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authorJosh Blum <josh@joshknows.com>2010-07-30 12:43:41 -0700
committerJosh Blum <josh@joshknows.com>2010-07-30 12:43:41 -0700
commit4240d5a2a1b705fe8ed5c3a1d1deef24be00d444 (patch)
tree6c292d10784049bd5f4e92e69de00f227b279cb1 /firmware/microblaze/apps/cruft/test_i2c.c
parent5dca9e6315c5f827d97351316e5bdd3a786dc4f1 (diff)
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usrp2: reorganized firmware directory
Diffstat (limited to 'firmware/microblaze/apps/cruft/test_i2c.c')
-rw-r--r--firmware/microblaze/apps/cruft/test_i2c.c108
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;
+}
+