From 5616581eb147e1ff5a364e24514cf0bda3d14284 Mon Sep 17 00:00:00 2001 From: Chris Pepper Date: Mon, 2 Jul 2018 05:02:38 +0100 Subject: [PATCH] [LPC176x] Update fastio _GET_INPUT, _GET_OUTPUT macros (#11168) --- Marlin/src/HAL/HAL_LPC1768/fastio.h | 18 ++++-------------- 1 file changed, 4 insertions(+), 14 deletions(-) diff --git a/Marlin/src/HAL/HAL_LPC1768/fastio.h b/Marlin/src/HAL/HAL_LPC1768/fastio.h index 891cbde6fb..5f55f73c86 100644 --- a/Marlin/src/HAL/HAL_LPC1768/fastio.h +++ b/Marlin/src/HAL/HAL_LPC1768/fastio.h @@ -88,25 +88,15 @@ bool useable_hardware_PWM(pin_t pin); /// set pin as input with pulldown mode #define _PULLDOWN(IO,V) pinMode(IO, (V) ? INPUT_PULLDOWN : INPUT) -// hg42: all pins can be input or output (I hope) -// hg42: undefined pins create compile error (IO, is no pin) -// hg42: currently not used, but was used by pinsDebug - /// check if pin is an input -#define _GET_INPUT(IO) (LPC1768_PIN_PIN(IO) >= 0) +#define _GET_INPUT(IO) (LPC_GPIO(LPC1768_PIN_PORT(IO))->FIODIR & LPC_PIN(LPC1768_PIN_PIN(IO)) != 0) /// check if pin is an output -#define _GET_OUTPUT(IO) (LPC1768_PIN_PIN(IO) >= 0) - -// hg42: GET_TIMER is used only to check if it's a PWM pin -// hg42: we cannot use USEABLE_HARDWARE_PWM because it uses a function that cannot be used statically -// hg42: instead use PWM bit from the #define +#define _GET_OUTPUT(IO) (LPC_GPIO(LPC1768_PIN_PORT(IO))->FIODIR & LPC_PIN(LPC1768_PIN_PIN(IO)) == 0) /// check if pin is a timer -#define _GET_TIMER(IO) TRUE // could be LPC1768_PIN_PWM(IO), but there -// hg42: could be this: -// #define _GET_TIMER(IO) LPC1768_PIN_PWM(IO) -// but this is an incomplete check (12 pins are PWMable, but only 6 can be used at the same time) +/// all gpio pins are pwm capable, either interrupt or hardware pwm controlled +#define _GET_TIMER(IO) TRUE /// Read a pin wrapper #define READ(IO) _READ(IO)