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.
227 lines
5.9 KiB
C++
227 lines
5.9 KiB
C++
/**
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* Marlin 3D Printer Firmware
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*
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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* Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
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* Copyright (c) 2015-2016 Nico Tonnhofer wurstnase.reprap@gmail.com
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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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* HAL for stm32duino.com based on Libmaple and compatible (STM32F1)
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*/
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#ifdef __STM32F1__
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// --------------------------------------------------------------------------
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// Includes
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// --------------------------------------------------------------------------
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#include "../HAL.h"
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#include <STM32ADC.h>
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//#include <Wire.h>
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// --------------------------------------------------------------------------
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// Externals
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// --------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Local defines
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// --------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Types
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// --------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Variables
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// --------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Public Variables
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// --------------------------------------------------------------------------
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uint16_t HAL_adc_result;
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// --------------------------------------------------------------------------
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// Private Variables
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// --------------------------------------------------------------------------
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STM32ADC adc(ADC1);
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uint8 adc_pins[] = {
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#if HAS_TEMP_0
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TEMP_0_PIN,
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#endif
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#if HAS_TEMP_1
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TEMP_1_PIN
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#endif
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#if HAS_TEMP_2
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TEMP_2_PIN,
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#endif
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#if HAS_TEMP_3
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TEMP_3_PIN,
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#endif
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#if HAS_TEMP_4
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TEMP_4_PIN,
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#endif
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#if HAS_TEMP_BED
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TEMP_BED_PIN,
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#endif
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#if ENABLED(FILAMENT_WIDTH_SENSOR)
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FILWIDTH_PIN,
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#endif
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};
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enum TEMP_PINS {
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#if HAS_TEMP_0
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TEMP_0,
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#endif
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#if HAS_TEMP_1
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TEMP_1,
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#endif
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#if HAS_TEMP_2
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TEMP_2,
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#endif
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#if HAS_TEMP_3
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TEMP_3,
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#endif
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#if HAS_TEMP_4
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TEMP_4,
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#endif
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#if HAS_TEMP_BED
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TEMP_BED,
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#endif
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#if ENABLED(FILAMENT_WIDTH_SENSOR)
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FILWIDTH,
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#endif
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ADC_PIN_COUNT
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};
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uint16_t HAL_adc_results[ADC_PIN_COUNT];
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// --------------------------------------------------------------------------
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// Function prototypes
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// --------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Private functions
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// --------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Public functions
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// --------------------------------------------------------------------------
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/* VGPV Done with defines
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// disable interrupts
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void cli(void) { noInterrupts(); }
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// enable interrupts
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void sei(void) { interrupts(); }
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*/
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void HAL_clear_reset_source(void) { }
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/**
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* TODO: Check this and change or remove.
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* currently returns 1 that's equal to poweron reset.
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*/
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uint8_t HAL_get_reset_source(void) { return 1; }
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void _delay_ms(const int delay_ms) { delay(delay_ms); }
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extern "C" {
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extern unsigned int _ebss; // end of bss section
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}
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/**
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* TODO: Change this to correct it for libmaple
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*/
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// return free memory between end of heap (or end bss) and whatever is current
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/*
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#include "wirish/syscalls.c"
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//extern caddr_t _sbrk(int incr);
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#ifndef CONFIG_HEAP_END
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extern char _lm_heap_end;
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#define CONFIG_HEAP_END ((caddr_t)&_lm_heap_end)
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#endif
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extern "C" {
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static int freeMemory() {
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char top = 't';
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return &top - reinterpret_cast<char*>(sbrk(0));
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}
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int freeMemory() {
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int free_memory;
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int heap_end = (int)_sbrk(0);
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free_memory = ((int)&free_memory) - ((int)heap_end);
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return free_memory;
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}
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}
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*/
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// --------------------------------------------------------------------------
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// ADC
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// --------------------------------------------------------------------------
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// Init the AD in continuous capture mode
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void HAL_adc_init(void) {
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// configure the ADC
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adc.calibrate();
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adc.setSampleRate(ADC_SMPR_41_5); // ?
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adc.setPins(adc_pins, ADC_PIN_COUNT);
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adc.setDMA(HAL_adc_results, (uint16_t)ADC_PIN_COUNT, (uint32_t)(DMA_MINC_MODE | DMA_CIRC_MODE), (void (*)())NULL);
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adc.setScanMode();
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adc.setContinuous();
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adc.startConversion();
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}
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void HAL_adc_start_conversion(const uint8_t adc_pin) {
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TEMP_PINS pin_index;
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switch (adc_pin) {
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#if HAS_TEMP_0
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case TEMP_0_PIN: pin_index = TEMP_0; break;
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#endif
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#if HAS_TEMP_1
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case TEMP_1_PIN: pin_index = TEMP_1; break;
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#endif
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#if HAS_TEMP_2
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case TEMP_2_PIN: pin_index = TEMP_2; break;
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#endif
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#if HAS_TEMP_3
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case TEMP_3_PIN: pin_index = TEMP_3; break;
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#endif
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#if HAS_TEMP_4
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case TEMP_4_PIN: pin_index = TEMP_4; break;
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#endif
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#if HAS_TEMP_BED
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case TEMP_BED_PIN: pin_index = TEMP_BED; break;
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#endif
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#if ENABLED(FILAMENT_WIDTH_SENSOR)
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case FILWIDTH_PIN: pin_index = FILWIDTH; break;
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#endif
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}
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HAL_adc_result = (HAL_adc_results[(int)pin_index] >> 2) & 0x3FF; // shift to get 10 bits only.
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}
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uint16_t HAL_adc_get_result(void) {
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return HAL_adc_result;
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}
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#endif // __STM32F1__
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