Hi,
I have 1 "arduino due" and ethernet shield 2 connected.
My software reset is caused by code:
#define SYSRESETREQ (1<<2)
#define VECTKEY (0x05fa0000UL)
#define VECTKEY_MASK (0x0000ffffUL)
#define AIRCR (*(uint32_t*)0xe000ed0cUL) // fixed arch-defined address
#define REQUEST_EXTERNAL_RESET (AIRCR=(AIRCR&VECTKEY_MASK)|VECTKEY|SYSRESETREQ);
if(xpto){
REQUEST_EXTERNAL_RESET //<<reset..
}
This code works fine, arduino restart but shield keep the lights on.
After run my code .. I have ethernet connection (computer ping ok) but my udp connection not work.
if (!Udp.beginPacket(ntpServer, 123)) Serial.println(F("beginPacket error")); >> OK
if (!Udp.write(packetBuffer, NTP_PACKET_SIZE)) Serial.println(F("write error")); >> OK
if (!Udp.endPacket()) Serial.println(F("endPacket error")); >> OK
//Wait to see if a reply is available
delay(500); //Adjust this delay for time server (effects accuracy, use shortest delay possible)
if (Udp.parsePacket())
{
}
Udp.parsePacket() return 0... why ??
It's possible to restart shield like when i press serial monitor button ??