*
* 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; version 2 of the License.
+ * the Free Software Foundation; either version 2 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
{
int i;
int errors = 0;
+ int s;
for (i = 0; i < in_len; i++) {
double error = gaussian_random(0, dev);
else
byte -= error;
}
+
+ /* abcd efgh 8
+ * abcd efga 7
+ * abcd efab 6
+ * abcd eabc 5
+ * abcd abcd 4
+ * abca bcab 3
+ * abab abab 2
+ * aaaa aaaa 1
+ */
+
+#define SAVE 8
+#define SAVE_MASK (((1 << SAVE) - 1) << (8 - SAVE))
+
+ byte &= SAVE_MASK;
+ for (s = SAVE; s < 8; s += SAVE)
+ byte |= byte >> s;
+
out[i] = byte;
}
return errors;
return ok;
}
+int
+ao_hello_packet(void)
+{
+ uint8_t message[5] = "hello";
+ uint8_t encode[ENCODE_LEN(sizeof(message))];
+ int encode_len;
+ uint8_t transmit[EXPAND_LEN(sizeof(message))];
+ uint8_t decode[DECODE_LEN(sizeof(message))];
+ int transmit_len;
+ int decode_ok;
+
+ printf("Hello packet test:\n");
+ ao_fec_dump_bytes(message, sizeof(message), "Message");
+ encode_len = ao_fec_encode(message, sizeof(message), encode);
+ ao_fec_dump_bytes(encode, encode_len, "Encode");
+ transmit_len = ao_expand(encode, encode_len, transmit);
+ ao_fec_dump_bytes(transmit, transmit_len, "Transmit");
+ decode_ok = ao_fec_decode(transmit, transmit_len, decode, sizeof(message) + 2, NULL);
+ ao_fec_dump_bytes(decode, sizeof(message) + 2, "Receive");
+ printf("Hello result: %s\n", decode_ok ? "success" : "fail");
+ return decode_ok;
+}
+
#define EXPECT_DECODE_FAIL 0
-#define EXPECT_CRC_MISMATCH 6386
+#define EXPECT_CRC_MISMATCH 6304
#define EXPECT_DATA_MISMATCH 0
#define NOISE_AMOUNT 0x50
if (!ao_real_packet())
errors++;
+ if (!ao_hello_packet())
+ errors++;
+
srandom(0);
for (trial = 0; trial < 100000; trial++) {