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@hoglet67
hoglet67 committed Sep 1, 2023
1 parent fa605b1 commit 810cea1
Showing 1 changed file with 48 additions and 48 deletions.
96 changes: 48 additions & 48 deletions fx2pipe/fx2pipe/main.cc
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Original file line number Diff line number Diff line change
@@ -1,17 +1,17 @@
/*
* usb_io/main.cc
*
* FX2 pipe program main routine.
*
* Copyright (c) 2006--2009 by Wolfgang Wieser ] wwieser (a) gmx <*> de [
*
* This file may be distributed and/or modified under the terms of the
* GNU General Public License version 2 as published by the Free Software
*
* FX2 pipe program main routine.
*
* Copyright (c) 2006--2009 by Wolfgang Wieser ] wwieser (a) gmx <*> de [
*
* This file may be distributed and/or modified under the terms of the
* GNU General Public License version 2 as published by the Free Software
* Foundation. (See COPYING.GPL for details.)
*
*
* This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
*
*/

#include "../oconfig.h"
Expand Down Expand Up @@ -84,7 +84,7 @@ static void PrintHelp()
int main(int argc,char **arg)
{
FX2Pipe p;

int errors=0;
int dir_spec=0;
int fifo_width=2; // 1 or 2 (8 or 16 bits)
Expand All @@ -98,7 +98,7 @@ int main(int argc,char **arg)
char cko_invert=0;
for(int i=1; i<argc; i++)
{
// First, check for long options.
// First, check for long options.
if(*arg[i]=='-' && arg[i][1]=='-')
{
if(!strcmp(arg[i],"--help"))
Expand All @@ -108,11 +108,11 @@ int main(int argc,char **arg)
else
{ fprintf(stderr,"fx2pipe: unknown long option \"%s\"\n",arg[i]);
++errors; }

continue;
}
// Next, check for assignments. One can leave away the leading '-'.

// Next, check for assignments. One can leave away the leading '-'.
const char *ass_value=NULL;
for(const char *c=arg[i]; *c; c++)
{
Expand All @@ -125,10 +125,10 @@ int main(int argc,char **arg)
}
if(ass_value)
{
// This is an assignment.
// This is an assignment.
const char *ass_name=arg[i];
if(*ass_name=='-') ++ass_name;

if(!strncmp(ass_name,"n=",2))
{
char *endptr;
Expand Down Expand Up @@ -182,67 +182,67 @@ int main(int argc,char **arg)
else if(!strncmp(ass_name,"ifclk=",6))
{
const char *s=ass_value;

// Speed...
if(*s=='x')
{ ifclk_speed=0; ++s; }
else if(*s=='3' && s[1]=='0')
{ ifclk_speed=30; s+=2; }
else if(*s=='4' && s[1]=='8')
{ ifclk_speed=48; s+=2; }
// Output? Only valid if not external.

// Output? Only valid if not external.
if(*s=='o' && ifclk_speed!=0)
{ ifclk_output=1; ++s; }

// Invert?
if(*s=='i')
{ ifclk_invert=1; ++s; }

if(*s)
{ fprintf(stderr,"fx2pipe: invalid ifclk spec \"%s\".\n",
ass_value); ++errors; }
}
else if(!strncmp(ass_name,"cko=",4))
{
const char *s=ass_value;

// Speed...
if(*s=='1' && s[1]=='2')
{ cko_speed=12; s+=2; }
else if(*s=='2' && s[1]=='4')
{ cko_speed=24; s+=2; }
else if(*s=='4' && s[1]=='8')
{ cko_speed=48; s+=2; }

// Output?
if(*s=='o')
{ cko_output=1; ++s; }
else if(*s=='z')
{ cko_output=0; ++s; }

// Invert?
if(*s=='i')
{ cko_invert=1; ++s; }

if(*s)
{ fprintf(stderr,"fx2pipe: invalid cko spec \"%s\".\n",
ass_value); ++errors; }
}
else if(!strncmp(ass_name,"sched=",6))
{
const char *s=ass_value;

// Policy?
if(!strncmp(s,"fifo",4))
{ p.schedule_policy=SCHED_FIFO; s+=4; }
else if(!strncmp(s,"rr",2))
{ p.schedule_policy=SCHED_RR; s+=2; }

// Priority?
if(*s==',')
{ p.schedule_priority=strtol(s,(char**)&s,0); }

if(*s)
{ fprintf(stderr,"fx2pipe: invalid sched spec \"%s\".\n",
ass_value); ++errors; }
Expand All @@ -252,8 +252,8 @@ int main(int argc,char **arg)
ass_name[i]); ++errors; }
continue;
}
// Assume short option if it has one leading dash.

// Assume short option if it has one leading dash.
if(arg[i][0]=='-' && (isalpha(arg[i][1]) || isdigit(arg[i][1])) )
{
for(const char *c=&arg[i][1]; *c; c++)
Expand All @@ -278,10 +278,10 @@ int main(int argc,char **arg)
break;
}
}

continue;
}

// Finally, what's left over...
fprintf(stderr,"fx2pipe: unrecognized argument \"%s\"\n",
arg[i]); ++errors;
Expand All @@ -292,22 +292,22 @@ int main(int argc,char **arg)
"(-iIoO).\n");
++errors;
}

// FIXME: If fifo_width is 2, force even sizes!
if(p.io_block_size<1 || p.io_block_size>16384)
{
fprintf(stderr,"fx2pipe: IO block size (bs) must be in "
"range 1..16384, bs=%u is invalid\n",p.io_block_size);
++errors;
}
// Set up config for firmware:

// Set up config for firmware:
p.fc.FC_DIR = p.dir<0 ? 0x12U : 0x21U;
p.fc.FC_CPUCS =
((cko_speed==12 ? 0U : cko_speed==24 ? 1U : 2U)<<3) |
(cko_invert ? 0x04U : 0x00U) |
p.fc.FC_CPUCS =
((cko_speed==12 ? 0U : cko_speed==24 ? 1U : 2U)<<3) |
(cko_invert ? 0x04U : 0x00U) |
(cko_output ? 0x02U : 0x00U);
p.fc.FC_IFCONFIG =
p.fc.FC_IFCONFIG =
(ifclk_speed ? 0x80U : 0x00U) | // Internal (1) / external?
(ifclk_speed==30 ? 0x00U : 0x40U) | // 30 (0) / 48 (1) MHz?
(ifclk_output ? 0x20U : 0x00U) | // Enable (1) output to IFCLK?
Expand All @@ -331,30 +331,30 @@ int main(int argc,char **arg)
{
case 2: p.fc.FC_EPCFG|=0x02U; break;
case 3: p.fc.FC_EPCFG|=0x03U; break;
case 4: break; // Do nothing.
case 4: break; // Do nothing.
default: assert(0); break;
}
if(fifo_width==2)
{ p.fc.FC_EPFIFOCFG|=0x01U; }
// Dump firmware config values:

// Dump firmware config values:
fprintf(stderr,"Firmware config: 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x\n",
(unsigned int)p.fc.FC_DIR, (unsigned int)p.fc.FC_IFCONFIG,
(unsigned int)p.fc.FC_EPCFG, (unsigned int)p.fc.FC_EPFIFOCFG,
(unsigned int)p.fc.FC_CPUCS );

if(errors)
{ return(1); }
// Install signal handler for SIGINT.

// Install signal handler for SIGINT.
struct sigaction sa;
memset(&sa,0,sizeof(sa));
sa.sa_handler=&SigIntHandler;
sigaction(SIGINT,&sa,NULL);

int ecode=0;

ecode=p.run();

return(ecode);
}

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