1 files changed, 0 insertions, 159 deletions
diff --git a/extra/usb_gpio/usb_gpio.c b/extra/usb_gpio/usb_gpio.c
deleted file mode 100644
index 8973f3d304..0000000000
--- a/extra/usb_gpio/usb_gpio.c
+++ /dev/null
@@ -1,159 +0,0 @@
-/*
- * Copyright 2014 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include <libusb.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#define CHECK(expression)					\
-	({							\
-		int error__ = (expression);			\
-								\
-		if (error__ != 0) {				\
-			fprintf(stderr,				\
-				"libusb error: %s:%d %s\n",	\
-				__FILE__,			\
-				__LINE__,			\
-				libusb_error_name(error__));	\
-			return error__;				\
-		}						\
-								\
-		error__;					\
-	})
-
-#define TRANSFER_TIMEOUT_MS 100
-
-static int gpio_write(libusb_device_handle *device,
-		      uint32_t set_mask,
-		      uint32_t clear_mask)
-{
-	uint8_t command[8];
-	int     transferred;
-
-	command[0] = (set_mask >>  0) & 0xff;
-	command[1] = (set_mask >>  8) & 0xff;
-	command[2] = (set_mask >> 16) & 0xff;
-	command[3] = (set_mask >> 24) & 0xff;
-
-	command[4] = (clear_mask >>  0) & 0xff;
-	command[5] = (clear_mask >>  8) & 0xff;
-	command[6] = (clear_mask >> 16) & 0xff;
-	command[7] = (clear_mask >> 24) & 0xff;
-
-	CHECK(libusb_bulk_transfer(device,
-				   LIBUSB_ENDPOINT_OUT | 2,
-				   command,
-				   sizeof(command),
-				   &transferred,
-				   TRANSFER_TIMEOUT_MS));
-
-	if (transferred != sizeof(command)) {
-		fprintf(stderr,
-			"Failed to transfer full command "
-			"(sent %d of %d bytes)\n",
-			transferred,
-			(int)sizeof(command));
-		return LIBUSB_ERROR_OTHER;
-	}
-
-	return 0;
-}
-
-static int gpio_read(libusb_device_handle *device, uint32_t *mask)
-{
-	uint8_t response[4];
-	int     transferred;
-
-	/*
-	 * The first query does triggers the sampling of the GPIO values, the
-	 * second query reads them back.
-	 */
-	CHECK(libusb_bulk_transfer(device,
-				   LIBUSB_ENDPOINT_IN | 2,
-				   response,
-				   sizeof(response),
-				   &transferred,
-				   TRANSFER_TIMEOUT_MS));
-
-	CHECK(libusb_bulk_transfer(device,
-				   LIBUSB_ENDPOINT_IN | 2,
-				   response,
-				   sizeof(response),
-				   &transferred,
-				   TRANSFER_TIMEOUT_MS));
-
-	if (transferred != sizeof(response)) {
-		fprintf(stderr,
-			"Failed to transfer full response "
-			"(read %d of %d bytes)\n",
-			transferred,
-			(int)sizeof(response));
-		return LIBUSB_ERROR_OTHER;
-	}
-
-	*mask = (response[0] <<  0 |
-		 response[1] <<  8 |
-		 response[2] << 16 |
-		 response[3] << 24);
-
-	return 0;
-}
-
-int main(int argc, char **argv)
-{
-	libusb_context       *context;
-	libusb_device_handle *device;
-	uint16_t              vendor_id  = 0x18d1; /* Google */
-	uint16_t              product_id = 0x500f; /* discovery-stm32f072 */
-	int                   interface = 1;	   /* gpio interface */
-
-	if (!(argc == 2 && strcmp(argv[1], "read")  == 0) &&
-	    !(argc == 4 && strcmp(argv[1], "write") == 0)) {
-		puts("Usage: usb_gpio read\n"
-		     "       usb_gpio write <set_mask> <clear_mask>\n");
-		return 1;
-	}
-
-	CHECK(libusb_init(&context));
-
-	device = libusb_open_device_with_vid_pid(context,
-						 vendor_id,
-						 product_id);
-
-	if (device == NULL) {
-		fprintf(stderr,
-			"Unable to find device 0x%04x:0x%04x\n",
-			vendor_id,
-			product_id);
-		return 1;
-	}
-
-	CHECK(libusb_set_auto_detach_kernel_driver(device, 1));
-	CHECK(libusb_claim_interface(device, interface));
-
-	if (argc == 2 && strcmp(argv[1], "read") == 0) {
-		uint32_t mask;
-
-		CHECK(gpio_read(device, &mask));
-
-		printf("GPIO mask: 0x%08x\n", mask);
-	}
-
-	if (argc == 4 && strcmp(argv[1], "write") == 0) {
-		uint32_t set_mask   = strtol(argv[2], NULL, 0);
-		uint32_t clear_mask = strtol(argv[3], NULL, 0);
-
-		CHECK(gpio_write(device, set_mask, clear_mask));
-	}
-
-	libusb_close(device);
-	libusb_exit(context);
-
-	return 0;
-}