2016-01-10 Dobrica Pavlinusic <dpavlin@rot13.org>
*/
+#include <EEPROM.h>
+
const int led_pin = 13;
const int buzzer_pin = 4;
-const int mosfet_pins[] = { 9, 10, 6 };
-int mosfet_pwm[] = { 0, 0, 0 };
+const int mosfet_pins[] = { 9, 10, 6 }; // PWM pins: 3,5,6,9,10,11
+const int ldr_pin = A3; // LDR +5 -- A3 -[10K]- GND
+const int pir_pin = A2;
+
+
+#define TOUCHPAD 1 // set this to 0 if debugging without touchpad
+
+int LDR_SIZE = 1; // 1 number of LDR reading to average
+int LDR_NOISE = 6; // 6 calibrate LDR noise level
+int LDR_CHANGE = 1; // do we report LDR changes?
+
+#define PIR_TIMEOUT 10 // s
+
+#if TOUCHPAD
+#include <ps2.h>
+PS2 mouse(8, 7); // PS2 synaptics clock, data
+#endif
+#define TP_LANDSCAPE 0
+
+
+int mosfet_pwm[] = { 1, 1, 1 }; // initial and current state of mosfet pwm
+
+void MOSFET_PWM(int i, int pwm) {
+ analogWrite(mosfet_pins[i], pwm);
+ Serial.print("MOSFET=");
+ Serial.print(i);
+ Serial.print(":");
+ Serial.println(pwm);
+}
+
void setup() {
Serial.begin(115200);
+ Serial.println("setup");
pinMode(led_pin, OUTPUT);
+ digitalWrite(led_pin, HIGH); // signal reset
+
pinMode(buzzer_pin, OUTPUT);
- for(int i=0; i<sizeof(mosfet_pins); i++) pinMode(mosfet_pins[i], OUTPUT);
+ for(int i=0; i<=2; i++) {
+ pinMode(mosfet_pins[i], OUTPUT);
+ analogWrite(mosfet_pins[i], 0);
+ }
+
+ pinMode(ldr_pin, INPUT);
+
+ pinMode(pir_pin, INPUT);
- Serial.println("Commands: b - beep, qwe/asd/zxc - MOSFETs");
+#if TOUCHPAD
+ Serial.println("Synaptics touchpad init");
+
+ mouse.write(0xff); // reset
+ mouse.read(); // ack byte
+ mouse.read(); // blank */
+
+ mouse.read(); // blank */
+ mouse.write(0xf0); // remote mode -- send motion data only on $EB (read data) command
+ mouse.read(); // ack
+ delayMicroseconds(100);
+ mouse.write(0xe8); // set resolution
+ mouse.read(); // ack byte
+ mouse.write(0x03); // rr ( rr * 64 + ss * 16 + tt * 4 + uu == modebyte )
+ mouse.read(); // ack byte
+ mouse.write(0xe8);
+ mouse.read(); // ack byte
+ mouse.write(0x00); // ss
+ mouse.read(); // ack byte
+ mouse.write(0xe8);
+ mouse.read(); // ack byte
+ mouse.write(0x01); // tt
+ mouse.read(); // ack byte
+ mouse.write(0xe8);
+ mouse.read(); // ack byte
+ mouse.write(0x00); // uu
+ mouse.read(); // ack byte
+ mouse.write(0xf3); // set samplerate 20 (stores mode)
+ mouse.read(); // ack byte
+ mouse.write(0x14);
+ mouse.read(); // ack byte
+ delayMicroseconds(100);
+
+#endif
+
+ Serial.print("Commands: b - beep, qwe/asd/zxc - MOSFETs, hjkl - single step fade, ui/op/[/] - LDR size-+/noise-+/read/changes, P - PIR\nLDR = ");
+ int ldr = analogRead(ldr_pin);
+ Serial.println(ldr);
+
+ for(int i=0; i<=2; i++) {
+ analogWrite(mosfet_pins[i], 1);
+ delay(100);
+ int ldr = analogRead(ldr_pin);
+ Serial.println(ldr);
+ analogWrite(mosfet_pins[i], 0);
+ }
+
+ // recall startup values
+ for(int i=0; i<=2; i++) {
+ int pwm = EEPROM.read(i);
+ mosfet_pwm[i] = pwm;
+ analogWrite(mosfet_pins[i], pwm);
+ }
+
+ digitalWrite(led_pin, LOW);
}
Serial.println("ignored");
return;
}
- Serial.print("MOSFET ");
- Serial.print(nr);
- Serial.print(" = ");
- Serial.println(value);
- int sleep = 1000 / abs(pwm - value);
+ int sleep = 200 / abs(pwm - value); // changes bigger than 200 (on/off) will be instant
int step = pwm < value ? 1 : -1;
- for(int i=pwm; i != value; i += step) {
+ for(int i=pwm + step; i != value; i += step) {
+ //MOSFET_PWM(nr, i);
analogWrite(mosfet_pins[nr], i);
- Serial.println(i);
delay(sleep);
}
- analogWrite(mosfet_pins[nr], value);
+ MOSFET_PWM(nr, value);
mosfet_pwm[nr] = value;
}
+
+unsigned int last_cx = 0;
+unsigned int last_cy = 0;
+
+int last_ldr = 0;
+static int ldr_sum = 0;
+static int ldr_count = 0;
+
+int last_pir = 0;
+long int pir_millis = millis();
+
+int vi_nr = 0; // mosfet to fade with vi binadings
+
+
void loop() {
+
+#if TOUCHPAD
+ byte mstat1;
+ byte mstat2;
+ byte mxy;
+ byte mx; //x coordinate
+ byte my; //y coordinate
+ byte mz; //z pressure value
+
+ unsigned int cx,cy;
+
+ mouse.write(0xeb); // read data
+ mouse.read();
+
+ mstat1 = mouse.read();
+ mxy = mouse.read();
+ mz = mouse.read();
+ mstat2 = mouse.read();
+ mx = mouse.read();
+ my = mouse.read();
+
+
+ // collect the bits for x and y
+ cx = (((mstat2 & 0x10) << 8) | ((mxy & 0x0F) << 8) | mx ); // 1100-5800
+ cy = (((mstat2 & 0x20) << 7) | ((mxy & 0xF0) << 4) | my ); // 800-5000
+
+ if ( last_cx != cx || last_cy != cy ) {
+ last_cx = cx;
+ last_cy = cy;
+ Serial.print("X=");
+ Serial.print(cx, DEC);
+ Serial.print("\tY=");
+ Serial.print(cy, DEC);
+ Serial.print("\tZ=");
+ Serial.print(mz, DEC);
+ if ( cx > 1100 && cy > 800 ) {
+#if TP_LANDSCAPE
+ int nr = ( cx - 1100 ) / (( 5800 - 1100 ) / 3);
+ int pwm = ( cy - 800 ) / (( 5000 - 800 ) / 255);
+#else
+ int pwm = ( cx - 1100 ) / (( 5800 - 1100 ) / 255);
+ int nr = ( cy - 800 ) / (( 5000 - 800 ) / 4);
+ if ( nr > 2 ) nr -= 1; // 0 [ 1 2 ] 3 -> 0 1 2
+#endif
+ pwm -= 1; // allow off
+ Serial.print("\tmosfet = ");
+ Serial.print(nr);
+ Serial.print("\tpwm = ");
+ Serial.print(pwm);
+ if ( nr >= 0 && nr <= 2 && pwm >= 0 && pwm <= 255 ) {
+ Serial.println("\tOK");
+ MOSFET_PWM(nr, pwm);
+ mosfet_pwm[nr] = pwm;
+ } else {
+ Serial.println("\tIGNORED");
+ }
+ }
+ }
+#endif
+
+
+ int ldr = analogRead(ldr_pin);
+ ldr_sum += ldr;
+ ldr_count++;
+ if ( ldr_count > LDR_SIZE ) {
+ ldr = ldr_sum / ldr_count;
+ ldr_count = 0;
+ ldr_sum = 0;
+
+ if ( abs(ldr-last_ldr) > LDR_NOISE && LDR_CHANGE ) {
+ Serial.print("LDR = ");
+ Serial.println(ldr);
+ last_ldr = ( last_ldr + ldr ) / 2;
+ }
+ }
+
+
+ int pir = digitalRead(pir_pin);
+ if ( pir != last_pir) {
+ last_pir = pir;
+ Serial.print("PIR = ");
+ Serial.println(pir);
+ }
+
+ long int ms = millis();
+ if ( pir == 0 ) {
+ if (pir_millis > 0 && ms - pir_millis > PIR_TIMEOUT * 1000 ) {
+ Serial.println("PIR timeout, fade-out");
+ pir_millis = -1; // mark that we are in timeout
+ for(int i=0; i<=2; i++) {
+ MOSFET_PWM(i, 0);
+ }
+ }
+ } else {
+ if (pir_millis < 0) {
+ Serial.println("PIR fade-in after timeout");
+ for(int i=0; i<=2; i++) {
+ MOSFET_PWM(i, mosfet_pwm[i]);
+ }
+ }
+ pir_millis = ms;
+ }
+
+
if (Serial.available()) {
digitalWrite(led_pin, HIGH);
int in = Serial.read();
case 'd': mosfet(2, 127); break;
case 'c': mosfet(2, 0); break;
+ // vi mappings
+ case 'h': vi_nr = ( vi_nr - 1 + 3 ) % 3; Serial.println(vi_nr); break;
+ case 'j': mosfet(vi_nr, (mosfet_pwm[vi_nr]-1+255)%255 ); break;
+ case 'k': mosfet(vi_nr, (mosfet_pwm[vi_nr]+1)%255 ); break;
+ case 'l': vi_nr = ( vi_nr + 1 ) % 3; Serial.println(vi_nr); break;
+
+ // LDR
+ case 'u': LDR_SIZE -= 1; Serial.println(LDR_SIZE); break;
+ case 'i': LDR_SIZE += 1; Serial.println(LDR_SIZE); break;
+ case 'o': LDR_NOISE -= 1; Serial.println(LDR_NOISE); break;
+ case 'p': LDR_NOISE += 1; Serial.println(LDR_NOISE); break;
+ case '[': Serial.println(ldr); break;
+ case ']': LDR_CHANGE = ! LDR_CHANGE; break;
+
+ case 'P': Serial.println(pir); break;
+
+ case 'S':
+ for(int i=0; i<3; i++) EEPROM.write(i, mosfet_pwm[i]);
+ Serial.println("EEPROM store brightness");
+ break;
+
/*
m1 = (m1 + 10) % 255;
analogWrite(mosfet1_pin, m1);
}
digitalWrite(led_pin, LOW);
}
+
}
projects / Arduino / blobdiff