void LCDinit(void)
{
PORTA = 00; // Clear Control port
LATA = 00; // and its corresponding Latch
TRISA = 0x01; // Make PORTA as output port
ADCON1 = 0x0E; // Make PORTA as digitital I/O
// This is done here assuming application code may be using PORTA of Analog application.
_delay(4); //
_delay(4); //
_delay(4); //~15 ms delay
WriteNibble(0x30); // #1 control byte
_delay(4);
WriteNibble(0x30); // #2 control byte
_delay_100us();
WriteNibble(0x30); // #3 control byte
_delay_100us();
WriteNibble(0x20); // #4 control sets 4 bit mode
_delay_100us();
Check_LCDBusy(); // Check whther LCD is free to continue operation
FunctionSet(0x28); // #5 control byte Function set
DisplayON (0x0D); // Turn on Display
DisplayClr (0x01); // Clear Display (clears junk if any)
EntryMode(0x06); // Entry mode selection
DDRAMadrs(0x80); // Initialise DDRAM address to 80h.
} // LCD Init ends
/** @brief Initialize all HD44780 control pins, set default mode, and return home
* @retval None
*/
void hd44780_c::Start(void){
GPIO_InitTypeDef GPIO_InitStructure;
//init EN pin
RCC_APB2PeriphClockCmd(HD44780_EN_CLK, ENABLE);
GPIO_InitStructure.GPIO_Pin = HD44780_EN_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(HD44780_EN_PORT, &GPIO_InitStructure);
GPIO_ResetBits(HD44780_EN_PORT, HD44780_EN_PIN);
//init RS pin
RCC_APB2PeriphClockCmd(HD44780_RS_CLK, ENABLE);
GPIO_InitStructure.GPIO_Pin = HD44780_RS_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(HD44780_RS_PORT, &GPIO_InitStructure);
//init RW pin
RCC_APB2PeriphClockCmd(HD44780_RW_CLK, ENABLE);
GPIO_InitStructure.GPIO_Pin = HD44780_RW_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(HD44780_RW_PORT, &GPIO_InitStructure);
//init DATA pins
RCC_APB2PeriphClockCmd(HD44780_DATA_CLK, ENABLE);
GPIO_InitStructure.GPIO_Pin = HD44780_DATA_PIN_4| HD44780_DATA_PIN_5| HD44780_DATA_PIN_6| HD44780_DATA_PIN_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(HD44780_DATA_PORT, &GPIO_InitStructure);
FunctionSet(false, false);
FunctionSet(false, false);
OnOff(true, true, true);
EntryMode(false, true);
Clear();
Home();
HLib::LoopDelay(1000000);
Print("Wellcome to HLib");
}
