void init_dma(void)
{
HWI_Attrs hwiAttrs;
Uns dmaTxSynEvt, dmaRxSynEvt;
Uint32 dmaTxDest, dmaRxSrc;
LgUns tempAdd;
DMA_Config dmaTxCfg, dmaRxCfg;
DMA_FSET(DMAGCR,FREE,0);
DMA_getConfig(hDmaTx, &dmaTxCfg);
dmaTxDest = MCBSP_ADDR(DXR21) << 1;
/* Setup Tx Side addresses based on MCBSP port */
dmaTxCfg.dmacdsal = (DMA_AdrPtr)(dmaTxDest & 0xFFFF);
dmaTxCfg.dmacdsau = ((dmaTxDest >> 15) & 0xFFFF);
tempAdd = (LgUns)(&txBuffer[0]) << 1; /* byte address */
dmaTxCfg.dmacssal = (DMA_AdrPtr)(tempAdd & 0xFFFF);
dmaTxCfg.dmacssau = ((tempAdd >> 15) & 0xFFFF);
dmaTxSynEvt = DMA_DMACCR_SYNC_XEVT1;
dmaTxCfg.dmaccr |= DMA_FMK(DMACCR,SYNC,dmaTxSynEvt);
DMA_config(hDmaTx,&dmaTxCfg);
/* Setup Rx Side addresses based on MCBSP port */
DMA_getConfig(hDmaRx, &dmaRxCfg);
dmaRxSrc = MCBSP_ADDR(DRR11) << 1;
dmaRxCfg.dmacssal = (DMA_AdrPtr)(dmaRxSrc & 0xFFFF);
dmaRxCfg.dmacssau = ((dmaRxSrc >> 15) & 0xFFFF);
tempAdd = (LgUns)(rxstart) << 1; /* byte address */
dmaRxCfg.dmacdsal = (DMA_AdrPtr)(tempAdd & 0xFFFF);
dmaRxCfg.dmacdsau = ((tempAdd >> 15) & 0xFFFF);
dmaRxSynEvt = DMA_DMACCR_SYNC_REVT1;
dmaRxCfg.dmaccr |= DMA_FMK(DMACCR,SYNC,dmaRxSynEvt);
DMA_config(hDmaRx,&dmaRxCfg);
/* Configure DMA to be free running */
DMA_FSET(DMAGCR,FREE,1);
/* Obtain Interrupt IDs for Tx and Rx DMAs */
rxId = DMA_getEventId(hDmaRx);
txId = DMA_getEventId(hDmaTx);
/* plug in the ISR */
hwiAttrs.ier0mask = UARTHW_MCBSP_IER_MASK_DEFAULT;
hwiAttrs.ier1mask = UARTHW_MCBSP_IER_MASK_DEFAULT;
hwiAttrs.arg = NULL;
HWI_dispatchPlug(rxId, (Fxn)rxIsr, &hwiAttrs);
hwiAttrs.ier0mask = UARTHW_MCBSP_IER_MASK_DEFAULT;
hwiAttrs.ier1mask = UARTHW_MCBSP_IER_MASK_DEFAULT;
HWI_dispatchPlug(txId, (Fxn)txIsr, &hwiAttrs);
IRQ_enable(txId);
IRQ_enable(rxId);
}
/**
* main method
* contains main run loop
*/
int main() {
//prototype for linear assembly convolution function
extern int convolve_as_func(int x[], int w[], int x_idx, int w_length);
DSK6713_init();
hCodec = DSK6713_AIC23_openCodec(0,&config);
DSK6713_AIC23_setFreq(hCodec, DSK6713_AIC23_FREQ_8KHZ);
// enable interrupts
IRQ_globalEnable();
IRQ_enable(IRQ_EVT_RINT1);
IRQ_enable(IRQ_EVT_XINT1);
reset(); // init the input buffer to zeros
// get the time to make a clock() funciton call; used only for profiling
/*
start = clock();
end = clock();
diff = end - start;
*/
// the first write is needed to trigger the transmit interrupt
while(!DSK6713_AIC23_write(hCodec, 0));
in_channel_flag = 1;
out_channel_flag = 1;
while(1) {
if(input_ready) {
//process sample when input is ready
sig_error = process_sample(in_left, in_right);
input_ready = 0;
}
// set output when ready
if(output_ready) {
out_left = in_left;
out_right = sig_error;
output_ready = 0;
}
};
/* The program will never exit this loop */
/* However, if you _do_ exit the loop (say, using a break
* statement) close the D/A converter properly */
DSK6713_AIC23_closeCodec(hCodec);
exit();
}
/*..........................................................................*/
void QF_onStartup(void) {
/* configuration of Timer0 as the system clock tick...*/
CSL_TIM_0_REGS->TIMPRD1 = (CPU_CLOCK_HZ / 4096U) / BSP_TICKS_PER_SEC;
CSL_TIM_0_REGS->TIMPRD2 = 0U;
CSL_TIM_0_REGS->TIMCNT1 = 0U;
CSL_TIM_0_REGS->TIMCNT2 = 0U;
CSL_SYSCTRL_REGS->TIAFR = 0x0007U; /* clear timer aggregation reg. */
CSL_TIM_0_REGS->TCR = 0x802FU; /* autoReload | prescaler = 4096 */
IRQ_enable(TINT_EVENT); /* enable the TINT interrupt */
/* setup the RTC interrupt for testing */
CSL_RTC_REGS->RTCINTEN = 1U; /* enable RTC interrupts */
CSL_RTC_REGS->RTCINTREG = 1U; /* enable millisecond periodic interrupt */
IRQ_enable(RTC_EVENT);
}
void main()
{
//initialize intermediary values to zero
for(n = 0; n < 11; n++)
{
w[n] = 0;
}
DSK6713_init(); // Initialize the board support library, must be called first
hCodec = DSK6713_AIC23_openCodec(0, &config); // open codec and get handle
// Configure buffered serial ports for 32 bit operation
// This allows transfer of both right and left channels in one read/write
MCBSP_FSETS(SPCR1, RINTM, FRM);
MCBSP_FSETS(SPCR1, XINTM, FRM);
MCBSP_FSETS(RCR1, RWDLEN1, 32BIT);
MCBSP_FSETS(XCR1, XWDLEN1, 32BIT);
// set codec sampling frequency
DSK6713_AIC23_setFreq(hCodec, DSK6713_AIC23_FREQ_16KHZ);
// interrupt setup
IRQ_globalDisable(); // Globally disables interrupts
IRQ_nmiEnable(); // Enables the NMI interrupt
IRQ_map(IRQ_EVT_RINT1,15); // Maps an event to a physical interrupt
IRQ_enable(IRQ_EVT_RINT1); // Enables the event
IRQ_globalEnable(); // Globally enables interrupts
while(1) // main loop - do nothing but wait for interrupts
{
}
}
/********************************** init_HWI() **************************************/
void init_HWI(void)
{
IRQ_globalDisable(); // Globally disables interrupts
IRQ_nmiEnable(); // Enables the NMI interrupt (used by the debugger)
IRQ_map(IRQ_EVT_XINT1,4); // Maps an event to a physical interrupt
IRQ_enable(IRQ_EVT_XINT1); // Enables the event
IRQ_globalEnable(); // Globally enables interrupts
}
void config_interrupts(void)
{
IRQ_map(IRQ_EVT_EDMAINT, 8); // CHECK same settings in BIOS!!!
IRQ_clear(IRQ_EVT_EDMAINT);
IRQ_enable(IRQ_EVT_EDMAINT);
SWI_enable();
IRQ_globalEnable();
}
int main(void) {
/* Initialize the CSL and the CPLD */
CSL_init();
DSK6713_init();
DSK6713_LED_init();
/* Turn on one LED so we can see it executed at least the main function */
DSK6713_LED_on(0);
/* Initialize the DIP switches to be able to read them */
DSK6713_DIP_init();
/* Configure the codec according to the definitions in config_AIC23.c
* via the McBSP0 interface
*/
conf_AIC23();
/* Configure the McBSP to transfer the data from and to the codec */
conf_MCBSP();
/* Start the MCBSP */
start_MCBSP();
/* Configure EDMA */
conf_EDMA();
/* Time to initialize the buffer and zerofill it */
for(i = 0; i < 10; i++) FIFO_I[i] = 0;
for(i = 0; i < 10; i++) FIFO_Q[i] = 0;
/* Config Interrupts */
IRQ_enable(IRQ_EVT_EDMAINT);
IRQ_map(IRQ_EVT_EDMAINT, 8);
IRQ_globalEnable();
/* Enable the EDMA channels */
EDMA_enableChannel(hEDMATrx);
/******************************************************/
/* We should be done here by now. The McBSP generates an
* Interrupt (called "event" in this case) each time
* there's a new word ready to be written or ready to
* be transferred from the serial port to the
* input buffer. We use it for the golden wire config
* and will disable the input when we throw in the
* QPSK modulation algorithm as it is not needed by then.
*/
/******************************************************/
/* End main - RTOS takes over */
}
void init_Ints(void) // used to generate sinusoid with interrupts
{
IRQ_setVecs(vectors);
IRQ_map(IRQ_EVT_XINT1,11);
IRQ_reset(IRQ_EVT_XINT1);
IRQ_enable(IRQ_EVT_XINT1);
IRQ_nmiEnable();
IRQ_globalEnable();
}
void config_interrupts(void)
{
LOG_printf(&myLog, "config interrupts begin");
//Wie muss das mapping genau stattfinden?
// McBSP --> EDMA ?
// EDMA --> CPU ?
// IRQ_globalDisable();
IRQ_map(IRQ_EVT_EDMAINT, 8); // EIGEN!!!: Ist hier 8 richtig?
IRQ_clear(IRQ_EVT_EDMAINT); // EIGEN!!!:
IRQ_enable(IRQ_EVT_EDMAINT); // EIGEN!!!:
IRQ_globalEnable();
LOG_printf(&myLog, "config interrupts end");
}
void init_Ints(void) // used to generate sinusoid with interrupts
{
IRQ_setVecs(vectors);
IRQ_reset(IRQ_EVT_XINT1);
IRQ_map(IRQ_EVT_XINT1,11);
IRQ_nmiEnable();
IRQ_globalEnable();
IRQ_enable(IRQ_EVT_XINT1);
/* add your mappings to set up your interrupt (mcbsp, edma etc) here */
}
/**
* \brief Interrupt Dispatcher to identify interrupt source
*
* This function identify the type of UART interrupt generated and
* calls concerned ISR to handle the interrupt
*
* \param none
*
* \return none
*/
interrupt void UART_intrDispatch(void)
{
Uint16 eventId = 0;
IRQ_disable(UART_EVENT);
/* Get the event Id which caused interrupt */
eventId = UART_getEventId(hUart);
if (((void (*)(void))(hUart->UART_isrDispatchTable[eventId])))
{
((void (*)(void))(hUart->UART_isrDispatchTable[eventId]))();
}
IRQ_enable(UART_EVENT);
return;
}
void convInit( )
{
convObject.unMillimetersPerTrigger = CONV_MILLIMETERS_PER_TRIGGER;
convObject.unLastTicks = 0;
convObject.unLastDeltaTicks = 0;
convObject.unNumTotalTriggerSignals = 0;
convObject.unTimeoutTicks = timeFromMs( convHal.unTimeout );
convObject.bStanding = TRUE;
// PRE: the HWI link to our handler function is set by the config tool.
IRQ_clear( convHal.unExtInterrupt );
IRQ_enable( convHal.unExtInterrupt );
// Enable the interrupt in the FPGA
ppuMemory[CONV_REG_INTENABLE_ADDR] |= CONV_REG_INTENABLE_MASK;
// Init the high res timer that we're going to use
timeInit();
}
void main()
{
DSK6713_init(); // Initialize the board support library, must be called first
hCodec = DSK6713_AIC23_openCodec(0, &config); // open codec and get handle
//convert coefficients to Q15 format
short i,j;
for(i = 0; i < 33; i++)
{
w[i] = 0;
}
for(i = 0; i < 11; i++)
{
for(j = 0; j < 3; j++)
{
NUM_s[i][j] = NUM[i][j] << 5;
DEN_s[i][j] = DEN[i][j] << 5;
}
}
// Configure buffered serial ports for 32 bit operation
// This allows transfer of both right and left channels in one read/write
MCBSP_FSETS(SPCR1, RINTM, FRM);
MCBSP_FSETS(SPCR1, XINTM, FRM);
MCBSP_FSETS(RCR1, RWDLEN1, 32BIT);
MCBSP_FSETS(XCR1, XWDLEN1, 32BIT);
// set codec sampling frequency
DSK6713_AIC23_setFreq(hCodec, DSK6713_AIC23_FREQ_16KHZ);
// interrupt setup
IRQ_globalDisable(); // Globally disables interrupts
IRQ_nmiEnable(); // Enables the NMI interrupt
IRQ_map(IRQ_EVT_RINT1,15); // Maps an event to a physical interrupt
IRQ_enable(IRQ_EVT_RINT1); // Enables the event
IRQ_globalEnable(); // Globally enables interrupts
while(1) // main loop - do nothing but wait for interrupts
{
}
}
// for communication/init using interrupt
void comm_intr() {
// 0 since not polling
poll=0;
// disable interrupts
IRQ_globalDisable();
// init DSP and codec
c6713_dsk_init();
// McBSP1 Xmit
CODECEventId=MCBSP_getXmtEventId(DSK6713_AIC23_codecdatahandle);
// do not need to point to vector table
#ifndef using_bios
//point to the IRQ vector table
IRQ_setVecs(vectors);
//since interrupt vector handles this
#endif
// map McBSP1 Xmit to INT11
IRQ_map(CODECEventId, 11);
// reset codec INT 11
IRQ_reset(CODECEventId);
// globally enable interrupts
IRQ_globalEnable();
// enable NMI interrupt
IRQ_nmiEnable();
// enable CODEC eventXmit INT11
IRQ_enable(CODECEventId);
// start McBSP interrupt outputting a sample
output_sample(0);
}
/*
* initIrq() - Initialize and enable the DMA receive interrupt using the CSL.
* The interrupt service routine for this interrupt is edmaHwi.
*/
void initIrq(void)
{
/* Enable EDMA interrupts to the CPU */
IRQ_clear(IRQ_EVT_EDMAINT); // Clear any pending EDMA interrupts
IRQ_enable(IRQ_EVT_EDMAINT); // Enable EDMA interrupt
}
void main()
{
// initialize the save buffers
for(j = 0; j < 2; j++){
for (i=0;i<SAVES;i++) {
cde_save[i] = 0;
pcf_save[i] = 0;
clockoffset_save[i] = 0.0;
fde_save[i] = 0.0;
imax_save[i] = 0;
recbuf_start_clock_save[i] = 0;
ppm_estimate_save[i] = 0.0;
ytilde_save[i] = 0.0;
state_prediction[j][i] = 0.0;
state_estimate[j][i] = 0.0;
}
}
// set up the fractionally shifted buffers
for(k = 0; k < FER; k++){
fractionalShift = ((double) k )/((double) FER); // number of samples to shift
for (i=-N;i<=N;i++){
x = ((double) i - fractionalShift)*BW;
if (x==0.0) {
y = 32767.0;
}
else
{
t = ((double) i - fractionalShift)*CBW;
y = 32767.0*cos(2*PI*t)*sin(PI*x)/(PI*x); // double
}
j = i;
if (j<0) {
j += L; // wrap
}
allMyDelayedWaveforms[k][j] = (short) y;
}
}
// set up the cosine and sin matched filters for searching
// also initialize searching buffer
for (i=0;i<M;i++){
t = i*CBW; // time
y = cos(2*PI*t); // cosine matched filter (double)
mfc[i] = (float) y; // cast and store
y = sin(2*PI*t); // sine matched filter (double)
mfs[i] = (float) y; // cast and store
buf[i] = 0; // clear searching buffer
}
// initialize clock buffers
for (i=0;i<L;i++) {
clockbuf[i] = 0;
clockbuf_shifted[0][i] = 0;
clockbuf_shifted[1][i] = 0;
}
// initialize sinc pulse buffer
for (i=0;i<LL;i++)
sincpulsebuf[i] = 0;
// set up clock buffer and sinc pulse buffer
// to play modulated sinc centered at zero
for (i=-N;i<=N;i++){
x = i*BW;
if (i!=0) {
t = i*CBW;
y = 32767.0*cos(2*PI*t)*sin(PI*x)/(PI*x); // double
}
else {
y = 32767.0;
}
j = i;
if (j<0) {
j += L; // wrap
}
clockbuf[j] = (short) y;
j = i;
if (j<0) {
j += LL; // wrap
}
sincpulsebuf[j] = (short) y;
}
// set up inphase and quadrature sinc pulses for coarse and fine delay estimators
j = 0;
for (i=-N;i<=N;i++){
x = i*BW;
if (i!=0) {
t = i*CBW;
si[j] = (float) (cos(2*PI*t)*sin(PI*x)/(PI*x));
sq[j] = (float) (sin(2*PI*t)*sin(PI*x)/(PI*x));
}
else {
si[j] = 1.0;
sq[j] = 0.0;
}
j++;
}
DSK6713_init(); // Initialize the board support library, must be called first
DSK6713_LED_init(); // initialize LEDs
hCodec = DSK6713_AIC23_openCodec(0, &config); // open codec and get handle
// Configure buffered serial ports for 32 bit operation
// This allows transfer of both right and left channels in one read/write
MCBSP_FSETS(SPCR1, RINTM, FRM);
MCBSP_FSETS(SPCR1, XINTM, FRM);
MCBSP_FSETS(RCR1, RWDLEN1, 32BIT);
MCBSP_FSETS(XCR1, XWDLEN1, 32BIT);
// set codec sampling frequency
DSK6713_AIC23_setFreq(hCodec, DSK6713_AIC23_FREQ_8KHZ);
// interrupt setup
IRQ_globalDisable(); // Globally disables interrupts
IRQ_nmiEnable(); // Enables the NMI interrupt
IRQ_map(IRQ_EVT_RINT1,15); // Maps an event to a physical interrupt
IRQ_enable(IRQ_EVT_RINT1); // Enables the event
IRQ_globalEnable(); // Globally enables interrupts
DSK6713_LED_toggle(3);
while(1) // main loop
{
if ((state==2)&&(delay_est_done==0)){ // TIME TO COMPUTE DELAY ESTIMATES
DSK6713_LED_toggle(1); // toggle LED here for diagnostics
/*****************
* *
* ESTIMATION *
* *
****************/
// compute coarse delay estimate
zmax = 0.0; // maximum
imax = 0; // index of maximum
for (i=0;i<(2*M-1);i++){ // lag index
z = 0;
for (j=0;j<(2*N+1);j++) {
z+= si[j]*recbuf[i+j]; // correlation at lag i
}
if (abs(z)>zmax) {
zmax = abs(z); // store maximum
imax = i; // store index of maximum
}
}
cde = recbuf_start_clock + imax + N; // coarse delay estimate (DRB: +N here because si is already shifted by N)
// cde is the number of samples elapsed since we launched the S->M sinc pulse
// compute fine delay estimate
zi = 0.0; // in phase
zq = 0.0; // quadrature
for (j=0;j<(2*N+1);j++) {
zi+= si[j]*recbuf[imax+j]; // correlation at lag imax
zq+= sq[j]*recbuf[imax+j]; // correlation at lag imax
}
pcf = atan2(zq,zi)*(2*INVPI); // assumes wc = pi/2
fde = (float) cde + pcf;
// compute actual clock offset
// the value computed here is always non-negative and
// represents the number of samples the master clock is ahead of the slave clock
// (or the number of samples the slave clock is behind the master clock)
// S->M sinc pulse was launched at time 0
// M->S sinc pulse was received at time fde (should be positive)
// to synchronize, we want slave clock ticks to appear at fde/2 + k*L for k=0,1,....
clockoffset = fde*0.5;
// testing/debugging
imax_save[save_index] = imax;
recbuf_start_clock_save[save_index] = recbuf_start_clock;
cde_save[save_index] = cde;
pcf_save[save_index] = pcf;
fde_save[save_index] = fde;
clockoffset_save[save_index] = clockoffset;
//If first time running
if(!hasSaved && save_index == 0){
state_estimate[0][0] = clockoffset* TS;
state_estimate[1][0] = 0;
state_prediction[0][1] = clockoffset * TS;
state_prediction[1][1] = 0;
}
else
{ // save_index > 0
ytilde = clockoffset * TS - state_prediction[0][save_index]; // innovation (difference between current observation and prediction)
state_estimate[0][save_index] = state_prediction[0][save_index] + ((double) K1)*ytilde; // filtered clock offset estimate
state_estimate[1][save_index] = state_prediction[1][save_index] + ((double)K2)*ytilde; // filtered frequency offset estimate
//Determine if a glitch has happened
if (save_index+1<SAVES) {
// generate predictions for next observation (make sure multiplication by LL doesn't cause datatype problems)
state_prediction[0][save_index+1] = state_estimate[0][save_index] + state_estimate[1][save_index] * (double)T0;//* LL;
state_prediction[1][save_index+1] = state_estimate[1][save_index];
}
else if(save_index + 1 == SAVES){
state_prediction[0][0] = state_estimate[0][save_index] + state_estimate[1][save_index]* (double)T0;//* LL;
state_prediction[1][0] = state_prediction[1][save_index];
}
}
//Calculate the rate offset
if(!hasSaved && save_index < 1){
if(save_index == 0)
rateoffset_estimate = 0;
else
rateoffset_estimate = TS * (clockoffset_save[save_index] - clockoffset_save[save_index - 1]);
}
//Otherwise, use kalman filter
else{
rateoffset_estimate = state_prediction[0][save_index] - state_estimate[0][save_index];
}
//
if(clockoffset_save[save_index] > L && clockoffset_save[save_index - 1] < L)
adjustedclockoffset = clockoffset_save[save_index] + 5 * L * rateoffset_estimate;
else if(clockoffset_save[save_index] > L && clockoffset_save[save_index - 1] < L)
adjustedclockoffset = clockoffset_save[save_index] + 3 * L *rateoffset_estimate;
else
adjustedclockoffset = clockoffset_save[save_index] + 4 * L * rateoffset_estimate;
////////
j = (short) adjustedclockoffset; // casting from float to short just truncates, e.g., 3.99 becomes 3
fractionalShift = adjustedclockoffset - (double) j; // fractionalShift >= 0 and < 1 tells us how much of a sample is left
k = (short) (fractionalShift * (double) FER + 0.5); // this now rounds and givse results on 0,...,FER
if (k==FER) { // we rounded up to the next whole sample
k = 0;
j++;
}
for (i=0;i<L;i++) {
ell = j+i;
while (ell>=L) {
ell = ell-L;
}
if (current_clockbuf==0) {
clockbuf_shifted[1][ell] = allMyDelayedWaveforms[k][i]; // write other buffer
}
else {
clockbuf_shifted[0][ell] = allMyDelayedWaveforms[k][i]; // write other buffer
}
}
// when can we swap buffers?
buffer_swap_index = j+L/2; // midpoint of the silent part (I think)
while (buffer_swap_index>=L)
buffer_swap_index = buffer_swap_index-L;
// tell the ISR the calculations are done
delay_est_done = 1;
// update save index
save_index++;
if (save_index>=SAVES) // wrap
{
save_index = 0;
hasSaved = 1;
}
DSK6713_LED_toggle(1); // toggle LED here for diagnostics
}
else if (buffer_just_swapped==1) {
// this code computes the next buffer and attempts to corect for the frequency offset
buffer_just_swapped = 0;
// copy appropriate fractionally shifted clock buffer to shifted clock buffer
adjustedclockoffset = adjustedclockoffset + ((double) L)*one_over_beta; // adjust latency of next pulse
while (adjustedclockoffset>((double) L))
adjustedclockoffset = adjustedclockoffset - (double) L;
j = (short) adjustedclockoffset; // casting from float to short just truncates, e.g., 3.99 becomes 3
fractionalShift = adjustedclockoffset - (double) j; // fractionalShift >= 0 and < 1 tells us how much of a sample is left
k = (short) (fractionalShift * (double) FER); // this also truncates and should give result on 0,...,FER-1
for (i=0;i<L;i++) {
ell = j+i;
if (ell>=L) {
ell = ell-L;
}
if (current_clockbuf==0) {
clockbuf_shifted[1][ell] = allMyDelayedWaveforms[k][i]; // write other buffer
}
else {
clockbuf_shifted[0][ell] = allMyDelayedWaveforms[k][i]; // write other buffer
}
}
} // if ((state==2)&&(delay_est_done==0))
} // while(1)
} // void main
/*
* usb_test()
* USB Bulk transfer test. Device is detected as an eZDSP5535 when
* connected to PC while test is running. Bulk transfers can be
* made using USB_55xx program.
*
*/
CSL_Status usb_test(void)
{
CSL_IRQ_Config config;
CSL_Status result;
Uint16 eventMask;
result = CSL_USB_TEST_FAILED;
usbConfig.opMode = CSL_USB_OPMODE_POLLED;
usbConfig.devNum = CSL_USB0;
usbConfig.maxCurrent = CSL_USB_MAX_CURRENT;
usbConfig.appSuspendCallBack = (CSL_USB_APP_CALLBACK)CSL_suspendCallBack;
usbConfig.appWakeupCallBack = (CSL_USB_APP_CALLBACK)CSL_selfWakeupCallBack;
usbConfig.startTransferCallback = CSL_startTransferCallback;
usbConfig.completeTransferCallback = CSL_completeTransferCallback;
hEpObjArray[0] = &usbCtrlOutEpObj;
hEpObjArray[1] = &usbCtrlInEpObj;
hEpObjArray[2] = &usbBulkOutEpObj;
hEpObjArray[3] = &usbBulkInEpObj;
/* Set the interrupt vector start address */
IRQ_setVecs((Uint32)(&VECSTART));
/* Plug the USB Isr into vector table */
config.funcAddr = &usb_isr;
IRQ_plug(USB_EVENT, config.funcAddr);
/* Enable USB Interrupts */
IRQ_enable(USB_EVENT);
/* Enable CPU Interrupts */
IRQ_globalEnable();
/* Initialize the USB module */
status = USB_init(&usbConfig);
if(status != CSL_SOK)
{
printf("USB init failed\n");
return(result);
}
/* Reset the USB device */
status = USB_resetDev(CSL_USB0);
if(status != CSL_SOK)
{
printf("USB Reset failed\n");
return(result);
}
/* Initialize the Control Endpoint OUT 0 */
eventMask = (CSL_USB_EVENT_RESET | CSL_USB_EVENT_SETUP |
CSL_USB_EVENT_SUSPEND | CSL_USB_EVENT_RESUME |
CSL_USB_EVENT_RESET | CSL_USB_EVENT_EOT);
status = USB_initEndptObj(CSL_USB0, hEpObjArray[0],
CSL_USB_OUT_EP0,CSL_USB_CTRL,
CSL_USB_EP0_PACKET_SIZE, eventMask, NULL);
if(status != CSL_SOK)
{
printf("USB End point init failed\n");
return(result);
}
/* Initialize the Control Endpoint IN 0 */
status = USB_initEndptObj(CSL_USB0, hEpObjArray[1], CSL_USB_IN_EP0,
CSL_USB_CTRL, CSL_USB_EP0_PACKET_SIZE,
CSL_USB_EVENT_EOT, NULL);
if(status != CSL_SOK)
{
printf("USB End point init failed\n");
return(result);
}
/* Initialize the Bulk Endpoint IN 1 */
eventMask = (CSL_USB_EVENT_RESET | CSL_USB_EVENT_EOT);
status = USB_initEndptObj(CSL_USB0, hEpObjArray[2], CSL_USB_IN_EP1,
CSL_USB_BULK, CSL_USB_EP1_PACKET_SIZE_FS,
eventMask, NULL);
if(status != CSL_SOK)
{
printf("USB End point init failed\n");
return(result);
}
/* Initialize the Bulk Endpoint OUT 2 */
status = USB_initEndptObj(CSL_USB0, hEpObjArray[3], CSL_USB_OUT_EP1,
CSL_USB_BULK, CSL_USB_EP1_PACKET_SIZE_FS,
CSL_USB_EVENT_EOT, NULL);
if(status != CSL_SOK)
{
printf("USB End point init failed\n");
return(result);
}
/* Set the parameters */
status = USB_setParams(CSL_USB0, hEpObjArray, FALSE);
if(status != CSL_SOK)
{
printf("USB Set params failed\n");
return(result);
}
/* Connect the USB device */
status = USB_connectDev(CSL_USB0);
if(status != CSL_SOK)
{
printf("USB Connect failed\n");
return(result);
}
deviceDescPtr = (Uint16 *)deviceDesc;
cfgDescPtr = (Uint16 *)cfgDesc;
strDescPtr = (Uint16 *)strDesc;
dataReadBuffPtr = (Uint16 *)dataReadBuff;
dataWriteBuffPtr = (Uint16 *)dataWriteBuff;
while(stopRunning != TRUE);
result = CSL_USB_TEST_PASSED;
return(result);
}
/**
* \brief UART interrupt Test function
*
* This function verifies the UART operation in interrupt mode.
* This function runs in an infinite loop to read the characters
* from HyperTerminal and echo the characters back to HyperTerminal.
*
* \param none
*
* \return Test result(Only Failure Case)
*/
CSL_Status uart_IntcSample(void)
{
CSL_UartIsrAddr isrAddr;
CSL_Status status;
Uint32 sysClk;
sysClk = getSysClk();
mySetup.clkInput = sysClk;
/* Loop counter and error flag */
status = UART_init(&uartObj,CSL_UART_INST_0,UART_INTERRUPT);
if(CSL_SOK != status)
{
printf("UART_init failed error code %d\n",status);
return(status);
}
else
{
printf("UART_init Successful\n");
}
/* Handle created */
hUart = (CSL_UartHandle)(&uartObj);
/* Configure UART registers using setup structure */
status = UART_setup(hUart,&mySetup);
if(CSL_SOK != status)
{
printf("UART_setup failed error code %d\n",status);
return(status);
}
else
{
printf("UART_setup Successful\n");
}
/* Send the details of the test to HyperTerminal */
status = UART_fputs(hUart,"\r\n\nUART INTERRUPT TEST!",0);
if(CSL_SOK != status)
{
printf("UART_fputs failed error code %d\n",status);
return(status);
}
status = UART_fputs(hUart,"\r\nTEST READS A CHARACTER FROM HYPERTERMINAL CONTINUOUSLY",0);
if(CSL_SOK != status)
{
printf("UART_fputs failed error code %d\n",status);
return(status);
}
status = UART_fputs(hUart,"\r\nENTER '$' TO END THE TEST\r\n",0);
if(CSL_SOK != status)
{
printf("UART_fputs failed error code %d\n",status);
return(status);
}
/* Configure and Register the UART interrupts */
isrAddr.rbiAddr = uart_rxIsr;
isrAddr.tbeiAddr = uart_txIsr;
isrAddr.ctoi = uart_ctoIsr;
isrAddr.lsiAddr = uart_lsiIsr;
/* Disable interrupt */
IRQ_globalDisable();
/* Clear any pending interrupts */
IRQ_clearAll();
/* Disable all the interrupts */
IRQ_disableAll();
IRQ_setVecs((Uint32)(&VECSTART));
/* Configuring Interrupt */
IRQ_plug (UART_EVENT, &UART_intrDispatch);
/* Enabling Interrupt */
IRQ_enable(UART_EVENT);
IRQ_globalEnable();
/* Set the UART callback function */
status = UART_setCallback(hUart,&isrAddr);
if(status != CSL_SOK)
{
printf("UART_setCallback Failed\n");
return(status);
}
/* Enable the UART Events */
status = UART_eventEnable(hUart, CSL_UART_XMITOR_REG_EMPTY_INTERRUPT);
if(status != CSL_SOK)
{
printf("UART_eventEnable Failed\n");
return(status);
}
status = UART_eventEnable(hUart, CSL_UART_RECVOR_REG_DATA_INTERRUPT);
if(status != CSL_SOK)
{
printf("UART_eventEnable Failed\n");
return(status);
}
status = UART_eventEnable(hUart, CSL_UART_RECVOR_LINE_STATUS_INTERRUPT);
if(status != CSL_SOK)
{
printf("UART_eventEnable Failed\n");
return(status);
}
/* Tests runs until users enters Symbol '$' on the HyperTerminal */
while(endOfTest == FALSE)
{
}
printf("\nUSER ENTERED '$' on HyperTerminal\n");
printf("END OF TEST!\n");
/* Disable UART interrupts */
IRQ_disable(UART_EVENT);
/* Disable GLobal Interrupts */
IRQ_globalDisable();
/* Send the END OF TEST MESSAGE to HyperTerminal */
status = UART_fputs(hUart,"\r\n\nYOU HAVE ENTERED '$'.",0);
if(CSL_SOK != status)
{
printf("UART_fputs failed error code %d\n",status);
return(status);
}
status = UART_fputs(hUart,"\r\nEND OF THE TEST!!\r\n",0);
if(CSL_SOK != status)
{
printf("UART_fputs failed error code %d\n",status);
return(status);
}
/* Disable interrupt */
IRQ_globalDisable();
/* Clear any pending interrupts */
IRQ_clearAll();
/* Disable all the interrupts */
IRQ_disableAll();
return(CSL_SOK);
}
void DSK6713_configure_AIC23() {
/* Configure McBSP0 as control interface for aic23 */
MCBSP_Handle MCBSP0_handle;
MCBSP0_handle = MCBSP_open(MCBSP_DEV0, MCBSP_OPEN_RESET);
MCBSP_config(MCBSP0_handle, &MCBSP0_config);
MCBSP_start(MCBSP0_handle, MCBSP_XMIT_START | MCBSP_SRGR_START | MCBSP_SRGR_START, 220);
set_aic23_register(MCBSP0_handle, RESET_REGISTER, 0x0000);
set_aic23_register(MCBSP0_handle, POWER_DOWN_CONTROL, 0x0000);
set_aic23_register(MCBSP0_handle, LEFT_LINE_INPUT_CHANNEL_VOLUME, 0x0017);
set_aic23_register(MCBSP0_handle, RIGHT_LINE_INPUT_CHANNEL_VOLUME, 0x0017);
set_aic23_register(MCBSP0_handle, LEFT_CHANNEL_HEADPHONE_VOLUME, 0x00f9);
set_aic23_register(MCBSP0_handle, RIGHT_CHANNEL_HEADPHONE_VOLUME, 0x00f9);
set_aic23_register(MCBSP0_handle, ANALOG_AUDIO_PATH, 0x0011); // 00001 0010
set_aic23_register(MCBSP0_handle, DIGITAL_AUDIO_PATH, 0x0000); // 000000000
set_aic23_register(MCBSP0_handle, DIGITAL_AUDIO_INTERFACE_FORMAT, 0x0043); //0 0100 0001
set_aic23_register(MCBSP0_handle, SAMPLE_RATE_CONTROL, 0x000d); // 01100
set_aic23_register(MCBSP0_handle, DIGITAL_INTERFACE_ACTIVATION, 0x0001);
/* Configure McBSP1 as data interface for aic23 */
MCBSP_Handle MCBSP1_handle;
MCBSP1_handle = MCBSP_open(MCBSP_DEV1, MCBSP_OPEN_RESET);
MCBSP_config(MCBSP1_handle, &MCBSP1_config);
MCBSP_start(MCBSP1_handle, MCBSP_XMIT_START|MCBSP_RCV_START|MCBSP_SRGR_FRAMESYNC|MCBSP_SRGR_START, 220);
/* Configure receive EDMA */
EDMA_Handle hEdmaRcv;
EDMA_Handle hEdmaRcvA;
EDMA_Handle hEdmaRcvB;
hEdmaRcv = EDMA_open(EDMA_CHA_REVT1, EDMA_OPEN_RESET);
hEdmaRcvA = EDMA_allocTable(-1);
hEdmaRcvB = EDMA_allocTable(-1);
gEdmaRcvConfig.src = MCBSP_getRcvAddr(MCBSP1_handle); // Get address of DRR
gTccRcvChan = EDMA_intAlloc(-1); // get next free transfer complete code
gEdmaRcvConfig.opt |= EDMA_FMK(OPT, TCC, gTccRcvChan);
EDMA_config(hEdmaRcv, &gEdmaRcvConfig);
EDMA_config(hEdmaRcvA, &gEdmaRcvConfig);
gEdmaRcvConfig.dst = EDMA_DST_OF(gRcvBufferB);
EDMA_config(hEdmaRcvB, &gEdmaRcvConfig);
EDMA_link(hEdmaRcv, hEdmaRcvB);
EDMA_link(hEdmaRcvB, hEdmaRcvA);
EDMA_link(hEdmaRcvA, hEdmaRcvB);
/* Configure transmit EDMA */
EDMA_Handle hEdmaXmt;
EDMA_Handle hEdmaXmtA;
EDMA_Handle hEdmaXmtB;
hEdmaXmt = EDMA_open(EDMA_CHA_XEVT1, EDMA_OPEN_RESET);
hEdmaXmtA = EDMA_allocTable(-1);
hEdmaXmtB = EDMA_allocTable(-1);
gEdmaXmtConfig.dst = MCBSP_getXmtAddr(MCBSP1_handle); // Get address of DXR
gTccXmtChan = EDMA_intAlloc(-1); // get next free transfer complete code
gEdmaXmtConfig.opt |= EDMA_FMK(OPT, TCC, gTccXmtChan);
EDMA_config(hEdmaXmt, &gEdmaXmtConfig);
EDMA_config(hEdmaXmtA, &gEdmaXmtConfig);
gEdmaXmtConfig.src = EDMA_DST_OF(gXmtBufferB); // set source to buffer B
EDMA_config(hEdmaXmtB, &gEdmaXmtConfig);
EDMA_link(hEdmaXmt, hEdmaXmtB);
EDMA_link(hEdmaXmtB, hEdmaXmtA);
EDMA_link(hEdmaXmtA, hEdmaXmtB);
EDMA_intClear(gTccRcvChan);
EDMA_intClear(gTccXmtChan);
EDMA_intEnable(gTccRcvChan);
EDMA_intEnable(gTccXmtChan);
gBufferState.cpuBufferState = StateB; // inittial cpu buffer state
EDMA_enableChannel(hEdmaRcv);
EDMA_enableChannel(hEdmaXmt);
IRQ_clear(IRQ_EVT_EDMAINT);
IRQ_enable(IRQ_EVT_EDMAINT);
MCBSP_write(MCBSP1_handle, 0x00);
}
int main()
{
int i;
msg_t msg;
func_t func;
/** 外设初始化开始 **/
Peripheral_Init();
/** 外设初始化结束 **/
charQueueInit(&g_com1TxQue);
//charQueueInit(&g_com2TxQue);
MFPACK_FIFO_CLEAN("清空指纹传感器缓冲区");
MBTACK_FIFO_CLEAN("清空蓝牙接收缓冲区");
actionQueueInit(&g_actionQueue, &(g_timer[1]), CACT_TOUT, CACT_OVER);
actionQueueInit(&g_promptQueue, &(g_timer[2]), CPMT_TOUT, CPMT_OVER);
actionQueueInit(&g_blinkQueue, &(g_timer[3]), CBLK_TOUT, CBLK_OVER);
adcSample_Init(&g_adcData, &(g_timer[4]), CADC_TOUT, TIMER_300MS);
for(i = 0; i < TIMER_NUM; i++) {
ClrTimer(&g_timer[i]);
}
//SetTimer(&g_timer[0], TIMER_1SEC, CMSG_TMR);
msgq_init(&g_msgq);
#if 1
msg.msgType = CMSG_PWON;
msgq_in(&g_msgq, &msg);
fstack_init(&g_fstack);
func.func = f_idle;
fstack_push(&g_fstack, &func);
#endif
AWU_Config();
//enableInterrupts();
IRQ_enable();
//MIRQ_disable();
/* Infinite loop */
while(1)
{
//IWDG_ReloadCounter();
//Refresh_WWDG_Window();
//Test_WWDGReset();
keyscan();
//vop_busy();
//fingerCheck();
PeripheralInput_Check();
DAEMON_USART1_Send(&g_com1TxQue); /** output to fingerprint **/
DAEMON_USART3_Send(&g_com3TxQue); /** output to bluetooth **/
//DAEMON_USART1_Recive(&g_comRevBuf);
actionDoing(&g_actionQueue);
actionDoing(&g_promptQueue);
actionDoing(&g_blinkQueue);
if(msgq_out_irq(&g_msgq, &msg) == FALSE) { /** 有消息吗? **/
continue;
}
if(sysProcess(&msg) == TRUE) { /** 是系统消息吗? **/
continue;
}
if(fstack_top(&g_fstack, &func) == FALSE) { /** 当前处于工作状态吗? **/
/** something wrong happend, Power Down or recover it **/
fstack_init(&g_fstack);
func.func = f_idle;
fstack_push(&g_fstack, &func);
g_tick = 0;
SetTimer_irq(&g_timer[0], TIMER_1SEC, CMSG_TMR);
continue;
}
func.func((unsigned *)&msg);
}
}
void main()
{
// set up the cosine and sin matched filters for searching
// also initialize searching buffer
for (i=0;i<M;i++){
t = i*0.25; // time
y = cos(2*PI*t); // cosine matched filter (double)
mfc[i] = (float) y; // cast and store
y = sin(2*PI*t); // sine matched filter (double)
mfs[i] = (float) y; // cast and store
buf[i] = 0.0; // clear searching buffer
fbuf[i] = 0.0;
}
// initialize input buffer
for (i=0;i<BL;i++)
inbuf[i] = 0.0;
// initialize clock buffer
for (i=0;i<L;i++)
clockbuf[i] = 0;
// set up clock buffer to play modulated sinc centered at zero
for (i=-N;i<=N;i++){
x = i*BW;
if (i!=0) {
t = i*0.25;
y = ((double) CLOCKAMPLITUDE)*cos(CARRIERKHZ*PI*t)*sin(PI*x)/(PI*x); // double
}
else {
y = ((double) CLOCKAMPLITUDE);
}
j = i;
if (j<0) {
j += L; // wrap
}
clockbuf[j] = (short) y;
}
DSK6713_init(); // Initialize the board support library, must be called first
DSK6713_LED_init(); // initialize LEDs
hCodec = DSK6713_AIC23_openCodec(0, &config); // open codec and get handle
// Configure buffered serial ports for 32 bit operation
// This allows transfer of both right and left channels in one read/write
MCBSP_FSETS(SPCR1, RINTM, FRM);
MCBSP_FSETS(SPCR1, XINTM, FRM);
MCBSP_FSETS(RCR1, RWDLEN1, 32BIT);
MCBSP_FSETS(XCR1, XWDLEN1, 32BIT);
// set codec sampling frequency
DSK6713_AIC23_setFreq(hCodec, DSK6713_AIC23_FREQ_16KHZ);
// interrupt setup
IRQ_globalDisable(); // Globally disables interrupts
IRQ_nmiEnable(); // Enables the NMI interrupt
IRQ_map(IRQ_EVT_RINT1,15); // Maps an event to a physical interrupt
IRQ_enable(IRQ_EVT_RINT1); // Enables the event
IRQ_globalEnable(); // Globally enables interrupts
while(1) // main loop
{
}
}
void main()
{
DSK6713_init(); // Initialize the board support library, must be called first
hCodec = DSK6713_AIC23_openCodec(0, &config); // open codec and get handle
// Configure buffered serial ports for 32 bit operation
// This allows transfer of both right and left channels in one read/write
MCBSP_FSETS(SPCR1, RINTM, FRM);
MCBSP_FSETS(SPCR1, XINTM, FRM);
MCBSP_FSETS(RCR1, RWDLEN1, 32BIT);
MCBSP_FSETS(XCR1, XWDLEN1, 32BIT);
// set codec sampling frequency
DSK6713_AIC23_setFreq(hCodec, DSK6713_AIC23_FREQ_8KHZ);
//initialize buffers to zero
init();
// interrupt setup
IRQ_globalDisable(); // Globally disables interrupts
IRQ_nmiEnable(); // Enables the NMI interrupt
IRQ_map(IRQ_EVT_RINT1,15); // Maps an event to a physical interrupt
IRQ_enable(IRQ_EVT_RINT1); // Enables the event
IRQ_globalEnable(); // Globally enables interrupts
//temporary variable for real-imag swapping for ifft, placed here for convenience
float temp = 0;
while(1) // main loop - do nothing but wait for interrupts
{
if(pingFlag == 1){
for(n = 0; n < FFT_LENGTH; n++){
if(n < (ORDER - 1)){
pingU[n] = Z[n];
}
else{
pingU[n] = PING[n - (ORDER - 1)];
}
}
// cfftr2_dit(pingU,w,FFT_LENGTH); //TI floating-pt complex FFT
// bitrev(pingU,ix,FFT_LENGTH); //freq scrambled->bit-reverse X
for(n = 0; n < FFT_LENGTH; n++){
// V[n] = cmplxMult(h[n],pingU[n]);
V[n] = pingU[n];
//swap real and imaginary for ifft, remember to uncomment temp as well
// temp = V[n].re;
// V[n].re = V[n].im;
// V[n].im = temp;
}
// cfftr2_dit(V,w,FFT_LENGTH) ; //TI floating-pt complex ifft
// bitrev(V,ix,FFT_LENGTH); //freq scrambled->bit-reverse X
for(n = ORDER - 1; n < FFT_LENGTH; n++)
{
outputPING[n] = V[n].re * 32768;
}
for(n = (FFT_LENGTH - (ORDER - 1)) - (ORDER -1); n < FFT_LENGTH - (ORDER - 1); n++)
{
Z[n] = PING[n];
}
lflag = 1;
}
if(pongFlag == 1){
for(n = 0; n < FFT_LENGTH; n++){
if(n < (ORDER - 1)){
pongU[n] = Z[n];
}
else{
pongU[n] = PONG[n - (ORDER - 1)];
}
}
// cfftr2_dit(pongU,w,FFT_LENGTH) ; //TI floating-pt complex FFT
// bitrev(pongU,ix,FFT_LENGTH); //freq scrambled->bit-reverse X
for(n = 0; n < FFT_LENGTH; n++){
// V[n] = cmplxMult(h[n],pongU[n]);
V[n] = pongU[n];
// swap real and imaginary for ifft, remember to uncomment temp as well
// temp = V[n].re;
// V[n].re = V[n].im;
// V[n].im = temp;
}
// cfftr2_dit(V,w,FFT_LENGTH) ; //TI floating-pt complex ifft
// bitrev(V,ix,FFT_LENGTH); //freq scrambled->bit-reverse X
for(n = ORDER - 1; n < FFT_LENGTH; n++)
{
outputPONG[n] = V[n].re * 32768;
}
for(n = (FFT_LENGTH - (ORDER - 1)) - (ORDER -1); n < FFT_LENGTH - (ORDER - 1); n++)
{
Z[n] = PONG[n];
}
lflag = 1;
}
}
}
/**
* \brief Audio Class intialization function
*
* \param None
*
* \return None
*/
void CSL_acTest(void)
{
I2sInitPrms i2sInitPrms;
CSL_UsbConfig usbConfig;
PSP_Result result;
Int16 status;
HWI_Attrs attrs;
LOG_printf(&trace, "USB ISO FULL SPEED MODE\n");
/* Initialize audio module */
result = AIC3254_init();
if(result != 0)
{
LOG_printf(&trace, "ERROR: Unable to configure audio codec");
}
else
{
#if !defined(SAMPLE_BY_SAMPLE_PB) || !defined(SAMPLE_BY_SAMPLE_REC)
DMA_HwInit();
DMA_DrvInit();
#endif
/* Initialize I2S and associated DMA channels for Playback and Record */
i2sInitPrms.enablePlayback = TRUE;
i2sInitPrms.enableStereoPb = TRUE;
#ifdef SAMPLE_BY_SAMPLE_PB
i2sInitPrms.sampleBySamplePb = TRUE;
#else /* Configuration untested since ASRC only works with I2S in sample-by-sample mode */
i2sInitPrms.sampleBySamplePb = FALSE;
i2sInitPrms.enableDmaPingPongPb = FALSE;
i2sInitPrms.pingI2sTxLeftBuf = ping_i2sTxLeftBuf;
i2sInitPrms.pongI2sTxLeftBuf = pong_i2sTxLeftBuf;
i2sInitPrms.pingI2sTxRightBuf = ping_i2sTxRightBuf;
i2sInitPrms.pongI2sTxRightBuf = pong_i2sTxRightBuf;
i2sInitPrms.zeroBuf = ZeroBuf;
#endif
i2sInitPrms.i2sPb = PSP_I2S_TX_INST_ID;
i2sInitPrms.enableRecord = TRUE;
i2sInitPrms.enableStereoRec = FALSE;
#ifdef SAMPLE_BY_SAMPLE_REC
i2sInitPrms.sampleBySampleRec = TRUE;
#else
i2sInitPrms.sampleBySampleRec = FALSE;
i2sInitPrms.enableDmaPingPongRec = TRUE;
i2sInitPrms.pingI2sRxLeftBuf = (Int16 *)ping_pong_i2sRxLeftBuf;
i2sInitPrms.pongI2sRxLeftBuf = NULL;
i2sInitPrms.pingI2sRxRightBuf = (Int16 *)ping_pong_i2sRxRightBuf;
i2sInitPrms.pongI2sRxRightBuf = NULL;
#endif
i2sInitPrms.i2sRec = PSP_I2S_RX_INST_ID;
status = i2sInit(&i2sInitPrms);
if (status != I2SSAMPLE_SOK)
{
LOG_printf(&trace, "ERROR: Unable to initialize I2S");
}
#ifdef C5535_EZDSP_DEMO
// initialize the OLED display
oled_init();
#endif
/* Initialising the Pointer to the Audio Class Handle to the Buffer Allocated */
AC_AppHandle.pAcObj = &ACAppBuffer[0];
usbConfig.devNum = CSL_USB0;
usbConfig.opMode = CSL_USB_OPMODE_POLLED;
#ifdef APP_USB_SELF_POWERED
usbConfig.selfPowered = TRUE;
#else
usbConfig.selfPowered = FALSE;
#endif
usbConfig.maxCurrent = APP_USB_MAX_CURRENT;
usbConfig.appSuspendCallBack = (CSL_USB_APP_CALLBACK)CSL_suspendCallBack;
usbConfig.appWakeupCallBack = (CSL_USB_APP_CALLBACK)CSL_selfWakeupCallBack;
usbConfig.startTransferCallback = StartTransfer;
usbConfig.completeTransferCallback = CompleteTransfer;
USB_init(&usbConfig);
USB_setFullSpeedMode(0x40); /* parameter is EP0 data size in bytes */
USB_resetDev(CSL_USB0);
/* Calling init routine */
/* Giving all the table hanldes and the buffers to the Audio Class module */
AC_AppHandle.strDescrApp = (char **)&string_descriptor[0];
AC_AppHandle.lbaBufferPbApp = &lbaBufferPbApp[0];
AC_AppHandle.lbaBufferRecApp = &lbaBufferRecApp[0];
AC_AppHandle.lbaBufferHidReportApp = &lbaBufferHidReportApp[0];
AC_AppHandle.acReqTableApp = USB_ReqTable;
AC_AppHandle.pId = pId;
AC_AppHandle.vId = vId;
#ifndef ENABLE_PLAYBACK_TWO_SAMPLE_RATES
#ifdef SAMPLE_RATE_TX_48kHz
LOG_printf(&trace, "PLAYBACK: 48KHZ ");
#ifdef ENABLE_STEREO_PLAYBACK
LOG_printf(&trace, "STEREO\n");
AC_AppHandle.rxPktSize = EP_PB_MAXP; // max packet size for 48K stereo
#else // ENABLE_STEREO_PLAYBACK
LOG_printf(&trace, "MONO\n");
AC_AppHandle.rxPktSize = 0x60; // max packet size for 48K mono
#endif // ENABLE_STEREO_PLAYBACK
#endif // SAMPLE_RATE_TX_48kHz
#ifdef SAMPLE_RATE_TX_44_1kHz
LOG_printf(&trace, "PLAYBACK: 44.1KHZ ");
#ifdef ENABLE_STEREO_PLAYBACK
LOG_printf(&trace, "STEREO\n");
AC_AppHandle.rxPktSize = 0xB0; // max packet size for 44.1 stereo
#else // ENABLE_STEREO_PLAYBACK
LOG_printf(&trace, "MONO\n");
AC_AppHandle.rxPktSize = 0x58; // max packet size for 44.1 mono
#endif // ENABLE_STEREO_PLAYBACK
#endif // SAMPLE_RATE_TX_44_1kHz
#ifdef SAMPLE_RATE_TX_32kHz
LOG_printf(&trace, "PLAYBACK: 32KHZ ");
#ifdef ENABLE_STEREO_PLAYBACK
LOG_printf(&trace, "STEREO\n");
AC_AppHandle.rxPktSize = 0x80; // max packet size for 32K stereo
#else // ENABLE_STEREO_PLAYBACK
LOG_printf(&trace, "MONO\n");
AC_AppHandle.rxPktSize = 0x40; // max packet size for 32K mono
#endif // ENABLE_STEREO_PLAYBACK
#endif // SAMPLE_RATE_TX_32kHz
#ifdef SAMPLE_RATE_TX_16kHz
LOG_printf(&trace, "PLAYBACK: 16KHZ ");
#ifdef ENABLE_STEREO_PLAYBACK
LOG_printf(&trace, "STEREO\n");
AC_AppHandle.rxPktSize = RX_PKT_SIZE_16K_PLAYBACK_STEREO; // max packet size for 16K stereo
rx_pkt_size_16K_playback = RX_PKT_SIZE_16K_PLAYBACK_STEREO; // max packet size for 16K stereo
#else // ENABLE_STEREO_PLAYBACK
LOG_printf(&trace, "MONO\n");
AC_AppHandle.rxPktSize = RX_PKT_SIZE_16K_PLAYBACK_MONO; // max packet size for 16K mono
rx_pkt_size_16K_playback = RX_PKT_SIZE_16K_PLAYBACK_MONO; // max packet size for 16K mono
#endif // ENABLE_STEREO_PLAYBACK
#endif // SAMPLE_RATE_TX_16kHz
#else /* ENABLE_PLAYBACK_TWO_SAMPLE_RATES */
LOG_printf(&trace, "PLAYBACK: 48KHZ ");
#ifdef ENABLE_STEREO_PLAYBACK
LOG_printf(&trace, "STEREO\n");
AC_AppHandle.rxPktSize = EP_PB_MAXP; // max packet size for 48K stereo
#else // ENABLE_STEREO_PLAYBACK
LOG_printf(&trace, "MONO\n");
AC_AppHandle.rxPktSize = 0x60; // max packet size for 48K mono
#endif // ENABLE_STEREO_PLAYBACK
LOG_printf(&trace, "PLAYBACK: 16KHZ ");
#ifdef ENABLE_STEREO_PLAYBACK
rx_pkt_size_16K_playback = RX_PKT_SIZE_16K_PLAYBACK_STEREO; // max packet size for 16K stereo
LOG_printf(&trace, "STEREO\n");
#else // ENABLE_STEREO_PLAYBACK
rx_pkt_size_16K_playback = RX_PKT_SIZE_16K_PLAYBACK_MONO; // max packet size for 16K mono
LOG_printf(&trace, "MONO\n");
#endif // ENABLE_STEREO_PLAYBACK
#endif /* ENABLE_PLAYBACK_TWO_SAMPLE_RATES */
AC_AppHandle.txPktSize = EP_REC_MAXP; // max packet size for 16K mono
AC_AppHandle.hidTxPktSize = EP_HID_MAXP; // max packet size for HID output report
/* All Function Handlers need to be Initialised */
AC_AppHandle.playAudioApp = appPlayAudio;
AC_AppHandle.recordAudioApp = appRecordAudio;
AC_AppHandle.initPlayAudioApp = appInitPlayAudio;
AC_AppHandle.initRecordAudioApp = appInitRecordAudio;
AC_AppHandle.stopPlayAudioApp = appStopPlayAudio;
AC_AppHandle.stopRecordAudioApp = appStopRecordAudio;
AC_AppHandle.mediaGetPresentStateApp = AppGetMediaStatus;
AC_AppHandle.mediaInitApp = AppMediaInit;
AC_AppHandle.mediaEjectApp = AppMediaEject;
AC_AppHandle.mediaLockUnitApp = AppLockMedia;
AC_AppHandle.getMediaSizeApp = AppGetMediaSize;
AC_AppHandle.getHidReportApp = appGetHidReport;
AC_AppHandle.ctrlHandler = appCtrlFxn;
AC_AppHandle.isoHandler = appIsoFxn;
AC_AppHandle.hidHandler = appHidFxn;
AC_AppHandle.numLun = 2;
/* Initialize End point descriptors */
AC_initDescriptors(AC_AppHandle.pAcObj, (Uint16 *)deviceDescriptorB,
CSL_AC_DEVICE_DESCR, sizeof(deviceDescriptorB));
AC_initDescriptors(AC_AppHandle.pAcObj, (Uint16 *)deviceQualifierDescr,
CSL_AC_DEVICE_QUAL_DESCR, 10);
AC_initDescriptors(AC_AppHandle.pAcObj, (Uint16 *)configDescriptor,
CSL_AC_CONFIG_DESCR, sizeof(configDescriptor));
AC_initDescriptors(AC_AppHandle.pAcObj, (Uint16 *)stringLanId,
CSL_AC_STRING_LANGID_DESC, 6);
AC_initDescriptors(AC_AppHandle.pAcObj, (Uint16 *)acHidReportDescriptor,
CSL_AC_HID_REPORT_DESC, sizeof(acHidReportDescriptor));
/* Initialize HID */
AC_AppHandle.acHidIfNum = IF_NUM_HID; // HID interface number
AC_AppHandle.acHidReportId = HID_REPORT_ID; // HID report ID
AC_AppHandle.acHidReportLen = HID_REPORT_SIZE_BYTES; // HID report length (bytes)
genHidReport(UI_PUSH_BUTTON_NONE, gHidReport); // init. HID report for Get Report
/* Call Init API */
AC_Open(&AC_AppHandle);
/* Enable CPU USB interrupts */
CSL_FINST(CSL_CPU_REGS->IER1, CPU_IER1_USB, ENABLE);
/* Initialize active sample rate */
initSampleRate(RATE_48_KHZ, &active_sample_rate,
&i2sTxBuffSz);
/* Initialize ASRC */
Init_Sample_Rate_Converter(active_sample_rate);
/* Reset codec output buffer */
reset_codec_output_buffer();
#ifdef ENABLE_RECORD
#ifdef SAMPLE_RATE_RX_48kHz
LOG_printf(&trace, "RECORD: 48KHZ ");
#else
LOG_printf(&trace, "RECORD: 16KHZ ");
#endif // SAMPLE_RATE_RX_48kHz
// start the rx DMAs
DMA_StartTransfer(hDmaRxLeft);
#ifdef ENABLE_STEREO_RECORD
LOG_printf(&trace, "STEREO NOT SUPPORTED - RECORD WILL BE MONO\n");
DMA_StartTransfer(hDmaRxRight);
#else
LOG_printf(&trace, "MONO\n");
#endif
#endif // ENABLE_RECORD
#ifdef STORE_PARAMETERS_TO_SDRAM
initSdram(FALSE, 0x0000);
#endif // STORE_PARAMETERS_TO_SDRAM
#ifdef SAMPLE_BY_SAMPLE_PB
/* SampleBySample, init interrupt */
/* Use with compiler "interrupt" keyword */
//IRQ_plug(I2S_TX_EVENT, i2s_txIsr);
/* Use with dispatcher, no "interrupt" keyword */
attrs.ier0mask = 0xFFFF;
attrs.ier1mask = 0xFFFF;
HWI_dispatchPlug(I2S_TX_EVENT, (Fxn)i2s_txIsr, &attrs);
IRQ_enable(I2S_TX_EVENT); /* SampleBySample, enable IRQ for I2S Tx */
#endif
#if defined(SAMPLE_BY_SAMPLE_REC) && !defined(COMBINE_I2S_TX_RX_ISR)
/* SampleBySample, init interrupt */
/* Use with compiler "interrupt" keyword */
IRQ_plug(I2S_RX_EVENT, i2s_rxIsr);
/* Use with dispatcher, no "interrupt" keyword */
//attrs.ier0mask = 0xFFFF;
//attrs.ier1mask = 0xFFFF;
//HWI_dispatchPlug(I2S_RX_EVENT, (Fxn)i2s_rxIsr, &attrs);
IRQ_enable(I2S_RX_EVENT); /* SampleBySample, enable IRQ for I2S Rx */
#endif
#if defined(SAMPLE_BY_SAMPLE_PB) || defined(SAMPLE_BY_SAMLE_REC)
DDC_I2S_transEnable((DDC_I2SHandle)i2sHandleTx, TRUE); /* SampleBySample, enable I2S transmit and receive */
#endif
#ifndef SAMPLE_BY_SAMPLE_PB
i2sTxStart(); // - moved from appPlayAudio()
#endif
#ifdef C5535_EZDSP_DEMO
// clock gating usused peripherals
ClockGating();
#endif
}
}