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

Main functions for MSC example.

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

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

Functions
int	main (void)
	Main function. Execution starts here. More...
void	main_msc_disable (void)
	Called by MSC interface Callback running when USB Host disable MSC interface. More...
bool	main_msc_enable (void)
	Called by MSC interface Callback running when USB Host enable MSC interface. 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_msc_enable = false

int main

(

void

)

Main function. Execution starts here.

References board_init(), cpu_irq_enable, irq_initialize_vectors, main_b_msc_enable, memories_initialization(), sleepmgr_enter_sleep(), sleepmgr_init(), sysclk_init(), udc_start(), udi_msc_process_trans(), ui_init(), and ui_powerdown().

void main_msc_disable

(

void

)

Called by MSC interface Callback running when USB Host disable MSC interface.

References main_b_msc_enable.

bool main_msc_enable

(

void

)

Called by MSC interface Callback running when USB Host enable MSC interface.

Return values

true	if MSC startup is ok

References main_b_msc_enable.

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_msc_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.

Turn off all leds Callback running when USB Host set USB line in suspend state.

Called by UDD when a suspend is received Callback running when USB Host set USB line in suspend state.

References ui_powerdown().

volatile bool main_b_msc_enable = false

static

Referenced by main(), main_msc_disable(), main_msc_enable(), and main_sof_action().