郭帅嵌入式课程设计.doc

嵌入式课程设计 1241903217 郭帅 1综述 进入21世纪以来,一个全方位的嵌入式系统应用即将来临,随着嵌入式系统的研究和应用的进一步深入,嵌入式系统将向网络化、智能化、规范化、集成化方向发展。嵌入控制器因其体积小、可靠性高、功能强、灵活方便等许多优点,其应用已深入到工业、农业、教育、国防、科研以及日常生活等各个领域,对各行各业的技术改造、产品更新换代、加速自动化化进程、提高生产率等方面起到了极其重要的推动作用。在与各个行业的具体应用相结合的过程中,嵌入式系统将对国民经济进行全方位的渗透,在我国国家现代化进程中发挥巨大推进作用。 2设计（软硬） KL25开发板 4*4键盘 1602LCD显示屏 #include includes.h //包含总头文件 #include common.h unsigned x,y,z; //通用延时函数的参数 unsigned char s1; //s1~s6用于时钟与定时器的XX:XX:XX的输出模式 unsigned char s2; unsigned char s3; unsigned char s4; unsigned char s5; unsigned char s6; unsigned char flag; unsigned char num=0,num1; uint_32 CYCLE=2000,t=0; struct GPIO { uint_8 gpio_port; uint_8 gpio_pin; }; #define m1_PORT PORTC #define m1 4 #define m2_PORT PORTC #define m2 5 #define m3_PORT PORTC #define m3 6 #define m4_PORT PORTC #define m4 7 //4根列线硬件连接 #define n1_PORT PORTC #define n1 8 #define n2_PORT PORTC #define n2 9 #define n3_PORT PORTC #define n3 10 #define n4_PORT PORTC #define n4 11 #define LCD_RS_PORT PORTD #define LCD_RS 7 //LCD读写信号引脚 #define LCD_RW_PORT PORTD #define LCD_RW 6 //LCD读写信号引脚 #define LCD_E_PORT PORTD #define LCD_E 5 //LCD数据引脚 #define LCD_D7_PORT PORTC #define LCD_D7 13 #define LCD_D6_PORT PORTC #define LCD_D6 16 #define LCD_D5_PORT PORTC #define LCD_D5 17 #define LCD_D4_PORT PORTD #define LCD_D4 0 #define LCD_D3_PORT PORTD #define LCD_D3 1 #define LCD_D2_PORT PORTD #define LCD_D2 2 #define LCD_D1_PORT PORTD #define LCD_D1 3 #define LCD_D0_PORT PORTD #define LCD_D0 4 struct GPIO kbm[4]= { {m1_PORT,m1}, {m2_PORT,m2}, {m3_PORT,m3}, {m4_PORT,m4}, }; //4条列线 struct GPIO kbn[4]= { {n1_PORT,n1}, {n2_PORT,n2}, {n3_PORT,n3}, {n4_PORT,n4}, }; unsigned char table[]={ 1,2,3,4, 5,6,7,8, 9,A,B,C, D,E,F,0}; #define LCD_RS_PORT PORTD #define LCD_RS 7 //LCD读写信号引脚 #define LCD_RW_PORT PORTD #define LCD_RW 6