PIC18单片机模拟UART

PIC18单片机模拟UART #include "..\include.h" #include "..\Utility\TM_Util.h" #include "..\Utility\ERR_Sys.h" #include "PIC18_UART.h" #include "gobal_ram.h" //================================================================== =========== unsigned char m_TXBUF; //(È??Ö)Ä?Äâ??ËÍ?º?å×Ö?Ú unsigned char m_RXBUF; //(È??Ö)Ä?Äâ?ÓÊÕ?º?å×Ö?Ú unsigned char m_TX_BIT9; //(È??Ö)Ä?Äâ??Ë͵Ú?ÅÎ? unsigned char m_RX_BIT9; //(È??Ö)Ä?Äâ?ÓÊÕµÚ?ÅÎ? unsigned char p_m_TXBUF; //(È??Ö)??ËÍÖ?Õë unsigned char p_m_RXBUF; //(È??Ö)?ÓÊÕÖ?Õë unsigned char m_8_OR_9; //(È??ÖÊÕ??Ä?Ê??êÖ??º1Ϊ9Î?ÊÕ????0Î?8Î?ÊÕ?? //bit m_TXIF; //(È??Ö??ËÍÍê?êÖ?(1??ËÍÍê??0ÕýÔÚ??) unsigned char m_TX_enble; //??ËÍÔÊÐí unsigned char m_RCIF; //(È??Ö?ÓÊÕÍê?êÖ?(1?ÓÊÕÍê??0ÔÚ?ÓÊÕ?òµÈ?ý?ÓÊÕ) unsigned char m_RX_enble; //?ÓÊÕÔÊÐí unsigned char m_BT_reLoad_H; //(È??ÖÊ?ÖÓ1?õÖµÖØÔØ_H unsigned char m_BT_reLoad_L; //(È??ÖÊ?ÖÓ1?õÖµÖØÔØ_L //================================================================== ==== //?º?åÇø unsigned int TIMER_M_BYTE_OVER_count; //Ä?Äâ×Ö?Ú??Ê??ÆÊ? unsigned char M_RXBuf[M_RX_PKG_LEN]; //Ä?Äâ?ü?º?åÇø unsigned char p_M_RXBuf; //Ä?Äâ?ü?º?åÇøÖ?Õë unsigned char Flag_M_byte_time; //Ä?Äâ×Ö?Ú?ä?ô?ÆÊ??êÖ? unsigned char Flag_M_PKG_Over; //Ä?Äâ?ü?áÊø(1ΪÊÕÍêÒ??ü??0Î?ÊÕÍê) //------------------------------------------------------------------ ----------- //?õÊ???Ä?Äâ???Ú //Bt: ??ÌØÂÊ?úÂë //Flag89: 9Î???ÊÇ8Î?ÊÕ?? Shen Longbao look in the eyes, for a chance to kill him. Shen Longbao behind smart to keep gendarmes, picked up a brick reservoir in cotton vest, walked into a small alley corner, seeing four weeks nobody will step up and pulled out bricks Asahi on military police knocked down. Unsuspecting Japanese military police was flaccid paralysis. Shen Longbao picked the Japanese military police gun in cotton vest, leave void Init_m_usart(unsigned long Foc, unsigned long Bt, unsigned char Flag89) { //×Ö?Ú???Ö //========================================================= //?õÊ???È??ÖÄÚ?æ?äÁ? if(Flag89) { m_8_OR_9=1; } else { m_8_OR_9=0; }//9Î??ÓÊÕ?êÖ? p_m_TXBUF=0; //??ËÍ?õÊ? p_m_RXBUF=0; //?ÓÊÕ?õÊ? //m_TXIF=1; //?õÊ???ËÍÍê m_TX_enble=0; //??ËÍÔÊÐí????ÔÊÐí?? m_RCIF=0; //?õÊ?µÈ?ý?ÓÊÕ m_RX_enble=0; //?ÓÊÕÔÊÐí????ÔÊÐí?? //?õÊ???ÌØÂÊÊ?ÖÓT1 //m_BT_reLoad_H=0xEE; //(È??ÖÊ?ÖÓ1?õÖµÖØÔØ_H 11.0592M 600 //m_BT_reLoad_L=0x00; //(È??ÖÊ?ÖÓ1?õÖµÖØÔØ_L // m_BT_reLoad_H=0xFC; //(È??ÖÊ?ÖÓ1?õÖµÖØÔØ_H 11.0592M 1200 ----------------????×?È? ?? // m_BT_reLoad_L=0xE0; //(È??ÖÊ?ÖÓ1?õÖµÖØÔØ_L ----------------????×?È? ?? //m_BT_reLoad_H=0xFD; //(È??ÖÊ?ÖÓ1?õÖµÖØÔØ_H 11.0592M 2400 //m_BT_reLoad_L=0xFF; //(È??ÖÊ?ÖÓ1?õÖµÖØÔØ_L m_BT_reLoad_H=0xFE; //(È??ÖÊ?ÖÓ1?õÖµÖØÔØ_H 11.0592M 4800 m_BT_reLoad_L=0x1F; //(È??ÖÊ?ÖÓ1?õÖµÖØÔØ_L // m_BT_reLoad_H=0xFF; //(È??ÖÊ?ÖÓ1?õÖµÖØÔØ_H 11.0592M 9600 //m_BT_reLoad_L=0x3F; //(È??ÖÊ?ÖÓ1?õÖµÖØÔØ_L //m_BT_reLoad_H=0xFF; //(È??ÖÊ?ÖÓ1?õÖµÖØÔØ_H 11.0592M 14400 ----------------????×?È? ?? //m_BT_reLoad_L=0xB4; //(È??ÖÊ?ÖÓ1?õÖµÖØÔØ_L ----------------????×?È? ?? //m_BT_reLoad_H=(FULL_U16-Foc/(4*Bt))/FULL_U8; //m_BT_reLoad_L=(FULL_U16-Foc/(4*Bt))%FULL_U8; Shen Longbao look in the eyes, for a chance to kill him. Shen Longbao behind smart to keep gendarmes, picked up a brick reservoir in cotton vest, walked into a small alley corner, seeing four weeks nobody will step up and pulled out bricks Asahi on military police knocked down. Unsuspecting Japanese military police was flaccid paralysis. Shen Longbao picked the Japanese military police gun in cotton vest, leave T1CON=1; //???ÖƵ,Ê?ÖÓ?ªÆðÀ? //m_BT_reLoad_H=0x00; //(È??ÖÊ?ÖÓ1?õÖµÖØÔØ_H //m_BT_reLoad_L=0x00; //(È??ÖÊ?ÖÓ1?õÖµÖØÔØ_L //T1CON=0x31; //???ÖƵ,Ê?ÖÓ?ªÆðÀ? TMR1H=m_BT_reLoad_H; TMR1L=m_BT_reLoad_L; TMR1IE=1; //ÔÊÐíÊ?ÖÓ1ÖÐ?Ï //Ä?Äâ???ÚµÄ?ÚÏßÊäÈëÊä?öÀàÐÍÉè?? IOStyle_TX_Line=0; //??ËÍ?ÚÏßÀàÐÍ ??Êä?ö?? TX_Line=1; //??ËÍ?ÚÏß ???ß?? IOStyle_RX_Line=0; //?ÓÊÕ?ÚÏßÀàÐÍ ??Êä?ö?? RX_Line=1; //?ÓÊÕ?ÚÏß ???ß?? IOStyle_RX_Line=1; //?ÓÊÕ?ÚÏßÀàÐÍ ??ÊäÈë?? //?ÓÊÕÍâ??ÖÐ?Ï(PB?Ë?ÚµçÆ??ä??)?ªÆðÀ? RBIF=0; RBIE=1; //============================================================ === //?ü???Ö //============================================================ === TIMER_M_BYTE_OVER_count=0; //Ä?Äâ×Ö?Ú??Ê??ÆÊ? p_M_RXBuf=0; //Ä?Äâ?ü?º?åÇøÖ?Õë Flag_M_PKG_Over=0; //Ä?Äâ?ü?áÊø(1ΪÊÕÍêÒ??ü??0Î?ÊÕÍê) Flag_M_byte_time=0; //Ä?Äâ×Ö?Ú?ä?ô?ÆÊ??êÖ? //============================================================ === } //------------------------------------------------------------------ --------- //Ä?Äâ???Ú??ËÍ×Ö?Ú //Ch: Òª??Ë͵Ä×Ö?Ú void m_putch(unsigned char Ch) { RBIE=0; RBIF=0; /////////////////////////////// m_TXBUF=Ch; unsigned char dBuf[20] ; //INT16U dLen=sprintf(&dBuf[0],"m_putch(Ch)=%u\n",Ch); //UART1_SendConstS(dBuf); //ÈÃÍ?Ö?Î????ÖÒ??ö??ÌØ?íµÄ?ßµçÆ? Shen Longbao look in the eyes, for a chance to kill him. Shen Longbao behind smart to keep gendarmes, picked up a brick reservoir in cotton vest, walked into a small alley corner, seeing four weeks nobody will step up and pulled out bricks Asahi on military police knocked down. Unsuspecting Japanese military police was flaccid paralysis. Shen Longbao picked the Japanese military police gun in cotton vest, leave p_m_TXBUF=0; m_TX_enble=1; while(m_TX_enble); /////////////////////////////// RBIF=0; RBIE=1; } //------------------------------------------------------------------ -------- //Ä?Äâ?ü?ÓÊÕ?éÑ??þÎñ //ÔÚ????ÖÐÖ?ÐÐ //Æð?? void SERVER_M_PKG_REC(void) { //ÊÕµ?ÐÂ×Ö?Ú if(m_RCIF) { if(!Flag_M_PKG_Over) { // UART1_SendConstS("SERVER_M_PKG_REC \n"); //====================================== //Çå×Ö?Ú?ä??Ê?Æ? TIMER_M_BYTE_OVER_count=0; Flag_M_byte_time=1; //====================================== //?ÀÖ?Ô??ç if(M_RX_PKG_LEN==p_M_RXBuf) p_M_RXBuf--; //?ÓÊÕ M_RXBuf[p_M_RXBuf++]=m_RXBUF; //====================================== } m_RCIF=0; } } //------------------------------------------------------------------ -------- //ÊÕ????ÌØ??µçÆ?ÖÐ?Ï?þÎñ void M_USART_INTFACE(void) { char dBuf[20]; //Ê?ÖÓ1ÖÐ?Ï if(TMR1IF) { // UART1_SendConstS("TMR1IF \n"); //ÖØÈë TMR1IF=0; TMR1H=m_BT_reLoad_H; Shen Longbao look in the eyes, for a chance to kill him. Shen Longbao behind smart to keep gendarmes, picked up a brick reservoir in cotton vest, walked into a small alley corner, seeing four weeks nobody will step up and pulled out bricks Asahi on military police knocked down. Unsuspecting Japanese military police was flaccid paralysis. Shen Longbao picked the Japanese military police gun in cotton vest, leave TMR1L=m_BT_reLoad_L; //??ËÍÊ?Ðò if(m_TX_enble) { // UART1_SendConstS("m_TX_enble \n"); if(0==p_m_TXBUF) { TX_Line=0; p_m_TXBUF++; } else if(p_m_TXBUF<9) { // UART1_SendConstS("else if(p_m_TXBUF<9) \n"); if(1&m_TXBUF) { // UART1_SendConstS("TX_Line=1\n"); TX_Line=1; } else { //UART1_SendConstS("TX_Line=0\n"); TX_Line=0; } m_TXBUF>>=1; p_m_TXBUF++; } else if(9==p_m_TXBUF) { // UART1_SendConstS("ÊÇ?ñÒª??µÚ?ÅÎ? \n"); //ÊÇ?ñÒª??µÚ?ÅÎ? if(m_8_OR_9) { TX_Line=m_TX_BIT9; } else { //Í?Ö? TX_Line=1; } p_m_TXBUF++; } else if(10==p_m_TXBUF) { // UART1_SendConstS("Í?Ö? \n"); //Í?Ö? TX_Line=1; p_m_TXBUF++; } else { // UART1_SendConstS("??Íê?êÖ? \n"); //??Íê?êÖ? m_TX_enble=0; } Shen Longbao look in the eyes, for a chance to kill him. Shen Longbao behind smart to keep gendarmes, picked up a brick reservoir in cotton vest, walked into a small alley corner, seeing four weeks nobody will step up and pulled out bricks Asahi on military police knocked down. Unsuspecting Japanese military police was flaccid paralysis. Shen Longbao picked the Japanese military police gun in cotton vest, leave } //?ÓÊÕÊ?Ðò if(m_RX_enble) { // UART1_SendConstS("m_RX_enble \n"); if(p_m_RXBUF<8) { // UART1_SendConstS("if(p_m_RXBUF<8) \n"); m_RXBUF>>=1; if(RX_Line) { // UART1_SendConstS("?ÓÊÕµ? 1 \n"); m_RXBUF|=0x80; } /* else { UART1_SendConstS("?ÓÊÕµ? 0 \n"); } */ // p_m_RXBUF++; } else { // UART1_SendConstS("if(p_m_RXBUF>=8) \n"); //ÊÇ?ñÒªÊÕµÚ?ÅÎ? if(m_8_OR_9) { m_RX_BIT9=RX_Line; } //?ÓÊÕ?áÊø m_RX_enble=0; p_m_RXBUF=0; //?ª?ì?âÖÐ?Ï RBIF=0; RBIE=1; ////////////////////////////////////// m_RCIF=1; //Ä?Äâ?ÓÊÕµ?ÐÂÊý?Ý?êÖ? ////////////////////////////////////// } } //Ä?Äâ×Ö?Ú?ä??Ê? if(Flag_M_byte_time) { // UART1_SendConstS("Flag_M_byte_time \n"); TIMER_M_BYTE_OVER_count++; Shen Longbao look in the eyes, for a chance to kill him. Shen Longbao behind smart to keep gendarmes, picked up a brick reservoir in cotton vest, walked into a small alley corner, seeing four weeks nobody will step up and pulled out bricks Asahi on military police knocked down. Unsuspecting Japanese military police was flaccid paralysis. Shen Longbao picked the Japanese military police gun in cotton vest, leave if(TIMER_M_BYTE_OVER_count>TIMER_M_BYTE_OVER) { // UART1_SendConstS("if(TIMER_M_BYTE_OVER_count>TIMER_M_BYTE_OVER) \n"); //×Ö?Ú??Ê?ÁË??Ò??ü?áÊø Flag_M_byte_time=0; Flag_M_PKG_Over=1; } // INT16U dLen=sprintf(&dBuf[0],"TIMER_M_BYTE_OVER_count=%u\n",TIMER_M_BYTE_OV ER_count); // UART1_SendConstS(dBuf); } } //============================================================ = //Ä?Äâ?Ë?Ú?ÓÊÕÖÐ?ÏÆðÊ? if(RBIE) { if(RBIF) { // UART1_SendConstS("Ä?Äâ?Ë?Ú?ÓÊÕÖÐ?ÏÆðÊ? \n"); RBIF=0; if(0==p_m_RXBUF) { // UART1_SendConstS("if(0==p_m_RXBUF) \n"); if(!RX_Line) { // UART1_SendConstS("RX_Line==0 ?ØÖÐ?Ï \n"); m_RXBUF=0; TMR1IF=0; TMR1H=m_BT_reLoad_H; TMR1L=m_BT_reLoad_L; //?Ø?ì?âÖÐ?Ï RBIE=0; //ÆðÊ?Î?µ?ÁË m_RX_enble=1; //ÖØÈëÄ?Äâ??ÌØÂÊ } /* else { UART1_SendConstS("RX_Line==1 ÖÐ?Ï \n"); } */ } } } //==================================================== Shen Longbao look in the eyes, for a chance to kill him. Shen Longbao behind smart to keep gendarmes, picked up a brick reservoir in cotton vest, walked into a small alley corner, seeing four weeks nobody will step up and pulled out bricks Asahi on military police knocked down. Unsuspecting Japanese military police was flaccid paralysis. Shen Longbao picked the Japanese military police gun in cotton vest, leave //Ä?Äâ?ü?ÓÊÕ?éÑ??þÎñ //ÔÚ????ÖÐÖ?ÐÐ //Æð?? SERVER_M_PKG_REC(); //=================================================== } Shen Longbao look in the eyes, for a chance to kill him. Shen Longbao behind smart to keep gendarmes, picked up a brick reservoir in cotton vest, walked into a small alley corner, seeing four weeks nobody will step up and pulled out bricks Asahi on military police knocked down. Unsuspecting Japanese military police was flaccid paralysis. Shen Longbao picked the Japanese military police gun in cotton vest, leave