//filters the ping from stereo in
void filtPingTsk() {
int32_t pingBuffer[48];
while (1) {
MBX_pend(&MBX_DmaFiltPing, pingBuffer, SYS_FOREVER);
firFilt(pingBuffer, &g_audioBuffer[PING_START]);
}
}
/* Reconfigures codec in response to USB message */
void CodecConfigTask(void)
{
CodecCfgMsgObj codecCfgMsg;
Int16 *pData;
while (1)
{
//TSK_settime(TSK_self()); // statistic collection
if (MBX_pend(&MBX_codecConfig, &codecCfgMsg, SYS_FOREVER))
{
switch (codecCfgMsg.wMsg)
{
case CODEC_CFG_MSG_ADJ_VOL_L:
pData = (Int16 *)codecCfgMsg.wData;
Adjust_Volume(*pData, 0);
break;
case CODEC_CFG_MSG_ADJ_VOL_R:
pData = (Int16 *)codecCfgMsg.wData;
Adjust_Volume(*pData, 1);
break;
case CODEC_CFG_MSG_ADJ_MUTE:
pData = (Int16 *)codecCfgMsg.wData;
if ((*pData & 0xff) == 0)
{
// un-mute
//STS_set(&mySts1, CLK_gethtime());
if(Set_Mute_State(FALSE) == FALSE)
{
LOG_printf(&trace, "FAILED MUTE CLEAR\n");
}
//STS_delta(&mySts1, CLK_gethtime());
//TSK_deltatime(TSK_self()); // statistic collection
break;
}
else if ((*pData & 0xff) == 1)
{
// mute
//STS_set(&mySts1, CLK_gethtime());
if(Set_Mute_State(TRUE) == FALSE)
{
LOG_printf(&trace, "FAILED MUTE SET\n");
}
//STS_delta(&mySts1, CLK_gethtime());
//TSK_deltatime(TSK_self()); // statistic collection
}
break;
default:
break;
}
}
}
}
/**
* \brief USB Msc task
*
* \param None
*
* \return None
*/
static void MSCTask(void)
{
CSL_UsbMscMsg wMSCMsg;
pUsbContext pContext = &gUsbContext;
volatile WORD Msg;
pUsbEpStatus peps;
//TSK_settime(TSK_self()); // statistic collection
while(TRUE)
{
/* wait for mailbox to be posted */
MBX_pend(&MBX_msc, &wMSCMsg, SYS_FOREVER);
Msg = wMSCMsg;
if(Msg == CSL_USB_MSG_MSC_TASK_EXIT)
break;
switch(Msg)
{
case CSL_USB_MSG_MSC_CTL:
peps = &pContext->pEpStatus[CSL_USB_EP0];
if(peps->hEventHandler)
(*peps->hEventHandler)();
break;
case CSL_USB_MSG_ISO_IN:
peps = &pContext->pEpStatus[CSL_USB_EP1];
if(peps->hEventHandler)
(*peps->hEventHandler)();
break;
case CSL_USB_MSG_ISO_OUT:
peps = &pContext->pEpStatus[CSL_USB_EP2];
if(peps->hEventHandler)
(*peps->hEventHandler)();
break;
case CSL_USB_MSG_HID_INT_IN:
peps = &pContext->pEpStatus[CSL_USB_EP3];
if(peps->hEventHandler)
(*peps->hEventHandler)();
break;
default:
break;
}
//TSK_deltatime(TSK_self()); // statistic collection
}
/* Ack for exit this task */
SEM_post(&SEM_MUSBMSCTaskExited);
}
//filters test vec samples for ping
void filtTestVecPing() {
int16_t i;
int16_t samples[8];
int16_t upsamples[48];
while (1) {
MBX_pend(&MBX_TestVecPing, samples,SYS_FOREVER);
for (i = 0; i<48; i = _sadd(i,1)) {
if (i%6 == 0) {
upsamples[i] = samples[i/6];
} else {
upsamples[i] = 0;
}
}
fir2((DATA*)upsamples, (DATA*)interpFilt, (DATA*)&g_audioBuffer[PING_START], (DATA*)testVecDelayLine, 48, INTERPFILT_SIZE);
}
}
