Така ли трябва да стане?
#define BL PIN_A3
#define RS PIN_A2
#define RW PIN_A1
#define E PIN_A0
/*---------------------======PIN DEFINITION======-------------------------------
PIN_A3 - BackLight(BL)
PIN_A2 - Register Select (RS)
PIN_A1 - Read/Write (RW)
PIN_A0 - Enable (E)
PIN_RB0 - Data Bit 0 (RB0)
PIN_RB1 - Data Bit 1 (RB1)
PIN_RB2 - Data Bit 2 (RB2)
PIN_RB3 - Data Bit 3 (RB3)
PIN_RB4 - Data Bit 4 (RB4)
PIN_RB5 - Data Bit 5 (RB5)
PIN_RB6 - Data Bit 6 (RB6)
PIN_RB7 - Data Bit 7 (RB7)
==============================================================================*/
void Clear_Display(void);
//Clears display and AC (address counter) = 0
void Home(void);
//Sets cursor at home
void Mode_Set(int1 ID, int1 SH);
//I/D 0 - decrease SH 0 - display shift off at Read/Write
// 1 - increase 1 - display shift on at Read/Write
void Disp_Curs_On_Off(int1 D, int1 C, int1 B);
//D 0 - display off C 0 - cursor off B 0 - cursor blinking off
//D 1 - display on 1 - cursor on 1 - cursor blinking on
void Disp_Curs_Shift(int1 S_CD, int1 RL);
//S_CD 0 - cursor shift RL 0 - left
// 1 - display shift 1 - right
void Function_Set(int1 DL, int1 N, int1 F);
//DL 0 - 4bits interface N 0 - 1 row F 0 - 5x8 font
// 1 - 8bits interface N 1 - 2 rows 1 - 5x10 font
void CGRAM_Adrs(int Adrs);
//Send CGRAM Adrs, Adrs - 6bits
void DDRAM_Adrs(int Adrs);
//Send DDRAM Adrs, Adrs - 7bits
void Write_Data(int data);
//Send data(char), data - 8bits
int Read_Data(int data);
//Read data
int1 Read_BF_AC(int* AC);
//Read Busy Flag (BF) and Address Counter (AC)
void Init_LCD(void);
//initialize LCD
void Set_Zeros(void);
//Set zeros after instruction
void Write_str(char* data, int n);
//write string on the LCD
void Write_number(signed int32 d);
//write number on the LCD
void Clear_Display()
{
output_bit(RS, 0);
output_bit(RW, 0);
output_D(0x01);
output_bit(E, 1);
delay_ms(2);
Set_Zeros();
}
void Home()
{
output_bit(RS, 0);
output_bit(RW, 0);
output_D(0x02);
output_bit(E, 1);
delay_ms(2);
Set_Zeros();
}
void Mode_Set(int1 ID, int1 SH)
{
int port = 0x02;
port |= ID;
port <<= 1;
port |= SH;
output_bit(RS, 0);
output_bit(RW, 0);
output_D(port);
output_bit(E, 1);
delay_us(50);
Set_Zeros();
}
void Disp_Curs_On_Off(int1 D, int1 C, int1 B)
{
int port = 0x02;
port |= D;
port <<= 1;
port |= C;
port <<= 1;
port |= B;
output_bit(RS, 0);
output_bit(RW, 0);
output_D(port);
output_bit(E, 1);
delay_us(50);
Set_Zeros();
}
void Disp_Curs_Shift(int1 S_CD, int1 RL)
{
int port = 0x02;
port |= S_CD;
port <<= 1;
port |= RL;
port <<= 2;
output_bit(RS, 0);
output_bit(RW, 0);
output_D(port);
output_bit(E, 1);
delay_us(50);
Set_Zeros();
}
void Function_Set(int1 DL, int1 N, int1 F)
{
int port = 0x02;
port |= DL;
port <<= 1;
port |= N;
port <<= 1;
port |= F;
port <<= 2;
output_bit(RS, 0);
output_bit(RW, 0);
output_D(port);
output_bit(E, 1);
delay_us(50);
Set_Zeros();
}
void CGRAM_Adrs(int Adrs)
{
int port = 0x40;
port |= Adrs;
output_bit(RS, 0);
output_bit(RW, 0);
output_D(port);
output_bit(E, 1);
delay_us(50);
Set_Zeros();
}
void DDRAM_Adrs(int Adrs)
{
int port = 0x80;
port |= Adrs;
output_bit(RS, 0);
output_bit(RW, 0);
output_D(port);
output_bit(E, 1);
delay_us(50);
Set_Zeros();
}
void Write_Data(int data)
{
int1 BF;
int AC, *pAC;
pAC = &AC;
Read_BF_AC(pAC);
if(*pAC == 0x14)
DDRAM_Adrs(0x40);
else
if(*pAC == 0x54)
DDRAM_Adrs(0x00);
output_bit(RS, 1);
output_bit(RW, 0);
output_D(data);
output_bit(E, 1);
delay_us(50);
Set_Zeros();
}
int Read_Data(int data)
{
output_bit(RS, 1);
output_bit(RW, 1);
output_bit(E, 1);
delay_us(50);
data = input_D();
Set_Zeros();
return data;
}
int1 Read_BF_AC(int* AC)
{
int1 BF;
output_bit(RS, 0);
output_bit(RW, 1);
output_bit(E, 1);
delay_us(50);
BF = input(PIN_D7);
*AC = input_D();
*AC &= 0x7F;
Set_Zeros();
return BF;
}
void Init_LCD(void)
{
delay_ms(30);
Function_Set(1,1,0);
Disp_Curs_On_Off(1,0,0);
Clear_Display();
Mode_Set(1, 0);
delay_ms(10);
Set_Zeros();
}
void Set_Zeros(void)
{
output_bit(E, 0);
output_bit(RW, 0);
output_bit(RS, 0);
output_D(0x00);
}
void write_str(char* data, int n)
{
int i = 0;
for(i = 0; i < n; i++)
write_data((int)data[i]);
}
void write_number(signed int32 d)
{
signed int i;
int digit[10] = {0};
int1 minus;
if(d < 0) minus = 1;
for(i = 0; d != 0; i++)
{
digit[i] = ((d%10)+48);
d/=10;
}
if(minus)
{
digit[i] = 45;
i++;
}
for(i--; i >= 0; i--)
write_data(digit[i]);
}
П.П. Може ли някой да даде схемата за дисплея,за да знам дали мога да го направа. :roll:
А някакъв друг дисплей със който ще стане?
