#include "LCD.h"#include "GPIO.h"
#define OD Out_PP
#define D1 3000 //900
#define D2 180000//60000
#define D3 30000 //4000
#define D4 4000000 //4000
void Delay(int Time){
unsigned int i;
for(i = 0; i <= Time; i++);
};
/********* function for lcd 8bit init **************/
void LCD_8BIT_Init(struct PIN_LCD *PIN_LCD){
Delay(D2);
Init_PIN(PIN_LCD->PORT_BIT0,PIN_LCD->PIN_BIT0,Config_Out_50MHz,OD); // set pin bit 0
Init_PIN(PIN_LCD->PORT_BIT1,PIN_LCD->PIN_BIT1,Config_Out_50MHz,OD); // set pin bit 1
Init_PIN(PIN_LCD->PORT_BIT2,PIN_LCD->PIN_BIT2,Config_Out_50MHz,OD); // set pin bit 2
Init_PIN(PIN_LCD->PORT_BIT3,PIN_LCD->PIN_BIT3,Config_Out_50MHz,OD); // set pin bit 3
Init_PIN(PIN_LCD->PORT_BIT4,PIN_LCD->PIN_BIT4,Config_Out_50MHz,OD); // set pin bit 4
Init_PIN(PIN_LCD->PORT_BIT5,PIN_LCD->PIN_BIT5,Config_Out_50MHz,OD); // set pin bit 5
Init_PIN(PIN_LCD->PORT_BIT6,PIN_LCD->PIN_BIT6,Config_Out_50MHz,OD); // set pin bit 6
Init_PIN(PIN_LCD->PORT_BIT7,PIN_LCD->PIN_BIT7,Config_Out_50MHz,OD); // set pin bit 7
Init_PIN(PIN_LCD->PORT_RS,PIN_LCD->PIN_RS,Config_Out_50MHz,OD); // set pin bit RS
Init_PIN(PIN_LCD->PORT_E,PIN_LCD->PIN_E,Config_Out_50MHz,OD); // set pin bit E
Init_PIN(PIN_LCD->PORT_RW,PIN_LCD->PIN_RW,Config_Out_50MHz,OD); // set pin bit RW
LCD_Command(0x38,PIN_LCD); // send command to lcd for init lcd 8 bit
LCD_Command(0x0F,PIN_LCD); // send command to lcd for Display ON
LCD_Command(0x01,PIN_LCD); // send command to lcd for clear Display
LCD_Command(0x06,PIN_LCD); // Entry Mode SET
LCD_Command(0x80,PIN_LCD); // cursor go to row 1 & column 1
};
/************ send command to lcd *************/
void LCD_Command(unsigned char Command,struct PIN_LCD *PIN_LCD){
Reset_PIN(PIN_LCD->PORT_RW,PIN_LCD->PIN_RW); // reset Pin RW
Reset_PIN(PIN_LCD->PORT_RS,PIN_LCD->PIN_RS); // reset Pin RS
Set_PIN_LCD(PIN_LCD,Command); // set Pins value
Set_PIN(PIN_LCD->PORT_E,PIN_LCD->PIN_E); // set Pin Enable LCD
Delay(D1);
Reset_PIN(PIN_LCD->PORT_E,PIN_LCD->PIN_E); // Reset Pin Enable LCD
Delay(D2);
Reset_PIN_LCD(PIN_LCD,Command); // reset Pins data
};
/************ send Character to lcd *************/
void LCD_Putchar(char Char,struct PIN_LCD *PIN_LCD){
Set_PIN(PIN_LCD->PORT_RS,PIN_LCD->PIN_RS); // set pin RS
Reset_PIN(PIN_LCD->PORT_RW,PIN_LCD->PIN_RW); // reset pin RW
Set_PIN_LCD(PIN_LCD,Char); // set pins data
Set_PIN(PIN_LCD->PORT_E,PIN_LCD->PIN_E); // set pin E
Delay(D1);
Reset_PIN(PIN_LCD->PORT_E,PIN_LCD->PIN_E); // reset pin Enable lcd
Delay(D3);
Reset_PIN_LCD(PIN_LCD,Char); // reset pins data
};
void Set_PIN_LCD(struct PIN_LCD *PIN_LCD,char Value){
if( (Value - 128) >= 0){
Set_PIN(PIN_LCD->PORT_BIT7,PIN_LCD->PIN_BIT7); // while (value -128) >=0 set PIN
Value = Value - 128;
};
if( (Value - 64) >= 0){
Set_PIN(PIN_LCD->PORT_BIT6,PIN_LCD->PIN_BIT6); // while (value -64) >=0 set PIN
Value = Value - 64;
};
if( (Value - 32) >= 0){
Set_PIN(PIN_LCD->PORT_BIT5,PIN_LCD->PIN_BIT5); // while (value -32) >=0 set PIN
Value = Value - 32;
};
if( (Value - 16) >= 0){
Set_PIN(PIN_LCD->PORT_BIT4,PIN_LCD->PIN_BIT4); // while (value -16) >=0 set PIN
Value = Value - 16;
};
if( (Value - 8) >= 0){
Set_PIN(PIN_LCD->PORT_BIT3,PIN_LCD->PIN_BIT3); // while (value -8) >=0 set PIN
Value = Value - 8;
};
if( (Value - 4) >= 0){
Set_PIN(PIN_LCD->PORT_BIT2,PIN_LCD->PIN_BIT2); // while (value -4) >=0 set PIN
Value = Value - 4;
};
if( (Value - 2) >= 0){
Set_PIN(PIN_LCD->PORT_BIT1,PIN_LCD->PIN_BIT1); // while (value -2) >=0 set PIN
Value = Value - 2;
};
if( (Value - 1) >= 0){
Set_PIN(PIN_LCD->PORT_BIT0,PIN_LCD->PIN_BIT0); // while (value -1) >=0 set PIN
Value = Value - 1;
};
};
void Reset_PIN_LCD(struct PIN_LCD *PIN_LCD,char Value){
if( (Value - 128) >= 0){
Reset_PIN(PIN_LCD->PORT_BIT7,PIN_LCD->PIN_BIT7); // while (value -128) >=0 reset PIN
Value = Value - 128;
};
if( (Value - 64) >= 0){
Reset_PIN(PIN_LCD->PORT_BIT6,PIN_LCD->PIN_BIT6); // while (value -64) >=0 reset PIN
Value = Value - 64;
};
if( (Value - 32) >= 0){
Reset_PIN(PIN_LCD->PORT_BIT5,PIN_LCD->PIN_BIT5); // while (value -32) >=0 reset PIN
Value = Value - 32;
};
if( (Value - 16) >= 0){
Reset_PIN(PIN_LCD->PORT_BIT4,PIN_LCD->PIN_BIT4); // while (value -16) >=0 reset PIN
Value = Value - 16;
};
if( (Value - 8) >= 0){
Reset_PIN(PIN_LCD->PORT_BIT3,PIN_LCD->PIN_BIT3); // while (value -8) >=0 reset PIN
Value = Value - 8;
};
if( (Value - 4) >= 0){
Reset_PIN(PIN_LCD->PORT_BIT2,PIN_LCD->PIN_BIT2); // while (value -4) >=0 reset PIN
Value = Value - 4;
};
if( (Value - 2) >= 0){
Reset_PIN(PIN_LCD->PORT_BIT1,PIN_LCD->PIN_BIT1); // while (value -2) >=0 reset PIN
Value = Value - 2;
};
if( (Value - 1) >= 0){
Reset_PIN(PIN_LCD->PORT_BIT0,PIN_LCD->PIN_BIT0); // while (value -1) >=0 reset PIN
Value = Value - 1;
};
};
[FONT=Yekan]#include "GPIO.h"[/FONT]#include "stm32f10x.h"
void Init_PIN(char Port,char PIN,char Config_IO,char Mode){
switch (Port){
case 1: //PORT is A
while( ( (Config_IO < 0) || (Config_IO > 3) ) || ( (Mode <0) || (Mode > 3) ) ); // check Config_IO And Mode Not INvalid
if( (PIN >= 0) && (PIN <= 7) ){ // Number Pin Between 0 And 7
GPIOA->CRL &= ~( 3 << (PIN * 4) ); // Config Bit Mode(In Register CRL) == 0
GPIOA->CRL &= ~( 3 << ( ( PIN * 4) + 2 ) ); // Config Bit CNF(In Register CRL) for Config Mode == 0
GPIOA->CRL |= ( Config_IO << (PIN * 4) ); // Config Bit Mode(In Register CRL)
GPIOA->CRL |= ( Mode << ( ( PIN * 4) + 2 ) ); // Config Bit CNF(In Register CRL) for Config Mode
while( ( ( GPIOA->CRL & ( 3 << (PIN * 4) ) ) != ( Config_IO << (PIN * 4) ) ) || ( ( GPIOA->CRL & ( 3 << ( ( PIN * 4) + 2 ) ) ) != ( Mode << ( ( PIN * 4) + 2 ) ) ) ); // wait set Bits Mode And CNF(In Register CRL)
}
else if( (PIN >= 8) && (PIN <= 15) ){ // Number Pin Between 8 And 15
GPIOA->CRH &= ~( 3 << ( ( PIN - 8 ) * 4) ); // Config Bit Mode(In Register CRH) == 0
GPIOA->CRH &= ~( 3 << ( ( ( PIN - 8 ) * 4) + 2 ) ); // Config Bit CNF(In Register CRH) for Config Mode == 0
GPIOA->CRH |= ( Config_IO << ( (PIN - 8) * 4) ); // Config Bit Mode(In Register CRH)
GPIOA->CRH |= ( Mode << ( ( ( PIN - 8 ) * 4) + 2 ) ); // Config Bit CNF(In Register CRH) for Config Mode
while( ( ( GPIOA->CRH & ( 3 << ( ( PIN - 8 ) * 4) ) ) != ( Config_IO << ( ( PIN - 8 ) * 4) ) ) || ( ( GPIOA->CRH & ( 3 << ( ( ( PIN - 8 ) * 4) + 2 ) ) ) != ( Mode << ( ( ( PIN - 8 ) * 4) + 2 ) ) ) ); // wait set Bits Mode And CNF(In Register CRH)
}
else{
while(1);
};
break;
case 2: //PORT is B
while( ( (Config_IO < 0) || (Config_IO > 3) ) || ( (Mode <0) || (Mode > 3) ) ); // check Config_IO And Mode Not INvalid
if( (PIN >= 0) && (PIN <= 7) ){ // Number Pin Between 0 And 7
GPIOB->CRL &= ~( 3 << (PIN * 4) ); // Config Bit Mode(In Register CRL) == 0
GPIOB->CRL &= ~( 3 << ( ( PIN * 4) + 2 ) ); // Config Bit CNF(In Register CRL) for Config Mode == 0
GPIOB->CRL |= ( Config_IO << (PIN * 4) ); // Config Bit Mode(In Register CRL)
GPIOB->CRL |= ( Mode << ( ( PIN * 4) + 2 ) ); // Config Bit CNF(In Register CRL) for Config Mode
while( ( ( GPIOB->CRL & ( 3 << (PIN * 4) ) ) != ( Config_IO << (PIN * 4) ) ) || ( ( GPIOB->CRL & ( 3 << ( ( PIN * 4) + 2 ) ) ) != ( Mode << ( ( PIN * 4) + 2 ) ) ) ); // wait set Bits Mode And CNF(In Register CRL)
}
else if( (PIN >= 8) && (PIN <= 15) ){ // Number Pin Between 8 And 15
GPIOB->CRH &= ~( 3 << ( ( PIN - 8 ) * 4) ); // Config Bit Mode(In Register CRH) == 0
GPIOB->CRH &= ~( 3 << ( ( ( PIN - 8 ) * 4) + 2 ) ); // Config Bit CNF(In Register CRH) for Config Mode == 0
GPIOB->CRH |= ( Config_IO << ( (PIN - 8) * 4) ); // Config Bit Mode(In Register CRH)
GPIOB->CRH |= ( Mode << ( ( ( PIN - 8 ) * 4) + 2 ) ); // Config Bit CNF(In Register CRH) for Config Mode
while( ( ( GPIOB->CRH & ( 3 << ( ( PIN - 8 ) * 4) ) ) != ( Config_IO << ( ( PIN - 8 ) * 4) ) ) || ( ( GPIOB->CRH & ( 3 << ( ( ( PIN - 8 ) * 4) + 2 ) ) ) != ( Mode << ( ( ( PIN - 8 ) * 4) + 2 ) ) ) ); // wait set Bits Mode And CNF(In Register CRH)
}
else{
while(1);
};
break;
case 3: //PORT is C
while( ( (Config_IO < 0) || (Config_IO > 3) ) || ( (Mode <0) || (Mode > 3) ) ); // check Config_IO And Mode Not INvalid
if( (PIN >= 0) && (PIN <= 7) ){ // Number Pin Between 0 And 7
GPIOC->CRL &= ~( 3 << (PIN * 4) ); // Config Bit Mode(In Register CRL) == 0
GPIOC->CRL &= ~( 3 << ( ( PIN * 4) + 2 ) ); // Config Bit CNF(In Register CRL) for Config Mode == 0
GPIOC->CRL |= ( Config_IO << (PIN * 4) ); // Config Bit Mode(In Register CRL)
GPIOC->CRL |= ( Mode << ( ( PIN * 4) + 2 ) ); // Config Bit CNF(In Register CRL) for Config Mode
while( ( ( GPIOC->CRL & ( 3 << (PIN * 4) ) ) != ( Config_IO << (PIN * 4) ) ) || ( ( GPIOC->CRL & ( 3 << ( ( PIN * 4) + 2 ) ) ) != ( Mode << ( ( PIN * 4) + 2 ) ) ) ); // wait set Bits Mode And CNF(In Register CRL)
}
else if( (PIN >= 8) && (PIN <= 15) ){ // Number Pin Between 8 And 15
GPIOC->CRH &= ~( 3 << ( ( PIN - 8 ) * 4) ); // Config Bit Mode(In Register CRH) == 0
GPIOC->CRH &= ~( 3 << ( ( ( PIN - 8 ) * 4) + 2 ) ); // Config Bit CNF(In Register CRH) for Config Mode == 0
GPIOC->CRH |= ( Config_IO << ( (PIN - 8) * 4) ); // Config Bit Mode(Input or Output)(In Register CRH)
GPIOC->CRH |= ( Mode << ( ( ( PIN - 8 ) * 4) + 2 ) ); // Config Bit CNF(In Register CRH) for Config Mode
while( ( ( GPIOC->CRH & ( 3 << ( ( PIN - 8 ) * 4) ) ) != ( Config_IO << ( ( PIN - 8 ) * 4) ) ) || ( ( GPIOC->CRH & ( 3 << ( ( ( PIN - 8 ) * 4) + 2 ) ) ) != ( Mode << ( ( ( PIN - 8 ) * 4) + 2 ) ) ) ); // wait set Bits Mode And CNF(In Register CRH)
}
else{
while(1);
};
break;
case 4: //PORT is D
while( ( (Config_IO < 0) || (Config_IO > 3) ) || ( (Mode <0) || (Mode > 3) ) ); // check Config_IO And Mode Not INvalid
if( (PIN >= 0) && (PIN <= 7) ){ // Number Pin Between 0 And 7
GPIOD->CRL &= ~( 3 << (PIN * 4) ); // Config Bit Mode(In Register CRL) == 0
GPIOD->CRL &= ~( 3 << ( ( PIN * 4) + 2 ) ); // Config Bit CNF(In Register CRL) for Config Mode == 0
GPIOD->CRL |= ( Config_IO << (PIN * 4) ); // Config Bit Mode(In Register CRL)
GPIOD->CRL |= ( Mode << ( ( PIN * 4) + 2 ) ); // Config Bit CNF(In Register CRL) for Config Mode
while( ( ( GPIOD->CRL & ( 3 << (PIN * 4) ) ) != ( Config_IO << (PIN * 4) ) ) || ( ( GPIOD->CRL & ( 3 << ( ( PIN * 4) + 2 ) ) ) != ( Mode << ( ( PIN * 4) + 2 ) ) ) ); // wait set Bits Mode And CNF(In Register CRL)
}
else if( (PIN >= 8) && (PIN <= 15) ){ // Number Pin Between 8 And 15
GPIOD->CRH &= ~( 3 << ( ( PIN - 8 ) * 4) ); // Config Bit Mode(In Register CRH) == 0
GPIOD->CRH &= ~( 3 << ( ( ( PIN - 8 ) * 4) + 2 ) ); // Config Bit CNF(In Register CRH) for Config Mode == 0
GPIOD->CRH |= ( Config_IO << ( (PIN - 8) * 4) ); // Config Bit Mode(In Register CRH)
GPIOD->CRH |= ( Mode << ( ( ( PIN - 8 ) * 4) + 2 ) ); // Config Bit CNF(In Register CRH) for Config Mode
while( ( ( GPIOD->CRH & ( 3 << ( ( PIN - 8 ) * 4) ) ) != ( Config_IO << ( ( PIN - 8 ) * 4) ) ) || ( ( GPIOD->CRH & ( 3 << ( ( ( PIN - 8 ) * 4) + 2 ) ) ) != ( Mode << ( ( ( PIN - 8 ) * 4) + 2 ) ) ) ); // wait set Bits Mode And CNF(In Register CRH)
}
else{
while(1);
};
break;
case 5: //PORT is E
while( ( (Config_IO < 0) || (Config_IO > 3) ) || ( (Mode <0) || (Mode > 3) ) ); // check Config_IO And Mode Not INvalid
if( (PIN >= 0) && (PIN <= 7) ){ // Number Pin Between 0 And 7
GPIOE->CRL &= ~( 3 << (PIN * 4) ); // Config Bit Mode(In Register CRL) == 0
GPIOE->CRL &= ~( 3 << ( ( PIN * 4) + 2 ) ); // Config Bit CNF(In Register CRL) for Config Mode == 0
GPIOE->CRL |= ( Config_IO << (PIN * 4) ); // Config Bit Mode(In Register CRL)
GPIOE->CRL |= ( Mode << ( ( PIN * 4) + 2 ) ); // Config Bit CNF(In Register CRL) for Config Mode
while( ( ( GPIOE->CRL & ( 3 << (PIN * 4) ) ) != ( Config_IO << (PIN * 4) ) ) || ( ( GPIOE->CRL & ( 3 << ( ( PIN * 4) + 2 ) ) ) != ( Mode << ( ( PIN * 4) + 2 ) ) ) ); // wait set Bits Mode And CNF(In Register CRL)
}
else if( (PIN >= 8) && (PIN <= 15) ){ // Number Pin Between 8 And 15
GPIOE->CRH &= ~( 3 << ( ( PIN - 8 ) * 4) ); // Config Bit Mode(In Register CRH) == 0
GPIOE->CRH &= ~( 3 << ( ( ( PIN - 8 ) * 4) + 2 ) ); // Config Bit CNF(In Register CRH) for Config Mode == 0
GPIOE->CRH |= ( Config_IO << ( (PIN - 8) * 4) ); // Config Bit Mode(In Register CRH)
GPIOE->CRH |= ( Mode << ( ( ( PIN - 8 ) * 4) + 2 ) ); // Config Bit CNF(In Register CRH) for Config Mode while( ( ( GPIOB->CRH & ( 3 << ( ( PIN - 8 ) * 4) ) ) != ( Config_IO << (PIN * 4) ) ) && ( ( GPIOB->CRH & ( 3 << ( ( PIN * 4) + 2 ) ) ) != ( Mode << ( ( ( PIN - 8 ) * 4) + 2 ) ) ) ); // wait set Bits Mode And CNF(In Register CRLH)
while( ( ( GPIOE->CRH & ( 3 << ( ( PIN - 8 ) * 4) ) ) != ( Config_IO << ( ( PIN - 8 ) * 4) ) ) || ( ( GPIOE->CRH & ( 3 << ( ( ( PIN - 8 ) * 4) + 2 ) ) ) != ( Mode << ( ( ( PIN - 8 ) * 4) + 2 ) ) ) ); // wait set Bits Mode And CNF(In Register CRH)
}
else{
while(1);
};
break;
default: while(1);
}
};
/*********** Functions Set Pins ******************/
void Set_PINA(char PIN){
GPIOA->BSRR |= 1 << PIN; // Set PIN
while( ( (GPIOA->ODR) & ( 1 << PIN) ) != ( 1 << PIN ) ); // wait set PIN = 1
};
void Set_PINB(char PIN){
GPIOB->BSRR |= 1 << PIN; //set PIN
//while( ( (GPIOB->ODR) & ( 1 << PIN) ) != ( 1 << PIN ) ); // wait set PIN = 1
};
void Set_PINC(char PIN){
GPIOC->BSRR |= 1 << PIN; //set PIN
while( ( (GPIOC->ODR) & ( 1 << PIN) ) != ( 1 << PIN ) ); // wait set PIN = 1
};
void Set_PIND(char PIN){
GPIOD->BSRR |= 1 << PIN; //set PIN
while( ( (GPIOD->ODR) & ( 1 << PIN) ) != ( 1 << PIN ) ); // wait set PIN = 1
};
void Set_PINE(char PIN){
GPIOE->BSRR |= 1 << PIN; //set PIN
while( ( (GPIOE->ODR) & ( 1 << PIN) ) != ( 1 << PIN ) ); // wait set PIN = 1
};
void Set_PIN(char PORT,char PIN){
if(PORT == PORTA){
GPIOA->BSRR |= 1 << PIN; // Set PIN
while( ( (GPIOA->ODR) & ( 1 << PIN) ) != ( 1 << PIN ) ); // wait set PIN = 1
}
if(PORT == PORTB){
GPIOB->BSRR |= 1 << PIN; // Set PIN
while( ( (GPIOB->ODR) & ( 1 << PIN) ) != ( 1 << PIN ) ); // wait set PIN = 1
}
if(PORT == PORTC){
GPIOC->BSRR |= 1 << PIN; // Set PIN
while( ( (GPIOC->ODR) & ( 1 << PIN) ) != ( 1 << PIN ) ); // wait set PIN = 1
}
if(PORT == PORTD){
GPIOD->BSRR |= 1 << PIN; // Set PIN
while( ( (GPIOD->ODR) & ( 1 << PIN) ) != ( 1 << PIN ) ); // wait set PIN = 1
}
if(PORT == PORTE){
GPIOE->BSRR |= 1 << PIN; // Set PIN
while( ( (GPIOE->ODR) & ( 1 << PIN) ) != ( 1 << PIN ) ); // wait set PIN = 1
}
};
/************ Functions Reset PIN ************/
void Reset_PINA(char PIN){
GPIOA->BRR |= 1 << PIN;
while( ( ( GPIOA->ODR) & ( 1 << PIN) ) == ( 1 << PIN ) );
};
void Reset_PINB(char PIN){
GPIOB->BRR |= 1 << PIN;
while( ( ( GPIOB->ODR) & ( 1 << PIN) ) == ( 1 << PIN ) );
};
void Reset_PINC(char PIN){
GPIOC->BRR |= 1 << PIN;
while( ( ( GPIOC->ODR) & ( 1 << PIN) ) == ( 1 << PIN ) );
};
void Reset_PIND(char PIN){
GPIOD->BRR |= 1 << PIN;
while( ( ( GPIOD->ODR) & ( 1 << PIN) ) == ( 1 << PIN ) );
};
void Reset_PINE(char PIN){
GPIOE->BRR |= 1 << PIN;
while( ( (GPIOE->ODR) & ( 1 << PIN) ) == ( 1 << PIN ) );
};
void Reset_PIN(char PORT,char PIN){
if(PORT == PORTA){
GPIOA->BRR |= 1 << PIN; // set pin
while( ( (GPIOA->ODR) & ( 1 << PIN) ) == ( 1 << PIN ) ); // wait set pin
}
else if(PORT == PORTB){
GPIOB->BRR |= 1 << PIN; // set pin
while( ( (GPIOB->ODR) & ( 1 << PIN) ) == ( 1 << PIN ) ); // wait set pin
}
else if(PORT == PORTC){
GPIOC->BRR |= 1 << PIN; // set pin
while( ( (GPIOC->ODR) & ( 1 << PIN) ) == ( 1 << PIN ) ); // wait set pin
}
else if(PORT == PORTD){
GPIOD->BRR |= 1 << PIN; // set pin
while( ( (GPIOD->ODR) & ( 1 << PIN) ) == ( 1 << PIN ) ); // wait set pin
}
else if(PORT == PORTE){
GPIOE->BRR |= 1 << PIN; // set pin
while( ( (GPIOE->ODR) & ( 1 << PIN) ) == ( 1 << PIN ) ); // wait set pin
}
};
#ifndef _LCD_H
#define _LCD_H
#include "stm32f4xx_hal.h"
#define T 1
#define D0_PIN_NUMBER 7
#define DATA_PORT GPIOE
#define CTRL_PORT GPIOA
#define RS_PIN_NUMBER 1
#define RW_PIN_NUMBER 2
#define E_PIN_NUMBER 3
void lcd_init(void);
void lcd_clear(void);
void lcd_gotoxy(unsigned char x, unsigned char y);
void lcd_puts(char *str);
#endif
#include "lcd.h"
void send_command(unsigned char data)
{
HAL_Delay(T);
HAL_GPIO_WritePin(CTRL_PORT,(1<<RS_PIN_NUMBER),GPIO_PIN_RESET);
HAL_GPIO_WritePin(CTRL_PORT,(1<<RW_PIN_NUMBER),GPIO_PIN_RESET);
HAL_GPIO_WritePin(DATA_PORT,(0xFF<<D0_PIN_NUMBER),GPIO_PIN_RESET);
HAL_GPIO_WritePin(DATA_PORT,(data<<D0_PIN_NUMBER),GPIO_PIN_SET);
HAL_GPIO_WritePin(CTRL_PORT,(1<<E_PIN_NUMBER),GPIO_PIN_SET);
HAL_GPIO_WritePin(CTRL_PORT,(1<<E_PIN_NUMBER),GPIO_PIN_RESET);
}
void lcd_putchar(unsigned char data)
{
HAL_Delay(T);
HAL_GPIO_WritePin(CTRL_PORT,(1<<RS_PIN_NUMBER),GPIO_PIN_SET);
HAL_GPIO_WritePin(CTRL_PORT,(1<<RW_PIN_NUMBER),GPIO_PIN_RESET);
HAL_GPIO_WritePin(DATA_PORT,(0xFF<<D0_PIN_NUMBER),GPIO_PIN_RESET);
HAL_GPIO_WritePin(DATA_PORT,(data<<D0_PIN_NUMBER),GPIO_PIN_SET);
HAL_GPIO_WritePin(CTRL_PORT,(1<<E_PIN_NUMBER),GPIO_PIN_SET);
HAL_GPIO_WritePin(CTRL_PORT,(1<<E_PIN_NUMBER),GPIO_PIN_RESET);
}
void lcd_init(void)
{
HAL_Delay(T);
send_command(0x38);
send_command(0x06);
send_command(0x0c);
}
void lcd_puts(char *str)
{
HAL_Delay(T);
while(*str != 0)
{
lcd_putchar(*str);
str++;
}
}
void lcd_gotoxy(unsigned char x, unsigned char y)
{
HAL_Delay(T);
switch(y){
case 0:
send_command( 0x80 + x );
break;
case 1:
send_command( 0xC0 + x );
break;
case 2:
send_command( 0x94 + x );
break;
case 3:
send_command( 0xD4 + x );
}
}
void lcd_clear(void)
{
HAL_Delay(T);
send_command(0x01);
send_command(0x02);
}
[LEFT]#define RS_ENable HAL_GPIO_WritePin(GPIOA,RS_Pin,GPIO_PIN_SET);
#define RS_DISable HAL_GPIO_WritePin(GPIOA,RS_Pin,GPIO_PIN_RESET);
#define RW_ENable HAL_GPIO_WritePin(GPIOB,RW_Pin,GPIO_PIN_SET);
#define RW_DISable HAL_GPIO_WritePin(GPIOB,RW_Pin,GPIO_PIN_RESET);
#define EN_ENable HAL_GPIO_WritePin(GPIOB,EN_Pin,GPIO_PIN_SET);
#define EN_DISable HAL_GPIO_WritePin(GPIOB,EN_Pin,GPIO_PIN_RESET);
#define DATA_SHIFT 0x06
#define DATA_LINE GPIOB
#define LCD_8Bit_Function 0x38
#define LCD_home 0x02
#define LCD_Clear 0x01
#define LCD_EnteryMode 0x07
#define LCD_ON 0x0f
#define LCD_OFF 0x08
#define LCD_Cursor_Right 0x14
#define LCD_Cursor_Left 0x10
#define LCD_CGRAM 0x40
#define LCD_DRAM 0x80
#define LCD_Line2 0x40
void Init_Lcd (void);
void Init_Lcd (void)
{
HAL_Delay(500);
unsigned int temp=0;
temp=(LCD_8Bit_Function<<DATA_SHIFT);
DATA_LINE->ODR=temp;
EN_ENable;
HAL_Delay(1);
EN_DISable;
HAL_Delay(4);
EN_ENable;
HAL_Delay(1);
EN_DISable;
HAL_Delay(1);
EN_ENable;
HAL_Delay(1);
EN_DISable;
HAL_Delay(1);
EN_ENable;
HAL_Delay(1);
EN_DISable;
HAL_Delay(1); // Last Used Function SET 8BIT
temp=0;
temp=(LCD_OFF<<DATA_SHIFT);
DATA_LINE->ODR=temp;
EN_ENable;
HAL_Delay(1);
EN_DISable;
HAL_Delay(1);
temp=0;
temp=(LCD_Clear<<DATA_SHIFT);
DATA_LINE->ODR=temp;
EN_ENable;
HAL_Delay(1);
EN_DISable;
HAL_Delay(1);
temp=0;
temp=(LCD_EnteryMode<<DATA_SHIFT);
DATA_LINE->ODR=temp;
EN_ENable;
HAL_Delay(1);
EN_DISable;
HAL_Delay(1);
temp=0;
temp=(LCD_ON<<DATA_SHIFT);
DATA_LINE->ODR=temp;
EN_ENable;
HAL_Delay(1);
EN_DISable;
HAL_Delay(1);
[/LEFT]
}
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