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Ethernet: fixed regression for SAM (Arduino Due) 

Fix https://github.com/arduino/Arduino/issues/4072
This commit is contained in:
Cristian Maglie 2015-11-05 18:32:11 +01:00
parent 5be4466fd7
commit 21141513e2
1 changed files with 19 additions and 19 deletions
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38
libraries/Ethernet/src/utility/w5100.cpp
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@ -30,10 +30,10 @@ void W5100Class::init(void)
SPI.begin();
initSS();
#else
SPI.begin(SPI_CS);
SPI.begin(ETHERNET_SHIELD_SPI_CS);
// Set clock to 4Mhz (W5100 should support up to about 14Mhz)
SPI.setClockDivider(SPI_CS, 21);
SPI.setDataMode(SPI_CS, SPI_MODE0);
SPI.setClockDivider(ETHERNET_SHIELD_SPI_CS, 21);
SPI.setDataMode(ETHERNET_SHIELD_SPI_CS, SPI_MODE0);
#endif
SPI.beginTransaction(SPI_ETHERNET_SETTINGS);
writeMR(1<<RST);
@ -144,10 +144,10 @@ uint8_t W5100Class::write(uint16_t _addr, uint8_t _data)
SPI.transfer(_data);
resetSS();
#else
SPI.transfer(SPI_CS, 0xF0, SPI_CONTINUE);
SPI.transfer(SPI_CS, _addr >> 8, SPI_CONTINUE);
SPI.transfer(SPI_CS, _addr & 0xFF, SPI_CONTINUE);
SPI.transfer(SPI_CS, _data);
SPI.transfer(ETHERNET_SHIELD_SPI_CS, 0xF0, SPI_CONTINUE);
SPI.transfer(ETHERNET_SHIELD_SPI_CS, _addr >> 8, SPI_CONTINUE);
SPI.transfer(ETHERNET_SHIELD_SPI_CS, _addr & 0xFF, SPI_CONTINUE);
SPI.transfer(ETHERNET_SHIELD_SPI_CS, _data);
#endif
return 1;
}
@ -165,10 +165,10 @@ uint16_t W5100Class::write(uint16_t _addr, const uint8_t *_buf, uint16_t _len)
SPI.transfer(_buf[i]);
resetSS();
#else
SPI.transfer(SPI_CS, 0xF0, SPI_CONTINUE);
SPI.transfer(SPI_CS, _addr >> 8, SPI_CONTINUE);
SPI.transfer(SPI_CS, _addr & 0xFF, SPI_CONTINUE);
SPI.transfer(SPI_CS, _buf[i]);
SPI.transfer(ETHERNET_SHIELD_SPI_CS, 0xF0, SPI_CONTINUE);
SPI.transfer(ETHERNET_SHIELD_SPI_CS, _addr >> 8, SPI_CONTINUE);
SPI.transfer(ETHERNET_SHIELD_SPI_CS, _addr & 0xFF, SPI_CONTINUE);
SPI.transfer(ETHERNET_SHIELD_SPI_CS, _buf[i]);
_addr++;
#endif
}
@ -185,10 +185,10 @@ uint8_t W5100Class::read(uint16_t _addr)
uint8_t _data = SPI.transfer(0);
resetSS();
#else
SPI.transfer(SPI_CS, 0x0F, SPI_CONTINUE);
SPI.transfer(SPI_CS, _addr >> 8, SPI_CONTINUE);
SPI.transfer(SPI_CS, _addr & 0xFF, SPI_CONTINUE);
uint8_t _data = SPI.transfer(SPI_CS, 0);
SPI.transfer(ETHERNET_SHIELD_SPI_CS, 0x0F, SPI_CONTINUE);
SPI.transfer(ETHERNET_SHIELD_SPI_CS, _addr >> 8, SPI_CONTINUE);
SPI.transfer(ETHERNET_SHIELD_SPI_CS, _addr & 0xFF, SPI_CONTINUE);
uint8_t _data = SPI.transfer(ETHERNET_SHIELD_SPI_CS, 0);
#endif
return _data;
}
@ -206,10 +206,10 @@ uint16_t W5100Class::read(uint16_t _addr, uint8_t *_buf, uint16_t _len)
_buf[i] = SPI.transfer(0);
resetSS();
#else
SPI.transfer(SPI_CS, 0x0F, SPI_CONTINUE);
SPI.transfer(SPI_CS, _addr >> 8, SPI_CONTINUE);
SPI.transfer(SPI_CS, _addr & 0xFF, SPI_CONTINUE);
_buf[i] = SPI.transfer(SPI_CS, 0);
SPI.transfer(ETHERNET_SHIELD_SPI_CS, 0x0F, SPI_CONTINUE);
SPI.transfer(ETHERNET_SHIELD_SPI_CS, _addr >> 8, SPI_CONTINUE);
SPI.transfer(ETHERNET_SHIELD_SPI_CS, _addr & 0xFF, SPI_CONTINUE);
_buf[i] = SPI.transfer(ETHERNET_SHIELD_SPI_CS, 0);
_addr++;
#endif
}