Import miniware files

source/Core/BSP/MHP30/flash.c

@@ -0,0 +1,41 @@
+/*
+ * flash.c
+ *
+ *  Created on: 29 May 2020
+ *      Author: Ralim
+ */
+
+#include "BSP.h"
+#include "BSP_Flash.h"
+#include "stm32f1xx_hal.h"
+#include "string.h"
+
+static uint16_t settings_page[512] __attribute__((section(".settings_page")));
+
+uint8_t flash_save_buffer(const uint8_t *buffer, const uint16_t length) {
+  FLASH_EraseInitTypeDef pEraseInit;
+  pEraseInit.TypeErase    = FLASH_TYPEERASE_PAGES;
+  pEraseInit.Banks        = FLASH_BANK_1;
+  pEraseInit.NbPages      = 1;
+  pEraseInit.PageAddress  = (uint32_t)settings_page;
+  uint32_t failingAddress = 0;
+  resetWatchdog();
+  __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_WRPERR | FLASH_FLAG_PGERR | FLASH_FLAG_BSY);
+  HAL_FLASH_Unlock();
+  HAL_Delay(1);
+  resetWatchdog();
+  HAL_FLASHEx_Erase(&pEraseInit, &failingAddress);
+  //^ Erase the page of flash (1024 bytes on this stm32)
+  // erased the chunk
+  // now we program it
+  uint16_t *data = (uint16_t *)buffer;
+  HAL_FLASH_Unlock();
+  for (uint16_t i = 0; i < (length / 2); i++) {
+    resetWatchdog();
+    HAL_FLASH_Program(FLASH_TYPEPROGRAM_HALFWORD, (uint32_t)&settings_page[i], data[i]);
+  }
+  HAL_FLASH_Lock();
+  return 1;
+}
+
+void flash_read_buffer(uint8_t *buffer, const uint16_t length) { memcpy(buffer, settings_page, length); }