arduino/esp8266
1
0
Fork 0
mirror of https://github.com/esp8266/Arduino.git synced 2025-07-30 16:24:09 +03:00
Code Activity

Renaming SPI.send() to SPI.transfer() to better reflect its bi-directional nature.

Browse Source
This commit is contained in:
David A. Mellis
2010-08-07 20:08:53 +00:00
parent 05e8d675cd
commit 3899ffc75d
4 changed files with 28 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
libraries/Ethernet/utility/w5100.cpp
View File

@ -118,10 +118,10 @@ void W5100Class::read_data(SOCKET s, volatile uint8_t *src, volatile uint8_t *ds
uint8_t W5100Class::write(uint16_t _addr, uint8_t _data)
{
setSS();
SPI.send(0xF0);
SPI.send(_addr >> 8);
SPI.send(_addr & 0xFF);
SPI.send(_data);
SPI.transfer(0xF0);
SPI.transfer(_addr >> 8);
SPI.transfer(_addr & 0xFF);
SPI.transfer(_data);
resetSS();
return 1;
}
@ -131,11 +131,11 @@ uint16_t W5100Class::write(uint16_t _addr, uint8_t *_buf, uint16_t _len)
for (int i=0; i<_len; i++)
{
setSS();
SPI.send(0xF0);
SPI.send(_addr >> 8);
SPI.send(_addr & 0xFF);
SPI.transfer(0xF0);
SPI.transfer(_addr >> 8);
SPI.transfer(_addr & 0xFF);
_addr++;
SPI.send(_buf[i]);
SPI.transfer(_buf[i]);
resetSS();
}
return _len;
@ -144,10 +144,10 @@ uint16_t W5100Class::write(uint16_t _addr, uint8_t *_buf, uint16_t _len)
uint8_t W5100Class::read(uint16_t _addr)
{
setSS();
SPI.send(0x0F);
SPI.send(_addr >> 8);
SPI.send(_addr & 0xFF);
uint8_t _data = SPI.send(0);
SPI.transfer(0x0F);
SPI.transfer(_addr >> 8);
SPI.transfer(_addr & 0xFF);
uint8_t _data = SPI.transfer(0);
resetSS();
return _data;
}
@ -157,11 +157,11 @@ uint16_t W5100Class::read(uint16_t _addr, uint8_t *_buf, uint16_t _len)
for (int i=0; i<_len; i++)
{
setSS();
SPI.send(0x0F);
SPI.send(_addr >> 8);
SPI.send(_addr & 0xFF);
SPI.transfer(0x0F);
SPI.transfer(_addr >> 8);
SPI.transfer(_addr & 0xFF);
_addr++;
_buf[i] = SPI.send(0);
_buf[i] = SPI.transfer(0);
resetSS();
}
return _len;