PSoC™ 5, 3 & 1 Forum Discussions

Hello,

Is it possible to block (with timeout) till I get specified N bytes ?

Or must I poll this channel till I get all data I need ?

Thank you,

Zvika

I originally asked this question to the Cypress Sales team via email, and they informed me that the question was technical in nature and therefore that I should post to the community forum.

Therefore, we're using the CY8CKIT-059, but I only need the kitprog that comes with the kit due to size and weight constraints. I am interested in purchasing the kitprog independently so that I don't need to tear off the actual PSOC and throw it away. Does anyone know of a distributor or 3rd party manufacturer who supplies such a module? I haven't found any on the distributor's websites nor through some google-fu.

Any suggestions are much appreciated.

Hi all!

I'm having some bother with the DMA and understanding a few concepts. I've spent most of the weekend on this and can not get it working so turning to the trusted sages on here.

Basically I want to read in some 16bit values to , do something with them and pass them out again. So far I only have the Tx working with some sine wave test data but it would make my week if I could just pass Rx to Tx! I have the I2S block and DMA_1_ is connected to the Tx_DMA and DMA_2 to the Rx_DMA.

Thanks in advanced, code below.

#include "project.h" void DmaTxConfiguration(void); void DmaRxConfiguration(void); #define DMA_1_BYTES_PER_BURST 1 #define DMA_1_REQUEST_PER_BURST 1 #define DMA_1_SRC_BASE (CYDEV_SRAM_BASE) #define DMA_1_DST_BASE (CYDEV_PERIPH_BASE) /* DMA Configuration for RxDMA */ #define DMA_2_BYTES_PER_BURST       (1) #define DMA_2_REQUEST_PER_BURST     (1) #define DMA_2_SRC_BASE              (CYDEV_PERIPH_BASE) #define DMA_2_DST_BASE              (CYDEV_SRAM_BASE) #define LEN 101 int16_t inData[LEN]; int16_t outData[LEN]; int main(void) {     CyGlobalIntEnable; /* Enable global interrupts. */     Clock_1_Start();     I2S_1_Start();     I2C_1_Start();     isr_1_Start();         ADC_DelSig_1_Start();     codecConfig();     ADC_DelSig_1_StartConvert();         DmaTxConfiguration();     DmaRxConfiguration();         I2S_1_EnableRx();            while(0u != (I2S_1_ReadTxStatus() & I2S_1_TX_FIFO_0_NOT_FULL))     {/*wait*/}     I2S_1_EnableTx();   /* Enable Tx direction */         for(;;); } void DmaTxConfiguration(void) {     uint8 TxDMA_Chan;     uint8 TxDMA_TD[1u];        TxDMA_Chan = DMA_1_DmaInitialize(DMA_1_BYTES_PER_BURST, DMA_1_REQUEST_PER_BURST, HI16(DMA_1_SRC_BASE), HI16(DMA_1_DST_BASE));     TxDMA_TD[0u] = CyDmaTdAllocate();           CyDmaTdSetConfiguration(TxDMA_TD[0u],LEN, TxDMA_TD[0u], CY_DMA_TD_INC_SRC_ADR);     CyDmaTdSetAddress(TxDMA_TD[0u], LO16((uint32)inData), LO16((uint32)I2S_1_TX_CH0_F0_PTR));     CyDmaChSetInitialTd(TxDMA_Chan, TxDMA_TD[0u]);     CyDmaChEnable(TxDMA_Chan, 1u); } void DmaRxConfiguration(void) {     uint8 RxDMA_Chan;     uint8 RxDMA_TD[1u];        RxDMA_Chan = DMA_2_DmaInitialize(DMA_2_BYTES_PER_BURST, DMA_2_REQUEST_PER_BURST, HI16(DMA_2_SRC_BASE), HI16(DMA_2_DST_BASE));     RxDMA_TD[0u] = CyDmaTdAllocate();           CyDmaTdSetConfiguration(RxDMA_TD[0u],LEN, RxDMA_TD[0u], CY_DMA_TD_INC_DST_ADR);     CyDmaTdSetAddress(RxDMA_TD[0u], LO16((uint32)I2S_1_RX_CH0_F0_PTR), LO16((uint32)outData));     CyDmaChSetInitialTd(RxDMA_Chan, RxDMA_TD[0u]);     CyDmaChEnable(RxDMA_Chan, 1u); }

Hello,

I have some problem of sending or receiving data for rs232 port in Psoc 5lp development kit.

Have some solution regards this?

connection of this I am using re232 to usb cable. and also detected the port in my pc. But I can't communicate with serial terminal.

Which example I preferred for this?

I am using UART_Rx programme for that but I could not receive any data.

Hello. I wanted to be able to adjust the frequency of the WaveDAC8 with a resolution of 1Hz best case scenario via software while running. I know there are a lot of parameters like WaveDAC resolution, max waveform bandwidth etc, that can vary results, but for now I am happy with just approval of the following method in general.

Attached is a picture to adjust the frequency using a timer. It compiles and seems good so far. Is this a good method to achieve basic adjustment of the WaveDAC via software while running or is there a better method?

As mentioned in datasheet, the CSP package has different boost converter component requirements and I'm asked to contact Cypress support on how to use it.

Is there any guidelines on how to use the boost converter with CSP packaged PSoC5LP? The particular part I'm interested in is CY8C5888FNI-LP214.

The goal is to generate 5V from 2.5V input to drive a MOSFET gate driver (1nC charge*4ch, 4MHz --> 16mA).

Thanks,

Bo Gao

Currently I am taking 16 bit waveform data stored in an array, splitting it into two 8 bit bytes, and sending to two control registers. This works great, but I want the DMA to do this so I do not have to run the waveform in a forever loop. See the current wave generating code below.

while(1)

{

Wave_Data_MSB_Write(MSBData);

Wave_Data_LSB_Write(LSBData);

CyDelayCycles(var_delay);

i++;

}

Could someone guide me to do this with the DMA? I attached a picture of the control register set up... I placed DMAs as I think they would be used. I added Status regs but I do not think I even need them. I just want the data to stream over to the control registers. I will adjust the speed with the clocks after it is working...

I do not know what to do here...