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Recent content by anand003

  1. A

    LCD code works only in debugging mode not out of debugging.

    1. It works in debug mode, which shows that the data timing and bus timing is correct!!.( further to confirm will cross verify). 2.If the debug mode and the normal mode works same clock speed ..should work in both conditions....!!!??
  2. A

    LCD code works only in debugging mode not out of debugging.

    I have tried with nop function and delays there seems to be no success. I am attaching picture to understand the problem better the pic 1 while working in debugging ( even in continuous run ) but fails to run in normal condition without emulator connected. Pic2
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    LCD code works only in debugging mode not out of debugging.

    hello horace1, Thanks for replying Even though I tried playing with delays, I didn't tried delaying enable signal will try that and update
  4. A

    LCD code works only in debugging mode not out of debugging.

    Hi, I need some help to fix code issues on LCD 16X2 which I have implemented for MSP430F5132 controller.(see the attachment ) . And it is seem to be working only while debugging, i.e it is displaying characters while debugging not after coming out from debugging. I guess the issue is related...
  5. A

    Need Help to learn Embedded Systems

    https://books.google.co.in/books?id=8hfn4gwR90MC&printsec=frontcover#v=onepage&q&f=false A good book, can teach you lot stuffs from base. Mixed with practical and theoretical approach.
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    How to prepare SRS for microcontroller based design

    Hi All How to prepare Software Requirement Specification for micro-controller based design? I understand that it is made in the beginning. I used to do the excel sheet for my clock requirement,memory requirement, Timer,CCR and DMA requirement and controller selection And all the...
  7. A

    Modbus protocol in dspic33f

    Hi, Can anybody share code for modbus protocol in dspic33f. I am trying to communicate with PC to monitor 40 DSPIc based system. DSpic will be implemented with RS458. Thanks in advance for the help, Anand
  8. A

    Voltage monitoring with PIC18F458

    you can adjust the value of resisters R2 and R3, use a pot to adjust the voltage to the pin AN2 use the equation vout ( AN2) =Vin * R3/(R2+R3) hope this helps...
  9. A

    solar pannel system help

    It would be a great idea if introduce a solar micro inverter with solar battery charging facility. so there will be minimum intervention of utilization of power. when there is solar and not using it can be charged to the battery and if the load is available it will be directly converted to AC...
  10. A

    AC Sensing with microcontroller dspic30f5011

    Hi I was mentioning the DC offset voltage your seeing at the adc that you should subtract from the actual reading and take it to the RMS averaging.
  11. A

    changing pwm output by adc

    Hi abinesh , Try updating the " CCPR1L" reg just after "read_adc()" like below while(1) { read_adc(); CCPR1L=pw; if(val>temp) { pw--; ... ... .... ....}
  12. A

    AC Sensing with microcontroller dspic30f5011

    Yes I agree with Tirumala Rao, RMS calcuation method is best, and I also use the same. The DC offset clamping voltage you should subtractfrom the actual read value in the firmware, and the adc sampling period also should be high.
  13. A

    I 2C with STM32 and MSP430 is that possible

    Hi all, I have to boards with different controller makes "MSP430" and "STM32" is ti possible share data between these two through I2C and if any one can help me with code will be appreciated.
  14. A

    AC Sensing with microcontroller dspic30f5011

    If I am right,I guess the 2.5 volts DC is the offset voltage and the AC your mentioning (0.94 v ) is the added voltage to it due to Ac voltage variation, my suggestion is, you may have to adjust the gain of the opamp by adjusting feedback resistor in the hardware circuit to get better response...
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    changing pwm output by adc

    The logic seems to be correct, what is that exactly your problem..? please be specific, you are not able to update the " CCPR1L" reg. is that ur problem?
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