22 lines
403 B
C
22 lines
403 B
C
#include "uart.h"
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#include "xtell.h"
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void uart1_init(void) //115200bps@11.0592MHz
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{
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SCON = 0x50; //8位数据,可变波特率
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AUXR |= 0x01; //串口1选择定时器2为波特率发生器
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AUXR &= 0xFB; //定时器时钟12T模式
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T2L = 0xFE; //设置定时器初始值
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T2H = 0xFF; //设置定时器初始值
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AUXR |= 0x10; //定时器2开始计时
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TI = 1; //STC-ISP自动生成的代码,在串口初始化函数中需添加此行代码,否则printf不输出
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}
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