Diff: eeprom_flash.cpp

Revision:

5:e565265fdf23

Parent:

4:f5cff5165941

--- a/eeprom_flash.cpp	Mon Apr 06 15:24:07 2020 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,78 +0,0 @@
-#include "mbed.h"
-#include "eeprom_flash.h"
-Serial pc(USBTX, USBRX); //Initalise PC serial comms
-DigitalOut myled(LED1);
-/*
- * Must call this first to enable writing
- */
-void enableEEPROMWriting() {
-    HAL_StatusTypeDef status = HAL_FLASH_Unlock();
-    FLASH_PageErase(EEPROM_START_ADDRESS); // required to re-write
-    CLEAR_BIT(FLASH->CR, FLASH_CR_PER);    // Bug fix: bit PER has been set in Flash_PageErase(), must clear it here
-}
-
-void disableEEPROMWriting() {
-    HAL_FLASH_Lock();
-}
-
-/*
- * Writing function
- * Must call enableEEPROMWriting() first
- */
-HAL_StatusTypeDef writeEEPROMHalfWord(uint32_t address, uint16_t data) {
-    HAL_StatusTypeDef status;
-    address = address + EEPROM_START_ADDRESS;
-    status = HAL_FLASH_Program(FLASH_TYPEPROGRAM_HALFWORD, address, data);
-    return status;
-}
-
-/*
- * Reading functions
- */
-uint16_t readEEPROMHalfWord(uint32_t address) {
-    uint16_t val = 0;
-    address = address + EEPROM_START_ADDRESS;
-    val = *(__IO uint16_t*)address;
-     return val;
-}
-
-//Programme de test
-
-int main() {
-int adresse = 0x00;
-char donnee1 = 11;
-char donnee2 = 22;
-char donnee3 = 33;
-int lecture;
-pc.baud(9600);
-
-/* Ecriture*/
-enableEEPROMWriting(); //autorisation d'ecriture dans l'eeprom
-writeEEPROMHalfWord(adresse, donnee1);
-writeEEPROMHalfWord(adresse+2, donnee2);
-writeEEPROMHalfWord(adresse+4, donnee3);
-disableEEPROMWriting(); //Interdiction d'ecriture
-
- myled=!myled;
-        wait(0.5);
-        myled=!myled;
-        wait(0.5);
-
-/*lecture et affichage*/
-lecture=readEEPROMHalfWord(adresse);
-if (lecture==11)
-    {
-        myled=!myled;
-        wait(0.5);
-        myled=!myled;
-        wait(0.5);
-        myled=!myled;
-        wait(0.5);
-    }
-pc.printf ("valeur lue: %d\n\r",lecture);
-lecture=readEEPROMHalfWord(adresse+2);
-pc.printf ("valeur lue: %d\n\r",lecture);
-lecture=readEEPROMHalfWord(adresse+4);
-pc.printf ("valeur lue: %d\n\r",lecture);
- while(1);
-}
\ No newline at end of file