99 lines
3.2 KiB
C
99 lines
3.2 KiB
C
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/*
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* Copyright (c) 2013, Robert Quattlebaum
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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*/
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/**
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* \file
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* A very simple Contiki application showing how to read and write
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* data using Contiki's EEPROM API.
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* \author
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* Robert Quattlebaum <darco@deepdarc.com>
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*/
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#include "contiki.h"
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#include "dev/eeprom.h"
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#include <stdio.h> /* For printf() */
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/*---------------------------------------------------------------------------*/
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PROCESS(eeprom_test_process, "EEPROM Test Process");
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AUTOSTART_PROCESSES(&eeprom_test_process);
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(eeprom_test_process, ev, data)
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{
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static uint8_t counter = 0;
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static eeprom_addr_t addr = 0;
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PROCESS_BEGIN();
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printf("eeprom-test: Size = %d bytes\n", EEPROM_SIZE);
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/* Check to see if the EEPROM is empty */
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for(addr = 0; addr < EEPROM_SIZE; ++addr) {
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uint8_t byte;
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eeprom_read(addr, &byte, 1);
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if(byte != 0xFF) {
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break;
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}
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}
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if(addr == EEPROM_SIZE) {
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printf("eeprom-test: EEPROM is empty. Proceding with write test...\n");
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counter = 0;
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for(addr = 0; addr < EEPROM_SIZE; ++addr) {
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eeprom_write(addr, &counter, 1);
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counter += 1;
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}
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counter = 0;
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for(addr = 0; addr < EEPROM_SIZE; ++addr) {
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uint8_t byte;
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eeprom_read(addr, &byte, 1);
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if(byte != counter) {
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printf("eeprom-test: EEPROM write failure!\n");
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break;
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}
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counter += 1;
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}
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printf("eeprom-test: EEPROM write test success!\n");
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} else {
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printf("eeprom-test: EEPROM is NOT empty! Skipping write test.\n");
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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