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(), system_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.

References ui_powerdown().

volatile bool main_b_msc_enable = false

static

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