Arduino Firmware of my Table Saw Box Joint Jig
| #include <EEPROM.h> | |
| #include <LiquidCrystal.h> | |
| #include <Button.h> //https://github.com/carlynorama/Arduino-Library-Button | |
| #include <AccelStepper.h> //http://www.open.com.au/mikem/arduino/AccelStepper/ | |
| #define STEPS_MM 486 | |
| #define MAX_SPEED 700 | |
| #define ACCELERATION 4000 | |
| #define ZERO_SPEED 700 | |
| #define MIN_BLADE_ZERO 2 | |
| #define MODE_CUT_JOINT 0 | |
| #define MODE_CUT_TENON 1 | |
| #define MODE_ZERO 2 | |
| #define MODE_SET_BLADE_WIDTH 3 | |
| #define MODE_SET_BLADE_ZERO 4 | |
| #define MODE_SET_TENON_START 5 | |
| #define MODE_SET_TENON_WIDTH 6 | |
| #define MODE_COUNT 7 | |
| AccelStepper stepper(1, 3, 2); | |
| LiquidCrystal lcd(9, 8, 13, 12, 11, 10); | |
| Button zero(7, LOW); | |
| Button up(6, LOW); | |
| Button ok(5, LOW); | |
| Button down(4, LOW); | |
| boolean changed = false; | |
| int mode = 2; | |
| int jointstep = 0; | |
| int tenonstep = 0; | |
| float bladewidth = 0; | |
| float bladezero = 10; | |
| float tenonstart = 8; | |
| float tenonwidth = 8; | |
| boolean zeromove = false; | |
| /**************************************************************/ | |
| void setup(){ | |
| Serial.begin(9600); | |
| Serial.println("ACTSBJJ"); | |
| stepper.setMaxSpeed(MAX_SPEED); | |
| stepper.setAcceleration(ACCELERATION); | |
| lcd.begin(16, 2); | |
| lcd.print("ACTSBJJ"); | |
| digitalWrite(7, HIGH); | |
| digitalWrite(6, HIGH); | |
| digitalWrite(5, HIGH); | |
| digitalWrite(4, HIGH); | |
| delay(1000); | |
| readBladeWidthFromEEPROM(); | |
| readBladeZeroFromEEPROM(); | |
| readTenonStartFromEEPROM(); | |
| readTenonWidthFromEEPROM(); | |
| displayMode(); | |
| } | |
| //--------------------- | |
| void loop(){ | |
| zero.listen(); | |
| up.listen(); | |
| ok.listen(); | |
| down.listen(); | |
| if(zero.onPress()) handleZero(); | |
| if(zeromove){ | |
| stepper.runSpeed(); | |
| return; | |
| } | |
| if(stepper.run()) return; | |
| if(ok.onPress()) handleOk(); | |
| if(up.onPress()) handleUp(); | |
| if(down.onPress()) handleDown(); | |
| if(up.isHold()) handleUpHold(); | |
| if(down.isHold()) handleDownHold(); | |
| } | |
| //--------------------- | |
| void moveTo(float mmpos){ | |
| stepper.moveTo(mmpos * STEPS_MM); | |
| } | |
| void moveBladeZero(){ | |
| jointstep = 0; | |
| tenonstep = 0; | |
| moveTo(bladezero); | |
| } | |
| void moveJointStep(){ | |
| moveTo(bladezero+jointstep*bladewidth); | |
| } | |
| void moveTenonStep(){ | |
| switch(tenonstep){ | |
| case 0: | |
| moveTo(bladezero); | |
| break; | |
| case 1: | |
| moveTo(bladezero+tenonstart); | |
| break; | |
| case 2: | |
| moveTo(bladezero+tenonstart+tenonwidth+bladewidth); | |
| break; | |
| } | |
| } | |
| /**************************************************************/ | |
| void handleZero(){ | |
| zeromove = false; | |
| stepper.setCurrentPosition(0); | |
| moveTo(bladezero); | |
| jointstep = 0; | |
| tenonstep = 0; | |
| displayMode(); | |
| } | |
| void handleOk(){ | |
| if(mode == MODE_SET_BLADE_WIDTH && changed) writeBladeWidthToEEPROM(); | |
| if(mode == MODE_SET_BLADE_ZERO && changed) writeBladeZeroToEEPROM(); | |
| if(mode == MODE_SET_TENON_START && changed) writeTenonStartToEEPROM(); | |
| if(mode == MODE_SET_TENON_WIDTH && changed) writeTenonWidthToEEPROM(); | |
| changed = false; | |
| mode = (mode+1)%MODE_COUNT; | |
| displayMode(); | |
| } | |
| //--------------------- | |
| void handleUp(){ | |
| switch(mode){ | |
| case MODE_CUT_JOINT: | |
| jointstep ++; | |
| moveJointStep(); | |
| break; | |
| case MODE_CUT_TENON: | |
| if(tenonstep < 2) tenonstep ++; | |
| moveTenonStep(); | |
| break; | |
| case MODE_ZERO: | |
| break; | |
| case MODE_SET_BLADE_WIDTH: | |
| bladewidth += 0.01; | |
| break; | |
| case MODE_SET_BLADE_ZERO: | |
| bladezero += 0.01; | |
| moveBladeZero(); | |
| break; | |
| case MODE_SET_TENON_START: | |
| tenonstart += 0.01; | |
| break; | |
| case MODE_SET_TENON_WIDTH: | |
| tenonwidth += 0.01; | |
| break; | |
| } | |
| changed = true; | |
| displayUpdate(); | |
| } | |
| //--------------------- | |
| void handleDown(){ | |
| switch(mode){ | |
| case MODE_CUT_JOINT: | |
| if(jointstep > 0) jointstep --; | |
| moveJointStep(); | |
| break; | |
| case MODE_CUT_TENON: | |
| if(tenonstep > 0) tenonstep --; | |
| moveTenonStep(); | |
| break; | |
| case MODE_ZERO: | |
| stepper.setSpeed(-ZERO_SPEED); | |
| zeromove = true; | |
| break; | |
| case MODE_SET_BLADE_WIDTH: | |
| if(bladewidth > 0) bladewidth -= 0.01; | |
| break; | |
| case MODE_SET_BLADE_ZERO: | |
| if(bladezero > MIN_BLADE_ZERO) bladezero -= 0.01; | |
| moveBladeZero(); | |
| break; | |
| case MODE_SET_TENON_START: | |
| if(tenonstart > 0) tenonstart -= 0.01; | |
| break; | |
| case MODE_SET_TENON_WIDTH: | |
| if(tenonwidth > 0) tenonwidth -= 0.01; | |
| break; | |
| } | |
| changed = true; | |
| displayUpdate(); | |
| } | |
| //--------------------- | |
| void handleUpHold(){ | |
| switch(mode){ | |
| case MODE_SET_BLADE_WIDTH: | |
| bladewidth += 0.01; | |
| break; | |
| case MODE_SET_BLADE_ZERO: | |
| bladezero += 0.01; | |
| moveBladeZero(); | |
| break; | |
| case MODE_SET_TENON_START: | |
| tenonstart += 0.01; | |
| break; | |
| case MODE_SET_TENON_WIDTH: | |
| tenonwidth += 0.01; | |
| break; | |
| } | |
| changed = true; | |
| displayUpdate(); | |
| } | |
| //--------------------- | |
| void handleDownHold(){ | |
| switch(mode){ | |
| case MODE_SET_BLADE_WIDTH: | |
| if(bladewidth > 0) bladewidth -= 0.01; | |
| break; | |
| case MODE_SET_BLADE_ZERO: | |
| if(bladezero > MIN_BLADE_ZERO) bladezero -= 0.01; | |
| moveBladeZero(); | |
| break; | |
| case MODE_SET_TENON_START: | |
| if(tenonstart > 0) tenonstart -= 0.01; | |
| break; | |
| case MODE_SET_TENON_WIDTH: | |
| if(tenonwidth > 0) tenonwidth -= 0.01; | |
| break; | |
| } | |
| changed = true; | |
| displayUpdate(); | |
| } | |
| //--------------------- | |
| void displayMode(){ | |
| lcd.clear(); | |
| switch(mode){ | |
| case MODE_CUT_JOINT: | |
| lcd.print("Box Joint Cut"); | |
| lcd.setCursor(0, 1); | |
| lcd.print("Step: "); | |
| lcd.print(jointstep); | |
| break; | |
| case MODE_CUT_TENON: | |
| lcd.print("Tenon Cut"); | |
| lcd.setCursor(0, 1); | |
| lcd.print("Step: "); | |
| switch(tenonstep){ | |
| case 0: | |
| lcd.print("zero"); | |
| break; | |
| case 1: | |
| lcd.print("first cut"); | |
| break; | |
| case 2: | |
| lcd.print("second cut"); | |
| break; | |
| } | |
| break; | |
| case MODE_ZERO: | |
| lcd.print("Set zero"); | |
| lcd.setCursor(0, 1); | |
| lcd.print("> Press down"); | |
| break; | |
| case MODE_SET_BLADE_WIDTH: | |
| lcd.print("Blade width"); | |
| lcd.setCursor(0, 1); | |
| lcd.print(bladewidth); | |
| lcd.print(" mm"); | |
| break; | |
| case MODE_SET_BLADE_ZERO: | |
| lcd.print("Blade zero"); | |
| lcd.setCursor(0, 1); | |
| lcd.print(bladezero); | |
| lcd.print(" mm"); | |
| break; | |
| case MODE_SET_TENON_START: | |
| lcd.print("Tenon start"); | |
| lcd.setCursor(0, 1); | |
| lcd.print(tenonstart); | |
| lcd.print(" mm"); | |
| break; | |
| case MODE_SET_TENON_WIDTH: | |
| lcd.print("Tenon width"); | |
| lcd.setCursor(0, 1); | |
| lcd.print(tenonwidth); | |
| lcd.print(" mm"); | |
| break; | |
| } | |
| } | |
| //--------------------- | |
| void displayUpdate(){ | |
| switch(mode){ | |
| case MODE_CUT_JOINT: | |
| lcd.setCursor(6, 1); | |
| lcd.print(jointstep); | |
| lcd.print(" "); | |
| break; | |
| case MODE_CUT_TENON: | |
| lcd.setCursor(6, 1); | |
| switch(tenonstep){ | |
| case 0: | |
| lcd.print("zero"); | |
| break; | |
| case 1: | |
| lcd.print("first cut"); | |
| break; | |
| case 2: | |
| lcd.print("second cut"); | |
| break; | |
| } | |
| lcd.print(" "); | |
| break; | |
| case MODE_ZERO: | |
| if(zeromove){ | |
| lcd.clear(); | |
| lcd.print("Setting zero..."); | |
| } | |
| break; | |
| case MODE_SET_BLADE_WIDTH: | |
| lcd.setCursor(0, 1); | |
| lcd.print(bladewidth); | |
| lcd.print(" mm "); | |
| break; | |
| case MODE_SET_BLADE_ZERO: | |
| lcd.setCursor(0, 1); | |
| lcd.print(bladezero); | |
| lcd.print(" mm "); | |
| break; | |
| case MODE_SET_TENON_START: | |
| lcd.setCursor(0, 1); | |
| lcd.print(tenonstart); | |
| lcd.print(" mm "); | |
| break; | |
| case MODE_SET_TENON_WIDTH: | |
| lcd.setCursor(0, 1); | |
| lcd.print(tenonwidth); | |
| lcd.print(" mm "); | |
| break; | |
| } | |
| } | |
| /**************************************************************/ | |
| void readBladeWidthFromEEPROM(){ | |
| int b = (int)EEPROM.read(0) << 8 | (int)EEPROM.read(1); | |
| bladewidth = (float)b/100; | |
| } | |
| void writeBladeWidthToEEPROM(){ | |
| int b = bladewidth*100; | |
| EEPROM.write(0, (byte)(b >> 8)); | |
| EEPROM.write(1, (byte)b); | |
| } | |
| //--------------------- | |
| void readBladeZeroFromEEPROM(){ | |
| int b = (int)EEPROM.read(2) << 8 | (int)EEPROM.read(3); | |
| bladezero = max((float)b/100, MIN_BLADE_ZERO); | |
| } | |
| void writeBladeZeroToEEPROM(){ | |
| int b = bladezero*100; | |
| EEPROM.write(2, (byte)(b >> 8)); | |
| EEPROM.write(3, (byte)b); | |
| } | |
| //--------------------- | |
| void readTenonStartFromEEPROM(){ | |
| int b = (int)EEPROM.read(4) << 8 | (int)EEPROM.read(5); | |
| tenonstart = (float)b/100; | |
| } | |
| void writeTenonStartToEEPROM(){ | |
| int b = tenonstart*100; | |
| EEPROM.write(4, (byte)(b >> 8)); | |
| EEPROM.write(5, (byte)b); | |
| } | |
| //--------------------- | |
| void readTenonWidthFromEEPROM(){ | |
| int b = (int)EEPROM.read(6) << 8 | (int)EEPROM.read(7); | |
| tenonwidth = (float)b/100; | |
| } | |
| void writeTenonWidthToEEPROM(){ | |
| int b = tenonwidth*100; | |
| EEPROM.write(6, (byte)(b >> 8)); | |
| EEPROM.write(7, (byte)b); | |
| } |
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