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454 lines
7.3 KiB
C
454 lines
7.3 KiB
C
/*
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*
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* (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include "misc.h"
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#include "glue.h"
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#include "head.h"
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static short out_refnum0 = -1;
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static short out_refnum1 = -1;
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#ifdef USE_CLI
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static short in_refnum0 = -1;
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static short in_refnum1 = -1;
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#endif
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#if USE_BUFFER
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#define BUFFER_LEN 80
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static char buffer[256];
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static int buff_len;
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#endif
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/*
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* Technical Note TN1119 "Serial Port Apocrypha"
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*
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* from http://developer.apple.com/technotes/tn/tn1119.html
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*
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* Inside Macintosh, Devices, "Using the Serial Driver" :
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*
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* http://developer.apple.com/documentation/mac/Devices/Devices-315.html
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*
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* OpenDriver:
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*
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* http://developer.apple.com/documentation/mac/Devices/Devices-23.html
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*
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*/
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OSErr OpenDriver(ConstStr255Param name, short *drvrRefNum)
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{
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OSErr err;
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ParamBlockRec param;
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memset(¶m, 0, sizeof(ParamBlockRec));
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param.ioNamePtr = (u_int32_t)name;
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param.ioPermssn = fsCurPerm;
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err = PBOpenSync(¶m);
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if (err != noErr)
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return err;
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*drvrRefNum = param.ioRefNum;
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return param.ioResult;
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}
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OSErr CloseDriver(short refNum)
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{
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OSErr err;
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ParamBlockRec param;
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memset(¶m, 0, sizeof(ParamBlockRec));
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param.ioRefNum = refNum;
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err = PBCloseSync(¶m);
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if (err != noErr)
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return err;
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return param.ioResult;
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}
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/*
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*
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* ".AOut" Serial port A (modem) output
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* ".AIn" Serial port A (modem) input
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* ".BOut" Serial port B (printer) output
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* ".BIn" Serial port B (printer) input
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*
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*/
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int setserial(short refNum, unsigned int bitrate, unsigned int datasize,
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int parity, int stopbits)
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{
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CntrlParam param;
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short seropts;
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int res;
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switch(bitrate)
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{
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case 150:
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seropts = baud150;
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break;
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case 300:
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seropts = baud300;
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break;
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case 600:
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seropts = baud600;
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break;
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case 1200:
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seropts = baud1200;
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break;
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case 1800:
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seropts = baud1800;
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break;
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case 2400:
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seropts = baud2400;
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break;
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case 3600:
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seropts = baud3600;
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break;
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case 4800:
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seropts = baud3600;
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break;
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case 7200:
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seropts = baud7200;
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break;
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case 9600:
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seropts = baud9600;
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break;
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case 14400:
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seropts = baud14400;
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break;
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case 19200:
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seropts = baud19200;
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break;
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case 28800:
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seropts = baud28800;
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break;
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case 38400:
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seropts = baud38400;
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break;
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case 57600:
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seropts = baud57600;
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break;
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default:
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seropts = baud9600;
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break;
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}
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switch(datasize)
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{
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case 5:
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seropts |= data5;
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break;
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case 6:
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seropts |= data6;
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break;
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case 7:
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seropts |= data7;
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break;
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case 8:
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seropts |= data8;
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break;
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default:
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seropts |= data8;
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break;
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}
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switch(parity)
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{
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case 0:
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seropts |= noParity;
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break;
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case 1:
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seropts |= oddParity;
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break;
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case 2:
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seropts |= evenParity;
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break;
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}
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switch(stopbits)
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{
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case 0:
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seropts |= stop10;
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break;
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case 1:
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seropts |= stop15;
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break;
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case 2:
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seropts |= stop20;
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break;
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}
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param.csCode = kSERDConfiguration;
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param.csParam[0] = seropts;
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param.ioCRefNum = refNum;
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param.ioVRefNum = 0;
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param.ioCompletion = 0;
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res = PBControlSync((ParmBlkPtr)¶m);
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return res;
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}
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ssize_t write(int fd, const void *buf, size_t count)
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{
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int res;
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ParamBlockRec param;
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param.ioCompletion = 0;
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param.ioVRefNum = 0;
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param.ioRefNum = fd;
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param.ioBuffer = (u_int32_t)buf;
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param.ioReqCount= count;
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param.ioPosMode = fsAtMark;
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param.ioPosOffset = 0;
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res = PBWriteSync(¶m);
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if (res != noErr)
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return 0;
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return param.ioActCount;
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}
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#ifdef USE_CLI
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static OSErr SerGetBuf(short refNum, long *count)
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{
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int res;
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CntrlParam param;
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param.ioCompletion = 0;
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param.ioVRefNum = 0;
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param.ioCRefNum = refNum;
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param.csCode = kSERDInputCount;
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res = PBStatusSync((ParmBlkPtr)¶m);
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*count = *(long*)¶m.csParam;
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return res;
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}
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ssize_t read(int fd, void *buf, size_t count)
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{
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int res;
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ParamBlockRec param;
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long available;
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res = SerGetBuf(fd, &available);
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if ( (res != noErr) || (available == 0) )
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return 0;
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param.ioCompletion = 0;
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param.ioVRefNum = 0;
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param.ioRefNum = fd;
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param.ioBuffer = (u_int32_t)buf;
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param.ioReqCount= count > available ? available : count;
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param.ioPosMode = fsAtMark;
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param.ioPosOffset = 0;
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res = PBReadSync(¶m);
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if (res != noErr)
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return 0;
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return param.ioActCount;
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}
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#endif
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void serial_put(char c)
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{
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#if USE_BUFFER
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buffer[buff_len++] = c;
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if ( c == '\n' )
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{
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/* add '\r' and flush buffer */
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buffer[buff_len++] = '\r';
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goto flush;
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}
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/* if buffer is full (BUFFER_LEN - 1), flush it
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* we take BUFFER_LEN - 1 to have enough room
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* if we need to add '\r' on '\n'
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*/
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if (buff_len == BUFFER_LEN - 1)
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goto flush;
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return;
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flush:
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if (out_refnum0 != -1)
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write(out_refnum0, buffer, buff_len);
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if (out_refnum1 != -1)
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write(out_refnum1, buffer, buff_len);
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buff_len = 0;
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#else
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if ( c == '\n' )
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{
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if (out_refnum0 != -1)
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write(out_refnum0, "\n\r", 2);
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if (out_refnum1 != -1)
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write(out_refnum1, "\n\r", 2);
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}
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else
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{
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if (out_refnum0 != -1)
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write(out_refnum0, &c, 1);
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if (out_refnum1 != -1)
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write(out_refnum1, &c, 1);
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}
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#endif
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}
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void serial_init(emile_l2_header_t* info)
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{
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int res;
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if (info->console_mask & STDOUT_SERIAL0) {
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res = OpenDriver(c2pstring(".AOut"), &out_refnum0);
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if (res != noErr) {
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printf("Cannot open modem output port (%d)\n", res);
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}
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else
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{
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res = setserial(out_refnum0, info->serial0_bitrate,
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info->serial0_datasize,
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info->serial0_parity,
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info->serial0_stopbits);
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if (res != noErr) {
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printf("Cannot setup modem output port (%d)\n",
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res);
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}
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}
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#ifdef USE_CLI
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res = OpenDriver(c2pstring(".AIn"), &in_refnum0);
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if (res != noErr) {
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printf("Cannot open modem input port (%d)\n", res);
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}
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else
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{
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res = setserial(in_refnum0, info->serial0_bitrate,
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info->serial0_datasize,
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info->serial0_parity,
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info->serial0_stopbits);
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if (res != noErr) {
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printf("Cannot setup modem input port (%d)\n",
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res);
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}
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}
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#endif /* USE_CLI */
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}
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if (info->console_mask & STDOUT_SERIAL1) {
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res = OpenDriver(c2pstring(".BOut"), &out_refnum1);
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if (res != noErr) {
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printf("Cannot open printer output port (%d)\n", res);
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}
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else
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{
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res = setserial(out_refnum1, info->serial1_bitrate,
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info->serial1_datasize,
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info->serial1_parity,
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info->serial1_stopbits);
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if (res != noErr) {
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printf("Cannot setup printer output port (%d)\n"
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, res);
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}
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}
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#ifdef USE_CLI
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res = OpenDriver(c2pstring(".BIn"), &in_refnum1);
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if (res != noErr) {
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printf("Cannot open printer input port (%d)\n", res);
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}
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else
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{
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res = setserial(in_refnum1, info->serial1_bitrate,
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info->serial1_datasize,
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info->serial1_parity,
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info->serial1_stopbits);
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if (res != noErr) {
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printf("Cannot setup printer input port (%d)\n"
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, res);
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}
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}
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#endif /* USE_CLI */
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}
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#if USE_BUFFER
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buff_len = 0;
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#endif
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}
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#ifdef USE_CLI
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void serial_cursor_save(void)
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{
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serial_put('');
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serial_put('7');
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}
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void serial_cursor_restore(void)
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{
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serial_put('');
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serial_put('8');
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}
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int serial_getchar(void)
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{
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int count;
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char c;
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if (in_refnum0 != -1)
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{
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count = read(in_refnum0, &c, 1);
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if (count == 1)
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return c;
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}
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if (in_refnum1 != -1)
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{
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count = read(in_refnum1, &c, 1);
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if (count == 1)
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return c;
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}
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return 0;
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}
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int serial_keypressed()
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{
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if (serial_getchar() != 0)
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return 1;
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return 0;
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}
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#endif
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