main.c File Reference

#include "board.h"
#include "USBD.h"
#include "HIDDKeyboardDriver.h"
#include "USBD_LEDs.h"
#include <string.h>
#include <stdbool.h>
#include <stdint.h>

Go to the source code of this file.

Defines
#define	NO_PUSHBUTTON
#define	NUM_KEYS   2
#define	NUM_NORMAL_KEYS   1
#define	NUM_MODIFIER_KEYS   (NUM_KEYS - NUM_NORMAL_KEYS)
#define	LED_NUMLOCK   USBD_LEDOTHER
Functions
void	USBDCallbacks_RequestReceived (const USBGenericRequest *request)
void	USBDDriverCallbacks_ConfigurationChanged (uint8_t cfgnum)
void	HIDDKeyboardCallbacks_LedsChanged (uint8_t numLockStatus, uint8_t capsLockStatus, uint8_t scrollLockStatus)
int	main (void)
Variables
USBDDriverDescriptors	hiddKeyboardDriverDescriptors

---

Detailed Description

This file contains all the specific code for the usb_hid_keyboard

Contents

The code can be roughly broken down as follows:

• Configuration functions
  • VBus_Configure
  • ConfigurePit
  • ConfigureWakeUp
  • PIO & Timer configurations in start of main
• Interrupt handlers
  • ISR_Vbus
  • ISR_Pit
  • WakeUpHandler
• Callback functions
  • HIDDKeyboardCallbacks_LedsChanged
• The main function, which implements the program behavior

Definition in file main.c.

---

Define Documentation

#define LED_NUMLOCK   USBD_LEDOTHER

NumLock LED index.

Definition at line 144 of file main.c.

#define NUM_KEYS   2

Number of keys used in the example.

Definition at line 135 of file main.c.

#define NUM_MODIFIER_KEYS   (NUM_KEYS - NUM_NORMAL_KEYS)

Number of modifier keys.

Definition at line 141 of file main.c.

#define NUM_NORMAL_KEYS   1

Number of non-modifiers keys.

Definition at line 138 of file main.c.

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Function Documentation

void HIDDKeyboardCallbacks_LedsChanged	(	uint8_t	numLockStatus,
		uint8_t	capsLockStatus,
		uint8_t	scrollLockStatus
	)

Invoked when the status of the keyboard LEDs changes. Turns the num. lock LED on or off.

Parameters:

	numLockStatus	Indicates the current status of the num. lock key.
	capsLockStatus	Indicates the current status of the caps lock key.
	scrollLockStatus	Indicates the current status of the scroll lock key.

Definition at line 202 of file main.c.

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int main

(

void

)

Initializes the system and then monitors buttons, sending the corresponding character when one is pressed.

Definition at line 257 of file main.c.

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void USBDCallbacks_RequestReceived

(

const USBGenericRequest *

request

)

Invoked whenever a SETUP request is received from the host. Forwards the request to the standard handler.

Definition at line 180 of file main.c.

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void USBDDriverCallbacks_ConfigurationChanged

(

uint8_t

cfgnum

)

Invoked when the configuration of the device changes. Start reading output reports.

Parameters:

cfgnum

New configuration number.

Definition at line 190 of file main.c.

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