static void gc3355_init(struct cgpu_info *gridseed, GRIDSEED_INFO *info)
{
unsigned char buf[512];
int amount;
applog(LOG_NOTICE, "System reseting");
gc3355_send_cmds(gridseed, str_reset);
cgsleep_ms(200);
usb_buffer_clear(gridseed);
usb_read_timeout(gridseed, buf, sizeof(buf), &amount, 10, C_GETRESULTS);
gc3355_send_cmds(gridseed, str_init);
gc3355_send_cmds(gridseed, str_ltc_reset);
gc3355_set_core_freq(gridseed);
if (info->voltage)
gc3355_increase_voltage(gridseed);
}
static bool gridseed_prepare_work(struct thr_info __maybe_unused *thr, struct work *work) {
struct cgpu_info *gridseed = thr->cgpu;
GRIDSEED_INFO *info = gridseed->device_data;
cgtime(&info->scanhash_time);
gc3355_send_cmds(gridseed, str_ltc_reset);
usb_buffer_clear(gridseed);
return gridseed_send_task(gridseed, work);
}
static void gc3355_init(struct cgpu_info *gridseed, GRIDSEED_INFO *info, bool set_nonce)
{
unsigned char buf[512];
int amount;
applog(LOG_NOTICE, "System reseting");
gc3355_send_cmds(gridseed, str_reset);
cgsleep_ms(200);
usb_buffer_clear(gridseed);
usb_read_timeout(gridseed, buf, sizeof(buf), &amount, 10, C_GETRESULTS);
gc3355_send_cmds(gridseed, str_init);
gc3355_send_cmds(gridseed, str_ltc_reset);
gc3355_set_core_freq(gridseed);
if (set_nonce)
gc3355_set_init_nonce(gridseed);
//gc3355_send_cmds(gridseed, str_baud);
//gc3355_send_cmds(gridseed, str_enable_btc_cores);
gc3355_enable_btc_cores(gridseed, info);
if (info->usefifo == 0)
gc3355_send_cmds(gridseed, str_nofifo);
gridseed_request_ltc_task(gridseed, info);
return;
}
static void gc3355_set_core_freq(struct cgpu_info *gridseed)
{
GRIDSEED_INFO *info;
int inx;
char *p;
char *cmds[4];
info = (GRIDSEED_INFO*)(gridseed->device_data);
inx = info->freq;
cmds[0] = (char *)str_frequency[inx*2];
cmds[1] = (char *)str_frequency[inx*2+1];
cmds[2] = NULL;
cmds[3] = NULL;
gc3355_send_cmds(gridseed, (const char **)cmds);
applog(LOG_INFO, "Set GC3355 core frequency to %sMhz", opt_frequency[inx]);
return;
}
/*
* check if we have LTC task. timeout 1ms
*/
static void gridseed_recv_ltc(struct cgpu_info *gridseed, GRIDSEED_INFO *info)
{
fd_set rdfs;
struct timeval tv;
unsigned char buf[156];
int sock;
int n;
sock = info->sockltc;
if (sock <= 0)
return;
re_read:
tv.tv_sec = 0;
tv.tv_usec = 10000;
FD_ZERO(&rdfs);
FD_SET(sock, &rdfs);
if (select(sock+1, &rdfs, NULL, NULL, &tv) <= 0)
return;
n = recvfrom(sock, buf, sizeof(buf), 0, NULL, NULL);
if (n != sizeof(buf))
goto re_read;
mutex_lock(&info->qlock);
if (buf[0] == 0x55 || buf[1] == 0xaa) {
if (buf[2] == 0x1f) {
gc3355_send_cmds(gridseed, str_ltc_reset);
gc3355_write_data(gridseed, buf, sizeof(buf));
}
else if (buf[2] == 0x55) { // ping command
unsigned char nonce[12];
memcpy(nonce, "\x55\xaa\x55\xaa\x11\x22\x33\x44\x55\x66\x77\x88", 12);
gridseed_send_ltc_nonce(gridseed, info, nonce, sizeof(nonce));
}
}
mutex_unlock(&info->qlock);
goto re_read;
}
