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Description: patch to work with libc 1.8.0 and gcc 4.7
Bug: http://andybrown.me.uk/wk/2012/04/28/avr-gcc-4-7-0-and-avr-libc-1-8-0-compiled-for-windows/
Bug-Debian: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=677294
Author: Andy Brown <http://andybrown.me.uk/wk/>
Index: arduino/hardware/arduino/cores/arduino/HardwareSerial.cpp
===================================================================
--- arduino.orig/hardware/arduino/cores/arduino/HardwareSerial.cpp 2013-03-18 22:15:41.175612317 -0400
+++ arduino/hardware/arduino/cores/arduino/HardwareSerial.cpp 2013-03-18 22:15:41.167612317 -0400
@@ -1,3 +1,5 @@
+#define __AVR_LIBC_DEPRECATED_ENABLE__
+
/*
HardwareSerial.cpp - Hardware serial library for Wiring
Copyright (c) 2006 Nicholas Zambetti. All right reserved.
Index: arduino/hardware/arduino/cores/arduino/IPAddress.cpp
===================================================================
--- arduino.orig/hardware/arduino/cores/arduino/IPAddress.cpp 2013-03-18 22:15:41.175612317 -0400
+++ arduino/hardware/arduino/cores/arduino/IPAddress.cpp 2013-03-18 22:15:41.167612317 -0400
@@ -4,42 +4,42 @@
IPAddress::IPAddress()
{
- memset(_address, 0, sizeof(_address));
+ memset(_address.a8, 0, sizeof(_address));
}
IPAddress::IPAddress(uint8_t first_octet, uint8_t second_octet, uint8_t third_octet, uint8_t fourth_octet)
{
- _address[0] = first_octet;
- _address[1] = second_octet;
- _address[2] = third_octet;
- _address[3] = fourth_octet;
+ _address.a8[0] = first_octet;
+ _address.a8[1] = second_octet;
+ _address.a8[2] = third_octet;
+ _address.a8[3] = fourth_octet;
}
IPAddress::IPAddress(uint32_t address)
{
- memcpy(_address, &address, sizeof(_address));
+ _address.a32=address;
}
IPAddress::IPAddress(const uint8_t *address)
{
- memcpy(_address, address, sizeof(_address));
+ memcpy(_address.a8, address, sizeof(_address));
}
IPAddress& IPAddress::operator=(const uint8_t *address)
{
- memcpy(_address, address, sizeof(_address));
+ memcpy(_address.a8, address, sizeof(_address));
return *this;
}
IPAddress& IPAddress::operator=(uint32_t address)
{
- memcpy(_address, (const uint8_t *)&address, sizeof(_address));
+ _address.a32=address;
return *this;
}
bool IPAddress::operator==(const uint8_t* addr)
{
- return memcmp(addr, _address, sizeof(_address)) == 0;
+ return memcmp(addr, _address.a8, sizeof(_address)) == 0;
}
size_t IPAddress::printTo(Print& p) const
@@ -47,10 +47,10 @@
size_t n = 0;
for (int i =0; i < 3; i++)
{
- n += p.print(_address[i], DEC);
+ n += p.print(_address.a8[i], DEC);
n += p.print('.');
}
- n += p.print(_address[3], DEC);
+ n += p.print(_address.a8[3], DEC);
return n;
}
Index: arduino/hardware/arduino/cores/arduino/IPAddress.h
===================================================================
--- arduino.orig/hardware/arduino/cores/arduino/IPAddress.h 2013-03-18 22:15:41.175612317 -0400
+++ arduino/hardware/arduino/cores/arduino/IPAddress.h 2013-03-18 22:15:41.167612317 -0400
@@ -32,12 +32,16 @@
class IPAddress : public Printable {
private:
- uint8_t _address[4]; // IPv4 address
+ union {
+ uint8_t a8[4]; // IPv4 address
+ uint32_t a32;
+ } _address;
+
// Access the raw byte array containing the address. Because this returns a pointer
// to the internal structure rather than a copy of the address this function should only
// be used when you know that the usage of the returned uint8_t* will be transient and not
// stored.
- uint8_t* raw_address() { return _address; };
+ uint8_t* raw_address() { return _address.a8; }
public:
// Constructors
@@ -48,13 +52,13 @@
// Overloaded cast operator to allow IPAddress objects to be used where a pointer
// to a four-byte uint8_t array is expected
- operator uint32_t() { return *((uint32_t*)_address); };
- bool operator==(const IPAddress& addr) { return (*((uint32_t*)_address)) == (*((uint32_t*)addr._address)); };
+ operator uint32_t() { return _address.a32; }
+ bool operator==(const IPAddress& addr) { return _address.a32 == addr._address.a32; };
bool operator==(const uint8_t* addr);
// Overloaded index operator to allow getting and setting individual octets of the address
- uint8_t operator[](int index) const { return _address[index]; };
- uint8_t& operator[](int index) { return _address[index]; };
+ uint8_t operator[](int index) const { return _address.a8[index]; };
+ uint8_t& operator[](int index) { return _address.a8[index]; };
// Overloaded copy operators to allow initialisation of IPAddress objects from other types
IPAddress& operator=(const uint8_t *address);
Index: arduino/hardware/arduino/cores/arduino/Print.cpp
===================================================================
--- arduino.orig/hardware/arduino/cores/arduino/Print.cpp 2013-03-18 22:15:41.175612317 -0400
+++ arduino/hardware/arduino/cores/arduino/Print.cpp 2013-03-18 22:15:41.167612317 -0400
@@ -41,7 +41,7 @@
size_t Print::print(const __FlashStringHelper *ifsh)
{
- const char PROGMEM *p = (const char PROGMEM *)ifsh;
+ const char * __attribute__((progmem)) p = (const char * ) ifsh;
size_t n = 0;
while (1) {
unsigned char c = pgm_read_byte(p++);
Index: arduino/libraries/Ethernet/Ethernet.cpp
===================================================================
--- arduino.orig/libraries/Ethernet/Ethernet.cpp 2013-03-18 22:15:41.175612317 -0400
+++ arduino/libraries/Ethernet/Ethernet.cpp 2013-03-18 22:15:41.167612317 -0400
@@ -62,9 +62,9 @@
{
W5100.init();
W5100.setMACAddress(mac);
- W5100.setIPAddress(local_ip._address);
- W5100.setGatewayIp(gateway._address);
- W5100.setSubnetMask(subnet._address);
+ W5100.setIPAddress(local_ip._address.a8);
+ W5100.setGatewayIp(gateway._address.a8);
+ W5100.setSubnetMask(subnet._address.a8);
_dnsServerAddress = dns_server;
}
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