static bool hfa_initialise(struct cgpu_info *hashfast)
{
int err;
if (hashfast->usbinfo.nodev)
return false;
hfa_clear_readbuf(hashfast);
err = usb_transfer(hashfast, 0, 9, 1, 0, C_ATMEL_RESET);
if (!err)
err = usb_transfer(hashfast, 0x21, 0x22, 0, 0, C_ATMEL_OPEN);
if (!err) {
uint32_t buf[2];
/* Magic sequence to reset device only really needed for windows
* but harmless on linux. */
buf[0] = 0x80250000;
buf[1] = 0x00000800;
err = usb_transfer_data(hashfast, 0x21, 0x20, 0x0000, 0, buf,
7, C_ATMEL_INIT);
}
if (err < 0) {
applog(LOG_INFO, "HFA %d: Failed to open with error %s",
hashfast->device_id, libusb_error_name(err));
}
/* Must have transmitted init sequence sized buffer */
return (err == 7);
}
static void _transfer(struct cgpu_info *gridseed, uint8_t request_type, uint8_t bRequest,
uint16_t wValue, uint16_t wIndex, uint32_t *data, int siz, enum usb_cmds cmd)
{
int err;
err = usb_transfer_data(gridseed, request_type, bRequest, wValue, wIndex, data, siz, cmd);
applog(LOG_DEBUG, "%s: cgid %d %s got err %d",
gridseed->drv->name, gridseed->sgminer_id,
usb_cmdname(cmd), err);
}
