C51 COMPILER V9.59.0.0 UART 03/09/2021 13:57:37 PAGE 1 C51 COMPILER V9.59.0.0, COMPILATION OF MODULE UART OBJECT MODULE PLACED IN .\list\UART.obj COMPILER INVOKED BY: C:\Keil_v5\C51\BIN\C51.EXE UART.C OPTIMIZE(8,SPEED) BROWSE DEBUG OBJECTEXTEND PRINT(.\list\UART.lst -) TABS(2) OBJECT(.\list\UART.obj) line level source 1 /*---------------------------------------------------------------------*/ 2 /* --- STC MCU Limited ------------------------------------------------*/ 3 /* --- STC 1T Series MCU Demo Programme -------------------------------*/ 4 /* --- Mobile: (86)13922805190 ----------------------------------------*/ 5 /* --- Fax: 86-0513-55012956,55012947,55012969 ------------------------*/ 6 /* --- Tel: 86-0513-55012928,55012929,55012966 ------------------------*/ 7 /* --- Web: www.STCMCU.com --------------------------------------------*/ 8 /* --- Web: www.STCMCUDATA.com ---------------------------------------*/ 9 /* --- QQ: 800003751 -------------------------------------------------*/ 10 /* 如果要在程序中使用此代码,请在程序中注明使用了STC的资料及程序 */ 11 /*---------------------------------------------------------------------*/ 12 13 #include "UART.h" 14 15 16 #ifdef UART1 COMx_Define COM1; u8 xdata TX1_Buffer[COM_TX1_Lenth]; //发送缓冲 u8 xdata RX1_Buffer[COM_RX1_Lenth]; //接收缓冲 #endif 21 #ifdef UART2 22 COMx_Define COM2; 23 u8 xdata TX2_Buffer[COM_TX2_Lenth]; //发送缓冲 24 u8 xdata RX2_Buffer[COM_RX2_Lenth]; //接收缓冲 25 #endif 26 #ifdef UART3 COMx_Define COM3; u8 xdata TX3_Buffer[COM_TX3_Lenth]; //发送缓冲 u8 xdata RX3_Buffer[COM_RX3_Lenth]; //接收缓冲 #endif 31 #ifdef UART4 COMx_Define COM4; u8 xdata TX4_Buffer[COM_TX4_Lenth]; //发送缓冲 u8 xdata RX4_Buffer[COM_RX4_Lenth]; //接收缓冲 #endif 36 37 u8 UART_Configuration(u8 UARTx, COMx_InitDefine *COMx) 38 { 39 1 u8 i; 40 1 u32 j; 41 1 42 1 #ifdef UART1 if(UARTx == UART1) { COM1.id = 1; COM1.TX_read = 0; COM1.TX_write = 0; COM1.B_TX_busy = 0; COM1.RX_Cnt = 0; COM1.RX_TimeOut = 0; COM1.B_RX_OK = 0; for(i=0; iUART_Polity > Polity_3) return 2; //错误 UART1_Polity(COMx->UART_Polity); //指定中断优先级(低到高) Polity_0,Polity_1,Polity_2,Polity_3 if(COMx->UART_Mode > UART_9bit_BRTx) return 2; //模式错误 SCON = (SCON & 0x3f) | COMx->UART_Mode; if((COMx->UART_Mode == UART_9bit_BRTx) || (COMx->UART_Mode == UART_8bit_BRTx)) //可变波特率 { j = (MAIN_Fosc / 4) / COMx->UART_BaudRate; //按1T计算 if(j >= 65536UL) return 2; //错误 j = 65536UL - j; if(COMx->UART_BRT_Use == BRT_Timer1) { TR1 = 0; AUXR &= ~0x01; //S1 BRT Use Timer1; TMOD &= ~(1<<6); //Timer1 set As Timer TMOD &= ~0x30; //Timer1_16bitAutoReload; AUXR |= (1<<6); //Timer1 set as 1T mode TH1 = (u8)(j>>8); TL1 = (u8)j; ET1 = 0; //禁止中断 TMOD &= ~0x40; //定时 INT_CLKO &= ~0x02; //不输出时钟 TR1 = 1; } else if(COMx->UART_BRT_Use == BRT_Timer2) { AUXR &= ~(1<<4); //Timer stop AUXR |= 0x01; //S1 BRT Use Timer2; AUXR &= ~(1<<3); //Timer2 set As Timer AUXR |= (1<<2); //Timer2 set as 1T mode TH2 = (u8)(j>>8); TL2 = (u8)j; IE2 &= ~(1<<2); //禁止中断 AUXR |= (1<<4); //Timer run enable } else return 2; //错误 } else if(COMx->UART_Mode == UART_ShiftRight) { if(COMx->BaudRateDouble == ENABLE) AUXR |= (1<<5); //固定波特率SysClk/2 else AUXR &= ~(1<<5); //固定波特率SysClk/12 } else if(COMx->UART_Mode == UART_9bit) //固定波特率SysClk*2^SMOD/64 { if(COMx->BaudRateDouble == ENABLE) PCON |= (1<<7); //固定波特率SysClk/32 else PCON &= ~(1<<7); //固定波特率SysClk/64 } if(COMx->UART_Interrupt == ENABLE) ES = 1; //允许中断 else ES = 0; //禁止中断 if(COMx->UART_RxEnable == ENABLE) REN = 1; //允许接收 else REN = 0; //禁止接收 P_SW1 = (P_SW1 & 0x3f) | (COMx->UART_P_SW & 0xc0); //切换IO return 0; } #endif 109 1 #ifdef UART2 110 1 if(UARTx == UART2) 111 1 { 112 2 COM2.id = 2; 113 2 COM2.TX_read = 0; 114 2 COM2.TX_write = 0; 115 2 COM2.B_TX_busy = 0; 116 2 COM2.RX_Cnt = 0; C51 COMPILER V9.59.0.0 UART 03/09/2021 13:57:37 PAGE 3 117 2 COM2.RX_TimeOut = 0; 118 2 COM2.B_RX_OK = 0; 119 2 for(i=0; iUART_Mode == UART_9bit_BRTx) ||(COMx->UART_Mode == UART_8bit_BRTx)) //可变波特率 123 2 { 124 3 if(COMx->UART_Polity > Polity_3) return 2; //错误 125 3 UART2_Polity(COMx->UART_Polity); //指定中断优先级(低到高) Polity_0,Polity_1,Polity_2,Polity_3 126 3 if(COMx->UART_Mode == UART_9bit_BRTx) S2CON |= (1<<7); //9bit 127 3 else S2CON &= ~(1<<7); //8bit 128 3 j = (MAIN_Fosc / 4) / COMx->UART_BaudRate; //按1T计算 129 3 if(j >= 65536UL) return 2; //错误 130 3 j = 65536UL - j; 131 3 AUXR &= ~(1<<4); //Timer stop 132 3 AUXR &= ~(1<<3); //Timer2 set As Timer 133 3 AUXR |= (1<<2); //Timer2 set as 1T mode 134 3 TH2 = (u8)(j>>8); 135 3 TL2 = (u8)j; 136 3 IE2 &= ~(1<<2); //禁止中断 137 3 AUXR |= (1<<4); //Timer run enable 138 3 } 139 2 else return 2; //模式错误 140 2 if(COMx->UART_Interrupt == ENABLE) IE2 |= 1; //允许中断 141 2 else IE2 &= ~1; //禁止中断 142 2 if(COMx->UART_RxEnable == ENABLE) S2CON |= (1<<4); //允许接收 143 2 else S2CON &= ~(1<<4); //禁止接收 144 2 P_SW2 = (P_SW2 & ~1) | (COMx->UART_P_SW & 0x01); //切换IO 145 2 return 0; 146 2 } 147 1 #endif 148 1 #ifdef UART3 if(UARTx == UART3) { COM3.id = 3; COM3.TX_read = 0; COM3.TX_write = 0; COM3.B_TX_busy = 0; COM3.RX_Cnt = 0; COM3.RX_TimeOut = 0; COM3.B_RX_OK = 0; for(i=0; iUART_Mode == UART_9bit_BRTx) || (COMx->UART_Mode == UART_8bit_BRTx)) //可变波特率 { if(COMx->UART_Polity > Polity_3) return 2; //错误 UART3_Polity(COMx->UART_Polity); //指定中断优先级(低到高) Polity_0,Polity_1,Polity_2,Polity_3 if(COMx->UART_Mode == UART_9bit_BRTx) S3_9bit(); //9bit else S3_8bit(); //8bit j = (MAIN_Fosc / 4) / COMx->UART_BaudRate; //按1T计算 if(j >= 65536UL) return 2; //错误 j = 65536UL - j; if(COMx->UART_BRT_Use == BRT_Timer3) { S3_BRT_UseTimer3(); //S3 BRT Use Timer3; TH3 = (u8)(j>>8); TL3 = (u8)j; T4T3M &= 0xf0; T4T3M |= 0x0a; //Timer3 set As Timer, 1T mode, Start timer3 } else if(COMx->UART_BRT_Use == BRT_Timer2) C51 COMPILER V9.59.0.0 UART 03/09/2021 13:57:37 PAGE 4 { AUXR &= ~(1<<4); //Timer stop S3_BRT_UseTimer2(); //S3 BRT Use Timer2; AUXR &= ~(1<<3); //Timer2 set As Timer AUXR |= (1<<2); //Timer2 set as 1T mode TH2 = (u8)(j>>8); TL2 = (u8)j; IE2 &= ~(1<<2); //禁止中断 AUXR |= (1<<4); //Timer run enable } else return 2; //错误 } else return 2; //模式错误 if(COMx->UART_Interrupt == ENABLE) S3_Int_Enable(); //允许中断 else S3_Int_Disable(); //禁止中断 if(COMx->UART_RxEnable == ENABLE) S3_RX_Enable(); //允许接收 else S3_RX_Disable(); //禁止接收 P_SW2 = (P_SW2 & ~2) | (COMx->UART_P_SW & 0x02); //切换IO return 0; } #endif 200 1 #ifdef UART4 if(UARTx == UART4) { COM4.id = 3; COM4.TX_read = 0; COM4.TX_write = 0; COM4.B_TX_busy = 0; COM4.RX_Cnt = 0; COM4.RX_TimeOut = 0; COM4.B_RX_OK = 0; for(i=0; iUART_Mode == UART_9bit_BRTx) || (COMx->UART_Mode == UART_8bit_BRTx)) //可变波特率 { if(COMx->UART_Polity > Polity_3) return 2; //错误 UART4_Polity(COMx->UART_Polity); //指定中断优先级(低到高) Polity_0,Polity_1,Polity_2,Polity_3 if(COMx->UART_Mode == UART_9bit_BRTx) S4_9bit(); //9bit else S4_8bit(); //8bit j = (MAIN_Fosc / 4) / COMx->UART_BaudRate; //按1T计算 if(j >= 65536UL) return 2; //错误 j = 65536UL - j; if(COMx->UART_BRT_Use == BRT_Timer4) { S4_BRT_UseTimer4(); //S4 BRT Use Timer4; TH4 = (u8)(j>>8); TL4 = (u8)j; T4T3M &= 0x0f; T4T3M |= 0xa0; //Timer4 set As Timer, 1T mode, Start timer4 } else if(COMx->UART_BRT_Use == BRT_Timer2) { AUXR &= ~(1<<4); //Timer stop S4_BRT_UseTimer2(); //S4 BRT Use Timer2; AUXR &= ~(1<<3); //Timer2 set As Timer AUXR |= (1<<2); //Timer2 set as 1T mode TH2 = (u8)(j>>8); TL2 = (u8)j; IE2 &= ~(1<<2); //禁止中断 AUXR |= (1<<4); //Timer run enable } C51 COMPILER V9.59.0.0 UART 03/09/2021 13:57:37 PAGE 5 else return 2; //错误 } else return 2; //模式错误 if(COMx->UART_Interrupt == ENABLE) S4_Int_Enable(); //允许中断 else S4_Int_Disable(); //禁止中断 if(COMx->UART_RxEnable == ENABLE) S4_RX_Enable(); //允许接收 else S4_RX_Disable(); //禁止接收 P_SW2 = (P_SW2 & ~4) | (COMx->UART_P_SW & 0x04); //切换IO return 0; } #endif 252 1 return 2; //错误 253 1 } 254 255 /*********************************************************/ 256 257 /********************* UART1 函数 ************************/ 258 #ifdef UART1 void TX1_write2buff(u8 dat) //写入发送缓冲，指针+1 { TX1_Buffer[COM1.TX_write] = dat; //装发送缓冲 if(++COM1.TX_write >= COM_TX1_Lenth) COM1.TX_write = 0; if(COM1.B_TX_busy == 0) //空闲 { COM1.B_TX_busy = 1; //标志忙 TI = 1; //触发发送中断 } } void PrintString1(u8 *puts) { for (; *puts != 0; puts++) TX1_write2buff(*puts); //遇到停止符0结束 } void UART1_int (void) interrupt UART1_VECTOR { if(RI) { RI = 0; if(COM1.B_RX_OK == 0) { if(COM1.RX_Cnt >= COM_RX1_Lenth) COM1.RX_Cnt = 0; RX1_Buffer[COM1.RX_Cnt++] = SBUF; COM1.RX_TimeOut = TimeOutSet1; } } if(TI) { TI = 0; if(COM1.TX_read != COM1.TX_write) { SBUF = TX1_Buffer[COM1.TX_read]; if(++COM1.TX_read >= COM_TX1_Lenth) COM1.TX_read = 0; } else COM1.B_TX_busy = 0; } } #endif 301 302 /********************* UART2 函数 ************************/ C51 COMPILER V9.59.0.0 UART 03/09/2021 13:57:37 PAGE 6 303 #ifdef UART2 304 void TX2_write2buff(u8 dat) //写入发送缓冲，指针+1 305 { 306 1 TX2_Buffer[COM2.TX_write] = dat; //装发送缓冲 307 1 if(++COM2.TX_write >= COM_TX2_Lenth) COM2.TX_write = 0; 308 1 309 1 if(COM2.B_TX_busy == 0) //空闲 310 1 { 311 2 COM2.B_TX_busy = 1; //标志忙 312 2 SET_TI2(); //触发发送中断 313 2 } 314 1 } 315 316 void PrintString2(u8 *puts) 317 { 318 1 for (; *puts != 0; puts++) TX2_write2buff(*puts); //遇到停止符0结束 319 1 } 320 321 void UART2_int (void) interrupt UART2_VECTOR 322 { 323 1 if(RI2) 324 1 { 325 2 CLR_RI2(); 326 2 if(COM2.B_RX_OK == 0) 327 2 { 328 3 if(COM2.RX_Cnt >= COM_RX2_Lenth) COM2.RX_Cnt = 0; 329 3 RX2_Buffer[COM2.RX_Cnt++] = S2BUF; 330 3 COM2.RX_TimeOut = TimeOutSet2; 331 3 } 332 2 } 333 1 334 1 if(TI2) 335 1 { 336 2 CLR_TI2(); 337 2 if(COM2.TX_read != COM2.TX_write) 338 2 { 339 3 S2BUF = TX2_Buffer[COM2.TX_read]; 340 3 if(++COM2.TX_read >= COM_TX2_Lenth) COM2.TX_read = 0; 341 3 } 342 2 else COM2.B_TX_busy = 0; 343 2 } 344 1 } 345 #endif 346 347 /********************* UART3 函数 ************************/ 348 #ifdef UART3 void TX3_write2buff(u8 dat) //写入发送缓冲，指针+1 { TX3_Buffer[COM3.TX_write] = dat; //装发送缓冲 if(++COM3.TX_write >= COM_TX3_Lenth) COM3.TX_write = 0; if(COM3.B_TX_busy == 0) //空闲 { COM3.B_TX_busy = 1; //标志忙 SET_TI3(); //触发发送中断 } } void PrintString3(u8 *puts) { for (; *puts != 0; puts++) TX3_write2buff(*puts); //遇到停止符0结束 } C51 COMPILER V9.59.0.0 UART 03/09/2021 13:57:37 PAGE 7 void UART3_int (void) interrupt UART3_VECTOR { if(RI3) { CLR_RI3(); if(COM3.B_RX_OK == 0) { if(COM3.RX_Cnt >= COM_RX3_Lenth) COM3.RX_Cnt = 0; RX3_Buffer[COM3.RX_Cnt++] = S3BUF; COM3.RX_TimeOut = TimeOutSet3; } } if(TI3) { CLR_TI3(); if(COM3.TX_read != COM3.TX_write) { S3BUF = TX3_Buffer[COM3.TX_read]; if(++COM3.TX_read >= COM_TX3_Lenth) COM3.TX_read = 0; } else COM3.B_TX_busy = 0; } } #endif 391 392 /********************* UART4 函数 ************************/ 393 #ifdef UART4 void TX4_write2buff(u8 dat) //写入发送缓冲，指针+1 { TX4_Buffer[COM4.TX_write] = dat; //装发送缓冲 if(++COM4.TX_write >= COM_TX4_Lenth) COM4.TX_write = 0; if(COM4.B_TX_busy == 0) //空闲 { COM4.B_TX_busy = 1; //标志忙 SET_TI4(); //触发发送中断 } } void PrintString4(u8 *puts) { for (; *puts != 0; puts++) TX4_write2buff(*puts); //遇到停止符0结束 } void UART4_int (void) interrupt UART4_VECTOR { if(RI4) { CLR_RI4(); if(COM4.B_RX_OK == 0) { if(COM4.RX_Cnt >= COM_RX4_Lenth) COM4.RX_Cnt = 0; RX4_Buffer[COM4.RX_Cnt++] = S4BUF; COM4.RX_TimeOut = TimeOutSet4; } } if(TI4) { CLR_TI4(); C51 COMPILER V9.59.0.0 UART 03/09/2021 13:57:37 PAGE 8 if(COM4.TX_read != COM4.TX_write) { S4BUF = TX4_Buffer[COM4.TX_read]; if(++COM4.TX_read >= COM_TX4_Lenth) COM4.TX_read = 0; } else COM4.B_TX_busy = 0; } } #endif 436 437 /*********************************************************/ 438 /* 439 void COMx_write2buff(COMx_Define *COMx, u8 dat) //写入发送缓冲，指针+1 440 { 441 if(COMx->id == 1) TX1_write2buff(dat); 442 if(COMx->id == 2) TX2_write2buff(dat); 443 if(COMx->id == 3) TX3_write2buff(dat); 444 if(COMx->id == 4) TX4_write2buff(dat); 445 } 446 447 void PrintString(COMx_Define *COMx, u8 *puts) 448 { 449 for (; *puts != 0; puts++) COMx_write2buff(COMx,*puts); //遇到停止符0结束 450 } 451 */ MODULE INFORMATION: STATIC OVERLAYABLE CODE SIZE = 553 ---- CONSTANT SIZE = ---- ---- XDATA SIZE = 256 ---- PDATA SIZE = ---- ---- DATA SIZE = 7 7 IDATA SIZE = ---- ---- BIT SIZE = ---- ---- END OF MODULE INFORMATION. C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)