helooo........

[tkly36]

' using pic16f84 and 4Mhz
`~~~~~~~~~~~~~~~~~~~~~~~~~```

INCLUDE "modedefs.bas"

w0 var word[2]
b0 var w0.byte0
b1 var w0.byte1

DEFINE OSC 4
pause 1000
start:

SerOut PORTA.3,t2400,["input a number",13,11]
serin PORTA.2,t2400,b0,b1
pause 1000

SerOut PORTA.3,t2400,[" the number are",w0,13,11]

where is my mistake?
i try to input a 2 number example '56'

the output only show '5' the first number that i input

what should i do to correct it

........

[mischl]

becuase i'm not sure without testing, try this :

SerOut PORTA.3,t2400,[" the first number is : ",b0,13,11]
SerOut PORTA.3,t2400,[" the second number is : ",b1,13,11]

if this works, you know that the w0 item only gives the first (low) byte back.
try then something like that : w0.byte0, wo.byte1 ....

[tkly36]

mischl thank you for the reply..

now i try to build a dc motor posisition control system..

the first thing i want to do is to make the PIC accept a number range from 1 to 360..

the problem is how the PIC will accept number from 1 to 360 in single variable..?

can any body show me some sample using STD...in serin2.?

please help me...

[mischl]

use a word instead a byte...

word = 16 bit = 2 byte

[tkly36]

sorry...

i still dont understand..
may be you can show me some correction on my coding...so i can learn...

[mischl]

take this elements in your code

number 	var 	word 	' a word sized variable with 2 bytes


	number = 350	' give them the max value for testing


	serout PORTA.3,t2400,[" the number are : ", number.byte0, number.byte1,13,11]

you receive now two values : 94 and 1. this two must be added

byte0 and byte1 has both a range from 0 to 255 (1byte = 8bit). but byte0 is the lowbyte and means really 0 to 255, but byte1 means how many times the value of 256. 256 is the value which is coming after 255 when byte0 is full.

some examples.

number = 0 : byte0 = 0, byte1 = 0 ' the minimum
number = 1 : byte0 = 1, byte1 = 0
number = 199 : byte0 = 199, byte1 = 0
number = 255 : byte0 = 255, byte1 = 0
number = 256 : byte0 = 0, byte1 = 1
number = 266 : byte0 = 10, byte1 = 1
number = 65536 : byte0 = 255, byte1 = 255 ' the maximum

[tkly36]

to mischi
thank you for helping me..
willing to help me to understand..

may god bless you...

[picster]

first of all, you've defined w0 as a 2 word array... and then later in the program you don't refer to the array element you want [0 or 1]. I think you need to drop the [2] part in your variable definitions, so you just have a standard single word variable.

I am confused as to what you're trying to output. You should get a word sized number out (56 should give you 1541 as a result).

-------------Picster--------------