Nokia LCD 5110 移植（基于MSP430F5529）
2016-09-11 19:08
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今天也没什么想说的，因为某些事情忙的不行不行的。就偷个懒贴上自己移植的代码吧，希望能帮到初学者们。
头文件nokia_5110.h
函数nokia_5110.c
英文字库english_6x8_pixel.h
中文的字库就自行用取模软件取吧。初始化到write_chinese_string_pixel.h里面就行。
头文件nokia_5110.h
#ifndef __nokia_5110_h_ #define __nokia_5110_h_ #include <msp430.h> #define LCD_5110_DIR P3DIR #define LCD_5110_OUT P3OUT #define LCD_RST 2 #define LCD_CE 3 #define LCD_DC 4 #define LCD_DIN 5 #define LCD_CLK 6 //extern void LCD_PORT_INIT(void); extern void LCD_init(void); extern void LCD_clear(void); extern void LCD_write_english_string(unsigned char X,unsigned char Y,char *s); extern void LCD_write_chinese_string(unsigned char X, unsigned char Y, unsigned char ch_with,unsigned char num, unsigned char line,unsigned char row); extern void LCD_write_char(unsigned char c); extern void LCD_write_byte(unsigned char dat, unsigned char dc); extern void LCD_ShowChar(unsigned char X,unsigned char Y,unsigned char c); extern unsigned int LCD_mypow(unsigned char m,unsigned char n); extern void LCD_ShowNum(unsigned char x,unsigned char y,unsigned int num,unsigned char len); extern void LCD_ShowFloat(unsigned char x, unsigned char y,float num,unsigned int n1,unsigned int n2); extern void LCD_ShowString(unsigned char X,unsigned char Y,char *s); #endif
函数nokia_5110.c
#include "nokia_5110.h"
#include "english_6x8_pixel.h"
#include "write_chinese_string_pixel.h"
/*-----------------------------------------------------------------------
LCD_init : 5110LCD初始化
-----------------------------------------------------------------------*/
void delay_1us(void) //1us延时函数
{
unsigned int i;
for(i=0;i<100;i++);
}
void delay_1ms(void) //1ms延时函数
{
unsigned int i;
for (i=0;i<1140;i++);
}
void delay_nms(unsigned int n) //N ms延时函数
{
unsigned int i=0;
for (i=0;i<n;i++)
delay_1ms();
}
void LCD_init(void)
{
// 产生一个让LCD复位的低电平脉冲
// LCD_RST = 0;
LCD_5110_DIR |= (0x01 << LCD_RST) + (0x01 << LCD_CE) + (0x01 << LCD_DC)
+ (0x01 << LCD_DIN) + (0x01<< LCD_CLK);
LCD_5110_OUT &= ~(0x01 << LCD_RST);
delay_1us();
// LCD_RST = 1;
LCD_5110_OUT |= (0x01 << LCD_RST);
// 关闭LCD
//LCD_CE = 0;
LCD_5110_OUT &= ~(0x01 << LCD_CE);
delay_1us();
// 使能LCD
//LCD_CE = 1;
LCD_5110_OUT |= (0x01 << LCD_CE);
delay_1us();
LCD_write_byte(0x21, 0); // 使用扩展命令设置LCD模式
LCD_write_byte(0xc8, 0); // 设置偏置电压
LCD_write_byte(0x06, 0); // 温度校正
LCD_write_byte(0x13, 0); // 1:48
LCD_write_byte(0x20, 0); // 使用基本命令
LCD_clear(); // 清屏
LCD_write_byte(0x0c, 0); // 设定显示模式，正常显示
// 关闭LCD
LCD_5110_OUT &= ~(0x01 << LCD_CE);
}
/*-----------------------------------------------------------------------
LCD_clear : LCD清屏函数
-----------------------------------------------------------------------*/
void LCD_clear(void)
{
unsigned int i;
LCD_write_byte(0x0c, 0);
LCD_write_byte(0x80, 0);
for (i=0; i<504; i++)
LCD_write_byte(0, 1);
}
/*-----------------------------------------------------------------------
LCD_set_XY : 设置LCD坐标函数
输入参数：X ：0－83
Y ：0－5
-----------------------------------------------------------------------*/
void LCD_set_XY(unsigned char X, unsigned char Y)
{
LCD_write_byte(0x40 | Y, 0); // column
LCD_write_byte(0x80 | X, 0); // row
}
/*-----------------------------------------------------------------------
LCD_write_char : 显示英文字符
输入参数：c ：显示的字符；
-----------------------------------------------------------------------*/
void LCD_write_char(unsigned char c)
{
unsigned char line;
c -= 32;
for (line=0; line<6; line++)
LCD_write_byte(font6x8[c][line], 1);
}
/*-----------------------------------------------------------------------
LCD_write_english_String : 英文字符串显示函数
输入参数：*s ：英文字符串指针；
X、Y : 显示字符串的位置,x 0-83 ,y 0-5
-----------------------------------------------------------------------*/
void LCD_write_english_string(unsigned char X,unsigned char Y,char *s)
{
LCD_set_XY(X,Y);
while (*s)
{
LCD_write_char(*s);
s++;
}
}
/*-----------------------------------------------------------------------
LCD_write_chinese_string: 在LCD上显示汉字
输入参数：X、Y ：显示汉字的起始X、Y坐标；
ch_with ：汉字点阵的宽度
num ：显示汉字的个数；
line ：汉字点阵数组中的起始行数
row ：汉字显示的行间距
测试：
LCD_write_chi(0,0,12,7,0,0);
LCD_write_chi(0,2,12,7,0,0);
LCD_write_chi(0,4,12,7,0,0);
-----------------------------------------------------------------------*/
void LCD_write_chinese_string(unsigned char X, unsigned char Y,
unsigned char ch_with,unsigned char num,
unsigned char line,unsigned char row)
{
unsigned char i,n;
LCD_set_XY(X,Y); //设置初始位置
for (i=0;i<num;)
{
for (n=0; n<ch_with*2; n++) //写一个汉字
{
if (n==ch_with) //写汉字的下半部分
{
if (i==0) LCD_set_XY(X,Y+1);
else
LCD_set_XY((X+(ch_with+row)*i),Y+1);
}
LCD_write_byte(write_chinese[line+i]
,1);
}
i++;
LCD_set_XY((X+(ch_with+row)*i),Y);
}
}
/*-----------------------------------------------------------------------
LCD_write_byte : 使用SPI接口写数据到LCD
输入参数：data ：写入的数据；
command ：写数据/命令选择；
-----------------------------------------------------------------------*/
void LCD_write_byte(unsigned char dat, unsigned char command)
{
unsigned char i;
LCD_5110_OUT &= ~(0x01 << LCD_CE); // msp430
if (command == 0)
// PORTB &= ~LCD_DC ; // 传送命令
// LCD_DC = 0;
LCD_5110_OUT &= ~(0x01 << LCD_DC);
else
// PORTB |= LCD_DC ; // 传送数据
// LCD_DC = 1;
LCD_5110_OUT |= (0x01 << LCD_DC);
for(i=0;i<8;i++)
{
if(dat&0x80)
//SDIN = 1;
LCD_5110_OUT |= (0x01 << LCD_DIN);
else
//SDIN = 0;
LCD_5110_OUT &= ~(0x01 << LCD_DIN);
//SCLK = 0;
LCD_5110_OUT &= ~(0x01 << LCD_CLK);
dat = dat << 1;
//SCLK = 1;
LCD_5110_OUT |= (0x01 << LCD_CLK);
}
// SPDR = data; // 传送数据到SPI寄存器
//while ((SPSR & 0x80) == 0); // 等待数据传送完毕
//PORTB |= LCD_CE ; // 关闭LCD
// LCD_CE = 1;
LCD_5110_OUT |= (0x01 << LCD_CE);
}
/*************************************MY PRO***********************************************/
/*
* 指定位置显示字符
* 输入参数： X 列位置
* Y 行位置
* c 显示的字符
*/
void LCD_ShowChar(unsigned char X,unsigned char Y,unsigned char c)
{
LCD_set_XY(X,Y);
LCD_write_char(c);
}
//m^n函数
unsigned int LCD_mypow(unsigned char m,unsigned char n)
{
unsigned int result=1;
while(n--)result*=m;
return result;
}
//显示一个数
//x,y :起点坐标
//len :数字的位数
//num:数值(0~4294967295);
void LCD_ShowNum(unsigned char x,unsigned char y,unsigned int num,unsigned char len)
{
unsigned char t,temp;
unsigned char enshow=0;
for(t=0;t<len;t++)
{
temp=(num/LCD_mypow(10,len-t-1))%10;
if(enshow==0&&t<(len-1))
{
if(temp==0)
{
LCD_ShowChar(x+6*t,y,'0');
continue;
}else enshow=1;
}
LCD_ShowChar(x+6*t,y,temp+'0');
}
}
//显示浮点型数字
//x,y:起点坐标; num：待显示数字; n1,n2：小数点前后各要保存的位数; size：字号
void LCD_ShowFloat(unsigned char x, unsigned char y,float num,unsigned int n1,unsigned int n2)
{
int num0,num1,i,p=1;
num0=num;
for(i=0;i<n2;i++) p=p*10;
num1=(int)(num*p)%p;
LCD_ShowNum(x,y,num0,n1);
LCD_ShowChar(x+n1*6+1,y,'.');
LCD_ShowNum(x+(n1+1)*6,y,num1,n2);
}
void LCD_ShowString(unsigned char X,unsigned char Y,char *s)
{
LCD_set_XY(X,Y);
while (*s)
{
LCD_write_char(*s);
s++;
}
}英文字库english_6x8_pixel.h
const unsigned char font6x8[][6] =
{
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // sp
{ 0x00, 0x00, 0x00, 0x2f, 0x00, 0x00 }, // !
{ 0x00, 0x00, 0x07, 0x00, 0x07, 0x00 }, // "
{ 0x00, 0x14, 0x7f, 0x14, 0x7f, 0x14 }, // #
{ 0x00, 0x24, 0x2a, 0x7f, 0x2a, 0x12 }, // $
{ 0x00, 0x62, 0x64, 0x08, 0x13, 0x23 }, // %
{ 0x00, 0x36, 0x49, 0x55, 0x22, 0x50 }, // &
{ 0x00, 0x00, 0x05, 0x03, 0x00, 0x00 }, // '
{ 0x00, 0x00, 0x1c, 0x22, 0x41, 0x00 }, // (
{ 0x00, 0x00, 0x41, 0x22, 0x1c, 0x00 }, // )
{ 0x00, 0x14, 0x08, 0x3E, 0x08, 0x14 }, // *
{ 0x00, 0x08, 0x08, 0x3E, 0x08, 0x08 }, // +
{ 0x00, 0x00, 0x00, 0xA0, 0x60, 0x00 }, // ,
{ 0x00, 0x08, 0x08, 0x08, 0x08, 0x08 }, // -
{ 0x00, 0x00, 0x60, 0x60, 0x00, 0x00 }, // .
{ 0x00, 0x20, 0x10, 0x08, 0x04, 0x02 }, // /
{ 0x00, 0x3E, 0x51, 0x49, 0x45, 0x3E }, // 0
{ 0x00, 0x00, 0x42, 0x7F, 0x40, 0x00 }, // 1
{ 0x00, 0x42, 0x61, 0x51, 0x49, 0x46 }, // 2
{ 0x00, 0x21, 0x41, 0x45, 0x4B, 0x31 }, // 3
{ 0x00, 0x18, 0x14, 0x12, 0x7F, 0x10 }, // 4
{ 0x00, 0x27, 0x45, 0x45, 0x45, 0x39 }, // 5
{ 0x00, 0x3C, 0x4A, 0x49, 0x49, 0x30 }, // 6
{ 0x00, 0x01, 0x71, 0x09, 0x05, 0x03 }, // 7
{ 0x00, 0x36, 0x49, 0x49, 0x49, 0x36 }, // 8
{ 0x00, 0x06, 0x49, 0x49, 0x29, 0x1E }, // 9
{ 0x00, 0x00, 0x36, 0x36, 0x00, 0x00 }, // :
{ 0x00, 0x00, 0x56, 0x36, 0x00, 0x00 }, // ;
{ 0x00, 0x08, 0x14, 0x22, 0x41, 0x00 }, // <
{ 0x00, 0x14, 0x14, 0x14, 0x14, 0x14 }, // =
{ 0x00, 0x00, 0x41, 0x22, 0x14, 0x08 }, // >
{ 0x00, 0x02, 0x01, 0x51, 0x09, 0x06 }, // ?
{ 0x00, 0x32, 0x49, 0x59, 0x51, 0x3E }, // @
{ 0x00, 0x7C, 0x12, 0x11, 0x12, 0x7C }, // A
{ 0x00, 0x7F, 0x49, 0x49, 0x49, 0x36 }, // B
{ 0x00, 0x3E, 0x41, 0x41, 0x41, 0x22 }, // C
{ 0x00, 0x7F, 0x41, 0x41, 0x22, 0x1C }, // D
{ 0x00, 0x7F, 0x49, 0x49, 0x49, 0x41 }, // E
{ 0x00, 0x7F, 0x09, 0x09, 0x09, 0x01 }, // F
{ 0x00, 0x3E, 0x41, 0x49, 0x49, 0x7A }, // G
{ 0x00, 0x7F, 0x08, 0x08, 0x08, 0x7F }, // H
{ 0x00, 0x00, 0x41, 0x7F, 0x41, 0x00 }, // I
{ 0x00, 0x20, 0x40, 0x41, 0x3F, 0x01 }, // J
{ 0x00, 0x7F, 0x08, 0x14, 0x22, 0x41 }, // K
{ 0x00, 0x7F, 0x40, 0x40, 0x40, 0x40 }, // L
{ 0x00, 0x7F, 0x02, 0x0C, 0x02, 0x7F }, // M
{ 0x00, 0x7F, 0x04, 0x08, 0x10, 0x7F }, // N
{ 0x00, 0x3E, 0x41, 0x41, 0x41, 0x3E }, // O
{ 0x00, 0x7F, 0x09, 0x09, 0x09, 0x06 }, // P
{ 0x00, 0x3E, 0x41, 0x51, 0x21, 0x5E }, // Q
{ 0x00, 0x7F, 0x09, 0x19, 0x29, 0x46 }, // R
{ 0x00, 0x46, 0x49, 0x49, 0x49, 0x31 }, // S
{ 0x00, 0x01, 0x01, 0x7F, 0x01, 0x01 }, // T
{ 0x00, 0x3F, 0x40, 0x40, 0x40, 0x3F }, // U
{ 0x00, 0x1F, 0x20, 0x40, 0x20, 0x1F }, // V
{ 0x00, 0x3F, 0x40, 0x38, 0x40, 0x3F }, // W
{ 0x00, 0x63, 0x14, 0x08, 0x14, 0x63 }, // X
{ 0x00, 0x07, 0x08, 0x70, 0x08, 0x07 }, // Y
{ 0x00, 0x61, 0x51, 0x49, 0x45, 0x43 }, // Z
{ 0x00, 0x00, 0x7F, 0x41, 0x41, 0x00 }, // [
{ 0x00, 0x55, 0x2A, 0x55, 0x2A, 0x55 }, // 55
{ 0x00, 0x00, 0x41, 0x41, 0x7F, 0x00 }, // ]
{ 0x00, 0x04, 0x02, 0x01, 0x02, 0x04 }, // ^
{ 0x00, 0x40, 0x40, 0x40, 0x40, 0x40 }, // _
{ 0x00, 0x00, 0x01, 0x02, 0x04, 0x00 }, // '
{ 0x00, 0x20, 0x54, 0x54, 0x54, 0x78 }, // a
{ 0x00, 0x7F, 0x48, 0x44, 0x44, 0x38 }, // b
{ 0x00, 0x38, 0x44, 0x44, 0x44, 0x20 }, // c
{ 0x00, 0x38, 0x44, 0x44, 0x48, 0x7F }, // d
{ 0x00, 0x38, 0x54, 0x54, 0x54, 0x18 }, // e
{ 0x00, 0x08, 0x7E, 0x09, 0x01, 0x02 }, // f
{ 0x00, 0x18, 0xA4, 0xA4, 0xA4, 0x7C }, // g
{ 0x00, 0x7F, 0x08, 0x04, 0x04, 0x78 }, // h
{ 0x00, 0x00, 0x44, 0x7D, 0x40, 0x00 }, // i
{ 0x00, 0x40, 0x80, 0x84, 0x7D, 0x00 }, // j
{ 0x00, 0x7F, 0x10, 0x28, 0x44, 0x00 }, // k
{ 0x00, 0x00, 0x41, 0x7F, 0x40, 0x00 }, // l
{ 0x00, 0x7C, 0x04, 0x18, 0x04, 0x78 }, // m
{ 0x00, 0x7C, 0x08, 0x04, 0x04, 0x78 }, // n
{ 0x00, 0x38, 0x44, 0x44, 0x44, 0x38 }, // o
{ 0x00, 0xFC, 0x24, 0x24, 0x24, 0x18 }, // p
{ 0x00, 0x18, 0x24, 0x24, 0x18, 0xFC }, // q
{ 0x00, 0x7C, 0x08, 0x04, 0x04, 0x08 }, // r
{ 0x00, 0x48, 0x54, 0x54, 0x54, 0x20 }, // s
{ 0x00, 0x04, 0x3F, 0x44, 0x40, 0x20 }, // t
{ 0x00, 0x3C, 0x40, 0x40, 0x20, 0x7C }, // u
{ 0x00, 0x1C, 0x20, 0x40, 0x20, 0x1C }, // v
{ 0x00, 0x3C, 0x40, 0x30, 0x40, 0x3C }, // w
{ 0x00, 0x44, 0x28, 0x10, 0x28, 0x44 }, // x
{ 0x00, 0x1C, 0xA0, 0xA0, 0xA0, 0x7C }, // y
{ 0x00, 0x44, 0x64, 0x54, 0x4C, 0x44 }, // z
{ 0x14, 0x14, 0x14, 0x14, 0x14, 0x14 } // horiz lines
};中文的字库就自行用取模软件取吧。初始化到write_chinese_string_pixel.h里面就行。
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