I don't know if this will solve your problem but you have declared 'dump' as having 2 elements (char dump[2]), in your code you are dealing with 3 elements (dump[0], dump[1], dump[2]). I haven't tried it but the compiler should flag an error in this situation, so you could try one of these solutions...

Crocu, you have only done half the calculation - after the division you then need to take care of the remainder, have a look at the modulus operator (%) in the help files.

What a great thread, thanks to Womai and everyone else for their input.

I know that I'm going to face this problem eventually, now it's going to be much easier! Thanks again.

we sometimes forget the 2 are simultaneous on SPI. Whilst I don't disagree, in the realm of PIC's and MikroC we are very much confined to the read and write sequence, indeed many SPI devices are made to behave in this way. I have worked with true duplex devices but only when interfaced to FPGA with...

Code?

It seems that for every rule there's an exception! Sorry if I created any confusion.

Well done Olivia, I knew you would crack it eventually!

Put the SD card on the hardware MSSP port and use standard SPI comms, you can put the RTC on any other port and use Soft_I2C functions to handle the comms. BTW, use the PIC4520 which has replaced the old PIC452.

status=Spi1_Read(cmd); //this way I send out the command byte and receive the header byte in the same time I think that you have misunderstood the operation of SPI, although SPI is a bi-directional protocol you cannot read and write bytes simultaneously. If you look at the block diagram of the PIC'...

+1 for the link Sparky, however I have a feeling that they will be quite expensive!

For a cheaper solution, ultrasonic rangefinders used by robot builders are cheaper and easier to use...

http://www.coolcomponents.co.uk/catalog ... Path=36_60

The signal sequence for the shift register is as follows... http://i140.photobucket.com/albums/r19/sobrietytest/SRseq.jpg The data and clock can be taken directly from the SPI port (MOSI & SCLK), unfortunately the CS signal will not be any use because it 'frames' the SPI data and does not conform to...

In case you got confused by braus' reply, it goes like this... short temp; int V; V = Eeprom_Read(0x32); //temp = 0x0003 V = V << 8; //V = 0x0300, i.e. the value gets bitshifted 8 binary places to the left temp = Eeprom_Read(0x33); //temp = 0x00FF V = V + temp; //V = 0x03FF

Any suggestions? Yes, don't use an RTCC for this application! You're going to run into all sorts of bother with the maths especially if the generator is running across midnight on New Years Eve. Maxim make chips exactly for this purpose, such as the DS1682 (http://datasheets.maxim-ic.com/en/ds/DS16...

C also uses the 'goto' operator and there are a number of other methods for escaping loops on a conditional requirement, have a look at the break command and switch/case conditional, they are all detailed in the compiler help files. However, C also has some rules regarding re-entrancy, in many cases...

Read the help files.

UART1_Write_Text("Hello World");