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android

A couple of things 5. There is a clever way to have alternating red/green LEDs without using any 7400 series logic. I'll look it up and post later. Sorry for the delay. Here is the "clever way" I mentioned - as long as you don't mind having a continuous current draw i.e. when operating off batterie...

android

A couple of things 1. You have the IntToStr arguments the wrong way around 2. You should drive the relay using the transistor's collector (not the emitter) 3. You should put a protection diode across the relay coil or you'll more than likely fry your transistor when the current to the relay is turne...

android

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for(i = 0; i > 1500; i++ )

...means: set i to 0 and then do the following while i is greater than 1500.

Not going to happen.

Edit: same goes for

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for(i = 0; i > 6; i++) //Memory Error Starting Loop

android

I think

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TRISC = 0x01;

would be worth a try. I find that using bit notation makes settings clearer - for example:

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//        76543210  <-- Port number 
TRISC = 0b00000001; // 1=Input, 0=Output

android

Example 11-5 has

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BCF INTCON,GIE ; Disable ints so required sequences will execute properly

Was there a reason you didn't also do that?

android

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tmp == take - tmp;

...does not look right.

BTW, using code tags and proper indentation would make your code much easier to debug.

android

I've finally got around to fixing something that has been annoying me for a few years: having to count the bytes in USB string descriptors and set the length manually...then getting it wrong...then fixing it again...and experiencing the same pain for each new USB project :( Basically, what I do now ...

android

Hi Filip,

I just tried (and failed) again to upload txt attachments again. It gives an upload progress indicator but then ignores the attachments.
I zipped them and successfully uploaded the zip attachment however.

Cheers,
A.

android

Hi sushizang, I'm sure this is working for you for now, but I've run your HID descriptor through a HID descriptor checking tool that I've written and it has reported a few issues...which may or may not be important - it really depends on how forgiving the various operating system HID parsers are (or...

android

Or even this way... void sendDATA (char a) { unsigned char mask = 0b10000000; while (mask) { if (RB6_bit) { RB5_bit = a & mask; mask >>= 1; Delay_ms(2); } RB6_bit ^= 1; } } void main() { unsigned char bou = 0b00000000; ANSEL = 0; // pins are configured as digital I/O TRISA = 0xFF; // set direction t...

android

If you are talking about the red squiggly lines then turn the spell checker off.

android

A few tips: 1. For PIC18 devices, you should write to LAT registers and read from PORT registers (see example below). 2. Look at the *.lst file and you can see that the following if statement has been completely ignored (optimised away): if(TMR0IF == 1) I recommend using the _bit notation where poss...

android

You could rule out serial synchronisation issues by coding

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UART1_Write_Text("123456789");

android

The keyboard report descriptor looks ok, but the vendor defined descriptor *could* (I don't really know) be the problem. Currently you have defined: 0x06, 0x00, 0xFF, // (GLOBAL) USAGE_PAGE 0xFF00 Vendor-defined 0x09, 0x01, // (LOCAL) USAGE 0xFF000001 0xA1, 0x01, // (MAIN) COLLECTION 0x01 Applicatio...

android

...at the risk of starting yet another code style war, this is is an excellent example of why aligning curly brackets is so important (well worth the extra carriage return and line feed). For example, I think we all agree that this is pretty rubbish... void main() { for (k=1; k<20; k++) { // remain ...

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