X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/hmcfgusb/blobdiff_plain/62f25bae3cf25b35ecac593129e07f1b600dbe1a..17fd65391636a1e3e4bad18c53b75c31ec49f282:/hmcfgusb.c

diff --git a/hmcfgusb.c b/hmcfgusb.c
index 8261f13..01a50b7 100644
--- a/hmcfgusb.c
+++ b/hmcfgusb.c
@@ -311,6 +311,7 @@ struct hmcfgusb_dev *hmcfgusb_init(hmcfgusb_cb_fn cb, void *data)
 		devh = hmcfgusb_find(ID_VENDOR, ID_PRODUCT_BL);
 		if (!devh) {
 			fprintf(stderr, "Can't find/open hmcfgusb!\n");
+			libusb_exit(NULL);
 			return NULL;
 		}
 		bootloader = 1;
@@ -319,6 +320,8 @@ struct hmcfgusb_dev *hmcfgusb_init(hmcfgusb_cb_fn cb, void *data)
 	dev = malloc(sizeof(struct hmcfgusb_dev));
 	if (!dev) {
 		perror("Can't allocate memory for hmcfgusb_dev");
+		libusb_close(devh);
+		libusb_exit(NULL);
 		return NULL;
 	}
 
@@ -331,6 +334,8 @@ struct hmcfgusb_dev *hmcfgusb_init(hmcfgusb_cb_fn cb, void *data)
 	if (!cb_data) {
 		perror("Can't allocate memory for hmcfgusb_cb_data");
 		free(dev);
+		libusb_close(devh);
+		libusb_exit(NULL);
 		return NULL;
 	}
 
@@ -345,6 +350,8 @@ struct hmcfgusb_dev *hmcfgusb_init(hmcfgusb_cb_fn cb, void *data)
 		fprintf(stderr, "Can't prepare async device io!\n");
 		free(dev);
 		free(cb_data);
+		libusb_close(devh);
+		libusb_exit(NULL);
 		return NULL;
 	}
 
@@ -353,6 +360,8 @@ struct hmcfgusb_dev *hmcfgusb_init(hmcfgusb_cb_fn cb, void *data)
 		fprintf(stderr, "Can't get FDset from libusb!\n");
 		free(dev);
 		free(cb_data);
+		libusb_close(devh);
+		libusb_exit(NULL);
 		return NULL;
 	}
 
@@ -365,6 +374,8 @@ struct hmcfgusb_dev *hmcfgusb_init(hmcfgusb_cb_fn cb, void *data)
 		perror("Can't allocate memory for poll-fds");
 		free(dev);
 		free(cb_data);
+		libusb_close(devh);
+		libusb_exit(NULL);
 		return NULL;
 	}
 
@@ -497,6 +508,22 @@ void hmcfgusb_enter_bootloader(struct hmcfgusb_dev *dev)
 	return;
 }
 
+void hmcfgusb_leave_bootloader(struct hmcfgusb_dev *dev)
+{
+	uint8_t out[ASYNC_SIZE];
+
+	if (!dev->bootloader) {
+		fprintf(stderr, "request for leaving bootloader mode, but device already in normal mode!\n");
+		return;
+	}
+
+	memset(out, 0, sizeof(out));
+	out[0] = 'K';
+	hmcfgusb_send(dev, out, sizeof(out), 1);
+
+	return;
+}
+
 void hmcfgusb_close(struct hmcfgusb_dev *dev)
 {
 	int err;