[2.0.x] HAL for STM32F4 (#10434)

2018-04-18 00:33:29 +02:00
parent 744bcaee61
commit 428c54f2ad
28 changed files with 4257 additions and 2 deletions
--- a/Marlin/src/HAL/HAL_STM32F4/EmulatedEeprom.cpp
+++ b/Marlin/src/HAL/HAL_STM32F4/EmulatedEeprom.cpp
@@ -0,0 +1,143 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * 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 STM32F4
+
+/**
+ * Description: functions for I2C connected external EEPROM.
+ * Not platform dependent.
+ */
+
+#include "../../inc/MarlinConfig.h"
+
+#if ENABLED(EEPROM_SETTINGS) && DISABLED(I2C_EEPROM) && DISABLED(SPI_EEPROM)
+
+// --------------------------------------------------------------------------
+// Includes
+// --------------------------------------------------------------------------
+
+#include "HAL.h"
+#include "EEPROM_Emul/eeprom_emul.h"
+
+
+// --------------------------------------------------------------------------
+// Externals
+// --------------------------------------------------------------------------
+
+// --------------------------------------------------------------------------
+// Local defines
+// --------------------------------------------------------------------------
+
+// --------------------------------------------------------------------------
+// Types
+// --------------------------------------------------------------------------
+
+// --------------------------------------------------------------------------
+// Variables
+// --------------------------------------------------------------------------
+
+// --------------------------------------------------------------------------
+// Public Variables
+// --------------------------------------------------------------------------
+
+// --------------------------------------------------------------------------
+// Private Variables
+// --------------------------------------------------------------------------
+static bool eeprom_initialised = false;
+// --------------------------------------------------------------------------
+// Function prototypes
+// --------------------------------------------------------------------------
+
+// --------------------------------------------------------------------------
+// Private functions
+// --------------------------------------------------------------------------
+
+// --------------------------------------------------------------------------
+// Public functions
+// --------------------------------------------------------------------------
+
+// FLASH_FLAG_PGSERR (Programming Sequence Error) was renamed to
+// FLASH_FLAG_ERSERR (Erasing Sequence Error) in STM32F4
+// #define FLASH_FLAG_PGSERR FLASH_FLAG_ERSERR
+
+// --------------------------------------------------------------------------
+// EEPROM
+// --------------------------------------------------------------------------
+
+
+void eeprom_init() {
+  if (!eeprom_initialised) {
+    HAL_FLASH_Unlock();
+
+    __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR |FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR);
+
+    /* EEPROM Init */
+    if (EE_Initialise() != EE_OK)
+      for (;;) HAL_Delay(1); // Spin forever until watchdog reset
+
+    HAL_FLASH_Lock();
+    eeprom_initialised = true;
+  }
+}
+
+void eeprom_write_byte(unsigned char *pos, unsigned char value) {
+  uint16_t eeprom_address = (unsigned) pos;
+
+  eeprom_init();
+
+  HAL_FLASH_Unlock();
+  __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR |FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR);
+
+  if (EE_WriteVariable(eeprom_address, (uint16_t) value) != EE_OK)
+      for (;;) HAL_Delay(1); // Spin forever until watchdog reset
+
+  HAL_FLASH_Lock();
+}
+
+unsigned char eeprom_read_byte(unsigned char *pos) {
+  uint16_t data = 0xFF;
+  uint16_t eeprom_address = (unsigned)pos;
+
+  eeprom_init();
+
+  if (EE_ReadVariable(eeprom_address, &data) != EE_OK) {
+    return (unsigned char)data;
+  }
+  return (unsigned char)data;
+}
+
+void eeprom_read_block(void *__dst, const void *__src, size_t __n) {
+  uint16_t data = 0xFF;
+  uint16_t eeprom_address = (unsigned) __src;
+
+  eeprom_init();
+
+  for (uint8_t c = 0; c < __n; c++) {
+    EE_ReadVariable(eeprom_address+c, &data);
+    *((uint8_t*)__dst + c) = data;
+  }
+}
+
+void eeprom_update_block(const void *__src, void *__dst, size_t __n) {
+
+}
+
+#endif // ENABLED(EEPROM_SETTINGS) && DISABLED(I2C_EEPROM) && DISABLED(SPI_EEPROM)
+#endif // STM32F4
+