📄 megalcd.c
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/*****************************************************
SL-MEGA128综合演示程序(ICCAVR)
http://www.sl.com.cn
作者：詹卫前
1、实验设备：SL-MEGA
2、LCD连接：
数据线D0~D7接PORTA
ASK=PORTE.6
ANSWER=PORTE.7
RESET=PORTC.3
3、实时时钟晶振32.768KHZ
4、ADC通道：ADC0、ADC1，参考电压：AVCC
5、PS2键盘：DATA --PE5
CLOCK--PE4
6、工作频率：内部RC 8MHZ
7、实验内容：16进制扫描键盘
LCD驱动
点阵图形处理
汉字内码方式处理
汉字点阵方式处理
画点、线、圆函数
实时时钟RTC
AD转换实验
PS2键盘驱动
看门狗（WATCHDOG）使用
定时溢出中断、AD转换完成中断
*****************************************************/
//extern unsigned char kb_buffer[64];
#include <iom128v.h>
#include <macros.h>
/* 定义OCMJ4X8端口 */
//DATA_PORT=PORTA
#define data_port PORTA
//ASK=PORTE.6
#define ask (PINE&0x40)
//ANSWER=PORTE.7
#define set_answer asm("sbi 0x03,7")
#define clr_answer asm("cbi 0x03,7")
//RESTE=PORTC.3
#define set_reset asm("sbi 0x15,3")
#define clr_reset asm("cbi 0x15,3")
#define wait asm("nop\n nop")
/*-- 双龙公司图标数据 --*/
/*-- 宽度x高度=32x32 --*/
const unsigned char sl_ico[128]={
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0x7F,0xFF,0xFF,0xF8,0x3F,0xFF,0xFF,0xE0,0x1F,
0xFF,0xFF,0x80,0x1F,0xFF,0xFF,0x00,0x3F,0xFF,0xFE,0x01,0xFF,0xFF,0xFC,0x07,0xFF,
0xFF,0xF0,0x1F,0xFF,0xFF,0xF0,0x3F,0xFF,0xFF,0xF0,0x3F,0xFF,0xFF,0xF0,0x7F,0xFF,
0xFF,0xE0,0x7F,0xFF,0xFF,0xF0,0x3F,0xFF,0xFF,0xF0,0x1F,0xFF,0xFF,0xF8,0x0F,0xFF,
0xFF,0xFC,0x0F,0xFF,0xFF,0xFC,0x07,0xFF,0xFF,0xFE,0x03,0xFF,0xFF,0xFF,0x03,0xFF,
0xFF,0xFF,0x03,0xFF,0xFF,0xFF,0x01,0xFF,0xFF,0xFF,0x81,0xFF,0xFF,0xFF,0x01,0xFF,
0xFF,0xFF,0x03,0xFF,0xFF,0xFE,0x03,0xFF,0xFF,0xF8,0x03,0xFF,0xFF,0xE0,0x07,0xFF,
0xFE,0x00,0x2F,0xFF,0xFF,0xC0,0x3F,0xFF,0xFF,0xFD,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
/*-- ATMEL位图文件数据 --*/
/*-- 宽度x高度=104x49 --*/
const unsigned char atmel_bmp[637]={
0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,0x00,0x00,0x0F,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,0x00,0x00,0x1F,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,0x00,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xF8,0x00,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xF8,0x00,0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,0x00,0x00,
0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,0x00,0x00,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,0x00,0x00,0x00,0x7F,0x80,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0x80,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x7F,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x03,0xFC,0x7F,0x9F,0xFF,0xFF,0xF8,0x3F,0xFF,0xE7,0xF8,0x00,0x00,0x03,0xFC,0x7F,
0x9F,0xFF,0xFF,0xFC,0x3F,0xFF,0xE7,0xF8,0x00,0x00,0x07,0xFC,0x7F,0x9F,0xFF,0xFF,
0xFE,0x3F,0xFF,0xE7,0xF8,0x00,0x00,0x07,0xFC,0x7F,0x9F,0xC7,0xF9,0xFE,0x3F,0xFF,
0xE7,0xF8,0x00,0x00,0x0F,0xFC,0x7F,0x9F,0xC7,0xF8,0xFE,0x3F,0xFF,0xE7,0xF8,0x00,
0x00,0x0F,0xFC,0x7F,0x9F,0xC7,0xF8,0xFE,0x3F,0xFF,0xE7,0xF8,0x00,0x00,0x1F,0xFC,
0x7F,0x9F,0xC7,0xF8,0xFE,0x3F,0xFF,0xE7,0xF8,0x00,0x00,0x1F,0xFC,0x7F,0x9F,0xC7,
0xF8,0xFE,0x3F,0xFF,0xE7,0xF8,0x00,0x00,0x3F,0xFC,0x7F,0x9F,0xC7,0xF8,0xFE,0x3F,
0x00,0x07,0xF8,0x00,0x00,0x3F,0xFC,0x7F,0x9F,0xC7,0xF8,0xFE,0x3F,0x00,0x07,0xF8,
0x00,0x00,0x7F,0xFC,0x7F,0x9F,0xC7,0xF8,0xFE,0x3F,0xFF,0xE7,0xF8,0x00,0x00,0x7F,
0xFC,0x7F,0x9F,0xC7,0xF8,0xFE,0x3F,0xFF,0xE7,0xF8,0x00,0x00,0xFF,0xFC,0x7F,0x9F,
0xC7,0xF8,0xFE,0x3F,0xFF,0xE7,0xF8,0x00,0x00,0xFF,0xFC,0x7F,0x9F,0xC7,0xF8,0xFE,
0x3F,0xFF,0xE7,0xF8,0x00,0x01,0xFF,0xFC,0x7F,0x9F,0xC7,0xF8,0xFE,0x3F,0xFF,0xE7,
0xF8,0x00,0x01,0xFF,0xFC,0x7F,0x9F,0xC7,0xF8,0xFE,0x3F,0xFF,0xE7,0xF8,0x00,0x03,
0xFF,0xFC,0x7F,0x9F,0xC7,0xF8,0xFE,0x3F,0xFF,0xE7,0xF8,0x00,0x03,0xFF,0xFC,0x7F,
0x9F,0xC7,0xF8,0xFE,0x3F,0xFF,0xE7,0xF8,0x00,0x07,0xFB,0xFC,0x7F,0x9F,0xC7,0xF8,
0xFE,0x3F,0x00,0x07,0xF8,0x00,0x07,0xF3,0xFC,0x7F,0x9F,0xC7,0xF8,0xFE,0x3F,0x00,
0x07,0xF8,0x00,0x0F,0xF3,0xFC,0x7F,0x9F,0xC7,0xF8,0xFE,0x3F,0xFF,0xE7,0xF8,0x00,
0x1F,0xE3,0xFC,0x7F,0x9F,0xC7,0xF8,0xFE,0x3F,0xFF,0xE7,0xFF,0xF8,0x1F,0xE3,0xFC,
0x7F,0x9F,0xC7,0xF8,0xFE,0x3F,0xFF,0xE7,0xFF,0xF0,0x3F,0xC3,0xFC,0x7F,0x9F,0xC7,
0xF8,0xFE,0x3F,0xFF,0xE7,0xFF,0xF0,0x3F,0xC3,0xFC,0x7F,0x9F,0xC7,0xF8,0xFE,0x3F,
0xFF,0xE7,0xFF,0xE0,0x7F,0xF3,0xFC,0x7F,0x9F,0xC7,0xF8,0xFE,0x3F,0xFF,0xE7,0xFF,
0xE0,0x7F,0xF3,0xFC,0x7F,0x9F,0xC7,0xF8,0xFE,0x3F,0xFF,0xE7,0xFF,0xC0,0xFF,0xF3,
0xFC,0x7F,0x9F,0xC7,0xF8,0xFE,0x3F,0xFF,0xE7,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0x00,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0x00,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFC,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xF8,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
/*-- 文字: 和 --*/
/*-- 楷体_GB231248; 此字体下对应的点阵为：宽x高=64x64 --*/
const unsigned char hz1[480]={
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0x80,0x00,0x00,0x00,
0x00,0x00,0x00,0x1F,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0xC0,0x00,0x00,0x00,
0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xFC,0x00,0x00,0x00,0x00,
0x00,0x00,0x0F,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0x00,0x00,0x00,0x00,0x00,
0x00,0x03,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x1F,0x87,0xC0,0x00,0x00,0x00,0x00,
0x00,0x18,0x07,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xC0,0x00,0x00,0x00,0x00,
0x00,0x00,0x03,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x80,0x00,0x00,0x00,0x00,
0x00,0x00,0x03,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x80,0x00,0x00,0x00,0x00,
0x00,0x00,0x03,0x87,0xC0,0x00,0x00,0x00,0x00,0x00,0x03,0xFF,0xE0,0x00,0x06,0x00,
0x00,0x00,0x0F,0xFF,0xC0,0x00,0x1F,0x80,0x00,0x00,0xFF,0xF8,0x00,0x01,0xFF,0xE0,
0x00,0x0F,0xFF,0x80,0x7F,0xFF,0xFF,0xF0,0x07,0xFF,0xE7,0x80,0x7F,0xFF,0xFF,0xF0,
0x1F,0xFE,0x0F,0x80,0x7F,0x80,0x07,0xE0,0x0F,0xF0,0x1F,0x80,0x3E,0x00,0x07,0xC0,
0x07,0x80,0x3F,0x80,0x1E,0x00,0x07,0xC0,0x00,0x00,0x3F,0x80,0x1E,0x00,0x07,0x80,
0x00,0x00,0x7F,0x80,0x1E,0x00,0x07,0x80,0x00,0x00,0xFB,0x80,0x0E,0x00,0x07,0x80,
0x00,0x00,0xF3,0xF8,0x0E,0x00,0x0F,0x00,0x00,0x01,0xE3,0xFE,0x0E,0x00,0x0F,0x00,
0x00,0x03,0xE3,0xBF,0x0E,0x00,0x0F,0x00,0x00,0x07,0xC3,0x9F,0x07,0x00,0x0E,0x00,
0x00,0x07,0x83,0x8F,0x07,0x00,0x0E,0x00,0x00,0x0F,0x03,0x83,0x07,0x00,0x1F,0x00,
0x00,0x1E,0x03,0x80,0x07,0x1F,0xFF,0x80,0x00,0x3C,0x03,0x80,0x07,0xFF,0xFF,0x80,
0x00,0x78,0x03,0x80,0x07,0xFF,0x00,0x00,0x00,0x70,0x03,0x80,0x03,0x00,0x00,0x00,
0x00,0xE0,0x03,0x80,0x03,0x00,0x00,0x00,0x01,0xC0,0x03,0x80,0x03,0x00,0x00,0x00,
0x03,0x80,0x07,0x80,0x03,0x00,0x00,0x00,0x06,0x00,0x07,0x80,0x01,0x00,0x00,0x00,
0x0C,0x00,0x07,0x80,0x00,0x00,0x00,0x00,0x10,0x00,0x07,0x80,0x00,0x00,0x00,0x00,
0x00,0x00,0x07,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
const unsigned char hz2[132]={
/*-- 文字: 欢 --*/
/*-- 楷体_GB231224; 此字体下对应的点阵为：宽x高=32x33 --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x70,0x00,
0x00,0x00,0x70,0x00,0x00,0x00,0x60,0x00,0x00,0x00,0x60,0x00,0x00,0x00,0xC0,0x00,
0x00,0x00,0xC0,0x00,0x00,0x60,0x81,0x00,0x03,0xF1,0x8F,0xC0,0x3E,0x71,0xF9,0xE0,
0x10,0x63,0x01,0x80,0x00,0x62,0x03,0x00,0x08,0x64,0xC2,0x00,0x04,0x60,0x60,0x00,
0x06,0xC0,0x60,0x00,0x03,0xC0,0x60,0x00,0x01,0xC0,0x60,0x00,0x01,0xC0,0xD0,0x00,
0x01,0x60,0xD8,0x00,0x03,0x70,0xCC,0x00,0x06,0x31,0x8C,0x00,0x04,0x11,0x86,0x00,
0x08,0x03,0x03,0x80,0x10,0x06,0x03,0xC0,0x20,0x0C,0x01,0xF0,0x00,0x18,0x00,0xFC,
0x00,0x20,0x00,0x70,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00};
const unsigned char hz3[132]={
/*-- 文字: 迎 --*/
/*-- 楷体_GB231224; 此字体下对应的点阵为：宽x高=32x33 --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x60,0x00,0x00,0x00,0x60,0x00,0x06,0x00,0xC0,0x00,0x07,0x01,0x80,0x00,
0x03,0x82,0x01,0xE0,0x01,0x1C,0x3E,0xE0,0x00,0x08,0x10,0x60,0x00,0x0C,0x10,0x60,
0x00,0x0C,0x10,0xC0,0x07,0x0C,0x10,0xC0,0x3F,0x8C,0x50,0xC0,0x23,0x0D,0x93,0xC0,
0x03,0x0F,0x11,0xC0,0x02,0x0E,0x11,0x80,0x02,0x0C,0x10,0x00,0x02,0x08,0x10,0x00,
0x03,0x00,0x10,0x00,0x01,0x00,0x10,0x00,0x01,0x00,0x10,0x00,0x1F,0xC0,0x10,0x00,
0x3C,0x3E,0x10,0x00,0x00,0x07,0xE0,0x00,0x00,0x01,0xFF,0xFE,0x00,0x00,0x3F,0xF8,
0x00,0x00,0x07,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00};
const unsigned char hz4[132]={
/*-- 文字: 您 --*/
/*-- 楷体_GB231224; 此字体下对应的点阵为：宽x高=32x33 --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x40,0x00,0x00,0x30,0x60,0x00,
0x00,0x30,0x60,0x00,0x00,0x70,0xE0,0x00,0x00,0x60,0xC1,0x80,0x00,0xC1,0xBF,0xE0,
0x00,0xC3,0xE0,0xE0,0x01,0x82,0x31,0x00,0x03,0xC4,0x30,0x00,0x06,0xC8,0x10,0x00,
0x0C,0xC0,0x10,0x00,0x08,0xC2,0x13,0x00,0x10,0x82,0x11,0xC0,0x00,0x86,0x10,0xC0,
0x00,0x86,0x30,0x40,0x00,0x84,0xB0,0x00,0x00,0x80,0x70,0x00,0x00,0x80,0x30,0x00,
0x00,0x00,0x20,0xE0,0x00,0x07,0x00,0x78,0x02,0x03,0xC0,0x18,0x02,0x20,0xC0,0x00,
0x06,0x30,0x04,0x00,0x06,0x18,0x02,0x00,0x0C,0x0C,0x03,0x80,0x0C,0x07,0x03,0xC0,
0x00,0x03,0xFF,0xC0,0x00,0x00,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00};
unsigned int adc1;
unsigned int adc2;
unsigned char adcval[6];
unsigned char keytime;
extern void timecal(void);
extern void timer0_init(void);
extern void timer2_init(void);
extern void delay_ms(unsigned int n);
extern void init_kb(void);
extern void timetoasc(void);
extern unsigned char getchar(void);
/* AD转换程序 */
#pragma interrupt_handler adc_isr:iv_ADC
void adc_isr(void)
{
unsigned int temp=0;
//while(temp<6)
// temp++;
temp=ADC;
switch (ADMUX)
{
case 0:
{
adc1=temp;
ADMUX=1;
break;
}
case 1:
{
adc2=temp;
ADMUX=0;
break;
}
default :
{
ADMUX=0;
}
}
ADCSRA|=(1<<ADSC);//0x40
}
/* AD结果转换成电压 */
#define vref 473
unsigned char * adctoasc(unsigned int adc)
{
unsigned int temp;
unsigned char i;
unsigned char *char_p;
temp=(unsigned int)(((unsigned long)((unsigned long)adc*vref))/1024);
for(i=0;i<3;i++)
{
adcval[3-i]=temp%10+0x30;
temp=temp/10;
}
adcval[0]=adcval[1];
adcval[1]='.';
adcval[4]='V';
adcval[5]=0;
char_p=adcval;
return char_p;
}
/* OCMJ4X8LCD初始化 */
void ocmj_init(void)
{
MCUCR=0;
DDRA=0xff;
PORTA=0xff;
DDRE=0x80;
PORTE=0xff;
PORTC=0xff;
DDRD=0x00;
PORTD=0xff;
clr_reset;//LCD复位
delay_ms(10);
set_reset;
clr_answer;
delay_ms(10);
}
/* 写数据到LCD */
void ocmj_write(unsigned char data)
{
while(ask!=0)
;
data_port=data;
wait;
set_answer;
wait;
while(ask==0)
;
clr_answer;
}
/* 传送32*32ICO点阵数据到LCD */
/* x:0~15(字节为单位) y:0~64 */
/* ico_p:指向图形数据的指针 */
void ico_tran(unsigned char x,unsigned char y,const unsigned char *ico_p)
{
unsigned char i,j;
x+=4;
for(j=0;j<32;j++)
{
for(i=0;i<4;i++)
{
ocmj_write(0xf3);
ocmj_write(x);
ocmj_write(y);
ocmj_write(*ico_p);
ico_p++;
x++;
}
x-=4;
y++;
}
}
/* 清除屏幕区域 */
void cls(unsigned x,unsigned y,unsigned char high,unsigned char width)
{
unsigned char i,j;
x+=2;
for(j=0;j<high;j++)
{
for(i=0;i<width;i++)
{
ocmj_write(0xf0);
ocmj_write(x);
ocmj_write(y);
ocmj_write(55);
ocmj_write(90);
x++;
}
x-=width;
y++;
}
}
/* 传送bmp点阵数据到LCD */
/* x:0~15(字节为单位) y:0~64 */
/* bmp_p:指向图形数据的指针 */
/* high:位图高度(点阵行为单位) */
/* width:位图宽度(以字节为单位)⌨️ 快捷键说明
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