mkii: Unfinished code for image flashing

src/mkii.c

@@ -141,11 +141,145 @@ enum device mkii_get_device(struct usb_device_info * dev) {
 
 int mkii_flash_image(struct usb_device_info * dev, struct image * image) {
 
+	char buf1[512];
+	char buf[2048];
+	struct mkii_message * msg1;
+	struct mkii_message * msg;
+	char * ptr;
+	const char * type;
+	uint8_t len;
+	uint16_t hash;
+	uint32_t size;
+	int ret;
+
 	ERROR("Not implemented yet");
-	(void)dev;
-	(void)image;
 	return -1;
 
+	msg = (struct mkii_message *)buf;
+	msg1 = (struct mkii_message *)buf1;
+	ptr = msg->data;
+
+	/* Signature */
+	memcpy(ptr, "\x2E\x19\x01\x01", 4);
+	ptr += 4;
+
+	/* Space */
+	memcpy(ptr, "\x00", 1);
+	ptr += 1;
+
+	/* Hash */
+	hash = htons(image->hash);
+	memcpy(ptr, &hash, 2);
+	ptr += 2;
+
+	/* Type */
+	type = image_type_to_string(image->type);
+	if ( ! type )
+		ERROR_RETURN("Unknown image type", -1);
+	memset(ptr, 0, 12);
+	strncpy(ptr, type, 12);
+	ptr += 12;
+
+	/* Size */
+	size = htonl(image->size);
+	memcpy(ptr, &size, 4);
+	ptr += 4;
+
+	/* Space */
+	memcpy(ptr, "\x00\x00\x00\x00", 4);
+	ptr += 4;
+
+	/* Device & hwrev */
+	if ( image->devices ) {
+
+		int i;
+		uint8_t len;
+		char buf[9];
+		char ** bufs = NULL;
+		struct device_list * device = image->devices;
+
+		while ( device ) {
+			if ( device->device == dev->device && hwrev_is_valid(device->hwrevs, dev->hwrev) )
+				break;
+			device = device->next;
+		}
+
+		if ( device )
+			bufs = device_list_alloc_to_bufs(device);
+
+		if ( bufs ) {
+
+			memset(buf, 0, sizeof(buf));
+			snprintf(buf, 8+1, "%d", dev->hwrev);
+
+			for ( i = 0; bufs[i]; ++i ) {
+				len = ((uint8_t*)bufs[i])[0];
+				if ( memmem(bufs[i]+1, len, buf, strlen(buf)) )
+					break;
+			}
+
+			if ( bufs[i] ) {
+				/* Device & hwrev string header */
+				memcpy(ptr, "\x32", 1);
+				ptr += 1;
+				/* Device & hwrev string size */
+				memcpy(ptr, &len, 1);
+				ptr += 1;
+				/* Device & hwrev string */
+				memcpy(ptr, bufs[i]+1, len);
+				ptr += len;
+			}
+
+			free(bufs);
+
+		}
+
+	}
+
+	/* Version */
+	if ( image->version ) {
+		len = strnlen(image->version, 255) + 1;
+		/* Version string header */
+		memcpy(ptr, "\x31", 1);
+		ptr += 1;
+		/* Version string size */
+		memcpy(ptr, &len, 1);
+		ptr += 1;
+		/* Version string */
+		memcpy(ptr, image->version, len);
+		ptr += len;
+	}
+
+	/* append layout subsection */
+	if ( image->layout ) {
+		len = strlen(image->layout);
+		/* Layout header */
+		memcpy(ptr, "\x33", 1);
+		ptr += 1;
+		/* Layout size */
+		memcpy(ptr, &len, 1);
+		ptr += 1;
+		/* Layout string */
+		memcpy(ptr, image->layout, len);
+		ptr += len;
+	}
+
+	/* end */
+	memcpy(ptr, "\x00", 1);
+	ptr += 1;
+
+	ret = mkii_send_receive(dev->udev, MKII_INIT_SEND, msg1, 0, msg1, sizeof(buf1));
+	if ( ret != 1 || msg1->data[0] != 0 )
+		return -1;
+
+	ret = mkii_send_receive(dev->udev, MKII_SEND_IMAGE, msg, ptr - msg->data, msg, sizeof(buf));
+	if ( ret != 9 )
+		return -1;
+
+	/* TODO: send image itself */
+
+	return 0;
+
 }
 
 int mkii_reboot_device(struct usb_device_info * dev) {