GP2 on a 10F202 as output

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- 6th January 2007, 19:43
mat janssen

GP2 on a 10F202 as output

I read the whole datasheet of the 10F202 and I did not succeed in finding how to set GP2 as an output.
When I put a led via a resistor at GP0, GP1 and GP2 only the GP0 and GP1 leds are working the led on GP2 remains off. (not broken).
See small example.
What do I forget ??

Code:

'test voor 10f202 @ DEVICE PIC10F202,INTRC_OSC @ DEVICE PIC10F202,MCLR_OFF @ DEVICE PIC10F202,PROTECT_OFF @ DEVICE PIC10F202,WDT_OFF DEFINE OSC 4 TRISIO = %00000000 OSCCAL.0 = 0 UIT1 VAR GPIO.0 UIT2 VAR GPIO.1 UIT3 VAR GPIO.2 IN1 VAR GPIO.3 BEGIN: IF IN1 = 0 Then UIT1 = 0 UIT2 = 1 UIT3 = 0 EndIF IF IN1 = 1 Then UIT1 = 1 UIT2 = 0 UIT3 = 1 EndIF GoTo BEGIN
- 6th January 2007, 20:47
skimask

Quote:

Originally Posted by mat janssen

I read the whole datasheet of the 10F202 and I did not succeed in finding how to set GP2 as an output.
When I put a led via a resistor at GP0, GP1 and GP2 only the GP0 and GP1 leds are working the led on GP2 remains off. (not broken).
See small example.
What do I forget ??

Code:

'test voor 10f202 @ DEVICE PIC10F202,INTRC_OSC @ DEVICE PIC10F202,MCLR_OFF @ DEVICE PIC10F202,PROTECT_OFF @ DEVICE PIC10F202,WDT_OFF DEFINE OSC 4 TRISIO = %00000000 OSCCAL.0 = 0 UIT1 VAR GPIO.0 : UIT2 VAR GPIO.1 : UIT3 VAR GPIO.2 : IN1 VAR GPIO.3 BEGIN: IF IN1 = 0 Then UIT1 = 0:UIT2 = 1:UIT3 = 0 EndIF IF IN1 = 1 Then UIT1 = 1:UIT2 = 0:UIT3 = 1 EndIF GoTo BEGIN

10F202 datasheet (DS41239A)....page 21 (Section 4.6) and page 37 (Section 8.0) will give you all the answers you need.
- 7th January 2007, 11:42
mister_e

i'll bet on

Code:

OPTION_REG.5=0
- 7th January 2007, 12:03
mat janssen

@ Skimask:
I read that part. Thats why I put in the programm :OSCCAL.0 = 0

@ Mister_e:
You win the price. That helped.
I read also that the option reg bit 5 should be 0 , but I wrote at that time in my programm OPTION.5 = 0 , and the compile gave me an error. I forgot to type it in the correct way.
Thanks.
Regards
Mat
- 7th January 2007, 12:11
mister_e

yup OPTION.5 won't work unless you decide to redefine it

Code:

@OPTION=OPTION_REG OPTION VAR BYTE EXT ' or the simple one OPTION VAR OPTION_REG

Doesn't help if you don't know OPTION_REG ;)

In this case you could still open the filename.ASM file, there you'll have...

Code:

R0 EQU RAM_START + 000h R1 EQU RAM_START + 002h R2 EQU RAM_START + 004h FLAGS EQU RAM_START + 006h R4 EQU RAM_START + 007h R3 EQU RAM_START + 008h GOP EQU RAM_START + 00Ah OPTION_REG EQU RAM_START + 00Bh RM1 EQU RAM_START + 00Ch RR1 EQU RAM_START + 00Dh SOFT_STACK_PTR EQU RAM_START + 00Eh TRISIO EQU RAM_START + 00Fh SOFT_STACK EQU RAM_START + 010h
- 7th January 2007, 12:23
mat janssen

I know, but still !!
- 21st January 2011, 01:04
n0yox

10f202

I can not seem to program a 10f202 I always get "programming error at 0000" however if I read it I can write the info back to the chip?
- 21st January 2011, 04:52
mackrackit

Quote:

Originally Posted by n0yox

I can not seem to program a 10f202 I always get "programming error at 0000" however if I read it I can write the info back to the chip?

Code?
What are you reading from the chip ?
- 21st January 2011, 05:22
mister_e

Sound high likely an ICSP problem. Which programmer & Software?

Did you tried on a Ziff socket? Are your sure your ICSP circuit is properly implemented?
- 21st January 2011, 06:15
n0yox

10f202

I am using an epic plus programmer ver.4.22 and picbasicpro ver 2.50. I have a homemade programming adapter. I can read the blank chip "all 0fff" and the calibration register. I can load the hex file that I just read but can not load the hex files I create. I have no problem with other micros, however this is the only micro I just this program adapter with?

Thank you for your help!
- 21st January 2011, 06:32
n0yox

1 Attachment(s)

program adapter

I believe this is correct for the epic programmer?
- 21st January 2011, 07:10
mackrackit

What about the code you are trying to load?
- 21st January 2011, 19:49
n0yox

blinky code

@ DEVICE PIC10F202,INTRC_OSC
@ DEVICE PIC10F202,MCLR_OFF
@ DEVICE PIC10F202,PROTECT_OFF
@ DEVICE PIC10F202,WDT_OFF
DEFINE OSC 4

BEGIN:
high GPIO.0
pause 500
low GPIO.0
pause 500
GoTo BEGIN
- 21st January 2011, 19:59
mackrackit

@ device pic10f202,mclre_off
Could be a missing "e" ???
- 21st January 2011, 20:02
mackrackit

_MCLRE_ON EQU H'0FFF'
_MCLRE_OFF EQU H'0FEF'
_CP_ON EQU H'0FF7'
_CP_OFF EQU H'0FFF'
_WDT_ON EQU H'0FFF'
_WDT_OFF EQU H'0FFB'
_IntRC_OSC EQU H'0FFF'

Are the config options when using MPASM. PM might be different...