1 files changed, 70 insertions, 0 deletions
diff --git a/src/nv3p.c b/src/nv3p.c
index 19c5976..b3f6045 100644
--- a/src/nv3p.c
+++ b/src/nv3p.c
@@ -36,6 +36,76 @@
 #include "usb.h"
 #include "debug.h"
 
+/* nv3p command packet format */
+/*|------------32 bits--------------|*/
+/*************************************/
+/* NV3P_VERSION                      */
+/*-----------------------------------*/
+/* NV3P_PACKET_TYPE_CMD              */
+/*-----------------------------------*/
+/* sequence no                       */
+/*-----------------------------------*/
+/* length of command arguments       */
+/*-----------------------------------*/
+/* command, one of:                  */
+/*   NV3P_CMD_GET_PLATFORM_INFO      */
+/*   NV3P_CMD_DL_BCT                 */
+/*   NV3P_CMD_DL_BL                  */
+/*   NV3P_CMD_STATUS                 */
+/*-----------------------------------*/
+/* command arguments                 */
+/*                 .                 */
+/*                 .                 */
+/*                 .                 */
+/*-----------------------------------*/
+/* checksum                          */
+/*-----------------------------------*/
+
+/* nv3p ack packet format */
+/*|------------32 bits--------------|*/
+/*************************************/
+/* NV3P_VERSION                      */
+/*-----------------------------------*/
+/* NV3P_PACKET_TYPE_ACK              */
+/*-----------------------------------*/
+/* sequence no                       */
+/*-----------------------------------*/
+/* checksum                          */
+/*-----------------------------------*/
+
+/* nv3p nack packet format */
+/*|------------32 bits--------------|*/
+/*************************************/
+/* NV3P_VERSION                      */
+/*-----------------------------------*/
+/* NV3P_PACKET_TYPE_NACK             */
+/*-----------------------------------*/
+/* sequence no                       */
+/*-----------------------------------*/
+/* nack code                         */
+/*-----------------------------------*/
+/* checksum                          */
+/*-----------------------------------*/
+
+/* nv3p data packet format */
+/*|------------32 bits--------------|*/
+/*************************************/
+/* NV3P_VERSION                      */
+/*-----------------------------------*/
+/* NV3P_PACKET_TYPE_DATA             */
+/*-----------------------------------*/
+/* sequence no                       */
+/*-----------------------------------*/
+/* length of data                    */
+/*-----------------------------------*/
+/* data                              */
+/*                 .                 */
+/*                 .                 */
+/*                 .                 */
+/*-----------------------------------*/
+/* checksum                          */
+/*-----------------------------------*/
+
 typedef struct nv3p_state {
 	usb_device_t *usb;
 	uint32_t sequence;