From e92118635cc8055a5ca599eaf9919d99a55bf584 Mon Sep 17 00:00:00 2001
From: hathach <thach@tinyusb.org>
Date: Mon, 1 Jun 2020 13:40:18 +0700
Subject: [PATCH] adding speed detect on bus reset

---
 hw/bsp/stm32h743eval/board.mk | 2 +-
 src/device/usbd.c             | 7 +++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/hw/bsp/stm32h743eval/board.mk b/hw/bsp/stm32h743eval/board.mk
index 5c6c6ea4f..cbf37a95d 100644
--- a/hw/bsp/stm32h743eval/board.mk
+++ b/hw/bsp/stm32h743eval/board.mk
@@ -48,7 +48,7 @@ FREERTOS_PORT = ARM_CM7/r0p1
 
 # For flash-jlink target
 JLINK_DEVICE = stm32h743xi
-JLINK_IF = jtag
+JLINK_IF = swd
 
 # flash target using on-board stlink
 flash: flash-stlink
diff --git a/src/device/usbd.c b/src/device/usbd.c
index 275792ab9..eeb5011ec 100644
--- a/src/device/usbd.c
+++ b/src/device/usbd.c
@@ -40,7 +40,8 @@
 //--------------------------------------------------------------------+
 // Device Data
 //--------------------------------------------------------------------+
-typedef struct {
+typedef struct
+{
   struct TU_ATTR_PACKED
   {
     volatile uint8_t connected    : 1;
@@ -53,6 +54,8 @@ typedef struct {
     uint8_t self_powered          : 1; // configuration descriptor's attribute
   };
 
+  uint8_t speed;
+
   uint8_t itf2drv[16];     // map interface number to driver (0xff is invalid)
   uint8_t ep2drv[8][2];    // map endpoint to driver ( 0xff is invalid )
 
@@ -384,7 +387,7 @@ void tud_task (void)
     {
       case DCD_EVENT_BUS_RESET:
         usbd_reset(event.rhport);
-        // TODO DCD should report operational speed (LS/FS/HS)
+        _usbd_dev.speed = event.bus_reset.speed;
       break;
 
       case DCD_EVENT_UNPLUGGED: