X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fcommon%2Fezusb.c;h=2001a61f93fbeebf85cf2e2f4aef5df5d50a18a3;hb=45edd0b204b4166f2f590bf130b97ff90896a99f;hp=6a4f329778192d9c18a1741a7c850c99baafe878;hpb=c73d2ea421c2b425c3f0ae33bce2bfd0c448ca5f;p=libsigrok.git

diff --git a/hardware/common/ezusb.c b/hardware/common/ezusb.c
index 6a4f3297..2001a61f 100644
--- a/hardware/common/ezusb.c
+++ b/hardware/common/ezusb.c
@@ -32,29 +32,30 @@
 
 SR_PRIV int ezusb_reset(struct libusb_device_handle *hdl, int set_clear)
 {
-	int err;
+	int ret;
 	unsigned char buf[1];
 
-	sr_info("setting CPU reset mode %s...", set_clear ? "on" : "off");
+	sr_info("ezusb: setting CPU reset mode %s...",
+		set_clear ? "on" : "off");
 	buf[0] = set_clear ? 1 : 0;
-	err = libusb_control_transfer(hdl, LIBUSB_REQUEST_TYPE_VENDOR, 0xa0,
+	ret = libusb_control_transfer(hdl, LIBUSB_REQUEST_TYPE_VENDOR, 0xa0,
 				      0xe600, 0x0000, buf, 1, 100);
-	if (err < 0)
-		sr_err("Unable to send control request: %d", err);
+	if (ret < 0)
+		sr_err("ezusb: Unable to send control request: %d", ret);
 
-	return err;
+	return ret;
 }
 
 SR_PRIV int ezusb_install_firmware(libusb_device_handle *hdl,
 				   const char *filename)
 {
 	FILE *fw;
-	int offset, chunksize, err, result;
+	int offset, chunksize, ret, result;
 	unsigned char buf[4096];
 
-	sr_info("Uploading firmware at %s", filename);
+	sr_info("ezusb: Uploading firmware at %s", filename);
 	if ((fw = g_fopen(filename, "rb")) == NULL) {
-		sr_err("Unable to open firmware file %s for reading: %s",
+		sr_err("ezusb: Unable to open firmware file %s for reading: %s",
 		       filename, strerror(errno));
 		return SR_ERR;
 	}
@@ -65,19 +66,20 @@ SR_PRIV int ezusb_install_firmware(libusb_device_handle *hdl,
 		chunksize = fread(buf, 1, 4096, fw);
 		if (chunksize == 0)
 			break;
-		err = libusb_control_transfer(hdl, LIBUSB_REQUEST_TYPE_VENDOR |
+		ret = libusb_control_transfer(hdl, LIBUSB_REQUEST_TYPE_VENDOR |
 					      LIBUSB_ENDPOINT_OUT, 0xa0, offset,
 					      0x0000, buf, chunksize, 100);
-		if (err < 0) {
-			sr_err("Unable to send firmware to device: %d", err);
+		if (ret < 0) {
+			sr_err("ezusb: Unable to send firmware to device: %d",
+			       ret);
 			result = SR_ERR;
 			break;
 		}
-		sr_info("Uploaded %d bytes", chunksize);
+		sr_info("ezusb: Uploaded %d bytes", chunksize);
 		offset += chunksize;
 	}
 	fclose(fw);
-	sr_info("Firmware upload done");
+	sr_info("ezusb: Firmware upload done");
 
 	return result;
 }
@@ -86,28 +88,28 @@ SR_PRIV int ezusb_upload_firmware(libusb_device *dev, int configuration,
 				  const char *filename)
 {
 	struct libusb_device_handle *hdl;
-	int err;
+	int ret;
 
-	sr_info("uploading firmware to device on %d.%d",
-		  libusb_get_bus_number(dev), libusb_get_device_address(dev));
+	sr_info("ezusb: uploading firmware to device on %d.%d",
+		libusb_get_bus_number(dev), libusb_get_device_address(dev));
 
-	if ((err = libusb_open(dev, &hdl)) < 0) {
-		sr_err("failed to open device: %d", err);
+	if ((ret = libusb_open(dev, &hdl)) < 0) {
+		sr_err("ezusb: failed to open device: %d", ret);
 		return SR_ERR;
 	}
 
 /* Neither Windows/MinGW nor Darwin/Mac support these libusb-1.0 calls. */
 #if !defined(_WIN32) && !defined(__APPLE__)
 	if (libusb_kernel_driver_active(hdl, 0)) {
-		if ((err = libusb_detach_kernel_driver(hdl, 0)) < 0) {
-			sr_err("failed to detach kernel driver: %d", err);
+		if ((ret = libusb_detach_kernel_driver(hdl, 0)) < 0) {
+			sr_err("ezusb: failed to detach kernel driver: %d", ret);
 			return SR_ERR;
 		}
 	}
 #endif
 
-	if ((err = libusb_set_configuration(hdl, configuration)) < 0) {
-		sr_err("Unable to set configuration: %d", err);
+	if ((ret = libusb_set_configuration(hdl, configuration)) < 0) {
+		sr_err("ezusb: Unable to set configuration: %d", ret);
 		return SR_ERR;
 	}