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 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);
}
/*******************************************************************************
* 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);
}
