Initial commit with first untested code.

main
Holger Wirtz 1 year ago
parent 6cc055e419
commit 10d77ae3a5
  1. 79
      MIDI-Host-Adapter.ino

@ -0,0 +1,79 @@
#include <TM1638plus_Model2.h>
#include <elapsedMillis.h>
#include <limits.h>
#define STROBE_TM 9
#define CLOCK_TM 8
#define DIO_TM 7
#define MIDI_CH_BIT3 5
#define MIDI_CH_BIT2 4
#define MIDI_CH_BIT1 3
#define MIDI_CH_BIT0 2
bool swap_nibbles = false;
bool high_freq = false;
#define BRIGHTNESS 6
#define BUTTON_DEBOUNCE_TIME_MS 50
// Constructor object
TM1638plus_Model2 tm(STROBE_TM, CLOCK_TM, DIO_TM, swap_nibbles, high_freq);
elapsedMillis button_debounce_timer;
void setup() {
Serial.begin(9600);
delay(100);
Serial.println("<SETUP>");
tm.displayBegin();
tm.brightness(BRIGHTNESS);
tm.DisplayStr("MIDIHOST", 0);
pinMode(MIDI_CH_BIT3, OUTPUT);
pinMode(MIDI_CH_BIT2, OUTPUT);
pinMode(MIDI_CH_BIT1, OUTPUT);
pinMode(MIDI_CH_BIT0, OUTPUT);
digitalWrite(MIDI_CH_BIT3, LOW);
digitalWrite(MIDI_CH_BIT2, LOW);
digitalWrite(MIDI_CH_BIT1, LOW);
digitalWrite(MIDI_CH_BIT0, LOW);
delay(500);
Serial.println("</SETUP>");
}
void loop() {
uint8_t button;
button = tm.ReadKey16();
if (button > 0 && button_debounce_timer > BUTTON_DEBOUNCE_TIME_MS) {
Serial.print("Button: ");
Serial.println(button, DEC);
button_debounce_timer = 0;
tm.DisplayDecNum(button, 0, false, TMAlignTextRight);
SetMidiChannel(button);
}
}
void SetMidiChannel(uint8_t channel) {
Serial.print("Setting MIDI channel: ");
Serial.print(channel, DEC);
Serial.print(" (");
printBinary(channel, 4);
Serial.println(")");
digitalWrite(MIDI_CH_BIT0, channel & 0x00);
digitalWrite(MIDI_CH_BIT1, channel & 0x01);
digitalWrite(MIDI_CH_BIT2, channel & 0x02);
digitalWrite(MIDI_CH_BIT3, channel & 0x08);
}
void printBinary(uint32_t value, uint8_t len) {
for (len; len >= 0; len--) {
Serial.print((char)('0' + ((value >> len) & 1)));
}
Serial.println();
}
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