Konstantin Bulanov / eeprom_STMF103

EEPROM emulation using Flash for STM32F103 with fix error on "FLASH_PageErase"

Fork of eeprom_flash by Chau Vo

Files at this revision

API Documentation at this revision

Revision 2:16f5373f8b31, committed 2018-05-05

Comitter:
Leech
Date:
Sat May 05 19:06:35 2018 +0000
Parent:
1:e593ae8ff81d
Commit message:
Fix error on FLASH_PageErase

Changed in this revision

eeprom_flash.cpp Show annotated file Show diff for this revision Revisions of this file
eeprom_flash.h Show annotated file Show diff for this revision Revisions of this file 
--- a/eeprom_flash.cpp	Mon Aug 29 21:29:20 2016 +0000
+++ b/eeprom_flash.cpp	Sat May 05 19:06:35 2018 +0000
@@ -26,6 +26,17 @@
     CLEAR_BIT(FLASH->CR, FLASH_CR_PER); // Bug fix: bit PER has been set in Flash_PageErase(), must clear it here
 }
 
+void FLASH_PageErase(uint32_t PageAddress)
+{
+    /* Proceed to erase the page */
+    SET_BIT(FLASH->CR, FLASH_CR_PER);
+    while (FLASH->SR & FLASH_SR_BSY);
+    WRITE_REG(FLASH->AR, PageAddress);
+    SET_BIT(FLASH->CR, FLASH_CR_STRT);
+    while (FLASH->SR & FLASH_SR_BSY);
+    CLEAR_BIT(FLASH->CR, FLASH_CR_PER);
+}
+
 void disableEEPROMWriting() {
     HAL_FLASH_Lock();
 }

--- a/eeprom_flash.h	Mon Aug 29 21:29:20 2016 +0000
+++ b/eeprom_flash.h	Sat May 05 19:06:35 2018 +0000
@@ -9,6 +9,8 @@
 void enableEEPROMWriting(); // Unlock and keep PER cleared
 void disableEEPROMWriting(); // Lock
 
+void FLASH_PageErase(uint32_t PageAddress);
+
 // Write functions
 HAL_StatusTypeDef writeEEPROMHalfWord(uint32_t address, uint16_t data);
 HAL_StatusTypeDef writeEEPROMWord(uint32_t address, uint32_t data);