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update lcd logic to work with diferent states controlled by the joystick

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rafa 2025-05-23 22:07:30 +01:00
parent 29dd0d4d43
commit a4cd6d1796
1 changed files with 39 additions and 15 deletions
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52
code/LCDScreen.cpp
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@ -2,7 +2,7 @@
#include <LiquidCrystal_I2C.h> #include <LiquidCrystal_I2C.h>
enum LCDScreenState { enum LCDScreenState {
DISPLAY_DEFAULT_MESSAGE, DISPLAY_DEFAULT_MESSAGE = 0,
DISPLAY_TEMPERATURE, DISPLAY_TEMPERATURE,
DISPLAY_PARKING_SPOTS DISPLAY_PARKING_SPOTS
}; };
@ -11,10 +11,16 @@ class LCDScreen {
private: private:
LiquidCrystal_I2C lcd = LiquidCrystal_I2C(0x27,20,4); LiquidCrystal_I2C lcd = LiquidCrystal_I2C(0x27,20,4);
LCDScreenState state; LCDScreenState current_state;
String default_message = "Bem vindo!"; String default_message = "Bem vindo!";
public: public:
LCDScreenState ordered_states[3] = {
DISPLAY_DEFAULT_MESSAGE,
DISPLAY_TEMPERATURE,
DISPLAY_PARKING_SPOTS
};
LCDScreen(String default_message = ""){ LCDScreen(String default_message = ""){
if (default_message != ""){ if (default_message != ""){
this->default_message = default_message; this->default_message = default_message;
@ -32,10 +38,7 @@ class LCDScreen {
} }
void display_temperature(float temp){ void display_temperature(float temp){
if (this->state != DISPLAY_TEMPERATURE){
this->clear();
this->state = DISPLAY_TEMPERATURE;
}
lcd.setCursor(0, 0); lcd.setCursor(0, 0);
lcd.print("Temp: "); lcd.print("Temp: ");
lcd.print(temp,1); lcd.print(temp,1);
@ -43,19 +46,13 @@ class LCDScreen {
} }
void display_default_message(){ void display_default_message(){
if (this->state != DISPLAY_DEFAULT_MESSAGE){
this->clear();
this->state = DISPLAY_DEFAULT_MESSAGE;
}
lcd.setCursor(0, 0); lcd.setCursor(0, 0);
lcd.print(this->default_message); lcd.print(this->default_message);
} }
void display_parking_spots(int total_spots, int occupied_spots){ void display_parking_spots(int total_spots, int occupied_spots){
if (this->state != DISPLAY_PARKING_SPOTS){
this->clear();
this->state = DISPLAY_PARKING_SPOTS;
}
int free_spots = total_spots - occupied_spots; int free_spots = total_spots - occupied_spots;
lcd.setCursor(0, 0); lcd.setCursor(0, 0);
lcd.print("Occupied: "); lcd.print("Occupied: ");
@ -67,4 +64,31 @@ class LCDScreen {
lcd.print(free_spots); lcd.print(free_spots);
} }
LCDScreenState get_next_state(){
return this->ordered_states[this->current_state + 1];
}
LCDScreenState get_previous_state(){
return this->ordered_states[this->current_state - 1];
}
void set_state(LCDScreenState state){
this->clear();
this->current_state = state;
}
void display(float temperature_in_c, int total_spots, int occupied_spots){
switch(this->current_state){
case DISPLAY_DEFAULT_MESSAGE:
this->display_default_message();
break;
case DISPLAY_TEMPERATURE:
this->display_temperature(temperature_in_c);
break;
case DISPLAY_PARKING_SPOTS:
this->display_parking_spots(total_spots, occupied_spots);
break;
}
}
}; };