test USBSendData ready for testing

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1 parent 97064000
Showing 2 changed files with 53 additions and 37 deletions Show diff stats
tests/USBSendData/a.out
tests/USBSendData/test_send_data.c
@@ -5,13 +5,8 @@
 // arduino ID vendor and product
 #define ID_VENDOR 0x2341
 #define ID_PRODUCT 0x01
-
-// gcc file.c -l usb-1.0
-
-typedef struct {
-	int interface_id;
-	int endpoint_id;
-} Endpoint;
+#define ENDPOINTS_NUMBER 4
+#define TIMEOUT 2000
 void init(libusb_context **context, libusb_device ***devices, ssize_t *devices_count){
 	int status = libusb_init(context);
@@ -71,53 +66,37 @@ void openConnection(libusb_device *arduino, libusb_device_handle **handle, struc
 	}
 }
-void getEndpoints(struct libusb_config_descriptor *config_desc, Endpoint* endpoint_list, int* endpoints_size){
-	// how many endpoints in total ?
-	*endpoints_size = 0;
-	for(int j=0; j<config_desc->bNumInterfaces; j++)
-		*endpoints_size += config_desc->interface[j].altsetting[0].bNumEndpoints;
-	
-	// list endpoints
-	endpoints[*endpoints_size];
+void getEndpoints(struct libusb_config_descriptor *config_desc, struct libusb_endpoint_descriptor *endpoint_desc_list){
+	int count = 0;
 	// in interfaces
 	for(int j=0; j<config_desc->bNumInterfaces; j++){
 		// find endpoints
 		for(int k=0; k<config_desc->interface[j].altsetting[0].bNumEndpoints; k++){
-			struct libusb_endpoint_descriptor endpoint_desc = config_desc->interface[j].altsetting[0].endpoint[k];
-			
-			//DEBUG list endpoints bEndpointAddress and bmAttributes
-			/*printf("Endpoint inter. %d, num. %d\n", j, k);
-			printf("bEndpointAddress = 0x%x\n", endpoint_desc.bEndpointAddress);
-			printf("bmAttributes = 0x%x\n", endpoint_desc.bmAttributes);*/
+			if(count > ENDPOINTS_NUMBER){ printf("getEndpoints: Array out of bound :%d:", count); exit(-1); }
+			*(endpoint_desc_list + count) = config_desc->interface[j].altsetting[0].endpoint[k];
+			count++;
 		}
 	}
-	
+	if(count != ENDPOINTS_NUMBER){ printf("Wrong number of endpoints.\nIs this the good device ?\n"); exit(-1); }
 }
-int main(){
+void start(libusb_context **context, libusb_device ***devices, libusb_device_handle **handle, struct libusb_config_descriptor **config_desc, struct libusb_endpoint_descriptor *endpoint_desc_list){
 	// init
-	libusb_context *context;
-	libusb_device **devices;
 	ssize_t devices_count;
-	init(&context, &devices, &devices_count);
+	init(context, devices, &devices_count);
 	// get arduino device
-	libusb_device *arduino = searchArduino(devices, devices_count);
-	if(arduino == NULL){ printf("Arduino not found\n"); exit(-1); }
+	libusb_device *arduino = searchArduino(*devices, devices_count);
+	if(arduino == NULL){ printf("Arduino device not found\n"); exit(-1); }
 	// open connection, use config, detach kernel and claim interfaces
-	libusb_device_handle *handle;
-	struct libusb_config_descriptor *config_desc;
-	openConnection(arduino, &handle, &config_desc);
+	openConnection(arduino, handle, config_desc);
 	// get enpoints
-	Endpoint* endpoint_list;
-	int endpoint_list_size;
-	getEndpoints(config_desc);
-//TODO  ^^^^^^^^^^^^
-	
-	
+	getEndpoints(*config_desc, endpoint_desc_list);
+}
+void stop(struct libusb_config_descriptor *config_desc, libusb_device_handle *handle, libusb_device **devices, libusb_context *context){
 	// release interfaces
 	for(int j=0; j<config_desc->bNumInterfaces; j++){
 		struct libusb_interface_descriptor interface_desc = config_desc->interface[j].altsetting[0];
@@ -140,3 +119,40 @@ int main(){
 	libusb_exit(context);
 }
+int main(){
+	libusb_context *context;
+	libusb_device **devices;
+	libusb_device_handle *handle;
+	struct libusb_config_descriptor *config_desc;
+	struct libusb_endpoint_descriptor endpoint_desc_list[ENDPOINTS_NUMBER];
+
+	// start
+	printf("Starting...\n");
+	start(&context, &devices, &handle, &config_desc, endpoint_desc_list);
+	printf("Start complete\n");
+
+	// send data test
+	printf("Sending data...\n");
+	unsigned char data_sent = 0x52;
+	int transferred_bytes = 0;
+	int status = libusb_interrupt_transfer(handle, endpoint_desc_list[0].bEndpointAddress, &data_sent, 1, &transferred_bytes, TIMEOUT);
+	printf("Done with status :%d:\nTranferred bytes :%d:\nData sent :0x%x:\n", status, transferred_bytes, data_sent);
+
+	// recieve data test
+	printf("Recieving data...\n");
+	unsigned char data_recived = 0;
+	transferred_bytes = 0;
+	status = libusb_interrupt_transfer(handle, endpoint_desc_list[2].bEndpointAddress, &data_recived, 1, &transferred_bytes, TIMEOUT);
+	printf("Done with status :%d:\nTranferred bytes :%d:\nData recieved :0x%x:\n", status, transferred_bytes, data_recived);
+	
+	// stop
+	printf("Stoping...\n");
+	stop(config_desc, handle, devices, context);
+	printf("Stop complete...\n");
+}
+
+
+/*printf("Endpoint inter. %d, num. %d\n", j, k);
+printf("bEndpointAddress = 0x%x\n", endpoint_desc.bEndpointAddress);
+printf("bmAttributes = 0x%x\n", endpoint_desc.bmAttributes);*/
+