102 lines
3.2 KiB
Plaintext
Executable File
102 lines
3.2 KiB
Plaintext
Executable File
C51 COMPILER V9.54 INTERRUPT_1 05/13/2018 16:58:21 PAGE 1
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C51 COMPILER V9.54, COMPILATION OF MODULE INTERRUPT_1
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OBJECT MODULE PLACED IN .\Objects\Interrupt_1.obj
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COMPILER INVOKED BY: C:\Keil_v5\C51\BIN\C51.EXE Interrupt_1.c OPTIMIZE(8,SPEED) BROWSE DEBUG OBJECTEXTEND PRINT(.\Listin
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-gs\Interrupt_1.lst) TABS(2) OBJECT(.\Objects\Interrupt_1.obj)
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line level source
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1 // Timer 0 take as interrupt
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2 // Timer 1 take as delay
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3
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4 #include <reg51.h>
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5
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6 // 宣告延時函式
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7 void delay10ms(void);
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8
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9 unsigned int timer0_counter = 150;
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10
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11 void main(void){
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12 1
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13 1 //開啟 Timer0 和 Timer1
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14 1 TMOD = 0x11;
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15 1
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16 1 //interrupt control
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17 1 TL0 = (65536 - 9216) % 256;
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18 1 TH0 = (65536 - 9216) / 256;
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19 1 TF0 = 0;
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20 1 TR0 = 1; //開啟計時器 timer0
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21 1 ET0 = 1; //開啟 TF0 的中斷模組開關
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22 1 EA = 1; //開啟中斷模組總開關
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23 1
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24 1 delay10ms();
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25 1
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26 1 while(1){
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27 2 // do LED move up to down per 1.5 sec
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28 2 // using Timer 1 Mode 1 to generate 10ms delay
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29 2 }
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30 1 }
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31
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32
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33 void delay10ms(void){
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34 1 //設定初始值
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35 1 TF1 = 0;
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36 1 TR1 = 0;
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37 1 TL1 = (65536-9216) % 256;
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38 1 TH1 = (65536-9216) / 256;
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39 1
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40 1 //開啟計時器 timer1
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41 1 TR1 = 1;
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42 1
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43 1 //當 TF1 沒有溢位
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44 1 while(TF1 == 0);
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45 1
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46 1 //關閉計時器
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47 1 TR1 = 0;
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48 1
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49 1 //將 TF1 歸零
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50 1 TF1 = 0;
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51 1 }
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52
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53
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54 // timer0 在計時到的時候(TF0 = 1)會呼叫的中斷副函式
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C51 COMPILER V9.54 INTERRUPT_1 05/13/2018 16:58:21 PAGE 2
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55 void my_timer0(void) interrupt 1 {
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56 1
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57 1 //設定初始值
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58 1 TL0 = (65536 - 9216) % 256;
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59 1 TH0 = (65536 - 9216) / 256;
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60 1 TF0 = 0;
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61 1
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62 1 // timer0_counter 一直遞減
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63 1 timer0_counter--;
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64 1
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65 1
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66 1 //當 timer0_counter 為 0 時，實作七段顯示器
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67 1 if (timer0_counter == 0){
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68 2 // 實作七段顯示器
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69 2
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70 2
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71 2 //將 timer0_counter 的值設回 150
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72 2 timer0_counter = 150;
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73 2
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74 2 }
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75 1 }
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MODULE INFORMATION: STATIC OVERLAYABLE
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CODE SIZE = 74 ----
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CONSTANT SIZE = ---- ----
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XDATA SIZE = ---- ----
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PDATA SIZE = ---- ----
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DATA SIZE = 2 ----
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IDATA SIZE = ---- ----
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BIT SIZE = ---- ----
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END OF MODULE INFORMATION.
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C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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