m:ws:ws5:lcd
差别
这里会显示出您选择的修订版和当前版本之间的差别。
| 后一修订版 | 前一修订版 | ||
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m:ws:ws5:lcd [2015/12/05 14:04] admin 创建 |
m:ws:ws5:lcd [2015/12/06 19:47] (当前版本) admin |
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| 行 1: | 行 1: | ||
| <code C++> | <code C++> | ||
| + | //版权声明什么的最无聊了,大家随便用,随便复制,随便改. | ||
| + | //Copyright is nothing, feel free to use it in anyway. | ||
| + | //v151206 加入了从串口修改时间的功能 | ||
| + | |||
| #include <avr/pgmspace.h> | #include <avr/pgmspace.h> | ||
| #include "font.h" | #include "font.h" | ||
| #include <stdio.h> | #include <stdio.h> | ||
| - | + | ||
| - | #define LCD_SCK 13 | + | #define LCD_SCK 13 //LCD SPI时钟 |
| - | #define LCD_SI 11 | + | #define LCD_SI 11 //LCD SPI数据端口 |
| - | #define LCD_CS 10 | + | #define LCD_CS 10 //LCD SPI片选 |
| - | #define LCD_CD 9 | + | #define LCD_CD 9 //LCD SPI命令/数据 |
| - | #define LCD_RST 8 | + | #define LCD_RST 8 //LCD SPI复位 |
| + | |||
| + | //对arduino端口操作方式的重新定义 | ||
| #define Set(x) digitalWrite(x,1) | #define Set(x) digitalWrite(x,1) | ||
| #define Clr(x) digitalWrite(x,0) | #define Clr(x) digitalWrite(x,0) | ||
| #define Out(x) pinMode(x, 1) | #define Out(x) pinMode(x, 1) | ||
| #define In(x) pinMode(x, 0) | #define In(x) pinMode(x, 0) | ||
| + | |||
| + | //SPI写入 | ||
| void SPI_write(unsigned char dat) | void SPI_write(unsigned char dat) | ||
| { | { | ||
| 行 28: | 行 33: | ||
| Set(LCD_SCK); | Set(LCD_SCK); | ||
| } | } | ||
| + | Clr(LCD_SCK); | ||
| } | } | ||
| + | |||
| + | //向LCD写入命令 | ||
| void write_cmd(unsigned char dat) | void write_cmd(unsigned char dat) | ||
| { | { | ||
| 行 35: | 行 42: | ||
| SPI_write(dat); | SPI_write(dat); | ||
| } | } | ||
| + | |||
| + | //向LCD写入数据 | ||
| void write_dat(unsigned char dat) | void write_dat(unsigned char dat) | ||
| { | { | ||
| 行 41: | 行 49: | ||
| SPI_write(dat); | SPI_write(dat); | ||
| } | } | ||
| + | |||
| + | //LCD初始化 | ||
| void LCD_init(){ | void LCD_init(){ | ||
| Clr(LCD_CS); | Clr(LCD_CS); | ||
| 行 60: | 行 69: | ||
| Set(LCD_CS); | Set(LCD_CS); | ||
| } | } | ||
| + | |||
| + | //LCD 光标地址设定 | ||
| void LCD_add(unsigned page, unsigned column) | void LCD_add(unsigned page, unsigned column) | ||
| { | { | ||
| 行 67: | 行 77: | ||
| write_cmd(column & 0x0f); | write_cmd(column & 0x0f); | ||
| } | } | ||
| + | |||
| + | //LCD 屏幕内容清除 | ||
| void Clr_LCD() | void Clr_LCD() | ||
| { | { | ||
| 行 84: | 行 95: | ||
| Set(LCD_CS); | Set(LCD_CS); | ||
| } | } | ||
| + | |||
| + | //在某一个位置上显示一个字符 | ||
| void Dis_char(unsigned char line, unsigned char column, char *chr) | void Dis_char(unsigned char line, unsigned char column, char *chr) | ||
| { | { | ||
| 行 100: | 行 112: | ||
| Set(LCD_CS); | Set(LCD_CS); | ||
| } | } | ||
| + | |||
| + | //在某一个位置上显示一个字符串 | ||
| void Dis_str(unsigned char line, unsigned char column, char *str) | void Dis_str(unsigned char line, unsigned char column, char *str) | ||
| { | { | ||
| 行 110: | 行 123: | ||
| } | } | ||
| } | } | ||
| + | |||
| + | unsigned long os_time; | ||
| + | String inputString = ""; // a string to hold incoming data | ||
| + | boolean stringComplete = false; // whether the string is complete | ||
| void setup() { | void setup() { | ||
| 行 120: | 行 137: | ||
| Clr_LCD(); | Clr_LCD(); | ||
| Serial.begin(9600); | Serial.begin(9600); | ||
| + | os_time = millis(); | ||
| } | } | ||
| unsigned hour=0, mi=0, sec=0; | unsigned hour=0, mi=0, sec=0; | ||
| 行 125: | 行 143: | ||
| void loop() { | void loop() { | ||
| // put your main code here, to run repeatedly: | // put your main code here, to run repeatedly: | ||
| - | sprintf(dispstr, "%d:%d:%d",hour,mi,sec); | + | sprintf(dispstr, "%02d:%02d:%02d",hour,mi,sec); //这里的%02d是可以让时分秒补零,满足两位,显示出来更加好看 |
| sec++; | sec++; | ||
| if (sec >= 60) | if (sec >= 60) | ||
| 行 137: | 行 155: | ||
| hour++; | hour++; | ||
| } | } | ||
| - | Dis_str(0,0,"------TIMER-----"); | + | Dis_str(1,4,"-----TIMER-----"); |
| - | Dis_str(1,0, dispstr); | + | Dis_str(2,31, dispstr); |
| - | delay(1000); | + | while(millis() - os_time <= 1000) |
| + | { | ||
| + | if (stringComplete) { | ||
| + | Serial.println(inputString); | ||
| + | sscanf(inputString.c_str(), "h%dm%ds%d",&hour,&mi,&sec); //改时间的语句 | ||
| + | // clear the string: | ||
| + | inputString = ""; | ||
| + | stringComplete = false; | ||
| + | } | ||
| + | |||
| + | } | ||
| + | //这种计时方式比用delay准确 | ||
| + | os_time = millis(); | ||
| } | } | ||
| + | void serialEvent() { | ||
| + | while (Serial.available()) { | ||
| + | // get the new byte: | ||
| + | char inChar = (char)Serial.read(); | ||
| + | // add it to the inputString: | ||
| + | inputString += inChar; | ||
| + | // if the incoming character is a newline, set a flag | ||
| + | // so the main loop can do something about it: | ||
| + | if (inChar == '\n') { | ||
| + | stringComplete = true; | ||
| + | } | ||
| + | } | ||
| + | } | ||
| </code> | </code> | ||
· 最后更改: 2015/12/05 14:04