HD44780_RESULT confLCD(void) {
if (HD44780_DisplayON(&hd44780) != HD44780_RES_OK) {
return HD44780_RES_ERROR;
}
if (HD44780_ClearDisplay(&hd44780) != HD44780_RES_OK) {
return HD44780_RES_ERROR;
}
if (HD44780_SetLocation(&hd44780, 0, 0) != HD44780_RES_OK) {
return HD44780_RES_ERROR;
}
if (HD44780_WriteString(&hd44780, "Clock:") != HD44780_RES_OK) {
return HD44780_RES_ERROR;
}
return HD44780_RES_OK;
}
/*************************************************************************
* Function Name: HD44780_Init
* Parameters: none
* Return: HD44780_ERROR_CODE_DEF
* HD44780_OK 0: Pass
* HD44780_ERROR 1: Busy check Time Out
* Description: Init HD44780 after power-up
*
*************************************************************************/
HD44780_ERROR_CODE_DEF HD44780_PowerUpInit (void)
{
Int8U Command;
HD4478_Ctrl.DisplayPos = 0;
/* Init MCU IO */
HD44780_IO_Init();
/* Power up init sequence */
Dly100us((void *)HD44780_POWER_UP_DLY);
HD44780SetRS(0);
HD44780WrComm_High(HD44780_FUNCTION_SET+HD44780_FUNCTION_SET_8_BIT);
Dly100us((void *)HD44780_FIRST_COMM_DLY);
HD44780WrComm_High(HD44780_FUNCTION_SET+HD44780_FUNCTION_SET_8_BIT);
Dly100us((void *)HD44780_SECOND_COMM_DLY);
HD44780WrComm_High(HD44780_FUNCTION_SET+HD44780_FUNCTION_SET_8_BIT);
Dly100us((void *)HD44780_SECOND_COMM_DLY);
/* Display Function set */
#if HD44780_BUS_WIDTH == 8
Command = HD44780_FUNCTION_SET + HD44780_FUNCTION_SET_8_BIT;
#else
HD44780WrComm_High(HD44780_FUNCTION_SET + HD44780_FUNCTION_SET_4_BIT);
Dly100us((void *)HD44780_SECOND_COMM_DLY);
Command = HD44780_FUNCTION_SET + HD44780_FUNCTION_SET_4_BIT;
#endif
if (HD4478_Ctrl.Line)
{
Command |= HD44780_FUNCTION_SET_2_LINE;
}
if (HD4478_Ctrl.DotMode)
{
Command |= HD44780_FUNCTION_SET_DOT_5_10;
}
HD44780WrComm(Command);
if (HD44780_BusyCheck(NULL,HD44780_SECOND_COMM_DLY) != HD44780_OK)
{
return HD44780_ERROR;
}
/* Display off */
HD44780WrComm(HD44780_DISPLAY_CTRL);
if (HD44780_BusyCheck(NULL,HD44780_MAX_COMM_DLY) != HD44780_OK)
{
return HD44780_ERROR;
}
/* Display clear */
if (HD44780_ClearDisplay() != HD44780_OK)
{
return HD44780_ERROR;
}
#if HD4780_WR == 0
DataRamAddHold = 0;
#endif
/* Set entry mode */
Command = HD44780_ENTRY_MODE;
if (HD4478_Ctrl.AC_Direction)
{
Command |= HD44780_ENTRY_MODE_INC;
}
if (HD4478_Ctrl.DisplayShift)
{
Command |= HD44780_ENTRY_MODE_BOTH_S;
}
/* Set Display and cursor mode */
if (HD44780_SetMode() != HD44780_OK)
{
return HD44780_ERROR;
}
return HD44780_OK;
}
