Atmel Software Framework

common/services/usb/class/cdc/device/example/main.c File Reference

CDC Application Main functions.

Copyright (c) 2011-2015 Atmel Corporation. All rights reserved.

#include <asf.h>
#include "conf_usb.h"
#include "ui.h"
#include "uart.h"

Functions

int main (void)
 Main function. Execution starts here. More...
 
void main_cdc_disable (uint8_t port)
 Closes the communication port This is called by CDC interface when USB Host disable it. More...
 
bool main_cdc_enable (uint8_t port)
 Opens the communication port This is called by CDC interface when USB Host enable it. More...
 
void main_cdc_set_dtr (uint8_t port, bool b_enable)
 Save new DTR state to change led behavior. The DTR notify that the terminal have open or close the communication port. More...
 
void main_resume_action (void)
 Called by UDD when the USB line exit of suspend state. More...
 
void main_sof_action (void)
 Called when a start of frame is received on USB line. More...
 
void main_suspend_action (void)
 Enters the application in low power mode Callback called when USB host sets USB line in suspend state. More...
 

Variables

static volatile bool main_b_cdc_enable = false
 

int main ( void  )
void main_cdc_disable ( uint8_t  port)

Closes the communication port This is called by CDC interface when USB Host disable it.

References main_b_cdc_enable, and uart_close().

bool main_cdc_enable ( uint8_t  port)

Opens the communication port This is called by CDC interface when USB Host enable it.

Return values
trueif cdc startup is successfully done

References main_b_cdc_enable, and uart_open().

void main_cdc_set_dtr ( uint8_t  port,
bool  b_enable 
)

Save new DTR state to change led behavior. The DTR notify that the terminal have open or close the communication port.

References ui_com_close(), and ui_com_open().

void main_resume_action ( void  )

Called by UDD when the USB line exit of suspend state.

Turn on a led to notify active mode Called when the USB line is resumed from the suspend state.

References ui_wakeup().

void main_sof_action ( void  )

Called when a start of frame is received on USB line.

Manages the leds behaviors Called when a start of frame is received on USB line each 1ms.

References main_b_cdc_enable, udd_get_frame_number(), and ui_process().

void main_suspend_action ( void  )

Enters the application in low power mode Callback called when USB host sets USB line in suspend state.

References ui_powerdown().

volatile bool main_b_cdc_enable = false
static