Commit 4065d4f5 authored by Daniel Friesel's avatar Daniel Friesel
Browse files

add resistive load driver for energy measurement device evaluation

parent da828589

Makefile

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@@ -130,6 +130,19 @@ ifneq ($(findstring sharp96,${drivers}), ) 
	COMMON_FLAGS += -DSHARP96_CS_PIN=GPIO::${sharp96_cs_pin}

endif



ifneq ($(findstring resistive_load,${drivers}), )

	CXX_TARGETS += src/driver/resistive_load.cc

	resistor1_pin ?= p3_0

	resistor2_pin ?= p3_1

	resistor3_pin ?= p3_2

	resistor4_pin ?= p3_4

	COMMON_FLAGS += -DDRIVER_RESISTIVE_LOAD

	COMMON_FLAGS += -DRESISTIVE_LOAD_PIN1=GPIO::${resistor1_pin}

	COMMON_FLAGS += -DRESISTIVE_LOAD_PIN2=GPIO::${resistor2_pin}

	COMMON_FLAGS += -DRESISTIVE_LOAD_PIN3=GPIO::${resistor3_pin}

	COMMON_FLAGS += -DRESISTIVE_LOAD_PIN4=GPIO::${resistor4_pin}

endif



ifneq ($(findstring softi2c,${drivers}), )

	CXX_TARGETS += src/driver/soft_i2c.cc

	COMMON_FLAGS += -DDRIVER_SOFTI2C

include/driver/resistive_load.h

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#ifndef RESISTIVE_LOAD_H

#define RESISTIVE_LOAD_H



/*

 * Resistance at 25°c

 * R1: 986R

 * R2: 3K25

 * R3: 46K3

 * R4: 9K86

 */



class ResistiveLoad {

	private:

		ResistiveLoad(const ResistiveLoad &copy);



	public:

		ResistiveLoad() {}

		void setup();

		void switchToNone();

		void switchTo750(); // 576R (R1 || R2)

		void switchTo1K0(); // 986R (R1)

		void switchTo2K4(); // 2K44 (R2 || 4)

		void switchTo3K3(); // 3K25 (R2)

		void switchTo10K(); // 9K86 (R4)

		void switchTo47K(); // 46K3 (R3)

		void nop1K0(unsigned int duration_ms);

		void nop2K4(unsigned int duration_ms);

		void nop3K3(unsigned int duration_ms);

		void nop10K(unsigned int duration_ms);

		void nop47K(unsigned int duration_ms);

};



extern ResistiveLoad resistiveLoad;



#endif

model/driver/resistive_load.dfa

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codegen:

  instance: resistiveLoad

  includes:

    - driver/resistive_load.h

  flags:

    - drivers=resistive_load

  setup:

    - resistiveLoad.setup();



states:

  - UNINITIALIZED

  - SLEEP

  - P14MW

  - P11MW

  - P4_4MW

  - P3_4MW

  - P1_1MW

  - P235UW



transition:

  setup:

    src: [UNINITIALIZED]

    dst: SLEEP

  switchToNone:

    src: [UNINITIALIZED, SLEEP, P14MW, P11MW, P4_4MW, P3_4MW, P1_1MW, P235UW]

    dst: SLEEP

  switchTo750:

    src: [UNINITIALIZED, SLEEP, P14MW, P11MW, P4_4MW, P3_4MW, P1_1MW, P235UW]

    dst: P14MW

  switchTo1K0:

    src: [UNINITIALIZED, SLEEP, P14MW, P11MW, P4_4MW, P3_4MW, P1_1MW, P235UW]

    dst: P11MW

  switchTo2K4:

    src: [UNINITIALIZED, SLEEP, P14MW, P11MW, P4_4MW, P3_4MW, P1_1MW, P235UW]

    dst: P4_4MW

  switchTo3K3:

    src: [UNINITIALIZED, SLEEP, P14MW, P11MW, P4_4MW, P3_4MW, P1_1MW, P235UW]

    dst: P3_4MW

  switchTo10K:

    src: [UNINITIALIZED, SLEEP, P14MW, P11MW, P4_4MW, P3_4MW, P1_1MW, P235UW]

    dst: P1_1MW

  switchTo47K:

    src: [UNINITIALIZED, SLEEP, P14MW, P11MW, P4_4MW, P3_4MW, P1_1MW, P235UW]

    dst: P235UW

src/driver/resistive_load.cc

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#include "driver/resistive_load.h"

#include "driver/gpio.h"

#include "arch.h"



#ifndef RESISTIVE_LOAD_PIN1

#error RESISTIVE_LOAD_PIN1 must be set

#endif



#ifndef RESISTIVE_LOAD_PIN2

#error RESISTIVE_LOAD_PIN2 must be set

#endif



#ifndef RESISTIVE_LOAD_PIN3

#error RESISTIVE_LOAD_PIN3 must be set

#endif



#ifndef RESISTIVE_LOAD_PIN4

#error RESISTIVE_LOAD_PIN4 must be set

#endif



void ResistiveLoad::setup()

{

	gpio.output(RESISTIVE_LOAD_PIN1, 0);

	gpio.output(RESISTIVE_LOAD_PIN2, 0);

	gpio.output(RESISTIVE_LOAD_PIN3, 0);

	gpio.output(RESISTIVE_LOAD_PIN4, 0);

}



void ResistiveLoad::switchToNone()

{

	gpio.write(RESISTIVE_LOAD_PIN1, 0);

	gpio.write(RESISTIVE_LOAD_PIN2, 0);

	gpio.write(RESISTIVE_LOAD_PIN3, 0);

	gpio.write(RESISTIVE_LOAD_PIN4, 0);

}



void ResistiveLoad::switchTo750()

{

	gpio.write(RESISTIVE_LOAD_PIN1, 1);

	gpio.write(RESISTIVE_LOAD_PIN2, 1);

	gpio.write(RESISTIVE_LOAD_PIN3, 0);

	gpio.write(RESISTIVE_LOAD_PIN4, 0);

}



void ResistiveLoad::switchTo1K0()

{

	gpio.write(RESISTIVE_LOAD_PIN1, 1);

	gpio.write(RESISTIVE_LOAD_PIN2, 0);

	gpio.write(RESISTIVE_LOAD_PIN3, 0);

	gpio.write(RESISTIVE_LOAD_PIN4, 0);

}



void ResistiveLoad::switchTo2K4()

{

	gpio.write(RESISTIVE_LOAD_PIN1, 0);

	gpio.write(RESISTIVE_LOAD_PIN2, 1);

	gpio.write(RESISTIVE_LOAD_PIN3, 0);

	gpio.write(RESISTIVE_LOAD_PIN4, 1);

}



void ResistiveLoad::switchTo3K3()

{

	gpio.write(RESISTIVE_LOAD_PIN1, 0);

	gpio.write(RESISTIVE_LOAD_PIN2, 1);

	gpio.write(RESISTIVE_LOAD_PIN3, 0);

	gpio.write(RESISTIVE_LOAD_PIN4, 0);

}



void ResistiveLoad::switchTo10K()

{

	gpio.write(RESISTIVE_LOAD_PIN1, 0);

	gpio.write(RESISTIVE_LOAD_PIN2, 0);

	gpio.write(RESISTIVE_LOAD_PIN3, 0);

	gpio.write(RESISTIVE_LOAD_PIN4, 1);

}



void ResistiveLoad::switchTo47K()

{

	gpio.write(RESISTIVE_LOAD_PIN1, 0);

	gpio.write(RESISTIVE_LOAD_PIN2, 0);

	gpio.write(RESISTIVE_LOAD_PIN3, 1);

	gpio.write(RESISTIVE_LOAD_PIN4, 0);

}



void ResistiveLoad::nop1K0(unsigned int duration_ms)

{

	switchTo1K0();

	arch.delay_ms(duration_ms);

	switchToNone();

}



void ResistiveLoad::nop2K4(unsigned int duration_ms)

{

	switchTo2K4();

	arch.delay_ms(duration_ms);

	switchToNone();

}



void ResistiveLoad::nop3K3(unsigned int duration_ms)

{

	switchTo3K3();

	arch.delay_ms(duration_ms);

	switchToNone();

}



void ResistiveLoad::nop10K(unsigned int duration_ms)

{

	switchTo10K();

	arch.delay_ms(duration_ms);

	switchToNone();

}



void ResistiveLoad::nop47K(unsigned int duration_ms)

{

	switchTo47K();

	arch.delay_ms(duration_ms);

	switchToNone();

}



ResistiveLoad resistiveLoad;