stmhal/usb: Add support to receive USB HID messages from host.

1 files changed, 9 insertions, 1 deletions

diff --git a/stmhal/usbdev/class/inc/usbd_cdc_msc_hid.h b/stmhal/usbdev/class/inc/usbd_cdc_msc_hid.h
index 248ce17f3..76a767892 100644
--- a/stmhal/usbdev/class/inc/usbd_cdc_msc_hid.h
+++ b/stmhal/usbdev/class/inc/usbd_cdc_msc_hid.h
@@ -6,9 +6,10 @@
 #include  "usbd_msc_scsi.h"
 #include  "usbd_ioreq.h"
 
-// CDC and MSC packet sizes
+// CDC, MSC and HID packet sizes
 #define CDC_DATA_FS_MAX_PACKET_SIZE (64) // endpoint IN & OUT packet size
 #define MSC_MEDIA_PACKET            (2048) // was 8192; how low can it go whilst still working?
+#define HID_DATA_FS_MAX_PACKET_SIZE (64) // endpoint IN & OUT packet size
 
 // Need to define here for BOT and SCSI layers
 #define MSC_IN_EP     (0x81)
@@ -46,6 +47,10 @@ typedef struct {
   __IO uint32_t RxState;    
 } USBD_CDC_HandleTypeDef;
 
+typedef struct _USBD_HID_Itf {
+  int8_t (* Receive)(uint8_t *, uint32_t);
+} USBD_HID_ItfTypeDef;
+
 typedef struct _USBD_STORAGE {
   int8_t (* Init) (uint8_t lun);
   int8_t (* GetCapacity) (uint8_t lun, uint32_t *block_num, uint16_t *block_size);
@@ -105,6 +110,9 @@ uint8_t USBD_CDC_TransmitPacket  (USBD_HandleTypeDef *pdev);
 
 uint8_t USBD_MSC_RegisterStorage(USBD_HandleTypeDef *pdev, USBD_StorageTypeDef *fops);
 
+uint8_t USBD_HID_RegisterInterface(USBD_HandleTypeDef *pdev, USBD_HID_ItfTypeDef *fops);
+uint8_t USBD_HID_SetRxBuffer(USBD_HandleTypeDef *pdev, uint8_t *pbuff);
+uint8_t USBD_HID_ReceivePacket(USBD_HandleTypeDef *pdev);
 int USBD_HID_CanSendReport(USBD_HandleTypeDef *pdev);
 uint8_t USBD_HID_SendReport(USBD_HandleTypeDef *pdev, uint8_t *report, uint16_t len);