fix the damn bug within 10 line of code in keyboard_app.c

demos/bsp/boards/board_ea4357.c

@@ -57,6 +57,9 @@ void board_init(void)
 
   // USB Host Power Enable
   // USB0
+  // channel B U20 GPIO26 active low (base board), P2_3 on LPC4357
+  scu_pinmux(0x2, 3, MD_PUP | MD_EZI, FUNC7);		// USB0 VBus function
+  
   // TODO USB1
 
 #if 0

demos/host/keyboard_app.c

@@ -86,6 +86,7 @@ void keyboard_app_task(void)
               printf("%c", keycode_to_ascii(keyboard_report.keycode[i]));
           }
           memclr_(&keyboard_report, sizeof(tusb_keyboard_report_t)); // TODO use callback to synchronize
+          tusbh_hid_keyboard_get_report(dev_addr, 0, (uint8_t*) &keyboard_report);
         break;
 
         case TUSB_INTERFACE_STATUS_BUSY: