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lcd_pages.ino
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lcd_pages.ino
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enum LcdPages {
none,
product_info,
scanning_codes,
no_codes_found,
codes_found
};
LcdPages lcdpage = none;
void LCD_ProductInfo() {
if(lcdpage != product_info)
{
lcd.clear();
lcd.setCursor(0,0);
lcd.print("Skuzzle MX5 Diag");
lcd.setCursor(0,1);
lcd.print("Ver: 1.0 ");
lcdpage = product_info;
}
}
constexpr float LOADING_DELAY = 100;
constexpr int LCD_SCAN_ARRAY_SIZE = 20;
const char lcd_scan_array[LCD_SCAN_ARRAY_SIZE][16] PROGMEM = {
"# ",
"## ",
"### ",
"#### ",
" #### ",
" #### ",
" #### ",
" #### ",
" #### ",
" #### ",
" #### ",
" #### ",
" #### ",
" #### ",
" #### ",
" ####",
" ###",
" ##",
" #",
" "
};
int lcd_scan_position = 0;
float lcd_scan_change_millis = 0;
void LCD_ScanningCodes() {
if(lcdpage != scanning_codes) {
lcd.clear();
lcd.setCursor(0,0);
lcd.println("Scanning codes ");
lcdpage = scanning_codes;
}
for (int i = 0; i < 16; i++) {
lcd.setCursor(i,1);
lcd.print((char)pgm_read_word(&(lcd_scan_array[lcd_scan_position][i])));
}
if (lcd_scan_position < LCD_SCAN_ARRAY_SIZE) {
if (millis() - lcd_scan_change_millis > LOADING_DELAY) {
lcd_scan_position++;
lcd_scan_change_millis = millis();
}
}
else {
lcd_scan_position = 0;
}
}
void LCD_NoCodesFound(){
if(lcdpage != no_codes_found) {
lcd.clear();
lcd.setCursor(0,0);
lcd.print("*No fault found*");
lcdpage = no_codes_found;
}
}
constexpr float SCROLL_CHARACTER_DELAY = 300;
float character_display_timer = 0;
int displayed_code = 1;
int displayed_character = 0;
bool second_loop = false;
bool end_scroll_flag = false;
char code_string[MAX_LENGTH_OF_STRING];
char code_display_string[16] = {" "};
bool first_loop = true;
void LCD_CodesFound() {
if(lcdpage != codes_found) {
lcd.clear();
lcdpage = codes_found;
}
if (displayed_code == number_of_codes_present){
displayed_code = 1;
}
if (first_loop) { //First loop through to set the start time of the loop
DisplayCode(displayed_code);
first_loop = false;
}
if (end_scroll_flag) { //Advance to next present code
DisplayCode(displayed_code);
end_scroll_flag = false;
}
if (displayed_code > number_of_codes_present) { //Restart loop if showing last code
DisplayCode(0);
}
lcd.setCursor(0,0);
lcd.print("code "); lcd.print(displayed_code); lcd.print("/"); lcd.print(number_of_codes_present - 1); lcd.print(": ");
if (millis() - character_display_timer > SCROLL_CHARACTER_DELAY) {
//advances code_display_string to show code_string[] constantly scrolling
if (displayed_character > MAX_LENGTH_OF_STRING) { //reset scroll to first character
displayed_character = 0;
if (second_loop){
displayed_code++;
end_scroll_flag = true;
second_loop = false;
}
else {
second_loop = true;
}
}
else {
for (int i = 0; i < 16; i++) {
if(displayed_character + i < MAX_LENGTH_OF_STRING){
code_display_string[i] = code_string[displayed_character + i];
}
else{
code_display_string[i] = "#"; //@TODO why does this display as a blank space rather than #
}
}
displayed_character++;
}
character_display_timer = millis();
}
lcd.setCursor(0,1);
lcd.println(code_display_string);
}
void DisplayCode(int i) { //Changes the displayed code for the codes_found page
character_display_timer = millis();
displayed_code = i;
displayed_character = 0;
GetCodeString(i);
for (int k = 0; k < 16; k++) {
code_display_string[k] = code_string[k];
}
}
void GetCodeString(int i) { //gets full string of the current code to be displayed
int faultcode = fault_array[i];
for (int j = 0; j < MAX_LENGTH_OF_STRING; j++) {
code_string[j] = (char)pgm_read_word(&(FAULT_CODE_LOOKUP_TABLE[faultcode][j]));
}
}