ST / Mbed 2 deprecated DISCO-F469NI_EEPROM_demo

Basic example showing how to use a M24LR64 EEPROM with the STM32469I_DISCOVERY board. This EEPROM can be found on the additional ANT7-M24LR-A daughter board.

Dependencies:   BSP_DISCO_F469NI EEPROM_DISCO_F469NI mbed

main.cpp@0:05a882783c3f, 2016-01-05 (annotated)

Committer:
bcostm
Date:
Tue Jan 05 14:11:01 2016 +0000
Revision:
0:05a882783c3f
First version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bcostm 0:05a882783c3f 1 #include "mbed.h"
bcostm 0:05a882783c3f 2 #include "EEPROM_DISCO_F469NI.h"
bcostm 0:05a882783c3f 3
bcostm 0:05a882783c3f 4 EEPROM_DISCO_F469NI eep;
bcostm 0:05a882783c3f 5
bcostm 0:05a882783c3f 6 DigitalOut led_green(LED1);
bcostm 0:05a882783c3f 7 DigitalOut led_red(LED2);
bcostm 0:05a882783c3f 8
bcostm 0:05a882783c3f 9 Serial pc(USBTX, USBRX);
bcostm 0:05a882783c3f 10
bcostm 0:05a882783c3f 11 #define BUFFER_SIZE ((uint32_t)32)
bcostm 0:05a882783c3f 12 #define WRITE_READ_ADDR ((uint32_t)0x0000)
bcostm 0:05a882783c3f 13
bcostm 0:05a882783c3f 14 int main()
bcostm 0:05a882783c3f 15 {
bcostm 0:05a882783c3f 16 // 12345678901234567890123456789012
bcostm 0:05a882783c3f 17 uint8_t WriteBuffer[BUFFER_SIZE+1] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ012345";
bcostm 0:05a882783c3f 18 uint8_t ReadBuffer[BUFFER_SIZE+1];
bcostm 0:05a882783c3f 19 uint16_t bytes_rd;
bcostm 0:05a882783c3f 20
bcostm 0:05a882783c3f 21 pc.printf("\n\nEEPROM demo started\n");
bcostm 0:05a882783c3f 22 led_red = 0;
bcostm 0:05a882783c3f 23
bcostm 0:05a882783c3f 24 // Check initialization
bcostm 0:05a882783c3f 25 if (eep.Init() != EEPROM_OK) {
bcostm 0:05a882783c3f 26 led_red = 1;
bcostm 0:05a882783c3f 27 error("Initialization FAILED\n");
bcostm 0:05a882783c3f 28 } else {
bcostm 0:05a882783c3f 29 pc.printf("Initialization PASSED\n");
bcostm 0:05a882783c3f 30 }
bcostm 0:05a882783c3f 31
bcostm 0:05a882783c3f 32 // Write buffer
bcostm 0:05a882783c3f 33 if (eep.WriteBuffer(WriteBuffer, WRITE_READ_ADDR, BUFFER_SIZE) != EEPROM_OK) {
bcostm 0:05a882783c3f 34 led_red = 1;
bcostm 0:05a882783c3f 35 error("Write buffer FAILED\n");
bcostm 0:05a882783c3f 36 } else {
bcostm 0:05a882783c3f 37 pc.printf("Write buffer PASSED\n");
bcostm 0:05a882783c3f 38 }
bcostm 0:05a882783c3f 39
bcostm 0:05a882783c3f 40 // Read buffer
bcostm 0:05a882783c3f 41 bytes_rd = BUFFER_SIZE;
bcostm 0:05a882783c3f 42 if (eep.ReadBuffer(ReadBuffer, WRITE_READ_ADDR, &bytes_rd) != EEPROM_OK) {
bcostm 0:05a882783c3f 43 led_red = 1;
bcostm 0:05a882783c3f 44 error("Read buffer FAILED\n");
bcostm 0:05a882783c3f 45 } else {
bcostm 0:05a882783c3f 46 ReadBuffer[BUFFER_SIZE] = '\0';
bcostm 0:05a882783c3f 47 pc.printf("Read buffer PASSED\n");
bcostm 0:05a882783c3f 48 pc.printf("Buffer read = [%s]\n", ReadBuffer);
bcostm 0:05a882783c3f 49 pc.printf("Bytes read = %d\n", bytes_rd);
bcostm 0:05a882783c3f 50 }
bcostm 0:05a882783c3f 51
bcostm 0:05a882783c3f 52 while(1) {
bcostm 0:05a882783c3f 53 led_green = !led_green;
bcostm 0:05a882783c3f 54 wait(1);
bcostm 0:05a882783c3f 55 }
bcostm 0:05a882783c3f 56 }