common/services/usb/class/vendor/device/example/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)
	Called by UDD when the USB line exit of 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)
	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...
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

)

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().

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

)

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_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.

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

Turn off all leds Callback running when USB Host set 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
	)

References ui_loop_back_state(), and UNUSED.

Referenced by main_vendor_iso_out_received().

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

References main_buf_iso_sel, main_buf_loopback, main_vendor_iso_in_received(), UDD_EP_TRANSFER_OK, udd_is_high_speed(), UDI_VENDOR_EPS_SIZE_ISO_FS, UDI_VENDOR_EPS_SIZE_ISO_HS, udi_vendor_iso_in_run(), udi_vendor_iso_out_run(), ui_loop_back_state(), and UNUSED.

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(), and main_vendor_iso_out_received().

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(), main_vendor_int_out_received(), and main_vendor_iso_out_received().