drivers/arm-jtag-ew: switch to libusb1

[openocd.git] / src / jtag / drivers / arm-jtag-ew.c

diff --git a/src/jtag/drivers/arm-jtag-ew.c b/src/jtag/drivers/arm-jtag-ew.c
index 40d52acb9cf49c40a31fa8657c299a6f54225cf0..d7afbe24df45a5b7ee73f1488a4ec42dc06e8f3a 100644 (file)
--- 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_