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  1. Re: Our dearest friend has passed away. Bye Darrel...

    I have moved on to XC compilers but that does not change the fact that PBP and DT combination is what I owe my carrier to....And all the good people here. Thank you all.

    R.I.P DT
  2. Re: Our dearest friend has passed away. Bye Darrel...

    If you are doing serious PBP then you ought to use Darrrel's work. We will be ever grateful to you, Darrel.
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    Re: 2x16 LCD Graphics :)

    Cool, great videos :)
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    Re: 2x16 LCD Graphics :)

    Your Forum Inbox seems to be full. PM not going through.
  5. Replies
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    Re: 2x16 LCD Graphics :)

    I didn't find the source for your AWESOME 2D LCD Graphics on the link you provided. I do not do PBP much nowadays but your demo is so cool, I want to try it out.
    Cheers
  6. Re: Our dearest friend has passed away. Bye Darrel...

    RIP PBP Guru
    I was discussing some code with a friend of mine a little while ago and referred that my work was based on Darrel's work. I got the shocking news then.

    Although not pbp, still I...
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    Re: pic 16f72 based inverter source code

    Hi,
    I feel sorry that I am not being able to support this thread as I should and could not complete the conversion of my SMD design to Hobbyist version. (I wish though) Here are some quick tips that...
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    Re: sinusoidal PWM

    Hi,
    The MPLAB simulator has a Logic Analyzer like tool which can be used to visualize output pulses. However whether they are actually making up a sinewave or not needs to be determined offline as...
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    Re: Instant Interrupts - Revisited

    Hi,

    When using multiple interrupt sources you can prioritize which Interrupt flags to check when vectored to ISR, still the results may not be deterministic every time. Say you are already...
  10. Thread: sinusoidal PWM

    by sougata
    Replies
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    58,688

    Re: sinusoidal PWM

    Hi,
    The Standard Hardware PWM modules on the PICs are generally 10 bits CCPRxL (8 bits) plus the 2 LSBs being in the CCPxCON<5:4>. How many bits you can obtain from the PWM module is dependent on...
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    Re: Safe usage of PBP commands within ASM ISR

    Depending on your application, a short wake period (Higher Fosc) may not translate into the lowest average power drain. Optimizing your code and the oscillator frequency (which may not be the...
  12. Thread: LCD_AnyPin.pbp

    by sougata
    Replies
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    158,162

    Sticky: Re: LCD_AnyPin.pbp

    Hi,

    Another weird proposition.

    LCDOUT is a blocking command if I am not wrong and it would be great if a task/que scheduler like app could be designed. During command delay it wastes 2 ms. I...
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    Re: Safe usage of PBP commands within ASM ISR

    Well Darrel that is an important piece of suggestion. I am quite comfortable with assembler and the whole point is making the ISR more readable to PBPonly users. So the whole purpose gets lost when...
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    Re: Safe usage of PBP commands within ASM ISR

    Thanks Darrel for replying. Conditional branching, interrupt Flag testing and reload of Timer Values thus seems okay. How about moving bytes here and there. Like from the ADC registers to some...
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    Re: Safe usage of PBP commands within ASM ISR

    I already had the PIC16F1828 in mind



    and I was talking about its features :)
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    Safe usage of PBP commands within ASM ISR

    Hi All,

    I initially did my Sinewave inverter in PIC18F, then came up with a version on 16F entirely built on ASM (later C+ASM). Now the goal is to make one for the proposed Wiki in PBP+ASM.
    ...
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    Re: sine wave inverter

    Homebrewing !! That is the whole idea so I made the MOS-PCB single sided. Hope I can manage the processor module to be same.
  18. Replies
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    Re: sine wave inverter

    Update:

    Some progress has been made on the modular MOS-BRIDGE PCB. Uses 2x4= 8 MOSFETs mounted on general heatsink driven by 2xIR2110. Employs RdsON based over current detection to switch off...
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    Re: sine wave inverter

    Hi,

    I am gearing up for the sinewave wiki however at this moment I cannot release any MPPT code.
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    Re: Zener on input pin OK ?

    Hi,

    Darrel and myself once tried to profile the leakage and breakdown of the zener diodes on the analog pin. For faster acquisitions of the s/h cap a low impedance path is always preferred to the...
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    Re: sine wave inverter

    Hi iw2fvo,

    Since I do commercial designs they are generally a client's property which I cannot publicly distribute. So to produce a Sinewave Inverter the hardware itself could be a great obstacle....
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    Re: Sine wave power inverter

    Hi Norm,

    Producing the sinewave is not the issue. It is just a counter >> Lookup table >> HPWM not much code indeed. However for a Power Bridge to be driven a lot more needs to be done. So if an...
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    Re: Sine wave power inverter

    Hi,

    The application domain for the AD9833 is much wider than the scope of a sinewave inverter. It is majorly used as a function generator. Since we would be producing either 50Hz or 60 Hz it would...
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    Re: sine wave inverter

    Hi,

    I do not have a complete design in PBP. My initial design based on 18F452 was a commercial flop so I had to develop one on 16F72/73. Since my initial design there has been a number of...
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    Re: sine wave inverter

    Hi,
    With the above diagram. The Bridge Rectifier part from the AC mains turns it into an online UPS and needs to be controlled type for steady DC Bus Voltage. As already mentioned if the DC bus...
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