STM32F7 HAL using the official STM32 Arduino Core (#11750)

2018-10-03 03:26:07 -05:00
parent 3e58b3a5d4
commit 348004c34f
24 changed files with 1436 additions and 6 deletions
--- a/Marlin/src/HAL/HAL_STM32/persistent_store_impl.cpp
+++ b/Marlin/src/HAL/HAL_STM32/persistent_store_impl.cpp
@@ -0,0 +1,103 @@
+/**
+ * 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) 2016 Victor Perez victor_pv@hotmail.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 ARDUINO_ARCH_STM32
+
+#include "../../inc/MarlinConfig.h"
+
+#if ENABLED(EEPROM_SETTINGS)
+
+#include "../shared/persistent_store_api.h"
+
+#if DISABLED(EEPROM_EMULATED_WITH_SRAM)
+  #include <EEPROM.h>
+  static bool eeprom_data_written = false;
+#endif
+
+bool PersistentStore::access_start() {
+  #if DISABLED(EEPROM_EMULATED_WITH_SRAM)
+    eeprom_buffer_fill();
+  #endif
+  return true;
+}
+
+bool PersistentStore::access_finish() {
+  #if DISABLED(EEPROM_EMULATED_WITH_SRAM)
+    if (eeprom_data_written) {
+      eeprom_buffer_flush();
+      eeprom_data_written = false;
+    }
+  #endif
+  return true;
+}
+
+bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
+  while (size--) {
+    uint8_t v = *value;
+
+    // Save to either program flash or Backup SRAM
+    #if DISABLED(EEPROM_EMULATED_WITH_SRAM)
+      eeprom_buffered_write_byte(pos, v);
+    #else
+      *(__IO uint8_t *)(BKPSRAM_BASE + (uint8_t * const)pos) = v;
+    #endif
+
+    crc16(crc, &v, 1);
+    pos++;
+    value++;
+  };
+  #if DISABLED(EEPROM_EMULATED_WITH_SRAM)
+    eeprom_data_written = true;
+  #endif
+
+  return false;
+}
+
+bool PersistentStore::read_data(int &pos, uint8_t* value, size_t size, uint16_t *crc, const bool writing) {
+  do {
+    // Read from either program flash or Backup SRAM
+    const uint8_t c = (
+      #if DISABLED(EEPROM_EMULATED_WITH_SRAM)
+        eeprom_buffered_read_byte(pos)
+      #else
+        (*(__IO uint8_t *)(BKPSRAM_BASE + ((unsigned char*)pos)))
+      #endif
+    );
+
+    if (writing) *value = c;
+    crc16(crc, &c, 1);
+    pos++;
+    value++;
+  } while (--size);
+  return false;
+}
+
+size_t PersistentStore::capacity() {
+  #if DISABLED(EEPROM_EMULATED_WITH_SRAM)
+    return E2END + 1;
+  #else
+    return 4096; // 4kB
+  #endif
+}
+
+#endif // EEPROM_SETTINGS
+#endif // ARDUINO_ARCH_STM32