Nothing Special / Mbed 2 deprecated 00_eeprom_emulation_f401

simple test EEPROM emulation for STM32F401 (STM algorithm described in the application notes: AN4061, AN3969, AN2594, AN3390, AN4056).

Dependencies:   mbed

https://developer.mbed.org/questions/69101/Is-there-a-way-to-store-variables-in-a-n/#answer10369?compage=1#c24579



Versions for microcontrollers with smaller flash pages (using several flash pages for each virtual page):

Import program00_eeprom_emulation_f030

EEPROM emulation (STM algorithm described in the application notes: AN4061, AN3969, AN2594, AN3390, AN4056) with added multipage possibility. For Nucleo-F030 and others boards with similar microcontrolers.

Last commit 24 Sep 2016 by Nothing Special



Import program00_eeprom_emulation_f091

simple test EEPROM emulation (STM algorithm described in the application notes: AN4061, AN3969, AN2594, AN3390, AN4056) for STM32F091

Last commit 23 Sep 2016 by Nothing Special

main.cpp@1:bc0ee9ad46aa, 2016-09-27 (annotated)

Committer:
mega64
Date:
Tue Sep 27 20:36:44 2016 +0000
Revision:
1:bc0ee9ad46aa
Parent:
0:1756c3542c95 
bug fix in EE_VerifyPageFullyErased

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mega64 0:1756c3542c95 1
mega64 0:1756c3542c95 2 #include "mbed.h"
mega64 0:1756c3542c95 3 #include "eeprom.h"
mega64 0:1756c3542c95 4 #include <ctype.h>
mega64 0:1756c3542c95 5
mega64 0:1756c3542c95 6
mega64 0:1756c3542c95 7
mega64 0:1756c3542c95 8 uint16_t n = 0;
mega64 0:1756c3542c95 9 /* Virtual address defined by the user: 0xFFFF value is prohibited */
mega64 0:1756c3542c95 10 uint16_t VirtAddVarTab[NB_OF_VAR] = {0x5555, 0x6666, 0x7777};
mega64 0:1756c3542c95 11 uint16_t VarDataTab[] = {0, 0, 0};
mega64 0:1756c3542c95 12
mega64 0:1756c3542c95 13
mega64 0:1756c3542c95 14
mega64 0:1756c3542c95 15 int main()
mega64 0:1756c3542c95 16 {
mega64 0:1756c3542c95 17
mega64 0:1756c3542c95 18 /* Unlock the Flash Program Erase controller */
mega64 0:1756c3542c95 19 HAL_FLASH_Unlock();
mega64 0:1756c3542c95 20
mega64 0:1756c3542c95 21 EE_Init();
mega64 0:1756c3542c95 22
mega64 0:1756c3542c95 23 printf("EEPROM emulation test\n");
mega64 0:1756c3542c95 24
mega64 0:1756c3542c95 25 printf("\n\rType one of the following commands and press space or enter");
mega64 0:1756c3542c95 26 printf("\n\r READ - read all variables\n\r WRITE1 <n> - write first variable\n\r WRITE2 <n> - write second variable\n\r WRITE3 <n> - write third variable");
mega64 0:1756c3542c95 27 printf("\n\rwhere <n> is uint16_t value (0-65535)");
mega64 0:1756c3542c95 28 printf("\n\r");
mega64 0:1756c3542c95 29
mega64 0:1756c3542c95 30
mega64 0:1756c3542c95 31 char command[20];
mega64 0:1756c3542c95 32 char arg[10];
mega64 0:1756c3542c95 33 int i;
mega64 0:1756c3542c95 34
mega64 0:1756c3542c95 35 while(1) {
mega64 0:1756c3542c95 36 scanf("%s", command);
mega64 0:1756c3542c95 37 i=0;
mega64 0:1756c3542c95 38 while(command[i])
mega64 0:1756c3542c95 39 {
mega64 0:1756c3542c95 40 command[i]=toupper(command[i]);
mega64 0:1756c3542c95 41 i++;
mega64 0:1756c3542c95 42 }
mega64 0:1756c3542c95 43
mega64 0:1756c3542c95 44
mega64 0:1756c3542c95 45 if (strcmp("READ", command)==0) {
mega64 0:1756c3542c95 46 for (i=0; i<3; i++) {
mega64 0:1756c3542c95 47 EE_ReadVariable(VirtAddVarTab[i], &VarDataTab[i]);
mega64 0:1756c3542c95 48 };
mega64 0:1756c3542c95 49 printf("\nvar1=%6u, var2=%6u, var3=%6u",VarDataTab[0],VarDataTab[1],VarDataTab[2]);
mega64 0:1756c3542c95 50 }
mega64 0:1756c3542c95 51 ///////////////////////////////////////////////////////////////////////////////////////////////////////
mega64 0:1756c3542c95 52 else if (strcmp("WRITE1", command)==0) {
mega64 0:1756c3542c95 53 scanf("%s", arg);
mega64 0:1756c3542c95 54 printf("\nok");
mega64 0:1756c3542c95 55 n=atoi(arg);
mega64 0:1756c3542c95 56 EE_WriteVariable(VirtAddVarTab[0], n);
mega64 0:1756c3542c95 57 }
mega64 0:1756c3542c95 58 ////////////////////////////////////////////////////////////////////////////////////
mega64 0:1756c3542c95 59 else if (strcmp("WRITE2", command)==0) {
mega64 0:1756c3542c95 60 scanf("%s", arg);
mega64 0:1756c3542c95 61 printf("\nok");
mega64 0:1756c3542c95 62 n=atoi(arg);
mega64 0:1756c3542c95 63 EE_WriteVariable(VirtAddVarTab[1], n);
mega64 0:1756c3542c95 64 }
mega64 0:1756c3542c95 65 ////////////////////////////////////////////////////////////////////////////////////
mega64 0:1756c3542c95 66 else if (strcmp("WRITE3", command)==0) {
mega64 0:1756c3542c95 67 scanf("%s", arg);
mega64 0:1756c3542c95 68 printf("\nok");
mega64 0:1756c3542c95 69 n=atoi(arg);
mega64 0:1756c3542c95 70 EE_WriteVariable(VirtAddVarTab[2], n);
mega64 0:1756c3542c95 71 }
mega64 0:1756c3542c95 72 ////////////////////////////////////////////////////////////////////////////////////
mega64 0:1756c3542c95 73 else if (strcmp("T1", command)==0) {
mega64 0:1756c3542c95 74 // multiple write test. After test var1 = 1000
mega64 0:1756c3542c95 75 printf("\nok");
mega64 0:1756c3542c95 76 for (n=0;n<1001;n++)
mega64 0:1756c3542c95 77 {
mega64 0:1756c3542c95 78 EE_WriteVariable(VirtAddVarTab[0], n);
mega64 0:1756c3542c95 79 };
mega64 0:1756c3542c95 80 }
mega64 0:1756c3542c95 81 ////////////////////////////////////////////////////////////////////////////////////
mega64 0:1756c3542c95 82 else if (strcmp("T2", command)==0) {
mega64 0:1756c3542c95 83 // multiple write test. After test var2 = 1001
mega64 0:1756c3542c95 84 printf("\nok");
mega64 0:1756c3542c95 85 for (n=0;n<1002;n++)
mega64 0:1756c3542c95 86 {
mega64 0:1756c3542c95 87 EE_WriteVariable(VirtAddVarTab[1], n);
mega64 0:1756c3542c95 88 };
mega64 0:1756c3542c95 89 }
mega64 0:1756c3542c95 90 ////////////////////////////////////////////////////////////////////////////////////
mega64 0:1756c3542c95 91 else if (strcmp("T3", command)==0) {
mega64 0:1756c3542c95 92 // multiple write test. After test var3 = 1002
mega64 0:1756c3542c95 93 printf("\nok");
mega64 0:1756c3542c95 94 for (n=0;n<1003;n++)
mega64 0:1756c3542c95 95 {
mega64 0:1756c3542c95 96 EE_WriteVariable(VirtAddVarTab[2], n);
mega64 0:1756c3542c95 97 };
mega64 0:1756c3542c95 98 }
mega64 0:1756c3542c95 99 ////////////////////////////////////////////////////////////////////////////////////
mega64 0:1756c3542c95 100
mega64 0:1756c3542c95 101 else perror("\nThere is no command matching. Try again");
mega64 0:1756c3542c95 102
mega64 0:1756c3542c95 103 command[0] = arg[0] = 0;
mega64 0:1756c3542c95 104 printf("\n\r");
mega64 0:1756c3542c95 105 }
mega64 0:1756c3542c95 106
mega64 0:1756c3542c95 107
mega64 0:1756c3542c95 108 }