TVZ Mechatronics Team / Flash

This is library for storing data array in internal flash memory of MCU LPC1768. The flash data is empty every time we download program to MCU so it can be used in project where we don't have acces to file system like mbed development board uses.

Dependencies:   IAP

Dependents:   Flash_Example

Flash.cpp@0:0414cef3e9d6, 2017-01-15 (annotated)

Committer:
bosko1523
Date:
Sun Jan 15 20:37:39 2017 +0000
Revision:
0:0414cef3e9d6
This is library for storing data array in internal flash memory of MCU LPC1768. The flash data is empty every time we download program to MCU so it can be used in project where we don't have acces to file system like mbed development board uses.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bosko1523 0:0414cef3e9d6 1 #include "Flash.h"
bosko1523 0:0414cef3e9d6 2
bosko1523 0:0414cef3e9d6 3 Flash::Flash() {
bosko1523 0:0414cef3e9d6 4
bosko1523 0:0414cef3e9d6 5 }
bosko1523 0:0414cef3e9d6 6
bosko1523 0:0414cef3e9d6 7 void Flash::writeFlash(char data[MEM_SIZE]) {
bosko1523 0:0414cef3e9d6 8 __disable_irq();
bosko1523 0:0414cef3e9d6 9
bosko1523 0:0414cef3e9d6 10 // varijabla za spremanje odgovora
bosko1523 0:0414cef3e9d6 11 int r;
bosko1523 0:0414cef3e9d6 12 // provijera ako je sektor flasha prazan, nakon svakog novog programiranja se flash prazni
bosko1523 0:0414cef3e9d6 13 r = iap.blank_check(TARGET_SECTOR, TARGET_SECTOR);
bosko1523 0:0414cef3e9d6 14 // brisanje sektora ako je potrebno
bosko1523 0:0414cef3e9d6 15 if (r == SECTOR_NOT_BLANK) {
bosko1523 0:0414cef3e9d6 16 iap.prepare(TARGET_SECTOR, TARGET_SECTOR);
bosko1523 0:0414cef3e9d6 17 r = iap.erase(TARGET_SECTOR, TARGET_SECTOR);
bosko1523 0:0414cef3e9d6 18 }
bosko1523 0:0414cef3e9d6 19 // pisanje podataka u memoriju
bosko1523 0:0414cef3e9d6 20 iap.prepare(TARGET_SECTOR, TARGET_SECTOR);
bosko1523 0:0414cef3e9d6 21 iap.write(data, sector_start_adress[TARGET_SECTOR], MEM_SIZE);
bosko1523 0:0414cef3e9d6 22
bosko1523 0:0414cef3e9d6 23 __enable_irq();
bosko1523 0:0414cef3e9d6 24 }
bosko1523 0:0414cef3e9d6 25
bosko1523 0:0414cef3e9d6 26 void Flash::readFlash(char *data) {
bosko1523 0:0414cef3e9d6 27 __disable_irq();
bosko1523 0:0414cef3e9d6 28
bosko1523 0:0414cef3e9d6 29 memcpy(data, sector_start_adress[TARGET_SECTOR], MEM_SIZE);
bosko1523 0:0414cef3e9d6 30
bosko1523 0:0414cef3e9d6 31 __enable_irq();
bosko1523 0:0414cef3e9d6 32 }