Used as part of the OU_Davis_Old_Robot library
Diff: MCP3008.cpp
- Revision:
- 0:2cb766caa4c7
diff -r 000000000000 -r 2cb766caa4c7 MCP3008.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MCP3008.cpp Wed Nov 01 15:56:02 2017 +0000 @@ -0,0 +1,30 @@ +/**by Austin Saunders + +*/ + +#include <mbed.h> +#include "MCP3008.h" + +MCP3008::MCP3008(PinName mosi, PinName miso, PinName clk, PinName cs) +: _spi(mosi,miso,clk), + _cs(cs), + _vref(3.3) +{ + _spi.frequency(1000000); + _spi.format(8,0); + _cs = 1; +} + +int +MCP3008::read(int ch) +{ + _cs = 0; + _spi.write(0x01); + _data1 = _spi.write(0x80|(ch<<4)); + _data2 = _spi.write(0x00); + int adb = (_data1<<8) | _data2; + adb = (adb & 0x03FF); + _cs = 1; + float ain = (adb*_vref)/1023; + return adb; +} \ No newline at end of file