edid.c File Reference

EDID control module source. More...

#include "edid.h"
#include <stdlib.h>

Include dependency graph for edid.c:

Functions
uint8_t	ADIAPI_mw_edid_parse (uint8_t *edid_ptr, uint16_t *spa_offset, uint8_t seg_num)
uint8_t	ADIAPI_mw_edid_parse_silent (uint8_t *edid_ptr, uint16_t *spa_offset, uint8_t seg_num)
void	ADIAPI_mw_edid_get_info (struct edid_info *info_ptr)
void	ADIAPI_mw_edid_get_audio_info (struct edid_audio_info *audio_info_ptr)
void	ADIAPI_mw_edid_enable_debug_msg (bool enable)

Detailed Description

EDID control module source.

Author

Andrei Drimbarean (andre.nosp@m.i.dr.nosp@m.imbar.nosp@m.ean@.nosp@m.analo.nosp@m.g.co.nosp@m.m)

Copyright 2019(c) Analog Devices, Inc.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
3. Neither the name of Analog Devices, Inc. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES, INC. “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANALOG DEVICES, INC. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Function Documentation

ADIAPI_mw_edid_enable_debug_msg()

void ADIAPI_mw_edid_enable_debug_msg

(

bool

enable

)

Enable or disable EDID verbose output.

Useful for debugging and getting information about the sink.

Parameters

[in]

enable

- True to enable sending EDID information to the serial connection, false to disable it.

Returns

void

ADIAPI_mw_edid_get_audio_info()

void ADIAPI_mw_edid_get_audio_info

(

struct edid_audio_info *

audio_info_ptr

)

Get the audio information about the last parsed EDID.

Parameters

[out]

audio_info_ptr

- Pointer to the EDID structure where to copy the information.

Returns

void

ADIAPI_mw_edid_get_info()

void ADIAPI_mw_edid_get_info

(

struct edid_info *

info_ptr

)

Get the information about the last parsed EDID.

Parameters

[out]

info_ptr

- Pointer to the EDID structure where to copy the information.

Returns

void

ADIAPI_mw_edid_parse()

uint8_t ADIAPI_mw_edid_parse	(	uint8_t *	edid_ptr,
		uint16_t *	spa_offset,
		uint8_t	seg_num
	)

Parse and display the EDID message received.

Parameters

[in]	edid_ptr	- Pointer to the EDID message.
[out]	spa_offset	- Pointer to the SPA offset or 0
[in]	seg_num	- EDID segment number.

Returns

number of total additional segments, 0 if none or if checksum error in segment 0

ADIAPI_mw_edid_parse_silent()

uint8_t ADIAPI_mw_edid_parse_silent	(	uint8_t *	edid_ptr,
		uint16_t *	spa_offset,
		uint8_t	seg_num
	)

Parse the EDID message received without displaying to the terminal.

Parameters

[in]	edid_ptr	- Pointer to the EDID message.
[out]	spa_offset	- Pointer to the SPA offset or 0
[in]	seg_num	- EDID segment number.

Returns

number of total additional segments, 0 if none or if checksum error in segment 0