From a225ee383bd8de5ff51f86b2f43103355a53a577 Mon Sep 17 00:00:00 2001
From: sakumisu <1203593632@qq.com>
Date: Tue, 14 May 2024 21:34:50 +0800
Subject: update(demo/midi): add read api

---
 demo/midi_template.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/demo/midi_template.c b/demo/midi_template.c
index e0a5d9e7..d09a9430 100644
--- a/demo/midi_template.c
+++ b/demo/midi_template.c
@@ -151,6 +151,9 @@ const uint8_t midi_descriptor[] = {
     0x00
 };
 
+USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t read_buffer[MIDI_EP_MPS];
+USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t write_buffer[MIDI_EP_MPS];
+
 static void usbd_event_handler(uint8_t busid, uint8_t event)
 {
     switch (event) {
@@ -165,6 +168,7 @@ static void usbd_event_handler(uint8_t busid, uint8_t event)
         case USBD_EVENT_SUSPEND:
             break;
         case USBD_EVENT_CONFIGURED:
+            usbd_ep_start_read(busid, MIDI_OUT_EP, read_buffer, MIDI_EP_MPS);
             break;
         case USBD_EVENT_SET_REMOTE_WAKEUP:
             break;
@@ -178,6 +182,7 @@ static void usbd_event_handler(uint8_t busid, uint8_t event)
 
 void usbd_midi_bulk_out(uint8_t busid, uint8_t ep, uint32_t nbytes)
 {
+    usbd_ep_start_read(busid, MIDI_OUT_EP, read_buffer, MIDI_EP_MPS);
 }
 
 void usbd_midi_bulk_in(uint8_t busid, uint8_t ep, uint32_t nbytes)
-- 
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