Kim GiJeong / Mbed 2 deprecated HydraulicControlBoard_LIGHT_GJ

eeprom_test

Dependencies:   mbed FastPWM

FlashWriter/FlashWriter.cpp@68:135a2d087198, 2020-07-20 (annotated)

Committer:
GiJeongKim
Date:
Mon Jul 20 06:58:38 2020 +0000
Revision:
68:135a2d087198
Parent:
16:903b5a4433b4 
control;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Lightvalve 16:903b5a4433b4 1 #include "stm32f4xx_flash.h"
Lightvalve 16:903b5a4433b4 2 #include "FlashWriter.h"
Lightvalve 16:903b5a4433b4 3
Lightvalve 16:903b5a4433b4 4 FlashWriter::FlashWriter(int sector) {
Lightvalve 16:903b5a4433b4 5 if (sector > 7) sector = 7;
Lightvalve 16:903b5a4433b4 6 __sector = sector;
Lightvalve 16:903b5a4433b4 7 __base = __SECTOR_ADDRS[sector];
Lightvalve 16:903b5a4433b4 8 __ready = false;
Lightvalve 16:903b5a4433b4 9
Lightvalve 16:903b5a4433b4 10 FLASH_Unlock();
Lightvalve 16:903b5a4433b4 11 FLASH_ClearFlag( FLASH_FLAG_EOP | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR);
Lightvalve 16:903b5a4433b4 12 FLASH_EraseSector(__SECTORS[sector], VoltageRange_3);
Lightvalve 16:903b5a4433b4 13 }
Lightvalve 16:903b5a4433b4 14
Lightvalve 16:903b5a4433b4 15 bool FlashWriter::ready() {
Lightvalve 16:903b5a4433b4 16 return __ready;
Lightvalve 16:903b5a4433b4 17 }
Lightvalve 16:903b5a4433b4 18
Lightvalve 16:903b5a4433b4 19 void FlashWriter::open() {
Lightvalve 16:903b5a4433b4 20 FLASH_Unlock();
Lightvalve 16:903b5a4433b4 21 FLASH_ClearFlag( FLASH_FLAG_EOP | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR);
Lightvalve 16:903b5a4433b4 22 FLASH_EraseSector(__SECTORS[__sector], VoltageRange_3);
Lightvalve 16:903b5a4433b4 23 __ready = true;
Lightvalve 16:903b5a4433b4 24 }
Lightvalve 16:903b5a4433b4 25
Lightvalve 16:903b5a4433b4 26 void FlashWriter::write(uint32_t index, int x) {
Lightvalve 16:903b5a4433b4 27 union {int a; uint32_t b;};
Lightvalve 16:903b5a4433b4 28 a = x;
Lightvalve 16:903b5a4433b4 29 FLASH_ProgramWord(__base + 4 * index, b);
Lightvalve 16:903b5a4433b4 30 }
Lightvalve 16:903b5a4433b4 31
Lightvalve 16:903b5a4433b4 32 void FlashWriter::write(uint32_t index, unsigned int x) {
Lightvalve 16:903b5a4433b4 33 FLASH_ProgramWord(__base + 4 * index, x);
Lightvalve 16:903b5a4433b4 34 }
Lightvalve 16:903b5a4433b4 35
Lightvalve 16:903b5a4433b4 36 void FlashWriter::write(uint32_t index, float x) {
Lightvalve 16:903b5a4433b4 37 union {float a; uint32_t b;};
Lightvalve 16:903b5a4433b4 38 a = x;
Lightvalve 16:903b5a4433b4 39 FLASH_ProgramWord(__base + 4 * index, b);
Lightvalve 16:903b5a4433b4 40 }
Lightvalve 16:903b5a4433b4 41
Lightvalve 16:903b5a4433b4 42 void FlashWriter::close() {
Lightvalve 16:903b5a4433b4 43 FLASH_Lock();
Lightvalve 16:903b5a4433b4 44 }
Lightvalve 16:903b5a4433b4 45
Lightvalve 16:903b5a4433b4 46 int flashReadInt(uint32_t sector, uint32_t index) {
Lightvalve 16:903b5a4433b4 47 return *(int*) (__SECTOR_ADDRS[sector] + 4 * index);
Lightvalve 16:903b5a4433b4 48 }
Lightvalve 16:903b5a4433b4 49
Lightvalve 16:903b5a4433b4 50 uint32_t flashReadUint(uint32_t sector, uint32_t index) {
Lightvalve 16:903b5a4433b4 51 return *(uint32_t*) (__SECTOR_ADDRS[sector] + 4 * index);
Lightvalve 16:903b5a4433b4 52 }
Lightvalve 16:903b5a4433b4 53
Lightvalve 16:903b5a4433b4 54 float flashReadFloat(uint32_t sector, uint32_t index) {
Lightvalve 16:903b5a4433b4 55 return *(float*) (__SECTOR_ADDRS[sector] + 4 * index);
Lightvalve 16:903b5a4433b4 56 }