deac/osd-contiki
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Eeprom-test example modified

Browse source 
This patch improves the eeprom-test example adding more
tests on the eeprom read/write procedures.
This commit is contained in:
Maria Laura Stefanizzi 2013-11-27 14:44:33 +01:00
parent 10c7066035
commit 8de0380efe
2 changed files with 89 additions and 30 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
examples/eeprom-test/Makefile
View file

@ -1,5 +1,6 @@
CONTIKI_PROJECT = eeprom-test
all: $(CONTIKI_PROJECT)
TARGET=mbxxx
CONTIKI = ../..
include $(CONTIKI)/Makefile.include

118
examples/eeprom-test/eeprom-test.c
View file

@ -43,56 +43,114 @@
#include <stdio.h> /* For printf() */
void
print_content()
{
eeprom_addr_t addr_row = 0, j;
uint8_t i;
uint8_t byte;
printf("\t");
for(i = 0; i < 16; i++)
printf("0x%x\t", i);
printf
("\n-----------------------------------------------------------------------------------------------------------------------------------------\n");
for(addr_row = 0; addr_row < EEPROM_SIZE / 16; ++addr_row) {
printf("0x%x\t|", addr_row * 16);
for(j = 0; j < 16; j++) {
eeprom_read(addr_row * 16 + j, &byte, 1);
printf("0x%x\t", byte);
}
printf("\n");
}
}
void
erase_content()
{
static eeprom_addr_t addr = 0;
for(addr = 0; addr < EEPROM_SIZE; ++addr) {
eeprom_write(addr, 0, 1);
}
}
/*---------------------------------------------------------------------------*/
PROCESS(eeprom_test_process, "EEPROM Test Process");
AUTOSTART_PROCESSES(&eeprom_test_process);
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(eeprom_test_process, ev, data)
{
static uint8_t counter = 0;
static uint8_t counter = 0, error = 0;
static eeprom_addr_t addr = 0;
uint8_t byte;
uint8_t buffer[] =
{ 0xAA, 0xAA, 0xAA, 0xBB, 0xBB, 0xBB, 0xCC, 0xCC, 0xCC, 0xBB,
0xBB, 0xBB, 0xAA, 0xAA, 0xAA, 0xFF, 0xAA, 0xAA, 0xAA, 0xBB,
0xBB, 0xBB, 0xCC, 0xCC, 0xCC, 0xBB, 0xBB, 0xBB, 0xAA, 0xAA,
0xAA, 0xFF, 0xAA, 0xAA, 0xAA, 0xBB, 0xBB, 0xBB, 0xCC, 0xCC,
0xCC, 0xBB, 0xBB, 0xBB, 0xAA, 0xAA, 0xAA, 0xFF
};
PROCESS_BEGIN();
printf("eeprom-test: Size = %d bytes\n", EEPROM_SIZE);
/* Check to see if the EEPROM is empty */
for(addr = 0; addr < EEPROM_SIZE; ++addr) {
uint8_t byte;
print_content();
printf("\nErase EEPROM content\n");
erase_content();
print_content();
counter = 0;
for(addr = 0; addr < EEPROM_SIZE; ++addr) {
eeprom_write(addr, &counter, 1);
counter += 1;
}
counter = 0;
for(addr = 0; addr < EEPROM_SIZE; ++addr) {
byte = 0;
eeprom_read(addr, &byte, 1);
if(byte != 0xFF) {
if(byte != counter) {
error++;
eeprom_read(addr, &byte, 1);
printf
("eeprom-test: EEPROM write failure! 0x%x =/= 0x%x at address 0x%x\n",
byte, counter, addr);
break;
}
counter += 1;
}
if(addr == EEPROM_SIZE) {
printf("eeprom-test: EEPROM is empty. Proceding with write test...\n");
counter = 0;
for(addr = 0; addr < EEPROM_SIZE; ++addr) {
eeprom_write(addr, &counter, 1);
counter += 1;
}
counter = 0;
for(addr = 0; addr < EEPROM_SIZE; ++addr) {
uint8_t byte;
eeprom_read(addr, &byte, 1);
if(byte != counter) {
printf("eeprom-test: EEPROM write failure!\n");
break;
}
counter += 1;
}
if(error)
printf("eeprom-test: EEPROM write test FAIL!\n%d errors", error);
else
printf("eeprom-test: EEPROM write test success!\n");
} else {
printf("eeprom-test: EEPROM is NOT empty! Skipping write test.\n");
}
print_content();
printf("Fill memory with buffer\n");
for(addr = 0; addr < EEPROM_SIZE; addr += sizeof(buffer)) {
eeprom_write(addr, ((unsigned char *)buffer), sizeof(buffer));
}
/*
printf("Write data buffer %d at address 0x0\n", sizeof(buffer));
eeprom_write(0x0, ((unsigned char *)buffer), sizeof(buffer));
printf("Write data buffer %d at address 0x40\n", sizeof(buffer));
eeprom_write(0x40, ((unsigned char *)buffer), sizeof(buffer));
printf("Write data buffer %d at address 0x95\n", sizeof(buffer));
eeprom_write(0x95, ((unsigned char *)buffer), sizeof(buffer));
*/
print_content();
PROCESS_END();
}
/*---------------------------------------------------------------------------*/