Add host functions to set operacake ports

host/libhackrf/src/hackrf.c

@@ -67,6 +67,9 @@ typedef enum {
 	HACKRF_VENDOR_REQUEST_SET_TXVGA_GAIN = 21,
 	HACKRF_VENDOR_REQUEST_ANTENNA_ENABLE = 23,
 	HACKRF_VENDOR_REQUEST_SET_FREQ_EXPLICIT = 24,
+	HACKRF_VENDOR_REQUEST_READ_WCID = 25,
+	HACKRF_VENDOR_REQUEST_OPERACAKE_SET_PORTS = 26,
+	HACKRF_VENDOR_REQUEST_GET_OPERACAKES = 27,
 } hackrf_vendor_request;
 
 typedef enum {
@@ -1695,6 +1698,40 @@ uint32_t ADDCALL hackrf_compute_baseband_filter_bw(const uint32_t bandwidth_hz)
 	return p->bandwidth_hz;
 }
 
+/* Set Operacake ports */
+int ADDCALL hackrf_set_operacake_ports(hackrf_device* device,
+                                       const uint8_t port_a,
+                                       const uint8_t port_b)
+{
+	int result;
+	/* Error checking */
+	if((port_a > OPERACAKE_PB4) || (port_b > OPERACAKE_PB4)) {
+		return HACKRF_ERROR_INVALID_PARAM;
+	}
+	/* Check which side PA and PB are on */
+	if(((port_a <= OPERACAKE_PA4) && (port_b <= OPERACAKE_PA4))
+	    || ((port_a > OPERACAKE_PA4) && (port_b > OPERACAKE_PA4))) {
+		return HACKRF_ERROR_INVALID_PARAM;
+	}
+	result = libusb_control_transfer(
+		device->usb_device,
+		LIBUSB_ENDPOINT_OUT | LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE,
+		HACKRF_VENDOR_REQUEST_OPERACAKE_SET_PORTS,
+		port_a,
+		port_b,
+		NULL,
+		0,
+		0
+	);
+
+	if (result != 0)
+	{
+		return HACKRF_ERROR_LIBUSB;
+	} else {
+		return HACKRF_SUCCESS;
+	}
+}
+
 #ifdef __cplusplus
 } // __cplusplus defined.
 #endif

host/libhackrf/src/hackrf.h

@@ -83,6 +83,17 @@ enum rf_path_filter {
 	RF_PATH_FILTER_HIGH_PASS = 2,
 };
 
+enum operacake_ports {
+	OPERACAKE_PA1 = 0,
+	OPERACAKE_PA2 = 1,
+	OPERACAKE_PA3 = 2,
+	OPERACAKE_PA4 = 3,
+	OPERACAKE_PB1 = 4,
+	OPERACAKE_PB2 = 5,
+	OPERACAKE_PB3 = 6,
+	OPERACAKE_PB4 = 7,
+};
+
 typedef struct hackrf_device hackrf_device;
 
 typedef struct {