #define IS_OUTPUT(IO) (_GET_MODE(IO) == GPIO_OUTPUT_PP)