STC8G1K08+RX8025T+OLED万年历编译出错请教 -

#include <STC8G.H>
#include <intrins.h>
// 定义I2C引脚
sbit SDA = P3^2;
sbit SCL = P3^1;
// 定义按键引脚
sbit KEY_SET = P3^3;
sbit KEY_UP = P3^4;
sbit KEY_DN = P3^5;
// OLED参数
#define OLED_ADDR 0x3C // OLED I2C地址
#define RX8025T_ADDR 0x32 // RX8025T I2C地址
// 星期定义
char *weekdays[] = {"日", "一", "二", "三", "四", "五", "六"};
// 时间结构体
struct DateTime {
unsigned char second;
unsigned char minute;
unsigned char hour;
unsigned char day; // 星期
unsigned char date; // 日
unsigned char month;
unsigned char year;
};
// 全局变量
struct DateTime currentTime;
bit setMode = 0; // 0:正常模式, 1:设置模式
unsigned char setPos = 0; // 设置位置:0=年,1=月,2=日,3=时,4=分,5=秒
unsigned char blinkCnt = 0; // 闪烁计数器
// 函数声明
void I2C_Start();
void I2C_Stop();
bit I2C_Write(unsigned char dat);
unsigned char I2C_Read(bit ack);
void OLED_WriteCmd(unsigned char cmd);
void OLED_WriteData(unsigned char dat);
void OLED_Init();
void OLED_SetPos(unsigned char x, unsigned char y);
void OLED_ShowChar(unsigned char x, unsigned char y, char c);
void OLED_ShowStr(unsigned char x, unsigned char y, char *str);
void RX8025T_ReadTime();
void RX8025T_WriteTime();
void Key_Scan();
void Display_Time();
void Display_Date();
void Display_Temperature();
void NumToStr(unsigned char num, char *str);
void DelayMS(unsigned int ms);
// I2C起始信号
void I2C_Start() {
SDA = 1;
SCL = 1;
_nop_(); _nop_();
SDA = 0;
_nop_(); _nop_();
SCL = 0;
}
// I2C停止信号
void I2C_Stop() {
SDA = 0;
SCL = 1;
_nop_(); _nop_();
SDA = 1;
_nop_(); _nop_();
}
// I2C写一个字节
bit I2C_Write(unsigned char dat) {
unsigned char i;
bit ack;
for(i=0; i<8; i++) {
SDA = (dat & 0x80) ? 1 : 0;
dat <<= 1;
SCL = 1;
_nop_(); _nop_(); _nop_();
SCL = 0;
}
SDA = 1; // 释放SDA
SCL = 1;
_nop_(); _nop_();
ack = SDA; // 读取ACK
SCL = 0;
return ack;
}
// I2C读一个字节
unsigned char I2C_Read(bit ack) {
unsigned char i, dat = 0;
SDA = 1; // 释放SDA
for(i=0; i<8; i++) {
SCL = 1;
_nop_(); _nop_();
dat <<= 1;
if(SDA) dat |= 0x01;
SCL = 0;
_nop_(); _nop_();
}
// 发送ACK/NACK
SDA = ack;
SCL = 1;
_nop_(); _nop_(); _nop_();
SCL = 0;
SDA = 1; // 释放SDA
return dat;
}
// OLED写命令
void OLED_WriteCmd(unsigned char cmd) {
I2C_Start();
I2C_Write(OLED_ADDR << 1);
I2C_Write(0x00); // 命令标识
I2C_Write(cmd);
I2C_Stop();
}
// OLED写数据
void OLED_WriteData(unsigned char dat) {
I2C_Start();
I2C_Write(OLED_ADDR << 1);
I2C_Write(0x40); // 数据标识
I2C_Write(dat);
I2C_Stop();
}
// OLED初始化
void OLED_Init() {
DelayMS(100);
OLED_WriteCmd(0xAE); // 关闭显示
OLED_WriteCmd(0xD5); // 设置显示时钟分频
OLED_WriteCmd(0x80);
OLED_WriteCmd(0xA8); // 设置复用率
OLED_WriteCmd(0x3F);
OLED_WriteCmd(0xD3); // 设置显示偏移
OLED_WriteCmd(0x00);
OLED_WriteCmd(0x40); // 设置起始行
OLED_WriteCmd(0x8D); // 电荷泵设置
OLED_WriteCmd(0x14); // 开启电荷泵
OLED_WriteCmd(0x20); // 内存模式
OLED_WriteCmd(0x00); // 水平寻址模式
OLED_WriteCmd(0xA1); // 段重映射
OLED_WriteCmd(0xC8); // 行重映射
OLED_WriteCmd(0xDA); // 设置COM硬件
OLED_WriteCmd(0x12);
OLED_WriteCmd(0x81); // 对比度设置
OLED_WriteCmd(0xCF);
OLED_WriteCmd(0xD9); // 预充电周期
OLED_WriteCmd(0xF1);
OLED_WriteCmd(0xDB); // VCOMH设置
OLED_WriteCmd(0x40);
OLED_WriteCmd(0xA4); // 正常显示
OLED_WriteCmd(0xA6); // 非反转显示
OLED_WriteCmd(0xAF); // 开启显示
}
// 设置显示位置
void OLED_SetPos(unsigned char x, unsigned char y) {
OLED_WriteCmd(0xB0 + y); // 设置页地址
OLED_WriteCmd(((x & 0xF0) >> 4) | 0x10); // 设置列地址高4位
OLED_WriteCmd(x & 0x0F); // 设置列地址低4位
}
// 5x7字体字模
const unsigned char Font5x7[][5] = {
{0x3E,0x45,0x49,0x51,0x3E}, // 0
{0x00,0x21,0x7F,0x01,0x00}, // 1
{0x23,0x45,0x49,0x49,0x31}, // 2
{0x22,0x49,0x49,0x49,0x36}, // 3
{0x0C,0x14,0x24,0x7F,0x04}, // 4
{0x72,0x51,0x51,0x51,0x4E}, // 5
{0x1E,0x29,0x49,0x49,0x06}, // 6
{0x40,0x47,0x48,0x50,0x60}, // 7
{0x36,0x49,0x49,0x49,0x36}, // 8
{0x30,0x49,0x49,0x4A,0x3C}, // 9
{0x00,0x36,0x36,0x00,0x00}, // :
{0x00,0x00,0x7F,0x00,0x00}, // -
{0x7F,0x48,0x48,0x48,0x30}, // T
{0x41,0x22,0x1C,0x22,0x41} // W
};
// 显示单个字符
void OLED_ShowChar(unsigned char x, unsigned char y, char c,unsigned char i) {
unsigned char idx = 0;
if(c >= '0' && c <= '9') {
idx = c - '0';
}
else if(c == ':') {
idx = 10;
}
else if(c == '-') {
idx = 11;
}
else if(c == 'T') {
idx = 12;
}
else if(c == 'W') {
idx = 13;
}
else {
return; // 不支持的字符
}
OLED_SetPos(x, y);
// for(unsigned char i=0; i<5; i++) {
for(i=0; i<5; i++) {
OLED_WriteData(Font5x7[idx][i]);
}
OLED_WriteData(0x00); // 字符间距
}
// 显示字符串
void OLED_ShowStr(unsigned char x, unsigned char y, char *str) {
while(*str) {
OLED_ShowChar(x, y, *str++);
x += 6; // 每个字符占6列(5像素+1间距)
}
}
// 数字转字符串
void NumToStr(unsigned char num, char *str) {
str[0] = num / 10 + '0';
str[1] = num % 10 + '0';
str[2] = '\0';
}
// 从RX8025T读取时间
void RX8025T_ReadTime() {
I2C_Start();
I2C_Write(RX8025T_ADDR << 1); // 写地址
I2C_Write(0x00); // 起始地址(秒寄存器)
I2C_Start();
I2C_Write((RX8025T_ADDR << 1) | 0x01); // 读地址
currentTime.second = I2C_Read(1); // 发送ACK继续读
currentTime.minute = I2C_Read(1);
currentTime.hour = I2C_Read(1);
currentTime.day = I2C_Read(1);
currentTime.date = I2C_Read(1);
currentTime.month = I2C_Read(1);
currentTime.year = I2C_Read(0); // 最后字节发送NACK
I2C_Stop();
// 转换BCD码
currentTime.second = (currentTime.second >> 4) * 10 + (currentTime.second & 0x0F);
currentTime.minute = (currentTime.minute >> 4) * 10 + (currentTime.minute & 0x0F);
currentTime.hour = (currentTime.hour >> 4) * 10 + (currentTime.hour & 0x0F);
currentTime.date = (currentTime.date >> 4) * 10 + (currentTime.date & 0x0F);
currentTime.month = (currentTime.month >> 4) * 10 + (currentTime.month & 0x0F);
currentTime.year = (currentTime.year >> 4) * 10 + (currentTime.year & 0x0F);
}
// 向RX8025T写入时间
void RX8025T_WriteTime() {
I2C_Start();
I2C_Write(RX8025T_ADDR << 1); // 写地址
I2C_Write(0x00); // 起始地址(秒寄存器)
// 转换BCD码
I2C_Write(((currentTime.second / 10) << 4) | (currentTime.second % 10));
I2C_Write(((currentTime.minute / 10) << 4) | (currentTime.minute % 10));
I2C_Write(((currentTime.hour / 10) << 4) | (currentTime.hour % 10));
I2C_Write(currentTime.day);
I2C_Write(((currentTime.date / 10) << 4) | (currentTime.date % 10));
I2C_Write(((currentTime.month / 10) << 4) | (currentTime.month % 10));
I2C_Write(((currentTime.year / 10) << 4) | (currentTime.year % 10));
I2C_Stop();
}
// 按键扫描
void Key_Scan() {
static unsigned char keyCount = 0;
static bit keyFlag = 0;
if(!KEY_SET || !KEY_UP || !KEY_DN) {
keyCount++;
if(keyCount >= 20) { // 消抖
keyCount = 0;
if(!keyFlag) {
keyFlag = 1;
if(!KEY_SET) {
if(!setMode) {
setMode = 1;
setPos = 0; // 进入设置模式
}
else {
setPos++; // 切换到下一个设置项
if(setPos > 5) { // 设置完成
setMode = 0;
RX8025T_WriteTime(); // 保存时间
}
}
}
if(setMode) {
if(!KEY_UP) {
switch(setPos) {
case 0: currentTime.year = (currentTime.year < 99) ? currentTime.year+1 : 0; break;
case 1: currentTime.month = (currentTime.month < 12) ? currentTime.month+1 : 1; break;
case 2: currentTime.date = (currentTime.date < 31) ? currentTime.date+1 : 1; break;
case 3: currentTime.hour = (currentTime.hour < 23) ? currentTime.hour+1 : 0; break;
case 4: currentTime.minute = (currentTime.minute < 59) ? currentTime.minute+1 : 0; break;
case 5: currentTime.second = (currentTime.second < 59) ? currentTime.second+1 : 0; break;
}
}
if(!KEY_DN) {
switch(setPos) {
case 0: currentTime.year = (currentTime.year > 0) ? currentTime.year-1 : 99; break;
case 1: currentTime.month = (currentTime.month > 1) ? currentTime.month-1 : 12; break;
case 2: currentTime.date = (currentTime.date > 1) ? currentTime.date-1 : 31; break;
case 3: currentTime.hour = (currentTime.hour > 0) ? currentTime.hour-1 : 23; break;
case 4: currentTime.minute = (currentTime.minute > 0) ? currentTime.minute-1 : 59; break;
case 5: currentTime.second = (currentTime.second > 0) ? currentTime.second-1 : 59; break;
}
}
}
}
}
}
else {
keyCount = 0;
keyFlag = 0;
}
}
// 显示日期
void Display_Date() {
char str[3];
// 显示年月日
OLED_ShowStr(0, 0, "20");
NumToStr(currentTime.year, str);
OLED_ShowStr(12, 0, str);
OLED_ShowChar(24, 0, '-');
NumToStr(currentTime.month, str);
OLED_ShowStr(30, 0, str);
OLED_ShowChar(42, 0, '-');
NumToStr(currentTime.date, str);
OLED_ShowStr(48, 0, str);
// 显示星期
OLED_ShowStr(72, 0, "W");
str[0] = '0' + (currentTime.day % 7); // 显示0-6
str[1] = '\0';
OLED_ShowStr(78, 0, str);
}
// 显示时间
void Display_Time() {
char str[3];
NumToStr(currentTime.hour, str);
OLED_ShowStr(0, 2, str);
OLED_ShowChar(12, 2, ':');
NumToStr(currentTime.minute, str);
OLED_ShowStr(18, 2, str);
OLED_ShowChar(30, 2, ':');
NumToStr(currentTime.second, str);
OLED_ShowStr(36, 2, str);
}
}
// 主函数
void main() {
// 初始化IO口
P3M0 = 0x00;
P3M1 = 0x00; // 准双向模式
// 初始化OLED
OLED_Init();
// 初始化时间 (示例时间)
currentTime.year = 23;
currentTime.month = 1;
currentTime.date = 1;
currentTime.day = 0; // 星期日
currentTime.hour = 12;
currentTime.minute = 0;
currentTime.second = 0;
RX8025T_WriteTime(); // 写入初始时间
while(1) {
RX8025T_ReadTime(); // 读取时间
Key_Scan(); // 按键扫描
// 清屏
OLED_WriteCmd(0x20); // 水平寻址模式
OLED_WriteCmd(0x00); // 列起始地址0
OLED_WriteCmd(0x10); // 列结束地址127
OLED_WriteCmd(0x00); // 页起始地址0
OLED_WriteCmd(0x07); // 页结束地址7
// 显示信息
Display_Date();
Display_Time();
Display_Temperature();
// 设置模式闪烁指示
if(setMode) {
blinkCnt++;
if(blinkCnt > 100) {
switch(setPos) {
case 0: OLED_ShowStr(12, 0, " "); break; // 年
case 1: OLED_ShowStr(30, 0, " "); break; // 月
case 2: OLED_ShowStr(48, 0, " "); break; // 日
case 3: OLED_ShowStr(0, 2, " "); break; // 时
case 4: OLED_ShowStr(18, 2, " "); break; // 分
case 5: OLED_ShowStr(36, 2, " "); break; // 秒
}
if(blinkCnt > 200) blinkCnt = 0;
}
}
DelayMS(10);
}
}
// 简单延时函数
void DelayMS(unsigned int ms) {
unsigned int i, j;
for(i=0; i<ms; i++)
for(j=0; j<1000; j++);
}

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