河北水利局项目

2025-12-15 16:07:49 +08:00
commit f11a7c2b95
1146 changed files with 452892 additions and 0 deletions
--- a/APP/Flash.c
+++ b/APP/Flash.c
@@ -0,0 +1,166 @@
+/*——————————————————————————
+* 文 件 名：Flash.c  
+* 作    者：于涛
+* 日    期：2014-01-15
+* 文件说明：内部FLASH源文件
+*——————————————————————————*/
+#include "Flash.h"
+#include "General.h"
+#include "Mem.h"
+
+
+
+/*——————————————————————————
+* 函 数 名：STM32_FlashPageErase  
+* 输入参数：pageAddr  页地址
+* 输出参数：None
+* 返 回 值：0  成功
+      1  失败
+* 功能说明：内部FLASH页擦除
+*——————————————————————————*/
+u8 STM32_FlashPageErase(u32 pageAddr)
+{  
+  FLASH_Status status = FLASH_COMPLETE;
+
+  FEED_WDG;
+
+  FLASH_Unlock();
+  /* Clear All pending flags */
+  FLASH_ClearFlag(FLASH_FLAG_EOP | FLASH_FLAG_PGERR | FLASH_FLAG_WRPRTERR); 
+  //FLHDBG(printf("STM32_FlashPageErase pageAddr = %08x\r\n",pageAddr););
+  status = FLASH_ErasePage(pageAddr);
+
+  if(status != FLASH_COMPLETE)
+  {
+    printf("STM32_FlashPageErase Err pageAddr = %08x status = %d\r\n",pageAddr,status);
+    return FLH_ERASE_ERR;
+  }
+
+  FLASH_Lock();
+
+  return FLH_SUCCESS;
+}
+
+/*——————————————————————————
+* 函 数 名：STM32_FlashWrite  
+* 输入参数：programAddr    写地址
+      pBuffer      写缓冲区
+      size      写缓冲区大小
+* 输出参数：None
+* 返 回 值：0  成功
+      >0  失败      
+* 功能说明：内部FLASH写操作
+*——————————————————————————*/
+u8 STM32_FlashWrite(u32 programAddr, u8* pBuffer, u16 size)
+{
+  u8 sflag;  
+  u16 offset = 0,len = size;  
+  FLASH_Status status = FLASH_COMPLETE;
+
+  FLASH_Unlock();
+  /* Clear All pending flags */
+  FLASH_ClearFlag(FLASH_FLAG_EOP | FLASH_FLAG_PGERR | FLASH_FLAG_WRPRTERR); 
+  sflag = len%2;
+  if(sflag)
+  {
+    len --;
+  }
+
+  for(offset = 0; offset < len; offset += 2)
+  {
+    status = FLASH_ProgramHalfWord(programAddr + offset, ((u16)(pBuffer[offset + 1]) << 8) | (pBuffer[offset]));
+    if(status != FLASH_COMPLETE)
+    {
+      printf("STM32_FlashWrite Err programAddr = %08x size = %d offset = %d status = %d\r\n",programAddr,size,offset,status);
+      return FLH_WRITE_ERR;
+    }
+  }
+
+ 
+
+  if(sflag && size>=1)
+  {
+    u16 val;
+
+    val = pBuffer[size - 1]|0xFF00;
+    status = FLASH_ProgramHalfWord(programAddr + offset, val);
+    if(status != FLASH_COMPLETE)
+    {
+      printf("STM32_FlashWrite Err programAddr = %08x size = %d offset = %d status = %d\r\n",programAddr,size,offset,status);
+      return FLH_WRITE_ERR;
+    }        
+  }
+
+  FLASH_Lock();
+
+  return FLH_SUCCESS;
+}
+
+/*——————————————————————————
+* 函 数 名：STM32_FlashWriteZero  
+* 输入参数：None
+* 输出参数：None
+* 返 回 值：见错误代码表
+* 功能说明：对某一地址写０
+*——————————————————————————*/
+u8 STM32_FlashWriteZero(u32 programAddr, u16 size)
+{
+  u16 offset = 0;
+  FLASH_Status status = FLASH_COMPLETE;
+
+  FLASH_Unlock();
+  /* Clear All pending flags */
+  FLASH_ClearFlag(FLASH_FLAG_EOP | FLASH_FLAG_PGERR | FLASH_FLAG_WRPRTERR);
+
+  if (size%2==1)
+  {
+    size +=1;
+  }
+
+  for(offset = 0; offset < size; offset += 2)
+  {
+    status = FLASH_ProgramHalfWord(programAddr + offset, 0);
+    if(status != FLASH_COMPLETE)
+    {
+      //FLHDBG(printf("STM32FLASH: Write zero error."););
+      return FLH_WRITE_ERR;
+    }
+  }
+
+  FLASH_Lock();
+
+  return FLH_SUCCESS;
+}
+
+/*****************************************************************************
+ * Function      : read_unique_id
+ * Description   : none
+ * Input         : u8 * id  
+ * Output        : None
+ * Return        : 
+ * Others        : 
+ * Record
+ * 1.Date        : 20170314
+ *   Author      : barry
+ *   Modification: Created function
+
+*****************************************************************************/
+bool read_unique_id(u8 * id)
+{
+  for (u8 i = 0; i < 12; i++)
+  {
+    id[i] = *((u8*)(FLASH_ID_IDDR + i));
+  }
+
+  for (u8 i = 0; i < 12; i++)
+  {
+    if (id[i] != 0xFF)
+    {
+        return TRUE;
+    }
+  }
+
+  return FALSE;
+
+}
+