Browse Source

Moving space indentation to tabs

For consistency with cgminer sources
nelisky 14 years ago
parent
commit
c280dd0dae
3 changed files with 624 additions and 627 deletions
  1. 377 380
      libztex.c
  2. 34 34
      libztex.h
  3. 213 213
      ztex.c

+ 377 - 380
libztex.c

@@ -45,428 +45,425 @@
 
 
 static bool libztex_checkDevice (struct libusb_device *dev) {
-  int err;
-
-  struct libusb_device_descriptor desc;
-  err = libusb_get_device_descriptor(dev, &desc);
-  if (unlikely(err != 0)) {
-    applog(LOG_ERR, "Ztex check device: Failed to open read descriptor with error %d", err);
-    return false;
-  }
-  if (!(desc.idVendor == LIBZTEX_IDVENDOR && desc.idProduct == LIBZTEX_IDPRODUCT)) {
-    return false;
-  }
-  return true;
+	int err;
+
+	struct libusb_device_descriptor desc;
+	err = libusb_get_device_descriptor(dev, &desc);
+	if (unlikely(err != 0)) {
+		applog(LOG_ERR, "Ztex check device: Failed to open read descriptor with error %d", err);
+		return false;
+	}
+	if (!(desc.idVendor == LIBZTEX_IDVENDOR && desc.idProduct == LIBZTEX_IDPRODUCT)) {
+		return false;
+	}
+	return true;
 }
 
 static bool libztex_checkCapability (struct libztex_device *ztex, int i, int j) {
-  if (!((i>=0) && (i<=5) && (j>=0) && (j<8) &&
-        (((ztex->interfaceCapabilities[i] & 255) & (1 << j)) != 0))) {
-    applog(LOG_ERR, "%s: capability missing: %d %d", ztex->repr, i, i);
-  }
-  return true;
+	if (!((i>=0) && (i<=5) && (j>=0) && (j<8) &&
+	     (((ztex->interfaceCapabilities[i] & 255) & (1 << j)) != 0))) {
+		applog(LOG_ERR, "%s: capability missing: %d %d", ztex->repr, i, i);
+	}
+	return true;
 }
 
 static int libztex_detectBitstreamBitOrder (const unsigned char *buf, int size) {
-  int i;
-  size -= 4;
-  for (i=0; i<size; i++) {
-    if ( ((buf[i] & 255)==0xaa) && ((buf[i+1] & 255)==0x99) && ((buf[i+2] & 255)==0x55) && ((buf[i+3] & 255)==0x66) )
-      return 1;
-    if ( ((buf[i] & 255)==0x55) && ((buf[i+1] & 255)==0x99) && ((buf[i+2] & 255)==0xaa) && ((buf[i+3] & 255)==0x66) )
-      return 0;
-  } 
-  applog(LOG_WARNING, "Unable to determine bitstream bit order: no signature found");
-  return 0;
+	int i;
+	size -= 4;
+	for (i=0; i<size; i++) {
+		if ( ((buf[i] & 255)==0xaa) && ((buf[i+1] & 255)==0x99) && ((buf[i+2] & 255)==0x55) && ((buf[i+3] & 255)==0x66) )
+			return 1;
+		if ( ((buf[i] & 255)==0x55) && ((buf[i+1] & 255)==0x99) && ((buf[i+2] & 255)==0xaa) && ((buf[i+3] & 255)==0x66) )
+			return 0;
+	} 
+	applog(LOG_WARNING, "Unable to determine bitstream bit order: no signature found");
+	return 0;
 }
 
 static void libztex_swapBits (unsigned char *buf, int size) {
-  int i;
-  unsigned char c;
-  for (i=0; i<size; i++) {
-    c = buf[i];
-    buf[i] = ((c & 128) >> 7) |
-      ((c & 64) >> 5) |
-      ((c & 32) >> 3) |
-      ((c & 16) >> 1) |
-      ((c & 8) << 1) |
-      ((c & 4) << 3) |
-      ((c & 2) << 5) |
-      ((c & 1) << 7);
-  }
+	int i;
+	unsigned char c;
+	for (i=0; i<size; i++) {
+		c = buf[i];
+		buf[i] = ((c & 128) >> 7) |
+		         ((c & 64) >> 5) |
+		         ((c & 32) >> 3) |
+		         ((c & 16) >> 1) |
+		         ((c & 8) << 1) |
+		         ((c & 4) << 3) |
+		         ((c & 2) << 5) |
+		         ((c & 1) << 7);
+	}
 }
 
 static int libztex_getFpgaState (struct libztex_device *ztex, struct libztex_fpgastate *state) {
-  int cnt;
-  unsigned char buf[9];
-  if (!libztex_checkCapability(ztex, CAPABILITY_FPGA)) {
-    return -1;
-  }
-  cnt = libusb_control_transfer(ztex->hndl, 0xc0, 0x30, 0, 0, buf, 9, 1000);
-  if (unlikely(cnt < 0)) {
-    applog(LOG_ERR, "%s: Failed getFpgaState with err %d", ztex->repr, cnt);
-    return cnt;
-  }
-  state->fpgaConfigured = buf[0] == 0;
-  state->fpgaChecksum = buf[1] & 0xff;
-  state->fpgaBytes = ((buf[5] & 0xff)<<24) | ((buf[4] & 0xff)<<16) | ((buf[3] & 0xff)<<8) | (buf[2] & 0xff);
-  state->fpgaInitB = buf[6] & 0xff;
-  state->fpgaFlashResult = buf[7];
-  state->fpgaFlashBitSwap = buf[8] != 0;
-  return 0;
+	int cnt;
+	unsigned char buf[9];
+	if (!libztex_checkCapability(ztex, CAPABILITY_FPGA)) {
+		return -1;
+	}
+	cnt = libusb_control_transfer(ztex->hndl, 0xc0, 0x30, 0, 0, buf, 9, 1000);
+	if (unlikely(cnt < 0)) {
+		applog(LOG_ERR, "%s: Failed getFpgaState with err %d", ztex->repr, cnt);
+		return cnt;
+	}
+	state->fpgaConfigured = buf[0] == 0;
+	state->fpgaChecksum = buf[1] & 0xff;
+	state->fpgaBytes = ((buf[5] & 0xff)<<24) | ((buf[4] & 0xff)<<16) | ((buf[3] & 0xff)<<8) | (buf[2] & 0xff);
+	state->fpgaInitB = buf[6] & 0xff;
+	state->fpgaFlashResult = buf[7];
+	state->fpgaFlashBitSwap = buf[8] != 0;
+	return 0;
 }
 
 static int libztex_configureFpgaLS (struct libztex_device *ztex, const char* firmware, bool force, char bs) {
-  struct libztex_fpgastate state;
-  ssize_t pos=0;
-  int transactionBytes = 2048;
-  unsigned char buf[transactionBytes], cs;
-  int tries, cnt, buf_p, i;
-  FILE *fp;
-
-  if (!libztex_checkCapability(ztex, CAPABILITY_FPGA)) {
-    return -1;
-  }
-
-  libztex_getFpgaState(ztex, &state);
-  if (!force) {
-    if (state.fpgaConfigured) {
-      return 1;
-    }
-  }
-
-  for (tries=10; tries>0; tries--) {
-
-    fp = fopen(firmware, "rb");
-    if (!fp) {
-      applog(LOG_ERR, "%s: failed to read firmware '%s'", ztex->repr, firmware);
-      return -2;
-    }
-
-    cs = 0;
-    while (pos < transactionBytes && !feof(fp)) {
-      buf[pos] = getc(fp);
-      cs += buf[pos++];
-    };
-    if (feof(fp))
-      pos--;
-
-    if ( bs<0 || bs>1 )
-      bs = libztex_detectBitstreamBitOrder(buf, transactionBytes<pos ? transactionBytes : pos);
-
-	  //* Reset fpga
-    cnt = libztex_resetFpga(ztex);
-    if (unlikely(cnt < 0)) {
-      applog(LOG_ERR, "%s: Failed reset fpga with err %d", ztex->repr, cnt);
-      continue;
-    }
-
-    if ( bs == 1 )
-      libztex_swapBits(buf, pos);
-   
-    buf_p = pos;
-    while (1) {
-      i = 0;
-      while (i < buf_p) {
-        cnt = libusb_control_transfer(ztex->hndl, 0x40, 0x32, 0, 0, &buf[i], buf_p-i, 5000);
-        if (unlikely(cnt < 0)) {
-          applog(LOG_ERR, "%s: Failed send fpga data with err %d", ztex->repr, cnt);
-          break;
-        }
-        i += cnt;
-      }
-      if (i < buf_p || buf_p < transactionBytes)
-        break;
-      buf_p = 0;
-      while (buf_p < transactionBytes && !feof(fp)) {
-        buf[buf_p] = getc(fp);
-        cs += buf[buf_p++];
-      };
-      if (feof(fp))
-        buf_p--;
-      pos += buf_p;
-      if (buf_p == 0)
-        break;
-      if ( bs == 1 )
-        libztex_swapBits(buf, buf_p);
-    }
-    if (cnt >= 0)
-      tries = 0;
-
-    fclose(fp);
-  }
-  libztex_getFpgaState(ztex, &state);
-  if (!state.fpgaConfigured) {
-    applog(LOG_ERR, "%s: FPGA configuration failed: DONE pin does not go high", ztex->repr);
-    return 3;
-  }
-  usleep(200000);
-  applog(LOG_ERR, "%s: FPGA configuration done", ztex->repr);
-  return 0;
+	struct libztex_fpgastate state;
+	ssize_t pos=0;
+	int transactionBytes = 2048;
+	unsigned char buf[transactionBytes], cs;
+	int tries, cnt, buf_p, i;
+	FILE *fp;
+
+	if (!libztex_checkCapability(ztex, CAPABILITY_FPGA)) {
+		return -1;
+	}
+
+	libztex_getFpgaState(ztex, &state);
+	if (!force) {
+		if (state.fpgaConfigured) {
+			return 1;
+		}
+	}
+
+	for (tries=10; tries>0; tries--) {
+
+		fp = fopen(firmware, "rb");
+		if (!fp) {
+			applog(LOG_ERR, "%s: failed to read firmware '%s'", ztex->repr, firmware);
+			return -2;
+		}
+
+		cs = 0;
+		while (pos < transactionBytes && !feof(fp)) {
+			buf[pos] = getc(fp);
+			cs += buf[pos++];
+		};
+		if (feof(fp))
+			pos--;
+
+		if ( bs<0 || bs>1 )
+			bs = libztex_detectBitstreamBitOrder(buf, transactionBytes<pos ? transactionBytes : pos);
+
+		//* Reset fpga
+		cnt = libztex_resetFpga(ztex);
+		if (unlikely(cnt < 0)) {
+			applog(LOG_ERR, "%s: Failed reset fpga with err %d", ztex->repr, cnt);
+			continue;
+		}
+
+		if ( bs == 1 )
+			libztex_swapBits(buf, pos);
+	 
+		buf_p = pos;
+		while (1) {
+			i = 0;
+			while (i < buf_p) {
+				cnt = libusb_control_transfer(ztex->hndl, 0x40, 0x32, 0, 0, &buf[i], buf_p-i, 5000);
+				if (unlikely(cnt < 0)) {
+					applog(LOG_ERR, "%s: Failed send fpga data with err %d", ztex->repr, cnt);
+					break;
+				}
+				i += cnt;
+			}
+			if (i < buf_p || buf_p < transactionBytes)
+				break;
+			buf_p = 0;
+			while (buf_p < transactionBytes && !feof(fp)) {
+				buf[buf_p] = getc(fp);
+				cs += buf[buf_p++];
+			};
+			if (feof(fp))
+				buf_p--;
+			pos += buf_p;
+			if (buf_p == 0)
+				break;
+			if ( bs == 1 )
+				libztex_swapBits(buf, buf_p);
+		}
+		if (cnt >= 0)
+			tries = 0;
+
+		fclose(fp);
+	}
+	libztex_getFpgaState(ztex, &state);
+	if (!state.fpgaConfigured) {
+		applog(LOG_ERR, "%s: FPGA configuration failed: DONE pin does not go high", ztex->repr);
+		return 3;
+	}
+	usleep(200000);
+	applog(LOG_ERR, "%s: FPGA configuration done", ztex->repr);
+	return 0;
 }
 
 int libztex_configureFpga (struct libztex_device *ztex) {
-  int rv;
-  char buf[256] = "bitstreams/";
-  memset(&buf[11], 0, 245);
-  strcpy(&buf[11], ztex->bitFileName);
-  strcpy(&buf[strlen(buf)], ".bit");
-
-  rv = libztex_configureFpgaLS(ztex, buf, true, 2);
-  //if (rv == 0) {
-  //  libztex_setFreq(ztex, ztex->freqMDefault);
-  //}
-  return rv;
+	int rv;
+	char buf[256] = "bitstreams/";
+	memset(&buf[11], 0, 245);
+	strcpy(&buf[11], ztex->bitFileName);
+	strcpy(&buf[strlen(buf)], ".bit");
+
+	rv = libztex_configureFpgaLS(ztex, buf, true, 2);
+	return rv;
 }
 
 int libztex_setFreq (struct libztex_device *ztex, uint16_t freq) {
-  int cnt;
-  if (freq > ztex->freqMaxM) {
-    freq = ztex->freqMaxM;
-  }
-
-  cnt = libusb_control_transfer(ztex->hndl, 0x40, 0x83, freq, 0, NULL, 0, 500);
-  if (unlikely(cnt < 0)) {
-    applog(LOG_ERR, "Ztex check device: Failed to set frequency with err %d", cnt);
-    return cnt;
-  }
-  ztex->freqM = freq;
-  applog(LOG_WARNING, "%s: Frequency change to %0.2f Mhz", ztex->repr, ztex->freqM1 * (ztex->freqM + 1));
-
-  return 0;
+	int cnt;
+	if (freq > ztex->freqMaxM) {
+		freq = ztex->freqMaxM;
+	}
+
+	cnt = libusb_control_transfer(ztex->hndl, 0x40, 0x83, freq, 0, NULL, 0, 500);
+	if (unlikely(cnt < 0)) {
+		applog(LOG_ERR, "Ztex check device: Failed to set frequency with err %d", cnt);
+		return cnt;
+	}
+	ztex->freqM = freq;
+	applog(LOG_WARNING, "%s: Frequency change to %0.2f Mhz", ztex->repr, ztex->freqM1 * (ztex->freqM + 1));
+
+	return 0;
 }
 
 int libztex_resetFpga (struct libztex_device *ztex) {
-  return libusb_control_transfer(ztex->hndl, 0x40, 0x31, 0, 0, NULL, 0, 1000);
+	return libusb_control_transfer(ztex->hndl, 0x40, 0x31, 0, 0, NULL, 0, 1000);
 }
 
 int libztex_prepare_device (struct libusb_device *dev, struct libztex_device** ztex) {
-  struct libztex_device *newdev;
-  int cnt, err;
-  unsigned char buf[64];
-
-  newdev = malloc(sizeof(struct libztex_device));
-  newdev->valid = false;
-  newdev->hndl = NULL;
-  newdev->bitFileName = NULL;
-  *ztex = newdev;
-
-  err = libusb_get_device_descriptor(dev, &newdev->descriptor);
-  if (unlikely(err != 0)) {
-    applog(LOG_ERR, "Ztex check device: Failed to open read descriptor with error %d", err);
-    return err;
-  }
-
-  // Check vendorId and productId
-  if (!(newdev->descriptor.idVendor == LIBZTEX_IDVENDOR &&
-        newdev->descriptor.idProduct == LIBZTEX_IDPRODUCT)) {
-    applog(LOG_ERR, "Not a ztex device? %0.4X, %0.4X", newdev->descriptor.idVendor, newdev->descriptor.idProduct);
-    return 1;
-  }
-
-  err = libusb_open(dev, &newdev->hndl);
-  if (unlikely(err != 0)) {
-    applog(LOG_ERR, "Ztex check device: Failed to open handle with error %d", err);
-    return err;
-  }
-
-  cnt = libusb_get_string_descriptor_ascii (newdev->hndl, newdev->descriptor.iSerialNumber, newdev->snString,
-                                            LIBZTEX_SNSTRING_LEN+1);
-  if (unlikely(cnt < 0)) {
-    applog(LOG_ERR, "Ztex check device: Failed to read device snString with err %d", cnt);
-    return cnt;
-  }
-
-  cnt = libusb_control_transfer(newdev->hndl, 0xc0, 0x22, 0, 0, buf, 40, 500);
-  if (unlikely(cnt < 0)) {
-    applog(LOG_ERR, "Ztex check device: Failed to read ztex descriptor with err %d", cnt);
-    return cnt;
-  }
-  
-  if ( buf[0]!=40 || buf[1]!=1 || buf[2]!='Z' || buf[3]!='T' || buf[4]!='E' || buf[5]!='X' ) {
-    applog(LOG_ERR, "Ztex check device: Error reading ztex descriptor");
-    return 2;
-  }
-
-  newdev->productId[0] = buf[6];
-  newdev->productId[1] = buf[7];
-  newdev->productId[2] = buf[8];
-  newdev->productId[3] = buf[9];
-  newdev->fwVersion = buf[10];
-  newdev->interfaceVersion = buf[11];
-  newdev->interfaceCapabilities[0] = buf[12];
-  newdev->interfaceCapabilities[1] = buf[13];
-  newdev->interfaceCapabilities[2] = buf[14];
-  newdev->interfaceCapabilities[3] = buf[15];
-  newdev->interfaceCapabilities[4] = buf[16];
-  newdev->interfaceCapabilities[5] = buf[17];
-  newdev->moduleReserved[0] = buf[18];
-  newdev->moduleReserved[1] = buf[19];
-  newdev->moduleReserved[2] = buf[20];
-  newdev->moduleReserved[3] = buf[21];
-  newdev->moduleReserved[4] = buf[22];
-  newdev->moduleReserved[5] = buf[23];
-  newdev->moduleReserved[6] = buf[24];
-  newdev->moduleReserved[7] = buf[25];
-  newdev->moduleReserved[8] = buf[26];
-  newdev->moduleReserved[9] = buf[27];
-  newdev->moduleReserved[10] = buf[28];
-  newdev->moduleReserved[11] = buf[29];
-
-
-  cnt = libusb_control_transfer(newdev->hndl, 0xc0, 0x82, 0, 0, buf, 64, 500);
-  if (unlikely(cnt < 0)) {
-    applog(LOG_ERR, "Ztex check device: Failed to read ztex descriptor with err %d", cnt);
-    return cnt;
-  }
-
-  if (unlikely(!(buf[0]) == 4)) {
-    if (unlikely(buf[0]) != 2) {
-      applog(LOG_ERR, "Invalid BTCMiner descriptor version. Firmware must be updated (%d).", buf[0]);
-      return 3;
-    }
-    applog(LOG_WARNING, "Firmware out of date");
-  }
-
-  newdev->numNonces = buf[1] + 1;
-  newdev->offsNonces =  ((buf[2] & 255) | ((buf[3] & 255) << 8)) - 10000;
-  newdev->freqM1 = ( (buf[4] & 255) | ((buf[5] & 255) << 8) ) * 0.01;
-  newdev->freqMaxM = (buf[7] & 255);
-  newdev->freqM = (buf[6] & 255);
-  newdev->freqMDefault = newdev->freqM;
-
-  for (cnt=0; cnt<255; cnt++) {
-    newdev->errorCount[cnt] = 0;
-    newdev->errorWeight[cnt] = 0;
-    newdev->errorRate[cnt] = 0;
-    newdev->maxErrorRate[cnt] = 0;
-  }
-
-  cnt = strlen((char *)&buf[buf[0]==4?10:8]);
-  newdev->bitFileName = malloc(sizeof(char)*(cnt+1));
-  memcpy(newdev->bitFileName, &buf[buf[0]==4?10:8], cnt+1);  
-
-  newdev->usbbus = libusb_get_bus_number(dev);
-  newdev->usbaddress = libusb_get_device_address(dev);
-  sprintf(newdev->repr, "ZTEX %.3d:%.3d-%s", newdev->usbbus, newdev->usbaddress, newdev->snString);
-  newdev->valid = true;
-  return 0;
+	struct libztex_device *newdev;
+	int cnt, err;
+	unsigned char buf[64];
+
+	newdev = malloc(sizeof(struct libztex_device));
+	newdev->valid = false;
+	newdev->hndl = NULL;
+	newdev->bitFileName = NULL;
+	*ztex = newdev;
+
+	err = libusb_get_device_descriptor(dev, &newdev->descriptor);
+	if (unlikely(err != 0)) {
+		applog(LOG_ERR, "Ztex check device: Failed to open read descriptor with error %d", err);
+		return err;
+	}
+
+	// Check vendorId and productId
+	if (!(newdev->descriptor.idVendor == LIBZTEX_IDVENDOR &&
+				newdev->descriptor.idProduct == LIBZTEX_IDPRODUCT)) {
+		applog(LOG_ERR, "Not a ztex device? %0.4X, %0.4X", newdev->descriptor.idVendor, newdev->descriptor.idProduct);
+		return 1;
+	}
+
+	err = libusb_open(dev, &newdev->hndl);
+	if (unlikely(err != 0)) {
+		applog(LOG_ERR, "Ztex check device: Failed to open handle with error %d", err);
+		return err;
+	}
+
+	cnt = libusb_get_string_descriptor_ascii (newdev->hndl, newdev->descriptor.iSerialNumber, newdev->snString,
+																						LIBZTEX_SNSTRING_LEN+1);
+	if (unlikely(cnt < 0)) {
+		applog(LOG_ERR, "Ztex check device: Failed to read device snString with err %d", cnt);
+		return cnt;
+	}
+
+	cnt = libusb_control_transfer(newdev->hndl, 0xc0, 0x22, 0, 0, buf, 40, 500);
+	if (unlikely(cnt < 0)) {
+		applog(LOG_ERR, "Ztex check device: Failed to read ztex descriptor with err %d", cnt);
+		return cnt;
+	}
+	
+	if ( buf[0]!=40 || buf[1]!=1 || buf[2]!='Z' || buf[3]!='T' || buf[4]!='E' || buf[5]!='X' ) {
+		applog(LOG_ERR, "Ztex check device: Error reading ztex descriptor");
+		return 2;
+	}
+
+	newdev->productId[0] = buf[6];
+	newdev->productId[1] = buf[7];
+	newdev->productId[2] = buf[8];
+	newdev->productId[3] = buf[9];
+	newdev->fwVersion = buf[10];
+	newdev->interfaceVersion = buf[11];
+	newdev->interfaceCapabilities[0] = buf[12];
+	newdev->interfaceCapabilities[1] = buf[13];
+	newdev->interfaceCapabilities[2] = buf[14];
+	newdev->interfaceCapabilities[3] = buf[15];
+	newdev->interfaceCapabilities[4] = buf[16];
+	newdev->interfaceCapabilities[5] = buf[17];
+	newdev->moduleReserved[0] = buf[18];
+	newdev->moduleReserved[1] = buf[19];
+	newdev->moduleReserved[2] = buf[20];
+	newdev->moduleReserved[3] = buf[21];
+	newdev->moduleReserved[4] = buf[22];
+	newdev->moduleReserved[5] = buf[23];
+	newdev->moduleReserved[6] = buf[24];
+	newdev->moduleReserved[7] = buf[25];
+	newdev->moduleReserved[8] = buf[26];
+	newdev->moduleReserved[9] = buf[27];
+	newdev->moduleReserved[10] = buf[28];
+	newdev->moduleReserved[11] = buf[29];
+
+
+	cnt = libusb_control_transfer(newdev->hndl, 0xc0, 0x82, 0, 0, buf, 64, 500);
+	if (unlikely(cnt < 0)) {
+		applog(LOG_ERR, "Ztex check device: Failed to read ztex descriptor with err %d", cnt);
+		return cnt;
+	}
+
+	if (unlikely(!(buf[0]) == 4)) {
+		if (unlikely(buf[0]) != 2) {
+			applog(LOG_ERR, "Invalid BTCMiner descriptor version. Firmware must be updated (%d).", buf[0]);
+			return 3;
+		}
+		applog(LOG_WARNING, "Firmware out of date");
+	}
+
+	newdev->numNonces = buf[1] + 1;
+	newdev->offsNonces =	((buf[2] & 255) | ((buf[3] & 255) << 8)) - 10000;
+	newdev->freqM1 = ( (buf[4] & 255) | ((buf[5] & 255) << 8) ) * 0.01;
+	newdev->freqMaxM = (buf[7] & 255);
+	newdev->freqM = (buf[6] & 255);
+	newdev->freqMDefault = newdev->freqM;
+
+	for (cnt=0; cnt<255; cnt++) {
+		newdev->errorCount[cnt] = 0;
+		newdev->errorWeight[cnt] = 0;
+		newdev->errorRate[cnt] = 0;
+		newdev->maxErrorRate[cnt] = 0;
+	}
+
+	cnt = strlen((char *)&buf[buf[0]==4?10:8]);
+	newdev->bitFileName = malloc(sizeof(char)*(cnt+1));
+	memcpy(newdev->bitFileName, &buf[buf[0]==4?10:8], cnt+1);	
+
+	newdev->usbbus = libusb_get_bus_number(dev);
+	newdev->usbaddress = libusb_get_device_address(dev);
+	sprintf(newdev->repr, "ZTEX %.3d:%.3d-%s", newdev->usbbus, newdev->usbaddress, newdev->snString);
+	newdev->valid = true;
+	return 0;
 }
 
 void libztex_destroy_device (struct libztex_device* ztex) {
-  if (ztex->hndl != NULL) {
-    libusb_close(ztex->hndl);
-    ztex->hndl = NULL;
-  }
-  if (ztex->bitFileName != NULL) {
-    free(ztex->bitFileName);
-    ztex->bitFileName = NULL;
-  }
-  free(ztex);
+	if (ztex->hndl != NULL) {
+		libusb_close(ztex->hndl);
+		ztex->hndl = NULL;
+	}
+	if (ztex->bitFileName != NULL) {
+		free(ztex->bitFileName);
+		ztex->bitFileName = NULL;
+	}
+	free(ztex);
 }
 
 int libztex_scanDevices (struct libztex_dev_list*** devs_p) {
-  libusb_device **list;
-  struct libztex_device *ztex;
-  ssize_t cnt = libusb_get_device_list(NULL, &list);
-  ssize_t i = 0;
-  int found = 0, pos = 0, err;
-  
-  if (unlikely(cnt < 0)) {
-    applog(LOG_ERR, "Ztex scan devices: Failed to list usb devices with err %d", cnt);
-    return 0;
-  }
-
-  int usbdevices[LIBZTEX_MAX_DESCRIPTORS];
-
-  for (i = 0; i < cnt; i++) {
-    if (libztex_checkDevice(list[i])) {
-      // Got one!
-      usbdevices[found] = i;
-      found++;
-    }
-  }
-
-  struct libztex_dev_list **devs;
-  devs = malloc(sizeof(struct libztex_dev_list *) * found);
-  if (devs == NULL) {
-    applog(LOG_ERR, "Ztex scan devices: Failed to allocate memory");
-    return 0;
-  }
-
-  for (i = 0; i < found; i++) {
-    err = libztex_prepare_device(list[usbdevices[i]], &ztex);
-    if (unlikely(err != 0)) {
-      applog(LOG_ERR, "prepare device: %d", err);
-    }
-    // check if valid
-    if (!ztex->valid) {
-      libztex_destroy_device(ztex);
-      continue;
-    }
-    devs[pos] = malloc(sizeof(struct libztex_dev_list));
-    devs[pos]->dev = ztex;
-    devs[pos]->next = NULL;
-    if (pos > 0) {
-      devs[pos-1]->next = devs[pos];
-    }
-    pos++;
-  }
-
-  libusb_free_device_list(list, 1);
-  *devs_p = devs;
-  return pos;
+	libusb_device **list;
+	struct libztex_device *ztex;
+	ssize_t cnt = libusb_get_device_list(NULL, &list);
+	ssize_t i = 0;
+	int found = 0, pos = 0, err;
+	
+	if (unlikely(cnt < 0)) {
+		applog(LOG_ERR, "Ztex scan devices: Failed to list usb devices with err %d", cnt);
+		return 0;
+	}
+
+	int usbdevices[LIBZTEX_MAX_DESCRIPTORS];
+
+	for (i = 0; i < cnt; i++) {
+		if (libztex_checkDevice(list[i])) {
+			// Got one!
+			usbdevices[found] = i;
+			found++;
+		}
+	}
+
+	struct libztex_dev_list **devs;
+	devs = malloc(sizeof(struct libztex_dev_list *) * found);
+	if (devs == NULL) {
+		applog(LOG_ERR, "Ztex scan devices: Failed to allocate memory");
+		return 0;
+	}
+
+	for (i = 0; i < found; i++) {
+		err = libztex_prepare_device(list[usbdevices[i]], &ztex);
+		if (unlikely(err != 0)) {
+			applog(LOG_ERR, "prepare device: %d", err);
+		}
+		// check if valid
+		if (!ztex->valid) {
+			libztex_destroy_device(ztex);
+			continue;
+		}
+		devs[pos] = malloc(sizeof(struct libztex_dev_list));
+		devs[pos]->dev = ztex;
+		devs[pos]->next = NULL;
+		if (pos > 0) {
+			devs[pos-1]->next = devs[pos];
+		}
+		pos++;
+	}
+
+	libusb_free_device_list(list, 1);
+	*devs_p = devs;
+	return pos;
 }
 
 int libztex_sendHashData (struct libztex_device *ztex, unsigned char *sendbuf) {
-  int cnt;
-  if (ztex == NULL || ztex->hndl == NULL) {
-    return 0;
-  }
-  cnt = libusb_control_transfer(ztex->hndl, 0x40, 0x80, 0, 0, sendbuf, 44, 1000);
-  if (unlikely(cnt < 0)) {
-    applog(LOG_ERR, "%s: Failed sendHashData with err %d", ztex->repr, cnt);
-  }
-  
-  return cnt;
+	int cnt;
+	if (ztex == NULL || ztex->hndl == NULL) {
+		return 0;
+	}
+	cnt = libusb_control_transfer(ztex->hndl, 0x40, 0x80, 0, 0, sendbuf, 44, 1000);
+	if (unlikely(cnt < 0)) {
+		applog(LOG_ERR, "%s: Failed sendHashData with err %d", ztex->repr, cnt);
+	}
+	
+	return cnt;
 }
 
 int libztex_readHashData (struct libztex_device *ztex, struct libztex_hash_data nonces[]) {
-  // length of buf must be 8 * (numNonces + 1)
-  unsigned char rbuf[12*8];
-  int cnt, i;
-
-  if (ztex->hndl == NULL) {
-    return 0;
-  }
-  
-  cnt = libusb_control_transfer(ztex->hndl, 0xc0, 0x81, 0, 0, rbuf, 12*ztex->numNonces, 1000);
-  if (unlikely(cnt < 0)) {
-    applog(LOG_ERR, "%s: Failed readHashData with err %d", ztex->repr, cnt);
-    return cnt;
-  }
-
-  for (i=0; i<ztex->numNonces; i++) {
-    memcpy((char*)&nonces[i].goldenNonce, &rbuf[i*12], 4);
-    nonces[i].goldenNonce -= ztex->offsNonces;
-    memcpy((char*)&nonces[i].nonce, &rbuf[(i*12)+4], 4);
-    nonces[i].nonce -= ztex->offsNonces;
-    memcpy((char*)&nonces[i].hash7, &rbuf[(i*12)+8], 4);
-  }
-  
-  return cnt;
+	// length of buf must be 8 * (numNonces + 1)
+	unsigned char rbuf[12*8];
+	int cnt, i;
+
+	if (ztex->hndl == NULL) {
+		return 0;
+	}
+	
+	cnt = libusb_control_transfer(ztex->hndl, 0xc0, 0x81, 0, 0, rbuf, 12*ztex->numNonces, 1000);
+	if (unlikely(cnt < 0)) {
+		applog(LOG_ERR, "%s: Failed readHashData with err %d", ztex->repr, cnt);
+		return cnt;
+	}
+
+	for (i=0; i<ztex->numNonces; i++) {
+		memcpy((char*)&nonces[i].goldenNonce, &rbuf[i*12], 4);
+		nonces[i].goldenNonce -= ztex->offsNonces;
+		memcpy((char*)&nonces[i].nonce, &rbuf[(i*12)+4], 4);
+		nonces[i].nonce -= ztex->offsNonces;
+		memcpy((char*)&nonces[i].hash7, &rbuf[(i*12)+8], 4);
+	}
+	
+	return cnt;
 }
 
 void libztex_freeDevList (struct libztex_dev_list **devs) {
-  ssize_t cnt = 0;
-  bool done = false;
-  while (!done) {
-    if (devs[cnt]->next == NULL) {
-      done = true;
-    }
-    free(devs[cnt++]);
-  }
-  free(devs);
+	ssize_t cnt = 0;
+	bool done = false;
+	while (!done) {
+		if (devs[cnt]->next == NULL) {
+			done = true;
+		}
+		free(devs[cnt++]);
+	}
+	free(devs);
 }
 
 

+ 34 - 34
libztex.h

@@ -35,51 +35,51 @@
 #define LIBZTEX_OVERHEATTHRESHOLD 0.5
 
 struct libztex_fpgastate {
-  bool fpgaConfigured;
-  unsigned char fpgaChecksum;
-  uint16_t fpgaBytes;
-  unsigned char fpgaInitB;
-  unsigned char fpgaFlashResult;
-  bool fpgaFlashBitSwap;
+	bool fpgaConfigured;
+	unsigned char fpgaChecksum;
+	uint16_t fpgaBytes;
+	unsigned char fpgaInitB;
+	unsigned char fpgaFlashResult;
+	bool fpgaFlashBitSwap;
 };
 
 struct libztex_device {
-  bool valid;
-  struct libusb_device_descriptor descriptor;
-  libusb_device_handle *hndl; 
-  unsigned char usbbus;
-  unsigned char usbaddress;
-  unsigned char snString[LIBZTEX_SNSTRING_LEN+1];
-  unsigned char productId[4];
-  unsigned char fwVersion;
-  unsigned char interfaceVersion;
-  unsigned char interfaceCapabilities[6];
-  unsigned char moduleReserved[12];
-  uint8_t numNonces;
-  uint16_t offsNonces;
-  double freqM1;  
-  uint8_t freqM;
-  uint8_t freqMaxM;
-  uint8_t freqMDefault;
-  char* bitFileName;
+	bool valid;
+	struct libusb_device_descriptor descriptor;
+	libusb_device_handle *hndl; 
+	unsigned char usbbus;
+	unsigned char usbaddress;
+	unsigned char snString[LIBZTEX_SNSTRING_LEN+1];
+	unsigned char productId[4];
+	unsigned char fwVersion;
+	unsigned char interfaceVersion;
+	unsigned char interfaceCapabilities[6];
+	unsigned char moduleReserved[12];
+	uint8_t numNonces;
+	uint16_t offsNonces;
+	double freqM1;	
+	uint8_t freqM;
+	uint8_t freqMaxM;
+	uint8_t freqMDefault;
+	char* bitFileName;
 
-  double errorCount[256];
-  double errorWeight[256];
-  double errorRate[256];
-  double maxErrorRate[256];
+	double errorCount[256];
+	double errorWeight[256];
+	double errorRate[256];
+	double maxErrorRate[256];
 
-  char repr[64];
+	char repr[64];
 };
 
 struct libztex_dev_list { 
-  struct libztex_device *dev;
-  struct libztex_dev_list *next;
+	struct libztex_device *dev;
+	struct libztex_dev_list *next;
 };
 
 struct libztex_hash_data {
-  uint32_t goldenNonce;
-  uint32_t nonce;
-  uint32_t hash7;
+	uint32_t goldenNonce;
+	uint32_t nonce;
+	uint32_t hash7;
 };
 
 extern int libztex_scanDevices (struct libztex_dev_list ***devs);

+ 213 - 213
ztex.c

@@ -38,72 +38,72 @@ static bool ztex_prepare(struct thr_info *thr);
 
 static void ztex_detect()
 {
-  int cnt;
-  int i;
-  struct libztex_dev_list **ztex_devices;
-
-  cnt = libztex_scanDevices(&ztex_devices);
-  applog(LOG_WARNING, "Found %d ztex board(s)", cnt);
-
-  for (i=0; i<cnt; i++) {
-    if (total_devices == MAX_DEVICES)
-      break;
-    struct cgpu_info *ztex;
-    ztex = calloc(1, sizeof(struct cgpu_info));
-    ztex->api = &ztex_api;
-    ztex->device_id = total_devices;
-    ztex->device = ztex_devices[i]->dev;
-    ztex->threads = 1;
-    devices[total_devices++] = ztex;
-
-    applog(LOG_WARNING,"%s: Found Ztex, mark as %d", ztex->device->repr, ztex->device_id);
-  }
-
-  if (cnt > 0) {
-    libztex_freeDevList(ztex_devices);
-  }
+	int cnt;
+	int i;
+	struct libztex_dev_list **ztex_devices;
+
+	cnt = libztex_scanDevices(&ztex_devices);
+	applog(LOG_WARNING, "Found %d ztex board(s)", cnt);
+
+	for (i=0; i<cnt; i++) {
+		if (total_devices == MAX_DEVICES)
+			break;
+		struct cgpu_info *ztex;
+		ztex = calloc(1, sizeof(struct cgpu_info));
+		ztex->api = &ztex_api;
+		ztex->device_id = total_devices;
+		ztex->device = ztex_devices[i]->dev;
+		ztex->threads = 1;
+		devices[total_devices++] = ztex;
+
+		applog(LOG_WARNING,"%s: Found Ztex, mark as %d", ztex->device->repr, ztex->device_id);
+	}
+
+	if (cnt > 0) {
+		libztex_freeDevList(ztex_devices);
+	}
 
 }
 
 static bool ztex_updateFreq (struct libztex_device* ztex)
 {
-  int i, maxM, bestM;
-  double bestR, r;
-
-  for (i=0; i<ztex->freqMaxM; i++) {
-    if (ztex->maxErrorRate[i+1]*i < ztex->maxErrorRate[i]*(i+20))
-      ztex->maxErrorRate[i+1] = ztex->maxErrorRate[i]*(1.0+20.0/i);
-  }
-
-  maxM = 0;
-  while (maxM<ztex->freqMDefault && ztex->maxErrorRate[maxM+1]<LIBZTEX_MAXMAXERRORRATE)
-    maxM++;
-  while (maxM<ztex->freqMaxM && ztex->errorWeight[maxM]>150 && ztex->maxErrorRate[maxM+1]<LIBZTEX_MAXMAXERRORRATE)
-    maxM++;
-
-  bestM = 0;
-  bestR = 0;
-  for (i=0; i<=maxM; i++) {
-    r = (i + 1 + ( i == ztex->freqM ? LIBZTEX_ERRORHYSTERESIS : 0))*(1-ztex->maxErrorRate[i]);
-    if (r > bestR) {
-      bestM = i;
-      bestR = r;
-    }
-  }
-
-  if (bestM != ztex->freqM) {
-    libztex_setFreq(ztex, bestM);
-  }
-
-  maxM = ztex->freqMDefault;
-  while (maxM<ztex->freqMaxM && ztex->errorWeight[maxM+1] > 100)
-    maxM++;
-  if ((bestM < (1.0-LIBZTEX_OVERHEATTHRESHOLD) * maxM) && bestM < maxM - 1) {
-    libztex_resetFpga(ztex);
-    applog(LOG_ERR, "%s: frequency drop of %.1f%% detect. This may be caused by overheating. FPGA is shut down to prevent damage.", ztex->repr, (1.0-1.0*bestM/maxM)*100);
-    return false;
-  }
-  return true;
+	int i, maxM, bestM;
+	double bestR, r;
+
+	for (i=0; i<ztex->freqMaxM; i++) {
+		if (ztex->maxErrorRate[i+1]*i < ztex->maxErrorRate[i]*(i+20))
+			ztex->maxErrorRate[i+1] = ztex->maxErrorRate[i]*(1.0+20.0/i);
+	}
+
+	maxM = 0;
+	while (maxM<ztex->freqMDefault && ztex->maxErrorRate[maxM+1]<LIBZTEX_MAXMAXERRORRATE)
+		maxM++;
+	while (maxM<ztex->freqMaxM && ztex->errorWeight[maxM]>150 && ztex->maxErrorRate[maxM+1]<LIBZTEX_MAXMAXERRORRATE)
+		maxM++;
+
+	bestM = 0;
+	bestR = 0;
+	for (i=0; i<=maxM; i++) {
+		r = (i + 1 + ( i == ztex->freqM ? LIBZTEX_ERRORHYSTERESIS : 0))*(1-ztex->maxErrorRate[i]);
+		if (r > bestR) {
+			bestM = i;
+			bestR = r;
+		}
+	}
+
+	if (bestM != ztex->freqM) {
+		libztex_setFreq(ztex, bestM);
+	}
+
+	maxM = ztex->freqMDefault;
+	while (maxM<ztex->freqMaxM && ztex->errorWeight[maxM+1] > 100)
+		maxM++;
+	if ((bestM < (1.0-LIBZTEX_OVERHEATTHRESHOLD) * maxM) && bestM < maxM - 1) {
+		libztex_resetFpga(ztex);
+		applog(LOG_ERR, "%s: frequency drop of %.1f%% detect. This may be caused by overheating. FPGA is shut down to prevent damage.", ztex->repr, (1.0-1.0*bestM/maxM)*100);
+		return false;
+	}
+	return true;
 }
 
 
@@ -111,198 +111,198 @@ static bool ztex_checkNonce (struct libztex_device *ztex,
                              struct work *work,
                              struct libztex_hash_data *hdata)
 {
-  uint32_t *data32 = (uint32_t *)(work->data);
-  unsigned char swap[128];
-  uint32_t *swap32 = (uint32_t *)swap;
-  unsigned char hash1[32];
-  unsigned char hash2[32];
-  uint32_t *hash2_32 = (uint32_t *)hash2;
-  int i;
+	uint32_t *data32 = (uint32_t *)(work->data);
+	unsigned char swap[128];
+	uint32_t *swap32 = (uint32_t *)swap;
+	unsigned char hash1[32];
+	unsigned char hash2[32];
+	uint32_t *hash2_32 = (uint32_t *)hash2;
+	int i;
 
 #if defined(__BIGENDIAN__) || defined(MIPSEB)
-  hdata->nonce = swab32(hdata->nonce);
-  hdata->hash7 = swab32(hdata->hash7);
+	hdata->nonce = swab32(hdata->nonce);
+	hdata->hash7 = swab32(hdata->hash7);
 #endif
 
-  work->data[64 + 12 + 0] = (hdata->nonce >> 0) & 0xff;
-  work->data[64 + 12 + 1] = (hdata->nonce >> 8) & 0xff;
-  work->data[64 + 12 + 2] = (hdata->nonce >> 16) & 0xff;
-  work->data[64 + 12 + 3] = (hdata->nonce >> 24) & 0xff;
+	work->data[64 + 12 + 0] = (hdata->nonce >> 0) & 0xff;
+	work->data[64 + 12 + 1] = (hdata->nonce >> 8) & 0xff;
+	work->data[64 + 12 + 2] = (hdata->nonce >> 16) & 0xff;
+	work->data[64 + 12 + 3] = (hdata->nonce >> 24) & 0xff;
 
-  for (i = 0; i < 80 / 4; i++)
-  	swap32[i] = swab32(data32[i]);
-  
-  sha2(swap, 80, hash1, false);
-  sha2(hash1, 32, hash2, false);
+	for (i = 0; i < 80 / 4; i++)
+		swap32[i] = swab32(data32[i]);
+	
+	sha2(swap, 80, hash1, false);
+	sha2(hash1, 32, hash2, false);
 #if defined(__BIGENDIAN__) || defined(MIPSEB)
-  if (hash2_32[7] != ((hdata->hash7 + 0x5be0cd19) & 0xFFFFFFFF)) {
+	if (hash2_32[7] != ((hdata->hash7 + 0x5be0cd19) & 0xFFFFFFFF)) {
 #else
-  if (swab32(hash2_32[7]) != ((hdata->hash7 + 0x5be0cd19) & 0xFFFFFFFF)) {
+	if (swab32(hash2_32[7]) != ((hdata->hash7 + 0x5be0cd19) & 0xFFFFFFFF)) {
 #endif
-    ztex->errorCount[ztex->freqM] += 1.0/ztex->numNonces;
-    applog(LOG_DEBUG, "%s: checkNonce failed for %0.8X", ztex->repr, hdata->nonce);
-    return false;
-  }
-  return true;
+		ztex->errorCount[ztex->freqM] += 1.0/ztex->numNonces;
+		applog(LOG_DEBUG, "%s: checkNonce failed for %0.8X", ztex->repr, hdata->nonce);
+		return false;
+	}
+	return true;
 }
 
 static uint64_t ztex_scanhash(struct thr_info *thr, struct work *work,
-				__maybe_unused uint64_t max_nonce)
+                              __maybe_unused uint64_t max_nonce)
 {
-  struct libztex_device *ztex;
-  unsigned char sendbuf[44];
-  int i, j;
-  uint32_t backlog[GOLDEN_BACKLOG];
-  int backlog_p = 0;
-  uint32_t lastnonce[GOLDEN_BACKLOG], nonce, noncecnt = 0;
-  bool overflow, found, rv;
-  struct libztex_hash_data hdata[GOLDEN_BACKLOG];
-
-  ztex = thr->cgpu->device;
-
-  memcpy(sendbuf, work->data + 64, 12);
-  memcpy(sendbuf+12, work->midstate, 32);
-  memset(backlog, 0, sizeof(backlog));
-  i = libztex_sendHashData(ztex, sendbuf);
-  if (i < 0) {
-    // Something wrong happened in send
-    applog(LOG_ERR, "%s: Failed to send hash data with err %d", ztex->repr, i);
-    usleep(500000);
-    i = libztex_sendHashData(ztex, sendbuf);
-    if (i < 0) {
-      // And there's nothing we can do about it
-      ztex_disable(thr);
-      return 0;
-    }
-  }
-  
-  applog(LOG_DEBUG, "sent hashdata");
-
-  for (i=0; i<ztex->numNonces; i++) {
-    lastnonce[i] = 0;
-  }
-  overflow = false;
-
-  while (!(overflow || work_restart[thr->id].restart)) {
-    usleep(250000);
-    if (work_restart[thr->id].restart) {
-      break;
-    }
-    i = libztex_readHashData(ztex, &hdata[0]);
-    if (i < 0) {
-      // Something wrong happened in read
-      applog(LOG_ERR, "%s: Failed to read hash data with err %d", ztex->repr, i);
-      usleep(500000);
-      i = libztex_readHashData(ztex, &hdata[0]);
-      if (i < 0) {
-        // And there's nothing we can do about it
-        ztex_disable(thr);
-        return 0;
-      }
-    }
-
-    if (work_restart[thr->id].restart) {
-      break;
-    }
-
-    ztex->errorCount[ztex->freqM] *= 0.995;
-    ztex->errorWeight[ztex->freqM] = ztex->errorWeight[ztex->freqM] * 0.995 + 1.0;
+	struct libztex_device *ztex;
+	unsigned char sendbuf[44];
+	int i, j;
+	uint32_t backlog[GOLDEN_BACKLOG];
+	int backlog_p = 0;
+	uint32_t lastnonce[GOLDEN_BACKLOG], nonce, noncecnt = 0;
+	bool overflow, found, rv;
+	struct libztex_hash_data hdata[GOLDEN_BACKLOG];
+
+	ztex = thr->cgpu->device;
+
+	memcpy(sendbuf, work->data + 64, 12);
+	memcpy(sendbuf+12, work->midstate, 32);
+	memset(backlog, 0, sizeof(backlog));
+	i = libztex_sendHashData(ztex, sendbuf);
+	if (i < 0) {
+		// Something wrong happened in send
+		applog(LOG_ERR, "%s: Failed to send hash data with err %d", ztex->repr, i);
+		usleep(500000);
+		i = libztex_sendHashData(ztex, sendbuf);
+		if (i < 0) {
+			// And there's nothing we can do about it
+			ztex_disable(thr);
+			return 0;
+		}
+	}
+	
+	applog(LOG_DEBUG, "sent hashdata");
+
+	for (i=0; i<ztex->numNonces; i++) {
+		lastnonce[i] = 0;
+	}
+	overflow = false;
+
+	while (!(overflow || work_restart[thr->id].restart)) {
+		usleep(250000);
+		if (work_restart[thr->id].restart) {
+			break;
+		}
+		i = libztex_readHashData(ztex, &hdata[0]);
+		if (i < 0) {
+			// Something wrong happened in read
+			applog(LOG_ERR, "%s: Failed to read hash data with err %d", ztex->repr, i);
+			usleep(500000);
+			i = libztex_readHashData(ztex, &hdata[0]);
+			if (i < 0) {
+				// And there's nothing we can do about it
+				ztex_disable(thr);
+				return 0;
+			}
+		}
+
+		if (work_restart[thr->id].restart) {
+			break;
+		}
+
+		ztex->errorCount[ztex->freqM] *= 0.995;
+		ztex->errorWeight[ztex->freqM] = ztex->errorWeight[ztex->freqM] * 0.995 + 1.0;
  
-    for (i=0; i<ztex->numNonces; i++) {
-      nonce = swab32(hdata[i].nonce);
-      if (nonce > noncecnt)
-        noncecnt = nonce;
-      if ((nonce >> 4) < (lastnonce[i] >> 4)) {
-        overflow = true;
-      } else {
-        lastnonce[i] = nonce;
-      }
-      if (!ztex_checkNonce(ztex, work, &hdata[i])) {
-        thr->cgpu->hw_errors++;
-        continue;
-      }
-      nonce = hdata[i].goldenNonce;
-      if (nonce > 0) {
-        found = false;
-        for (j=0; j<GOLDEN_BACKLOG; j++) {
-          if (backlog[j] == nonce) {
-            found = true;
-            break;
-          }
-        }
-        if (!found) {
-          // new nonce found!
-          backlog[backlog_p++] = nonce;
-          if (backlog_p >= GOLDEN_BACKLOG) {
-            backlog_p = 0;
-          }
+		for (i=0; i<ztex->numNonces; i++) {
+			nonce = swab32(hdata[i].nonce);
+			if (nonce > noncecnt)
+				noncecnt = nonce;
+			if ((nonce >> 4) < (lastnonce[i] >> 4)) {
+				overflow = true;
+			} else {
+				lastnonce[i] = nonce;
+			}
+			if (!ztex_checkNonce(ztex, work, &hdata[i])) {
+				thr->cgpu->hw_errors++;
+				continue;
+			}
+			nonce = hdata[i].goldenNonce;
+			if (nonce > 0) {
+				found = false;
+				for (j=0; j<GOLDEN_BACKLOG; j++) {
+					if (backlog[j] == nonce) {
+						found = true;
+						break;
+					}
+				}
+				if (!found) {
+					// new nonce found!
+					backlog[backlog_p++] = nonce;
+					if (backlog_p >= GOLDEN_BACKLOG) {
+						backlog_p = 0;
+					}
 #if defined(__BIGENDIAN__) || defined(MIPSEB)
-          nonce = swab32(nonce);
+					nonce = swab32(nonce);
 #endif
-	  work->blk.nonce = 0xffffffff;
-	  rv = submit_nonce(thr, work, nonce);
-          applog(LOG_DEBUG, "submitted %0.8X %d", nonce, rv);
-        }
-      }
+		work->blk.nonce = 0xffffffff;
+		rv = submit_nonce(thr, work, nonce);
+					applog(LOG_DEBUG, "submitted %0.8X %d", nonce, rv);
+				}
+			}
 
-    }
+		}
 
-  }
+	}
 
-  ztex->errorRate[ztex->freqM] = ztex->errorCount[ztex->freqM] /  ztex->errorWeight[ztex->freqM] * (ztex->errorWeight[ztex->freqM]<100 ? ztex->errorWeight[ztex->freqM]*0.01 : 1.0);
-  if (ztex->errorRate[ztex->freqM] > ztex->maxErrorRate[ztex->freqM]) {
-    ztex->maxErrorRate[ztex->freqM] = ztex->errorRate[ztex->freqM];
-  }
+	ztex->errorRate[ztex->freqM] = ztex->errorCount[ztex->freqM] /	ztex->errorWeight[ztex->freqM] * (ztex->errorWeight[ztex->freqM]<100 ? ztex->errorWeight[ztex->freqM]*0.01 : 1.0);
+	if (ztex->errorRate[ztex->freqM] > ztex->maxErrorRate[ztex->freqM]) {
+		ztex->maxErrorRate[ztex->freqM] = ztex->errorRate[ztex->freqM];
+	}
 
-  if (!ztex_updateFreq(ztex)) {
-    // Something really serious happened, so mark this thread as dead!
-    return 0;
-  }
-  applog(LOG_DEBUG, "exit %1.8X", noncecnt);
+	if (!ztex_updateFreq(ztex)) {
+		// Something really serious happened, so mark this thread as dead!
+		return 0;
+	}
+	applog(LOG_DEBUG, "exit %1.8X", noncecnt);
 
-  work->blk.nonce = 0xffffffff;
+	work->blk.nonce = 0xffffffff;
 
-  return noncecnt > 0 ? noncecnt : 1;
+	return noncecnt > 0 ? noncecnt : 1;
 }
 
 static void ztex_statline_before(char *buf, struct cgpu_info *cgpu)
 {
-  if (cgpu->deven == DEV_ENABLED) {
-    tailsprintf(buf, "%s | ", cgpu->device->snString);
-    tailsprintf(buf, "%0.2fMhz | ", cgpu->device->freqM1 * (cgpu->device->freqM + 1));
-  }
+	if (cgpu->deven == DEV_ENABLED) {
+		tailsprintf(buf, "%s | ", cgpu->device->snString);
+		tailsprintf(buf, "%0.2fMhz | ", cgpu->device->freqM1 * (cgpu->device->freqM + 1));
+	}
 }
 
 static bool ztex_prepare(struct thr_info *thr)
 {
-  struct timeval now;
-  struct cgpu_info *ztex = thr->cgpu;
+	struct timeval now;
+	struct cgpu_info *ztex = thr->cgpu;
 
-  gettimeofday(&now, NULL);
-  get_datestamp(ztex->init, &now);
+	gettimeofday(&now, NULL);
+	get_datestamp(ztex->init, &now);
 
-  if (libztex_configureFpga(ztex->device) != 0) {
-    return false;
-  }
-  ztex->device->freqM = -1;
-  ztex_updateFreq(ztex->device);
+	if (libztex_configureFpga(ztex->device) != 0) {
+		return false;
+	}
+	ztex->device->freqM = -1;
+	ztex_updateFreq(ztex->device);
 
-  return true;
+	return true;
 }
 
 static void ztex_shutdown(struct thr_info *thr)
 {
-  if (thr->cgpu->device != NULL) {
-    libztex_destroy_device(thr->cgpu->device);
-    thr->cgpu->device = NULL;
-  }
+	if (thr->cgpu->device != NULL) {
+		libztex_destroy_device(thr->cgpu->device);
+		thr->cgpu->device = NULL;
+	}
 }
 
 static void ztex_disable (struct thr_info *thr)
 {
-  applog(LOG_ERR, "%s: Disabling!", thr->cgpu->device->repr);
-  devices[thr->cgpu->device_id]->deven = DEV_DISABLED;
-  ztex_shutdown(thr);
+	applog(LOG_ERR, "%s: Disabling!", thr->cgpu->device->repr);
+	devices[thr->cgpu->device_id]->deven = DEV_DISABLED;
+	ztex_shutdown(thr);
 }
 
 struct device_api ztex_api = {