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author | reinelt <> | 2003-10-22 04:19:16 +0000 |
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committer | reinelt <> | 2003-10-22 04:19:16 +0000 |
commit | 78db54efea1a7af36a2f02d8c960f17297386d98 (patch) | |
tree | c6e95b153eca7b102da2f6c987f42594b329f47e /MatrixOrbital.c | |
parent | 4f5395938002f624502fd7afba7dfa3b3ee8433d (diff) | |
download | lcd4linux-78db54efea1a7af36a2f02d8c960f17297386d98.tar.gz |
[lcd4linux @ 2003-10-22 04:19:16 by reinelt]
Makefile.in for imon.c/.h, some MatrixOrbital clients
Diffstat (limited to 'MatrixOrbital.c')
-rw-r--r-- | MatrixOrbital.c | 108 |
1 files changed, 89 insertions, 19 deletions
diff --git a/MatrixOrbital.c b/MatrixOrbital.c index 2187276..74632aa 100644 --- a/MatrixOrbital.c +++ b/MatrixOrbital.c @@ -1,4 +1,4 @@ -/* $Id: MatrixOrbital.c,v 1.46 2003/10/12 04:46:19 reinelt Exp $ +/* $Id: MatrixOrbital.c,v 1.47 2003/10/22 04:19:16 reinelt Exp $ * * driver for Matrix Orbital serial display modules * @@ -22,6 +22,9 @@ * * * $Log: MatrixOrbital.c,v $ + * Revision 1.47 2003/10/22 04:19:16 reinelt + * Makefile.in for imon.c/.h, some MatrixOrbital clients + * * Revision 1.46 2003/10/12 04:46:19 reinelt * * @@ -313,14 +316,14 @@ static int MO_open (void) static int MO_read (char *string, int len) { - int ret; - + int run, ret; + if (Device==-1) return -1; - ret=read (Device, string, len); - if (ret<0 && errno==EAGAIN) { - debug ("read(): EAGAIN"); - usleep(10000); + for (run=0; run<10; run++) { ret=read (Device, string, len); + if (ret>=0 || errno!=EAGAIN) break; + debug ("read(): EAGAIN"); + usleep(1000); } if (ret<0) { @@ -333,14 +336,26 @@ static int MO_read (char *string, int len) static void MO_write (char *string, int len) { + int run, ret; + if (Device==-1) return; - if (write (Device, string, len)==-1) { - if (errno==EAGAIN) { - usleep(1000); - if (write (Device, string, len)>=0) return; - } + for (run=0; run<10; run++) { + ret=write (Device, string, len); + if (ret>=0 || errno!=EAGAIN) break; + debug ("write(): EAGAIN"); + usleep(1000); + } + + if (ret<0) { error ("MatrixOrbital: write(%s) failed: %s", Port, strerror(errno)); } + + // Fixme + if (ret!=len) { + error ("MatrixOrbital: partial write: len=%d ret=%d", len, ret); + } + + return; } @@ -458,17 +473,21 @@ static void client_gpo (RESULT *result, RESULT *arg1, RESULT *arg2) num=R2N(arg1); val=R2N(arg2); - if (num<0.0) num=0.0; - if (val<0.0) val=0.0; + if (num<1) num=1; + if (num>6) num=6; + + if (val>=1.0) { + val=1.0; + } else { + val=0.0; + } switch (protocol) { case 1: if (num==0) { if (val>=1.0) { - val=1.0; MO_write ("\376W", 2); // GPO on } else { - val=0.0; MO_write ("\376V", 2); // GPO off } } else { @@ -479,16 +498,64 @@ static void client_gpo (RESULT *result, RESULT *arg1, RESULT *arg2) case 2: if (val>=1.0) { - val=1.0; cmd[1]='W'; // GPO on } else { - val=0.0; cmd[1]='V'; // GPO off } cmd[2]=(char)num; MO_write (cmd, 3); break; } + + SetResult(&result, R_NUMBER, &val); +} + + +static void client_pwm (RESULT *result, RESULT *arg1, RESULT *arg2) +{ + int num; + double val; + char cmd[4]="\376\300"; + + num=R2N(arg1); + if (num<1) num=1; + if (num>6) num=6; + cmd[2]=(char)num; + + val=R2N(arg2); + if (val< 0.0) val= 0.0; + if (val>255.0) val=255.0; + cmd[3]=(char)val; + + MO_write (cmd, 4); + + SetResult(&result, R_NUMBER, &val); +} + + +static void client_rpm (RESULT *result, RESULT *arg1) +{ + int num; + double val; + char cmd[3]="\376\301"; + char buffer[7]; + + num=R2N(arg1); + if (num<1) num=1; + if (num>6) num=6; + cmd[2]=(char)num; + + MO_write (cmd, 3); + usleep(100000); + MO_read (buffer, 7); + + debug ("rpm: buffer[0]=0x%01x", buffer[0]); + debug ("rpm: buffer[1]=0x%01x", buffer[1]); + debug ("rpm: buffer[2]=0x%01x", buffer[2]); + debug ("rpm: buffer[3]=0x%01x", buffer[3]); + debug ("rpm: buffer[4]=0x%01x", buffer[4]); + debug ("rpm: buffer[5]=0x%01x", buffer[5]); + debug ("rpm: buffer[6]=0x%01x", buffer[6]); SetResult(&result, R_NUMBER, &val); } @@ -522,7 +589,7 @@ static int MO_init (LCD *Self, int protocol) } Port=strdup(port); - if (cfg_number("Speed", 19200, 1200,19200, &i)<0) return -1; + if (cfg_number("Speed", 19200, 1200, 19200, &i)<0) return -1; switch (i) { case 1200: Speed=B1200; @@ -593,10 +660,13 @@ static int MO_init (LCD *Self, int protocol) AddFunction ("contrast", 1, client_contrast); AddFunction ("backlight", 1, client_backlight); AddFunction ("gpo", 2, client_gpo); + AddFunction ("pwm", 2, client_pwm); + AddFunction ("rpm", 1, client_rpm); return 0; } + int MO_init1 (LCD *Self) { return MO_init(Self, 1); |