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Hi,

It shames me to say, but I do not want to think about it. The point is (from a pn532 manual):

- LEN 1 byte indicating the number of bytes in the data field
(TFI and PD0 to PDn),
- LCS 1 ...

I did today reading rf-cards in pn532, here the link
$regfile = "m328pdef.dat"
$crystal = 16000000
$baud = 115200 ' use baud rate
$hwstack = ...

Hello,

I think that you should send an array of bytes, instead of string. Look below:

printbin array_of_bytes(1), N

where you start from 1-st byte and N is cout of bytes. Array might look lik ...

So i attach working code for reading "version info" from pn532 in i2c mode. Maybe someone use it ..

$regfile = "m328pdef.dat"
$crystal = 16000000
$baud = 115200 ...

Hello

I do some communication between ardunio uno and pm532 (rfid) via UART. With uno is connected also lcd 4*40 i2c. I attach my code, maybe it will be useful for someone. So far i did only readin ...

Hello,

I know from datasheet that pn532 has an address &H48. I also have it proven by i2c scanner.
So I thought that simply frame may look like:

asking:
-i2c address
-function

respon ...

Hello,

i\'m during bulding my project where need to use RFID/NFC PN532 13,56MHz I2C/SPI. I\'ve ordered one to test but meantime would like to learn about how to program it basing on i2c. I\'ve read ...

Thank you, exactly it goes about it!

I get driver from this thread:

Config Portd = Output
Data_disp_low Alias Portd \'DB0 --> DB7

but this lcd shield use also portb (0,1) and portd (2,3,4,5,6 ...

Ok, found it.

Hello

recently i have bought LCD TFT 2.8 with interface GPIO 8 bit, resolution:320x240, sc card, driver ILI9341 V0.7
(BASCOM-AVR version : 2.0.7.6 , Latest : 2.0.8.1 )

Hi,

there is no question, only want to show you my latest project (not completed, long way ahead). In this project few (will be five) atmega8s are to controll servomotors reading encoders, generat ...

Ok, sorry. But you were right that problem WAS in hardware. Now it works, i've described in my previous post what was bad. Thank you and good luck too Wink

You are right but this piece of code is not exactly what is in uC. This is only few lines copied/pasted (probably there i did mistake during pasteing) from the whole program to demonstarte the problem ...

Hello,

here i attach my simple code:

$regfile = "m8adef.dat"
$crystal = 8000000

Config Pinb.1 = Output 'step silnik2
silnik2 Alias Portb.1

config pinc.2=output
kier Alias Port ...