Main functions for USB host vendor example.

#include <asf.h>
#include "conf_usb_host.h"
#include "ui.h"
#include "main.h"
#include <string.h>

Macros
#define	MAIN_VENDOR_ISO_SIZE_1 (MAIN_VENDOR_LOOPBACK_SIZE/2)

#define	MAIN_VENDOR_ISO_SIZE_2 ((MAIN_VENDOR_LOOPBACK_SIZE-MAIN_VENDOR_ISO_SIZE_1)/4)

#define	MAIN_VENDOR_LOOPBACK_SIZE (1024)

#define	NB_TESTS (sizeof(loop_back_tests) / sizeof(loop_back_tests[0]))
	Number of tests available. More...

Functions
int	main (void)
	Main function. Execution starts here. More...

static int	main_cmp_buffers (void)
	Compare output buffer with input buffer. More...

static bool	main_control_is_available (void)
	Check if control test is available (control EP exist) More...

static void	main_control_transfer_done (usb_add_t add, uhd_trans_status_t status, uint16_t payload_trans)
	End of setup callback. More...

static void	main_init_buffers (void)
	Initialize test buffers. More...

static void	main_iso_in_done (usb_add_t add, usb_ep_t ep, uhd_trans_status_t status, iram_size_t nb_transfered)
	End of ISO IN transfer callback. More...

static void	main_iso_out_done (usb_add_t add, usb_ep_t ep, uhd_trans_status_t status, iram_size_t nb_transfered)
	End of ISO OUT transfer callback. More...

static bool	main_loop_back_bulk (void)
	Perform loop back test on control endpoint. More...

static bool	main_loop_back_control (void)
	Perform loop back test on control endpoint. More...

static bool	main_loop_back_int (void)
	Perform loop back test on interrupt endpoint. More...

static bool	main_loop_back_iso (void)
	Perform loop back test on ISO endpoint. More...

static void	main_transfer_done (usb_add_t add, usb_ep_t ep, uhd_trans_status_t status, iram_size_t nb_transfered)
	End of transfer callback. More...

void	main_usb_sof_event (void)
	Notify that a SOF has been sent (each 1 ms) More...

void	main_usb_vendor_change (uhc_device_t *dev, bool b_present)
	Notify that a USB device vendor has been connected or disconnected. More...

Variables
static bool(*	loop_back_tests [])(void)
	The test function entries. More...

static bool(*	loop_back_tests_is_available [])(void)
	If the test is available (the endpoint is found on attached device) More...

static volatile bool	main_b_control_busy
	The control transfer is in progress. More...

static volatile bool	main_b_in_busy
	The (bulk/interrupt/iso) IN transfer is in progress. More...

static volatile bool	main_b_out_busy
	The (bulk/interrupt/iso) OUT transfer is in progress. More...

static volatile bool	main_b_usb_start_test = false
	Indicate that the test can be started. More...

static volatile uhd_trans_status_t	main_transfer_status
	The transfer status. More...

static COMPILER_WORD_ALIGNED uint8_t	main_vendor_buf_in [MAIN_VENDOR_LOOPBACK_SIZE]
	Input buffer for vendor class test. More...

static COMPILER_WORD_ALIGNED uint8_t	main_vendor_buf_out [MAIN_VENDOR_LOOPBACK_SIZE]
	Output buffer for vendor class test. More...

static volatile uint32_t	main_vendor_iso_in_index
	Index for ISO IN data transfer. More...

static volatile uint32_t	main_vendor_iso_out_index
	Index for ISO OUT data transfer. More...

#define MAIN_VENDOR_ISO_SIZE_1 (MAIN_VENDOR_LOOPBACK_SIZE/2)

Referenced by main_loop_back_iso().

#define MAIN_VENDOR_ISO_SIZE_2 ((MAIN_VENDOR_LOOPBACK_SIZE-MAIN_VENDOR_ISO_SIZE_1)/4)

Referenced by main_iso_out_done().

#define MAIN_VENDOR_LOOPBACK_SIZE (1024)

Referenced by main_cmp_buffers(), main_init_buffers(), main_iso_in_done(), main_iso_out_done(), main_loop_back_bulk(), main_loop_back_control(), main_loop_back_int(), and main_loop_back_iso().

#define NB_TESTS (sizeof(loop_back_tests) / sizeof(loop_back_tests[0]))

Number of tests available.

Referenced by main().

int main ( void )

Main function. Execution starts here.

References board_init(), cpu_irq_enable(), irq_initialize_vectors, loop_back_tests, loop_back_tests_is_available, main_b_usb_start_test, main_cmp_buffers(), main_init_buffers(), NB_TESTS, sleepmgr_enter_sleep(), sleepmgr_init(), system_init(), uhc_start(), ui_init(), and ui_test_finish().

static int main_cmp_buffers ( void )

static

Compare output buffer with input buffer.

Returns: 0 if buffer is equal, else -1

References main_vendor_buf_in, main_vendor_buf_out, and MAIN_VENDOR_LOOPBACK_SIZE.

Referenced by main().

static bool main_control_is_available ( void )

static

Check if control test is available (control EP exist)

Returns: always true

static void main_control_transfer_done	(	usb_add_t	add,
		uhd_trans_status_t	status,
		uint16_t	payload_trans
	)

static

End of setup callback.

Parameters

add	USB address of the setup request
status	Transfer status
payload_trans	Number of data transfered during DATA phase

References main_b_control_busy, main_transfer_status, and UNUSED.

Referenced by main_loop_back_control().

static void main_init_buffers ( void )

static

Initialize test buffers.

References i, main_vendor_buf_in, main_vendor_buf_out, and MAIN_VENDOR_LOOPBACK_SIZE.

Referenced by main().

static void main_iso_in_done	(	usb_add_t	add,
		usb_ep_t	ep,
		uhd_trans_status_t	status,
		iram_size_t	nb_transfered
	)

static

End of ISO IN transfer callback.

Parameters

add	USB address used by the transfer
ep	Endpoint address used by the transfer
status	Transfer status
nb_transfered	Number of data transfered

References main_b_in_busy, main_transfer_status, main_vendor_buf_in, main_vendor_iso_in_index, MAIN_VENDOR_LOOPBACK_SIZE, uhi_vendor_iso_in_run(), and UNUSED.

Referenced by main_loop_back_iso().

static void main_iso_out_done	(	usb_add_t	add,
		usb_ep_t	ep,
		uhd_trans_status_t	status,
		iram_size_t	nb_transfered
	)

static

End of ISO OUT transfer callback.

Parameters

add	USB address used by the transfer
ep	Endpoint address used by the transfer
status	Transfer status
nb_transfered	Number of data transfered

References main_b_out_busy, main_transfer_status, main_vendor_buf_out, main_vendor_iso_out_index, MAIN_VENDOR_ISO_SIZE_2, MAIN_VENDOR_LOOPBACK_SIZE, uhi_vendor_iso_out_run(), and UNUSED.

Referenced by main_loop_back_iso().

static bool main_loop_back_bulk ( void )

static

Perform loop back test on control endpoint.

References main_b_in_busy, main_b_out_busy, main_transfer_done(), main_transfer_status, main_vendor_buf_in, main_vendor_buf_out, MAIN_VENDOR_LOOPBACK_SIZE, UHD_TRANS_NOERROR, uhi_vendor_bulk_in_run(), and uhi_vendor_bulk_out_run().

static bool main_loop_back_control ( void )

static

Perform loop back test on control endpoint.

Returns: 1 if test passed, 0 if test failed

References main_b_control_busy, main_control_transfer_done(), main_transfer_status, main_vendor_buf_in, main_vendor_buf_out, MAIN_VENDOR_LOOPBACK_SIZE, UHD_TRANS_NOERROR, uhi_vendor_control_in_run(), and uhi_vendor_control_out_run().

static bool main_loop_back_int ( void )

static

Perform loop back test on interrupt endpoint.

Returns: 1 if test passed, 0 if test failed

References main_b_in_busy, main_b_out_busy, main_transfer_done(), main_transfer_status, main_vendor_buf_in, main_vendor_buf_out, MAIN_VENDOR_LOOPBACK_SIZE, UHD_TRANS_NOERROR, uhi_vendor_int_in_run(), and uhi_vendor_int_out_run().

static bool main_loop_back_iso ( void )

static

Perform loop back test on ISO endpoint.

Returns: 1 if test passed, 0 if test failed

References main_b_in_busy, main_b_out_busy, main_iso_in_done(), main_iso_out_done(), main_transfer_status, main_vendor_buf_in, main_vendor_buf_out, main_vendor_iso_in_index, main_vendor_iso_out_index, MAIN_VENDOR_ISO_SIZE_1, MAIN_VENDOR_LOOPBACK_SIZE, UHD_TRANS_NOERROR, uhi_vendor_iso_in_run(), and uhi_vendor_iso_out_run().

static void main_transfer_done	(	usb_add_t	add,
		usb_ep_t	ep,
		uhd_trans_status_t	status,
		iram_size_t	nb_transfered
	)

static

End of transfer callback.

Parameters

add	USB address used by the transfer
ep	Endpoint address used by the transfer
status	Transfer status
nb_transfered	Number of data transfered

References main_b_in_busy, main_b_out_busy, main_transfer_status, UNUSED, and USB_EP_DIR_IN.

Referenced by main_loop_back_bulk(), and main_loop_back_int().

void main_usb_sof_event ( void )

Notify that a SOF has been sent (each 1 ms)

References main_usb_sof_counter, and ui_usb_sof_event().

void main_usb_vendor_change	(	uhc_device_t *	dev,
		bool	b_present
	)

Notify that a USB device vendor has been connected or disconnected.

Parameters

dev	Pointer on USB device information
b_present	true, if the device has been connected

References main_b_usb_start_test, and UNUSED.

bool(* loop_back_tests[])(void)

static

Initial value:

= {
    main_loop_back_control,
    main_loop_back_bulk,
    main_loop_back_int,
    main_loop_back_iso,
}

The test function entries.

Referenced by main().

bool(* loop_back_tests_is_available[])(void)

static

Initial value:

= {
    main_control_is_available,
    uhi_vendor_bulk_is_available,
    uhi_vendor_int_is_available,
    uhi_vendor_iso_is_available,
}

If the test is available (the endpoint is found on attached device)

Referenced by main().

volatile bool main_b_control_busy

static

The control transfer is in progress.

Referenced by main_control_transfer_done(), and main_loop_back_control().

volatile bool main_b_in_busy

static

The (bulk/interrupt/iso) IN transfer is in progress.

Referenced by main_iso_in_done(), main_loop_back_bulk(), main_loop_back_int(), main_loop_back_iso(), and main_transfer_done().

volatile bool main_b_out_busy

static

The (bulk/interrupt/iso) OUT transfer is in progress.

Referenced by main_iso_out_done(), main_loop_back_bulk(), main_loop_back_int(), main_loop_back_iso(), and main_transfer_done().

volatile bool main_b_usb_start_test = false

static

Indicate that the test can be started.

Referenced by main(), and main_usb_vendor_change().

volatile uhd_trans_status_t main_transfer_status

static

The transfer status.

Referenced by main_control_transfer_done(), main_iso_in_done(), main_iso_out_done(), main_loop_back_bulk(), main_loop_back_control(), main_loop_back_int(), main_loop_back_iso(), and main_transfer_done().

COMPILER_WORD_ALIGNED uint8_t main_vendor_buf_in[MAIN_VENDOR_LOOPBACK_SIZE]

static

Input buffer for vendor class test.

Referenced by main_cmp_buffers(), main_init_buffers(), main_iso_in_done(), main_loop_back_bulk(), main_loop_back_control(), main_loop_back_int(), and main_loop_back_iso().

COMPILER_WORD_ALIGNED uint8_t main_vendor_buf_out[MAIN_VENDOR_LOOPBACK_SIZE]

static

Output buffer for vendor class test.

Referenced by main_cmp_buffers(), main_init_buffers(), main_iso_out_done(), main_loop_back_bulk(), main_loop_back_control(), main_loop_back_int(), and main_loop_back_iso().

volatile uint32_t main_vendor_iso_in_index

static

Index for ISO IN data transfer.

Referenced by main_iso_in_done(), and main_loop_back_iso().

volatile uint32_t main_vendor_iso_out_index

static

Index for ISO OUT data transfer.

Referenced by main_iso_out_done(), and main_loop_back_iso().

Microchip® Advanced Software Framework

Macros

Functions

Variables