Capacitive buttons
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3 changed files with 286 additions and 566 deletions
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@ -1,53 +1,23 @@
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#include <IRremote.h>
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#include <CapacitiveSensor.h>
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#define SERIAL_DEBUG 0
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// Remote controls
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#define RC6_CHM 0xFFA25D// CHANNEL -
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#define RC6_CH 0xFF629D// CHANNEL
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#define RC6_CHP 0xFFE21D// CHANNEL +
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#define RC6_PREV 0xFF22DD// |<< PREVIOUS
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#define RC6_NEXT 0xFF02FD// >>| NEXT
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#define RC6_PLAY 0xFFC23D// PLAY/PAUSE
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#define RC6_VM 0xFFE01F// VOLUME -
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#define RC6_VP 0xFFA857// VOLUME +
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#define RC6_EQ 0xFF906F// EQ
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#define RC6_0 0xFF6897// 0
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#define RC6_100 0xFF9867// 100+
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#define RC6_200 0xFFB04F// 200+
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#define RC6_1 0xFF30CF// 1
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#define RC6_2 0xFF18E7// 2
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#define RC6_3 0xFF7A85// 3
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#define RC6_4 0xFF10EF// 4
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#define RC6_5 0xFF38C7// 5
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#define RC6_6 0xFF5AA5// 6
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#define RC6_7 0xFF42BD// 7
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#define RC6_8 0xFF4AB5// 8
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#define RC6_9 0xFF52AD// 9
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#define AMP2540_VCDAUX 0x8FDBCE66
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#define AMP2540_TUNERCD 0xC375A98B
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#define AMP2540_DVD 0xCC7372A6
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#define AMP2540_TAPE 0xE917A076
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#define AMP2540_SEARCH 0xE82D76B6
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#define AMP2540_RESET 0x04D1A486
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#define AMP2540_VM 0xAB95D276
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#define AMP2540_VP 0x0217C346
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#define MODE_NORMAL 0
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#define MODE_SETTIME 1
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#define MODE_SETALARM 2
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#define PIN_BUTTON 3
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#define PIN_BUZZER 8
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#define PIN_IR 10
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#define PIN_BUZZER_LOUD 8
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#define PIN_BUZZER_QUIET 12
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#define PIN_LED_DUTY A0
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#define PIN_REG_CLOCK 7
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#define PIN_REG_DATA 5
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#define PIN_REG_LATCH 6
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IRrecv irrecv(PIN_IR);
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decode_results ircode;
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unsigned long last_ir = 0;
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CapacitiveSensor touch_0 = CapacitiveSensor(A1, 11);
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CapacitiveSensor touch_1 = CapacitiveSensor(A1, 10);
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CapacitiveSensor touch_2 = CapacitiveSensor(A1, 2);
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CapacitiveSensor touch_3 = CapacitiveSensor(A1, 9);
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// Matrix state
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unsigned char matrix[8] = {0b10000001, 0, 0, 0, 0, 0, 0, 0b10000001};
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@ -68,9 +38,12 @@ unsigned long alarm_time = 0;
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// Is alarm ringing
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unsigned char alarm_ringing = false;
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unsigned long alarm_ring_start;
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unsigned int led_duty;
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unsigned int led_duty_step = 3;
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unsigned long last_light_measure = 0;
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unsigned long touch_time[4] = {0, 0, 0, 0};
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unsigned long last_touch_measure = 0;
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// Bytewise reverse
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unsigned char reverse(unsigned char b) {
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@ -85,19 +58,11 @@ unsigned char fix_pixels(unsigned char b) {
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}
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void shift_matrix() {
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if(led_duty_step == 0) {
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digitalWrite(PIN_REG_LATCH, LOW);
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shiftOut(PIN_REG_DATA, PIN_REG_CLOCK, MSBFIRST, ~(1 << matrix_row_on));
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shiftOut(PIN_REG_DATA, PIN_REG_CLOCK, MSBFIRST, fix_pixels(matrix[(matrix_row_on+7)%8]));
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digitalWrite(PIN_REG_LATCH, HIGH);
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matrix_row_on = (matrix_row_on + 1) % 8;
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} else if(led_duty_step == 1) {
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digitalWrite(PIN_REG_LATCH, LOW);
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shiftOut(PIN_REG_DATA, PIN_REG_CLOCK, MSBFIRST, 255);
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shiftOut(PIN_REG_DATA, PIN_REG_CLOCK, MSBFIRST, 0);
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digitalWrite(PIN_REG_LATCH, HIGH);
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}
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led_duty_step ++;
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digitalWrite(PIN_REG_LATCH, LOW);
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shiftOut(PIN_REG_DATA, PIN_REG_CLOCK, MSBFIRST, ~(1 << matrix_row_on));
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shiftOut(PIN_REG_DATA, PIN_REG_CLOCK, MSBFIRST, fix_pixels(matrix[(matrix_row_on+7)%8]));
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digitalWrite(PIN_REG_LATCH, HIGH);
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matrix_row_on = (matrix_row_on + 1) % 8;
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}
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void draw_time(unsigned long t) {
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@ -146,10 +111,9 @@ void setup() {
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pinMode(PIN_REG_DATA, OUTPUT);
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pinMode(PIN_REG_CLOCK, OUTPUT);
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pinMode(PIN_REG_LATCH, OUTPUT);
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pinMode(PIN_BUZZER, OUTPUT);
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pinMode(PIN_BUZZER_QUIET, OUTPUT);
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pinMode(PIN_BUZZER_LOUD, OUTPUT);
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pinMode(PIN_BUTTON, INPUT_PULLUP);
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pinMode(PIN_LED_DUTY, INPUT);
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irrecv.enableIRIn();
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pinMode(13, OUTPUT);
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digitalWrite(13, LOW);
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@ -160,49 +124,68 @@ void setup() {
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}
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void loop() {
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if(led_duty_step > led_duty) {
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led_duty_step = 0;
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led_duty = (1023-analogRead(PIN_LED_DUTY)) / 128;
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}
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if(irrecv.decode(&ircode)) {
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#if SERIAL_DEBUG
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send_hex(ircode.value);
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#endif
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unsigned long val = ircode.value;
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if(val == last_ir) {
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alarm_ringing = false;
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switch(val) {
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case AMP2540_VCDAUX: mode = (mode+1) % 3; break;
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case AMP2540_VP: change_selected_number(1); break;
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case AMP2540_VM: change_selected_number(-1); break;
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case AMP2540_SEARCH: number_selection = (number_selection+1) % 4; break;
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case AMP2540_TUNERCD: alarm = !alarm; break;
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}
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last_ir = 0;
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} else {
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last_ir = val;
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#if SERIAL_DEBUG
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send_hex(touch_0.capacitiveSensor(10));
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send_hex(touch_1.capacitiveSensor(10));
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send_hex(touch_2.capacitiveSensor(10));
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send_hex(touch_3.capacitiveSensor(10));
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delay(100);
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#endif
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// Calibrate the thresholds according to your resistors
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if(millis() > last_touch_measure + 50) {
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if(touch_0.capacitiveSensor(10) > 127 && millis() > touch_time[0] + 250) {
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touch_time[0] = millis();
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mode = (mode+1) % 3;
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}
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irrecv.resume();
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if(touch_1.capacitiveSensor(10) > 127 && millis() > touch_time[1] + 250) {
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touch_time[1] = millis();
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number_selection = (number_selection+1) % 4;
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}
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if(touch_2.capacitiveSensor(10) > 32 && millis() > touch_time[2] + 200) {
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touch_time[2] = millis();
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change_selected_number(1);
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}
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if(touch_3.capacitiveSensor(10) > 32 && millis() > touch_time[3] + 200) {
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touch_time[3] = millis();
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change_selected_number(-1);
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}
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last_touch_measure = millis();
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}
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if(alarm && !alarm_ringing) {
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unsigned long t = ((millis() + time_offset) / 1000) % 86400;
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if(alarm_time / 1000 == t) {
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alarm_ringing = true;
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alarm_ring_start = millis();
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}
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}
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if(alarm_ringing) {
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if(millis()%1000 < 100) {
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matrix[7] = 0b11111111;
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digitalWrite(PIN_BUZZER, HIGH);
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if(alarm_ring_start + 30000 > millis()) {
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if(millis()%1000 < 100) {
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matrix[7] = 0b11111111;
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digitalWrite(PIN_BUZZER_LOUD, LOW);
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digitalWrite(PIN_BUZZER_QUIET, HIGH);
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} else {
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matrix[7] = 0b10000001;
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digitalWrite(PIN_BUZZER_LOUD, LOW);
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digitalWrite(PIN_BUZZER_QUIET, LOW);
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}
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} else {
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matrix[7] = 0b10000001;
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digitalWrite(PIN_BUZZER, LOW);
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if(millis()%1000 < 100) {
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matrix[7] = 0b11111111;
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digitalWrite(PIN_BUZZER_LOUD, HIGH);
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digitalWrite(PIN_BUZZER_QUIET, LOW);
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} else {
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matrix[7] = 0b10000001;
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digitalWrite(PIN_BUZZER_LOUD, LOW);
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digitalWrite(PIN_BUZZER_QUIET, LOW);
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}
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}
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if(digitalRead(PIN_BUTTON) == LOW) {
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digitalWrite(PIN_BUZZER, LOW);
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digitalWrite(PIN_BUZZER_LOUD, LOW);
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digitalWrite(PIN_BUZZER_QUIET, LOW);
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alarm_ringing = false;
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}
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}
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@ -218,6 +201,9 @@ void loop() {
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void change_selected_number(signed int nb) {
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switch(mode) {
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case MODE_NORMAL:
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if(nb > 0) alarm = true;
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else if(nb < 0) alarm = false;
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case MODE_SETTIME: change_time(&time_offset, nb); break;
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case MODE_SETALARM: change_time(&alarm_time, nb); break;
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}
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