STM32 FastIO using register access (#12276)
This commit is contained in:
Karl Andersson
Scott Lahteine
parent
56057bcecd
commit
1946f729fd
|
|
@ -80,10 +80,16 @@ uint16_t HAL_adc_result;
|
|||
// HAL initialization task
|
||||
void HAL_init(void) {
|
||||
|
||||
FastIO_init();
|
||||
|
||||
#if ENABLED(SDSUPPORT)
|
||||
OUT_WRITE(SDSS, HIGH); // Try to set SDSS inactive before any other SPI users start up
|
||||
#endif
|
||||
|
||||
#if PIN_EXISTS(LED)
|
||||
OUT_WRITE(LED_PIN, LOW);
|
||||
#endif
|
||||
|
||||
#if ENABLED(EEPROM_EMULATED_WITH_SRAM)
|
||||
// Enable access to backup SRAM
|
||||
__HAL_RCC_PWR_CLK_ENABLE();
|
||||
|
|
|
|||
34
Marlin/src/HAL/HAL_STM32/fastio_STM32.cpp
Normal file
34
Marlin/src/HAL/HAL_STM32/fastio_STM32.cpp
Normal file
|
|
@ -0,0 +1,34 @@
|
|||
/**
|
||||
* 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/>.
|
||||
*
|
||||
*/
|
||||
#ifdef ARDUINO_ARCH_STM32
|
||||
|
||||
#include "../../inc/MarlinConfig.h"
|
||||
|
||||
GPIO_TypeDef* FastIOPortMap[LastPort + 1];
|
||||
|
||||
void FastIO_init() {
|
||||
for (uint8_t i = 0; i < NUM_DIGITAL_PINS; i++)
|
||||
FastIOPortMap[STM_PORT(digitalPin[i])] = get_GPIO_Port(STM_PORT(digitalPin[i]));
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
@ -24,19 +24,49 @@
|
|||
|
||||
/**
|
||||
* Fast I/O interfaces for STM32
|
||||
* These use GPIO functions instead of Direct Port Manipulation, as on AVR.
|
||||
* These use GPIO register access for fast port manipulation.
|
||||
*/
|
||||
|
||||
#define _BV(b) (1 << (b))
|
||||
// --------------------------------------------------------------------------
|
||||
// Public Variables
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
#define READ(IO) digitalRead(IO)
|
||||
#define WRITE(IO,V) digitalWrite(IO,V)
|
||||
#define WRITE_VAR(IO,V) WRITE(IO,V)
|
||||
extern GPIO_TypeDef * FastIOPortMap[];
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
// Public functions
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
void FastIO_init(); // Must be called before using fast io macros
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
// Defines
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
#define _BV(b) (1 << (b))
|
||||
#define _BV32(b) (1UL << (b))
|
||||
|
||||
#if defined(STM32F0xx) || defined(STM32F1xx) || defined(STM32F3xx) || defined(STM32L0xx) || defined(STM32L4xx)
|
||||
#define _WRITE(IO, V) do { \
|
||||
if (V) FastIOPortMap[STM_PORT(digitalPin[IO])]->BSRR = _BV32(STM_PIN(digitalPin[IO])) ; \
|
||||
else FastIOPortMap[STM_PORT(digitalPin[IO])]->BRR = _BV32(STM_PIN(digitalPin[IO])) ; \
|
||||
} while(0)
|
||||
#else
|
||||
#define _WRITE(IO, V) (FastIOPortMap[STM_PORT(digitalPin[IO])]->BSRR = _BV32(STM_PIN(digitalPin[IO] + (V ? 0 : 16))))
|
||||
#endif
|
||||
|
||||
#define _READ(IO) bool(READ_BIT(FastIOPortMap[STM_PORT(digitalPin[IO])]->IDR, _BV32(STM_PIN(digitalPin[IO]))))
|
||||
#define _TOGGLE(IO) (FastIOPortMap[STM_PORT(digitalPin[IO])]->ODR ^= _BV32(STM_PIN(digitalPin[IO])))
|
||||
|
||||
#define _GET_MODE(IO)
|
||||
#define _SET_MODE(IO,M) pinMode(IO, M)
|
||||
#define _SET_OUTPUT(IO) pinMode(IO, OUTPUT) /*!< Output Push Pull Mode & GPIO_NOPULL */
|
||||
|
||||
#define WRITE_VAR(IO,V) _WRITE(IO,V)
|
||||
#define WRITE(IO,V) _WRITE(IO,V)
|
||||
#define READ(IO) _READ(IO)
|
||||
#define TOGGLE(IO) _TOGGLE(IO)
|
||||
|
||||
#define OUT_WRITE(IO,V) do{ _SET_OUTPUT(IO); WRITE(IO,V); }while(0)
|
||||
|
||||
#define SET_INPUT(IO) _SET_MODE(IO, INPUT) /*!< Input Floating Mode */
|
||||
|
|
@ -44,8 +74,6 @@
|
|||
#define SET_INPUT_PULLDOWN(IO) _SET_MODE(IO, INPUT_PULLDOWN) /*!< Input with Pull-down activation */
|
||||
#define SET_OUTPUT(IO) OUT_WRITE(IO, LOW)
|
||||
|
||||
#define TOGGLE(IO) OUT_WRITE(IO, !READ(IO))
|
||||
|
||||
#define GET_INPUT(IO)
|
||||
#define GET_OUTPUT(IO)
|
||||
#define GET_TIMER(IO)
|
||||
|
|
|
|||
|
|
@ -73,9 +73,9 @@
|
|||
#define CPU_ST7920_DELAY_2 DELAY_NS(0)
|
||||
#define CPU_ST7920_DELAY_3 DELAY_NS(189)
|
||||
#elif defined(ARDUINO_ARCH_STM32)
|
||||
#define CPU_ST7920_DELAY_1 DELAY_NS(0)
|
||||
#define CPU_ST7920_DELAY_2 DELAY_NS(0)
|
||||
#define CPU_ST7920_DELAY_3 DELAY_NS(0)
|
||||
#define CPU_ST7920_DELAY_1 DELAY_NS(300)
|
||||
#define CPU_ST7920_DELAY_2 DELAY_NS(40)
|
||||
#define CPU_ST7920_DELAY_3 DELAY_NS(340)
|
||||
#elif F_CPU == 16000000
|
||||
#define CPU_ST7920_DELAY_1 DELAY_NS(0)
|
||||
#define CPU_ST7920_DELAY_2 DELAY_NS(0)
|
||||
|
|
|
|||
Loading…
Reference in a new issue