/*
* GccApplication13.c
*
* Created: 2018-08-17 13:45:42
* Author : dawid.kwiatkowski
*/
#include „sam.h”
#define LEDA (1<<0)
#define LEDB (1<<17)
#define LCD_RS_s PIOC->PIO_SODR = (1<<4)
#define LCD_RS_c PIOC->PIO_CODR = (1<<4)
#define LCD_E_s PIOC->PIO_SODR = (1<<5)
#define LCD_E_c PIOC->PIO_CODR = (1<<5)
#define LCD_D4_s PIOA->PIO_SODR = (1<<16)
#define LCD_D4_c PIOA->PIO_CODR = (1<<16)
#define LCD_D5_s PIOC->PIO_SODR = (1<<7)
#define LCD_D5_c PIOC->PIO_CODR = (1<<7)
#define LCD_D6_s PIOA->PIO_SODR = (1<<15)
#define LCD_D6_c PIOA->PIO_CODR = (1<<15)
#define LCD_D7_s PIOC->PIO_SODR = (1<<6)
#define LCD_D7_c PIOC->PIO_CODR = (1<<6)
//#define INIT_DB4() GPIO_dir(PORT_DB4, DB4, 1);
//#define SET_DB4() GPIO_set(PORT_DB4, DB4, 1);
//#define CLR_DB4() GPIO_set(PORT_DB4, DB4, 0);
#define HD44780_CLEAR 0x01
#define HD44780_HOME 0x02
#define HD44780_ENTRY_MODE 0x04
#define HD44780_EM_SHIFT_CURSOR 0
#define HD44780_EM_SHIFT_DISPLAY 1
#define HD44780_EM_DECREMENT 0
#define HD44780_EM_INCREMENT 2
#define HD44780_DISPLAY_ONOFF 0x08
#define HD44780_DISPLAY_OFF 0
#define HD44780_DISPLAY_ON 4
#define HD44780_CURSOR_OFF 0
#define HD44780_CURSOR_ON 2
#define HD44780_CURSOR_NOBLINK 0
#define HD44780_CURSOR_BLINK 1
#define HD44780_DISPLAY_CURSOR_SHIFT 0x10
#define HD44780_SHIFT_CURSOR 0
#define HD44780_SHIFT_DISPLAY 8
#define HD44780_SHIFT_LEFT 0
#define HD44780_SHIFT_RIGHT 4
#define HD44780_FUNCTION_SET 0x20
#define HD44780_FONT5x7 0
#define HD44780_FONT5x10 4
#define HD44780_ONE_LINE 0
#define HD44780_TWO_LINE 8
#define HD44780_4_BIT 0
#define HD44780_8_BIT 16
#define HD44780_CGRAM_SET 0x40
#define HD44780_DDRAM_SET 0x80
//#define Lcd(tekst) LcdWriteProgmem(PSTR(tekst))
#define Lcd1 LcdGoto(0,0) // skok do pierwszej linii
#define Lcd2 LcdGoto(0,1) // skok do drugiej linii
void DelayUs(uint32_t us)
{
while(–us)
{
__NOP(); __NOP();
}
}
void DelayMs(uint32_t ms)
{
uint32_t ims;
for(ims=0; ims<ms; ims++) DelayUs(800);
}
void _lcd_Write(unsigned char dataToWrite)
{
if(dataToWrite & 0b00010000) LCD_D4_s; else LCD_D4_c;
if(dataToWrite & 0b00100000) LCD_D5_s; else LCD_D5_c;
if(dataToWrite & 0b01000000) LCD_D6_s; else LCD_D6_c;
if(dataToWrite & 0b10000000) LCD_D7_s; else LCD_D7_c;
LCD_E_s;
DelayUs(1);
LCD_E_c;
if(dataToWrite & 0b00000001) LCD_D4_s; else LCD_D4_c;
if(dataToWrite & 0b00000010) LCD_D5_s; else LCD_D5_c;
if(dataToWrite & 0b00000100) LCD_D6_s; else LCD_D6_c;
if(dataToWrite & 0b00001000) LCD_D7_s; else LCD_D7_c;
LCD_E_s;
DelayUs(1);
LCD_E_c;
DelayUs(40);
}
void LcdCommand(unsigned char commandToWrite) {
LCD_RS_c;
DelayUs(1);
_lcd_Write(commandToWrite);
}
void LcdData(unsigned char dataToWrite) {
LCD_RS_s;
DelayUs(1);
_lcd_Write(dataToWrite);
}
void LcdWrite(const char * text) {
while(*text) LcdData(*text++);
}
void LcdNumber(uint32_t licz)
{
char arr[10];
itoa(licz,arr,10) ;
LcdWrite(arr);
}
void LcdGoto(unsigned char x, unsigned char y) {
LcdCommand(HD44780_DDRAM_SET | (x + (0x40 * y)));
}
void LcdClear(void) {
LcdCommand(HD44780_CLEAR);
DelayMs(2);
}
void LcdInit(void) {
PIOC->PIO_PER = (1<<4);
PIOC->PIO_OER = (1<<4);
PIOC->PIO_PUDR = (1<<4);
PIOC->PIO_PER = (1<<5);
PIOC->PIO_OER = (1<<5);
PIOC->PIO_PUDR = (1<<5);
PIOA->PIO_PER = (1<<16);
PIOA->PIO_OER = (1<<16);
PIOA->PIO_PUDR = (1<<16);
PIOC->PIO_PER = (1<<7);
PIOC->PIO_OER = (1<<7);
PIOC->PIO_PUDR = (1<<7);
PIOA->PIO_PER = (1<<15);
PIOA->PIO_OER = (1<<15);
PIOA->PIO_PUDR = (1<<15);
PIOC->PIO_PER = (1<<6);
PIOC->PIO_OER = (1<<6);
PIOC->PIO_PUDR = (1<<6);
DelayMs(5); // oczekiwanie na ustalibizowanie się napiecia zasilajacego
LCD_RS_c;
LCD_E_c;
DelayMs(1);
for(uint8_t i = 0; i < 3; i++) { // trzykrotne powtórzenie bloku instrukcji
LCD_E_s;
_lcd_Write(0x03); // tryb 8-bitowy
DelayMs(1);
LCD_E_c;
DelayMs(5);
}
LCD_E_s;
_lcd_Write(0x02); // tryb 4-bitowy
DelayMs(1);
LCD_E_c;
DelayMs(1);
LcdCommand(HD44780_FUNCTION_SET | HD44780_FONT5x7 | HD44780_TWO_LINE | HD44780_4_BIT); // interfejs 4-bity, 2-linie, znak 5×7
LcdCommand(HD44780_DISPLAY_ONOFF | HD44780_DISPLAY_OFF); // wyłączenie wyswietlacza
LcdCommand(HD44780_CLEAR); // czyszczenie zawartosći pamieci DDRAM
DelayMs(2);
LcdCommand(HD44780_ENTRY_MODE | HD44780_EM_SHIFT_CURSOR | HD44780_EM_INCREMENT);// inkrementaja adresu i przesuwanie kursora
LcdCommand(HD44780_DISPLAY_ONOFF | HD44780_DISPLAY_ON | HD44780_CURSOR_OFF | HD44780_CURSOR_NOBLINK); // włącz lcd, bez kursora i mrugania
}
int main(void)
{
/* Initialize the SAM system */
SystemInit();
WDT->WDT_MR = WDT_MR_WDDIS;
PIOC->PIO_PER = LEDB;
PIOC->PIO_OER = LEDB;
PIOC->PIO_PUDR = LEDB;
PIOA->PIO_PER = LEDA;
PIOA->PIO_OER = LEDA;
PIOA->PIO_PUDR = LEDA;
PIOA->PIO_PER = (1<<7);
PIOA->PIO_OER = (1<<7);
PIOA->PIO_PUDR = (1<<7);
PIOA->PIO_PER = (1<<8);
PIOA->PIO_OER = (1<<8);
PIOA->PIO_PUDR = (1<<8);
PIOC->PIO_PER = (1<<1);
PIOC->PIO_OER = (1<<1);
PIOC->PIO_PUDR = (1<<1);
PIOA->PIO_PER = (1<<9);
PIOA->PIO_OER = (1<<9);
PIOA->PIO_PUDR = (1<<9);
PIOA->PIO_PER = (1<<10);
PIOA->PIO_PUER = (1<<10);
PIOC->PIO_PER = (1<<2);
PIOC->PIO_PUER = (1<<2);
PIOC->PIO_PER = (1<<3);
PIOC->PIO_PUER = (1<<3);
PIOA->PIO_PER = (1<<25);
PIOA->PIO_PUER = (1<<25);
PIOA->PIO_SODR = (1<<7);
PIOA->PIO_SODR = (1<<8);
PIOC->PIO_SODR = (1<<1);
PIOA->PIO_SODR = (1<<9);
PMC->PMC_PCER0 = 1<<11;
PMC->PMC_PCER0 = 1<<13;
//PMC->PMC_PCER0 = ID_PIOC;
LcdInit(); // inicjalizacja sterownika LCD
LcdClear();
LcdWrite(„Test 1”); // wyświetlenie napisu
uint16_t liczbs, liczbm = 0;
while (1)
{
LcdGoto(0,1);
liczbs++;
if (liczbs >= 59)
{
liczbs = 0;
liczbm++;
}
LcdNumber(liczbs);
LcdWrite(„:”);
LcdNumber(liczbm);
//LcdData(„A”);
PIOA->PIO_SODR = LEDA;
PIOC->PIO_CODR = LEDB;
DelayMs(50);
//LcdData(„0x00”);
PIOC->PIO_SODR = LEDB;
PIOA->PIO_CODR = LEDA;
DelayMs(50);
LcdGoto(8,0);
PIOA->PIO_CODR = (1<<7);
if (!(PIOA->PIO_PDSR & (1<<10))) LcdWrite(„1”);
if (!(PIOC->PIO_PDSR & (1<<2))) LcdWrite(„2”);
if (!(PIOC->PIO_PDSR & (1<<3))) LcdWrite(„3”);
if (!(PIOA->PIO_PDSR & (1<<25))) LcdWrite(„A”);
PIOA->PIO_SODR = (1<<7);
PIOA->PIO_CODR = (1<<8);
if (!(PIOA->PIO_PDSR & (1<<10))) LcdWrite(„4”);
if (!(PIOC->PIO_PDSR & (1<<2))) LcdWrite(„5”);
if (!(PIOC->PIO_PDSR & (1<<3))) LcdWrite(„6”);
if (!(PIOA->PIO_PDSR & (1<<25))) LcdWrite(„B”);
PIOA->PIO_SODR = (1<<8);
PIOC->PIO_CODR = (1<<1);
if (!(PIOA->PIO_PDSR & (1<<10))) LcdWrite(„7”);
if (!(PIOC->PIO_PDSR & (1<<2))) LcdWrite(„8”);
if (!(PIOC->PIO_PDSR & (1<<3))) LcdWrite(„9”);
if (!(PIOA->PIO_PDSR & (1<<25))) LcdWrite(„C”);
PIOC->PIO_SODR = (1<<1);
PIOA->PIO_CODR = (1<<9);
if (!(PIOA->PIO_PDSR & (1<<10))) LcdWrite(„*”);
if (!(PIOC->PIO_PDSR & (1<<2))) LcdWrite(„0”);
if (!(PIOC->PIO_PDSR & (1<<3))) LcdWrite(„#”);
if (!(PIOA->PIO_PDSR & (1<<25))) LcdWrite(„D”);
PIOA->PIO_SODR = (1<<9);
}
}