STM32F103的一个日历

1、LCD显示年月日 时分秒 星期 信息。2、KEY0 进入修改模式，分别可以修改 年月日时分秒（处于修改状态下，对应值会变红），最后退出修改模式。3、在KEY0的修改模式下，按KEY1为数字 1，按KEY_UP为数字-1。

#include "led.h" #include "delay.h" #include "key.h" #include "sys.h" #include "lcd.h" #include "usart.h" #include "usmart.h" #include "rtc.h" /* 显示时间，index特殊处理 */ void show_index_time( u8 index, _calendar_obj calendar_temp ); int main( void ) { /* 按键返回值 */ u8 key = 0; /* 修改指向下标 */ u8 index = 0; /* 日历结构体 */ _calendar_obj calendar_temp; /* 延时函数初始化 */ delay_init(); /* 设置中断优先级分组为组2：2位抢占优先级，2位响应优先级 */ NVIC_PriorityGroupConfig( NVIC_PriorityGroup_2 ); /* 串口初始化为115200 */ uart_init( 115200 ); /* LED端口初始化 */ LED_Init(); /* LCD初始化 */ LCD_Init(); /* 按键初始化 */ KEY_Init(); /* 初始化USMART */ usmart_dev.init( SystemCoreClock / 1000000 ); /* RTC初始化 */ RTC_Init(); /* * 显示时间 * 设置字体为蓝色 */ POINT_COLOR = BLUE; LCD_ShowString( 60, 130, 200, 16, 16, " - - " ); LCD_ShowString( 60, 162, 200, 16, 16, " : : " ); calendar_temp = calendar; while ( 1 ) { /* 根据index显示不同日历变量 */ if ( 0 == index ) show_index_time( index, calendar ); else show_index_time( index, calendar_temp ); /* * 键处理函数 * 返回按键值 * mode:0,不支持连续按;1,支持连续按; * 0，没有任何按键按下 * 1，KEY0按下 * 2，KEY1按下 * 3，KEY3按下 WK_UP */ key = KEY_Scan( 0 ); /* KEY0 进入修改模式，依次顺序循环 */ if ( 1 == key ) { index ; index = index % 7; /* 进入修改 */ if ( 1 == index ) { calendar_temp = calendar; } /* 退出修改 else if(0 == index) */ { calendar = calendar_temp; RTC_Set( calendar_temp.w_year, calendar_temp.w_month, calendar_temp.w_date, calendar_temp.hour, calendar_temp.min, calendar_temp.sec ); } } /* KEY1 选中值 1 */ else if ( 2 == key ) { if ( 1 == index ) { calendar_temp.w_year ; } else if ( 2 == index ) { calendar_temp.w_month ; calendar_temp.w_month = calendar_temp.w_month > 12 ? 1 : calendar_temp.w_month; } else if ( 3 == index ) { /* 判断闰年 */ if ( Is_Leap_Year( calendar_temp.w_year ) ) { calendar_temp.w_date ; calendar_temp.w_date = calendar_temp.w_date > (calendar_temp.w_month == 2 ? (mon_table[calendar_temp.w_month - 1] 1) : mon_table[calendar_temp.w_month - 1]) ? 1 : calendar_temp.w_date; } else { calendar_temp.w_date ; calendar_temp.w_date = calendar_temp.w_date > mon_table[calendar_temp.w_month - 1] ? 1 : calendar_temp.w_date; } } else if ( 4 == index ) { calendar_temp.hour ; calendar_temp.hour = calendar_temp.hour > 23 ? 0 : calendar_temp.hour; } else if ( 5 == index ) { calendar_temp.min ; calendar_temp.min = calendar_temp.min > 59 ? 0 : calendar_temp.min; } else if ( 6 == index ) { calendar_temp.sec ; calendar_temp.sec = calendar_temp.sec > 59 ? 0 : calendar_temp.sec; } } /* KEY_UP 选中值-1 */ else if ( 3 == key ) { if ( 1 == index ) { calendar_temp.w_year--; calendar_temp.w_year = calendar_temp.w_year > 0 ? calendar_temp.w_year : 0; } else if ( 2 == index ) { calendar_temp.w_month--; calendar_temp.w_month = calendar_temp.w_month > 0 ? calendar_temp.w_month : 12; } else if ( 3 == index ) { if ( Is_Leap_Year( calendar_temp.w_year ) ) { calendar_temp.w_date--; calendar_temp.w_date = calendar_temp.w_date > 0 ? calendar_temp.w_date : (calendar_temp.w_month == 2 ? (mon_table[calendar_temp.w_month - 1] 1) : mon_table[calendar_temp.w_month - 1]); } else { calendar_temp.w_date--; calendar_temp.w_date = calendar_temp.w_date > 0 ? calendar_temp.w_date : mon_table[calendar_temp.w_month - 1]; } } else if ( 4 == index ) { calendar_temp.hour = calendar_temp.hour == 0 ? 23 : calendar_temp.hour - 1; } else if ( 5 == index ) { calendar_temp.min = calendar_temp.min == 0 ? 59 : calendar_temp.min - 1; } else if ( 6 == index ) { calendar_temp.sec = calendar_temp.sec == 0 ? 59 : calendar_temp.sec - 1; } } delay_ms( 10 ); } } /* 显示时间，index特殊处理 */ void show_index_time( u8 index, _calendar_obj calendar_temp ) { POINT_COLOR = BLUE; if ( 1 == index ) POINT_COLOR = RED; LCD_ShowNum( 60, 130, calendar_temp.w_year, 4, 16 ); POINT_COLOR = BLUE; if ( 2 == index ) POINT_COLOR = RED; LCD_ShowNum( 100, 130, calendar_temp.w_month, 2, 16 ); POINT_COLOR = BLUE; if ( 3 == index ) POINT_COLOR = RED; LCD_ShowNum( 124, 130, calendar_temp.w_date, 2, 16 ); POINT_COLOR = BLUE; if ( 4 == index ) POINT_COLOR = RED; LCD_ShowNum( 60, 162, calendar_temp.hour, 2, 16 ); POINT_COLOR = BLUE; if ( 5 == index ) POINT_COLOR = RED; LCD_ShowNum( 84, 162, calendar_temp.min, 2, 16 ); POINT_COLOR = BLUE; if ( 6 == index ) POINT_COLOR = RED; LCD_ShowNum( 108, 162, calendar_temp.sec, 2, 16 ); POINT_COLOR = RED; }