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/*
* Copyright 2007 Free Software Foundation, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdint.h>
#include <u2_init.h> /* FIXME */
#include <i2c.h>
#include <usrp2_i2c_addr.h>
#include <string.h>
#include <hal_io.h>
#define ASSERT_TRUE(x) \
do { \
if (!(x)){ \
printf("ASSERT_TRUE failed on line %d\n", __LINE__); \
nerrors++; \
} \
} while(0)
#define ASSERT_FALSE(x) \
do { \
if (x){ \
printf("ASSERT_FALSE failed on line %d\n", __LINE__); \
nerrors++; \
} \
} while(0)
#define BUFSIZE 128
int
main(void)
{
int i;
bool ok;
int nerrors = 0;
uint8_t buf[BUFSIZE];
int not_dev_addr = 0x35; // no device with this address on the i2c bus.
int offset;
int len;
u2_init();
puts("test_i2c\n");
// try writing a non-existent device
buf[0] = 0xA5;
ok = i2c_write(not_dev_addr, buf, 1);
ASSERT_FALSE(ok);
// try read from non-existent device
buf[0] = 0;
ok = i2c_read(not_dev_addr, buf, 1);
ASSERT_FALSE(ok);
// try writing eeprom
offset = 31;
len = 8;
memset(buf, 0, sizeof(buf));
for (i = 0; i < len; i++)
buf[i] = i;
ok = eeprom_write(I2C_ADDR_MBOARD, offset, buf, len);
ASSERT_TRUE(ok);
// now try to read it back
offset = 31;
len = 8;
memset(buf, 0, sizeof(buf));
ok = eeprom_read(I2C_ADDR_MBOARD, offset, buf, len);
ASSERT_TRUE(ok);
// check result
for (i = 0; i < len; i++){
if (buf[i] != i){
printf("buf[%d] = %d, should be %d\n", i, buf[i], i);
nerrors++;
}
}
if (nerrors == 0){
output_regs->leds = 0x3;
puts("PASSED\n");
}
else {
output_regs->leds = 0x0;
puts("FAILED\n");
}
hal_finish();
return 0;
}
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