Jimmy Hack
A wrapper library for easy access to DACs using the SPI interface. Individual devices will receive their own libraries.
Dependents: MAX500 MCP4922 MCP4822
Diff: DAC.h
- Revision:
- 0:bce9b1450b19
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/DAC.h Wed Jun 13 23:41:08 2012 +0000
@@ -0,0 +1,21 @@
+#ifndef DAC_H
+#define DAC_H
+#include "mbed.h"
+
+//a basic parent library for use with DACs controlled via SPI. Individual hardware implementations will need their own libraries.
+class DAC
+{
+ public:
+ DAC(int SPIchannelNum, PinName CS, PinName LDAC);
+ virtual void write(int millivolts) =0; //write a value to the Digital Analog Converter
+
+ //DigitalOut SCK;
+ DigitalOut CS; //serial chip select pin
+ DigitalOut LDAC; //synchronize pin to update both DACs together
+ SPI * DACspi;
+};
+
+extern SPI SPI_A; //channel A SPI (pins 5,7)
+extern SPI SPI_B; //channel B SPI (pins 11,13)
+
+#endif //DAC_H
\ No newline at end of file