drivers/arm-jtag-ew: switch to libusb1

Convert the driver from libusb0 to libusb1.

Change-Id: Idef0b6cf10fab583bc8d13b3b4fadd5cc368c090
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: http://openocd.zylin.com/5990
Tested-by: jenkins

1 files changed, 27 insertions, 20 deletions

diff --git a/src/jtag/drivers/arm-jtag-ew.c b/src/jtag/drivers/arm-jtag-ew.c
index 40d52ac..d7afbe2 100644
--- a/src/jtag/drivers/arm-jtag-ew.c
+++ b/src/jtag/drivers/arm-jtag-ew.c
@@ -22,8 +22,7 @@
 
 #include <jtag/interface.h>
 #include <jtag/commands.h>
-#include <usb.h>
-#include "usb_common.h"
+#include "libusb_helper.h"
 
 #define USB_VID						0x15ba
 #define USB_PID						0x001e
@@ -75,7 +74,7 @@ static void armjtagew_tap_append_scan(int length, uint8_t *buffer, struct scan_c
 
 /* ARM-JTAG-EW lowlevel functions */
 struct armjtagew {
-	struct usb_dev_handle *usb_handle;
+	struct libusb_device_handle *usb_handle;
 };
 
 static struct armjtagew *armjtagew_usb_open(void);
@@ -684,35 +683,37 @@ static int armjtagew_tap_execute(void)
 
 static struct armjtagew *armjtagew_usb_open(void)
 {
-	usb_init();
-
 	const uint16_t vids[] = { USB_VID, 0 };
 	const uint16_t pids[] = { USB_PID, 0 };
-	struct usb_dev_handle *dev;
-	if (jtag_usb_open(vids, pids, &dev) != ERROR_OK)
+	struct libusb_device_handle *dev;
+
+	if (jtag_libusb_open(vids, pids, NULL, &dev, NULL) != ERROR_OK)
 		return NULL;
 
 	struct armjtagew *result = malloc(sizeof(struct armjtagew));
 	result->usb_handle = dev;
 
 #if 0
-	/* usb_set_configuration required under win32 */
-	usb_set_configuration(dev, dev->config[0].bConfigurationValue);
+	/* libusb_set_configuration required under win32 */
+	struct libusb_config_descriptor *config;
+	struct libusb_device *usb_dev = libusb_get_device(dev);
+	libusb_get_config_descriptor(usb_dev, 0, &config);
+	libusb_set_configuration(dev, config->bConfigurationValue);
 #endif
-	usb_claim_interface(dev, 0);
+	libusb_claim_interface(dev, 0);
 #if 0
 	/*
 	 * This makes problems under Mac OS X. And is not needed
 	 * under Windows. Hopefully this will not break a linux build
 	 */
-	usb_set_altinterface(dev, 0);
+	libusb_set_interface_alt_setting(dev, 0, 0);
 #endif
 	return result;
 }
 
 static void armjtagew_usb_close(struct armjtagew *armjtagew)
 {
-	usb_close(armjtagew->usb_handle);
+	libusb_close(armjtagew->usb_handle);
 	free(armjtagew);
 }
 
@@ -725,13 +726,13 @@ static int armjtagew_usb_message(struct armjtagew *armjtagew, int out_length, in
 	if (result == out_length) {
 		result = armjtagew_usb_read(armjtagew, in_length);
 		if (result != in_length) {
-			LOG_ERROR("usb_bulk_read failed (requested=%d, result=%d)",
+			LOG_ERROR("jtag_libusb_bulk_read failed (requested=%d, result=%d)",
 				in_length,
 				result);
 			return -1;
 		}
 	} else {
-		LOG_ERROR("usb_bulk_write failed (requested=%d, result=%d)", out_length, result);
+		LOG_ERROR("jtag_libusb_bulk_write failed (requested=%d, result=%d)", out_length, result);
 		return -1;
 	}
 	return 0;
@@ -741,6 +742,7 @@ static int armjtagew_usb_message(struct armjtagew *armjtagew, int out_length, in
 static int armjtagew_usb_write(struct armjtagew *armjtagew, int out_length)
 {
 	int result;
+	int transferred;
 
 	if (out_length > ARMJTAGEW_OUT_BUFFER_SIZE) {
 		LOG_ERROR("armjtagew_write illegal out_length=%d (max=%d)",
@@ -749,29 +751,34 @@ static int armjtagew_usb_write(struct armjtagew *armjtagew, int out_length)
 		return -1;
 	}
 
-	result = usb_bulk_write(armjtagew->usb_handle, ARMJTAGEW_EPT_BULK_OUT,
-			(char *)usb_out_buffer, out_length, ARMJTAGEW_USB_TIMEOUT);
+	result = jtag_libusb_bulk_write(armjtagew->usb_handle, ARMJTAGEW_EPT_BULK_OUT,
+			(char *)usb_out_buffer, out_length, ARMJTAGEW_USB_TIMEOUT, &transferred);
 
 	LOG_DEBUG_IO("armjtagew_usb_write, out_length = %d, result = %d", out_length, result);
 
 #ifdef _DEBUG_USB_COMMS_
 	armjtagew_debug_buffer(usb_out_buffer, out_length);
 #endif
-	return result;
+	if (result != ERROR_OK)
+		return -1;
+	return transferred;
 }
 
 /* Read data from USB into in_buffer. */
 static int armjtagew_usb_read(struct armjtagew *armjtagew, int exp_in_length)
 {
-	int result = usb_bulk_read(armjtagew->usb_handle, ARMJTAGEW_EPT_BULK_IN,
-			(char *)usb_in_buffer, exp_in_length, ARMJTAGEW_USB_TIMEOUT);
+	int transferred;
+	int result = jtag_libusb_bulk_read(armjtagew->usb_handle, ARMJTAGEW_EPT_BULK_IN,
+			(char *)usb_in_buffer, exp_in_length, ARMJTAGEW_USB_TIMEOUT, &transferred);
 
 	LOG_DEBUG_IO("armjtagew_usb_read, result = %d", result);
 
 #ifdef _DEBUG_USB_COMMS_
 	armjtagew_debug_buffer(usb_in_buffer, result);
 #endif
-	return result;
+	if (result != ERROR_OK)
+		return -1;
+	return transferred;
 }
 
 #ifdef _DEBUG_USB_COMMS_