📄 3310main.c
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#include <msp430x14x.h>
#include "english_6x8_pixel.h" //英文字库
#include "write_chinese_string_pixel.h" //汉字库
#define uint unsigned int
#define uchar unsigned char
//*******************************************************************
//定义3310引脚
//***************************************************************
#define LCD_DC 0x410 // LCD第4脚， Msp430：P444
#define LCD_CE 0x40 // LCD第5脚， Msp430：P46
#define SPI_MOSI 0x04 // LCD第3脚， Msp430：P42
#define LCD_RST 0x02 // LCD第8脚， Msp430：P41
#define SPI_CLK 0x01 // LCD第2脚， Msp430：P40(
/*-------------------------------------
定义延时函数
---------------------------------------------*/
#define CPU_F ((double)8000000)
#define delay_us(x) __delay_cycles((long)(CPU_F*(double)x/1000000.0))
#define delay_ms(x) __delay_cycles((long)(CPU_F*(double)x/1000.0))
unsigned int results1=0;
unsigned int results2=0;
unsigned int results3=0;
unsigned int AD_TEMP=0;
unsigned char adc_flag=0;
//float AD=0;
/*---------------------------------------------
----------------------------------*/
void LCD_init(void);
void LCD_clear(void);
void LCD_write_english_string(unsigned char X,unsigned char Y,char *s);
void LCD_write_chinese_string(unsigned char X, unsigned char Y,
unsigned char ch_with,unsigned char num,
unsigned char line,unsigned char row);
void LCD_move_chinese_string (unsigned char X, unsigned char Y, unsigned char T);
void LCD_move_chinese_string(unsigned char X, unsigned char Y, unsigned char T);
void LCD_write_char(unsigned char c);
void LCD_draw_bmp_pixel(unsigned char X,unsigned char Y,unsigned char *map,
unsigned char Pix_x,unsigned char Pix_y);
void LCD_write_byte(unsigned char data, unsigned char dc);
void LCD_write_number(/*unsigned char X,unsigned char Y,*/unsigned char a);
//-------------------------------------------------------------
/*-----------------------------------------------------------------------
LCD_init : 3310LCD初始化
-----------------------------------------------------------------------*/
void LCD_init(void)
{
P4OUT &= ~LCD_RST; // 产生一个让LCD复位的低电平脉冲
delay_us(1);
P4OUT |= LCD_RST;
P4OUT &= ~LCD_CE ; // 关闭LCD
delay_us(1);
P4OUT |= LCD_CE; // 使能LCD
delay_us(1);
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
P4OUT &= ~LCD_CE ; // 关闭LCD
}
/*-----------------------------------------------------------------------
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
编写日期 ：2004-8-11
最后修改日期 ：2004-8-12
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_string[line+i][n],1);
}
i++;
LCD_set_XY((X+(ch_with+row)*i),Y);
}
}
/*-----------------------------------------------------------------------
LCD_draw_map : 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 LCD_draw_bmp_pixel(unsigned char X,unsigned char Y,unsigned char *map,
unsigned char Pix_x,unsigned char Pix_y)
{
unsigned int i,n;
unsigned char 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++)
{
LCD_set_XY(X,Y);
for(i=0; i<Pix_x; i++)
{
LCD_write_byte(map[i+n*Pix_x], 1);
}
Y++; //换行
}
}
/*-----------------------------------------------------------------------
LCD_write_byte : 使用模拟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 data, unsigned char command)
{
unsigned char i;
P4OUT &= ~LCD_CE ; // 使能LCD
P4OUT&=~SPI_CLK;
if (command == 0)
P4OUT &= ~LCD_DC; // 传送命令
else
P4OUT |= LCD_DC; // 传送数据
for(i=8;i>0;i--)
{
P4OUT&=~SPI_CLK;
delay_us(1);
if(data&BIT7)
P4OUT|= SPI_MOSI; //送1
else P4OUT&=~SPI_MOSI; //送0
delay_us(1);
P4OUT|=SPI_CLK; //上升沿上传数据
data<<=1;
}
delay_us(1);
P4OUT&=~SPI_CLK;
delay_us(1);
P4OUT|=SPI_CLK;
P4OUT|= LCD_CE ; // 关闭LCD
}
//------------------------------
//初始化系统时钟
//----------------------------------------*/
void int_clk()
{
unsigned char i;
BCSCTL1&=~XT2OFF; //打开XT振荡器
BCSCTL2|=SELM1+SELS;//MCLK 8M and SMCLK 1M
do
{
IFG1 &= ~OFIFG; //清除振荡错误标志
for(i = 0; i < 100; i++)
_NOP(); //延时等待
}
while ((IFG1 & OFIFG) != 0); //如果标志为1继续循环等待
IFG1&=~OFIFG;
}
/********************************/
//函数功能:显示数字//编辑: 刘家松//2009年5月10日
/*************************************/
void LCD_write_number(/*unsigned char X,unsigned char Y,*/unsigned char a)
{
LCD_write_char(a+16+32);
}
/***************/
//初始化ADC//刘家松//09-05-10
/******************/
void int_adc()
{
P6SEL |= 0X0f; //选择AD通道
ADC12CTL0=ADC12ON+MSC+SHT0_7+REFON+REF2_5V; //采样保持时间为16个ADC12CLK,参考电压开启，选择2.5V
ADC12CTL1=SHP+CONSEQ_3; //多通道重复转换模式---单多通道时主哟设置此寄存器
ADC12MCTL0 = 0X20+0x00; // ref+=REF2_5V, channel = A0
ADC12MCTL1 = 0X20+0x01; // ref+=REF2_5V, channel = A1
ADC12MCTL2 = 0X20+0x02; //ref+=REF2_5V, channel = A2
ADC12MCTL3 = 0X20+0x03; // ref+=AVcc, channel = A3, 结束转换通道选择.
ADC12IE = 0x0f; // 使能相应通道转换中断
ADC12CTL0 |= ENC; // 使能AD转换器
}
#pragma vector=ADC_VECTOR
__interrupt void ADC12ISR (void)
{
adc_flag=1;
AD_TEMP = ADC12MEM0; // 读转A0换值
results1 = ADC12MEM1; // 读转A1换值
results2 = ADC12MEM2; // 读转A2换值
results3 = ADC12MEM3; // 读转A3换值
ADC12IE&= ~0x0f;
}
/*******************************/
//显示电压函数//刘家松09-05-10
/*-----------------------------*/
void print_float(float data)
{
uint temp;
uchar a1,a2,a3,a4;
data=data*2.5/4095;
data=data*1000;
temp=(uint)data;
a1=temp/1000;
a2=temp%1000/100;
a3=temp%1000%100/10;
a4=temp%1000%100%10;
LCD_write_number(a1);
LCD_write_char('.');
LCD_write_number(a2);
LCD_write_number(a3);
LCD_write_number(a4);
LCD_write_char('V');
}
/*-----------------------*/
int main()
{
//float AD;
//int count;
WDTCTL=WDTPW+WDTHOLD; //关闭看门狗
int_clk(); //初始化系统时钟
int_adc();//初始化ADC
P4DIR=0xff; //p1 output
P4OUT=0xff;
LCD_init(); //初始化LCD
_EINT(); //使能中断
ADC12CTL0|=ADC12SC; //开启转换
while(1)
{
if(adc_flag==0)
{
ADC12CTL0|=ADC12SC; //开启转换
ADC12IE=0x0f;
}
if(adc_flag==1)
{
// AD+=AD_TEMP;
// count++;
// if(count==1000)
// {
// AD=AD/1000;
LCD_set_XY(0,0);
print_float(AD_TEMP);
LCD_set_XY(0,1);
print_float(results1);
LCD_set_XY(0,2);
print_float(results2);
LCD_set_XY(0,3);
print_float(results3);
//AD=0;
//count=0;
AD_TEMP=0;//变量清零
// }
adc_flag=0;//清中断标志
}
}
}
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