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Reorganize HAL (#14832)

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This commit is contained in:
Scott Lahteine
2019-09-02 19:49:58 -05:00
committed by GitHub
parent cdd5056aba
commit 75efa3cdac
142 changed files with 547 additions and 422 deletions
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117
Marlin/src/HAL/HAL_STM32_F4_F7/STM32F4/timers.cpp Normal file
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/**
* Marlin 3D Printer Firmware
*
* Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
* Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
* Copyright (c) 2015-2016 Nico Tonnhofer wurstnase.reprap@gmail.com
*
* 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/>.
*
*/
#if defined(STM32GENERIC) && defined(STM32F4)
#include "../HAL.h"
#include "timers.h"
// ------------------------
// Local defines
// ------------------------
#define NUM_HARDWARE_TIMERS 2
#define STEP_TIMER_IRQ_ID TIM5_IRQn
#define TEMP_TIMER_IRQ_ID TIM7_IRQn
// ------------------------
// Private Variables
// ------------------------
stm32_timer_t TimerHandle[NUM_HARDWARE_TIMERS];
// ------------------------
// Public functions
// ------------------------
bool timers_initialized[NUM_HARDWARE_TIMERS] = {false};
void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency) {
if (!timers_initialized[timer_num]) {
constexpr uint32_t step_prescaler = STEPPER_TIMER_PRESCALE - 1,
temp_prescaler = TEMP_TIMER_PRESCALE - 1;
switch (timer_num) {
case STEP_TIMER_NUM:
// STEPPER TIMER TIM5 - use a 32bit timer
__HAL_RCC_TIM5_CLK_ENABLE();
TimerHandle[timer_num].handle.Instance = TIM5;
TimerHandle[timer_num].handle.Init.Prescaler = step_prescaler;
TimerHandle[timer_num].handle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimerHandle[timer_num].handle.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
TimerHandle[timer_num].callback = (uint32_t)TC5_Handler;
HAL_NVIC_SetPriority(STEP_TIMER_IRQ_ID, 1, 0);
break;
case TEMP_TIMER_NUM:
// TEMP TIMER TIM7 - any available 16bit Timer (1 already used for PWM)
__HAL_RCC_TIM7_CLK_ENABLE();
TimerHandle[timer_num].handle.Instance = TIM7;
TimerHandle[timer_num].handle.Init.Prescaler = temp_prescaler;
TimerHandle[timer_num].handle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimerHandle[timer_num].handle.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
TimerHandle[timer_num].callback = (uint32_t)TC7_Handler;
HAL_NVIC_SetPriority(TEMP_TIMER_IRQ_ID, 2, 0);
break;
}
timers_initialized[timer_num] = true;
}
TimerHandle[timer_num].handle.Init.Period = (((HAL_TIMER_RATE) / TimerHandle[timer_num].handle.Init.Prescaler) / frequency) - 1;
if (HAL_TIM_Base_Init(&TimerHandle[timer_num].handle) == HAL_OK)
HAL_TIM_Base_Start_IT(&TimerHandle[timer_num].handle);
}
extern "C" void TIM5_IRQHandler() {
((void(*)(void))TimerHandle[0].callback)();
}
extern "C" void TIM7_IRQHandler() {
((void(*)(void))TimerHandle[1].callback)();
}
void HAL_timer_enable_interrupt(const uint8_t timer_num) {
switch (timer_num) {
case STEP_TIMER_NUM: HAL_NVIC_EnableIRQ(STEP_TIMER_IRQ_ID); break;
case TEMP_TIMER_NUM: HAL_NVIC_EnableIRQ(TEMP_TIMER_IRQ_ID); break;
}
}
void HAL_timer_disable_interrupt(const uint8_t timer_num) {
switch (timer_num) {
case STEP_TIMER_NUM: HAL_NVIC_DisableIRQ(STEP_TIMER_IRQ_ID); break;
case TEMP_TIMER_NUM: HAL_NVIC_DisableIRQ(TEMP_TIMER_IRQ_ID); break;
}
// We NEED memory barriers to ensure Interrupts are actually disabled!
// ( https://dzone.com/articles/nvic-disabling-interrupts-on-arm-cortex-m-and-the )
__DSB();
__ISB();
}
bool HAL_timer_interrupt_enabled(const uint8_t timer_num) {
switch (timer_num) {
case STEP_TIMER_NUM: return NVIC->ISER[(uint32_t)((int32_t)STEP_TIMER_IRQ_ID) >> 5] & (uint32_t)(1 << ((uint32_t)((int32_t)STEP_TIMER_IRQ_ID) & (uint32_t)0x1F));
case TEMP_TIMER_NUM: return NVIC->ISER[(uint32_t)((int32_t)TEMP_TIMER_IRQ_ID) >> 5] & (uint32_t)(1 << ((uint32_t)((int32_t)TEMP_TIMER_IRQ_ID) & (uint32_t)0x1F));
}
return false;
}
#endif // STM32GENERIC && STM32F4