//-----------------------------------------------------------------------------
void lcd_2x16_write_data(uint8_t data) {
palSetPad(HD44780_PORT_RS, HD44780_PIN_RS);
lcd_HD44780_write(data);
lcd_HD44780_write(data << 4);
palClearPad(HD44780_PORT_RS, HD44780_PIN_RS);
}
//-----------------------------------------------------------------------------
void lcd_HD44780_write_data(uint8_t data) {
palSetPad(getHwPort(boardConfiguration->HD44780_rs), getHwPin(boardConfiguration->HD44780_rs));
lcd_HD44780_write(data);
lcd_HD44780_write(data << 4);
currentColumn++;
palClearPad(getHwPort(boardConfiguration->HD44780_rs), getHwPin(boardConfiguration->HD44780_rs));
}
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 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 lcd_HD44780_write_command(uint8_t data) {
palClearPad(getHwPort(boardConfiguration->HD44780_rs), getHwPin(boardConfiguration->HD44780_rs));
lcd_HD44780_write(data);
lcd_HD44780_write(data << 4);
}
