tcs34725, dac7678

ADD: dac7678 support
ADD: tcs34725 readHSV

src/devlib/tcs34725.cc

@@ -34,6 +34,28 @@ IMPLEMENT(tcs34725ReadRGBC) {
   SCOPE_CLOSE(obj);
 }
 
+IMPLEMENT(tcs34725ReadHSV) {
+  SCOPE_OPEN();
+
+  SET_ARGUMENT_NAME(0, id);
+
+  CHECK_ARGUMENTS_LENGTH_EQUAL(1);
+
+  CHECK_ARGUMENT_TYPE_INT32(0);
+
+  int id = GET_ARGUMENT_AS_INT32(0);
+  unsigned short h, s, v;
+
+  ::tcs34725ReadHSV(id, &h, &s, &v);
+
+  Local<Object> obj = Object::New();
+  obj->Set(String::NewSymbol("h"), UINT32(h));
+  obj->Set(String::NewSymbol("s"), UINT32(s));
+  obj->Set(String::NewSymbol("v"), UINT32(v));
+
+  SCOPE_CLOSE(obj);
+}
+
 IMPLEMENT(tcs34725GetCorrelatedColorTemperature) {
   SCOPE_OPEN();
 
@@ -194,6 +216,7 @@ IMPLEMENT(tcs34725Setup) {
 
 IMPLEMENT_EXPORT_INIT(tcs34725) {
   EXPORT_FUNCTION(tcs34725ReadRGBC);
+  EXPORT_FUNCTION(tcs34725ReadHSV);
   EXPORT_FUNCTION(tcs34725GetCorrelatedColorTemperature);
   EXPORT_FUNCTION(tcs34725GetIlluminance);
   EXPORT_FUNCTION(tcs34725SetInterrupt);

src/extensions/dac7678.cc

@@ -0,0 +1,43 @@
+#include "dac7678.h"
+#include <wiringPi.h>
+#include <dac7678.h>
+
+DECLARE(dac7678Setup);
+
+IMPLEMENT(dac7678Setup) {
+  SCOPE_OPEN();
+
+  SET_ARGUMENT_NAME(0, pinBase);
+  SET_ARGUMENT_NAME(1, i2cAddress);
+  SET_ARGUMENT_NAME(2, vrefMode);
+
+  CHECK_ARGUMENTS_LENGTH_EQUAL(3);
+
+  CHECK_ARGUMENT_TYPE_INT32(0);
+  CHECK_ARGUMENT_TYPE_INT32(1);
+  CHECK_ARGUMENT_TYPE_UINT32(2);
+
+  CHECK_ARGUMENT_IN_INTS(2, vrefMode, (DAC7678_VREF_MODE_STATIC_ON, 
+                                      DAC7678_VREF_MODE_STATIC_OFF, 
+                                      DAC7678_VREF_MODE_FLEXIBLE_ON, 
+                                      DAC7678_VREF_MODE_FLEXIBLE_ALWAYS_ON
+                                      DAC7678_VREF_MODE_FLEXIBLE_ALWAYS_OFF));
+
+  int pinBase = GET_ARGUMENT_AS_INT32(0);
+  int i2cAddress = GET_ARGUMENT_AS_INT32(1);
+  unsigned short vrefMode = GET_ARGUMENT_AS_UINT32(2);
+
+  int res = ::dac7678Setup(pinBase, i2cAddress, vrefMode);
+
+  SCOPE_CLOSE(INT32(res));
+}
+
+IMPLEMENT_EXPORT_INIT(dac7678) {
+  EXPORT_FUNCTION(dac7678Setup);
+
+  EXPORT_CONSTANT_INT(DAC7678_VREF_MODE_STATIC_ON);
+  EXPORT_CONSTANT_INT(DAC7678_VREF_MODE_STATIC_OFF);
+  EXPORT_CONSTANT_INT(DAC7678_VREF_MODE_FLEXIBLE_ON);
+  EXPORT_CONSTANT_INT(DAC7678_VREF_MODE_FLEXIBLE_ALWAYS_ON);
+  EXPORT_CONSTANT_INT(DAC7678_VREF_MODE_FLEXIBLE_ALWAYS_OFF);
+}

src/extensions/dac7678.h

@@ -0,0 +1,8 @@
+#ifndef _WPI_DAC7678_H_
+#define _WPI_DAC7678_H_
+
+#include "../addon.h"
+
+DECLARE_EXPORT_INIT(dac7678);
+
+#endif