add timed_resistive_load for µs-scale model generation timing benchmarks (d0ea0a52) · Commits · derf / multipass

include/arch.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -10,6 +10,8 @@ class Arch {
		void setup();
		void idle_loop();
		void idle();

		// Delay functions are not exact
		void delay_us(unsigned int const us);
		void delay_ms(unsigned int const ms);
		void sleep_ms(unsigned int const ms);

include/arch/msp430fr5994lp/driver/timed_resistive_load.h

0 → 100644

+72 −0

Original line number	Diff line number	Diff line
		#ifndef TIMED_RESISTIVE_LOAD_H
		#define TIMED_RESISTIVE_LOAD_H

		/*
		* Resistance at 25°c
		* R1: 986R
		* R2: 3K25
		* R3: 46K3
		* R4: 9K86
		*/

		class TimedResistiveLoad {
		private:
		TimedResistiveLoad(const TimedResistiveLoad &copy);

		public:
		TimedResistiveLoad() {}
		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)

		/*
		* These functions must be inline, as __delay_cycles only works with
		* compile-time constants. So they must be part of the compilation unit
		* which uses them and cannot easily be wrapped by a function without
		* losing accuracy.
		*/

		inline void __attribute__((always_inline)) nop1K0(unsigned long long int const duration_us)
		{
		switchTo1K0();
		__delay_cycles(F_CPU / 1000000UL * duration_us);
		switchToNone();
		}

		inline void __attribute__((always_inline)) nop2K4(unsigned long long int const duration_us)
		{
		switchTo2K4();
		__delay_cycles(F_CPU / 1000000UL * duration_us);
		switchToNone();
		}

		inline void __attribute__((always_inline)) nop3K3(unsigned long long int const duration_us)
		{
		switchTo3K3();
		__delay_cycles(F_CPU / 1000000UL * duration_us);
		switchToNone();
		}

		inline void __attribute__((always_inline)) nop10K(unsigned long long int const duration_us)
		{
		switchTo10K();
		__delay_cycles(F_CPU / 1000000UL * duration_us);
		switchToNone();
		}

		inline void __attribute__((always_inline)) nop47K(unsigned long long int const duration_us)
		{
		switchTo47K();
		__delay_cycles(F_CPU / 1000000UL * duration_us);
		switchToNone();
		}
		};

		extern TimedResistiveLoad timedResistiveLoad;

		#endif

model/driver/timed_resistive_load.dfa

0 → 100644

+50 −0

Original line number	Diff line number	Diff line
		codegen:
		instance: timedResistiveLoad
		includes:
		- driver/timed_resistive_load.h
		flags:
		- arch_drivers=timed_resistive_load
		setup:
		- timedResistiveLoad.setup();

		states:
		- UNINITIALIZED
		- SLEEP
		- P14MW
		- P3_4MW
		- P235UW

		transition:
		setup:
		src: [UNINITIALIZED]
		dst: SLEEP
		switchToNone:
		src: [UNINITIALIZED, SLEEP, P14MW, P3_4MW, P235UW]
		dst: SLEEP
		switchTo750:
		src: [UNINITIALIZED, SLEEP, P14MW, P3_4MW, P235UW]
		dst: P14MW
		switchTo3K3:
		src: [UNINITIALIZED, SLEEP, P14MW, P3_4MW, P235UW]
		dst: P3_4MW
		switchTo47K:
		src: [UNINITIALIZED, SLEEP, P14MW, P3_4MW, P235UW]
		dst: P235UW
		nop1K0:
		src: [SLEEP, P14MW, P3_4MW, P235UW]
		dst: SLEEP
		arguments:
		- name: duration_us
		values: [50, 200, 700, 1200, 5000, 23000]
		nop3K3:
		src: [SLEEP, P14MW, P3_4MW, P235UW]
		dst: SLEEP
		arguments:
		- name: duration_us
		values: [50, 200, 700, 1200, 5000, 23000]
		nop10K:
		src: [SLEEP, P14MW, P3_4MW, P235UW]
		dst: SLEEP
		arguments:
		- name: duration_us
		values: [50, 200, 700, 1200, 5000, 23000]

src/arch/msp430fr5994lp/Makefile.inc

+15 −1

Original line number	Diff line number	Diff line
		@@ -72,6 +72,19 @@ ifneq ($(findstring counter,${arch_drivers}), )
		CXX_TARGETS += src/arch/msp430fr5994lp/driver/counter.cc
		endif

		ifneq ($(findstring timed_resistive_load,${arch_drivers}), )
		CXX_TARGETS += src/arch/msp430fr5994lp/driver/timed_resistive_load.cc
		resistor1_pin ?= p3_0
		resistor2_pin ?= p3_1
		resistor3_pin ?= p3_2
		resistor4_pin ?= p3_3
		COMMON_FLAGS += -DDRIVER_TIMED_RESISTIVE_LOAD
		COMMON_FLAGS += -DTIMED_RESISTIVE_LOAD_PIN1=GPIO::${resistor1_pin}
		COMMON_FLAGS += -DTIMED_RESISTIVE_LOAD_PIN2=GPIO::${resistor2_pin}
		COMMON_FLAGS += -DTIMED_RESISTIVE_LOAD_PIN3=GPIO::${resistor3_pin}
		COMMON_FLAGS += -DTIMED_RESISTIVE_LOAD_PIN4=GPIO::${resistor4_pin}
		endif

		ifneq (${cpu_freq}, )
		COMMON_FLAGS += -DF_CPU=${cpu_freq}UL
		else
		@@ -127,7 +140,8 @@ arch_info:
		@echo "CPU Freq: ${cpu_freq} Hz"
		@echo "Timer Freq: ${timer_freq} Hz -> $(shell src/arch/msp430fr5994lp/model.py f_timer "${cpu_freq}" "${timer_freq}")"
		@echo "I2C Freq: ${i2c_freq} Hz"
		@echo "Counter Overflow: 65536/255"
		@echo "Counter Overflow: 65536/65535"
		@echo "sleep_ms Overflow: 250 500"
		@echo "Monitor: /dev/${SERIAL_PORT} 115200"

		.PHONY: arch_clean arch_help arch_info monitor program

src/arch/msp430fr5994lp/driver/timed_resistive_load.cc

0 → 100644

+85 −0

Original line number	Diff line number	Diff line
		#include "driver/timed_resistive_load.h"
		#include "driver/gpio.h"
		#include "arch.h"

		#ifndef TIMED_RESISTIVE_LOAD_PIN1
		#error TIMED_RESISTIVE_LOAD_PIN1 must be set
		#endif

		#ifndef TIMED_RESISTIVE_LOAD_PIN2
		#error TIMED_RESISTIVE_LOAD_PIN2 must be set
		#endif

		#ifndef TIMED_RESISTIVE_LOAD_PIN3
		#error TIMED_RESISTIVE_LOAD_PIN3 must be set
		#endif

		#ifndef TIMED_RESISTIVE_LOAD_PIN4
		#error TIMED_RESISTIVE_LOAD_PIN4 must be set
		#endif

		void TimedResistiveLoad::setup()
		{
		gpio.output(TIMED_RESISTIVE_LOAD_PIN1, 0);
		gpio.output(TIMED_RESISTIVE_LOAD_PIN2, 0);
		gpio.output(TIMED_RESISTIVE_LOAD_PIN3, 0);
		gpio.output(TIMED_RESISTIVE_LOAD_PIN4, 0);
		}

		void TimedResistiveLoad::switchToNone()
		{
		gpio.write(TIMED_RESISTIVE_LOAD_PIN1, 0);
		gpio.write(TIMED_RESISTIVE_LOAD_PIN2, 0);
		gpio.write(TIMED_RESISTIVE_LOAD_PIN3, 0);
		gpio.write(TIMED_RESISTIVE_LOAD_PIN4, 0);
		}

		void TimedResistiveLoad::switchTo750()
		{
		gpio.write(TIMED_RESISTIVE_LOAD_PIN1, 1);
		gpio.write(TIMED_RESISTIVE_LOAD_PIN2, 1);
		gpio.write(TIMED_RESISTIVE_LOAD_PIN3, 0);
		gpio.write(TIMED_RESISTIVE_LOAD_PIN4, 0);
		}

		void TimedResistiveLoad::switchTo1K0()
		{
		gpio.write(TIMED_RESISTIVE_LOAD_PIN1, 1);
		gpio.write(TIMED_RESISTIVE_LOAD_PIN2, 0);
		gpio.write(TIMED_RESISTIVE_LOAD_PIN3, 0);
		gpio.write(TIMED_RESISTIVE_LOAD_PIN4, 0);
		}

		void TimedResistiveLoad::switchTo2K4()
		{
		gpio.write(TIMED_RESISTIVE_LOAD_PIN1, 0);
		gpio.write(TIMED_RESISTIVE_LOAD_PIN2, 1);
		gpio.write(TIMED_RESISTIVE_LOAD_PIN3, 0);
		gpio.write(TIMED_RESISTIVE_LOAD_PIN4, 1);
		}

		void TimedResistiveLoad::switchTo3K3()
		{
		gpio.write(TIMED_RESISTIVE_LOAD_PIN1, 0);
		gpio.write(TIMED_RESISTIVE_LOAD_PIN2, 1);
		gpio.write(TIMED_RESISTIVE_LOAD_PIN3, 0);
		gpio.write(TIMED_RESISTIVE_LOAD_PIN4, 0);
		}

		void TimedResistiveLoad::switchTo10K()
		{
		gpio.write(TIMED_RESISTIVE_LOAD_PIN1, 0);
		gpio.write(TIMED_RESISTIVE_LOAD_PIN2, 0);
		gpio.write(TIMED_RESISTIVE_LOAD_PIN3, 0);
		gpio.write(TIMED_RESISTIVE_LOAD_PIN4, 1);
		}

		void TimedResistiveLoad::switchTo47K()
		{
		gpio.write(TIMED_RESISTIVE_LOAD_PIN1, 0);
		gpio.write(TIMED_RESISTIVE_LOAD_PIN2, 0);
		gpio.write(TIMED_RESISTIVE_LOAD_PIN3, 1);
		gpio.write(TIMED_RESISTIVE_LOAD_PIN4, 0);
		}

		TimedResistiveLoad timedResistiveLoad;

Admin message