cdc.c File Reference

Application CDC Implementation.

Copyright (c) 2011-2018 Microchip Technology Inc. and its subsidiaries.

#include "nvm.h"
#include "keyboard.h"
#include "cdc.h"

Macros
#define	USER_SIGNATURE_USBID_POS   8
	USBID position in user signature row. More...
#define	USER_SIGNATURE_USBID_SIZE   12
	USBID size in user signature row. More...

Functions
keycode_t	cdc_getkey (void)
	Read character from CDC interface and translate to keycode. More...
static void	cdc_put_help (void)
void	cdc_set_dtr (bool enable)
	Called by CDC interface to open/close port communication. More...
void	cdc_start (void)
	Start up the needed parts for USB CDC. More...
	PROGMEM_DECLARE (char const, cdc_help[])

Variables
bool	cdc_opened = false
uint8_t	cdc_serial_number [USB_DEVICE_GET_SERIAL_NAME_LENGTH+1]
	Serial number to be passed to USB stack. More...

#define USER_SIGNATURE_USBID_POS   8

USBID position in user signature row.

Referenced by cdc_start().

#define USER_SIGNATURE_USBID_SIZE   12

USBID size in user signature row.

Referenced by cdc_start().

keycode_t cdc_getkey

(

void

)

Read character from CDC interface and translate to keycode.

References cdc_opened, cdc_put_help(), KEYBOARD_DOWN, KEYBOARD_NO_KEY, KEYBOARD_UP, udi_cdc_getc(), and udi_cdc_is_rx_ready().

Referenced by keyboard_get_key_state().

static void cdc_put_help ( void  )

static

References PROGMEM_PTR_T, PROGMEM_READ_BYTE, and udi_cdc_putc().

Referenced by cdc_getkey().

void cdc_set_dtr

(

bool

enable

)

Called by CDC interface to open/close port communication.

Parameters

enable

Open if true, and close if false

References cdc_opened.

void cdc_start

(

void

)

Start up the needed parts for USB CDC.

References cdc_serial_number, nvm_read_user_signature_row(), udc_start(), USER_SIGNATURE_USBID_POS, and USER_SIGNATURE_USBID_SIZE.

Referenced by main().

PROGMEM_DECLARE	(	char	const,
		cdc_help	[]
	)

bool cdc_opened = false

Referenced by cdc_getkey(), and cdc_set_dtr().

uint8_t cdc_serial_number[USB_DEVICE_GET_SERIAL_NAME_LENGTH+1]

Serial number to be passed to USB stack.

Referenced by cdc_start().