DMA now working

Seems that the class startup was happening at the wrong point. It needs to happen when the lower stack calls the ClassRequest callback. This fix also eliminates the spurious Device Error callback. Signed-off-by: Greg Burns <[email protected]>
electro-smith · Mar 5, 2024 · 811a649 · 811a649
1 parent 0312c80
commit 811a649
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Showing 3 changed files with 3 additions and 4 deletions.
diff --git a/Middlewares/ST/STM32_USB_Host_Library/Class/MIDI/Src/usbh_midi.c b/Middlewares/ST/STM32_USB_Host_Library/Class/MIDI/Src/usbh_midi.c
@@ -137,7 +137,7 @@ static USBH_StatusTypeDef USBH_MIDI_InterfaceDeInit(USBH_HandleTypeDef *phost)
  */
 static USBH_StatusTypeDef USBH_MIDI_ClassRequest(USBH_HandleTypeDef *phost)
 {
-    phost->pUser(phost, HOST_CLASS_REQUEST);
+    phost->pUser(phost, HOST_USER_CLASS_ACTIVE);
     return USBH_OK;
 }
 
@@ -159,7 +159,6 @@ static USBH_StatusTypeDef USBH_MIDI_Process(USBH_HandleTypeDef *phost)
     switch (hMidi->state) {
         case MIDI_INIT:
             hMidi->state = MIDI_IDLE;
-            phost->pUser(phost, HOST_USER_CLASS_ACTIVE);
             break;
         case MIDI_IDLE:
             hMidi->state = MIDI_RX;

diff --git a/examples/MIDI_USBH_Input/MIDI_USBH_Input.cpp b/examples/MIDI_USBH_Input/MIDI_USBH_Input.cpp
@@ -73,7 +73,7 @@ int main(void)
     /** Initialize our hardware */
     hw.Init();
 
-    hw.StartLog();
+    hw.StartLog(true);
 
     hw.PrintLine("MIDI USB Host start");
 

diff --git a/src/usbh/usbh_conf.c b/src/usbh/usbh_conf.c
@@ -226,7 +226,7 @@ USBH_StatusTypeDef USBH_LL_Init(USBH_HandleTypeDef *phost)
         hhcd_USB_OTG_HS.Instance               = USB_OTG_HS;
         hhcd_USB_OTG_HS.Init.Host_channels     = 16;
         hhcd_USB_OTG_HS.Init.speed             = HCD_SPEED_FULL;
-        hhcd_USB_OTG_HS.Init.dma_enable        = DISABLE;
+        hhcd_USB_OTG_HS.Init.dma_enable        = ENABLE;
         hhcd_USB_OTG_HS.Init.phy_itface        = USB_OTG_EMBEDDED_PHY;
         hhcd_USB_OTG_HS.Init.Sof_enable        = DISABLE;
         hhcd_USB_OTG_HS.Init.low_power_enable  = DISABLE;