udi_hid_kbd.c File Reference

USB Device Human Interface Device (HID) keyboard interface.

Copyright (c) 2009-2018 Microchip Technology Inc. and its subsidiaries.

#include "conf_usb.h"
#include "usb_protocol.h"
#include "udd.h"
#include "udc.h"
#include "udi_hid.h"
#include "udi_hid_kbd.h"
#include <string.h>

Functions
void	udi_hid_kbd_disable (void)
bool	udi_hid_kbd_down (uint8_t key_id)
	Send events key pressed. More...
bool	udi_hid_kbd_enable (void)
uint8_t	udi_hid_kbd_getsetting (void)
bool	udi_hid_kbd_modifier_down (uint8_t modifier_id)
	Send events key modifier pressed. More...
bool	udi_hid_kbd_modifier_up (uint8_t modifier_id)
	Send events key modifier released. More...
bool	udi_hid_kbd_setup (void)
bool	udi_hid_kbd_up (uint8_t key_id)
	Send events key released. More...
Internal routines
static bool	udi_hid_kbd_setreport (void)
	Changes keyboard report states (like LEDs) More...
static bool	udi_hid_kbd_send_report (void)
	Send the report. More...
static void	udi_hid_kbd_report_sent (udd_ep_status_t status, iram_size_t nb_sent, udd_ep_id_t ep)
	Callback called when the report is sent. More...
static void	udi_hid_kbd_setreport_valid (void)
	Callback called to update report from USB host udi_hid_kbd_report_set is updated before callback execution. More...

Variables
UDC_DESC_STORAGE udi_api_t	udi_api_hid_kbd
	Global structure which contains standard UDI interface for UDC. More...
UDC_DESC_STORAGE udi_hid_kbd_report_desc_t	udi_hid_kbd_report_desc
	HID report descriptor for standard HID keyboard. More...

Internal defines and variables to manage HID keyboard
#define	UDI_HID_KBD_REPORT_SIZE   8
	Size of report for standard HID keyboard. More...
static COMPILER_WORD_ALIGNED uint8_t	udi_hid_kbd_rate
	To store current rate of HID keyboard. More...
static COMPILER_WORD_ALIGNED uint8_t	udi_hid_kbd_protocol
	To store current protocol of HID keyboard. More...
static COMPILER_WORD_ALIGNED uint8_t	udi_hid_kbd_report_set
	To store report feedback from USB host. More...
static bool	udi_hid_kbd_b_report_valid
	To signal if a valid report is ready to send. More...
static uint8_t	udi_hid_kbd_report [UDI_HID_KBD_REPORT_SIZE]
	Report ready to send. More...
static bool	udi_hid_kbd_b_report_trans_ongoing
	Signal if a report transfer is on going. More...
static COMPILER_WORD_ALIGNED uint8_t	udi_hid_kbd_report_trans [UDI_HID_KBD_REPORT_SIZE]
	Buffer used to send report. More...