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libztex: Match mining firmware ZTEX descriptor against the dummy firmware

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The first 8 bytes are matched, which ensures that the mining firmware
actually fits the hardware, assuming that the correct dummy firmware
is present in the device.
This commit is contained in:
Denis Ahrens 2012-12-01 08:41:25 +01:00
parent 8d7ad82806
commit 843e9120b3
1 changed files with 9 additions and 0 deletions
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9
libztex.c
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@ -152,6 +152,15 @@ static enum check_result libztex_checkDevice(struct libusb_device *dev)
goto done;
}
// in buf[] is still the identifier of the dummy firmware
// use it to compare it with the new firmware
char *rv = memmem(fw_buf, got_bytes, buf, 8);
if (rv == NULL)
{
applog(LOG_ERR, "%s: found firmware is not ZTEX", __func__);
goto done;
}
// reset 1
buf[0] = 1;
cnt = libusb_control_transfer(hndl, 0x40, 0xA0, 0xE600, 0, buf, 1,1000);