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Thank You..

Return value works perfectly with the current program itself, I had not observed it properly. The last 13 bits are actually showing the status of the registers, but only if I write to ...

Thank You Experts...
I have changed approach as you suggested by you.
Also I am sending the register value twice which makes it happen.

But reading the register value back from the slave is a pro ...

Thank You for your grateful response.
I have changed the mode to MODE0. Still there are issues with SPI communication.

Need to understand more on how this SPI communication works.
Here in my code ...

Experts,
Please find program below:

#include "E:\EMBEDDED\PICDEM 2 PLUS Projects\SPI_L9942\SPI_L9942.h"

#use spi(MASTER, MODE=1, DO = PIN_C5, DI = PIN_C4, CLK = PIN_C3, baud = ...

Thanks for the great response.

Now there is a fractional 'pause' in the clock between byte #1, and byte #2, as the PIC SPI buffer is reloaded, but because of the synchronous nature this doesn't mat ...

Hello Experts,

I am quite new to SPI with PICs.
Please help me out with the basics of SPI communication.

PIC 16F877A datasheet mentions that SPI is for 8bits.

I want to communicate with L994 ...

I think switch bouncing and delay is the problem in my code.
Is it possible by using analog inputs?

#include <16F877A.h>
#device adc=8

#FUSES NOWDT //No Watch Dog Timer
#FUSES HS //High speed Osc (> 4mhz for PCM/PCH) (>10mhz for ...

-Usually a encoder type sensor is used for this purpose in bikes.
-I cannot use that in my bike as it costs high and also not posiible to mount.

-Yes...the code here is complicated as I have used ...

Sorry...
I have edited my post with code function.

I have used two DPDT press-release switches to find the gear shift in two wheelers. The idea is to scan the switches at each gear and relatively find the next. So I used a global declaration for integ ...

I got it working with the use of ! but I want to know why I don't get proper results without the use of it. I have also disabled the pull up resistors of PORT B and pulled down PIN B7 externally.
I t ...

#include <16F877A.h>
#FUSES HS
#FUSES NOWDT
#FUSES NOLVP

#case

#use delay(clock=20MHz)

#define LED PIN_B4
#define SWITCH1 PIN_B7

void port_b_pullups(char valu ...

I am a beginner.
Please post some examples for accessing the OPTION register and different ways of accessing the registers in PIC using CCS compiler.

Flex_LCD Driver also does not work for me!
But I was able to display in LCD using AT-168 controller with the same hardware.