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/**********************************************************************
*
* HDFF firmware command interface library
*
* Copyright (C) 2011 Andreas Regel
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*********************************************************************/
#include <stdint.h>
#include <string.h>
#include <sys/ioctl.h>
#include "hdffcmd.h"
#include "hdffcmd_base.h"
#include "hdffcmd_defs.h"
int HdffCmdHdmiSetVideoMode(int OsdDevice, HdffVideoMode_t VideoMode)
{
uint8_t cmdData[8];
BitBuffer_t cmdBuf;
osd_raw_cmd_t osd_cmd;
BitBuffer_Init(&cmdBuf, cmdData, sizeof(cmdData));
memset(&osd_cmd, 0, sizeof(osd_raw_cmd_t));
osd_cmd.cmd_data = cmdData;
HdffCmdBuildHeader(&cmdBuf, HDFF_MSG_TYPE_COMMAND, HDFF_MSG_GROUP_HDMI,
HDFF_MSG_HDMI_SET_VIDEO_MODE);
BitBuffer_SetBits(&cmdBuf, 8, VideoMode);
osd_cmd.cmd_len = HdffCmdSetLength(&cmdBuf);
return ioctl(OsdDevice, OSD_RAW_CMD, &osd_cmd);
}
int HdffCmdHdmiConfigure(int OsdDevice, const HdffHdmiConfig_t * Config)
{
uint8_t cmdData[24];
BitBuffer_t cmdBuf;
osd_raw_cmd_t osd_cmd;
size_t nameLen;
int i;
BitBuffer_Init(&cmdBuf, cmdData, sizeof(cmdData));
memset(&osd_cmd, 0, sizeof(osd_raw_cmd_t));
osd_cmd.cmd_data = cmdData;
HdffCmdBuildHeader(&cmdBuf, HDFF_MSG_TYPE_COMMAND, HDFF_MSG_GROUP_HDMI,
HDFF_MSG_HDMI_CONFIGURE);
BitBuffer_SetBits(&cmdBuf, 1, Config->TransmitAudio ? 1 : 0);
BitBuffer_SetBits(&cmdBuf, 1, Config->ForceDviMode ? 1 : 0);
BitBuffer_SetBits(&cmdBuf, 1, Config->CecEnabled ? 1 : 0);
BitBuffer_SetBits(&cmdBuf, 3, Config->VideoModeAdaption);
BitBuffer_SetBits(&cmdBuf, 6, 0); // reserved
nameLen = strlen(Config->CecDeviceName);
if (nameLen > 13)
nameLen = 13;
BitBuffer_SetBits(&cmdBuf, 4, nameLen);
for (i = 0; i < nameLen; i++)
BitBuffer_SetBits(&cmdBuf, 8, Config->CecDeviceName[i]);
osd_cmd.cmd_len = HdffCmdSetLength(&cmdBuf);
return ioctl(OsdDevice, OSD_RAW_CMD, &osd_cmd);
}
int HdffCmdHdmiSendCecCommand(int OsdDevice, HdffCecCommand_t Command)
{
uint8_t cmdData[8];
BitBuffer_t cmdBuf;
osd_raw_cmd_t osd_cmd;
BitBuffer_Init(&cmdBuf, cmdData, sizeof(cmdData));
memset(&osd_cmd, 0, sizeof(osd_raw_cmd_t));
osd_cmd.cmd_data = cmdData;
HdffCmdBuildHeader(&cmdBuf, HDFF_MSG_TYPE_COMMAND, HDFF_MSG_GROUP_HDMI,
HDFF_MSG_HDMI_SEND_CEC_COMMAND);
BitBuffer_SetBits(&cmdBuf, 8, Command);
osd_cmd.cmd_len = HdffCmdSetLength(&cmdBuf);
return ioctl(OsdDevice, OSD_RAW_CMD, &osd_cmd);
}
int HdffCmdHdmiSendRawCecCommand(int OsdDevice, uint8_t Destination,
uint8_t Opcode, const uint8_t * Operand,
uint8_t OperandLength)
{
uint8_t cmdData[24];
BitBuffer_t cmdBuf;
osd_raw_cmd_t osd_cmd;
int i;
if (OperandLength > 14)
OperandLength = 14;
BitBuffer_Init(&cmdBuf, cmdData, sizeof(cmdData));
memset(&osd_cmd, 0, sizeof(osd_raw_cmd_t));
osd_cmd.cmd_data = cmdData;
HdffCmdBuildHeader(&cmdBuf, HDFF_MSG_TYPE_COMMAND, HDFF_MSG_GROUP_HDMI,
HDFF_MSG_HDMI_SEND_RAW_CEC_COMMAND);
BitBuffer_SetBits(&cmdBuf, 4, 0); // reserved
BitBuffer_SetBits(&cmdBuf, 4, Destination);
BitBuffer_SetBits(&cmdBuf, 8, Opcode);
BitBuffer_SetBits(&cmdBuf, 8, OperandLength);
for (i = 0; i < OperandLength; i++)
BitBuffer_SetBits(&cmdBuf, 8, Operand[i]);
osd_cmd.cmd_len = HdffCmdSetLength(&cmdBuf);
return ioctl(OsdDevice, OSD_RAW_CMD, &osd_cmd);
}
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