void lcd_HD44780_print_char(char data) {
if (data == '\n') {
lcd_HD44780_set_position(++currentRow, 0);
} else {
lcd_2x16_write_data(data);
}
}
void lcd_HD44780_init(Logging *sharedLogger) {
logger = sharedLogger;
addConsoleAction("lcdinfo", lcdInfo);
if (engineConfiguration->displayMode > DM_HD44780_OVER_PCF8574) {
firmwareError("Unexpected displayMode %d", engineConfiguration->displayMode);
return;
}
printMsg(logger, "lcd_HD44780_init %d", engineConfiguration->displayMode);
if (engineConfiguration->displayMode == DM_HD44780) {
// initialize hardware lines
mySetPadMode2("lcd RS", boardConfiguration->HD44780_rs, PAL_MODE_OUTPUT_PUSHPULL);
mySetPadMode2("lcd E", boardConfiguration->HD44780_e, PAL_MODE_OUTPUT_PUSHPULL);
mySetPadMode2("lcd DB4", boardConfiguration->HD44780_db4, PAL_MODE_OUTPUT_PUSHPULL);
mySetPadMode2("lcd DB6", boardConfiguration->HD44780_db5, PAL_MODE_OUTPUT_PUSHPULL);
mySetPadMode2("lcd DB7", boardConfiguration->HD44780_db6, PAL_MODE_OUTPUT_PUSHPULL);
mySetPadMode2("lcd DB8", boardConfiguration->HD44780_db7, PAL_MODE_OUTPUT_PUSHPULL);
// and zero values
palWritePad(getHwPort(boardConfiguration->HD44780_rs), getHwPin(boardConfiguration->HD44780_rs), 0);
palWritePad(getHwPort(boardConfiguration->HD44780_e), getHwPin(boardConfiguration->HD44780_e), 0);
palWritePad(getHwPort(boardConfiguration->HD44780_db4), getHwPin(boardConfiguration->HD44780_db4), 0);
palWritePad(getHwPort(boardConfiguration->HD44780_db5), getHwPin(boardConfiguration->HD44780_db5), 0);
palWritePad(getHwPort(boardConfiguration->HD44780_db6), getHwPin(boardConfiguration->HD44780_db6), 0);
palWritePad(getHwPort(boardConfiguration->HD44780_db7), getHwPin(boardConfiguration->HD44780_db7), 0);
}
chThdSleepMilliseconds(20); // LCD needs some time to wake up
lcd_HD44780_write(LCD_HD44780_RESET); // reset 1x
chThdSleepMilliseconds(1);
lcd_HD44780_write(LCD_HD44780_RESET); // reset 2x
lcd_HD44780_write(LCD_HD44780_RESET); // reset 3x
lcd_HD44780_write(LCD_HD44780_4_BIT_BUS); // 4 bit, 2 line
chThdSleepMicroseconds(40);
lcd_HD44780_write(LCD_HD44780_4_BIT_BUS); // 4 bit, 2 line
lcd_HD44780_write(0x80);
chThdSleepMicroseconds(40);
lcd_HD44780_write_command(0x08); // display and cursor control
chThdSleepMicroseconds(40);
lcd_HD44780_write_command(LCD_HD44780_DISPLAY_CLEAR);
chThdSleepMilliseconds(2);
lcd_HD44780_write_command(LCD_HD44780_SHIFT_CURSOR_RIGHT);
chThdSleepMilliseconds(2);
lcd_HD44780_write_command(LCD_HD44780_DISPLAY_ON);
lcd_HD44780_set_position(0, 0);
printMsg(logger, "lcd_HD44780_init() done");
}
void updateHD44780lcd(void) {
lcd_HD44780_set_position(0, 9);
/**
* this would blink so that we know the LCD is alive
*/
if (getTimeNowSeconds() % 2 == 0) {
lcd_HD44780_print_char('R');
} else {
lcd_HD44780_print_char(' ');
}
lcd_HD44780_set_position(0, 10);
char * ptr = itoa10(buffer, getRpm());
ptr[0] = 0;
int len = ptr - buffer;
for (int i = 0; i < 6 - len; i++) {
lcd_HD44780_print_char(' ');
}
lcd_HD44780_print_string(buffer);
if (hasFirmwareError()) {
memcpy(buffer, getFirmwareError(), LCD_WIDTH);
buffer[LCD_WIDTH] = 0;
lcd_HD44780_set_position(1, 0);
lcd_HD44780_print_string(buffer);
return;
}
lcd_HD44780_set_position(1, 0);
memset(buffer, ' ', LCD_WIDTH);
memcpy(buffer, getWarninig(), LCD_WIDTH);
buffer[LCD_WIDTH] = 0;
lcd_HD44780_print_string(buffer);
if (engineConfiguration->HD44780height < 3) {
return;
}
int index = (getTimeNowSeconds() / 2) % (NUMBER_OF_DIFFERENT_LINES / 2);
prepareCurrentSecondLine(index);
buffer[LCD_WIDTH] = 0;
lcd_HD44780_set_position(2, 0);
lcd_HD44780_print_string(buffer);
prepareCurrentSecondLine(index + NUMBER_OF_DIFFERENT_LINES / 2);
buffer[LCD_WIDTH] = 0;
lcd_HD44780_set_position(3, 0);
lcd_HD44780_print_string(buffer);
#if EFI_PROD_CODE
dateToString(dateBuffer);
lcd_HD44780_set_position(1, 0);
lcd_HD44780_print_string(dateBuffer);
#endif /* EFI_PROD_CODE */
}
void lcd_HD44780_init(void) {
initLogging(&logger, "HD44780 driver");
addConsoleAction("lcdinfo", lcdInfo);
if (engineConfiguration->displayMode == DM_HD44780) {
mySetPadMode("lcd RS", HD44780_PORT_RS, HD44780_PIN_RS, PAL_MODE_OUTPUT_PUSHPULL);
mySetPadMode("lcd E", HD44780_PORT_E, HD44780_PIN_E, PAL_MODE_OUTPUT_PUSHPULL);
mySetPadMode("lcd DB4", HD44780_PORT_DB4, HD44780_PIN_DB4, PAL_MODE_OUTPUT_PUSHPULL);
mySetPadMode("lcd DB6", HD44780_PORT_DB5, HD44780_PIN_DB5, PAL_MODE_OUTPUT_PUSHPULL);
mySetPadMode("lcd DB7", HD44780_PORT_DB6, HD44780_PIN_DB6, PAL_MODE_OUTPUT_PUSHPULL);
mySetPadMode("lcd DB8", HD44780_PORT_DB7, HD44780_PIN_DB7, PAL_MODE_OUTPUT_PUSHPULL);
palWritePad(HD44780_PORT_RS, HD44780_PIN_RS, 0);
palWritePad(HD44780_PORT_E, HD44780_PIN_E, 0);
palWritePad(HD44780_PORT_DB4, HD44780_PIN_DB4, 0);
palWritePad(HD44780_PORT_DB5, HD44780_PIN_DB5, 0);
palWritePad(HD44780_PORT_DB6, HD44780_PIN_DB6, 0);
palWritePad(HD44780_PORT_DB7, HD44780_PIN_DB7, 0);
}
// LCD needs some time to wake up
chThdSleepMilliseconds(50);
lcd_HD44780_write(LCD_2X16_RESET);
chThdSleepMilliseconds(1);
lcd_HD44780_write(0x30);
lcd_HD44780_write(LCD_2X16_4_BIT_BUS); // 4 bit, 2 line
chThdSleepMicroseconds(40);
lcd_HD44780_write(LCD_2X16_4_BIT_BUS); // 4 bit, 2 line
lcd_HD44780_write(0x80);
chThdSleepMicroseconds(40);
lcd_HD44780_write(0x00); // display and cursor control
lcd_HD44780_write(0xC0);
chThdSleepMicroseconds(40);
lcd_HD44780_write(0x00); // display clear
lcd_HD44780_write(0x01);
chThdSleepMilliseconds(2);
lcd_HD44780_write(0x00); // entry mode set
lcd_HD44780_write(0x60);
lcd_HD44780_set_position(0, 0);
lcd_HD44780_print_string("rusefi here\n");
lcd_HD44780_print_string(__DATE__);
}
void lcdShowFatalMessage(char *message) {
BUSY_WAIT_DELAY = TRUE;
lcd_HD44780_set_position(0, 0);
lcd_HD44780_print_string("fatal\n");
lcd_HD44780_print_string(message);
}
void updateHD44780lcd(Engine *engine) {
MenuItem *p = tree.topVisible;
int screenY = 0;
for (; screenY < tree.linesCount && p != NULL; screenY++) {
lcd_HD44780_set_position(screenY, 0);
char firstChar;
if (p == tree.current) {
if (p->callback != NULL) {
firstChar = '!';
} else {
firstChar = p->firstChild == NULL ? '*' : '>';
}
} else {
firstChar = ' ';
}
lcd_HD44780_print_char(firstChar);
if (p->lcdLine == LL_STRING) {
lcd_HD44780_print_string(p->text);
} else {
showLine(p->lcdLine, screenY);
}
fillWithSpaces();
p = p->next;
}
for (; screenY < tree.linesCount; screenY++) {
lcd_HD44780_set_position(screenY, 0);
fillWithSpaces();
}
memcpy(buffer, getWarninig(), engineConfiguration->HD44780width);
buffer[engineConfiguration->HD44780width] = 0;
lcd_HD44780_set_position(engineConfiguration->HD44780height - 1, 0);
lcd_HD44780_print_string(buffer);
fillWithSpaces();
//
// lcd_HD44780_set_position(0, 9);
// /**
// * this would blink so that we know the LCD is alive
// */
// if (isEven) {
// lcd_HD44780_print_char('R');
// } else {
// lcd_HD44780_print_char(' ');
// }
// lcd_HD44780_set_position(0, 10);
//
// char * ptr = itoa10(buffer, getRpmE(engine));
// ptr[0] = 0;
// int len = ptr - buffer;
// for (int i = 0; i < 6 - len; i++) {
// lcd_HD44780_print_char(' ');
// }
// lcd_HD44780_print_string(buffer);
//
// if (hasFirmwareError()) {
// memcpy(buffer, getFirmwareError(), LCD_WIDTH);
// buffer[LCD_WIDTH] = 0;
// lcd_HD44780_set_position(1, 0);
// lcd_HD44780_print_string(buffer);
// return;
// }
//
// lcd_HD44780_set_position(1, 0);
// memset(buffer, ' ', LCD_WIDTH);
// memcpy(buffer, getWarninig(), LCD_WIDTH);
// buffer[LCD_WIDTH] = 0;
// lcd_HD44780_print_string(buffer);
//
// if (engineConfiguration->HD44780height < 3) {
// return;
// }
//
// int index = (getTimeNowSeconds() / 2) % (NUMBER_OF_DIFFERENT_LINES / 2);
//
// prepareCurrentSecondLine(engine, index);
// buffer[LCD_WIDTH] = 0;
// lcd_HD44780_set_position(2, 0);
// lcd_HD44780_print_string(buffer);
//
// prepareCurrentSecondLine(engine, index + NUMBER_OF_DIFFERENT_LINES / 2);
// buffer[LCD_WIDTH] = 0;
// lcd_HD44780_set_position(3, 0);
// lcd_HD44780_print_string(buffer);
//
//#if EFI_PROD_CODE
// dateToString(dateBuffer);
// lcd_HD44780_set_position(1, 0);
// lcd_HD44780_print_string(dateBuffer);
//#endif /* EFI_PROD_CODE */
}
