[2.0.x] STM32F7 HAL using the official STM32 Arduino Core

Marlin/src/HAL/HAL_STM32/HAL.cpp

@@ -0,0 +1,126 @@
+/**
+ * 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/>.
+ *
+ */
+
+#ifdef ARDUINO_ARCH_STM32
+
+// --------------------------------------------------------------------------
+// Includes
+// --------------------------------------------------------------------------
+
+#include "HAL.h"
+
+#if ENABLED(EEPROM_EMULATED_WITH_SRAM)
+  #if STM32F7xx
+    #include "stm32f7xx_ll_pwr.h"
+  #else
+    #error "EEPROM_EMULATED_WITH_SRAM is currently only supported for STM32F7xx"
+  #endif
+#endif // EEPROM_EMULATED_WITH_SRAM
+
+// --------------------------------------------------------------------------
+// Externals
+// --------------------------------------------------------------------------
+
+// --------------------------------------------------------------------------
+// Local defines
+// --------------------------------------------------------------------------
+
+// --------------------------------------------------------------------------
+// Types
+// --------------------------------------------------------------------------
+
+// --------------------------------------------------------------------------
+// Variables
+// --------------------------------------------------------------------------
+
+// --------------------------------------------------------------------------
+// Public Variables
+// --------------------------------------------------------------------------
+
+uint16_t HAL_adc_result;
+
+// --------------------------------------------------------------------------
+// Private Variables
+// --------------------------------------------------------------------------
+
+// --------------------------------------------------------------------------
+// Function prototypes
+// --------------------------------------------------------------------------
+
+// --------------------------------------------------------------------------
+// Private functions
+// --------------------------------------------------------------------------
+
+// --------------------------------------------------------------------------
+// Public functions
+// --------------------------------------------------------------------------
+
+// HAL initialization task
+void HAL_init(void) {
+
+  #if ENABLED(SDSUPPORT)
+    OUT_WRITE(SDSS, HIGH); // Try to set SDSS inactive before any other SPI users start up
+  #endif
+
+  #if ENABLED(EEPROM_EMULATED_WITH_SRAM)
+  // Enable access to backup SRAM
+  __HAL_RCC_PWR_CLK_ENABLE();
+  HAL_PWR_EnableBkUpAccess();
+  __HAL_RCC_BKPSRAM_CLK_ENABLE();
+
+  // Enable backup regulator
+  LL_PWR_EnableBkUpRegulator();
+  // Wait until backup regulator is initialized
+  while (!LL_PWR_IsActiveFlag_BRR());
+  #endif // EEPROM_EMULATED_SRAM
+}
+
+void HAL_clear_reset_source(void) { __HAL_RCC_CLEAR_RESET_FLAGS(); }
+
+uint8_t HAL_get_reset_source (void) {
+  if (__HAL_RCC_GET_FLAG(RCC_FLAG_IWDGRST) != RESET) return RST_WATCHDOG;
+  if (__HAL_RCC_GET_FLAG(RCC_FLAG_SFTRST) != RESET)  return RST_SOFTWARE;
+  if (__HAL_RCC_GET_FLAG(RCC_FLAG_PINRST) != RESET)  return RST_EXTERNAL;
+  if (__HAL_RCC_GET_FLAG(RCC_FLAG_PORRST) != RESET)  return RST_POWER_ON;
+  return 0;
+}
+
+void _delay_ms(const int delay_ms) { delay(delay_ms); }
+
+extern "C" {
+  extern unsigned int _ebss; // end of bss section
+}
+
+// --------------------------------------------------------------------------
+// ADC
+// --------------------------------------------------------------------------
+
+void HAL_adc_start_conversion(const uint8_t adc_pin) {
+  HAL_adc_result = analogRead(adc_pin);
+}
+
+uint16_t HAL_adc_get_result(void) {
+  return HAL_adc_result;
+}
+
+#endif // ARDUINO_ARCH_STM32

Marlin/src/HAL/HAL_STM32/HAL.h

@@ -0,0 +1,220 @@
+/**
+ * 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/>.
+ *
+ */
+#pragma once
+
+#define CPU_32_BIT
+#undef DEBUG_NONE
+
+#ifndef vsnprintf_P
+  #define vsnprintf_P vsnprintf
+#endif
+
+// --------------------------------------------------------------------------
+// Includes
+// --------------------------------------------------------------------------
+
+#include <stdint.h>
+
+#include "Arduino.h"
+
+#ifdef USBCON
+  #include <USBSerial.h>
+#endif
+
+#include "../shared/math_32bit.h"
+#include "../shared/HAL_SPI.h"
+#include "fastio_STM32.h"
+#include "watchdog_STM32.h"
+
+#include "HAL_timers_STM32.h"
+
+// --------------------------------------------------------------------------
+// Defines
+// --------------------------------------------------------------------------
+
+#if SERIAL_PORT == 0
+  #error "Serial port 0 does not exist"
+#endif
+
+#if !WITHIN(SERIAL_PORT, -1, 6)
+  #error "SERIAL_PORT must be from -1 to 6"
+#endif
+#if SERIAL_PORT == -1
+  #define MYSERIAL0 SerialUSB
+#elif SERIAL_PORT == 1
+  #define MYSERIAL0 Serial1
+#elif SERIAL_PORT == 2
+  #define MYSERIAL0 Serial2
+#elif SERIAL_PORT == 3
+  #define MYSERIAL0 Serial3
+#elif SERIAL_PORT == 4
+  #define MYSERIAL0 Serial4
+#elif SERIAL_PORT == 5
+  #define MYSERIAL0 Serial5
+#elif SERIAL_PORT == 6
+  #define MYSERIAL0 Serial6
+#endif
+
+#ifdef SERIAL_PORT_2
+  #if SERIAL_PORT_2 == 0
+    #error "Serial port 0 does not exist"
+  #endif
+
+  #if !WITHIN(SERIAL_PORT_2, -1, 6)
+    #error "SERIAL_PORT_2 must be from -1 to 6"
+  #elif SERIAL_PORT_2 == SERIAL_PORT
+    #error "SERIAL_PORT_2 must be different than SERIAL_PORT"
+  #endif
+  #define NUM_SERIAL 2
+  #if SERIAL_PORT_2 == -1
+    #define MYSERIAL1 Serial0 // TODO Once CDC is supported
+  #elif SERIAL_PORT_2 == 1
+    #define MYSERIAL1 Serial1
+  #elif SERIAL_PORT_2 == 2
+    #define MYSERIAL1 Serial2
+  #elif SERIAL_PORT_2 == 3
+    #define MYSERIAL1 Serial3
+  #elif SERIAL_PORT_2 == 4
+    #define MYSERIAL1 Serial4
+  #elif SERIAL_PORT_2 == 5
+    #define MYSERIAL1 Serial5
+  #elif SERIAL_PORT_2 == 6
+    #define MYSERIAL1 Serial6
+  #endif
+#else
+  #define NUM_SERIAL 1
+#endif
+
+#define _BV(b) (1 << (b))
+
+/**
+ * TODO: review this to return 1 for pins that are not analog input
+ */
+#ifndef analogInputToDigitalPin
+  #define analogInputToDigitalPin(p) (p)
+#endif
+
+#define CRITICAL_SECTION_START  uint32_t primask = __get_PRIMASK(); __disable_irq()
+#define CRITICAL_SECTION_END    if (!primask) __enable_irq()
+#define ISRS_ENABLED() (!__get_PRIMASK())
+#define ENABLE_ISRS()  __enable_irq()
+#define DISABLE_ISRS() __disable_irq()
+#define cli() __disable_irq()
+#define sei() __enable_irq()
+
+// On AVR this is in math.h?
+#define square(x) ((x)*(x))
+
+#ifndef strncpy_P
+  #define strncpy_P(dest, src, num) strncpy((dest), (src), (num))
+#endif
+
+// Fix bug in pgm_read_ptr
+#undef pgm_read_ptr
+#define pgm_read_ptr(addr) (*(addr))
+
+#define RST_POWER_ON   1
+#define RST_EXTERNAL   2
+#define RST_BROWN_OUT  4
+#define RST_WATCHDOG   8
+#define RST_JTAG       16
+#define RST_SOFTWARE   32
+#define RST_BACKUP     64
+
+// --------------------------------------------------------------------------
+// Types
+// --------------------------------------------------------------------------
+
+typedef int8_t pin_t;
+
+#define HAL_SERVO_LIB libServo
+
+// --------------------------------------------------------------------------
+// Public Variables
+// --------------------------------------------------------------------------
+
+/** result of last ADC conversion */
+extern uint16_t HAL_adc_result;
+
+// --------------------------------------------------------------------------
+// Public functions
+// --------------------------------------------------------------------------
+
+// Memory related
+#define __bss_end __bss_end__
+
+// Enable hooks into  setup for HAL
+#define HAL_INIT 1
+void HAL_init(void);
+
+/** clear reset reason */
+void HAL_clear_reset_source (void);
+
+/** reset reason */
+uint8_t HAL_get_reset_source (void);
+
+void _delay_ms(const int delay);
+
+extern "C" char* _sbrk(int incr);
+
+static int freeMemory() {
+  volatile char top;
+  return &top - reinterpret_cast<char*>(_sbrk(0));
+}
+
+// SPI: Extended functions which take a channel number (hardware SPI only)
+/** Write single byte to specified SPI channel */
+void spiSend(uint32_t chan, byte b);
+/** Write buffer to specified SPI channel */
+void spiSend(uint32_t chan, const uint8_t* buf, size_t n);
+/** Read single byte from specified SPI channel */
+uint8_t spiRec(uint32_t chan);
+
+
+// EEPROM
+
+/**
+ * Wire library should work for i2c eeproms.
+ */
+void eeprom_write_byte(unsigned char *pos, unsigned char value);
+unsigned char eeprom_read_byte(unsigned char *pos);
+void eeprom_read_block (void *__dst, const void *__src, size_t __n);
+void eeprom_update_block (const void *__src, void *__dst, size_t __n);
+
+// ADC
+
+#define HAL_ANALOG_SELECT(pin) pinMode(pin, INPUT)
+
+inline void HAL_adc_init(void) {}
+
+#define HAL_START_ADC(pin)  HAL_adc_start_conversion(pin)
+#define HAL_READ_ADC()      HAL_adc_result
+#define HAL_ADC_READY()     true
+
+void HAL_adc_start_conversion(const uint8_t adc_pin);
+
+uint16_t HAL_adc_get_result(void);
+
+#define GET_PIN_MAP_PIN(index) index
+#define GET_PIN_MAP_INDEX(pin) pin
+#define PARSED_PIN_INDEX(code, dval) parser.intval(code, dval)