496 lines
21 KiB
Plaintext
496 lines
21 KiB
Plaintext
C51 COMPILER V9.60.0.0 UART 03/23/2023 13:25:30 PAGE 1
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C51 COMPILER V9.60.0.0, 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 mycode\UART.C OPTIMIZE(8,SPEED) BROWSE INCDIR(.\myinc) DEBUG OBJECTEXTEN
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-D PRINT(.\Listings\UART.lst) TABS(2) OBJECT(.\Objects\UART.obj)
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line level source
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1 /*---------------------------------------------------------------------*/
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2 /* --- STC MCU Limited ------------------------------------------------*/
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3 /* --- STC 1T Series MCU Demo Programme -------------------------------*/
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4 /* --- Mobile: (86)13922805190 ----------------------------------------*/
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5 /* --- Fax: 86-0513-55012956,55012947,55012969 ------------------------*/
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6 /* --- Tel: 86-0513-55012928,55012929,55012966 ------------------------*/
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7 /* --- Web: www.STCMCU.com --------------------------------------------*/
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8 /* --- Web: www.STCMCUDATA.com ---------------------------------------*/
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9 /* --- QQ: 800003751 -------------------------------------------------*/
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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 */
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11 /*---------------------------------------------------------------------*/
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12
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13 #include "UART.h"
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14 #include "STDIO.H"
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15
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16 #ifdef UART1
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17 COMx_Define COM1;
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18 u8 xdata TX1_Buffer[COM_TX1_Lenth]; //发送缓冲
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19 u8 xdata RX1_Buffer[COM_RX1_Lenth]; //接收缓冲
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20 #endif
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21 #ifdef UART2
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COMx_Define COM2;
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u8 xdata TX2_Buffer[COM_TX2_Lenth]; //发送缓冲
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u8 xdata RX2_Buffer[COM_RX2_Lenth]; //接收缓冲
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#endif
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26 #ifdef UART3
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COMx_Define COM3;
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u8 xdata TX3_Buffer[COM_TX3_Lenth]; //发送缓冲
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u8 xdata RX3_Buffer[COM_RX3_Lenth]; //接收缓冲
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#endif
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31 #ifdef UART4
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COMx_Define COM4;
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u8 xdata TX4_Buffer[COM_TX4_Lenth]; //发送缓冲
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u8 xdata RX4_Buffer[COM_RX4_Lenth]; //接收缓冲
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#endif
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36
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37 u8 UART_Configuration(u8 UARTx, COMx_InitDefine *COMx)
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38 {
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39 1 u8 i;
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40 1 u32 j;
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41 1
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42 1 #ifdef UART1
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43 1 if(UARTx == UART1)
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44 1 {
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45 2 COM1.id = 1;
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46 2 COM1.TX_read = 0;
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47 2 COM1.TX_write = 0;
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48 2 COM1.B_TX_busy = 0;
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49 2 COM1.RX_Cnt = 0;
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50 2 COM1.RX_TimeOut = 0;
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51 2 COM1.B_RX_OK = 0;
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52 2 for(i=0; i<COM_TX1_Lenth; i++) TX1_Buffer[i] = 0;
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53 2 for(i=0; i<COM_RX1_Lenth; i++) RX1_Buffer[i] = 0;
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54 2
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C51 COMPILER V9.60.0.0 UART 03/23/2023 13:25:30 PAGE 2
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55 2 if(COMx->UART_Priority > Priority_3) return 2; //错误
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56 2 UART1_Priority(COMx->UART_Priority); //指定中断优先级(低到高) Priority_0,Priority_1,Priority_2,Priority_
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-3
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57 2 if(COMx->UART_Mode > UART_9bit_BRTx) return 2; //模式错误
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58 2 SCON = (SCON & 0x3f) | COMx->UART_Mode;
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59 2 if((COMx->UART_Mode == UART_9bit_BRTx) || (COMx->UART_Mode == UART_8bit_BRTx)) //可变波特率
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60 2 {
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61 3 j = (MAIN_Fosc / 4) / COMx->UART_BaudRate; //按1T计算
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62 3 if(j >= 65536UL) return 2; //错误
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63 3 j = 65536UL - j;
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64 3 if(COMx->UART_BRT_Use == BRT_Timer1)
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65 3 {
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66 4 TR1 = 0;
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67 4 AUXR &= ~0x01; //S1 BRT Use Timer1;
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68 4 TMOD &= ~(1<<6); //Timer1 set As Timer
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69 4 TMOD &= ~0x30; //Timer1_16bitAutoReload;
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70 4 AUXR |= (1<<6); //Timer1 set as 1T mode
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71 4 TH1 = (u8)(j>>8);
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72 4 TL1 = (u8)j;
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73 4 ET1 = 0; //禁止中断
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74 4 TMOD &= ~0x40; //定时
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75 4 INT_CLKO &= ~0x02; //不输出时钟
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76 4 TR1 = 1;
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77 4 }
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78 3 else if(COMx->UART_BRT_Use == BRT_Timer2)
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79 3 {
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80 4 AUXR &= ~(1<<4); //Timer stop
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81 4 AUXR |= 0x01; //S1 BRT Use Timer2;
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82 4 AUXR &= ~(1<<3); //Timer2 set As Timer
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83 4 AUXR |= (1<<2); //Timer2 set as 1T mode
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84 4 TH2 = (u8)(j>>8);
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85 4 TL2 = (u8)j;
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86 4 IE2 &= ~(1<<2); //禁止中断
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87 4 AUXR |= (1<<4); //Timer run enable
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88 4 }
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89 3 else return 2; //错误
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90 3 }
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91 2 else if(COMx->UART_Mode == UART_ShiftRight)
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92 2 {
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93 3 if(COMx->BaudRateDouble == ENABLE) AUXR |= (1<<5); //固定波特率SysClk/2
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94 3 else AUXR &= ~(1<<5); //固定波特率SysClk/12
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95 3 }
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96 2 else if(COMx->UART_Mode == UART_9bit) //固定波特率SysClk*2^SMOD/64
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97 2 {
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98 3 if(COMx->BaudRateDouble == ENABLE) PCON |= (1<<7); //固定波特率SysClk/32
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99 3 else PCON &= ~(1<<7); //固定波特率SysClk/64
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100 3 }
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101 2 if(COMx->UART_Interrupt == ENABLE) ES = 1; //允许中断
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102 2 else ES = 0; //禁止中断
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103 2 if(COMx->UART_RxEnable == ENABLE) REN = 1; //允许接收
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104 2 else REN = 0; //禁止接收
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105 2 P_SW1 = (P_SW1 & 0x3f) | (COMx->UART_P_SW & 0xc0); //切换IO
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106 2 return 0;
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107 2 }
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108 1 #endif
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109 1 #ifdef UART2
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if(UARTx == UART2)
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{
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COM2.id = 2;
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COM2.TX_read = 0;
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COM2.TX_write = 0;
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COM2.B_TX_busy = 0;
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C51 COMPILER V9.60.0.0 UART 03/23/2023 13:25:30 PAGE 3
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COM2.RX_Cnt = 0;
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COM2.RX_TimeOut = 0;
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COM2.B_RX_OK = 0;
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for(i=0; i<COM_TX2_Lenth; i++) TX2_Buffer[i] = 0;
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for(i=0; i<COM_RX2_Lenth; i++) RX2_Buffer[i] = 0;
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if((COMx->UART_Mode == UART_9bit_BRTx) ||(COMx->UART_Mode == UART_8bit_BRTx)) //可变波特率
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{
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if(COMx->UART_Priority > Priority_3) return 2; //错误
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UART2_Priority(COMx->UART_Priority); //指定中断优先级(低到高) Priority_0,Priority_1,Priority_2,Priority
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-_3
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if(COMx->UART_Mode == UART_9bit_BRTx) S2CON |= (1<<7); //9bit
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else S2CON &= ~(1<<7); //8bit
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j = (MAIN_Fosc / 4) / COMx->UART_BaudRate; //按1T计算
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if(j >= 65536UL) return 2; //错误
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j = 65536UL - j;
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AUXR &= ~(1<<4); //Timer stop
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AUXR &= ~(1<<3); //Timer2 set As Timer
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AUXR |= (1<<2); //Timer2 set as 1T mode
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TH2 = (u8)(j>>8);
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TL2 = (u8)j;
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IE2 &= ~(1<<2); //禁止中断
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AUXR |= (1<<4); //Timer run enable
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}
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else return 2; //模式错误
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if(COMx->UART_Interrupt == ENABLE) IE2 |= 1; //允许中断
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else IE2 &= ~1; //禁止中断
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if(COMx->UART_RxEnable == ENABLE) S2CON |= (1<<4); //允许接收
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else S2CON &= ~(1<<4); //禁止接收
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P_SW2 = (P_SW2 & ~1) | (COMx->UART_P_SW & 0x01); //切换IO
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return 0;
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}
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#endif
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148 1 #ifdef UART3
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if(UARTx == UART3)
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{
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COM3.id = 3;
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COM3.TX_read = 0;
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COM3.TX_write = 0;
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COM3.B_TX_busy = 0;
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COM3.RX_Cnt = 0;
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COM3.RX_TimeOut = 0;
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COM3.B_RX_OK = 0;
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for(i=0; i<COM_TX3_Lenth; i++) TX3_Buffer[i] = 0;
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for(i=0; i<COM_RX3_Lenth; i++) RX3_Buffer[i] = 0;
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if((COMx->UART_Mode == UART_9bit_BRTx) || (COMx->UART_Mode == UART_8bit_BRTx)) //可变波特率
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{
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if(COMx->UART_Priority > Priority_3) return 2; //错误
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UART3_Priority(COMx->UART_Priority); //指定中断优先级(低到高) Priority_0,Priority_1,Priority_2,Priority
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-_3
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if(COMx->UART_Mode == UART_9bit_BRTx) S3_9bit(); //9bit
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else S3_8bit(); //8bit
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j = (MAIN_Fosc / 4) / COMx->UART_BaudRate; //按1T计算
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if(j >= 65536UL) return 2; //错误
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j = 65536UL - j;
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if(COMx->UART_BRT_Use == BRT_Timer3)
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{
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S3_BRT_UseTimer3(); //S3 BRT Use Timer3;
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TH3 = (u8)(j>>8);
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TL3 = (u8)j;
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T4T3M &= 0xf0;
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C51 COMPILER V9.60.0.0 UART 03/23/2023 13:25:30 PAGE 4
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T4T3M |= 0x0a; //Timer3 set As Timer, 1T mode, Start timer3
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}
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else if(COMx->UART_BRT_Use == BRT_Timer2)
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{
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AUXR &= ~(1<<4); //Timer stop
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S3_BRT_UseTimer2(); //S3 BRT Use Timer2;
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AUXR &= ~(1<<3); //Timer2 set As Timer
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AUXR |= (1<<2); //Timer2 set as 1T mode
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TH2 = (u8)(j>>8);
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TL2 = (u8)j;
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IE2 &= ~(1<<2); //禁止中断
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AUXR |= (1<<4); //Timer run enable
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}
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else return 2; //错误
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}
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else return 2; //模式错误
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if(COMx->UART_Interrupt == ENABLE) S3_Int_Enable(); //允许中断
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else S3_Int_Disable(); //禁止中断
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if(COMx->UART_RxEnable == ENABLE) S3_RX_Enable(); //允许接收
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else S3_RX_Disable(); //禁止接收
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P_SW2 = (P_SW2 & ~2) | (COMx->UART_P_SW & 0x02); //切换IO
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return 0;
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}
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#endif
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200 1 #ifdef UART4
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if(UARTx == UART4)
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{
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COM4.id = 3;
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COM4.TX_read = 0;
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COM4.TX_write = 0;
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COM4.B_TX_busy = 0;
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COM4.RX_Cnt = 0;
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COM4.RX_TimeOut = 0;
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COM4.B_RX_OK = 0;
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for(i=0; i<COM_TX4_Lenth; i++) TX4_Buffer[i] = 0;
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for(i=0; i<COM_RX4_Lenth; i++) RX4_Buffer[i] = 0;
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if((COMx->UART_Mode == UART_9bit_BRTx) || (COMx->UART_Mode == UART_8bit_BRTx)) //可变波特率
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{
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if(COMx->UART_Priority > Priority_3) return 2; //错误
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UART4_Priority(COMx->UART_Priority); //指定中断优先级(低到高) Priority_0,Priority_1,Priority_2,Priority
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-_3
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if(COMx->UART_Mode == UART_9bit_BRTx) S4_9bit(); //9bit
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else S4_8bit(); //8bit
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j = (MAIN_Fosc / 4) / COMx->UART_BaudRate; //按1T计算
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if(j >= 65536UL) return 2; //错误
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j = 65536UL - j;
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if(COMx->UART_BRT_Use == BRT_Timer4)
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{
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S4_BRT_UseTimer4(); //S4 BRT Use Timer4;
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TH4 = (u8)(j>>8);
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TL4 = (u8)j;
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T4T3M &= 0x0f;
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T4T3M |= 0xa0; //Timer4 set As Timer, 1T mode, Start timer4
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}
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else if(COMx->UART_BRT_Use == BRT_Timer2)
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{
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AUXR &= ~(1<<4); //Timer stop
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S4_BRT_UseTimer2(); //S4 BRT Use Timer2;
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AUXR &= ~(1<<3); //Timer2 set As Timer
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AUXR |= (1<<2); //Timer2 set as 1T mode
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TH2 = (u8)(j>>8);
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C51 COMPILER V9.60.0.0 UART 03/23/2023 13:25:30 PAGE 5
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TL2 = (u8)j;
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IE2 &= ~(1<<2); //禁止中断
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AUXR |= (1<<4); //Timer run enable
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}
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else return 2; //错误
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}
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else return 2; //模式错误
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if(COMx->UART_Interrupt == ENABLE) S4_Int_Enable(); //允许中断
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else S4_Int_Disable(); //禁止中断
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if(COMx->UART_RxEnable == ENABLE) S4_RX_Enable(); //允许接收
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else S4_RX_Disable(); //禁止接收
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P_SW2 = (P_SW2 & ~4) | (COMx->UART_P_SW & 0x04); //切换IO
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return 0;
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}
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#endif
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252 1 return 2; //错误
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253 1 }
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254
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255 /*********************************************************/
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256
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257 /********************* UART1 函数 ************************/
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258 #ifdef UART1
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259 void TX1_write2buff(u8 dat) //写入发送缓冲，指针+1
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260 {
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261 1 TX1_Buffer[COM1.TX_write] = dat; //装发送缓冲
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262 1 if(++COM1.TX_write >= COM_TX1_Lenth) COM1.TX_write = 0;
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263 1
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264 1 if(COM1.B_TX_busy == 0) //空闲
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265 1 {
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266 2 COM1.B_TX_busy = 1; //标志忙
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267 2 TI = 1; //触发发送中断
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268 2 }
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269 1 }
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270
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271 void PrintString1(u8 *puts)
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272 {
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273 1 for (; *puts != 0; puts++) TX1_write2buff(*puts); //遇到停止符0结束
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274 1 }
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275
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276 void UART1_int (void) interrupt UART1_VECTOR
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277 {
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278 1 if(RI)
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279 1 {
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280 2 RI = 0;
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281 2 if(COM1.B_RX_OK == 0)
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282 2 {
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283 3 if(COM1.RX_Cnt >= COM_RX1_Lenth) COM1.RX_Cnt = 0;
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284 3 RX1_Buffer[COM1.RX_Cnt++] = SBUF;
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285 3 COM1.RX_TimeOut = TimeOutSet1;
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286 3 }
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287 2 }
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288 1
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289 1 if(TI)
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290 1 {
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291 2 TI = 0;
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292 2 if(COM1.TX_read != COM1.TX_write)
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293 2 {
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294 3 SBUF = TX1_Buffer[COM1.TX_read];
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295 3 if(++COM1.TX_read >= COM_TX1_Lenth) COM1.TX_read = 0;
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296 3 }
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297 2 else COM1.B_TX_busy = 0;
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298 2 }
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C51 COMPILER V9.60.0.0 UART 03/23/2023 13:25:30 PAGE 6
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299 1 }
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300 #endif
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301
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302 /********************* UART2 函数 ************************/
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303 #ifdef UART2
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void TX2_write2buff(u8 dat) //写入发送缓冲，指针+1
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{
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TX2_Buffer[COM2.TX_write] = dat; //装发送缓冲
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if(++COM2.TX_write >= COM_TX2_Lenth) COM2.TX_write = 0;
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if(COM2.B_TX_busy == 0) //空闲
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{
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COM2.B_TX_busy = 1; //标志忙
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SET_TI2(); //触发发送中断
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}
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}
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void PrintString2(u8 *puts)
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{
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for (; *puts != 0; puts++) TX2_write2buff(*puts); //遇到停止符0结束
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}
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void UART2_int (void) interrupt UART2_VECTOR
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{
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if(RI2)
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{
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CLR_RI2();
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if(COM2.B_RX_OK == 0)
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{
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if(COM2.RX_Cnt >= COM_RX2_Lenth) COM2.RX_Cnt = 0;
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RX2_Buffer[COM2.RX_Cnt++] = S2BUF;
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COM2.RX_TimeOut = TimeOutSet2;
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}
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}
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if(TI2)
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{
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CLR_TI2();
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if(COM2.TX_read != COM2.TX_write)
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{
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S2BUF = TX2_Buffer[COM2.TX_read];
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if(++COM2.TX_read >= COM_TX2_Lenth) COM2.TX_read = 0;
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}
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else COM2.B_TX_busy = 0;
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}
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}
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#endif
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346
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347 /********************* UART3 函数 ************************/
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348 #ifdef UART3
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void TX3_write2buff(u8 dat) //写入发送缓冲，指针+1
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{
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TX3_Buffer[COM3.TX_write] = dat; //装发送缓冲
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if(++COM3.TX_write >= COM_TX3_Lenth) COM3.TX_write = 0;
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if(COM3.B_TX_busy == 0) //空闲
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{
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COM3.B_TX_busy = 1; //标志忙
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SET_TI3(); //触发发送中断
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}
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}
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C51 COMPILER V9.60.0.0 UART 03/23/2023 13:25:30 PAGE 7
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void PrintString3(u8 *puts)
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{
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for (; *puts != 0; puts++) TX3_write2buff(*puts); //遇到停止符0结束
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}
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void UART3_int (void) interrupt UART3_VECTOR
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{
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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;
|
||
}
|
||
}
|
||
C51 COMPILER V9.60.0.0 UART 03/23/2023 13:25:30 PAGE 8
|
||
|
||
|
||
if(TI4)
|
||
{
|
||
CLR_TI4();
|
||
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 void UART_config(void)
|
||
437 {
|
||
438 1 COMx_InitDefine COMx_InitStructure;
|
||
439 1 COMx_InitStructure.UART_Mode = UART_8bit_BRTx;
|
||
440 1 COMx_InitStructure.UART_BRT_Use = BRT_Timer1;
|
||
441 1 COMx_InitStructure.UART_BaudRate = 115200ul;
|
||
442 1 COMx_InitStructure.UART_RxEnable = ENABLE;
|
||
443 1 COMx_InitStructure.BaudRateDouble = DISABLE;
|
||
444 1 COMx_InitStructure.UART_Interrupt = ENABLE;
|
||
445 1 COMx_InitStructure.UART_Priority = Priority_0;
|
||
446 1 COMx_InitStructure.UART_P_SW = UART1_SW_P30_P31;
|
||
447 1 UART_Configuration(UART1, &COMx_InitStructure);
|
||
448 1 }
|
||
449 char putchar(char c)
|
||
450 {
|
||
451 1 TX1_write2buff(c);
|
||
452 1 return c;
|
||
453 1 }
|
||
|
||
|
||
MODULE INFORMATION: STATIC OVERLAYABLE
|
||
CODE SIZE = 726 ----
|
||
CONSTANT SIZE = ---- ----
|
||
XDATA SIZE = 64 ----
|
||
PDATA SIZE = ---- ----
|
||
DATA SIZE = 7 19
|
||
IDATA SIZE = ---- ----
|
||
BIT SIZE = ---- ----
|
||
END OF MODULE INFORMATION.
|
||
|
||
|
||
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
|