STC8H-ADC_UART.zip_STC_adc_uart

/*---------------------------------------------------------------------*/ /* --- STC MCU Limited ------------------------------------------------*/ /* --- STC 1T Series MCU Demo Programme -------------------------------*/ /* --- Mobile: (86)13922805190 ----------------------------------------*/ /* --- Fax: 86-0513-55012956,55012947,55012969 ------------------------*/ /* --- Tel: 86-0513-55012928,55012929,55012966 ------------------------*/ /* --- Web: www.STCMCU.com --------------------------------------------*/ /* --- Web: www.STCMCUDATA.com ---------------------------------------*/ /* --- QQ: 800003751 -------------------------------------------------*/ /* 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 */ /*---------------------------------------------------------------------*/ #include "UART.h" #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 #ifdef UART2 COMx_Define COM2; u8 xdata TX2_Buffer[COM_TX2_Lenth]; //发送缓冲 u8 xdata RX2_Buffer[COM_RX2_Lenth]; //接收缓冲 #endif #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 #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 u8 UART_Configuration(u8 UARTx, COMx_InitDefine *COMx) { u8 i; u32 j; #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; i<COM_TX1_Lenth; i++) TX1_Buffer[i] = 0; for(i=0; i<COM_RX1_Lenth; i++) RX1_Buffer[i] = 0; if(COMx->UART_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 #ifdef UART2 if(UARTx == UART2) { COM2.id = 2; COM2.TX_read = 0; COM2.TX_write = 0; COM2.B_TX_busy = 0; COM2.RX_Cnt = 0; COM2.RX_TimeOut = 0; COM2.B_RX_OK = 0; for(i=0; i<COM_TX2_Lenth; i++) TX2_Buffer[i] = 0; for(i=0; i<COM_RX2_Lenth; i++) RX2_Buffer[i] = 0; if((COMx->UART_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 UART2_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) S2CON |= (1<<7); //9bit else S2CON &= ~(1<<7); //8bit j = (MAIN_Fosc / 4) / COMx->UART_BaudRate; //按1T计算 if(j >= 65536UL) return 2; //错误 j = 65536UL - j; AUXR &= ~(1<<4); //Timer stop 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; //模式错误 if(COMx->UART_Interrupt == ENABLE) IE2 |= 1; //允许中断 else IE2 &= ~1; //禁止中断 if(COMx->UART_RxEnable == ENABLE) S2CON |= (1<<4); //允许接收 else S2CON &= ~(1<<4); //禁止接收 P_SW2 = (P_SW2 & ~1) | (COMx->UART_P_SW & 0x01); //切换IO return 0; } #endif #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; i<COM_TX3_Lenth; i++) TX3_Buffer[i] = 0; for(i=0; i<COM_RX3_Lenth; i++) RX3_Buffer[i] = 0; if((COMx->UART_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 = 0x0a; //Timer3 set As Timer, 1T mode, Start timer3 } else if(COMx->UART_BRT_Use == BRT_Timer2) { 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 #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; i<COM_TX4_Lenth; i++) TX4_Buffer[i] = 0; for(i=0; i<COM_RX4_Lenth; i++) RX4_Buffer[i] = 0; if((COMx->UART_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 = 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<<