use a higher-precision timer implementation
parent
7bd6bb1073
commit
8e1b13345a
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@ -1,3 +1,6 @@
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[submodule "ArduinoMIDI"]
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path = ArduinoMIDI
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url = https://github.com/FortySevenEffects/arduino_midi_library
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[submodule "TimerCounter"]
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path = TimerCounter
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url = https://github.com/ElectricRCAircraftGuy/eRCaGuy_TimerCounter
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3
Makefile
3
Makefile
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@ -24,6 +24,7 @@ VPATH := $(foreach path, ${VPATH}, ${path} $(shell find ${path} -type d))
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# the VPATH list
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VPATH += ${PWD} \
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${PWD}/ArduinoMIDI/src \
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${PWD}/TimerCounter \
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# Build parameters
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BUILD_DIR := out
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@ -36,7 +37,7 @@ INCS := \
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$(foreach path, ${VPATH}, -I ${path}) \
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$(foreach path, ${VARIANTS}, -I ${path}) \
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CFLAGS := -O3 -DF_CPU=16000000UL ${MMCU} ${INCS}
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CFLAGS := -O3 -DF_CPU=16000000UL -DARDUINO=1000 ${MMCU} ${INCS}
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# Generate sections for each function and variable
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# so that LD can eliminate unused functions and variables
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CFLAGS += -ffunction-sections -fdata-sections
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@ -0,0 +1 @@
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Subproject commit f2651c78bce8a1b5f69d707ac3d019ef17ab8055
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@ -10,7 +10,8 @@
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],
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"defines": [
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"__ATmega328P__",
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"__AVR_ATmega328P__"
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"__AVR_ATmega328P__",
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"ARDUINO=1000",
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]
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}
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]
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6
main.cpp
6
main.cpp
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@ -1,5 +1,6 @@
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#include <Arduino.h>
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#include <MIDI.h>
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#include <eRCaGuy_Timer2_Counter.h>
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#include "motor_control.h"
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#define NUM_MOTORS 4
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@ -53,6 +54,9 @@ int main() {
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// Needed for some functions to work (like micros)
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init();
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// Timer based on Timer 2 (this breaks PWM output)
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timer2.setup();
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// Enable the motor drivers
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pinMode(8, OUTPUT);
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digitalWrite(8, LOW);
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@ -70,7 +74,7 @@ int main() {
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MIDI.setHandleNoteOff(midi_note_off);
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while (true) {
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unsigned long cur_micros = micros();
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unsigned long cur_micros = timer2.get_count() / 2ul; // The unit of get_count is 0.5us
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handle_tick(cur_micros);
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MIDI.read();
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}
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