Driver for DAC works. Started with an application objectfor LED controll.

software/app/application.cpp

@@ -2,6 +2,7 @@
 #include <SmingCore/SmingCore.h>
 #include <SmingCore/HardwareSerial.h>
 #include "ads101x.h"
+#include "dac101c085.h"
 #include "sensor_hub.h"
 #include "sensor_settings.h"
 #include "double_buffer.h"
@@ -13,6 +14,8 @@ static const int HUB_PERIOD = 5;
 static const int ADC_TIMEBASE = 250;
 static const int ADC_PERIOD = 5;
 static const uint8_t ADC_ADDRESS = 0x48;
+static const uint8_t DAC_ADDRESS = 0xC;
+
 
 using namespace rijnfel;
 
@@ -23,6 +26,7 @@ void STAGotIP(IPAddress ip, IPAddress mask, IPAddress gateway);
 Timer procTimer;
 ads::cADS101x adc(0, ADC_ADDRESS);
 uint8_t channel = 0;
+dac::cDAC101C085 mydac(1, DAC_ADDRESS);
 
 cSensorHub hub(HUB_PERIOD);
 
@@ -78,8 +82,12 @@ void init() {
 	 WifiAccessPoint.config("Sensus", "", AUTH_OPEN, false, 3);*/
 	cWebInterface::GetInstance()->Start();
 
-	procTimer.initializeMs(HUB_PERIOD, updateSensorHub).start();
+	//procTimer.initializeMs(HUB_PERIOD, updateSensorHub).start();
 	//procTimer.initializeMs(5000, SettingsTest).start();
+	//mydac.CheckDev();
+	//Serial.println(mydac.ReadSettings());
+	Serial.println(mydac.ChangeSettings(dac::eOpMode::NORMAL, 1023));
+	Serial.println(mydac.ReadSettings());
 
 }
 

software/app/dac101c085.cpp

@@ -4,7 +4,7 @@
 // Author:      Maximilian Stiefel
 // Date:        08.08.2017
 //
-// Description:
+// Description: Small simple driver for the TI DAC101C085.
 //
 //----------------------------------------------------------------------------------------------------------------------------
 
@@ -27,7 +27,7 @@ cDAC101C085::~cDAC101C085()
 {}
 
 //-------------------------------------checkDev-------------------------------------------------------------------------------
-void cDAC101C085::checkDev()
+void cDAC101C085::CheckDev()
 {
 	// Vars
 	byte error = 0;
@@ -43,7 +43,7 @@ void cDAC101C085::checkDev()
 }
 
 //-------------------------------------changeSettings-------------------------------------------------------------------------
-uint8_t cDAC101C085::changeSettings(enum eOpMode mode, uint16_t val)
+uint8_t cDAC101C085::ChangeSettings(enum eOpMode mode, uint16_t val)
 {
 	// Vars
 	uint16_t settings = 0;
@@ -54,16 +54,16 @@ uint8_t cDAC101C085::changeSettings(enum eOpMode mode, uint16_t val)
 	switch(mode)
 	{
 		case NORMAL:
-		       		settings += 0b00 << PD_BITS_POS;	
+		       		settings += (0b00 << PD_BITS_POS);	
 				break;
 		case PULL_DOWN_2K5:
-				settings += 0b01 << PD_BITS_POS;	
+				settings += (0b01 << PD_BITS_POS);	
 				break;
 		case PULL_DOWN_100K:
-				settings += 0b10 << PD_BITS_POS;	
+				settings += (0b10 << PD_BITS_POS);	
 				break;
 		case HIGH_IMPEDANCE:
-				settings += 0b11 << PD_BITS_POS;	
+				settings += (0b11 << PD_BITS_POS);	
 				break;
 
 	}
@@ -80,7 +80,7 @@ uint8_t cDAC101C085::WriteSettings(uint16_t settings)
 	Wire.write( (uint8_t) (settings >> 8) ); // Most significant byte
 	Wire.write( (uint8_t) (settings & 0xFF) ); // Least significant byte
 	error = Wire.endTransmission();
-	Serial.print(settings);
+	Serial.println(settings);
 	return I2CError(error); // Pass to error parser	
 }
 

software/app/dac101c085.h

@@ -4,7 +4,7 @@
 // Author:	Maximilian Stiefel
 // Date:	08.08.2017
 //
-// Description:
+// Description: Small simple driver for the TI DAC101C085.
 //
 //----------------------------------------------------------------------------------------------------------------------------
 
@@ -16,7 +16,7 @@
 
 //-------------------------------------Defines--------------------------------------------------------------------------------
 #define DEBUG_LEVEL 1 // 1 a lot debugging output, else rare debugging output
-#define PD_BITS_POS 14 // Position of power down bits
+#define PD_BITS_POS 13 // Position of power down bits
 #define D_BITS_POS 2 // Position of data bits
 
 //-------------------------------------Namespaces-----------------------------------------------------------------------------
@@ -32,14 +32,14 @@ class cDAC101C085
 public:
 	cDAC101C085(uint8_t number, uint8_t i_address); // Constructor
 	~cDAC101C085(); // Destructor
-	void checkDev(); // Check if device is available and alive
+	void CheckDev(); // Check if device is available and alive
 	uint16_t ReadSettings(void);
-	uint8_t WriteSettings(uint16_t settings);
-	uint8_t changeSettings(enum eOpMode mode, uint16_t val);
+	uint8_t ChangeSettings(enum eOpMode mode, uint16_t val);
 
 private:	
 	uint8_t m_number; // Which of the dacs is it?
 	uint8_t m_address;
+	uint8_t WriteSettings(uint16_t settings);
 	uint8_t I2CError(uint8_t error);
 };
 

software/app/excitation_light.cpp

@@ -0,0 +1,54 @@
+//----------------------------------------------------------------------------------------------------------------------------
+// Project:     Uppsense
+// Name:        excitation_light.cpp
+// Author:      Maximilian Stiefel
+// Date:        09.08.2017
+//
+// Description: 
+//
+//----------------------------------------------------------------------------------------------------------------------------
+
+//-------------------------------------Libraries------------------------------------------------------------------------------
+#include "excitation_light.h"
+#include "hardware.h"
+#include <SmingCore/SmingCore.h>
+
+//-------------------------------------Namespaces-----------------------------------------------------------------------------
+namespace rijnfel {
+namespace light {
+
+//-------------------------------------Constructor----------------------------------------------------------------------------
+cExcitationLight::cExcitationLight():
+		m_rectangleStatus(0), m_DAC_Rect_High(0)
+{
+	m_DAC = new dac::cDAC101C085(1, DAC1_ADDRESS);
+}
+
+//-------------------------------------Destructor-----------------------------------------------------------------------------
+cExcitationLight::~cExcitationLight()
+{
+	delete m_DAC;
+}
+
+//-------------------------------------setCurrent-----------------------------------------------------------------------------
+uint8_t cExcitationLight::setCurrent(uint16_t microamp)
+{	
+	if(microamp < CURR_MAX_UAMP)
+	{
+		m_DAC_Rect_High = R_SENSE * microamp; 
+		return 1;
+	}
+	else
+		return 0;
+}
+
+//-------------------------------------rectangleUpdate------------------------------------------------------------------------
+uint8_t cExcitationLight::rectangleUpdate()
+{
+	m_rectangleStatus ? m_DAC->ChangeSettings(dac::eOpMode::NORMAL, 0) : m_DAC->ChangeSettings(dac::eOpMode::NORMAL, m_DAC_Rect_High);
+	rectangle_Status ^= 0xFF;
+}
+
+
+}
+}

software/app/excitation_light.h

@@ -0,0 +1,43 @@
+//----------------------------------------------------------------------------------------------------------------------------
+// Project:    	Uppsense
+// Name:	excitation_light.h
+// Author:	Maximilian Stiefel
+// Date:	09.08.2017
+//
+// Description: 
+//
+//----------------------------------------------------------------------------------------------------------------------------
+
+#ifndef APP_EXCITATION_LIGHT_H_
+#define APP_EXCITATION_LIGHT_H_
+
+//-------------------------------------Libraries------------------------------------------------------------------------------
+#include <stdint.h>
+#include "dac101c085.h"
+#include "hardware.h"
+
+//-------------------------------------Defines--------------------------------------------------------------------------------
+
+//-------------------------------------Namespaces-----------------------------------------------------------------------------
+namespace rijnfel {
+namespace light {
+
+//-------------------------------------Enums----------------------------------------------------------------------------------
+
+//-------------------------------------cExcitationLight-----------------------------------------------------------------------
+class cExcitationLight
+{
+public:
+	cExcitationLight(); // Constructor
+	~cExcitationLight(); // Destructor
+	uint8_t setCurrent(uint16_t microamp);
+	uint8_t rectangleUpdate();
+private:
+	dac::cDAC101C085 *m_DAC;
+	uint8_t m_rectangleStatus;
+	uint16_t m_DAC_Rect_High;
+};
+
+}
+}
+#endif /* APP_EXCITATION_LIGHT_H_ */

software/app/hardware.h

@@ -0,0 +1,21 @@
+//----------------------------------------------------------------------------------------------------------------------------
+// Project:    	Uppsense
+// Name:	hardware.h
+// Author:	Maximilian Stiefel
+// Date:	09.08.2017
+//
+// Description: 
+//
+//----------------------------------------------------------------------------------------------------------------------------
+
+#ifndef APP_HARDWARE_H_
+#define APP_HARDWARE_H_
+
+//-------------------------------------I2C ADRESSES---------------------------------------------------------------------------
+static const uint8_t ADC_ADDRESS = 0x48;
+static const uint8_t DAC1_ADDRESS = 0xC;
+
+#define R_SENSE (uint8_t) 100 // 100 Ohm sensing resistor
+#define CURR_MAX_UAMP 10000 // 10 mA max. 
+
+#endif /* APP_HARDWARE_H_ */

software/files/index.js

@@ -7,7 +7,7 @@ $( document ).ready(function() {
 			document.getElementById('adc_2').textContent = data.adc_2;
 			document.getElementById('adc_3').textContent = data.adc_3;
 			
-			setTimeout(worker, 5000);
+			setTimeout(worker, 1000);
 		});
 	})();
-});
+});