228 lines
5.9 KiB
C++
228 lines
5.9 KiB
C++
/**
|
|
* 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
|
|
* 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/>.
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* HAL for stm32duino.com based on Libmaple and compatible (STM32F1)
|
|
*/
|
|
|
|
#ifdef __STM32F1__
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Includes
|
|
// --------------------------------------------------------------------------
|
|
|
|
#include "../HAL.h"
|
|
#include <STM32ADC.h>
|
|
|
|
//#include <Wire.h>
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Externals
|
|
// --------------------------------------------------------------------------
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Local defines
|
|
// --------------------------------------------------------------------------
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Types
|
|
// --------------------------------------------------------------------------
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Variables
|
|
// --------------------------------------------------------------------------
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Public Variables
|
|
// --------------------------------------------------------------------------
|
|
|
|
uint16_t HAL_adc_result;
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Private Variables
|
|
// --------------------------------------------------------------------------
|
|
STM32ADC adc(ADC1);
|
|
|
|
uint8 adc_pins[] = {
|
|
#if HAS_TEMP_0
|
|
TEMP_0_PIN,
|
|
#endif
|
|
#if HAS_TEMP_1
|
|
TEMP_1_PIN
|
|
#endif
|
|
#if HAS_TEMP_2
|
|
TEMP_2_PIN,
|
|
#endif
|
|
#if HAS_TEMP_3
|
|
TEMP_3_PIN,
|
|
#endif
|
|
#if HAS_TEMP_4
|
|
TEMP_4_PIN,
|
|
#endif
|
|
#if HAS_TEMP_BED
|
|
TEMP_BED_PIN,
|
|
#endif
|
|
#if ENABLED(FILAMENT_WIDTH_SENSOR)
|
|
FILWIDTH_PIN,
|
|
#endif
|
|
};
|
|
|
|
enum TEMP_PINS : char {
|
|
#if HAS_TEMP_0
|
|
TEMP_0,
|
|
#endif
|
|
#if HAS_TEMP_1
|
|
TEMP_1,
|
|
#endif
|
|
#if HAS_TEMP_2
|
|
TEMP_2,
|
|
#endif
|
|
#if HAS_TEMP_3
|
|
TEMP_3,
|
|
#endif
|
|
#if HAS_TEMP_4
|
|
TEMP_4,
|
|
#endif
|
|
#if HAS_TEMP_BED
|
|
TEMP_BED,
|
|
#endif
|
|
#if ENABLED(FILAMENT_WIDTH_SENSOR)
|
|
FILWIDTH,
|
|
#endif
|
|
ADC_PIN_COUNT
|
|
};
|
|
|
|
uint16_t HAL_adc_results[ADC_PIN_COUNT];
|
|
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Function prototypes
|
|
// --------------------------------------------------------------------------
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Private functions
|
|
// --------------------------------------------------------------------------
|
|
|
|
// --------------------------------------------------------------------------
|
|
// Public functions
|
|
// --------------------------------------------------------------------------
|
|
|
|
/* VGPV Done with defines
|
|
// disable interrupts
|
|
void cli(void) { noInterrupts(); }
|
|
|
|
// enable interrupts
|
|
void sei(void) { interrupts(); }
|
|
*/
|
|
|
|
void HAL_clear_reset_source(void) { }
|
|
|
|
/**
|
|
* TODO: Check this and change or remove.
|
|
* currently returns 1 that's equal to poweron reset.
|
|
*/
|
|
uint8_t HAL_get_reset_source(void) { return 1; }
|
|
|
|
void _delay_ms(const int delay_ms) { delay(delay_ms); }
|
|
|
|
extern "C" {
|
|
extern unsigned int _ebss; // end of bss section
|
|
}
|
|
|
|
/**
|
|
* TODO: Change this to correct it for libmaple
|
|
*/
|
|
|
|
// return free memory between end of heap (or end bss) and whatever is current
|
|
|
|
/*
|
|
#include "wirish/syscalls.c"
|
|
//extern caddr_t _sbrk(int incr);
|
|
#ifndef CONFIG_HEAP_END
|
|
extern char _lm_heap_end;
|
|
#define CONFIG_HEAP_END ((caddr_t)&_lm_heap_end)
|
|
#endif
|
|
|
|
extern "C" {
|
|
static int freeMemory() {
|
|
char top = 't';
|
|
return &top - reinterpret_cast<char*>(sbrk(0));
|
|
}
|
|
int freeMemory() {
|
|
int free_memory;
|
|
int heap_end = (int)_sbrk(0);
|
|
free_memory = ((int)&free_memory) - ((int)heap_end);
|
|
return free_memory;
|
|
}
|
|
}
|
|
*/
|
|
|
|
// --------------------------------------------------------------------------
|
|
// ADC
|
|
// --------------------------------------------------------------------------
|
|
// Init the AD in continuous capture mode
|
|
void HAL_adc_init(void) {
|
|
// configure the ADC
|
|
adc.calibrate();
|
|
adc.setSampleRate(ADC_SMPR_41_5); // ?
|
|
adc.setPins(adc_pins, ADC_PIN_COUNT);
|
|
adc.setDMA(HAL_adc_results, (uint16_t)ADC_PIN_COUNT, (uint32_t)(DMA_MINC_MODE | DMA_CIRC_MODE), (void (*)())NULL);
|
|
adc.setScanMode();
|
|
adc.setContinuous();
|
|
adc.startConversion();
|
|
}
|
|
|
|
void HAL_adc_start_conversion(const uint8_t adc_pin) {
|
|
TEMP_PINS pin_index;
|
|
switch (adc_pin) {
|
|
#if HAS_TEMP_0
|
|
case TEMP_0_PIN: pin_index = TEMP_0; break;
|
|
#endif
|
|
#if HAS_TEMP_1
|
|
case TEMP_1_PIN: pin_index = TEMP_1; break;
|
|
#endif
|
|
#if HAS_TEMP_2
|
|
case TEMP_2_PIN: pin_index = TEMP_2; break;
|
|
#endif
|
|
#if HAS_TEMP_3
|
|
case TEMP_3_PIN: pin_index = TEMP_3; break;
|
|
#endif
|
|
#if HAS_TEMP_4
|
|
case TEMP_4_PIN: pin_index = TEMP_4; break;
|
|
#endif
|
|
#if HAS_TEMP_BED
|
|
case TEMP_BED_PIN: pin_index = TEMP_BED; break;
|
|
#endif
|
|
#if ENABLED(FILAMENT_WIDTH_SENSOR)
|
|
case FILWIDTH_PIN: pin_index = FILWIDTH; break;
|
|
#endif
|
|
}
|
|
HAL_adc_result = (HAL_adc_results[(int)pin_index] >> 2) & 0x3FF; // shift to get 10 bits only.
|
|
}
|
|
|
|
uint16_t HAL_adc_get_result(void) {
|
|
return HAL_adc_result;
|
|
}
|
|
|
|
#endif // __STM32F1__
|