Revision 0:143c9dcabcf0, committed 2016-09-30

Comitter:

lzbpli

Date:

Fri Sep 30 01:01:27 2016 +0000

Commit message:

stm32l053 eeprom read wirte erse

Changed in this revision

diff -r 000000000000 -r 143c9dcabcf0 eeprom.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eeprom.cpp	Fri Sep 30 01:01:27 2016 +0000
@@ -0,0 +1,32 @@
+#include "eeprom.h"
+
+void EEPROM_Write(uint16_t WriteAddr,uint8_t *pBuffer,uint16_t NumToWrite)
+{
+    uint16_t t;
+    HAL_FLASHEx_DATAEEPROM_Unlock();    
+    for(t = 0;t < NumToWrite;t++)
+    {
+        HAL_FLASHEx_DATAEEPROM_Program(FLASH_TYPEPROGRAMDATA_BYTE,DATA_EEPROM_BASE + WriteAddr + t,*(pBuffer + t));
+    }
+    HAL_FLASHEx_DATAEEPROM_Unlock();
+}
+
+//PageRange 0-511
+void EEPROM_ErasePages(uint16_t startPage,uint16_t endPage)
+{
+    uint16_t t;
+    for(t = startPage ;t <= endPage;t++)
+    {
+        HAL_FLASHEx_DATAEEPROM_Erase(DATA_EEPROM_BASE + t*4);
+    }
+}
+
+void EEPROM_Read(uint16_t ReadAddr,uint8_t *pBuffer,uint16_t NumToRead)
+{
+    uint16_t t;
+    for(t = ReadAddr;t < NumToRead ;t++)
+    {
+        *(pBuffer + t) = *(uint8_t*)(DATA_EEPROM_BASE + ReadAddr + t);
+    }
+}
+

diff -r 000000000000 -r 143c9dcabcf0 eeprom.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eeprom.h	Fri Sep 30 01:01:27 2016 +0000
@@ -0,0 +1,9 @@
+#ifndef __EEPROM_H_
+#define __EEPROM_H_
+#include "mbed.h"
+//#include "stm32l0xx_hal.h"
+
+void EEPROM_ErasePages(uint16_t startPage,uint16_t endPage);
+void EEPROM_Read(uint16_t ReadAddr,uint8_t *pBuffer,uint16_t NumToRead);
+void EEPROM_Write(uint16_t WriteAddr,uint8_t *pBuffer,uint16_t NumToWrite);
+#endif