Hello,
I’m using a Teensy 3.2 together with WIZ820io, and I use Ethernet library for W8200 (github.com/PaulStoffregen/Ethernet), and I’m able to send UDP packets.
My problem comes when I use a second SPI slave on my teensy (the first SPI slave is the WIZ820io), for controling the second SPI slave, I need to send/receive 2Bytes command like that :
digitalWrite(CSPin, LOW);
SPI.transfer (0x10);
SPI.transfer (ControlReg >> 8);
SPI.transfer (ControlReg & 0xFF);
digitalWrite(CSPin, HIGH);
This code works fine when I don’t use WIZ820io, but when I start it, my second slave does not respond.
Moreover, if I send 1Byte to my second slave, it works fine, for example :
digitalWrite(CSPin, LOW);
SPI.transfer (0x07);
SPI.transfer (div);
rxw=SPI.transfer(0);
digitalWrite(CSPin, HIGH);
Here is my setup code :
[code]pinMode(TESTPin, OUTPUT);
digitalWrite(TESTPin, LOW);
pinMode (CSPin, OUTPUT);
digitalWrite (CSPin, HIGH);
pinMode (CSNETPin, OUTPUT);
digitalWrite (CSNETPin, HIGH);
Ethernet.begin(mac,ip);
Udp.begin(localPort);
delay(2500);
SPI.setMOSI(MOSIpin);
SPI.setMISO(MISOpin);*/
SPI.begin();
SPI.setDataMode(SPI_MODE0);
SPI.setBitOrder(MSBFIRST);
pinMode(INTERPin, INPUT); [/code]
Thank you for your support.
Cheers.
Julien.