18 lines
430 B
C
18 lines
430 B
C
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#include "uart.h"
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void Uart1_Init(void) // 9600bps@12.000MHz
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{
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SCON = 0x50; // 8λ<38><CEBB><EFBFBD><EFBFBD>,<2C>ɱ䲨<C9B1><E4B2A8><EFBFBD><EFBFBD>
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AUXR |= 0x01; // <20><><EFBFBD><EFBFBD>1ѡ<31><D1A1><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>2Ϊ<32><CEAA><EFBFBD><EFBFBD><EFBFBD>ʷ<EFBFBD><CAB7><EFBFBD><EFBFBD><EFBFBD>
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AUXR |= 0x04; // <20><>ʱ<EFBFBD><CAB1>ʱ<EFBFBD><CAB1>1Tģʽ
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T2L = 0xC7; // <20><><EFBFBD>ö<EFBFBD>ʱ<EFBFBD><CAB1>ʼֵ
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T2H = 0xFE; // <20><><EFBFBD>ö<EFBFBD>ʱ<EFBFBD><CAB1>ʼֵ
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AUXR |= 0x10; // <20><>ʱ<EFBFBD><CAB1>2<EFBFBD><32>ʼ<EFBFBD><CABC>ʱ
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ES = 1; // ʹ<>ܴ<EFBFBD><DCB4><EFBFBD>1<EFBFBD>ж<EFBFBD>
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EA = 1;
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}
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extern char putchar(char ch) {
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SBUF = ch;
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while (TI == 0);
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TI = 0;
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return ch;
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}
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