诺基亚（Nokia 5110）5110屏驱动（STM32）

一、前期准备
单片机：STM32F103ZET6
开发环境：MDK5.14
库函数：标准库V3.5
Nokia 5110模块：淘宝有售
在这里插入图片描述
二、实验效果

三、驱动原理
看5110的数据文档，根据文档要求写。需要完整工程或者有问题的请加QQ：1002521871，验证：呵呵。

四、驱动代码
5110.h

#ifndef __NOKIA_5110_H__
#define	__NOKIA_5110_H__
#include "stm32f10x.h"
#include "gpio.h"
#include "delay.h"
#include "nokiafont.h"#define 	Nokia_CLK 		PEout(0)		
#define		Nokia_DIN 		PEout(1)		
#define		Nokia_DC 		PEout(2)
#define		Nokia_CE 		PEout(3)
#define		Nokia_RST		PEout(4)extern void Nokia5110Configuration(void);
extern void Nokia_Clear(void);
extern void Nokia_Write_Chinese_String(uint8_t X, uint8_t Y, uint8_t ch_with, uint8_t num, uint8_t line, uint8_t row);
extern void Nokia_Write_English_String(uint8_t X, uint8_t Y, char *s);
#endif

5110.c

#include "nokia5110.h"void Nokia_Write_Byte(uint8_t dat, uint8_t cmd)
{uint8_t i;		        Nokia_CE = 0;			// 使能LCDif (cmd == 0){Nokia_DC = 0;		// 传送命令}else{   Nokia_DC = 1;		// 传送数据}for(i = 0; i < 8; i ++){if(dat & 0x80){Nokia_DIN = 1;}else{Nokia_DIN = 0;}Nokia_CLK = 0;dat = dat << 1;Nokia_CLK = 1;}Nokia_CE = 1;
}void Nokia_Clear(void)
{uint16_t i;Nokia_Write_Byte(0x0c, 0);			Nokia_Write_Byte(0x80, 0);			for (i = 0; i < 504; i ++){Nokia_Write_Byte(0, 1);}		
}void Nokia_Set_Position(uint8_t X, uint8_t Y)
{Nokia_Write_Byte(0x40 | Y, 0);		// columnNokia_Write_Byte(0x80 | X, 0);      // row
}void Nokia_Write_Char(uint8_t c)
{uint8_t line;c -= 32;for (line = 0; line < 6; line ++){Nokia_Write_Byte(font6x8[c][line], 1);}
}void Nokia_Write_English_String(uint8_t X, uint8_t Y, char *s)
{Nokia_Set_Position(X, Y);while (*s) {Nokia_Write_Char(*s);s ++;}
}
/*-----------------------------------------------------------------------
Nokia_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
-----------------------------------------------------------------------*/                        
void Nokia_Write_Chinese_String(uint8_t X, uint8_t Y, uint8_t ch_with, uint8_t num, uint8_t line, uint8_t row)
{uint8_t i, n;Nokia_Set_Position(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) {Nokia_Set_Position(X, Y + 1);}else{Nokia_Set_Position((X + (ch_with + row) * i), Y + 1);}}Nokia_Write_Byte(write_chinese[line + i][n], 1);}i ++;Nokia_Set_Position((X + (ch_with + row) * i), Y);}
}/*-----------------------------------------------------------------------
Nokia_Draw_Bmp_Pixel      : 位图绘制函数输入参数：X、Y    ：位图绘制的起始X、Y坐标；*map    ：位图点阵数据；Pix_x   ：位图像素（长）Pix_y   ：位图像素（宽）-----------------------------------------------------------------------*/
void Nokia_Draw_Bmp_Pixel(uint8_t X,uint8_t Y,uint8_t *map,uint8_t Pix_x, uint8_t Pix_y)
{uint16_t i, n;uint8_t row;if (Pix_y % 8 == 0) {row = Pix_y / 8;      //计算位图所占行数}else{row = Pix_y / 8 + 1;}for (n = 0; n < row; n ++){Nokia_Set_Position(X, Y);for(i = 0; i < Pix_x; i ++){Nokia_Write_Byte(map[i + n * Pix_x], 1);}Y ++;                         //换行}      
}void Nokia5110Configuration(void)
{GPIO_InitTypeDef    GPIO;//Enable APB2 BusRCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOE, ENABLE);//Register IO GPIO.GPIO_Pin   = 0x1F;GPIO.GPIO_Speed = GPIO_Speed_50MHz;GPIO.GPIO_Mode  = GPIO_Mode_Out_PP;GPIO_Init(GPIOE, &GPIO);Nokia_RST = 0;DelayUs(1);Nokia_RST = 1;Nokia_CE = 0;					// 关闭LCDDelayUs(1);Nokia_CE = 1;					// 使能LCDDelayUs(1);Nokia_Write_Byte(0x21, 0);	// 使用扩展命令设置LCD模式Nokia_Write_Byte(0xc8, 0);	// 设置偏置电压Nokia_Write_Byte(0x06, 0);	// 温度校正Nokia_Write_Byte(0x13, 0);	// 1:48Nokia_Write_Byte(0x20, 0);	// 使用基本命令Nokia_Clear();	       		// 清屏Nokia_Write_Byte(0x0c, 0);	// 设定显示模式，正常显示Nokia_CE = 0;					// 关闭LCD
}

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