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Sonsivri > Electronics > AVR, 8051 Family and ARM Area (Moderator: bbarney) > KS0108 Base Library for STM32F4 series
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Author Topic: KS0108 Base Library for STM32F4 series  (Read 9023 times)
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Cynetron
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« on: January 07, 2012, 03:57:48 15:57 »
I'm working on STM32F4 and needed GLCD Library but i couldn't find and wrote one
i try to write adaptable with other tools and system integrations, so you can develop as your wishes
Note: try to use systick for timing, so you can configure easy, thats why i put delay routines seperate
so enjoy...

ks0108.c
Code:
/*
		128x64 KS0108 LCD Driver for STM32F4
*/
#include "ks0108.h"
#include "font.h"
#include "delay.h"

/* Global Variables */
volatile unsigned char x_ks0108, y_ks0108;

/* Functions */

void strobe_ks0108(void){
	delay_us(1);							/* Delay 1us */
	KS0108_EN	= 1;						/* Strobe */
	delay_us(1);							/* Delay 1us */
	KS0108_EN	= 0;						/* Strobe */
	delay_us(1);							/* Delay 1us */
}

void wait_busy_ks0108(void){
	KS0108_PORT_DIR(KS0108_PORT_INPUT);		/* Change Port Direction */
	KS0108_DI	= 0;						/* Instruction Mode */
	KS0108_RW	= 1;						/* Read Mode */
	strobe_ks0108();						/* LCD Strobe */
	while((KS0108_DATA&0x7F)==0x80);		/* Chek Busy Flag */
	KS0108_RW	= 0;						/* Write Mode */
	KS0108_PORT_DIR(KS0108_PORT_OUTPUT); 	/* Change Port Direction */
}

void putcmd_ks0108(char ins){
	wait_busy_ks0108();						/* Wait Until LCD not Busy */
	KS0108_DI	= 0;						/* Instruction Mode */
	KS0108_LDATA(ins);						/* Load Instruction to Port */
	strobe_ks0108();						/* LCD Strobe */
}

unsigned char getd_ks0108(void){
	char data;
	KS0108_PORT_DIR(KS0108_PORT_INPUT);		/* Set Port Direction */
	KS0108_DI	= 1;						/* Data Mode */
	KS0108_RW	= 1;						/* Read Mode */
	strobe_ks0108();						/* LCD Strobe */
	data = KS0108_DATA;						/* Read LCD Data */
	KS0108_RW	= 0;						/* Write Mode */
	KS0108_PORT_DIR(KS0108_PORT_OUTPUT);	/* Set Port Direction */
	return data;	
}

void putd_ks0108(unsigned char data){
	if(x_ks0108==0){
		KS0108_L();							/* Select Chip */
		putcmd_ks0108(KS0108_Y_ADRESS|(y_ks0108/8));
		putcmd_ks0108(KS0108_X_ADRESS);
	}else if(x_ks0108==64){
		KS0108_R();							/* Select Chip */
		putcmd_ks0108(KS0108_Y_ADRESS|(y_ks0108/8));
		putcmd_ks0108(KS0108_X_ADRESS);
	}
	wait_busy_ks0108();						/* Wait Until LCD not Busy */
	KS0108_DI	= 1;						/* Data Mode */
	KS0108_LDATA(data);						/* Load Data to Port */
	strobe_ks0108();						/* LCD Strobe */
	x_ks0108++;
	if(x_ks0108>127){x_ks0108=0;y_ks0108+=8;}
	if(y_ks0108>63){y_ks0108=0;}
}

void cls_ks0108(void){
	unsigned int i;
	x_ks0108 = 0;y_ks0108 = 0;
	for(i=0;i<1024;i++)putd_ks0108(0x00);
	x_ks0108 = 0;y_ks0108 = 0;
}

void init_ks0108(void){

	KS0108_RST_DIR(KS0108_PIN_OUTPUT);
	KS0108_RW_DIR(KS0108_PIN_OUTPUT);
	KS0108_DI_DIR(KS0108_PIN_OUTPUT);
	KS0108_EN_DIR(KS0108_PIN_OUTPUT);
	KS0108_CS1_DIR(KS0108_PIN_OUTPUT);
	KS0108_CS2_DIR(KS0108_PIN_OUTPUT);
	KS0108_PORT_DIR(KS0108_PORT_OUTPUT);	/* Set Port Direction */
	
	KS0108_DI	= 0;						/* Instruction Mode */
	KS0108_RW	= 0;						/* Write Mode */
	KS0108_N();								/* Deselect Chips */
	KS0108_LDATA(0x00);						/* Load Data to Port */
	KS0108_EN	= 0;
	
	KS0108_RST	= 0;
	delay_ms(2);							/* Delay 2ms */
	KS0108_RST	= 1;
	delay_ms(1);							/* Delay 1ms */
	
	KS0108_L();								/* Select Chip */
	putcmd_ks0108(KS0108_DISPLAY_OFF);
	putcmd_ks0108(KS0108_START_LINE);
	putcmd_ks0108(KS0108_X_ADRESS);
	putcmd_ks0108(KS0108_Y_ADRESS);
	putcmd_ks0108(KS0108_DISPLAY_ON);
	
	KS0108_R();								/* Select Chip */
	putcmd_ks0108(KS0108_DISPLAY_OFF);
	putcmd_ks0108(KS0108_START_LINE);
	putcmd_ks0108(KS0108_X_ADRESS);
	putcmd_ks0108(KS0108_Y_ADRESS);
	putcmd_ks0108(KS0108_DISPLAY_ON);
	
	cls_ks0108();
}

void gotoxy_ks0108(unsigned char x, unsigned char y){
	x_ks0108 = x;
	y_ks0108 = y;
	if(x_ks0108<64){
		KS0108_L();							/* Select Chip */
		putcmd_ks0108(KS0108_Y_ADRESS|(y_ks0108/8));
		putcmd_ks0108(KS0108_X_ADRESS|x_ks0108);
	}else{
		KS0108_R();							/* Select Chip */
		putcmd_ks0108(KS0108_Y_ADRESS|(y_ks0108/8));
		putcmd_ks0108(KS0108_X_ADRESS|(x_ks0108-64));
	}
}

void putc_ks0108(unsigned char c){
	int i;
	switch(c){
		case '\f':cls_ks0108();break;
		case '\n':gotoxy_ks0108(0,y_ks0108+8);break;
		case '\r':gotoxy_ks0108(0,y_ks0108);break;
		default:if(x_ks0108>122)gotoxy_ks0108(0,y_ks0108+8);
				for(i = 0; i < 5; i++)putd_ks0108(Font[(((c-0x20)*5) + i)]);
				putd_ks0108(0x00);
				break;
	}
	
}

void puts_ks0108(unsigned char *s){
	do{
		putc_ks0108(*s);
	}while(*++s);
}

ks0108.h
Code:
/*
		128x64 KS0108 LCD Driver for STM32F4
*/

#include <stm32f4xx.h>

/* LCD Connection Descriptions */
#define KS0108_RST_PIN	0
#define KS0108_RST_PORT	GPIOB_BASE

#define KS0108_RW_PIN	1
#define KS0108_RW_PORT	GPIOB_BASE

#define KS0108_DI_PIN	2
#define KS0108_DI_PORT	GPIOB_BASE

#define KS0108_EN_PIN	11
#define KS0108_EN_PORT	GPIOB_BASE

#define KS0108_CS1_PIN	4
#define KS0108_CS1_PORT	GPIOC_BASE

#define KS0108_CS2_PIN	5
#define KS0108_CS2_PORT	GPIOC_BASE

#define KS0108_DT_PIN	8
#define KS0108_DT_PORT	GPIOE_BASE

/* LCD Definitions */
#define KS0108_Y_ADRESS		0xB8	/* Swapped with X address for real coordinate system */
#define KS0108_X_ADRESS		0x40	/* Swapped with Y address for real coordinate system */
#define KS0108_START_LINE	0xC0
#define KS0108_DISPLAY_ON	0x3F
#define KS0108_DISPLAY_OFF	0x3E

/* Port Definitions */
#define KS0108_PIN_INPUT	0x00
#define KS0108_PIN_OUTPUT	0x01
#define KS0108_PORT_INPUT	0x00000000
#define KS0108_PORT_OUTPUT	0x00005555

#define KS0108_RST	(*(volatile unsigned short*)( 0x42000000U | ((KS0108_RST_PORT+0x14) << 5) | ((KS0108_RST_PIN << 2))))	/* ODR */
#define KS0108_RW	(*(volatile unsigned short*)( 0x42000000U | ((KS0108_RW_PORT+0x14) << 5) | ((KS0108_RW_PIN << 2))))		/* ODR */
#define KS0108_DI	(*(volatile unsigned short*)( 0x42000000U | ((KS0108_DI_PORT+0x14) << 5) | ((KS0108_DI_PIN << 2))))		/* ODR */
#define KS0108_EN	(*(volatile unsigned short*)( 0x42000000U | ((KS0108_EN_PORT+0x14) << 5) | ((KS0108_EN_PIN << 2))))		/* ODR */
#define KS0108_CS1	(*(volatile unsigned short*)( 0x42000000U | ((KS0108_CS1_PORT+0x14) << 5) | ((KS0108_CS1_PIN << 2))))	/* ODR */
#define KS0108_CS2	(*(volatile unsigned short*)( 0x42000000U | ((KS0108_CS2_PORT+0x14) << 5) | ((KS0108_CS2_PIN << 2))))	/* ODR */

#define KS0108_RST_DIR(x)	((*(volatile unsigned int*)KS0108_RST_PORT)=((*(volatile unsigned int*)KS0108_RST_PORT)&~(0x03U<<(KS0108_RST_PIN*2)))|(x<<(KS0108_RST_PIN*2)))	/* MODER */
#define KS0108_RW_DIR(x)	((*(volatile unsigned int*)KS0108_RW_PORT)=((*(volatile unsigned int*)KS0108_RW_PORT)&~(0x03U<<(KS0108_RW_PIN*2)))|(x<<(KS0108_RW_PIN*2)))		/* MODER */
#define KS0108_DI_DIR(x)	((*(volatile unsigned int*)KS0108_DI_PORT)=((*(volatile unsigned int*)KS0108_DI_PORT)&~(0x03U<<(KS0108_DI_PIN*2)))|(x<<(KS0108_DI_PIN*2)))		/* MODER */
#define KS0108_EN_DIR(x)	((*(volatile unsigned int*)KS0108_EN_PORT)=((*(volatile unsigned int*)KS0108_EN_PORT)&~(0x03U<<(KS0108_EN_PIN*2)))|(x<<(KS0108_EN_PIN*2)))		/* MODER */
#define KS0108_CS1_DIR(x)	((*(volatile unsigned int*)KS0108_CS1_PORT)=((*(volatile unsigned int*)KS0108_CS1_PORT)&~(0x03U<<(KS0108_CS1_PIN*2)))|(x<<(KS0108_CS1_PIN*2)))	/* MODER */
#define KS0108_CS2_DIR(x)	((*(volatile unsigned int*)KS0108_CS2_PORT)=((*(volatile unsigned int*)KS0108_CS2_PORT)&~(0x03U<<(KS0108_CS2_PIN*2)))|(x<<(KS0108_CS2_PIN*2)))	/* MODER */
#define KS0108_PORT_DIR(x)	((*(volatile unsigned int*)KS0108_DT_PORT)= \
							((*(volatile unsigned int*)KS0108_DT_PORT)&~(0x0000FFFFU<<(KS0108_DT_PIN*2)))|(x<<(KS0108_DT_PIN*2)))	/* MODER */
#define KS0108_L()	(KS0108_CS1=0, KS0108_CS2=1)
#define KS0108_R()	(KS0108_CS1=1, KS0108_CS2=0)
#define KS0108_N()	(KS0108_CS1=0, KS0108_CS2=0)
#define KS0108_DATA	((unsigned char)(((*((volatile unsigned short*)KS0108_DT_PORT+0x10)&(0x00FFU<<KS0108_DT_PIN)))>>KS0108_DT_PIN))	/* IDR */
#define KS0108_LDATA(x)	((*(volatile unsigned short*)(KS0108_DT_PORT+0x14)) = \
						((*(volatile unsigned short*)(KS0108_DT_PORT+0x14))&~(0x00FFU<<KS0108_DT_PIN))|(x<<KS0108_DT_PIN))	/* ODR */

/* Public Functions */
extern void init_ks0108(void);
extern void gotoxy_ks0108(unsigned char, unsigned char);
extern void putc_ks0108(unsigned char);
extern void puts_ks0108(unsigned char*);
extern void cls_ks0108(void);

font.h
Code:
static const unsigned char Font[]= {
0x00, 0x00, 0x00, 0x00, 0x00,// (space)
0x00, 0x00, 0x5F, 0x00, 0x00,// !
0x00, 0x07, 0x00, 0x07, 0x00,// "
0x14, 0x7F, 0x14, 0x7F, 0x14,// #
0x24, 0x2A, 0x7F, 0x2A, 0x12,// $
0x23, 0x13, 0x08, 0x64, 0x62,// %
0x36, 0x49, 0x55, 0x22, 0x50,// &
0x00, 0x05, 0x03, 0x00, 0x00,// '
0x00, 0x1C, 0x22, 0x41, 0x00,// (
0x00, 0x41, 0x22, 0x1C, 0x00,// )
0x08, 0x2A, 0x1C, 0x2A, 0x08,// *
0x08, 0x08, 0x3E, 0x08, 0x08,// +
0x00, 0x50, 0x30, 0x00, 0x00,// ,
0x08, 0x08, 0x08, 0x08, 0x08,// -
0x00, 0x30, 0x30, 0x00, 0x00,// .
0x20, 0x10, 0x08, 0x04, 0x02,// /
0x3E, 0x51, 0x49, 0x45, 0x3E,// 0
0x00, 0x42, 0x7F, 0x40, 0x00,// 1
0x42, 0x61, 0x51, 0x49, 0x46,// 2
0x21, 0x41, 0x45, 0x4B, 0x31,// 3
0x18, 0x14, 0x12, 0x7F, 0x10,// 4
0x27, 0x45, 0x45, 0x45, 0x39,// 5
0x3C, 0x4A, 0x49, 0x49, 0x30,// 6
0x01, 0x71, 0x09, 0x05, 0x03,// 7
0x36, 0x49, 0x49, 0x49, 0x36,// 8
0x06, 0x49, 0x49, 0x29, 0x1E,// 9
0x00, 0x36, 0x36, 0x00, 0x00,// :
0x00, 0x56, 0x36, 0x00, 0x00,// ;
0x00, 0x08, 0x14, 0x22, 0x41,// <
0x14, 0x14, 0x14, 0x14, 0x14,// =
0x41, 0x22, 0x14, 0x08, 0x00,// >
0x02, 0x01, 0x51, 0x09, 0x06,// ?
0x32, 0x49, 0x79, 0x41, 0x3E,// @
0x7E, 0x11, 0x11, 0x11, 0x7E,// A
0x7F, 0x49, 0x49, 0x49, 0x36,// B
0x3E, 0x41, 0x41, 0x41, 0x22,// C
0x7F, 0x41, 0x41, 0x22, 0x1C,// D
0x7F, 0x49, 0x49, 0x49, 0x41,// E
0x7F, 0x09, 0x09, 0x01, 0x01,// F
0x3E, 0x41, 0x41, 0x51, 0x32,// G
0x7F, 0x08, 0x08, 0x08, 0x7F,// H
0x00, 0x41, 0x7F, 0x41, 0x00,// I
0x20, 0x40, 0x41, 0x3F, 0x01,// J
0x7F, 0x08, 0x14, 0x22, 0x41,// K
0x7F, 0x40, 0x40, 0x40, 0x40,// L
0x7F, 0x02, 0x04, 0x02, 0x7F,// M
0x7F, 0x04, 0x08, 0x10, 0x7F,// N
0x3E, 0x41, 0x41, 0x41, 0x3E,// O
0x7F, 0x09, 0x09, 0x09, 0x06,// P
0x3E, 0x41, 0x51, 0x21, 0x5E,// Q
0x7F, 0x09, 0x19, 0x29, 0x46,// R
0x46, 0x49, 0x49, 0x49, 0x31,// S
0x01, 0x01, 0x7F, 0x01, 0x01,// T
0x3F, 0x40, 0x40, 0x40, 0x3F,// U
0x1F, 0x20, 0x40, 0x20, 0x1F,// V
0x7F, 0x20, 0x18, 0x20, 0x7F,// W
0x63, 0x14, 0x08, 0x14, 0x63,// X
0x03, 0x04, 0x78, 0x04, 0x03,// Y
0x61, 0x51, 0x49, 0x45, 0x43,// Z
0x00, 0x00, 0x7F, 0x41, 0x41,// [
0x02, 0x04, 0x08, 0x10, 0x20,// "\"
0x41, 0x41, 0x7F, 0x00, 0x00,// ]
0x04, 0x02, 0x01, 0x02, 0x04,// ^
0x40, 0x40, 0x40, 0x40, 0x40,// _
0x00, 0x01, 0x02, 0x04, 0x00,// `
0x20, 0x54, 0x54, 0x54, 0x78,// a
0x7F, 0x48, 0x44, 0x44, 0x38,// b
0x38, 0x44, 0x44, 0x44, 0x20,// c
0x38, 0x44, 0x44, 0x48, 0x7F,// d
0x38, 0x54, 0x54, 0x54, 0x18,// e
0x08, 0x7E, 0x09, 0x01, 0x02,// f
0x08, 0x14, 0x54, 0x54, 0x3C,// g
0x7F, 0x08, 0x04, 0x04, 0x78,// h
0x00, 0x44, 0x7D, 0x40, 0x00,// i
0x20, 0x40, 0x44, 0x3D, 0x00,// j
0x00, 0x7F, 0x10, 0x28, 0x44,// k
0x00, 0x41, 0x7F, 0x40, 0x00,// l
0x7C, 0x04, 0x18, 0x04, 0x78,// m
0x7C, 0x08, 0x04, 0x04, 0x78,// n
0x38, 0x44, 0x44, 0x44, 0x38,// o
0x7C, 0x14, 0x14, 0x14, 0x08,// p
0x08, 0x14, 0x14, 0x18, 0x7C,// q
0x7C, 0x08, 0x04, 0x04, 0x08,// r
0x48, 0x54, 0x54, 0x54, 0x20,// s
0x04, 0x3F, 0x44, 0x40, 0x20,// t
0x3C, 0x40, 0x40, 0x20, 0x7C,// u
0x1C, 0x20, 0x40, 0x20, 0x1C,// v
0x3C, 0x40, 0x30, 0x40, 0x3C,// w
0x44, 0x28, 0x10, 0x28, 0x44,// x
0x0C, 0x50, 0x50, 0x50, 0x3C,// y
0x44, 0x64, 0x54, 0x4C, 0x44,// z
0x00, 0x08, 0x36, 0x41, 0x00,// {
0x00, 0x00, 0x7F, 0x00, 0x00,// |
0x00, 0x41, 0x36, 0x08, 0x00,// }
0x08, 0x08, 0x2A, 0x1C, 0x08,// ->
0x08, 0x1C, 0x2A, 0x08, 0x08 // <-
};

delay.c
Code:
#include "delay.h"

void delay_ns(unsigned int d){	/* Not exact value, for 168 MHz @ Level3 Opt */
	unsigned int i;
	i=d/25;while(i)i--;
}

void delay_us(unsigned int d){	/* for 168 MHz @ Level3 Opt */
	unsigned int i,j;
	i=d;while(i){i--;j=55;while(j)j--;}
}

void delay_ms(unsigned int d){	/* for 168 MHz @ Level3 Opt */
	unsigned int i;
	i=d;while(i){i--;delay_us(998);}
}

delay.h
Code:
#include <stm32f4xx.h>

extern void delay_ns(unsigned int);
extern void delay_us(unsigned int);
extern void delay_ms(unsigned int);
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