a752c7ab
 elopes
add first test an...
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/*
* Copyright (C) 2015 Eistec AB
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup tests
* @{
*
* @file
* @brief Test application for the SPI NVRAM driver
*
* @author Joakim Nohlgård <joakim.nohlgard@eistec.se
*
* @}
*/
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include "board.h"
#include "xtimer.h"
#include "periph/spi.h"
#include "nvram-spi.h"
#ifndef TEST_NVRAM_SPI_DEV
#error "TEST_NVRAM_SPI_DEV not defined"
#endif
#ifndef TEST_NVRAM_SPI_CS
#error "TEST_NVRAM_SPI_CS not defined"
#endif
#ifndef TEST_NVRAM_SPI_SIZE
#error "TEST_NVRAM_SPI_SIZE not defined"
#endif
#ifndef TEST_NVRAM_SPI_ADDRESS_COUNT
#error "TEST_NVRAM_SPI_ADDRESS_COUNT not defined"
#endif
#ifdef TEST_NVRAM_SPI_MODE
#define SPI_MODE (TEST_NVRAM_SPI_MODE)
#else
#define SPI_MODE (SPI_MODE_0)
#endif
#ifdef TEST_NVRAM_SPI_SPEED
#define SPI_CLK (TEST_NVRAM_SPI_SPEED)
#else
#define SPI_CLK (SPI_CLK_10MHZ)
#endif
/* This will only work on small memories. Modify if you need to test NVRAM
* memories which do not fit inside free RAM */
static uint8_t buf_out[TEST_NVRAM_SPI_SIZE];
static uint8_t buf_in[TEST_NVRAM_SPI_SIZE];
/**
* @brief xxd-like printing of a binary buffer
*/
static void print_buffer(const uint8_t * buf, size_t length) {
static const unsigned int bytes_per_line = 16;
static const unsigned int bytes_per_group = 2;
unsigned long i = 0;
while (i < length) {
unsigned int col;
for (col = 0; col < bytes_per_line; ++col) {
/* Print hex data */
if (col == 0) {
printf("\n%08lx: ", i);
}
else if ((col % bytes_per_group) == 0) {
putchar(' ');
}
if ((i + col) < length) {
printf("%02hhx", buf[i + col]);
} else {
putchar(' ');
putchar(' ');
}
}
putchar(' ');
for (col = 0; col < bytes_per_line; ++col) {
if ((i + col) < length) {
/* Echo only printable chars */
if (isprint(buf[i + col])) {
putchar(buf[i + col]);
} else {
putchar('.');
}
} else {
putchar(' ');
}
}
i += bytes_per_line;
}
/* end with a newline */
puts("");
}
/* weak PRNG for generating "random" test data */
static uint8_t lcg_rand8(void) {
static const uint32_t a = 1103515245;
static const uint32_t c = 12345;
static uint32_t val = 123456; /* seed value */
val = val * a + c;
return (val >> 16) & 0xff;
}
int main(void)
{
uint32_t i;
nvram_spi_params_t spi_params = {
.spi = TEST_NVRAM_SPI_DEV,
.clk = SPI_CLK,
.cs = TEST_NVRAM_SPI_CS,
.address_count = TEST_NVRAM_SPI_ADDRESS_COUNT,
};
nvram_t dev;
uint32_t start_delay = 10;
puts("NVRAM SPI test application starting...");
puts("Initializing NVRAM SPI device descriptor... ");
if (nvram_spi_init(&dev, &spi_params, TEST_NVRAM_SPI_SIZE) == 0) {
puts("[OK]");
}
else {
puts("[Failed]\n");
return 1;
}
puts("NVRAM SPI init done.\n");
puts("!!! This test will erase everything on the NVRAM !!!");
puts("!!! Unplug/reset/halt device now if this is not acceptable !!!");
puts("Waiting for 10 seconds before continuing...");
xtimer_sleep(start_delay);
puts("Reading current memory contents...");
for (i = 0; i < TEST_NVRAM_SPI_SIZE; ++i) {
if (dev.read(&dev, &buf_in[i], i, 1) != 1) {
puts("[Failed]\n");
return 1;
}
}
puts("[OK]");
puts("NVRAM contents before test:");
print_buffer(buf_in, sizeof(buf_in));
puts("Writing bytewise 0xFF to device");
memset(buf_out, 0xff, sizeof(buf_out));
for (i = 0; i < TEST_NVRAM_SPI_SIZE; ++i) {
if (dev.write(&dev, &buf_out[i], i, 1) != 1) {
puts("[Failed]\n");
return 1;
}
if (buf_out[i] != 0xff) {
puts("nvram_spi_write modified *src!");
printf(" i = %08lx\n", (unsigned long) i);
puts("[Failed]\n");
return 1;
}
}
puts("Reading back blockwise");
memset(buf_in, 0x00, sizeof(buf_in));
if (dev.read(&dev, buf_in, 0, TEST_NVRAM_SPI_SIZE) != TEST_NVRAM_SPI_SIZE) {
puts("[Failed]\n");
return 1;
}
puts("[OK]");
puts("Verifying contents...");
if (memcmp(buf_in, buf_out, TEST_NVRAM_SPI_SIZE) != 0) {
puts("[Failed]\n");
return 1;
}
puts("[OK]");
puts("Writing blockwise address complement to device");
for (i = 0; i < TEST_NVRAM_SPI_SIZE; ++i) {
buf_out[i] = (~(i)) & 0xff;
}
if (dev.write(&dev, buf_out, 0, TEST_NVRAM_SPI_SIZE) != TEST_NVRAM_SPI_SIZE) {
puts("[Failed]\n");
return 1;
}
puts("[OK]");
puts("buf_out:");
print_buffer(buf_out, sizeof(buf_out));
puts("Reading back blockwise");
memset(buf_in, 0x00, sizeof(buf_in));
if (dev.read(&dev, buf_in, 0, TEST_NVRAM_SPI_SIZE) != TEST_NVRAM_SPI_SIZE) {
puts("[Failed]\n");
return 1;
}
puts("[OK]");
puts("Verifying contents...");
if (memcmp(buf_in, buf_out, TEST_NVRAM_SPI_SIZE) != 0) {
puts("buf_in:");
print_buffer(buf_in, sizeof(buf_in));
puts("[Failed]\n");
return 1;
}
puts("[OK]");
puts("Generating pseudo-random test data...");
for (i = 0; i < TEST_NVRAM_SPI_SIZE; ++i) {
buf_out[i] = lcg_rand8();
}
puts("buf_out:");
print_buffer(buf_out, sizeof(buf_out));
puts("Writing blockwise data to device");
if (dev.write(&dev, buf_out, 0, TEST_NVRAM_SPI_SIZE) != TEST_NVRAM_SPI_SIZE) {
puts("[Failed]\n");
return 1;
}
puts("[OK]");
puts("Reading back blockwise");
memset(buf_in, 0x00, sizeof(buf_in));
if (dev.read(&dev, buf_in, 0, TEST_NVRAM_SPI_SIZE) != TEST_NVRAM_SPI_SIZE) {
puts("[Failed]\n");
return 1;
}
puts("[OK]");
puts("Verifying contents...");
if (memcmp(buf_in, buf_out, TEST_NVRAM_SPI_SIZE) != 0) {
puts("buf_in:");
print_buffer(buf_in, sizeof(buf_in));
puts("[Failed]\n");
return 1;
}
puts("[OK]");
puts("All tests passed!");
while(1);
return 0;
}
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