98 lines
4.1 KiB
C
98 lines
4.1 KiB
C
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/**
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****************************************************************************************
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*
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* @file usbd_hid.h
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*
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* @brief Header file of USB HID function
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*
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****************************************************************************************
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*/
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#ifndef _USBD_HID_H_
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#define _USBD_HID_H_
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#include <stdint.h>
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#include "usb_hid.h"
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#if !defined(HID_INST_CNT)
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// MAX Count of HID Instances
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#define HID_INST_CNT (2)
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#endif
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/* Macro for template descriptor */
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#define HID_INTERFACE_INIT(intf_num, ep_cnt, subclass, proto, str_idx, desc_size) \
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/* Descriptor of interface */ \
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0x09, /* bLength: Interface Descriptor size */ \
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USB_DESC_TYPE_INTERFACE, /* bDescriptorType: Interface descriptor type */ \
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intf_num, /* bInterfaceNumber: Number of Interface */ \
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0x00, /* bAlternateSetting: Alternate setting */ \
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ep_cnt, /* bNumEndpoints */ \
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0x03, /* bInterfaceClass: HID */ \
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subclass, /* bInterfaceSubClass : 1=BOOT, 0=no boot */ \
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proto, /* nInterfaceProtocol : 0=none, 1=keyboard, 2=mouse */ \
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str_idx, /* iInterface: Index of string descriptor */ \
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/* Descriptor of HID Report */ \
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0x09, /* bLength: HID Descriptor size */ \
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HID_DESC_TYPE_HID, /* bDescriptorType: HID */ \
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0x11, /* bcdHID: HID Class Spec release number */ \
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0x01, \
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0x00, /* bCountryCode: Hardware target country */ \
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0x01, /* bNumDescriptors: Number of HID class descriptors */ \
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HID_DESC_TYPE_HID_REPORT, /* bDescriptorType */ \
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desc_size, /* wItemLength: Total length of Report descriptor */ \
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0x00 \
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#define HID_ENDPOINT_DESC(ep_addr, ep_mps, interval) \
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0x07, /* bLength: Endpoint Descriptor size */ \
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USB_DESC_TYPE_ENDPOINT, /* bDescriptorType: */ \
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ep_addr, /* bEndpointAddress: Endpoint Address (IN) */ \
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0x03, /* bmAttributes: Interrupt endpoint */ \
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ep_mps, /* wMaxPacketSize: 4 Byte max */ \
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0x00, \
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interval /* bInterval: Polling Interval */
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enum hid_state_type {
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HID_STATE_IDLE,
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HID_STATE_BUSY,
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};
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typedef struct hid_intf_tag {
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uint8_t intf_num;
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uint8_t ep_in;
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uint16_t desc_size;
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const uint8_t *report_desc;
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} hid_intf_t;
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#define HID_INTF_T(_intf_num, _ep_in, _desc) \
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{ .intf_num=_intf_num, .ep_in=_ep_in, \
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.desc_size=sizeof(_desc), .report_desc=_desc }
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typedef struct usbd_hid_tag {
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const hid_intf_t *hid_intf;
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union {
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struct {
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uint8_t hid_state;
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uint8_t report;
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uint8_t idle_state;
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uint8_t protocol;
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};
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uint32_t hid_info;
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};
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} usbd_hid_t;
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void usbd_hid_init(uint8_t idx, const hid_intf_t *intf);
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void usbd_hid_reset(void);
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void usbd_hid_leds(uint8_t state);
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uint8_t usbd_hid_send_report(uint8_t ep, uint8_t len, const uint8_t *data);
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void usbd_hid_ep_in_handler(uint8_t ep);
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uint8_t usbd_hid_class_handler(struct usb_setup_packet *setup, uint8_t **data, uint16_t *len);
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#endif // _USBD_HID_H_
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