thodg/cgminer

diff --git a/cgminer.c b/cgminer.c
index 1de5e08..300f1c8 100644
--- a/cgminer.c
+++ b/cgminer.c
@@ -1245,7 +1245,10 @@ static struct opt_table opt_config_table[] = {
 		     "Set avalon target temperature"),
 	OPT_WITH_ARG("--bitburner-voltage",
 		     opt_set_intval, NULL, &opt_bitburner_core_voltage,
-		     "Set BitBurner core voltage, in millivolts"),
+		     "Set BitBurner (Avalon) core voltage, in millivolts"),
+	OPT_WITH_ARG("--bitburner-fury-voltage",
+		     opt_set_intval, NULL, &opt_bitburner_fury_core_voltage,
+		     "Set BitBurner Fury core voltage, in millivolts"),
 #endif
 #ifdef USE_KLONDIKE
 	OPT_WITH_ARG("--klondike-options",
diff --git a/driver-avalon.c b/driver-avalon.c
index 82657e5..6245dc0 100644
--- a/driver-avalon.c
+++ b/driver-avalon.c
@@ -49,6 +49,7 @@ int opt_avalon_fan_max = AVALON_DEFAULT_FAN_MAX_PWM;
 int opt_avalon_freq_min = AVALON_MIN_FREQUENCY;
 int opt_avalon_freq_max = AVALON_MAX_FREQUENCY;
 int opt_bitburner_core_voltage = BITBURNER_DEFAULT_CORE_VOLTAGE;
+int opt_bitburner_fury_core_voltage = BITBURNER_FURY_DEFAULT_CORE_VOLTAGE;
 bool opt_avalon_auto;
 
 static int option_offset = -1;
@@ -214,6 +215,7 @@ static int bitburner_send_task(const struct avalon_task *at, struct cgpu_info *a
 {
 	uint8_t buf[AVALON_WRITE_SIZE + 4 * AVALON_DEFAULT_ASIC_NUM];
 	int ret, ep = C_AVALON_TASK;
+	cgtimer_t ts_start;
 	size_t nr_len;
 
 	if (at->nonce_elf)
@@ -250,7 +252,9 @@ static int bitburner_send_task(const struct avalon_task *at, struct cgpu_info *a
 		applog(LOG_DEBUG, "Avalon: Sent(%u):", (unsigned int)nr_len);
 		hexdump(buf, nr_len);
 	}
+	cgsleep_prepare_r(&ts_start);
 	ret = avalon_write(avalon, (char *)buf, nr_len, ep);
+	cgsleep_us_r(&ts_start, 3000); // 3 ms = 333 tasks per second, or 1.4 TH/s
 
 	return ret;
 }
@@ -666,12 +670,20 @@ static void avalon_initialise(struct cgpu_info *avalon)
 		avalon->drv->name, avalon->device_id, err);
 }
 
+static bool is_bitburner(struct cgpu_info *avalon)
+{
+	enum sub_ident ident;
+
+	ident = usb_ident(avalon);
+	return ident == IDENT_BTB || ident == IDENT_BBF;
+}
+
 static bool bitburner_set_core_voltage(struct cgpu_info *avalon, int core_voltage)
 {
 	uint8_t buf[2];
 	int err;
 
-	if (usb_ident(avalon) == IDENT_BTB) {
+	if (is_bitburner(avalon)) {
 		buf[0] = (uint8_t)core_voltage;
 		buf[1] = (uint8_t)(core_voltage >> 8);
 		err = usb_transfer_data(avalon, FTDI_TYPE_OUT, BITBURNER_REQUEST,
@@ -697,7 +709,7 @@ static int bitburner_get_core_voltage(struct cgpu_info *avalon)
 	int err;
 	int amount;
 
-	if (usb_ident(avalon) == IDENT_BTB) {
+	if (is_bitburner(avalon)) {
 		err = usb_transfer_read(avalon, FTDI_TYPE_IN, BITBURNER_REQUEST,
 				BITBURNER_VALUE, BITBURNER_INDEX_GET_VOLTAGE,
 				(char *)buf, sizeof(buf), &amount,
@@ -826,7 +838,18 @@ static bool avalon_detect_one(libusb_device *dev, struct usb_find_devices *found
 				BITBURNER_MAX_COREMV);
 		} else
 			bitburner_set_core_voltage(avalon, opt_bitburner_core_voltage);
+	} else if (usb_ident(avalon) == IDENT_BBF) {
+		if (opt_bitburner_fury_core_voltage < BITBURNER_FURY_MIN_COREMV ||
+		    opt_bitburner_fury_core_voltage > BITBURNER_FURY_MAX_COREMV) {
+			quit(1, "Invalid bitburner-fury-voltage %d must be %dmv - %dmv",
+				opt_bitburner_fury_core_voltage,
+				BITBURNER_FURY_MIN_COREMV,
+				BITBURNER_FURY_MAX_COREMV);
+		} else
+			bitburner_set_core_voltage(avalon, opt_bitburner_fury_core_voltage);
+	}
 
+	if (is_bitburner(avalon)) {
 		bitburner_get_version(avalon);
 	}
 
@@ -1257,7 +1280,7 @@ static bool avalon_prepare(struct thr_info *thr)
 	int array_size = AVALON_ARRAY_SIZE;
 	void *(*write_thread_fn)(void *) = avalon_send_tasks;
 
-	if (usb_ident(avalon) == IDENT_BTB) {
+	if (is_bitburner(avalon)) {
 		array_size = BITBURNER_ARRAY_SIZE;
 		write_thread_fn = bitburner_send_tasks;
 	}
@@ -1402,7 +1425,7 @@ static void avalon_update_temps(struct cgpu_info *avalon, struct avalon_info *in
 	info->temp_sum += avalon->temp;
 	applog(LOG_DEBUG, "Avalon: temp_index: %d, temp_count: %d, temp_old: %d",
 		info->temp_history_index, info->temp_history_count, info->temp_old);
-	if (usb_ident(avalon) == IDENT_BTB) {
+	if (is_bitburner(avalon)) {
 		info->core_voltage = bitburner_get_core_voltage(avalon);
 	}
 	if (info->temp_history_index == info->temp_history_count) {
@@ -1424,7 +1447,7 @@ static void get_avalon_statline_before(char *buf, size_t bufsiz, struct cgpu_inf
 	struct avalon_info *info = avalon->device_data;
 	int lowfan = 10000;
 
-	if (usb_ident(avalon) == IDENT_BTB) {
+	if (is_bitburner(avalon)) {
 		int temp = info->temp0;
 		if (info->temp2 > temp)
 			temp = info->temp2;
@@ -1510,7 +1533,7 @@ static int64_t avalon_scanhash(struct thr_info *thr)
 
 	/* Check for nothing but consecutive bad results or consistently less
 	 * results than we should be getting and reset the FPGA if necessary */
-	if (usb_ident(avalon) != IDENT_BTB) {
+	if (!is_bitburner(avalon)) {
 		if (avalon->results < -miner_count && !info->reset) {
 			applog(LOG_ERR, "%s%d: Result return rate low, resetting!",
 				avalon->drv->name, avalon->device_id);
@@ -1571,7 +1594,7 @@ static struct api_data *avalon_api_stats(struct cgpu_info *cgpu)
 		sprintf(mcw, "match_work_count%d", i + 1);
 		root = api_add_int(root, mcw, &(info->matching_work[i]), false);
 	}
-	if (usb_ident(cgpu) == IDENT_BTB) {
+	if (is_bitburner(cgpu)) {
 		root = api_add_int(root, "core_voltage", &(info->core_voltage), false);
 		snprintf(buf, sizeof(buf), "%"PRIu8".%"PRIu8".%"PRIu8,
 				info->version1, info->version2, info->version3);
@@ -1599,7 +1622,7 @@ static char *avalon_set_device(struct cgpu_info *avalon, char *option, char *set
 	}
 
 	if (strcasecmp(option, "millivolts") == 0 || strcasecmp(option, "mv") == 0) {
-		if (usb_ident(avalon) != IDENT_BTB) {
+		if (!is_bitburner(avalon)) {
 			sprintf(replybuf, "%s cannot set millivolts", avalon->drv->name);
 			return replybuf;
 		}
diff --git a/driver-avalon.h b/driver-avalon.h
index ae32353..7e11e6c 100644
--- a/driver-avalon.h
+++ b/driver-avalon.h
@@ -33,10 +33,17 @@
 #define AVALON_TEMP_HYSTERESIS 3
 #define AVALON_TEMP_OVERHEAT 60
 
+/* Avalon-based BitBurner. */
 #define BITBURNER_DEFAULT_CORE_VOLTAGE 1200 /* in millivolts */
 #define BITBURNER_MIN_COREMV 1000
 /* change here if you want to risk killing it :)  */
-#define BITBURNER_MAX_COREMV 1500
+#define BITBURNER_MAX_COREMV 1400
+
+/* BitFury-based BitBurner. */
+#define BITBURNER_FURY_DEFAULT_CORE_VOLTAGE 900 /* in millivolts */
+#define BITBURNER_FURY_MIN_COREMV 700
+/* change here if you want to risk killing it :)  */
+#define BITBURNER_FURY_MAX_COREMV 1100
 
 
 #define AVALON_DEFAULT_TIMEOUT 0x2D
@@ -180,6 +187,7 @@ extern int opt_avalon_freq_min;
 extern int opt_avalon_freq_max;
 extern bool opt_avalon_auto;
 extern int opt_bitburner_core_voltage;
+extern int opt_bitburner_fury_core_voltage;
 extern char *set_avalon_fan(char *arg);
 extern char *set_avalon_freq(char *arg);
 
diff --git a/usbutils.c b/usbutils.c
index 9306623..27c21ec 100644
--- a/usbutils.c
+++ b/usbutils.c
@@ -309,6 +309,18 @@ static struct usb_find_devices find_dev[] = {
 		INTINFO(ava_ints) },
 	{
 		.drv = DRIVER_avalon,
+		.name = "BBF",
+		.ident = IDENT_BBF,
+		.idVendor = IDVENDOR_FTDI,
+		.idProduct = 0x6001,
+		.iManufacturer = "Burnin Electronics",
+		.iProduct = "BitBurner Fury",
+		.config = 1,
+		.timeout = AVALON_TIMEOUT_MS,
+		.latency = 10,
+		INTINFO(ava_ints) },
+	{
+		.drv = DRIVER_avalon,
 		.name = "AVA",
 		.ident = IDENT_AVA,
 		.idVendor = IDVENDOR_FTDI,
diff --git a/usbutils.h b/usbutils.h
index 19e64c5..ff136e4 100644
--- a/usbutils.h
+++ b/usbutils.h
@@ -144,6 +144,7 @@ enum sub_ident {
 	IDENT_MMQ,
 	IDENT_AVA,
 	IDENT_BTB,
+	IDENT_BBF,
 	IDENT_KLN,
 	IDENT_ICA,
 	IDENT_AMU,