baud settings include all posix names, windows allows any divisor
svn path=/trunk/externals/iem/comport/; revision=6072
This commit is contained in:
Martin Peach
parent
509a44d087
commit
8aae014491
1 changed files with 85 additions and 43 deletions
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@ -93,10 +93,11 @@ typedef struct comport
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#define COMPORT_MAX 99
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#ifdef _WIN32
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/* we don't use the table for windos cos we can set the number directly. */
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/* This may result in more possible baud rates than the table contains. */
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/*
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static long baudspeedbittable[] =
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{
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CBR_256000,
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CBR_128000,
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CBR_115200,
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CBR_57600,
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CBR_56000,
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@ -106,83 +107,114 @@ static long baudspeedbittable[] =
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CBR_9600,
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CBR_4800,
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CBR_2400,
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CBR_1800,
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CBR_1200,
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CBR_600,
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CBR_300,
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CBR_110
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};
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*/
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#else /* _WIN32 */
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#ifdef IRIX
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#define OPENPARAMS (O_RDWR|O_NDELAY|O_NOCTTY)
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#define TIONREAD FIONREAD /* re map the IOCTL function */
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#define BAUDRATE_256000 -1
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#define BAUDRATE_128000 -1
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#define BAUDRATE_230400 -1
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#define BAUDRATE_115200 -1
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#define BAUDRATE_57600 -1
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#define BAUDRATE_56000 -1
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#define BAUDRATE_38400 B38400
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#define BAUDRATE_14400 B19200 /* 14400 gibts nicht */
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#else /* IRIX */
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#define OPENPARAMS (O_RDWR|O_NDELAY|O_NOCTTY)
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#define BAUDRATE_256000 -1
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#define BAUDRATE_128000 -1
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#define BAUDRATE_230400 B230400
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#define BAUDRATE_115200 B115200
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#define BAUDRATE_57600 B57600
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#define BAUDRATE_56000 B57600 /* 56000 gibts nicht */
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#define BAUDRATE_38400 B38400
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#define BAUDRATE_14400 B19200 /* 14400 gibts nicht */
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#endif /* else IRIX */
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static
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short baudspeedbittable[] =
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long baudspeedbittable[] =
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{
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BAUDRATE_256000, /* CPU SPECIFIC */
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BAUDRATE_128000, /* CPU SPECIFIC */
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BAUDRATE_230400,
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BAUDRATE_115200, /* CPU SPECIFIC */
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BAUDRATE_57600, /* CPU SPECIFIC */
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BAUDRATE_56000,
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BAUDRATE_38400, /* CPU SPECIFIC */
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B19200,
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BAUDRATE_14400,
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B9600,
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B4800,
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B2400,
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B1800,
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B1200,
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B600,
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B300,
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B110
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B200,
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B150,
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B134,
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B110,
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B75,
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B50,
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B0
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};
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struct timeval null_tv;
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#endif /* else _WIN32 */
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#define BAUDRATETABLE_LEN 15
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#define BAUDRATETABLE_LEN 19
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static long baudratetable[] =
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{
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256000L,
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128000L,
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230400L,
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115200L,
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57600L,
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56000L,
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38400L,
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19200L,
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14400L,
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9600L,
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4800L,
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2400L,
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1800L,
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1200L,
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600L,
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300L,
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110L
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200L,
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150L,
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134L,
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110L,
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75L,
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50L,
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0L
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}; /* holds the baud rate selections */
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/* From man cfsetospeed:
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cfsetospeed() sets the output baud rate stored in the
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termios structure pointed to by termios_p to speed, which
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must be one of these constants:
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B0
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B50
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B75
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B110
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B134
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B150
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B200
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B300
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B600
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B1200
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B1800
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B2400
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B4800
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B9600
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B19200
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B38400
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B57600
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B115200
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B230400
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The zero baud rate, B0, is used to terminate the connec
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tion. If B0 is specified, the modem control lines shall
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no longer be asserted. Normally, this will disconnect the
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line.*/
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t_class *comport_class;
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static long get_baud_ratebits(t_float *baud);
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static void comport_pollintervall(t_comport *x, t_floatarg g);
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static void comport_tick(t_comport *x);
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static float set_baudrate(t_comport *x,t_float baud);
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@ -203,6 +235,7 @@ static HANDLE close_serial(t_comport *x);
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#else
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static int open_serial(unsigned int com_num, t_comport *x);
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static int close_serial(t_comport *x);
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static long get_baud_ratebits(t_float *baud);
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#endif
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static void comport_pollintervall(t_comport *x, t_floatarg g);
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static void comport_tick(t_comport *x);
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@ -240,22 +273,6 @@ void comport_setup(void);
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/* --------- sys independent serial setup helpers ---------------- */
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static long get_baud_ratebits(t_float *baud)
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{
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int i = 0;
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while(i < BAUDRATETABLE_LEN && baudratetable[i] > *baud) i++;
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/* nearest Baudrate finding */
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if(i==BAUDRATETABLE_LEN || baudspeedbittable[i] < 0)
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{
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post("*Warning* The baud rate %d is not supported or out of range, using 9600\n",*baud);
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i = 8;
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}
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*baud = baudratetable[i];
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return baudspeedbittable[i];
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}
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/* ------------ sys dependent serial setup helpers ---------------- */
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@ -267,7 +284,7 @@ static long get_baud_ratebits(t_float *baud)
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static float set_baudrate(t_comport *x,t_float baud)
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{
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x->dcb.BaudRate = get_baud_ratebits(&baud);
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x->dcb.BaudRate = (DWORD)baud ;//!!!try directly setting any baud rate...was get_baud_ratebits(&baud);
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return baud;
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}
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@ -373,6 +390,14 @@ static int set_xonxoff(t_comport *x, int nr)
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static int set_serial(t_comport *x)
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{
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if (SetCommState(x->comhandle, &(x->dcb))) return 1;
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/* Didn't work. Get the actual state of the device */
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GetCommState(x->comhandle, &(x->dcb));
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x->baud = x->dcb.BaudRate;
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x->data_bits = x->dcb.ByteSize;
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x->parity_bit = x->dcb.fParity;
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x->stop_bits = x->dcb.StopBits;
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x->xonxoff = (x->dcb.fOutX)?1:0;
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x->ctsrts = (x->dcb.fOutxCtsFlow)?1:0;
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return 0;
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}
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@ -582,10 +607,27 @@ int comport_get_cts(t_comport *x)
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/* ----------------- POSIX - UNIX ------------------------------ */
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static float set_baudrate(t_comport *x,t_float baud)
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static long get_baud_ratebits(t_float *baud)
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{
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int i = 0;
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while(i < BAUDRATETABLE_LEN && baudratetable[i] > *baud) i++;
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/* nearest Baudrate finding */
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if(i==BAUDRATETABLE_LEN || baudspeedbittable[i] < 0)
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{
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post("*Warning* The baud rate %d is not supported or out of range, using 9600\n",*baud);
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i = 8;
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}
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*baud = baudratetable[i];
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return baudspeedbittable[i];
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}
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static float set_baudrate(t_comport *x, t_float baud)
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{
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struct termios *tio = &(x->com_termio);
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long baudbits = get_baud_ratebits(&baud);
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speed_t baudbits = get_baud_ratebits(&baud);
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cfsetispeed(tio, baudbits);
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cfsetospeed(tio, baudbits);
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