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Found 8 results

  1. Hello everyone, i was exporting a library from arduino when i realized i needed a sleepMicroseconds alternative for delayMicroseconds. is there one? Thank you.
  2. I am using energia for my MSP430F5529LP microcontrolller when using delay(1000); in reality the delay becomes comes as 3.3 seconds. and my serial monitor was not working so i changed buad rate to 32000 and it worked as 9600*3.3= 31,680. The Microcontroller was working properly before. Is it because I used 3.1 as input , that pin is also a UCB0SOMI pin. or because i did't remove the jumper wires while using external supply. How can store the timer to original clock rate. Hope the issue is resolved
  3. I am developing a timeout / soft timer library for the MSP43x and would like to share it with you. It's still in the initial version, but all the functions are working. I'm developing and testing on MSP430F6736, but it worked fine on launchpad EXP430F5529LP. The library uses a timer to periodically generate ticks. In the base version developed by Felipe Lavratti, the timer-tick occur every 1us through a 32-bit timer (ARM Cotex). To avoid overloading the CPU I modified the code to accept longer time intervals and also functions to automatically calculate the Capture / Compare value of
  4. Hello, I am experiencing a frustrating problem which I couldn't find an answer to anywhere online so far, I apologize if a related question was posted before and I didn't find it. I have TI MSP-EXP430G2 Launchpad with an MSP430G2452 on it and I'm trying to upload a basic program (the Blink example) with Energia. After the program has been successfully uploaded the program is not run immediately on the chip and the led doesn't start blinking. Instead there is a long delay (30sec to a few minutes) between powering the device on and the start of the execution. There don't seem to
  5. Hello, I have a Stellaris Launchpad LM4F120XL, I am having troubles calculating delays. I set the System Clock to 20MHz with the following code "SysCtlClockSet(SYSCTL_SYSDIV_10 | SYSCTL_USE_PLL | SYSCTL_XTAL_16MHZ | SYSCTL_OSC_MAIN);". Now I want a 1 second delay, what is the formula I use to be able to calculate the correct number to pass as a parameter to the SysCtlDelay() function so it can give me a 1 seccond delay. Thank You
  6. Two problems with delayMicroseconds on Tiva (and I believe on CC3200) 1) The delay interval is erratic, appearently because delayMicroseconds does not handle rollovers of the systick counter correctly. 2) delayMicroseconds can not work for dealys longer that 10,000 microseconds. (Even though the documentation says that it works up to 16383, and even includes an example.) Details: Issue 1) Code to demonstrate problem: #define DELAY_FOR 5000 void setup() { Serial.begin(9600); Serial.print("Delay"); Serial.println(DELAY_FOR); Serial.print("elapsed tics should be: "); Se
  7. Hello, I was wondering if someone could help me create or find a delay function. I was thinking a 1ms delay function could work. I would like to have this, so that I can have some timed prompts on an LCD that I have working. Below is a fraction of my main.c I hope you guys can help me. main(){ LcdClrDisp(); LcdMoveCursor(1,4); LcdDispStrg("It is"); //-->Delay Function Here LcdClrDisp(); LcdMoveCursor(2,4); LcdDispStrg("Working :)"); //-->Delay Function Here } Thanks
  8. Hi again, maybe you guys are getting tire of me by now, but i'm trying to make the exercises and all what appears on the tutorial http://www.43oh.com/2010/08/10-beginner-msp430-tutorials-and-counting/. Well, i got count = contador(); for (j=1; j<count; j++){ P1OUT |= LED_L + LED_R; delayfun(); P1OUT &= ~(LED_L + LED_R); delayfun(); } it turns out that, it calls the function contador() normally and it do what it has to do, but when it has to call the function delayfun(), it skip it. and both of the functions are declared void delayfun (void); int unsigned contador (void); int main
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