Add USB API versioning

firmware/hackrf_usb/usb_descriptor.c

@@ -55,7 +55,7 @@ uint8_t usb_descriptor_device[] = {
 	USB_MAX_PACKET0,		   // bMaxPacketSize0
 	USB_WORD(USB_VENDOR_ID),	   // idVendor
 	USB_WORD(USB_PRODUCT_ID),	   // idProduct
-	USB_WORD(0x0101),		   // bcdDevice
+	USB_WORD(0x0102),		   // bcdDevice
 	0x01,				   // iManufacturer
 	0x02,				   // iProduct
 	0x04,				   // iSerialNumber

host/hackrf-tools/src/hackrf_info.c

@@ -31,6 +31,7 @@ int main(void)
 	int result = HACKRF_SUCCESS;
 	uint8_t board_id = BOARD_ID_INVALID;
 	char version[255 + 1];
+	uint16_t usb_version;
 	read_partid_serialno_t read_partid_serialno;
 	uint8_t operacakes[8];
 	hackrf_device_list_t *list;
@@ -55,10 +56,11 @@ int main(void)
 		if (i > 0)
 			printf("\n");
 			
-		printf("Found HackRF board %d:\n", i);
+		printf("Found HackRF\n");
+		printf("Index: %d\n", i);
 		
 		if (list->serial_numbers[i])
-			printf("USB descriptor string: %s\n", list->serial_numbers[i]);
+			printf("Serial number: %s\n", list->serial_numbers[i]);
 
 		device = NULL;
 		result = hackrf_device_list_open(list, i, &device);
@@ -83,7 +85,15 @@ int main(void)
 					hackrf_error_name(result), result);
 			return EXIT_FAILURE;
 		}
-		printf("Firmware Version: %s\n", version);
+
+		result = hackrf_usb_api_version_read(device, &usb_version);
+		if (result != HACKRF_SUCCESS) {
+			fprintf(stderr, "hackrf_usb_api_version_read() failed: %s (%d)\n",
+					hackrf_error_name(result), result);
+			return EXIT_FAILURE;
+		}
+		printf("Firmware Version: %s (API:%x.%02x)\n", version,
+				(usb_version>>8)&0xFF, usb_version&0xFF);
 
 		result = hackrf_board_partid_serialno_read(device, &read_partid_serialno);	
 		if (result != HACKRF_SUCCESS) {
@@ -101,16 +111,17 @@ int main(void)
 					read_partid_serialno.serial_no[3]);
 
 		result = hackrf_get_operacake_boards(device, &operacakes[0]);
-		if (result != HACKRF_SUCCESS) {
+		if ((result != HACKRF_SUCCESS) && (result != HACKRF_ERROR_USB_API_VERSION)) {
 			fprintf(stderr, "hackrf_get_operacake_boards() failed: %s (%d)\n",
 					hackrf_error_name(result), result);
-			return EXIT_FAILURE;
+				return EXIT_FAILURE;
 		}
-		for(j=0; j<8; j++) {
+		if(result == HACKRF_SUCCESS) {
-			if(operacakes[j] == 0)
+			for(j=0; j<8; j++) {
-				break;
+				if(operacakes[j] == 0)
-			printf("Operacake found, address: 0x%02x\n", operacakes[j]);
+					break;
-
+				printf("Operacake found, address: 0x%02x\n", operacakes[j]);
+			}
 		}
 
 		result = hackrf_close(device);

host/hackrf-tools/src/hackrf_operacake.c

@@ -39,14 +39,14 @@ static void usage() {
 	printf("\t-o, --address <n>: specify a particular operacake by address [default: 0x00]\n");
 	printf("\t-a <n>: set port A connection\n");
 	printf("\t-b <n>: set port B connection\n");
-	printf("\t-v, --verbose: verbose, list available operacake boards\n");
+	printf("\t-l, --list: list available operacake boards\n");
 }
 
 static struct option long_options[] = {
 	{ "device", no_argument, 0, 'd' },
 	{ "serial", no_argument, 0, 's' },
 	{ "address", no_argument, 0, 'o' },
-	{ "verbose", no_argument, 0, 'v' },
+	{ "list", no_argument, 0, 'v' },
 	{ "help", no_argument, 0, 'h' },
 	{ 0, 0, 0, 0 },
 };
@@ -69,8 +69,10 @@ int main(int argc, char** argv) {
 	int operacake_address = 0;
 	int port_a = 0;
 	int port_b = 0;
-	int verbose = 0;
+	bool set_ports = false;
+	bool list = false;
 	uint8_t operacakes[8];
+	uint8_t operacake_count = 0;
 	int i = 0;
 	hackrf_device* device = NULL;
 	int option_index = 0;
@@ -81,7 +83,7 @@ int main(int argc, char** argv) {
 		return -1;
 	}
 
-	while( (opt = getopt_long(argc, argv, "d:s:o:a:b:vh?", long_options, &option_index)) != EOF ) {
+	while( (opt = getopt_long(argc, argv, "d:s:o:a:b:lh?", long_options, &option_index)) != EOF ) {
 		switch( opt ) {
 		case 'd':
 			device_index = atoi(optarg);
@@ -93,6 +95,7 @@ int main(int argc, char** argv) {
 
 		case 'o':
 			operacake_address = atoi(optarg);
+			set_ports = true;
 			break;
 
 		case 'a':
@@ -103,8 +106,8 @@ int main(int argc, char** argv) {
 			port_b = atoi(optarg);
 			break;
 
-		case 'v':
+		case 'l':
-			verbose = 1;
+			list = true;
 			break;
 		case 'h':
 		case '?':
@@ -123,6 +126,12 @@ int main(int argc, char** argv) {
 		}
 	}
 
+	if(!(list || set_ports)) {
+		fprintf(stderr, "Specify either list or address option.\n");
+		usage();
+		return EXIT_FAILURE;
+	}
+
 	if(serial_number != NULL) {
 		result = hackrf_open_by_serial(serial_number, &device);
 	} else {
@@ -139,20 +148,31 @@ int main(int argc, char** argv) {
 		return -1;
 	}
 
-	if(verbose) {
+	if(list) {
-		hackrf_get_operacake_boards(device, operacakes);
+		result = hackrf_get_operacake_boards(device, operacakes);
-		printf("Operacakes found:\n");
+		if (result != HACKRF_SUCCESS) {
-		for(i=0; i<8; i++) {
+			fprintf(stderr, "hackrf_get_operacake_boards() failed: %s (%d)\n",
-			if(operacakes[i] !=0)
+					hackrf_error_name(result), result);
-				printf("%d\n", operacakes[i]);
+			return EXIT_FAILURE;
 		}
+		printf("Operacakes found: ");
+		for(i=0; i<8; i++) {
+			if(operacakes[i] !=0) {
+				printf("\n%d", operacakes[i]);
+				operacake_count++;
+			}
+		}
+		if(!operacake_count)
+			printf("None");
 		printf("\n");
 	}
 
-	result = hackrf_set_operacake_ports(device, operacake_address, port_a, port_b);
+	if(set_ports) {
-	if( result ) {
+		result = hackrf_set_operacake_ports(device, operacake_address, port_a, port_b);
-		printf("hackrf_set_operacake_ports() failed: %s (%d)\n", hackrf_error_name(result), result);
+		if( result ) {
-		return -1;
+			printf("hackrf_set_operacake_ports() failed: %s (%d)\n", hackrf_error_name(result), result);
+			return -1;
+		}
 	}
 
 	result = hackrf_close(device);
@@ -160,8 +180,6 @@ int main(int argc, char** argv) {
 		printf("hackrf_close() failed: %s (%d)\n", hackrf_error_name(result), result);
 		return -1;
 	}
-	
 	hackrf_exit();
-	
 	return 0;
 }

host/hackrf-tools/src/hackrf_spiflash.c

@@ -118,6 +118,7 @@ int main(int argc, char** argv)
 	bool write = false;
 	bool verbose = false;
 	bool reset = false;
+	uint16_t usb_api;
 
 	while ((opt = getopt_long(argc, argv, "a:l:r:w:d:vRh?", long_options,
 			&option_index)) != EOF) {
@@ -309,13 +310,22 @@ int main(int argc, char** argv)
 		}
 	}
 
+	if (fd != NULL) {
+		fclose(fd);
+		fd = NULL;
+	}
+
 	if(reset) {
 		result = hackrf_reset(device);
 		if (result != HACKRF_SUCCESS) {
-			fprintf(stderr, "hackrf_reset() failed: %s (%d)\n",
+			if (result == HACKRF_ERROR_USB_API_VERSION) {
-					hackrf_error_name(result), result);
+				hackrf_usb_api_version_read(device, &usb_api);
-			fclose(fd);
+				fprintf(stderr, "Reset is not supported by firmware API %x.%02x\n",
-			fd = NULL;
+						(usb_api>>8)&0xFF, usb_api&0xFF);
+			} else {
+				fprintf(stderr, "hackrf_reset() failed: %s (%d)\n",
+						hackrf_error_name(result), result);
+			}
 			return EXIT_FAILURE;
 		}
 	}
@@ -324,16 +334,9 @@ int main(int argc, char** argv)
 	if (result != HACKRF_SUCCESS) {
 		fprintf(stderr, "hackrf_close() failed: %s (%d)\n",
 				hackrf_error_name(result), result);
-		fclose(fd);
-		fd = NULL;
 		return EXIT_FAILURE;
 	}
 
 	hackrf_exit();
-
-	if (fd != NULL) {
-		fclose(fd);
-	}
-
 	return EXIT_SUCCESS;
 }

host/hackrf-tools/src/hackrf_sweep.c

@@ -448,7 +448,7 @@ int main(int argc, char** argv) {
 	result |= hackrf_set_lna_gain(device, lna_gain);
 	result |= hackrf_start_rx(device, rx_callback, NULL);
 	if (result != HACKRF_SUCCESS) {
-		fprintf(stderr, "hackrf_start_?x() failed: %s (%d)\n", hackrf_error_name(result), result);
+		fprintf(stderr, "hackrf_start_rx() failed: %s (%d)\n", hackrf_error_name(result), result);
 		usage();
 		return EXIT_FAILURE;
 	}
@@ -457,7 +457,6 @@ int main(int argc, char** argv) {
 	if( result != HACKRF_SUCCESS ) {
 		fprintf(stderr, "hackrf_init_sweep() failed: %s (%d)\n",
 			   hackrf_error_name(result), result);
-		usage();
 		return EXIT_FAILURE;
 	}
 

host/hackrf-tools/src/hackrf_transfer.c

@@ -961,12 +961,10 @@ int main(int argc, char** argv) {
 		}
 	}
 
-	fprintf(stderr, "call hackrf_set_hw_sync_mode(%d)\n",
+	fprintf(stderr, "call hackrf_set_hw_sync_mode(%d)\n", hw_sync);
-			hw_sync);
 	result = hackrf_set_hw_sync_mode(device, hw_sync ? HW_SYNC_MODE_ON : HW_SYNC_MODE_OFF);
 	if( result != HACKRF_SUCCESS ) {
 		fprintf(stderr, "hackrf_set_hw_sync_mode() failed: %s (%d)\n", hackrf_error_name(result), result);
-		usage();
 		return EXIT_FAILURE;
 	}
 

host/libhackrf/src/hackrf.c

@@ -1012,6 +1012,27 @@ int ADDCALL hackrf_version_string_read(hackrf_device* device, char* version,
 	}
 }
 
+extern ADDAPI int ADDCALL hackrf_usb_api_version_read(hackrf_device* device,
+		uint16_t* version)
+{
+	int result;
+	libusb_device* dev;
+	struct libusb_device_descriptor desc;
+	dev = libusb_get_device(device->usb_device);
+	result = libusb_get_device_descriptor(dev, &desc);
+	if (result < 0)
+		return HACKRF_ERROR_LIBUSB;
+
+	*version = desc.bcdDevice;
+	return HACKRF_SUCCESS;
+}
+
+#define USB_API_REQUIRED(device, version)          \
+uint16_t usb_version = 0;                          \
+hackrf_usb_api_version_read(device, &usb_version); \
+if(usb_version < version)                          \
+	return HACKRF_ERROR_USB_API_VERSION;
+
 typedef struct {
 	uint32_t freq_mhz; /* From 0 to 6000+MHz */
 	uint32_t freq_hz; /* From 0 to 999999Hz */
@@ -1577,26 +1598,6 @@ int ADDCALL hackrf_close(hackrf_device* device)
 	return result1;
 }
 
-int ADDCALL hackrf_set_hw_sync_mode(hackrf_device* device, const uint8_t value) {
-	int result = libusb_control_transfer(
-		device->usb_device,
- 		LIBUSB_ENDPOINT_OUT | LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE,
-		HACKRF_VENDOR_REQUEST_SET_HW_SYNC_MODE,
-		value,
-		0,
-		NULL,
-		0,
-		0
-	);
-
-	if( result != 0 )
-	{
-		return HACKRF_ERROR_LIBUSB;
-	} else {
-		return HACKRF_SUCCESS;
-	}
-}
-
 const char* ADDCALL hackrf_error_name(enum hackrf_error errcode)
 {
 	switch(errcode)
@@ -1634,6 +1635,9 @@ const char* ADDCALL hackrf_error_name(enum hackrf_error errcode)
 	case HACKRF_ERROR_STREAMING_EXIT_CALLED:
 		return "HACKRF_ERROR_STREAMING_EXIT_CALLED";
 
+	case HACKRF_ERROR_USB_API_VERSION:
+		return "feature not supported by installed firmware";
+
 	case HACKRF_ERROR_OTHER:
 		return "HACKRF_ERROR_OTHER";
 
@@ -1744,9 +1748,33 @@ uint32_t ADDCALL hackrf_compute_baseband_filter_bw(const uint32_t bandwidth_hz)
 	return p->bandwidth_hz;
 }
 
+/* All features below require USB API version 0x1002 or higher) */
+
+int ADDCALL hackrf_set_hw_sync_mode(hackrf_device* device, const uint8_t value) {
+	USB_API_REQUIRED(device, 0x0102)
+	int result = libusb_control_transfer(
+		device->usb_device,
+ 		LIBUSB_ENDPOINT_OUT | LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE,
+		HACKRF_VENDOR_REQUEST_SET_HW_SYNC_MODE,
+		value,
+		0,
+		NULL,
+		0,
+		0
+	);
+
+	if( result != 0 )
+	{
+		return HACKRF_ERROR_LIBUSB;
+	} else {
+		return HACKRF_SUCCESS;
+	}
+}
+
 /* Initialise sweep mode with alist of frequencies and dwell time in samples */
 int ADDCALL hackrf_init_sweep(hackrf_device* device, uint16_t* frequency_list, int length, uint32_t dwell_time)
 {
+	USB_API_REQUIRED(device, 0x0102)
 	int result, i;
 	int size = length * sizeof(frequency_list[0]);
 
@@ -1776,6 +1804,7 @@ int ADDCALL hackrf_init_sweep(hackrf_device* device, uint16_t* frequency_list, i
  */
 int ADDCALL hackrf_get_operacake_boards(hackrf_device* device, uint8_t* boards)
 {
+	USB_API_REQUIRED(device, 0x0102)
 	int result;
 	result = libusb_control_transfer(
 		device->usb_device,
@@ -1802,6 +1831,7 @@ int ADDCALL hackrf_set_operacake_ports(hackrf_device* device,
                                        uint8_t port_a,
                                        uint8_t port_b)
 {
+	USB_API_REQUIRED(device, 0x0102)
 	int result;
 	/* Error checking */
 	if((port_a > OPERACAKE_PB4) || (port_b > OPERACAKE_PB4)) {
@@ -1831,6 +1861,7 @@ int ADDCALL hackrf_set_operacake_ports(hackrf_device* device,
 }
 
 int ADDCALL hackrf_reset(hackrf_device* device) {
+	USB_API_REQUIRED(device, 0x0102)
 	int result = libusb_control_transfer(
 		device->usb_device,
  		LIBUSB_ENDPOINT_OUT | LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE,

host/libhackrf/src/hackrf.h

@@ -59,6 +59,7 @@ enum hackrf_error {
 	HACKRF_ERROR_STREAMING_THREAD_ERR = -1002,
 	HACKRF_ERROR_STREAMING_STOPPED = -1003,
 	HACKRF_ERROR_STREAMING_EXIT_CALLED = -1004,
+	HACKRF_ERROR_USB_API_VERSION = -1005,
 	HACKRF_ERROR_OTHER = -9999,
 };
 
@@ -170,6 +171,7 @@ extern ADDAPI int ADDCALL hackrf_cpld_write(hackrf_device* device,
 		
 extern ADDAPI int ADDCALL hackrf_board_id_read(hackrf_device* device, uint8_t* value);
 extern ADDAPI int ADDCALL hackrf_version_string_read(hackrf_device* device, char* version, uint8_t length);
+extern ADDAPI int ADDCALL hackrf_usb_api_version_read(hackrf_device* device, uint16_t* version);
 
 extern ADDAPI int ADDCALL hackrf_set_freq(hackrf_device* device, const uint64_t freq_hz);
 extern ADDAPI int ADDCALL hackrf_set_freq_explicit(hackrf_device* device,
@@ -198,9 +200,6 @@ extern ADDAPI int ADDCALL hackrf_set_txvga_gain(hackrf_device* device, uint32_t
 /* antenna port power control */
 extern ADDAPI int ADDCALL hackrf_set_antenna_enable(hackrf_device* device, const uint8_t value);
 
-/* set hardware sync mode  */
-extern ADDAPI int ADDCALL hackrf_set_hw_sync_mode(hackrf_device* device, const uint8_t value);
-
 extern ADDAPI const char* ADDCALL hackrf_error_name(enum hackrf_error errcode);
 extern ADDAPI const char* ADDCALL hackrf_board_id_name(enum hackrf_board_id board_id);
 extern ADDAPI const char* ADDCALL hackrf_usb_board_id_name(enum hackrf_usb_board_id usb_board_id);
@@ -210,6 +209,12 @@ extern ADDAPI const char* ADDCALL hackrf_filter_path_name(const enum rf_path_fil
 extern ADDAPI uint32_t ADDCALL hackrf_compute_baseband_filter_bw_round_down_lt(const uint32_t bandwidth_hz);
 /* Compute best default value depending on sample rate (auto filter) */
 extern ADDAPI uint32_t ADDCALL hackrf_compute_baseband_filter_bw(const uint32_t bandwidth_hz);
+
+/* All features below require USB API version 0x1002 or higher) */
+
+/* set hardware sync mode  */
+extern ADDAPI int ADDCALL hackrf_set_hw_sync_mode(hackrf_device* device, const uint8_t value);
+
 /* Start scan mode */
 extern ADDAPI int ADDCALL hackrf_init_sweep(hackrf_device* device,
 											uint16_t* frequency_list,