main.c File Reference

Main functions for USB Device vendor example.

Copyright (c) 2011-2018 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_resume_action (void)
	Turn on a led to notify active mode Called when the USB line is resumed from the suspend state. More...
bool	main_setup_in_received (void)
	Manage the reception of setup request IN. More...
bool	main_setup_out_received (void)
	Manage the reception of setup request OUT. More...
void	main_sof_action (void)
	Manages the leds behaviors Called when a start of frame is received on USB line each 1ms. 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...
void	main_vendor_bulk_in_received (udd_ep_status_t status, iram_size_t nb_transfered, udd_ep_id_t ep)
void	main_vendor_bulk_out_received (udd_ep_status_t status, iram_size_t nb_transfered, udd_ep_id_t ep)
void	main_vendor_disable (void)
	Notify via user interface that enumeration is disabled This is called by vendor interface when USB Host disable it. More...
bool	main_vendor_enable (void)
	Notify via user interface that enumeration is ok This is called by vendor interface when USB Host enable it. More...
void	main_vendor_int_in_received (udd_ep_status_t status, iram_size_t nb_transfered, udd_ep_id_t ep)
void	main_vendor_int_out_received (udd_ep_status_t status, iram_size_t nb_transfered, udd_ep_id_t ep)
void	main_vendor_iso_in_received (udd_ep_status_t status, iram_size_t nb_transfered, udd_ep_id_t ep)
void	main_vendor_iso_out_received (udd_ep_status_t status, iram_size_t nb_transfered, udd_ep_id_t ep)

Variables
static volatile bool	main_b_vendor_enable = false

Buffer for loopback
#define	MAIN_LOOPBACK_SIZE   1024
	Size of buffer used for the loopback. More...
static COMPILER_WORD_ALIGNED uint8_t	main_buf_loopback [MAIN_LOOPBACK_SIZE]
static uint8_t	main_buf_iso_sel

#define MAIN_LOOPBACK_SIZE   1024

Size of buffer used for the loopback.

int main

(

void

)

Main function. Execution starts here.

References board_init(), cpu_irq_enable, irq_initialize_vectors, sleepmgr_enter_sleep(), sleepmgr_init(), sysclk_init(), udc_start(), and ui_init().

void main_resume_action

(

void

)

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

References ui_wakeup().

bool main_setup_in_received

(

void

)

Manage the reception of setup request IN.

Return values

true	if request accepted

References main_buf_loopback, min, udd_ctrl_request_t::payload, udd_ctrl_request_t::payload_size, udd_ctrl_request_t::req, udd_g_ctrlreq, ui_loop_back_state(), and usb_setup_req_t::wLength.

bool main_setup_out_received

(

void

)

Manage the reception of setup request OUT.

Return values

true	if request accepted

References main_buf_loopback, min, udd_ctrl_request_t::payload, udd_ctrl_request_t::payload_size, udd_ctrl_request_t::req, udd_g_ctrlreq, ui_loop_back_state(), and usb_setup_req_t::wLength.

void main_sof_action

(

void

)

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

References main_b_vendor_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().

void main_vendor_bulk_in_received	(	udd_ep_status_t	status,
		iram_size_t	nb_transfered,
		udd_ep_id_t	ep
	)

References main_buf_loopback, main_vendor_bulk_out_received(), UDD_EP_TRANSFER_OK, udi_vendor_bulk_out_run(), ui_loop_back_state(), and UNUSED.

Referenced by main_vendor_bulk_out_received(), and main_vendor_enable().

void main_vendor_bulk_out_received	(	udd_ep_status_t	status,
		iram_size_t	nb_transfered,
		udd_ep_id_t	ep
	)

References main_buf_loopback, main_vendor_bulk_in_received(), UDD_EP_TRANSFER_OK, udi_vendor_bulk_in_run(), ui_loop_back_state(), and UNUSED.

Referenced by main_vendor_bulk_in_received().

void main_vendor_disable

(

void

)

Notify via user interface that enumeration is disabled This is called by vendor interface when USB Host disable it.

References main_b_vendor_enable.

bool main_vendor_enable

(

void

)

Notify via user interface that enumeration is ok This is called by vendor interface when USB Host enable it.

Return values

true	if vendor startup is successfully done

References main_b_vendor_enable, main_buf_iso_sel, main_vendor_bulk_in_received(), main_vendor_int_in_received(), main_vendor_iso_out_received(), and UDD_EP_TRANSFER_OK.

void main_vendor_int_in_received	(	udd_ep_status_t	status,
		iram_size_t	nb_transfered,
		udd_ep_id_t	ep
	)

References main_buf_loopback, main_vendor_int_out_received(), UDD_EP_TRANSFER_OK, udi_vendor_interrupt_out_run(), ui_loop_back_state(), and UNUSED.

Referenced by main_vendor_enable(), and main_vendor_int_out_received().

void main_vendor_int_out_received	(	udd_ep_status_t	status,
		iram_size_t	nb_transfered,
		udd_ep_id_t	ep
	)

References main_buf_loopback, main_vendor_int_in_received(), UDD_EP_TRANSFER_OK, udi_vendor_interrupt_in_run(), ui_loop_back_state(), and UNUSED.

Referenced by main_vendor_int_in_received().

void main_vendor_iso_in_received	(	udd_ep_status_t	status,
		iram_size_t	nb_transfered,
		udd_ep_id_t	ep
	)

void main_vendor_iso_out_received	(	udd_ep_status_t	status,
		iram_size_t	nb_transfered,
		udd_ep_id_t	ep
	)

Referenced by main_vendor_enable().

volatile bool main_b_vendor_enable = false

static

Referenced by main_sof_action(), main_vendor_disable(), and main_vendor_enable().

uint8_t main_buf_iso_sel

static

Referenced by main_vendor_enable().

COMPILER_WORD_ALIGNED uint8_t main_buf_loopback[MAIN_LOOPBACK_SIZE]

static

Referenced by main_setup_in_received(), main_setup_out_received(), main_vendor_bulk_in_received(), main_vendor_bulk_out_received(), main_vendor_int_in_received(), and main_vendor_int_out_received().