Added firmware
This commit is contained in:
219
Firmware/firmware_command/firmware_command.ino
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219
Firmware/firmware_command/firmware_command.ino
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@@ -0,0 +1,219 @@
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#include <Arduino.h>
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#define FADER1 A0
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#define SR_DATA A5 //19
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#define SR_CLOCK 5
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#define SR_LATCH A4 //18
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#define MTX_I 2 //18
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bool last_button_state[80];
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/*
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UART-Init:
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Berechnung des Wertes für das Baudratenregister
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aus Taktrate und gewünschter Baudrate
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*/
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#ifndef F_CPU
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#define F_CPU 16000000UL
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#endif
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/// CONFIG
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#define BAUD 19200UL // Baudrate
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#define CHANNEL 4 // midi channel
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#define OFFSET 0 // first midi note
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// Berechnungen
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#define UBRR_VAL ((F_CPU + BAUD * 8) / (BAUD * 16) - 1) // clever runden
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#define BAUD_REAL (F_CPU / (16 * (UBRR_VAL + 1))) // Reale Baudrate
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#define BAUD_ERROR ((BAUD_REAL * 1000) / BAUD) // Fehler in Promille, 1000 = kein Fehler.
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#if ((BAUD_ERROR < 990) || (BAUD_ERROR > 1010))
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#error Systematischer Fehler der Baudrate grösser 1% und damit zu hoch!
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#endif
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void setup() {
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// prints title with ending line break
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for (int i = 0; i < 80; i++) {
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last_button_state[i] = 0;
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}
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//DDRB |= 0b00111111; // PORT_A contains matrix rows 1-2
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//DDRD |= 0b11000000; // PORT_B contains matrix rows 3-8
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pinMode(SR_DATA, OUTPUT);
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pinMode(SR_CLOCK, OUTPUT);
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pinMode(SR_LATCH, OUTPUT);
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pinMode(MTX_I, OUTPUT);
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//pinMode(12, OUTPUT); // 1
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//pinMode(11, OUTPUT); // 2
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//pinMode(2, OUTPUT); // 3
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//pinMode(3, OUTPUT); // 4
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//pinMode(4, OUTPUT); // 5
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//pinMode(5, OUTPUT); // 6
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//pinMode(6, OUTPUT); // 7
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//pinMode(7, OUTPUT); // 8
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//pinMode(8, INPUT); // A
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//pinMode(9, INPUT); // B
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//pinMode(10, INPUT); // V
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// init uart
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UBRR0 = UBRR_VAL;
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UCSR0B |= (1 << TXEN0);
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UCSR0B |= (1 << RXEN0);
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// Frame Format: Asynchron 8N1
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UCSR0C = (1 << UCSZ01) | (1 << UCSZ00);
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UCSR0B |= (1 << RXCIE0);
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sei();
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}
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int uart_putc(unsigned char c) {
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while (!(UCSR0A & (1 << UDRE0))) /* warten bis Senden moeglich */
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{
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}
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UDR0 = c; /* sende Zeichen */
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return 0;
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}
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// first visible ASCIIcharacter '!' is number 33:
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int thisByte = 33;
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// you can also write ASCII characters in single quotes.
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// for example, '!' is the same as 33, so you could also use this:
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// int thisByte = '!';
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uint8_t noteON = B10010000;
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uint8_t noteOFF = B10000000;
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int last_fader[1] = { 0 };
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int pins_fader[1] = { FADER1 };
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char buttons[3] = { 'A', 'B', 'C' };
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char in_msg[63]; //ringbuffer for incomming midi
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uint16_t in_index_last = 0;
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uint16_t in_index_top = 0;
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long int lastin = 0;
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int in_last = 0;
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void loop() {
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processAnalog();
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//processQueue();
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processMatrix();
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//processQueue();
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}
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uint8_t start_ch = OFFSET;
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void midi_put_buffer(char data) {
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//clear buffer if last tx is 1 sec ago
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long int now = millis();
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if (now - lastin > 1000) {
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in_index_top = 0;
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in_index_last = 0;
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}
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lastin = now;
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in_msg[in_index_top] = data;
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in_index_top++;
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if (in_index_top >= 63) {
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in_index_top = 0;
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}
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}
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void midi_send_buffer_single() {
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uint16_t diff = 0;
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if (in_index_top < in_index_last) {
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diff = (63 + in_index_top) - in_index_last;
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} else {
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diff = in_index_top - in_index_last;
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}
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if (diff > 2) {
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uart_putc(in_msg[in_index_last + 0]);
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uart_putc(in_msg[in_index_last + 1]);
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uart_putc(in_msg[in_index_last + 2]);
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in_index_last += 3;
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if (in_index_last >= 63) {
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in_index_last -= 63;
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}
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}
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}
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ISR(USART_RX_vect) {
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unsigned char b;
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b = UDR0;
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midi_put_buffer(b);
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}
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void processQueue() {
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midi_send_buffer_single();
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}
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void processAnalog() {
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for (int i = 0; i < 1; i++) {
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int val = analogRead(pins_fader[i]);
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if (val - last_fader[i] > 2 || val - last_fader[i] < -2) {
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sendMessageNote(CHANNEL, 1 + i, map(val, 1, 1022, 127, 0));
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last_fader[i] = val;
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} else if ((val < 2 && last_fader[i] > 2) || (val > 1022 && last_fader[i] < 1022)) {
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sendMessageNote(CHANNEL, 1 + i, map(val, 1, 1022, 127, 0));
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last_fader[i] = val;
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}
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}
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}
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void srClock(uint8_t bit) {
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digitalWrite(SR_DATA, bit);
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digitalWrite(SR_CLOCK, 1);
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digitalWrite(SR_CLOCK, 0);
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digitalWrite(SR_LATCH, 1);
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digitalWrite(SR_LATCH, 0);
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}
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void processMatrix() {
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srClock(1); //shift 1st byte
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for (int i = 0; i < 9; i++) {
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if (i == 8) {
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digitalWrite(MTX_I, HIGH);
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} else {
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digitalWrite(MTX_I, LOW);
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}
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int baseId = i * 8;
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uint8_t data = getMatrix();
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for (int b = 0; b < 8; b++) {
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bool state = ((data & _BV(b)) > 0);
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if (state != last_button_state[baseId + b]) {
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last_button_state[baseId + b] = state;
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sendMessageNote(CHANNEL, 2 + baseId + b, state ? 127 : 0);
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}
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}
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//shift 0 byte
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srClock(0);
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}
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}
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uint8_t getMatrix() {
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uint8_t val1 = PINB & 0b00111111;
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uint8_t val2 = PIND & 0b11000000;
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return (val1 | val2);
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}
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void sendMessageNote(uint8_t channel, uint8_t note, int velocity) {
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uint8_t statusByte = (velocity > 0 ? noteON : noteOFF) & 0xF0;
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statusByte |= channel & 0x0F;
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uart_putc(statusByte);
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uart_putc(start_ch + note);
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uart_putc(velocity);
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}
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226
Firmware/firmware_faders/firmware_faders.ino
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226
Firmware/firmware_faders/firmware_faders.ino
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@@ -0,0 +1,226 @@
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#include <Arduino.h>
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#define FADER1 A0
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#define FADER2 A1
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#define FADER3 A2
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#define FADER4 A3
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#define FADER5 A4
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bool last_button_state[30];
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int last_button_time[30];
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/*
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UART-Init:
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Berechnung des Wertes für das Baudratenregister
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aus Taktrate und gewünschter Baudrate
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*/
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#ifndef F_CPU
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#define F_CPU 16000000UL // Systemtakt in Hz - Definition als unsigned long beachten
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// Ohne ergeben sich unten Fehler in der Berechnung
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#endif
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/// CONFIG
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#define BAUD 19200UL // Baudrate
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#define CHANNEL 1 // midi channel
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#define OFFSET 60 // first midi note
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// Berechnungen
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#define UBRR_VAL ((F_CPU+BAUD*8)/(BAUD*16)-1) // clever runden
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#define BAUD_REAL (F_CPU/(16*(UBRR_VAL+1))) // Reale Baudrate
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#define BAUD_ERROR ((BAUD_REAL*1000)/BAUD) // Fehler in Promille, 1000 = kein Fehler.
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#if ((BAUD_ERROR<990) || (BAUD_ERROR>1010))
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#error Systematischer Fehler der Baudrate grösser 1% und damit zu hoch!
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#endif
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void setup() {
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for (int i = 0; i < 30; i++) {
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last_button_state[i] = 0;
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last_button_time[i] = 0;
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}
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DDRB &= 0b11111000; // PORT_A contains matrix col 1-3
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DDRB |= 0b00011000; // PORT_A contains matrix rows 1-2
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DDRD |= 0b11111100; // PORT_B contains matrix rows 3-8
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PORTB &= ~(1 << PB0);
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PORTB &= ~(1 << PB1);
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PORTB &= ~(1 << PB2);
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//pinMode(12, OUTPUT); // 1
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//pinMode(11, OUTPUT); // 2
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//pinMode(2, OUTPUT); // 3
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//pinMode(3, OUTPUT); // 4
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//pinMode(4, OUTPUT); // 5
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//pinMode(5, OUTPUT); // 6
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//pinMode(6, OUTPUT); // 7
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//pinMode(7, OUTPUT); // 8
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//pinMode(8, INPUT); // A
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//pinMode(9, INPUT); // B
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//pinMode(10, INPUT); // V
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// init uart
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UBRR0 = UBRR_VAL;
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UCSR0B |= (1<<TXEN0);
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UCSR0B |= (1<<RXEN0);
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// Frame Format: Asynchron 8N1
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UCSR0C = (1<<UCSZ01)|(1<<UCSZ00);
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UCSR0B |= (1<<RXCIE0);
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sei();
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}
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int uart_putc(unsigned char c)
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{
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while (!(UCSR0A & (1<<UDRE0))) /* warten bis Senden moeglich */
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{
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}
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UDR0 = c; /* sende Zeichen */
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return 0;
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}
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// first visible ASCIIcharacter '!' is number 33:
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int thisByte = 33;
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// you can also write ASCII characters in single quotes.
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// for example, '!' is the same as 33, so you could also use this:
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// int thisByte = '!';
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uint8_t noteON = B10010000;
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uint8_t noteOFF = B10000000;
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int last_fader[5] = { 0, 0, 0, 0, 0 };
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int pins_fader[5] = { FADER1, FADER2, FADER3, FADER4, FADER5 };
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char buttons[3] = { 'A', 'B', 'C' };
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char in_msg[63]; //ringbuffer for incomming midi
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uint16_t in_index_last = 0;
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uint16_t in_index_top = 0;
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long int lastin = 0;
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int in_last = 0;
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void loop() {
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processAnalog();
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processQueue();
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processMatrix();
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processQueue();
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}
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uint8_t start_ch = OFFSET;
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void midi_put_buffer(char data){
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//clear buffer if last tx is 1 sec ago
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long int now = millis();
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if (now - lastin > 1000){
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in_index_top = 0;
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in_index_last = 0;
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}
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lastin = now;
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in_msg[in_index_top] = data;
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in_index_top++;
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if ( in_index_top >= 63){
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in_index_top = 0;
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}
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}
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void midi_send_buffer_single(){
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uint16_t diff = 0;
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if (in_index_top < in_index_last){
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diff = (63 + in_index_top) - in_index_last;
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}else{
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diff = in_index_top - in_index_last;
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}
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if (diff > 2){
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uart_putc(in_msg[in_index_last + 0]);
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uart_putc(in_msg[in_index_last + 1]);
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uart_putc(in_msg[in_index_last + 2]);
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in_index_last += 3;
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if (in_index_last >= 63){
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in_index_last -= 63;
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}
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}
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}
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ISR(USART_RX_vect)
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{
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unsigned char b;
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b=UDR0;
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midi_put_buffer(b);
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}
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void processQueue(){
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midi_send_buffer_single();
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}
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void processAnalog() {
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for (int i = 0; i < 5; i++) {
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int val = analogRead(pins_fader[i]);
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if (val - last_fader[i] > 2 || val - last_fader[i] < -2) {
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sendMessageNote(1, 1 + i, map(val, 1, 1022, 127, 0));
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last_fader[i] = val;
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}else if ((val < 2 && last_fader[i] >= 2) || (val > 1022 && last_fader[i] <= 1022)){
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sendMessageNote(1, 1 + i, map(val, 1, 1022, 127, 0));
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last_fader[i] = val;
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}
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}
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}
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void processMatrix() {
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for (int i = 0; i < 8; i++) {
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int baseId = i * 3;
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uint8_t data = putMatrixCol(i);
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bool state1 = ((data & 1) > 0);
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bool state2 = ((data & 2) > 0);
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bool state3 = ((data & 4) > 0);
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//Serial.println(baseId);
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if (state1 != last_button_state[baseId + 0]) {
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last_button_state[baseId + 0] = state1;
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sendMessageNote(1, 6 + baseId + 0, state1 ? 127:0);
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}
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||||
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if (state2 != last_button_state[baseId + 1]) {
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||||
last_button_state[baseId + 1] = state2;
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||||
sendMessageNote(1, 6 + baseId + 1, state2 ? 127:0);
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||||
}
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||||
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||||
if (state3 != last_button_state[baseId + 2]) {
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||||
last_button_state[baseId + 2] = state3;
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||||
sendMessageNote(1, 6 + baseId + 2, state3 ? 127:0);
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||||
}
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||||
}
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||||
}
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||||
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||||
uint8_t putMatrixCol(uint8_t col) {
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||||
uint8_t fullByte = (1 << col);
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||||
digitalWrite(12, (col == 0));
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digitalWrite(11, (col == 1));
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digitalWrite(2, (col == 2));
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digitalWrite(3, (col == 3));
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||||
digitalWrite(4, (col == 4));
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digitalWrite(5, (col == 5));
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||||
digitalWrite(6, (col == 6));
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||||
digitalWrite(7, (col == 7));
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||||
return (PINB & 0b00000111);
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||||
}
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||||
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||||
void sendMessageNote(uint8_t channel, uint8_t note, int velocity) {
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uint8_t statusByte = (velocity > 0 ? noteON : noteOFF) & 0xF0;
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||||
statusByte |= channel & 0x0F;
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||||
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||||
uart_putc(statusByte);
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||||
uart_putc(start_ch + note);
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||||
uart_putc(velocity);
|
||||
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||||
}
|
||||
56
Firmware/grandMA_fader_cmd_test/grandMA_fader_cmd.ino
Normal file
56
Firmware/grandMA_fader_cmd_test/grandMA_fader_cmd.ino
Normal file
@@ -0,0 +1,56 @@
|
||||
/*
|
||||
Analog input, analog output, serial output
|
||||
|
||||
Reads an analog input pin, maps the result to a range from 0 to 255 and uses
|
||||
the result to set the pulse width modulation (PWM) of an output pin.
|
||||
Also prints the results to the Serial Monitor.
|
||||
|
||||
The circuit:
|
||||
- potentiometer connected to analog pin 0.
|
||||
Center pin of the potentiometer goes to the analog pin.
|
||||
side pins of the potentiometer go to +5V and ground
|
||||
- LED connected from digital pin 9 to ground through 220 ohm resistor
|
||||
|
||||
created 29 Dec. 2008
|
||||
modified 9 Apr 2012
|
||||
by Tom Igoe
|
||||
|
||||
This example code is in the public domain.
|
||||
|
||||
https://www.arduino.cc/en/Tutorial/BuiltInExamples/AnalogInOutSerial
|
||||
*/
|
||||
|
||||
// These constants won't change. They're used to give names to the pins used:
|
||||
const int analogInPin = A0; // Analog input pin that the potentiometer is attached to
|
||||
const int analogOutPin = 9; // Analog output pin that the LED is attached to
|
||||
|
||||
int sensorValue = 0; // value read from the pot
|
||||
int outputValue = 0; // value output to the PWM (analog out)
|
||||
|
||||
void setup() {
|
||||
// initialize serial communications at 9600 bps:
|
||||
Serial.begin(9600);
|
||||
}
|
||||
|
||||
void loop() {
|
||||
// print the results to the Serial Monitor:
|
||||
Serial.print(readOne(A0));
|
||||
Serial.print(",");
|
||||
Serial.print(readOne(A1));
|
||||
Serial.print(",");
|
||||
Serial.print(readOne(A2));
|
||||
Serial.print(",");
|
||||
Serial.print(readOne(A3));
|
||||
Serial.print(",");
|
||||
Serial.println(readOne(A4));
|
||||
|
||||
// wait 2 milliseconds before the next loop for the analog-to-digital
|
||||
// converter to settle after the last reading:
|
||||
delay(2);
|
||||
}
|
||||
|
||||
int readOne(int inputPin){
|
||||
sensorValue = constrain(analogRead(inputPin),5,1020);
|
||||
outputValue = map(sensorValue, 5, 1020, 127,0);
|
||||
return outputValue;
|
||||
}
|
||||
Reference in New Issue
Block a user