2ec4113cb2
Some to correct missing files from previous PR to completely avoid HardwareTimer Class (reduce overhead). Some changes to formatting. Changes to DMA ADC to work correctly. Change to F1 sanity check.
58 lines
2.4 KiB
C
58 lines
2.4 KiB
C
/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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* Copyright (C) 2017 Victor Perez
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/**
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* Fast I/O interfaces for STM32F1
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* These use GPIO functions instead of Direct Port Manipulation, as on AVR.
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*/
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#ifndef _FASTIO_STM32F1_H
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#define _FASTIO_STM32F1_H
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#include <libmaple/gpio.h>
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#define READ(IO) (PIN_MAP[IO].gpio_device->regs->IDR & (1U << PIN_MAP[IO].gpio_bit) ? HIGH : LOW)
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#define WRITE(IO, v) (PIN_MAP[IO].gpio_device->regs->BSRR = (1U << PIN_MAP[IO].gpio_bit) << (16 * !(bool)v))
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#define TOGGLE(IO) (PIN_MAP[IO].gpio_device->regs->ODR = PIN_MAP[IO].gpio_device->regs->ODR ^ (1U << PIN_MAP[IO].gpio_bit))
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#define WRITE_VAR(IO, v) WRITE(io, v)
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#define _GET_MODE(IO) (gpio_get_mode(PIN_MAP[IO].gpio_device, PIN_MAP[IO].gpio_bit))
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#define _SET_MODE(IO,M) do{ gpio_set_mode(PIN_MAP[IO].gpio_device, PIN_MAP[IO].gpio_bit, M); } while (0)
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#define _SET_OUTPUT(IO) _SET_MODE(IO, GPIO_OUTPUT_PP)
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#define SET_INPUT(IO) _SET_MODE(IO, GPIO_INPUT_FLOATING)
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#define SET_INPUT_PULLUP(IO) _SET_MODE(IO, GPIO_INPUT_PU)
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#define SET_OUTPUT(IO) do{ _SET_OUTPUT(IO); WRITE(IO, LOW); }while(0)
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#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)
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#define GET_OUTPUT(IO) (_GET_MODE(IO) == GPIO_OUTPUT_PP)
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#define GET_TIMER(IO) (PIN_MAP[IO].timer_device != NULL)
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#define OUT_WRITE(IO, v) { _SET_OUTPUT(IO); WRITE(IO, v); }
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/*
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* TODO: Write a macro to test if PIN is PWM or not.
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*/
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#define PWM_PIN(p) true
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#endif /* _FASTIO_STM32F1_H */
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