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Iterate over spare bytes in the avalon result returned from a reset request trying to find the beginning of the reset.

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This commit is contained in:
Con Kolivas 2013-05-26 21:30:55 +10:00
parent 467d149785
commit 1f493d6462
1 changed files with 13 additions and 8 deletions
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21
driver-avalon.c
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@ -269,8 +269,8 @@ static int avalon_reset(struct cgpu_info *avalon, int fd)
{
struct avalon_result ar;
struct avalon_task at;
uint8_t *buf;
int ret, i = 0;
uint8_t *buf, *tmp;
int ret, i, spare;
struct timespec p;
/* Send reset, then check for result */
@ -294,12 +294,17 @@ static int avalon_reset(struct cgpu_info *avalon, int fd)
p.tv_nsec = AVALON_RESET_PITCH;
nanosleep(&p, NULL);
buf = (uint8_t *)&ar;
/* We may also get 0x00 and 0x18 first */
if (buf[0] != 0xAA)
buf = &buf[1];
if (buf[0] != 0xAA)
buf = &buf[1];
/* Look for the first occurrence of 0xAA, the reset response should be:
* AA 55 AA 55 00 00 00 00 00 00 */
spare = AVALON_READ_SIZE - 10;
tmp = (uint8_t *)&ar;
for (i = 0; i <= spare; i++) {
buf = &tmp[i];
if (buf[0] == 0xAA)
break;
}
i = 0;
if (buf[0] == 0xAA && buf[1] == 0x55 &&
buf[2] == 0xAA && buf[3] == 0x55) {
for (i = 4; i < 11; i++)