18-heater Arduino code

Transcription

1 18-heater Arduino code Modified from original code by Charith Fernanado: #include <DueTimer.h> // Creation of variables volatile int idimmer=0; volatile boolean read_data=0; // Include timer for Arduino Due board // Integer variable used to delay the start of the dimming loop // Boolean to tell the Arduino Due whether to read serial data volatile int i1=0; // Variable used as a counter for heater 1 volatile int i2=0; // Variable used as a counter for heater 2 volatile int i3=0; volatile int i4=0; volatile int i5=0; volatile int i6=0; volatile int i7=0; volatile int i8=0; volatile int i9=0; volatile int i10=0; volatile int i11=0; volatile int i12=0; volatile int i13=0; volatile int i14=0; volatile int i15=0; volatile int i16=0; volatile int i17=0; volatile int i18=0; volatile boolean zero_cross1=0; // Boolean that switches when input waveform crosses zero // Definition of physical pin for each heater int AC_pin1 = 35; // Heater 1 is connected to physical pin 35 int AC_pin2 = 36; // Heater 2 is connected to physical pin 36 int AC_pin3 = 37; int AC_pin4 = 38; int AC_pin5 = 39; int AC_pin6 = 40; int AC_pin7 = 41; int AC_pin8 = 44; int AC_pin9 = 45; int AC_pin10 = 46; int AC_pin11 = 47; int AC_pin12 = 48; int AC_pin13 = 49; int AC_pin14 = 50; int AC_pin15 = 51; int AC_pin16 = 52; int AC_pin17 = 53; int AC_pin18 = 3;

2 int dim1 = 64; // Initial dimming level of heater 1 (0-64); 0 = on, 64 = off. // This means that we have 64 steps of dimming int dim2 = 64; // Initial dimming level of heater 2 int dim3 = 64; int dim4 = 64; int dim5 = 64; int dim6 = 64; int dim7 = 64; int dim8 = 64; int dim9 = 64; int dim10 = 64; int dim11 = 64; int dim12 = 64; int dim13 = 64; int dim14 = 64; int dim15 = 64; int dim16 = 64; int dim17 = 64; int dim18 = 64; // Beginning of the code void setup(){ pinmode(ac_pin1, OUTPUT); pinmode(ac_pin2, OUTPUT); pinmode(ac_pin3, OUTPUT); pinmode(ac_pin4, OUTPUT); pinmode(ac_pin5, OUTPUT); pinmode(ac_pin6, OUTPUT); pinmode(ac_pin7, OUTPUT); pinmode(ac_pin8, OUTPUT); pinmode(ac_pin9, OUTPUT); pinmode(ac_pin10, OUTPUT); pinmode(ac_pin11, OUTPUT); pinmode(ac_pin12, OUTPUT); pinmode(ac_pin13, OUTPUT); pinmode(ac_pin14, OUTPUT); pinmode(ac_pin15, OUTPUT); pinmode(ac_pin16, OUTPUT); pinmode(ac_pin17, OUTPUT); pinmode(ac_pin18, OUTPUT); attachinterrupt(2, zero_crosss_int,rising); Serial.begin(115200); Timer3.attachInterrupt(counter).start(131); // Start of setup loop // Define pins as outputs to drive triacs // Define pin 2 as the input signal of the // zero-cross signal and call the function // at the zero-cross // Start bit/sec // Define timer #3 to start the function // counter every 131 us = 1/64 th of the // half sine-wave period 8.33ms Timer1.attachInterrupt(dim_counter).start(50); // Define the timer #1 to start the function // dim_counter every 50 us

3 // End of setup loop void zero_crosss_int(){ // Function triggered by zero crossing // This loop starts the reading of the serial buffer at each zero-cross. idimmer=0; // Initialize the variable idimmer read_data=true; // Tell Arduino to start reading the data in the serial buffer // End of zero-cross loop // Allow 2300 us for reading the serial buffer delay loop void dim_counter(){ // Definition of dim_counter loop // This loop introduces a delay of 2300 us to match the delay between the appearance of the zero- // cross signal and the actual zero-crossing event. This delay is just enough time for the serial // buffer to be read. Just inserting a delay here would cause the serial read to be stopped. if (idimmer==46){ read_data=false; // dim_counter is started every 50us. Thus if idimmer==46, // 2300us have elapsed since the triggering zero-crossing // Tell Arduino to stop reading the data in the serial buffer zero_cross1 = true; // Set the Boolean to true to tell the dimming function that a // delayed zero-crossing has actually occurred i1=0; // Initialize variable for dimming sequence ( heater 1) i2=0; // Initialize variable for dimming sequence ( heater 2) i3=0; i4=0; i5=0; i6=0; i7=0; i8=0; i9=0; i10=0; i11=0; i12=0; i13=0; i14=0; i15=0; i16=0; i17=0; i18=0; digitalwrite(ac_pin1, LOW); // Turn heater 1 OFF, or leave it off if already off digitalwrite(ac_pin2, LOW); // Turn heater 2 OFF, or leave it off if already off digitalwrite(ac_pin3, LOW); digitalwrite(ac_pin4, LOW); digitalwrite(ac_pin5, LOW); digitalwrite(ac_pin6, LOW); digitalwrite(ac_pin7, LOW); digitalwrite(ac_pin8, LOW); digitalwrite(ac_pin9, LOW); digitalwrite(ac_pin10, LOW);

4 else{ digitalwrite(ac_pin11, LOW); digitalwrite(ac_pin12, LOW); digitalwrite(ac_pin13, LOW); digitalwrite(ac_pin14, LOW); digitalwrite(ac_pin15, LOW); digitalwrite(ac_pin16, LOW); digitalwrite(ac_pin17, LOW); digitalwrite(ac_pin18, LOW); idimmer++; // Increment on the idimmer loop // Until idimmer reaches 46, do nothing idimmer++; // Increment on the idimmer loop // End of the if idimmer==46 loop // End of dim_counter loop // Turn on the triacs at the appropriate times dimmer loop void counter() { // Start of the loop of the actual dimming // Each step is 1/64 th of a half-cycle if(zero_cross1 == true) { // Check that the delayed zero-cross has occurred if(i1>=dim1) { // Check if heater 1 set-point has been reached digitalwrite(ac_pin1, HIGH); // Turn heater 1 ON i1=0; // Reset time step counter of heater 1 zero_cross1=false; // Reset zero-cross Boolean // If set-point has not been reached, continue i1++; if(i2>=dim2) { // For heater 2 digitalwrite(ac_pin2, HIGH); i2=0; i2++; if(i3>=dim3) { digitalwrite(ac_pin3, HIGH); i3=0; i3++; if(i4>=dim4) { digitalwrite(ac_pin4, HIGH); i4=0; i4++; if(i5>=dim5) { digitalwrite(ac_pin5, HIGH);

5 i5=0; i5++; if(i6>=dim6) { digitalwrite(ac_pin6, HIGH); i6=0; i6++; if(i7>=dim7) { digitalwrite(ac_pin7, HIGH); i7=0; i7++; if(i8>=dim8) { digitalwrite(ac_pin8, HIGH); i8=0; i8++; if(i9>=dim9) { digitalwrite(ac_pin9, HIGH); i9=0; i9++; if(i10>=dim10) { digitalwrite(ac_pin10, HIGH); i10=0; i10++; if(i11>=dim11) { digitalwrite(ac_pin11, HIGH); i11=0; i11++; if(i12>=dim12) { digitalwrite(ac_pin12, HIGH); i12=0;

6 i12++; if(i13>=dim13) { digitalwrite(ac_pin13, HIGH); i13=0; i13++; if(i14>=dim14) { digitalwrite(ac_pin14, HIGH); i14=0; i14++; if(i15>=dim15) { digitalwrite(ac_pin15, HIGH); i15=0; i15++; if(i16>=dim16) { digitalwrite(ac_pin16, HIGH); i16=0; i16++; if(i17>=dim17) { digitalwrite(ac_pin17, HIGH); i17=0; i17++; if(i18>=dim18) { digitalwrite(ac_pin18, HIGH); i18=0; i18++; // End of dimming loop for all heaters //Read serial input data read loop

7 void loop() { // Continuously run loop reads serial input data while (read_data==true ) { if (Serial.available() > 0){ if (Serial.find("s")) { // Find the character s which defines the // beginning of the string (example: s3,17,60 ) dim1 = Serial.parseInt(); // Look for the next valid integer in the // incoming serial stream and set as // set it as the heater 1 setpoint dim2 = Serial.parseInt(); dim3 = Serial.parseInt(); dim4 = Serial.parseInt(); dim5 = Serial.parseInt(); dim6 = Serial.parseInt(); dim7 = Serial.parseInt(); dim8 = Serial.parseInt(); dim9 = Serial.parseInt(); dim10 = Serial.parseInt(); dim11 = Serial.parseInt(); dim12 = Serial.parseInt(); dim13 = Serial.parseInt(); dim14 = Serial.parseInt(); dim15 = Serial.parseInt(); dim16 = Serial.parseInt(); dim17 = Serial.parseInt(); dim18 = Serial.parseInt(); else{ dim1 = 64; dim2 = 64; dim3 = 64; dim4 = 64; dim5 = 64; dim6 = 64; dim7 = 64; dim8 = 64; dim9 = 64; dim10 = 64; dim11 = 64; dim12 = 64; dim13 = 64; dim14 = 64; dim15 = 64; dim16 = 64; dim17 = 64; dim18 = 64; // If the serial buffer is empty, then make all heater // set-points equal to 64; i.e., turn all heaters off