45 lines
1.6 KiB
Plaintext
45 lines
1.6 KiB
Plaintext
C51 COMPILER V9.59.0.0 UART 02/24/2024 21:37:53 PAGE 1
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C51 COMPILER V9.59.0.0, COMPILATION OF MODULE UART
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OBJECT MODULE PLACED IN .\Objects\Uart.obj
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COMPILER INVOKED BY: D:\Keil_v5\C51\BIN\C51.EXE ..\Driver\Uart.c OPTIMIZE(8,SPEED) BROWSE INCDIR(..\Driver) DEBUG OBJECT
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-EXTEND PRINT(.\Listings\Uart.lst) TABS(2) OBJECT(.\Objects\Uart.obj)
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line level source
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1 #include "Uart.h"
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2 void Uart1_Init(void) // 9600bps@12MHz
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3 {
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4 1 SCON = 0x50; // 8位数据,可变波特率
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5 1 AUXR |= 0x01; // 串口1选择定时器2为波特率发生器
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6 1 AUXR |= 0x04; // 定时器时钟1T模式
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7 1 T2L = 0xC7; // 设置定时初始值
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8 1 T2H = 0xFE; // 设置定时初始值
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9 1 AUXR |= 0x10; // 定时器2开始计时
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10 1 ES = 1; // 打开串口中断
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11 1 EA = 1; // 打开总中断
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12 1 }
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13 extern char putchar(char ch)
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14 {
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15 1 SBUF = ch; // 将ch写入SBUF，发出数据
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16 1 while (TI == 0)
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17 1 ; // 等待发送完成
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18 1 TI = 0; // 清除发送完成标志
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19 1 return ch;
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20 1 }
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MODULE INFORMATION: STATIC OVERLAYABLE
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CODE SIZE = 31 ----
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CONSTANT SIZE = ---- ----
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XDATA SIZE = ---- ----
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PDATA SIZE = ---- ----
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DATA SIZE = ---- ----
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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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