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ESP32-Codek-Macro-KBD.ino
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ESP32-Codek-Macro-KBD.ino
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/**
* This example turns the ESP32 into a Bluetooth LE keyboard that writes the words, presses Enter, presses a media key and then Ctrl+Alt+Delete
*/
#include <BleKeyboard.h>
#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
#define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
unsigned char bluetooth_icon16x16[] =
{
0b00000000, 0b00000000, //
0b00000001, 0b10000000, // ##
0b00000001, 0b11000000, // ###
0b00000001, 0b01100000, // # ##
0b00001001, 0b00110000, // # # ##
0b00001101, 0b00110000, // ## # ##
0b00000111, 0b01100000, // ### ##
0b00000011, 0b11000000, // ####
0b00000001, 0b10000000, // ##
0b00000011, 0b11000000, // ####
0b00000111, 0b01100000, // ### ##
0b00001101, 0b00110000, // ## # ##
0b00001001, 0b00110000, // # # ##
0b00000001, 0b01100000, // # ##
0b00000001, 0b11000000, // ###
0b00000001, 0b10000000, // ##
};
unsigned char cancel_icon16x16[] =
{
0b00000000, 0b00000000, //
0b00000000, 0b00000000, //
0b00111000, 0b00001110, // ### ###
0b00111100, 0b00011110, // #### ####
0b00111110, 0b00111110, // ##### #####
0b00011111, 0b01111100, // ##### #####
0b00001111, 0b11111000, // #########
0b00000111, 0b11110000, // #######
0b00000011, 0b11100000, // #####
0b00000111, 0b11110000, // #######
0b00001111, 0b11111000, // #########
0b00011111, 0b01111100, // ##### #####
0b00111110, 0b00111110, // ##### #####
0b00111100, 0b00011110, // #### ####
0b00111000, 0b00001110, // ### ###
0b00000000, 0b00000000, //
};
unsigned char home_icon16x16[] =
{
0b00000111, 0b11100000, // ######
0b00001111, 0b11110000, // ########
0b00011111, 0b11111000, // ##########
0b00111111, 0b11111100, // ############
0b01111111, 0b11111110, // ##############
0b11111111, 0b11111111, // ################
0b11000000, 0b00000011, // ## ##
0b11000000, 0b00000011, // ## ##
0b11000000, 0b00000011, // ## ##
0b11001111, 0b11110011, // ## ######## ##
0b11001111, 0b11110011, // ## ######## ##
0b11001100, 0b00110011, // ## ## ## ##
0b11001100, 0b00110011, // ## ## ## ##
0b11001100, 0b00110011, // ## ## ## ##
0b11111100, 0b00111111, // ###### ######
0b11111100, 0b00111111, // ###### ######
};
unsigned char speak_icon16x16[] =
{
0b00111111, 0b11111100, // ############
0b01111111, 0b11111110, // ##############
0b11111111, 0b11111111, // ################
0b11110000, 0b00001111, // #### ####
0b11100000, 0b00000111, // ### ###
0b11100000, 0b00000111, // ### ###
0b11100000, 0b00000111, // ### ###
0b11100000, 0b00000111, // ### ###
0b11100000, 0b00000111, // ### ###
0b11100000, 0b00000111, // ### ###
0b11110000, 0b00001111, // #### ####
0b11110001, 0b11111110, // #### ########
0b01111011, 0b11111100, // #### ########
0b00111111, 0b11111000, // ###########
0b00011110, 0b00000000, // ####
0b00001100, 0b00000000, // ##
};
BleKeyboard bleKeyboard("vldfr's CODEK", "vldfr Tech", 100);
#define NUM_BTN 10
const int button_pins[10] = {
27,26,25,33,32,
16,17, 5,18,19
};
int button_states[10];
int last_button_states[10]={LOW,LOW,LOW,LOW,LOW,LOW,LOW,LOW,LOW,LOW};
unsigned long lastDebounceTime[10] = {0};
unsigned long debounceDelay = 40;
unsigned long maxEl(unsigned long arr[], int nr){
unsigned long m = 0;
for(int i=0;i<nr;i++)
if(arr[i]>m)
m = arr[i];
return m;
}
const uint8_t *media[][10] = {{
KEY_MEDIA_PLAY_PAUSE,
KEY_MEDIA_MUTE,
KEY_MEDIA_VOLUME_DOWN,
0,
KEY_MEDIA_VOLUME_UP,
0,
0, //KEY_MEDIA_NEXT_TRACK,
0,
0,
0
},
{
0,
0,
0,
0,
0,
0,
0,
0,
0,
0
}
};
uint8_t normal[][10] = {{
0,
0,
0,
KEY_UP_ARROW,
0,
'f',
0,
KEY_LEFT_ARROW,
KEY_DOWN_ARROW,
KEY_RIGHT_ARROW
},
{
KEY_LEFT_SHIFT,
'r',
't',
'w',
KEY_F11,
'm',
0,
'a',
's',
'd'
}};
bool is_mediaKey[][10] = {{
1,1,1,0,1,0,1,0,0,0
},
{
0,0,0,0,0,0,0,0,0,0
}};
bool is_pressDownKey[][10] = {{
0,0,0,0,0,0,0,0,0,0
},
{
1,1,1,1,0,1,0,1,1,1
}};
unsigned char *modeIcon[] = {
home_icon16x16,
speak_icon16x16
};
String modeName[] = {
"Home",
"BLACK DESERT"
};
String modeKeyDisplay[] = {
"pm-u+s~<d>",
"^RTWbM~ASD"
};
int current_mode=0;
const int mode_nr=2;
bool first_display = false;
bool displaysLogs = false;
void cycleModesForward(int amount=1){
if(current_mode<mode_nr-1)
current_mode++;
else
current_mode = 0;
}
void setup() {
// Serial.begin(115200);
// Serial.println("Starting BLE work!");
pinMode(2, OUTPUT);
for(int i = 0;i<NUM_BTN;i++){
pinMode(button_pins[i], INPUT_PULLUP);
}
if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
// Serial.println(F("SSD1306 allocation failed"));
for(;;); // Don't proceed, loop forever
}
display.clearDisplay();
display.setTextSize(1); // Normal 1:1 pixel scale
display.setTextColor(WHITE); // Draw white text
display.setCursor(0, 0); // Start at top-left corner
display.println("Starting BLE..");
display.display();
bleKeyboard.begin();
display.println("Started BLE..");
display.display();
}
void displayConnectionState(){
if(bleKeyboard.isConnected()){
display.drawBitmap(112, 0, bluetooth_icon16x16, 16,16, 1);
digitalWrite(2, HIGH);
}
else{
display.drawBitmap(112, 0, cancel_icon16x16, 16,16,1);
digitalWrite(2, LOW);
}
// if(WiFi.status() == WL_CONNECTED)
// display.drawBitmap(94, 0, wifi1_icon16x16, 16,16, 1);
// else{
// display.drawBitmap(94, 0, wifi1_icon16x16, 16,16, 1);
// display.drawBitmap(94, 0, cancel_icon16x16, 16,16,1);
// }
}
void displayMode(){
display.drawBitmap(0, 0, modeIcon[current_mode], 16,16, 1);
display.setTextSize(1);
display.setCursor(24, 4);
display.setTextColor(WHITE, BLACK);
display.print(modeName[current_mode]);
}
void displayKbd(){
display.setTextSize(1);
for(int i=0;i<10;i++){
display.setCursor((128/5 + 1)*(i%5), 32+18*(i/5));
if(!button_states[i])
display.setTextColor(BLACK, WHITE);
else
display.setTextColor(WHITE, BLACK);
display.print(" "+(String)modeKeyDisplay[current_mode][i]+" ");
}
}
void displayInterface(){
if(!displaysLogs){
display.clearDisplay();
displayMode();
displayConnectionState();
displayKbd();
display.display();
}
}
void loop() {
displayInterface();
for(int i = 0;i<NUM_BTN;i++){
int reading = !digitalRead(button_pins[i]);
if (reading != last_button_states[i]) {
lastDebounceTime[i] = millis();
}
if ((millis() - lastDebounceTime[i]) > debounceDelay) {
if (reading != button_states[i]) {
button_states[i] = reading;
if (button_states[i] == HIGH) {
if(i==6 &&
button_states[0]==LOW &&
button_states[1]==LOW &&
button_states[2]==LOW &&
button_states[3]==LOW &&
button_states[4]==LOW &&
button_states[5]==LOW && //WITHOUT 6
button_states[7]==LOW &&
button_states[8]==LOW &&
button_states[9]==LOW){
cycleModesForward();
}
else if(bleKeyboard.isConnected()){
if(!is_pressDownKey[current_mode][i]){
if(is_mediaKey[current_mode][i])
bleKeyboard.write(media[current_mode][i]);
else
bleKeyboard.write(normal[current_mode][i]);
}
else{
if(is_mediaKey[current_mode][i])
bleKeyboard.press(media[current_mode][i]);
else
bleKeyboard.press(normal[current_mode][i]);
}
}
}
else if(button_states[i] == LOW){
if(i==6){
// cycleModesForward(); //NO NEED ON RELEASE
}
else if(bleKeyboard.isConnected()){
if(is_pressDownKey[current_mode][i]){
if(is_mediaKey[current_mode][i])
bleKeyboard.release(media[current_mode][i]);
else
bleKeyboard.release(normal[current_mode][i]);
}
}
}
}
}
last_button_states[i] = reading;
}
delay(2);
}