DHCP Library Conflict X10 library

Projects Networking, Protocols, and Devices
1

Hello!, I'm using Dhcp library to get IP directly from dhcp server. It works well.

However, when I include X10 library, X10 module does not work. It works fine when I use X10 only.

There is somehow confliction between these library.

Anyone knows why?

Thanks

2

Don't know the X-10 lib, but an educated guess is that they share some resource e.g. SPI pins?

Ethernet-shield uses pin 10 -13 (10 = Slave Select) No two SPI devices may be selected at the same time, don't know what the X-10 lib does,
but as the libs are open source you could dive into the code to see...

3

robtillaart:
Don't know the X-10 lib, but an educated guess is that they share some resource e.g. SPI pins?

Ethernet-shield uses pin 10 -13 (10 = Slave Select) No two SPI devices may be selected at the same time, don't know what the X-10 lib does,
but as the libs are open source you could dive into the code to see...

Thanks for your information.

When I look at the codes,

EthernetDHCP library calls SPI.h (#include <SPI.h>), but X10 dose not include SPI.h. In this case, can I say X10 libaray does not use SPI? Or do I have to look at the library?

Can you let me know which specific parts of codes indicate that it uses SPI?

I'm sorry if the questions are not clear.

Thanks

4

I don't see any SPI in the X10 files. But this may be the problem, as robtillaart suggested:

x10::x10(int zeroCrossingPin, int dataPin)
{
  this->zeroCrossingPin = zeroCrossingPin;      // the zero crossing pin
  this->dataPin = dataPin;        				// the output data pin
  
  // Set I/O modes:
  pinMode(this->zeroCrossingPin, INPUT);
  pinMode(this->dataPin, OUTPUT);
}

When you call x10(x,y), what are those values? In the examples I found, it is pins 2 and 3.

5

SurferTim:
I don't see any SPI in the X10 files. But this may be the problem, as robtillaart suggested:

x10::x10(int zeroCrossingPin, int dataPin)

{
  this->zeroCrossingPin = zeroCrossingPin;      // the zero crossing pin
  this->dataPin = dataPin;        // the output data pin
 
  // Set I/O modes:
  pinMode(this->zeroCrossingPin, INPUT);
  pinMode(this->dataPin, OUTPUT);
}




When you call x10(x,y), what are those values? In the examples I found, it is pins 2 and 3.

Hello!, I have tested it with pin 10 and 11, with pin 2 and 3. Both does not work if I use both library.

So you are saying that it may be work if I use pin 2 and 3?

Just in case,I will test it again

I also think that it may be caused from 'out of memory' since DHCP library shows high memory consumption.

6

It may be memory, but for certain you can't use pin 10 for x10. That is the SPI enable/disable pin for the ethernet SPI interface.
2 and 3 would be best.

What does the compiler report for memory when it finished compiling your code?

7

SurferTim:
It may be memory, but for certain you can't use pin 10 for x10. That is the SPI enable/disable pin for the ethernet SPI interface.
2 and 3 would be best.

What does the compiler report for memory when it finished compiling your code?

When I compile the codes, it shows that

'Binary sketch size: 14726 bytes (of a 32256 byte maximum)'

So, I have just turned back to the beginning to make sure the whole process, I'm wiring stuffs again. :cold_sweat:

8

You should have plenty of memory. You are using less than half.

I know it is a pain to rewire stuff :frowning: , but if the result is everything works, it is worth it. :slight_smile:

9

SurferTim:
You should have plenty of memory. You are using less than half.

I know it is a pain to rewire stuff :frowning: , but if the result is everything works, it is worth it. :slight_smile:

Yes, thanks for your support. It should not be the difficult and complicated as I thought at the first time. :stuck_out_tongue: