155 lines
2.6 KiB
C
155 lines
2.6 KiB
C
#include "main.h"
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/* LED与数码管 */
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unsigned char ucLed[8] = {0, 0, 0, 0, 0, 0, 0, 0};
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unsigned char Seg_Pos;
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unsigned char Seg_Buf[8] = {10, 10, 10, 10, 10, 10, 10, 10};
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unsigned char Seg_Point[8] = {0, 0, 0, 0, 0, 0, 0, 0};
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/* 串口数据*/
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unsigned char Uart_Buf[10];
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unsigned char Uart_Rx_Index;
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bit Uart_flag;
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unsigned char Sys_Tick;
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/* 时间*/
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unsigned char ucRtc[3] = {11, 11, 11};
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unsigned int time_all_1s;
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/* 数据 */
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unsigned int Freq;
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void Data_Proc()
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{
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if (time_all_1s % 50 == 0)
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{
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// 时间读取
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}
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if (time_all_1s % 100 == 0)
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{
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// AD读取
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}
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if (time_all_1s % 500 == 0)
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{
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// 温度读取
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}
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}
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/* 键盘处理*/
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void Key_Proc()
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{
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static unsigned char Key_Val, Key_Down, Key_Up, Key_Old;
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if (time_all_1s % 10)
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return;
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Key_Val = Key_Read();
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Key_Down = Key_Val & (Key_Old ^ Key_Val);
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Key_Up = ~Key_Val & (Key_Old ^ Key_Val);
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Key_Old = Key_Val;
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}
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/* 数码管处理*/
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void Seg_Proc()
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{
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if (time_all_1s % 20)
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return;
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}
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void Led_Proc() {}
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void Uart_Proc()
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{
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if (Uart_Rx_Index == 0)
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return;
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if (Sys_Tick >= 10)
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{
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Sys_Tick = Uart_flag = 0;
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memset(Uart_Buf, 0, Uart_Rx_Index);
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Uart_Rx_Index = 0;
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}
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}
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void Timer0_Init(void) // 1毫秒@12.000MHz
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{
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AUXR &= 0x7F; // 定时器时钟12T模式
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TMOD &= 0xF0; // 设置定时器模式
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TMOD |= 0x05;
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TL0 = 0; // 设置定时初始值
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TH0 = 0; // 设置定时初始值
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TF0 = 0; // 清除TF0标志
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TR0 = 1; // 定时器0开始计时
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EA = 1;
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}
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void Timer1_Init(void) // 1毫秒@12.000MHz
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{
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AUXR &= 0xBF; // 定时器时钟12T模式
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TMOD &= 0x0F; // 设置定时器模式
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TL1 = 0x18; // 设置定时初始值
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TH1 = 0xFC; // 设置定时初始值
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TF1 = 0; // 清除TF1标志
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TR1 = 1; // 定时器1开始计时
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ET1 = 1; // 使能定时器1中断
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EA = 1;
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}
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void Timer1_Isr(void) interrupt 3
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{
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unsigned char i;
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if (++time_all_1s == 1000)
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{
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time_all_1s = 0;
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Freq = TH0 << 8 | TL0;
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TH0 = TL0 = 0;
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}
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if (Uart_flag)
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Sys_Tick++;
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Seg_Pos = (++Seg_Pos) % 8;
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Seg_Disp(Seg_Pos, Seg_Buf[Seg_Pos], Seg_Point[Seg_Pos]);
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for (i = 0; i < 8; i++)
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Led_Disp(i, ucLed[i]);
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}
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void Uart1_Isr(void) interrupt 4
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{
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if (RI)
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{
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Uart_flag = 1;
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Sys_Tick = 0;
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Uart_Buf[Uart_Rx_Index] = SBUF;
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Uart_Rx_Index++;
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RI = 0;
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}
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if (Uart_Rx_Index > 10)
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Uart_Rx_Index = 0;
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}
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void Delay750ms(void) //@12.000MHz
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{
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unsigned char data i, j, k;
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_nop_();
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_nop_();
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i = 35;
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j = 51;
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k = 182;
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do
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{
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do
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{
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while (--k)
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;
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} while (--j);
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} while (--i);
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}
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void main()
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{
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System_Init();
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Timer0_Init();
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Uart1_Init();
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Timer1_Init();
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Set_Rtc(ucRtc);
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rd_temperature();
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Delay750ms();
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while (1)
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{
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Data_Proc();
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Key_Proc();
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Seg_Proc();
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Uart_Proc();
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Led_Proc();
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}
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} |