int main()
{
init_vb(); /* One-time init, including objects which are loaded once. */
main_loop(); /* Game processing. We should never return, but if we do... */
jump_to_reset(); /* Reset the console from the very beginning. */
return 0; /* Very bad things (TM) happen if we get here... */
}
bool UsbAudioControl(void)
{
uint16_t Msg = 0;
#ifndef FUNC_MIXER_SRC_EN
AudioSampleRateSet(44100);
#endif
#ifdef FUNC_USB_AUDIO_EN
if(gSys.CurModuleID == MODULE_ID_USB_AUDIO)
{
APP_DBG("Enter usb-audio\n");
}
#endif
#ifdef FUNC_USB_READER_EN
if(gSys.CurModuleID == MODULE_ID_USB_READER)
{
APP_DBG("Enter sd reader\n");
}
#endif
#ifdef FUNC_USB_AUDIO_READER_EN
if(gSys.CurModuleID == MODULE_ID_USB_AUDIO_READER)
{
APP_DBG("Enter usb-audio-reader\n");
}
#endif
if(!IsPcLink())
{
APP_DBG("device not ready!\n");
return FALSE;
}
TimeOutSet(&UsbAudioFreqAdjustTimer, 1000);
NVIC_EnableIRQ(USB_IRQn);
UsbSetCurrentPort(PC_PORT_NUM); // 选择USB端口
APP_DBG("IsPcLink() OK!\n");
#ifdef FUNC_USB_AUDIO_EN
if(gSys.CurModuleID == MODULE_ID_USB_AUDIO)
{
// 单独USB声卡模式，PC识别出USB声卡
APP_DBG("MODULE_ID_USB_AUDIO\n");
DeviceAudioSetMode(USB_DEVICE_AUDIO);
gDeviceVID = 0x0000;
gDevicePID = 0x0201;
gDeviceString_Manu = "MVSILICON"; //max length: 32bytes
gDeviceString_Product = "MV USB AUDIO"; //max length: 32bytes
gDeviceString_SerialNumber = "20130617A002"; //max length: 32bytes
}
#endif
#ifdef FUNC_USB_READER_EN
if(gSys.CurModuleID == MODULE_ID_USB_READER)
{
// 单独USB读卡器模式，PC识别出USB读卡器
APP_DBG("MODULE_ID_USB_READER\n");
DeviceAudioSetMode(USB_DEVICE_READER);
DeviceStorInit();
gDeviceVID = 0x0000;
gDevicePID = 0x1000;
gDeviceString_Manu = "MVSILICON"; // max length: 32bytes
gDeviceString_Product = "USB CARD READER"; // max length: 32bytes
gDeviceString_SerialNumber = "20130617B002"; // max length: 32bytes
}
#endif
#ifdef FUNC_USB_AUDIO_READER_EN
if(gSys.CurModuleID == MODULE_ID_USB_AUDIO_READER)
{
// 一线通模式，PC同时识别出USB声卡和USB读卡器
APP_DBG("MODULE_ID_USB_AUDIO_READER\n");
DeviceAudioSetMode(USB_DEVICE_AUDIO_READER);
DeviceStorInit();
gDeviceVID = 0x0000;
gDevicePID = 0x0201;
gDeviceString_Manu = "MVSILICON"; // max length: 32bytes
gDeviceString_Product = "MV USB AUDIO"; // max length: 32bytes
gDeviceString_SerialNumber = "20130617C002"; // max length: 32bytes
}
#endif
//USB读卡器模式下，设备管理器中显示的磁盘驱动器名称
gDeviceString_MassStor_Vendor = "MVSI"; // max length: 8bytes
gDeviceString_MassStor_Product = "USB CARD READER"; // max length: 16bytes
gDeviceString_MassStor_Ver = "V2.0"; // max length: 4bytes
//USB声卡模式下，回调函数指针初始化
gFpDeviceAudioMuteEn = DeviceAudioMuteEn; // PC端执行MUTE命令时，回调此函数
gFpDeviceAudioMuteDis = DeviceAudioMuteDis; // PC端执行UNMUTE命令时，回调此函数
gFpDeviceAudioSetVolume = DeviceAudioSetVolume; // PC端改变音量时，回调此函数
UsbDeviceEnableInt(DEVICE_CONTROL_EP, DeviceAudioOnCmd);
UsbDeviceEnableInt(DEVICE_BULK_OUT_EP, DeviceAudioOnCmd);
// CodecDacChannelSel(DAC_CH_DECD_L | DAC_CH_DECD_R); // select dac channel
UsbDeviceInit();
// NVIC_EnableIRQ(DECODER_IRQn);
AudioAnaSetChannel(gSys.MicEnable ? AUDIO_CH_MIC : AUDIO_CH_NONE);
MixerConfigFormat(MIXER_SOURCE_USB, USB_DAC_FREQ, MIXER_FORMAT_STERO);
mixer_pcm_format = MIXER_FORMAT_STERO;
MixerConfigVolume(MIXER_SOURCE_USB, 4000, 4000);
MixerUnmute(MIXER_SOURCE_USB);
MixerEnable(MIXER_SOURCE_USB);
AudioLeftVolume = (AUDIO_MAX_VOLUME*3)/4;
AudioRightVolume = (AUDIO_MAX_VOLUME*3)/4;
APP_DBG("AudioLeftVolume = %d\n", AudioLeftVolume);
#ifdef FUNC_AUDIO_DRC_EFFECT_EN
if(gSys.AudioDRCEffectFlag)
{
if(DRC_ERROR_OK != init_drc(&gSys.AudioDRCEffectHandle, MIXER_FORMAT_STERO, USB_DAC_FREQ, AUDIO_EFFECT_PARAM_DRC_THRESHHOLD,
0, AUDIO_EFFECT_PARAM_DRC_RATIO, AUDIO_EFFECT_PARAM_DRC_ATTACK_TIME,
AUDIO_EFFECT_PARAM_DRC_RELEASE_TIME, AUDIO_EFFECT_PARAM_DRC_CROSSOVER_FREQ))
{
APP_DBG("Init DRC Effect fail,close\n");
gDRCEffectInited = FALSE;
}
else
{
gDRCEffectInited = TRUE;
}
}
#endif
#ifdef FUNC_AUDIO_3D_EFFECT_EN
if(gSys.Audio3dEffectFlag)
{
if(THREE_D_ERROR_OK != init_3d(&gSys.Audio3dEffectHandle, MIXER_FORMAT_STERO, USB_DAC_FREQ, AUDIO_EFFECT_PARAM_3D_BASS, AUDIO_EFFECT_PARAM_3D_MID_BOOST))
{
//gSys.Audio3dEffectFlag = 0;
APP_DBG("Init 3D Effect fail,close\n");
g3dEffectInited = FALSE;
}
else
{
g3dEffectInited = TRUE;
}
}
#endif
#ifdef FUNC_AUDIO_VB_EFFECT_EN
if(gSys.AudioVbEffectFlag)
{
if(VB_ERROR_OK != init_vb(&gSys.AudioVbEffectHandle, MIXER_FORMAT_STERO, USB_DAC_FREQ, AUDIO_EFFECT_PARAM_VB_CUTOFF_FREQ, AUDIO_EFFECT_PARAM_VB_LIMITER_EN))
{
gVbEffectInited = FALSE;
}
else
{
gVbEffectInited = TRUE;
}
}
#endif
SetModeSwitchState(MODE_SWITCH_STATE_DONE);
while(Msg != MSG_COMMON_CLOSE)
{
//UsbDeviceDisableInt(DEVICE_BULK_OUT_EP);
DeviceStorProcess();
//UsbDeviceEnableInt(DEVICE_BULK_OUT_EP, DeviceAudioOnCmd);
DeviceAudioProcess();
#if (!defined (OUTPUT_CHANNEL_CLASSD)) && (!defined (OUTPUT_CHANNEL_DAC_CLASSD)) //classd模式下，采用的clk mode = normal mode,禁止使用硬件微调
#ifndef FUNC_SOFT_ADJUST_EN
UsbAudioFreqAdjust();
#endif
#endif
Msg = MsgRecv(10);// 消息接收，无消息阻塞20ms，有消息立即返回
if(Msg == MSG_USB_DEVICE_INTERRUPT_CB)
{
UsbIntFlag = FALSE;
}
switch(Msg)
{
case MSG_POWER:
gSys.NextModuleID = MODULE_ID_STANDBY;
case MSG_MODE: // mode change,end of this mode
APP_DBG("CHANGE_MODE\n");
// mode change,end of this mode
Msg = MSG_COMMON_CLOSE;
break;
case MSG_PLAY_PAUSE:
APP_DBG("PLAY_PAUSE\n");
DeviceAudioSendPcCmd(PC_CMD_PLAY_PAUSE);
break;
case MSG_PRE:
APP_DBG("PRE\n");
DeviceAudioSendPcCmd(PC_CMD_PRE);
SoundRemind(SOUND_PREV_TRACK);
break;
case MSG_NEXT:
APP_DBG("NEXT\n");
DeviceAudioSendPcCmd(PC_CMD_NEXT);
SoundRemind(SOUND_NEXT_TRACK);
break;
case MSG_STOP:
APP_DBG("STOP\n");
DeviceAudioSendPcCmd(PC_CMD_STOP);
break;
case MSG_MUTE:
APP_DBG("MUTE\n");
DeviceAudioSendPcCmd(PC_CMD_MUTE);
break;
#ifdef FUNC_RECORD_EN
case MSG_REC: //录音
gSys.ModuleIDBackUp = gSys.CurModuleID;
gSys.NextModuleID = MODULE_ID_RECORDER;
gSys.RecordState = RECORD_STATE_REC;
gSys.RecordSource = RECORD_SOURCE_LINEIN;
Msg = MSG_COMMON_CLOSE;
break;
#endif
#ifdef FUNC_REC_PLAYBACK_EN
case MSG_REC_PLAYBACK:
EnterRecBackPlay(gSys.CurModuleID, IsUDiskLink() ? DEV_ID_USB : DEV_ID_SD, TRUE, 0, 0);
break;
#endif
default:
CommonMsgProccess(Msg);
break;
}
}
#ifdef FUNC_USB_AUDIO_EN
if(gSys.CurModuleID == MODULE_ID_USB_AUDIO)
{
APP_DBG("Leave usb-audio\n");
}
#endif
#ifdef FUNC_USB_READER_EN
if(gSys.CurModuleID == MODULE_ID_USB_READER)
{
APP_DBG("Leave sd reader\n");
}
#endif
#ifdef FUNC_USB_AUDIO_READER_EN
if(gSys.CurModuleID == MODULE_ID_USB_AUDIO_READER)
{
APP_DBG("Leave usb-audio-reader\n");
}
#endif
MixerMute(MIXER_SOURCE_USB);
MixerDisable(MIXER_SOURCE_USB);
UsbDeviceDisConnect(); // 退出前断开usb device，停止接收数据，以免与SD/U盘播放产生冲突
#ifdef FUNC_USB_EN
UsbSetCurrentPort(UDISK_PORT_NUM); // set usb host port
#endif
return TRUE;//OK
}
