21 lines
582 B
C
21 lines
582 B
C
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#include "Uart.h"
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void Uart1_Init(void) // 4800bps@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 &= 0xBF; // <20><>ʱ<EFBFBD><CAB1>ʱ<EFBFBD><CAB1>12Tģʽ
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AUXR &= 0xFE; // <20><><EFBFBD><EFBFBD>1ѡ<31><D1A1><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>1Ϊ<31><CEAA><EFBFBD><EFBFBD><EFBFBD>ʷ<EFBFBD><CAB7><EFBFBD><EFBFBD><EFBFBD>
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TMOD &= 0x0F; // <20><><EFBFBD>ö<EFBFBD>ʱ<EFBFBD><CAB1>ģʽ
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TL1 = 0xCC; // <20><><EFBFBD>ö<EFBFBD>ʱ<EFBFBD><CAB1>ʼֵ
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TH1 = 0xFF; // <20><><EFBFBD>ö<EFBFBD>ʱ<EFBFBD><CAB1>ʼֵ
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ET1 = 0; // <20><>ֹ<EFBFBD><D6B9>ʱ<EFBFBD><CAB1><EFBFBD>ж<EFBFBD>
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TR1 = 1; // <20><>ʱ<EFBFBD><CAB1>1<EFBFBD><31>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; // <20><>chд<68><D0B4>SBUF<55><46><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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while (TI == 0); // <20>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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TI = 0; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɱ<EFBFBD>־
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return ch;
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}
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