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author | Josh Blum <josh@joshknows.com> | 2010-07-30 12:43:41 -0700 |
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committer | Josh Blum <josh@joshknows.com> | 2010-07-30 12:43:41 -0700 |
commit | 4240d5a2a1b705fe8ed5c3a1d1deef24be00d444 (patch) | |
tree | 6c292d10784049bd5f4e92e69de00f227b279cb1 /firmware/microblaze/apps/cruft/test_i2c.c | |
parent | 5dca9e6315c5f827d97351316e5bdd3a786dc4f1 (diff) | |
download | uhd-4240d5a2a1b705fe8ed5c3a1d1deef24be00d444.tar.gz uhd-4240d5a2a1b705fe8ed5c3a1d1deef24be00d444.tar.bz2 uhd-4240d5a2a1b705fe8ed5c3a1d1deef24be00d444.zip |
usrp2: reorganized firmware directory
Diffstat (limited to 'firmware/microblaze/apps/cruft/test_i2c.c')
-rw-r--r-- | firmware/microblaze/apps/cruft/test_i2c.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/firmware/microblaze/apps/cruft/test_i2c.c b/firmware/microblaze/apps/cruft/test_i2c.c new file mode 100644 index 000000000..f349ead88 --- /dev/null +++ b/firmware/microblaze/apps/cruft/test_i2c.c @@ -0,0 +1,108 @@ +/* + * 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; +} + |