PSoC™ 4 Forum Discussions

According to  the explanation of CySysClkEcoStart(uint32 timeoutUs), timeoutUs : Timeout in microseconds. Is there any reference guide for the chip of CY8C4247LQI-BL483? Another question is, if this timeoutUs = 2ms, which usage should I choose, CySysClkEcoStart(2) or CySysClkEcoStart(2000)?

Hello.

I am trying to develop an application in which the processor is awaken from deep-sleep mode via an external GPIO interrupt, I am facing some problems with the same.

I believe since nested vector interrupts are enabled, the program control jumps from the Cy_Bless_ISR and the ADXL_ISR. Is there any way in which the system can go to main after the external interrupt ISR has been serviced.

Hi,  I want to know the status of  PWM outputs when I enter into deepsleep mode? All zero or HiZ or something else? How do they perform when I close the clock of PWM module?

www.cypress.com/

Regards, Dana.

We are migrating a Optical Heart Rate Monitor project from PSOC 4 BLE to PSOC 4 and are getting an error apr.M0003:Unable to find solution for the analog routing.

We were working on this project and we changed the pin numbers to suit PSOC 4200M .

Kindly help us with this asap. 

Thanks 🙂

Hi:

Right now with my CY8CKIT-049-42xx, I am trying to see how fast can be the transmission of an array of uint8,  so I am using a TCPWM in a Timer configuration just to use the its interruption service routine so send an array of 40 elements with the help of  UART v3.0 element. Because of the need to send the data to the computer as fast as possible, I have configured the UART to 115200 bps (the max. speed of the PC) and TX buffer size of 256 Bytes. I am using putty to analyze the received data, and it work fine when I use transmission periods equal or longer than 800 milliseconds.

This is weird isn't it?

I have configured the Baud Rate  to 115200 bps and further I am using a large TX Buffer.  Theoretically I can send 11520 bytes in 1 second (This knowing that I am sending  the start bit, the info byte and stop bit).

I have check my ISR, but I don´t find any mistake...

uint8_t arr2[]= {97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,97,98,99,100,101,102,103,104};

CY_ISR(timer_isr)

{

    uint32 source;

    source = Timer_GetInterruptSourceMasked();         

    //Sending the data

    LED_1_Write(!LED_1_Read());                        //the change of the led state is an indicator of the begin of the array transmission

    UART_SpiUartPutArray(arr2,sizeof(arr2));

    Timer_ClearInterrupt(source);

}

I would appreciate any help or advice in this matter, because I really need a faster transmission.

Greetings.

Martín

P.S. I am attachind the UART and Timer configuration as a PNG.

Hello ,

we have a medical application demanding for AM modulated signal generation with

Carrier freq :- 2500Hz or 4000Hz, Modulating signal of 50Hz with 10% modulation and also we need it to have digitally controlled overall output in range of 0 to 1V in 20 steps .. our application demands BLE connectivity with smallest size as possible. so i cant opt for so much external components...we have selected EZ-BLE module...but it lacks programmable blocks, but it has a mixer component...we need help on Amplitude modulation signal generation with output amplitude control.Thank u.