58 lines
2.4 KiB
C
58 lines
2.4 KiB
C
/**
|
|
* Marlin 3D Printer Firmware
|
|
* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
|
|
*
|
|
* Based on Sprinter and grbl.
|
|
* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
|
|
* Copyright (C) 2017 Victor Perez
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* Fast I/O interfaces for STM32F1
|
|
* These use GPIO functions instead of Direct Port Manipulation, as on AVR.
|
|
*/
|
|
|
|
#ifndef _FASTIO_STM32F1_H
|
|
#define _FASTIO_STM32F1_H
|
|
|
|
#include <libmaple/gpio.h>
|
|
|
|
#define READ(IO) (PIN_MAP[IO].gpio_device->regs->IDR & (1U << PIN_MAP[IO].gpio_bit) ? HIGH : LOW)
|
|
#define WRITE(IO, v) (PIN_MAP[IO].gpio_device->regs->BSRR = (1U << PIN_MAP[IO].gpio_bit) << (16 * !(bool)v))
|
|
#define TOGGLE(IO) (PIN_MAP[IO].gpio_device->regs->ODR = PIN_MAP[IO].gpio_device->regs->ODR ^ (1U << PIN_MAP[IO].gpio_bit))
|
|
#define WRITE_VAR(IO, v) WRITE(io, v)
|
|
|
|
#define _GET_MODE(IO) (gpio_get_mode(PIN_MAP[IO].gpio_device, PIN_MAP[IO].gpio_bit))
|
|
#define _SET_MODE(IO,M) do{ gpio_set_mode(PIN_MAP[IO].gpio_device, PIN_MAP[IO].gpio_bit, M); } while (0)
|
|
#define _SET_OUTPUT(IO) _SET_MODE(IO, GPIO_OUTPUT_PP)
|
|
|
|
#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) do{ _SET_OUTPUT(IO); WRITE(IO, LOW); }while(0)
|
|
|
|
#define GET_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 GET_OUTPUT(IO) (_GET_MODE(IO) == GPIO_OUTPUT_PP)
|
|
#define GET_TIMER(IO) (PIN_MAP[IO].timer_device != NULL)
|
|
|
|
#define OUT_WRITE(IO, v) { _SET_OUTPUT(IO); WRITE(IO, v); }
|
|
/**
|
|
* TODO: Write a macro to test if PIN is PWM or not.
|
|
*/
|
|
#define PWM_PIN(p) true
|
|
|
|
#endif // _FASTIO_STM32F1_H
|