support hid generic inout #58

- add report descriptor template TUD_HID_REPORT_DESC_GENERIC_INOUT
- add TUD_HID_INOUT_DESCRIPTOR & TUD_HID_INOUT_DESC_LEN
- add hid_generic_inout example

1 files changed, 18 insertions, 2 deletions

diff --git a/src/device/usbd.h b/src/device/usbd.h
index de59731a2..8debbf535 100644
--- a/src/device/usbd.h
+++ b/src/device/usbd.h
@@ -107,7 +107,7 @@ ATTR_WEAK void tud_resume_cb(void);
 #define TUD_CDC_DESC_LEN  (8+9+5+5+4+5+7+9+7+7)

 

 // CDC Descriptor Template

-// interface number, string index, EP notification address and size, EP data address (out,in) and size.

+// Interface number, string index, EP notification address and size, EP data address (out, in) and size.

 #define TUD_CDC_DESCRIPTOR(_itfnum, _stridx, _ep_notif, _ep_notif_size, _epout, _epin, _epsize) \

   /* Interface Associate */\

   8, TUSB_DESC_INTERFACE_ASSOCIATION, _itfnum, 2, TUSB_CLASS_CDC, CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL, CDC_COMM_PROTOCOL_ATCOMMAND, 0,\

@@ -149,15 +149,31 @@ ATTR_WEAK void tud_resume_cb(void);
 // Length of template descriptor: 25 bytes

 #define TUD_HID_DESC_LEN    (9 + 9 + 7)

 

+// HID Input only descriptor

 // Interface number, string index, protocol, report descriptor len, EP In address, size & polling interval

 #define TUD_HID_DESCRIPTOR(_itfnum, _stridx, _boot_protocol, _report_desc_len, _epin, _epsize, _ep_interval) \

   /* Interface */\

   9, TUSB_DESC_INTERFACE, _itfnum, 0, 1, TUSB_CLASS_HID, (_boot_protocol) ? HID_SUBCLASS_BOOT : 0, _boot_protocol, _stridx,\

   /* HID descriptor */\

   9, HID_DESC_TYPE_HID, U16_TO_U8S_LE(0x0111), 0, 1, HID_DESC_TYPE_REPORT, U16_TO_U8S_LE(_report_desc_len),\

-  /* Endpoint descriptor */\

+  /* Endpoint In */\

   7, TUSB_DESC_ENDPOINT, _epin, TUSB_XFER_INTERRUPT, U16_TO_U8S_LE(_epsize), _ep_interval

 

+// Length of template descriptor: 32 bytes

+#define TUD_HID_INOUT_DESC_LEN    (9 + 9 + 7 + 7)

+

+// HID Input & Output descriptor

+// Interface number, string index, protocol, report descriptor len, EP In & Out address, size & polling interval

+#define TUD_HID_INOUT_DESCRIPTOR(_itfnum, _stridx, _boot_protocol, _report_desc_len, _epin, _epout, _epsize, _ep_interval) \

+  /* Interface */\

+  9, TUSB_DESC_INTERFACE, _itfnum, 0, 2, TUSB_CLASS_HID, (_boot_protocol) ? HID_SUBCLASS_BOOT : 0, _boot_protocol, _stridx,\

+  /* HID descriptor */\

+  9, HID_DESC_TYPE_HID, U16_TO_U8S_LE(0x0111), 0, 1, HID_DESC_TYPE_REPORT, U16_TO_U8S_LE(_report_desc_len),\

+  /* Endpoint In */\

+  7, TUSB_DESC_ENDPOINT, _epin, TUSB_XFER_INTERRUPT, U16_TO_U8S_LE(_epsize), _ep_interval,\

+  /* Endpoint Out */\

+  7, TUSB_DESC_ENDPOINT, _epout, TUSB_XFER_INTERRUPT, U16_TO_U8S_LE(_epsize), _ep_interval

+

 #ifdef __cplusplus

  }

 #endif