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Add support for STM32F7 MCU

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This commit is contained in:
Morten
2018-01-11 22:29:08 +01:00
committed by Scott Lahteine
parent a27fa80a7e
commit a0246c5c96
32 changed files with 7633 additions and 10 deletions
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154
Marlin/src/HAL/HAL_STM32F7/HAL_timers_STM32F7.cpp Normal file
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/**
* Marlin 3D Printer Firmware
*
* Copyright (C) 2016 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/>.
*
*/
#ifdef STM32F7
// --------------------------------------------------------------------------
// Includes
// --------------------------------------------------------------------------
#include "../HAL.h"
#include "HAL_timers_STM32F7.h"
// --------------------------------------------------------------------------
// Externals
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
// Local defines
// --------------------------------------------------------------------------
#define NUM_HARDWARE_TIMERS 2
//#define PRESCALER 1
// --------------------------------------------------------------------------
// Types
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
// Public Variables
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
// Private Variables
// --------------------------------------------------------------------------
tTimerConfig timerConfig[NUM_HARDWARE_TIMERS];
// --------------------------------------------------------------------------
// Function prototypes
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
// Private functions
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
// Public functions
// --------------------------------------------------------------------------
bool timers_initialised[NUM_HARDWARE_TIMERS] = {false};
void HAL_timer_start(uint8_t timer_num, uint32_t frequency) {
if(!timers_initialised[timer_num]) {
switch (timer_num) {
case STEP_TIMER_NUM:
//STEPPER TIMER TIM5 //use a 32bit timer
__HAL_RCC_TIM5_CLK_ENABLE();
timerConfig[0].timerdef.Instance = TIM5;
timerConfig[0].timerdef.Init.Prescaler = (STEPPER_TIMER_PRESCALE);
timerConfig[0].timerdef.Init.CounterMode = TIM_COUNTERMODE_UP;
timerConfig[0].timerdef.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
timerConfig[0].IRQ_Id = TIM5_IRQn;
timerConfig[0].callback = (uint32_t)TC5_Handler;
HAL_NVIC_SetPriority(timerConfig[0].IRQ_Id, 1, 0);
pinMode(STEPPER_ENABLE_PIN,OUTPUT);
digitalWrite(STEPPER_ENABLE_PIN,LOW);
break;
case TEMP_TIMER_NUM:
//TEMP TIMER TIM7 // any available 16bit Timer (1 already used for PWM)
__HAL_RCC_TIM7_CLK_ENABLE();
timerConfig[1].timerdef.Instance = TIM7;
timerConfig[1].timerdef.Init.Prescaler = (TEMP_TIMER_PRESCALE);
timerConfig[1].timerdef.Init.CounterMode = TIM_COUNTERMODE_UP;
timerConfig[1].timerdef.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
timerConfig[1].IRQ_Id = TIM7_IRQn;
timerConfig[1].callback = (uint32_t)TC7_Handler;
HAL_NVIC_SetPriority(timerConfig[1].IRQ_Id, 2, 0);
break;
}
timers_initialised[timer_num] = true;
}
timerConfig[timer_num].timerdef.Init.Period = ((HAL_TIMER_RATE / timerConfig[timer_num].timerdef.Init.Prescaler) / (frequency)) - 1;
if(HAL_TIM_Base_Init(&timerConfig[timer_num].timerdef) == HAL_OK ){
HAL_TIM_Base_Start_IT(&timerConfig[timer_num].timerdef);
}
}
//forward the interrupt
extern "C" void TIM5_IRQHandler()
{
((void(*)(void))timerConfig[0].callback)();
}
extern "C" void TIM7_IRQHandler()
{
((void(*)(void))timerConfig[1].callback)();
}
void HAL_timer_set_count (uint8_t timer_num, uint32_t count) {
__HAL_TIM_SetAutoreload(&timerConfig[timer_num].timerdef, count);
}
void HAL_timer_set_current_count (uint8_t timer_num, uint32_t count) {
__HAL_TIM_SetAutoreload(&timerConfig[timer_num].timerdef, count);
}
void HAL_timer_enable_interrupt (uint8_t timer_num) {
HAL_NVIC_EnableIRQ(timerConfig[timer_num].IRQ_Id);
}
void HAL_timer_disable_interrupt (uint8_t timer_num) {
HAL_NVIC_DisableIRQ(timerConfig[timer_num].IRQ_Id);
}
hal_timer_t HAL_timer_get_count (uint8_t timer_num) {
return __HAL_TIM_GetAutoreload(&timerConfig[timer_num].timerdef);
}
uint32_t HAL_timer_get_current_count(uint8_t timer_num) {
return __HAL_TIM_GetCounter(&timerConfig[timer_num].timerdef);
}
void HAL_timer_isr_prologue (uint8_t timer_num) {
if (__HAL_TIM_GET_FLAG(&timerConfig[timer_num].timerdef, TIM_FLAG_UPDATE) == SET) {
__HAL_TIM_CLEAR_FLAG(&timerConfig[timer_num].timerdef, TIM_FLAG_UPDATE);
}
}
#endif