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esp32-nmea2000-obp60
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esp32-nmea2000-obp60/lib/obp60task/OBP60Keypad.h

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#ifndef _OBP60FUNCTIONS_H
#define _OBP60FUNCTIONS_H
#include <Arduino.h>
#include "OBP60Hardware.h"
// Global vars
// Touch keypad over ESP32 touch sensor inputs
int keypad[9]; // Raw data array for keys
int key; // Value of key [0|1], 0 = touched, 1 = not touched
int keycode = 0; // Keycode of pressed key [0...8], 0 = nothing touched
int keycode2 = 0; // Keycode of very short pressed key [0...8], 0 = nothing touched
int keycodeold = 0; // Old keycode
int keycodeold2 = 0; // Old keycode for short pressed key
int keystatus = 0; // Status of key [0...11]
bool keyoff = false; // Disable all keys
int keydelay = 250; // Delay after key pressed in [ms]
bool keylock = false; // Key lock after pressed key is valid (repeat protection by conginous pressing)
long starttime = 0; // Start time point for pressed key
void initKeys(CommonData &commonData) {
// coordinates for virtual keyboard keys
static uint16_t top = 281;
static uint16_t width = 65;
static uint16_t height = 18;
commonData.keydata[0].x = 0;
commonData.keydata[0].y = top;
commonData.keydata[0].w = width + 1;
commonData.keydata[0].h = height;
commonData.keydata[1].x = commonData.keydata[0].x + commonData.keydata[0].w + 1;
commonData.keydata[1].y = top;
commonData.keydata[1].w = width;
commonData.keydata[1].h = height;
commonData.keydata[2].x = commonData.keydata[1].x + commonData.keydata[1].w + 1;
commonData.keydata[2].y = top;
commonData.keydata[2].w = width;
commonData.keydata[2].h = height;
commonData.keydata[3].x = commonData.keydata[2].x + commonData.keydata[2].w + 1;
commonData.keydata[3].y = top;
commonData.keydata[3].w = width;
commonData.keydata[3].h = height;
commonData.keydata[4].x = commonData.keydata[3].x + commonData.keydata[3].w + 1;
commonData.keydata[4].y = top;
commonData.keydata[4].w = width;
commonData.keydata[4].h = height;
commonData.keydata[5].x = commonData.keydata[4].x + commonData.keydata[4].w + 1;
commonData.keydata[5].y = top;
commonData.keydata[5].w = width;
commonData.keydata[5].h = height;
}
#ifdef HARDWARE_V21
// Keypad functions for original OBP60 hardware
int readKeypad(GwLog* logger, uint thSensitivity, bool use_syspage) {
// Touch sensor values
// 35000 - Not touched
// 50000 - Light toched with fingertip
// 70000 - Touched
// 170000 - Strong touched
uint32_t touchthreshold = (thSensitivity * -1200) + 170000; // thSensitivity 0...100%
keystatus = 0; // Status of key [0...11], 0 = processed, 1...8 = key 1..8, 9 = right swipe , 10 = left swipe, 11 keys disabled
keycode = 0;
// Read key code
if(touchRead(14) > touchthreshold){ // Touch pad 1
keypad[1] = 1;
}
else{
keypad[1] = 0;
}
if(touchRead(13) > touchthreshold){ // Touch pad 2
keypad[2] = 1;
}
else{
keypad[2] = 0;
}
if(touchRead(12) > touchthreshold){ // Touch pad 3
keypad[3] = 1;
}
else{
keypad[3] = 0;
}
if(touchRead(11) > touchthreshold){ // Touch pad 4
keypad[4] = 1;
}
else{
keypad[4] = 0;
}
if(touchRead(10) > touchthreshold){ // Touch pad 5
keypad[5] = 1;
}
else{
keypad[5] = 0;
}
if(touchRead(9) > touchthreshold){ // Touch pad 6
keypad[6] = 1;
}
else{
keypad[6] = 0;
}
// Nothing touched
/* if(keypad[1] == 0 && keypad[2] == 0 && keypad[3] == 0 && keypad[4] == 0 && keypad[5] == 0 && keypad[6] == 0){
keypad[0] = 1;
}
else{
keypad[0] = 0;
} */
for (int i = 1; i <= 6; i++) {
if(i > 0){
// Convert keypad to keycode
if(keypad[i] == 1){
key = 1;
}
else{
key = 0;
}
keycode += key * i;
}
}
// Detect short keynumber
if (keycode > 0 ){
if(keylock == false){
starttime = millis();
keylock = true;
}
if (keycode != keycodeold){
keylock = false;
}
// Detect a very short keynumber (10ms)
if (millis() > starttime + 10 && keycode == keycodeold && keylock == true) {
logger->logDebug(GwLog::LOG,"Very short 20ms key touch: %d", keycode);
// Process only valid keys
if(keycode == 1 || keycode == 4 || keycode == 5 || keycode == 6){
keycode2 = keycode;
}
// Clear by invalid keys
else{
keycode2 = 0;
keycodeold2 = 0;
}
}
// Timeout for very short pressed key
if(millis() > starttime + 200){
keycode2 = 0;
}
// Detect a short keynumber (200ms)
if (keyoff == false && millis() > starttime + 200 && keycode == keycodeold && keylock == true) {
logger->logDebug(GwLog::LOG,"Short 200ms key touch: %d", keycode);
keystatus = keycode;
keycode = 0;
keycodeold = 0;
keycode2 = 0;
keycodeold2 = 0;
buzzer(TONE4, 100);
keylock = false;
delay(keydelay);
}
}
// System page with key 5 and 4 in fast series
if (keycode2 == 5 && keycodeold2 == 4) {
logger->logDebug(GwLog::LOG,"Keycode for system page");
keycode = 0;
keycodeold = 0;
keycode2 = 0;
keycodeold2 = 0;
keystatus = 12;
buzzer(TONE4, 50);
delay(30);
buzzer(TONE4, 50);
delay(30);
buzzer(TONE4, 50);
}
// Key lock with key 1 and 6 or 6 and 1 in fast series
if((keycode2 == 1 && keycodeold2 == 6) || (keycode2 == 6 && keycodeold2 == 1)) {
keycode = 0;
keycodeold = 0;
keycode2 = 0;
keycodeold2 = 0;
buzzer(TONE4, 1000);
keylock = false;
delay(keydelay);
keyoff = !keyoff;
keystatus = 11;
}
// Detect swipe right
if (keyoff == false && keycode > 0 && keycodeold > 0 && keycode > keycodeold && !((keycode == 1 && keycodeold == 6) || (keycode == 6 && keycodeold == 1))){
//if (keycode > 0 && keycodeold > 0 && keycode > keycodeold){
keycode = 0;
keycodeold = 0;
keycode2 = 0;
keycodeold2 = 0;
keystatus = 9;
buzzer(TONE3, 150);
buzzer(TONE4, 150);
}
// Detect swipe left
if (keyoff == false && keycode > 0 && keycodeold > 0 && keycode < keycodeold && !((keycode == 1 && keycodeold == 6) || (keycode == 6 && keycodeold == 1))){
//if (keycode > 0 && keycodeold > 0 && keycode < keycodeold){
keycode = 0;
keycodeold = 0;
keycode2 = 0;
keycodeold2 = 0;
keystatus = 10;
buzzer(TONE4, 150);
buzzer(TONE3, 150);
}
// Reset keylock after release
if (keycode == 0){
keylock = false;
}
// Copy keycode
keycodeold = keycode;
keycodeold2 = keycode2;
return keystatus;
}
#endif
#ifdef BOARD_OBP40S3
int readSensorpads(){
// Read key code
if(digitalRead(UP) == LOW){
keycode = 10; // Left swipe
}
else if(digitalRead(DOWN) == LOW){
keycode = 9; // Right swipe
}
else if(digitalRead(CONF) == LOW){
keycode = 3; // Key 3
}
else if(digitalRead(MENUE) == LOW){
keycode = 1; // Key 1
}
else if(digitalRead(EXIT) == LOW){
keycode = 2; // Key 2
}
else{
keycode = 0; // No key activ
}
return keycode;
}
// Keypad functions for OBP60 clone (thSensitivity is inactiv)
int readKeypad(GwLog* logger, uint thSensitivity, bool use_syspage) {
pinMode(UP, INPUT);
pinMode(DOWN, INPUT);
pinMode(CONF, INPUT);
pinMode(MENUE, INPUT);
pinMode(EXIT, INPUT);
// Read pad values
readSensorpads();
// Detect key
if (keycode > 0 ){
if(keycode != keycodeold){
starttime = millis(); // Start key pressed
keycodeold = keycode;
}
// If key pressed longer than 200ms
if(millis() > starttime + 200 && keycode == keycodeold) {
if (use_syspage and keycode == 3) {
keystatus = 12;
} else {
keystatus = keycode;
}
// Copy keycode
keycodeold = keycode;
while(readSensorpads() > 0){} // Wait for pad release
delay(keydelay);
}
}
else{
keycode = 0;
keycodeold = 0;
keystatus = 0;
}
return keystatus;
}
#endif
#endif
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