// Receive a chunk of data from the micro.
//
static NeroStatus doReceive(
struct NeroHandle *handle, uint8 *receivePtr, uint16 chunkSize, const char **error)
{
NeroStatus returnCode = NERO_SUCCESS;
int uStatus = usbBulkRead(
handle->device,
handle->inEndpoint, // read from in endpoint
receivePtr, // read into the receive buffer
chunkSize, // read this many bytes
5000, // timeout in milliseconds
error
);
CHECK_STATUS(uStatus, "doReceive()", NERO_RECEIVE);
cleanup:
return returnCode;
}
// Read some raw bytes from the device.
//
FLStatus flRead(
struct FLContext *handle, uint8 *buffer, uint32 count, uint32 timeout, const char **error)
{
FLStatus retVal = FL_SUCCESS;
USBStatus uStatus = usbBulkRead(
handle->device,
handle->commInEP, // endpoint to read
buffer, // space for data
count, // number of bytes
timeout,
error
);
CHECK_STATUS(uStatus, FL_USB_ERR, cleanup, "flRead()");
cleanup:
return retVal;
}
void Sdr1kUsb::usbThread()
{
lock();
while (usbStatus >= 0) {
waitUpdate();
if (usbStatus >= 0) {
usbStatus = usbBulkWrite(outEP, outbuf, outcount);
outcount = 0;
if (usbStatus >= 0) {
usbStatus = usbBulkRead(inEP, inbuf, 3);
if (inbuf[0] != pstatus) {
pstatus = inbuf[0];
signalInput();
}
}
}
}
signalInput();
unlock();
}
int Sdr1kUsb::Open(BOOL rfe, BOOL adc, int select)
{
if (usbStatus >= 0) Close();
GetNumDevs();
int idx = select;
if (select < 0) idx = 0;
while (idx < devcount) {
if (usbOpen(device[idx])) {
if (usbSetConfiguration(1) == 0
&& usbClaimInterface(0) == 0
&& usbSetAltinterface(1) == 0)
{
usbStatus = 0;
break;
}
usbClose();
}
if (select < 0) idx++;
else return usbStatus;
}
if (usbStatus < 0) return usbStatus;
#ifdef SDR1KUSB_INFO
printf("device %d: %s\n", idx, device[idx]->filename);
printf("hardware: %s\n", hw[idx]->name);
#endif
inEP = hw[idx]->inEP;
outEP = hw[idx]->outEP;
usbClearHalt(inEP);
usbClearHalt(outEP);
int* fwSize = hw[idx]->fwSize;
int* fwAddr = hw[idx]->fwAddr;
BYTE** fwBytes = hw[idx]->fwBytes;
for (int i = 0; fwSize[i] > 0; i++) {
ezusbFirmwareDownload(fwAddr[i], fwBytes[i], fwSize[i]);
}
int eepromSize = hw[idx]->eepromSize;
if (eepromSize == 16) {
BYTE eeprom[16];
usbBulkRead(inEP, eeprom, 16);
#ifdef SDR1KUSB_INFO
printf("EEPROM:");
for (int i = 0; i < 16; i++) {
printf(" %02X", eeprom[i]);
}
printf("\n");
#endif
}
inputEvent = 0;
usbUpdatePeriod = USB_UPDATE_DEFAULT;
outcount = 0;
startUsbThread();
Latch(0x0F, 0);
DDSReset();
rfeEnabled = rfe;
if (rfeEnabled) {
LatchBpf(0); // bpfBits |= 0x24
adcEnabled = adc;
SRLoadIC11(0);
SRLoadIC7(0);
SRLoadIC10(0);
SRLoadIC9(0);
}
else adcEnabled = 0;
if (Commit() < 0) {
Close();
return usbStatus;
}
return idx;
}
