hiro/KSP-30-Hack
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Valentin Boettcher 2021-08-14 11:15:31 +02:00
parent fd760767a6
commit 1019a9da2c
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GPG key ID: E034E12B7AF56ACE
2 changed files with 18 additions and 18 deletions
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34
keyboard/keyboard.ino
View file

@ -42,19 +42,19 @@ constexpr int num_half_pins = 4;
constexpr int first_col[] = {KD1, KD2, KD3, KD4};
// second hit
constexpr int second_col[] = { KD5, KD6, KD7, KD8 };
constexpr int second_col[] = {KD5, KD6, KD7, KD8};
constexpr int selector_pins[] = {SA1, SA2, SA3, SA4, SA5};
constexpr int num_selector_pins = 5;
enum Range { LO = 0, MID, HI};
enum Range { LO = 0, MID, HI };
constexpr Range ranges[] = {Range::LO, Range::MID, Range::HI};
// rows in range
constexpr int rows [] = {8, 8, 6};
constexpr int range_offsets [] = {0,
rows[1] * num_half_pins,
rows[0] * num_half_pins + rows[1] * num_half_pins};
constexpr int rows[] = {8, 8, 6};
constexpr int range_offsets[] = {0, rows[1] * num_half_pins,
rows[0] * num_half_pins +
rows[1] * num_half_pins};
/*****************************************************************************/
/* Keys/Notes */
@ -73,7 +73,7 @@ constexpr double max_velocity = 0.00030;
/*****************************************************************************/
void select_range(Range range) {
switch(range) {
switch (range) {
case Range::LO:
digitalWrite(RS1, LOW);
digitalWrite(RS2, LOW);
@ -118,15 +118,15 @@ int get_midi_note(Range range, int row, int col) {
}
char midi_velocity(double velocity) {
return (constrain(velocity, min_velocity, max_velocity) - min_velocity) / max_velocity * 127;
return (constrain(velocity, min_velocity, max_velocity) - min_velocity) /
max_velocity * 127;
}
/*****************************************************************************/
/* State */
/*****************************************************************************/
unsigned long S1[num_keys]; // timer value for first hit or 0
bool S2[num_keys]; // whether key is pressed
bool S2[num_keys]; // whether key is pressed
bool SSTE_PRESSED = false;
void setup() {
@ -190,30 +190,30 @@ void loop() {
select_row(row);
// read rows
for(int i= 0; i < num_half_pins; i++) {
for (int i = 0; i < num_half_pins; i++) {
const bool s1_was_triggered = !(S1[key] == 0);
if (!digitalRead(first_col[i])) { // key pressed
if(!s1_was_triggered) { // has not been depreesed before
if (!s1_was_triggered) { // has not been depreesed before
S1[key] = micros();
}
// look for second fire
const bool s2_was_triggered = S2[key];
if (!digitalRead(second_col[i])) { // stage 2 pressed
if(!s2_was_triggered){
if (!s2_was_triggered) {
S2[key] = true;
auto velocity = 1/static_cast<double>(micros() - S1[key]);
auto velocity = 1 / static_cast<double>(micros() - S1[key]);
send_note_down(key, velocity);
}
} else if(s2_was_triggered) { // stage 2 released
} else if (s2_was_triggered) { // stage 2 released
S2[key] = false;
send_note_up(key);
}
} else if(s1_was_triggered) { // s1 released
} else if (s1_was_triggered) { // s1 released
S1[key] = 0;
if(S2[key]) {
if (S2[key]) {
S2[key] = false;
send_note_up(key);
}

2
shell.nix
View file

@ -1,4 +1,4 @@
{ pkgs ? import <nixos> {} }:
pkgs.mkShell {
nativeBuildInputs = with pkgs; [ arduino git arduino-cli picocom ];
nativeBuildInputs = with pkgs; [ arduino git arduino-cli picocom clang-tools ];
}