void DmaTxConfiguration(void)
{
uint8 i;
/* Initialize DMA channel. */
TxOutDmaCh = TxDma_DmaInitialize(TX_DMA_BYTES_PER_BURST, TX_DMA_REQUEST_PER_BURST,
HI16(TX_DMA_SRC_BASE), HI16(TX_DMA_DST_BASE));
/* Allocate transfer descriptors for each buffer chunk. */
for (i = 0u; i < NUM_OF_BUFFERS; ++i)
{
TxOutDmaTd[i] = CyDmaTdAllocate();
}
/* Configure DMA transfer descriptors. */
for (i = 0u; i < (NUM_OF_BUFFERS - 1u); ++i)
{
/* Chain current and next DMA transfer descriptors to be in row. */
CyDmaTdSetConfiguration(TxOutDmaTd[i], TRANSFER_SIZE, TxOutDmaTd[i + 1u],
TD_INC_SRC_ADR);
}
/* Chain last and 1st DMA transfer descriptors to make cyclic buffer. */
CyDmaTdSetConfiguration(TxOutDmaTd[NUM_OF_BUFFERS - 1u], TRANSFER_SIZE, TxOutDmaTd[0u],
TD_INC_SRC_ADR);
for (i = 0u; i < NUM_OF_BUFFERS; i++)
{
/* Set source and destination addresses. */
CyDmaTdSetAddress(TxOutDmaTd[i], LO16((uint32) &soundBuffer[i * TRANSFER_SIZE]),
LO16((uint32) I2S_1_TX_CH0_F0_PTR));
}
/* Set 1st transfer descriptor to execute. */
CyDmaChSetInitialTd(TxOutDmaCh, TxOutDmaTd[0u]);
}
/*******************************************************************************
* Function Name: WaveDAC8_1_Wave2Setup
********************************************************************************
*
* Summary:
* Sets pointer and size for waveform 2.
*
* Parameters:
* uint8 * WavePtr: Pointer to the waveform array.
* uint16 SampleSize: The amount of samples in the waveform.
*
* Return:
* None
*
*******************************************************************************/
void WaveDAC8_1_Wave2Setup(const uint8 * wavePtr, uint16 sampleSize)
{
#if (CY_PSOC3)
uint16 memoryType; /* determining the source memory type */
memoryType = (WaveDAC8_1_HI16FLASHPTR == HI16(wavePtr)) ? HI16(CYDEV_FLS_BASE) : HI16(CYDEV_SRAM_BASE);
WaveDAC8_1_Wave2Chan = WaveDAC8_1_Wave2_DMA_DmaInitialize(
WaveDAC8_1_Wave2_DMA_BYTES_PER_BURST, WaveDAC8_1_Wave2_DMA_REQUEST_PER_BURST,
memoryType, HI16(CYDEV_PERIPH_BASE));
#else /* PSoC 5 */
WaveDAC8_1_Wave2Chan = WaveDAC8_1_Wave2_DMA_DmaInitialize(
WaveDAC8_1_Wave2_DMA_BYTES_PER_BURST, WaveDAC8_1_Wave2_DMA_REQUEST_PER_BURST,
HI16(wavePtr), HI16(WaveDAC8_1_DAC8__D));
#endif /* CY_PSOC3 */
/*
* TD is looping on itself.
* Increment the source address, but not the destination address.
*/
(void)CyDmaTdSetConfiguration(WaveDAC8_1_Wave2TD, sampleSize, WaveDAC8_1_Wave2TD,
(uint8)CY_DMA_TD_INC_SRC_ADR | (uint8)WaveDAC8_1_Wave2_DMA__TD_TERMOUT_EN);
/* Set the TD source and destination address */
(void)CyDmaTdSetAddress(WaveDAC8_1_Wave2TD, LO16((uint32)wavePtr), LO16(WaveDAC8_1_DAC8__D));
/* Associate the TD with the channel */
(void)CyDmaChSetInitialTd(WaveDAC8_1_Wave2Chan, WaveDAC8_1_Wave2TD);
}
static void
doTxSingleDMA(const uint8* data, uint32 count)
{
// Prepare DMA transfer
dmaInProgress = 1;
trace(trace_doTxSingleDMA);
CyDmaTdSetConfiguration(
scsiDmaTxTd[0],
count,
CY_DMA_DISABLE_TD, // Disable the DMA channel when TD completes count bytes
TD_INC_SRC_ADR |
SCSI_TX_DMA__TD_TERMOUT_EN // Trigger interrupt when complete
);
CyDmaTdSetAddress(
scsiDmaTxTd[0],
LO16((uint32)data),
LO16((uint32)scsiTarget_datapath__F0_REG));
CyDmaChSetInitialTd(scsiDmaTxChan, scsiDmaTxTd[0]);
// The DMA controller is a bit trigger-happy. It will retain
// a drq request that was triggered while the channel was
// disabled.
CyDmaClearPendingDrq(scsiDmaTxChan);
scsiTxDMAComplete = 0;
scsiRxDMAComplete = 1;
CyDmaChEnable(scsiDmaTxChan, 1);
}
/*******************************************************************************
* Function Name: Dma_M_Rx_Configuration
********************************************************************************
* Summary:
* Configures the DMA transfer for RX direction
*
* Parameters:
* None.
*
* Return:
* None.
*
*******************************************************************************/
void Dma_M_Rx_Configuration()
{
/* Init DMA, 1 byte bursts, each burst requires a request */
M_RxChannel = DMA_RX_M_DmaInitialize(DMA_RX_M_BYTES_PER_BURST, DMA_RX_M_REQUEST_PER_BURST,
HI16(DMA_RX_M_SRC_BASE), HI16(DMA_RX_M_DST_BASE));
M_RxTD[0u] = CyDmaTdAllocate();
M_RxTD[1u] = CyDmaTdAllocate();
/* Configure this Td as follows:
* - The TD is looping on itself
* - Increment the destination address, but not the source address
*/
CyDmaTdSetConfiguration(M_RxTD[0u], 8u, M_RxTD[1u], TD_INC_DST_ADR);
CyDmaTdSetConfiguration(M_RxTD[1u], 1u, M_RxTD[0u], 0u);
/* From the SPIM to the memory */
CyDmaTdSetAddress(M_RxTD[0u], LO16((uint32)SPIM_BSPIM_sR8_Dp_u0__F1_REG), LO16((uint32)m_rxBuffer));
CyDmaTdSetAddress(M_RxTD[1u], LO16((uint32)m_rxBuffer), LO16((uint32)m_rxBuffer));
/* Associate the TD with the channel */
CyDmaChSetInitialTd(M_RxChannel, M_RxTD[0u]);
}
/*******************************************************************************
* Function Name: AuxDetection_Initialization
********************************************************************************
* Summary:
* This routine sets up the DMA path for obtaining the AUX I2S data in
* SRAM buffer for comparing.
*
* Parameters:
* void
*
* Return:
* void
*
*******************************************************************************/
void AuxDetection_Initialization(void)
{
uint16 index;
I2SRxMDAChan = I2S_Rx_DMA_DmaInitialize(1, 1, HI16(CYDEV_PERIPH_BASE),HI16(CYDEV_SRAM_BASE));
auxDMA_Td = CyDmaTdAllocate();
CyDmaTdSetConfiguration(auxDMA_Td, AUX_TD_SIZE, auxDMA_Td, TD_INC_DST_ADR | auxTermOut);
CyDmaTdSetAddress(auxDMA_Td, (uint16)(I2S_RX_FIFO_0_PTR), (uint16)auxBuffer );
CyDmaChSetInitialTd(I2SRxMDAChan, auxDMA_Td);
for(index = 0; index < AUX_TD_SIZE; index++)
{
auxBuffer[index] = 0;
}
}
void `$INSTANCE_NAME`_Start() {
uint8* DMA_TD = (uint8*)`$INSTANCE_NAME`_DMA_TD;
uint8 numTD = `$INSTANCE_NAME`_numTD;
uint8* pwm_data_ptr = ((uint8*)&`$INSTANCE_NAME`_PWM_data) + 0x40;
uint8* dc_data_ptr = (uint8*)&`$INSTANCE_NAME`_PWM_data;
uint8 i,j,k;
for (i=0; i<4; i++)
for (j=0; j<8; j++)
`$INSTANCE_NAME`_PWM_data.dc[i][j] = 0;
for (i=0; i<4; i++)
for (j=0; j<16; j++)
`$INSTANCE_NAME`_PWM_data.pwm[i][j] = 0;
uint8 interruptState;
interruptState = CyEnterCriticalSection();
*(reg8*)`$INSTANCE_NAME`_C_TLC5940_WordCounter__CONTROL_AUX_CTL_REG |= 0x20u;
*(reg8*)`$INSTANCE_NAME`_C_TLC5940_BitCounter__CONTROL_AUX_CTL_REG |= 0x20u;
*(reg8*)`$INSTANCE_NAME`_C_TLC5940_WordCounter__PERIOD_REG = 0x08;
*(reg8*)`$INSTANCE_NAME`_C_TLC5940_gsclk_counter_GSCLKCounter_u0__D1_REG = 0x04;
`$INSTANCE_NAME`_DP_AUX_0 |= 5;
`$INSTANCE_NAME`_DP_AUX_1 |= 5;
`$INSTANCE_NAME`_DP_AUX_0 &= ~0x01;
`$INSTANCE_NAME`_DP_AUX_1 &= ~0x01;
CyExitCriticalSection(interruptState);
`$INSTANCE_NAME`_DMA_Chan = `$INSTANCE_NAME`_DMA_DmaInitialize(`$INSTANCE_NAME`_DMA_BYTES_PER_BURST, `$INSTANCE_NAME`_DMA_REQUEST_PER_BURST,
HI16(`$INSTANCE_NAME`_DMA_SRC_BASE), HI16(`$INSTANCE_NAME`_DMA_DST_BASE));
for (i = 0; i < numTD; i++)
DMA_TD[i] = CyDmaTdAllocate();
for (i = 0; i < numTD; i++) {
CyDmaTdSetConfiguration(DMA_TD[i], 16, DMA_TD[(i+1)%numTD], TD_TERMIN_EN | `$INSTANCE_NAME`_DMA__TD_TERMOUT_EN | TD_INC_SRC_ADR);
}
for (i = 0; i < 4; i++) {
CyDmaTdSetAddress(DMA_TD[i*3], LO16((uint32)dc_data_ptr + i*16 ), LO16((uint32)`$INSTANCE_NAME`_SHIFT_REG_FIFO));
CyDmaTdSetAddress(DMA_TD[i*3+1], LO16((uint32)pwm_data_ptr + i*32 ), LO16((uint32)`$INSTANCE_NAME`_SHIFT_REG_FIFO));
CyDmaTdSetAddress(DMA_TD[i*3+2], LO16((uint32)pwm_data_ptr + i*32 + 16 ), LO16((uint32)`$INSTANCE_NAME`_SHIFT_REG_FIFO));
}
CyDmaChSetInitialTd(`$INSTANCE_NAME`_DMA_Chan, DMA_TD[0]);
CyDmaChEnable(`$INSTANCE_NAME`_DMA_Chan, 1);
}
/*******************************************************************************
* Function Name: DmaRxConfiguration
********************************************************************************
* Summary:
* Configures the DMA transfer for RX direction
*
* Parameters:
* None.
*
* Return:
* None.
*
*******************************************************************************/
void DmaRxConfiguration()
{
/* Init DMA, 1 byte bursts, each burst requires a request */
rxChannel = DMA_RX_DmaInitialize(DMA_RX_BYTES_PER_BURST, DMA_RX_REQUEST_PER_BURST,
HI16(DMA_RX_SRC_BASE), HI16(DMA_RX_DST_BASE));
rxTD = CyDmaTdAllocate();
/* Configure this Td as follows:
* - Increment the destination address, but not the source address
*/
CyDmaTdSetConfiguration(rxTD, BUFFER_SIZE, CY_DMA_DISABLE_TD, TD_INC_DST_ADR);
/* From the SPIM to the memory */
CyDmaTdSetAddress(rxTD, LO16((uint32)SPIM_RXDATA_PTR), LO16((uint32)rxBuffer));
/* Associate the TD with the channel */
CyDmaChSetInitialTd(rxChannel, rxTD);
}
void DMA_2_Config()
{
// Variable declarations for DMA_2
// Move these variable declarations to the top of the function
uint8 DMA_2_Chan;
uint8 DMA_2_TD[1];
// DMA Configuration for DMA_2
#define DMA_2_BYTES_PER_BURST 2
#define DMA_2_REQUEST_PER_BURST 1
#define DMA_2_SRC_BASE (CYDEV_PERIPH_BASE)
#define DMA_2_DST_BASE (CYDEV_SRAM_BASE)
DMA_2_Chan = DMA_2_DmaInitialize(DMA_2_BYTES_PER_BURST, DMA_2_REQUEST_PER_BURST, HI16(DMA_2_SRC_BASE), HI16(DMA_2_DST_BASE));
DMA_2_TD[0] = CyDmaTdAllocate();
CyDmaTdSetConfiguration(DMA_2_TD[0], n*2, DMA_INVALID_TD, TD_SWAP_EN | DMA_2__TD_TERMOUT_EN | TD_INC_SRC_ADR | TD_INC_DST_ADR);
CyDmaTdSetAddress(DMA_2_TD[0], LO16((uint32)Filter_1_HOLDAM_PTR), LO16((uint32)V_Sample));
CyDmaChSetInitialTd(DMA_2_Chan, DMA_2_TD[0]);
CyDmaChEnable(DMA_2_Chan, 1);
}
void DMA_1_Config()
{
// Variable declarations for DMA_1
// Move these variable declarations to the top of the function
uint8 DMA_1_Chan;
uint8 DMA_1_TD[1];
// DMA Configuration for DMA_1
#define DMA_1_BYTES_PER_BURST 2
#define DMA_1_REQUEST_PER_BURST 1
#define DMA_1_SRC_BASE (CYDEV_PERIPH_BASE)
#define DMA_1_DST_BASE (CYDEV_PERIPH_BASE)
DMA_1_Chan = DMA_1_DmaInitialize(DMA_1_BYTES_PER_BURST, DMA_1_REQUEST_PER_BURST, HI16(DMA_1_SRC_BASE), HI16(DMA_1_DST_BASE));
DMA_1_TD[0] = CyDmaTdAllocate();
CyDmaTdSetConfiguration(DMA_1_TD[0], 2, DMA_INVALID_TD, TD_INC_DST_ADR);
CyDmaTdSetAddress(DMA_1_TD[0], LO16((uint32)ADC_DelSig_1_DEC_SAMP_PTR), LO16((uint32)Filter_1_STAGEAM_PTR));
CyDmaChSetInitialTd(DMA_1_Chan, DMA_1_TD[0]);
CyDmaChEnable(DMA_1_Chan, 1);
}
void Configure_DMA(){
ADC2Filter_DMA_Chan = ADC2Filter_DMA_DmaInitialize(ADC2Filter_DMA_BYTES_PER_BURST, ADC2Filter_DMA_REQUEST_PER_BURST,
HI16(ADC2Filter_DMA_SRC_BASE), HI16(ADC2Filter_DMA_DST_BASE));
ADC2Filter_DMA_TD[0] = CyDmaTdAllocate();
ADC2Filter_DMA_TD[1] = CyDmaTdAllocate();
CyDmaTdSetConfiguration(ADC2Filter_DMA_TD[0], 2, ADC2Filter_DMA_TD[1], TD_AUTO_EXEC_NEXT);
CyDmaTdSetConfiguration(ADC2Filter_DMA_TD[1], 2, ADC2Filter_DMA_TD[0], ADC2Filter_DMA__TD_TERMOUT_EN);
CyDmaTdSetAddress(ADC2Filter_DMA_TD[0], LO16((uint32)ADC_DelSig_1_DEC_SAMP_PTR), LO16((uint32)Filter_STAGEA_PTR));
CyDmaTdSetAddress(ADC2Filter_DMA_TD[1], LO16((uint32)ADC_DelSig_1_DEC_SAMP_PTR), LO16((uint32)Filter_STAGEB_PTR));
CyDmaChSetInitialTd(ADC2Filter_DMA_Chan, ADC2Filter_DMA_TD[0]);
CyDmaChEnable(ADC2Filter_DMA_Chan, 1);
/*Second buffer*/
DMA_2_Chan = DMA_2_DmaInitialize(DMA_2_BYTES_PER_BURST, DMA_2_REQUEST_PER_BURST,
HI16(DMA_2_SRC_BASE), HI16(DMA_2_DST_BASE));
DMA_2_TD[0] = CyDmaTdAllocate();
CyDmaTdSetConfiguration(DMA_2_TD[0], buffersize, CY_DMA_DISABLE_TD /* DMA_2_TD[0]*/, DMA_2__TD_TERMOUT_EN | TD_INC_SRC_ADR | TD_INC_DST_ADR);
CyDmaTdSetAddress(DMA_2_TD[0], LO16((uint32)ADC_samples), LO16((uint32)Buffer_samples));
CyDmaChSetInitialTd(DMA_2_Chan, DMA_2_TD[0]);
CyDmaChEnable(DMA_2_Chan, 1);
/*First buffer*/
DMA_1_Chan = DMA_1_DmaInitialize(DMA_1_BYTES_PER_BURST, DMA_1_REQUEST_PER_BURST,
HI16(DMA_1_SRC_BASE), HI16(DMA_1_DST_BASE));
DMA_1_TD[0] = CyDmaTdAllocate();
CyDmaTdSetConfiguration(DMA_1_TD[0], buffersize,/* CY_DMA_DISABLE_TD*/ DMA_1_TD[0], DMA_1__TD_TERMOUT_EN | TD_INC_DST_ADR);
CyDmaTdSetAddress(DMA_1_TD[0], LO16((uint32)Filter_HOLDA_PTR), LO16((uint32)ADC_samples));
CyDmaChSetInitialTd(DMA_1_Chan, DMA_1_TD[0]);
CyDmaChEnable(DMA_1_Chan, 1);
DMA_3_Chan = DMA_3_DmaInitialize(DMA_3_BYTES_PER_BURST, DMA_3_REQUEST_PER_BURST,
HI16(DMA_3_SRC_BASE), HI16(DMA_3_DST_BASE));
DMA_3_TD[0] = CyDmaTdAllocate();
CyDmaTdSetConfiguration(DMA_3_TD[0], buffersize, DMA_3_TD[0], DMA_3__TD_TERMOUT_EN | TD_INC_DST_ADR);
CyDmaTdSetAddress(DMA_3_TD[0], LO16((uint32)Filter_HOLDB_PTR), LO16((uint32)LPF_samples));
CyDmaChSetInitialTd(DMA_3_Chan, DMA_3_TD[0]);
CyDmaChEnable(DMA_3_Chan, 1);
DMA_4_Chan = DMA_4_DmaInitialize(DMA_4_BYTES_PER_BURST, DMA_4_REQUEST_PER_BURST,
HI16(DMA_4_SRC_BASE), HI16(DMA_4_DST_BASE));
DMA_4_TD[0] = CyDmaTdAllocate();
CyDmaTdSetConfiguration(DMA_4_TD[0], buffersize, CY_DMA_DISABLE_TD /*DMA_4_TD[0]*/, DMA_4__TD_TERMOUT_EN | TD_INC_SRC_ADR | TD_INC_DST_ADR);
CyDmaTdSetAddress(DMA_4_TD[0], LO16((uint32)LPF_samples), LO16((uint32)LPF_buffer));
CyDmaChSetInitialTd(DMA_4_Chan, DMA_4_TD[0]);
CyDmaChEnable(DMA_4_Chan, 1);
}
void Camera_Start()
{
Camera_SIOD_SetDriveMode(Camera_SIOD_DM_RES_UP); //turn on pull-up resistors on I2C pins
Camera_SIOC_SetDriveMode(Camera_SIOC_DM_RES_UP);
Camera_I2C_Start();
Camera_WriteReg(0x12,0x80); //reset
CyDelay(1);
uint16 i;
for(i=0;Camera_settings[i][0]!=0xff;i++) Camera_WriteReg(Camera_settings[i][0],Camera_settings[i][1]); //camera settings
for(i=0;Camera_format[i]!=0xff;i++) Camera_WriteReg(Camera_format[i],Camera_qcif[i]); //qcif format (176x144)
uint8 (*buffer)[BUFFER_SIZE]=(uint8(*)[BUFFER_SIZE])Camera_framebuffer; //recast buffer for easier arithmetic
DMA_channel=Camera_DMA_DmaInitialize(1,1,HI16(CYDEV_PERIPH_BASE),HI16(CYDEV_SRAM_BASE)); //peripheral -> SRAM
for(i=0;i<sizeof DMA_TD;i++) //set up TDs
{
DMA_TD[i]=CyDmaTdAllocate();
CyDmaTdSetAddress(DMA_TD[i],LO16(Camera_FIFO_dp__F0_REG),LO16((uint32)buffer[i]));
if(i) CyDmaTdSetConfiguration(DMA_TD[i-1],BUFFER_SIZE,DMA_TD[i],TD_INC_DST_ADR);
}
CyDmaChPriority(DMA_channel,0); //ensure highest priority for DMA channel
}
void Camera_Stream()
{
CyDmaTdSetConfiguration(DMA_TD[sizeof(DMA_TD)-1],BUFFER_SIZE,DMA_TD[0],TD_INC_DST_ADR); //loop TDs
DMA_Start();
}
void Camera_GetFrame()
{
CyDmaTdSetConfiguration(DMA_TD[sizeof(DMA_TD)-1],BUFFER_SIZE,CY_DMA_DISABLE_TD,TD_INC_DST_ADR); //disable DMA channel after last TD completes
DMA_Start();
}
/*******************************************************************************
* Function Name: USBFS_1_LoadInEP
********************************************************************************
*
* Summary:
* Loads and enables the specified USB data endpoint for an IN interrupt or bulk
* transfer.
*
* Parameters:
* epNumber: Contains the data endpoint number.
* Valid values are between 1 and 8.
* *pData: A pointer to a data array from which the data for the endpoint space
* is loaded.
* length: The number of bytes to transfer from the array and then send as a
* result of an IN request. Valid values are between 0 and 512.
*
* Return:
* None.
*
* Reentrant:
* No.
*
*******************************************************************************/
void USBFS_1_LoadInEP(uint8 epNumber, const uint8 pData[], uint16 length)
{
uint8 ri;
reg8 *p;
#if(USBFS_1_EP_MM == USBFS_1__EP_MANUAL)
uint16 i;
#endif /* End USBFS_1_EP_MM == USBFS_1__EP_MANUAL */
if((epNumber > USBFS_1_EP0) && (epNumber < USBFS_1_MAX_EP))
{
ri = ((epNumber - USBFS_1_EP1) << USBFS_1_EPX_CNTX_ADDR_SHIFT);
p = (reg8 *)(USBFS_1_ARB_RW1_DR_IND + ri);
#if(USBFS_1_EP_MM != USBFS_1__EP_DMAAUTO)
/* Limits length to available buffer space, auto MM could send packets up to 1024 bytes */
if(length > (USBFS_1_EPX_DATA_BUF_MAX - USBFS_1_EP[epNumber].buffOffset))
{
length = USBFS_1_EPX_DATA_BUF_MAX - USBFS_1_EP[epNumber].buffOffset;
}
#endif /* End USBFS_1_EP_MM != USBFS_1__EP_DMAAUTO */
/* Set the count and data toggle */
CY_SET_REG8((reg8 *)(USBFS_1_SIE_EP1_CNT0_IND + ri),
(length >> 8u) | (USBFS_1_EP[epNumber].epToggle));
CY_SET_REG8((reg8 *)(USBFS_1_SIE_EP1_CNT1_IND + ri), length & 0xFFu);
#if(USBFS_1_EP_MM == USBFS_1__EP_MANUAL)
if(pData != NULL)
{
/* Copy the data using the arbiter data register */
for (i = 0u; i < length; i++)
{
CY_SET_REG8(p, pData[i]);
}
}
USBFS_1_EP[epNumber].apiEpState = USBFS_1_NO_EVENT_PENDING;
/* Write the Mode register */
CY_SET_REG8((reg8 *)(USBFS_1_SIE_EP1_CR0_IND + ri), USBFS_1_EP[epNumber].epMode);
#else
/* Init DMA if it was not initialized */
if(USBFS_1_DmaTd[epNumber] == DMA_INVALID_TD)
{
USBFS_1_InitEP_DMA(epNumber, pData);
}
#endif /* End USBFS_1_EP_MM == USBFS_1__EP_MANUAL */
#if(USBFS_1_EP_MM == USBFS_1__EP_DMAMANUAL)
USBFS_1_EP[epNumber].apiEpState = USBFS_1_NO_EVENT_PENDING;
if((pData != NULL) && (length > 0u))
{
/* Enable DMA in mode2 for transferring data */
(void) CyDmaChDisable(USBFS_1_DmaChan[epNumber]);
(void) CyDmaTdSetConfiguration(USBFS_1_DmaTd[epNumber], length, CY_DMA_DISABLE_TD,
TD_TERMIN_EN | TD_INC_SRC_ADR);
(void) CyDmaTdSetAddress(USBFS_1_DmaTd[epNumber], LO16((uint32)pData), LO16((uint32)p));
/* Enable the DMA */
(void) CyDmaChSetInitialTd(USBFS_1_DmaChan[epNumber], USBFS_1_DmaTd[epNumber]);
(void) CyDmaChEnable(USBFS_1_DmaChan[epNumber], 1u);
/* Generate DMA request */
* (reg8 *)(USBFS_1_ARB_EP1_CFG_IND + ri) |= USBFS_1_ARB_EPX_CFG_DMA_REQ;
* (reg8 *)(USBFS_1_ARB_EP1_CFG_IND + ri) &= ((uint8)(~USBFS_1_ARB_EPX_CFG_DMA_REQ));
/* Mode register will be written in arb ISR after DMA transfer complete */
}
else
{
/* When zero-length packet - write the Mode register directly */
CY_SET_REG8((reg8 *)(USBFS_1_SIE_EP1_CR0_IND + ri), USBFS_1_EP[epNumber].epMode);
}
#endif /* End USBFS_1_EP_MM == USBFS_1__EP_DMAMANUAL */
#if(USBFS_1_EP_MM == USBFS_1__EP_DMAAUTO)
if(pData != NULL)
{
/* Enable DMA in mode3 for transferring data */
(void) CyDmaChDisable(USBFS_1_DmaChan[epNumber]);
(void) CyDmaTdSetConfiguration(USBFS_1_DmaTd[epNumber], length,
USBFS_1_DmaTd[epNumber], TD_TERMIN_EN | TD_INC_SRC_ADR);
(void) CyDmaTdSetAddress(USBFS_1_DmaTd[epNumber], LO16((uint32)pData), LO16((uint32)p));
/* Clear Any potential pending DMA requests before starting the DMA channel to transfer data */
(void) CyDmaClearPendingDrq(USBFS_1_DmaChan[epNumber]);
/* Enable the DMA */
(void) CyDmaChSetInitialTd(USBFS_1_DmaChan[epNumber], USBFS_1_DmaTd[epNumber]);
(void) CyDmaChEnable(USBFS_1_DmaChan[epNumber], 1u);
}
else
{
USBFS_1_EP[epNumber].apiEpState = USBFS_1_NO_EVENT_PENDING;
if(length > 0u)
{
/* Set Data ready status, This will generate DMA request */
* (reg8 *)(USBFS_1_ARB_EP1_CFG_IND + ri) |= USBFS_1_ARB_EPX_CFG_IN_DATA_RDY;
/* Mode register will be written in arb ISR(In Buffer Full) after first DMA transfer complete */
}
else
{
/* When zero-length packet - write the Mode register directly */
CY_SET_REG8((reg8 *)(USBFS_1_SIE_EP1_CR0_IND + ri), USBFS_1_EP[epNumber].epMode);
}
}
#endif /* End USBFS_1_EP_MM == USBFS_1__EP_DMAAUTO */
}
/*******************************************************************************
* Function Name: OSC1_ADC_SAR_Enable
********************************************************************************
*
* Summary:
* Enables DMA channels, address selection counter and FSM of Base component
*
* Parameters:
* None.
*
* Return:
* None.
*
* Side Effects:
* None.
*
* Reentrant:
* No.
*
*******************************************************************************/
void OSC1_ADC_SAR_Enable(void)
{
uint8 enableInterrupts;
static int16 OSC1_ADC_SAR_tempArray[OSC1_ADC_SAR_NUMBER_OF_CHANNELS];
(void)CyDmaClearPendingDrq(OSC1_ADC_SAR_tempChan);
(void)CyDmaClearPendingDrq(OSC1_ADC_SAR_finalChan);
/* Provides initialization procedure for the TempBuf DMA
* Configure this Td as follows:
* - The TD is looping on itself
* - Increment the destination address, but not the source address
*/
if (OSC1_ADC_SAR_tempTD == DMA_INVALID_TD)
{
OSC1_ADC_SAR_tempTD = CyDmaTdAllocate();
}
(void) CyDmaTdSetConfiguration(OSC1_ADC_SAR_tempTD, OSC1_ADC_SAR_TEMP_TRANSFER_COUNT,
OSC1_ADC_SAR_tempTD, ((uint8)OSC1_ADC_SAR_TempBuf__TD_TERMOUT_EN | (uint8)TD_INC_DST_ADR));
/* From the SAR to the TempArray */
(void) CyDmaTdSetAddress(OSC1_ADC_SAR_tempTD, (uint16)(LO16((uint32)OSC1_ADC_SAR_SAR_DATA_ADDR_0)),
(uint16)(LO16((uint32)OSC1_ADC_SAR_tempArray)));
/* Associate the TD with the channel */
(void) CyDmaChSetInitialTd(OSC1_ADC_SAR_tempChan, OSC1_ADC_SAR_tempTD);
/* Provides initialization procedure for the FinalBuf DMA
* Configure this Td as follows:
* - The TD is looping on itself
* - Increment the source and destination address
*/
if (OSC1_ADC_SAR_finalTD == DMA_INVALID_TD)
{
OSC1_ADC_SAR_finalTD = CyDmaTdAllocate();
}
(void) CyDmaTdSetConfiguration(OSC1_ADC_SAR_finalTD, (OSC1_ADC_SAR_FINAL_BYTES_PER_BURST),
OSC1_ADC_SAR_finalTD, ((uint8)(OSC1_ADC_SAR_FinalBuf__TD_TERMOUT_EN) | (uint8)TD_INC_SRC_ADR |
(uint8)TD_INC_DST_ADR));
/* From the the TempArray to Final Array */
(void) CyDmaTdSetAddress(OSC1_ADC_SAR_finalTD, (uint16)(LO16((uint32)OSC1_ADC_SAR_tempArray)),
(uint16)(LO16((uint32)OSC1_ADC_SAR_finalArray)));
/* Associate the TD with the channel */
(void) CyDmaChSetInitialTd(OSC1_ADC_SAR_finalChan, OSC1_ADC_SAR_finalTD);
(void) CyDmaChEnable(OSC1_ADC_SAR_tempChan, 1u);
(void) CyDmaChEnable(OSC1_ADC_SAR_finalChan, 1u);
/* Enable Counter and give Enable pulse to set an address of the last channel */
enableInterrupts = CyEnterCriticalSection();
OSC1_ADC_SAR_CYCLE_COUNTER_AUX_CONTROL_REG |= ((uint8)(OSC1_ADC_SAR_CYCLE_COUNTER_ENABLE));
CyExitCriticalSection(enableInterrupts);
/* Enable FSM of the Base Component */
OSC1_ADC_SAR_CONTROL_REG |= ((uint8)(OSC1_ADC_SAR_BASE_COMPONENT_ENABLE));
OSC1_ADC_SAR_CONTROL_REG |= ((uint8)(OSC1_ADC_SAR_LOAD_COUNTER_PERIOD));
#if(OSC1_ADC_SAR_IRQ_REMOVE == 0u)
/* Clear a pending interrupt */
CyIntClearPending(OSC1_ADC_SAR_INTC_NUMBER);
#endif /* End OSC1_ADC_SAR_IRQ_REMOVE */
}
/*******************************************************************************
* Function Name: DMA_Config
********************************************************************************
*
* Summary:
* Initializes and sets up DMA for use (generated by DMA Wizard)
*
* Parameters:
* None.
*
* Return:
* None.
*
*******************************************************************************/
void DMA_Config(void)
{
/* Declare variable to hold the handle for DMA channel */
uint8 channelHandle;
/* Declare DMA Transaction Descriptor for memory transfer into
* Filter Channel.
*/
uint8 tdChanA;
/* Configure the DMA to Transfer the data in 1 burst with individual trigger
* for each burst.
*/
channelHandle = DMA_DmaInitialize(BYTES_PER_BURST, REQUEST_PER_BURST,
HI16(UPPER_SRC_ADDRESS), HI16(UPPER_DEST_ADDRESS));
/* This function allocates a TD for use with an initialized DMA channel */
tdChanA = CyDmaTdAllocate();
/* Configure the tdChanA to transfer 1 byte with no next TD */
CyDmaTdSetConfiguration(tdChanA, 1u, DMA_INVALID_TD, 0u);
/* Set the source address as ADC_DelSig and the destination as
* Filter Channel A.
*/
CyDmaTdSetAddress(tdChanA, LO16((uint32)ADC_DelSig_DEC_SAMP_PTR), LO16((uint32)Filter_STAGEAH_PTR));
/* Set tdChanA to be the initial TD associated with channelHandle */
CyDmaChSetInitialTd(channelHandle, tdChanA);
/* Enable the DMA channel represented by channelHandle and preserve the TD */
CyDmaChEnable(channelHandle, 1u);
uint8 DMA_1_Chan;
uint8 DMA_1_TD[1];
DMA_1_Chan = DMA_1_DmaInitialize(DMA_1_BYTES_PER_BURST, DMA_1_REQUEST_PER_BURST,
HI16(DMA_1_SRC_BASE), HI16(DMA_1_DST_BASE));
DMA_1_TD[0] = CyDmaTdAllocate();
CyDmaTdSetConfiguration(DMA_1_TD[0], buffersize, CY_DMA_DISABLE_TD, TD_INC_DST_ADR);
CyDmaTdSetAddress(DMA_1_TD[0], LO16((uint32)Filter_HOLDA_PTR), LO16((uint32)buffer));
CyDmaChSetInitialTd(DMA_1_Chan, DMA_1_TD[0]);
CyDmaChEnable(DMA_1_Chan, 1);
/* Variable declarations for DMA_2 */
/* Move these variable declarations to the top of the function */
uint8 DMA_2_Chan;
uint8 DMA_2_TD[1];
DMA_2_Chan = DMA_2_DmaInitialize(DMA_2_BYTES_PER_BURST, DMA_2_REQUEST_PER_BURST,
HI16(DMA_2_SRC_BASE), HI16(DMA_2_DST_BASE));
DMA_2_TD[0] = CyDmaTdAllocate();
CyDmaTdSetConfiguration(DMA_2_TD[0], 1, CY_DMA_DISABLE_TD, 0);
CyDmaTdSetAddress(DMA_2_TD[0], LO16((uint32)Filter_HOLDA_PTR), LO16((uint32)VDAC8_Data_PTR));
CyDmaChSetInitialTd(DMA_2_Chan, DMA_2_TD[0]);
CyDmaChEnable(DMA_2_Chan, 1);
}