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-rw-r--r--recipes/robostix-utils/robostix-cmdline/robostix.c278
-rw-r--r--recipes/robostix-utils/robostix-cmdline/robostix.h114
2 files changed, 392 insertions, 0 deletions
diff --git a/recipes/robostix-utils/robostix-cmdline/robostix.c b/recipes/robostix-utils/robostix-cmdline/robostix.c
new file mode 100644
index 0000000000..be47b5c5a9
--- /dev/null
+++ b/recipes/robostix-utils/robostix-cmdline/robostix.c
@@ -0,0 +1,278 @@
+/****************************************************************************
+*
+* Copyright (c) 2006 Dave Hylands <dhylands@gmail.com>
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+* Alternatively, this software may be distributed under the terms of BSD
+* license.
+*
+* See README and COPYING for more details.
+*
+****************************************************************************/
+/**
+*
+* robostix.c
+*
+* PURPOSE:
+*
+* This implements the usermode program for talking to the robostix.
+*
+*****************************************************************************/
+
+/* ---- Include Files ---------------------------------------------------- */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include "robostix.h"
+
+/* ---- Public Variables ------------------------------------------------- */
+
+int gFd = -1;
+
+int gVal;
+
+/* ---- Private Constants and Types -------------------------------------- */
+/* ---- Private Variables ------------------------------------------------ */
+
+typedef struct
+{
+ const char *cmdStr;
+ const char *argStr;
+ const char *helpStr;
+ int (*parseArgs)( int argc, char **argv );
+ void (*execFunc)( int cmd );
+ int cmd;
+
+} Cmd;
+
+int ParseNone( int argc, char **argv );
+int ParseOnOffArg( int argc, char **argv );
+int ParseOnOffPulseArg( int argc, char **argv );
+void Usage( void );
+
+void Power( int cmd );
+void ReadIOctl( int cmd );
+void SimpleIOctl( int cmd );
+
+Cmd gCmd[] =
+{
+ { "power", "on|off", "Controls the robostix voltage regulators", ParseOnOffArg, Power, -1 },
+ { "reset", "on|off|pulse", "Resets the robostix", ParseOnOffPulseArg, SimpleIOctl, ROBOSTIX_IOCTL_RESET },
+ { "245", "on|off", "Controls the 245 buffer chip", ParseOnOffArg, SimpleIOctl, ROBOSTIX_IOCTL_245_ENABLE },
+
+ { "sck", "on|off", "Sets/clears the SCK line", ParseOnOffArg, SimpleIOctl, ROBOSTIX_IOCTL_SET_SCK },
+ { "ss", "on|off", "Sets/clears the SS line", ParseOnOffArg, SimpleIOctl, ROBOSTIX_IOCTL_SET_SS },
+ { "txd", "on|off", "Sets/clears the IR-TXD line", ParseOnOffArg, SimpleIOctl, ROBOSTIX_IOCTL_SET_IR_TXD },
+ { "mosi", "on|off", "Sets/clears the MOSI line", ParseOnOffArg, SimpleIOctl, ROBOSTIX_IOCTL_SET_MOSI },
+
+ { "rxd", "", "Reads the IR-RXD line", ParseNone, ReadIOctl, ROBOSTIX_IOCTL_GET_IR_RXD },
+ { "irq", "", "Reads the TM-IRQ line", ParseNone, ReadIOctl, ROBOSTIX_IOCTL_GET_IRQ },
+ { "miso", "", "Reads the MISO line", ParseNone, ReadIOctl, ROBOSTIX_IOCTL_GET_MISO },
+
+ { NULL }
+};
+
+/* ---- Private Function Prototypes -------------------------------------- */
+/* ---- Functions -------------------------------------------------------- */
+
+
+/****************************************************************************
+*
+* main
+*
+***************************************************************************/
+
+int main( int argc, char **argv )
+{
+ char *cmdStr;
+ int argIdx;
+ Cmd *cmd;
+
+ if ( argc == 1 )
+ {
+ Usage( );
+ exit( 0 );
+ }
+
+ if (( gFd = open( "/dev/robostix", O_RDWR )) < 0 )
+ {
+ perror( "Unable to open /dev/robostix" );
+ exit( 1 );
+ }
+
+ argIdx = 1;
+ cmdStr = argv[ argIdx++ ];
+
+ for ( cmd = gCmd; cmd->cmdStr != NULL; cmd++ )
+ {
+ if ( strcasecmp( cmdStr, cmd->cmdStr ) == 0 )
+ {
+ break;
+ }
+ }
+ if ( cmd->cmdStr == NULL )
+ {
+ fprintf( stderr, "Unrecognized command: '%s'\n", cmdStr );
+ exit( 1 );
+ }
+
+ if ( cmd->parseArgs( argc - argIdx, &argv[ argIdx ] ))
+ {
+ cmd->execFunc( cmd->cmd );
+ }
+
+ close( gFd );
+
+ exit( 0 );
+ return 0;
+
+} // main
+
+/****************************************************************************
+*
+* Checks to see if the argument is on/off (or equivalent)
+*
+***************************************************************************/
+
+int IsOnOffArg( int argc, char **argv )
+{
+ if (( strcasecmp( *argv, "on" ) == 0 )
+ || ( strcasecmp( *argv, "t" ) == 0 )
+ || ( strcasecmp( *argv, "1" ) == 0 ))
+ {
+ gVal = 1;
+ return 1;
+ }
+
+ if (( strcasecmp( *argv, "off" ) == 0 )
+ || ( strcasecmp( *argv, "f" ) == 0 )
+ || ( strcasecmp( *argv, "0" ) == 0 ))
+ {
+ gVal = 0;
+ return 1;
+ }
+
+ return 0;
+
+} // IsOnOffArg
+
+/****************************************************************************
+*
+* Parses no arguments
+*
+***************************************************************************/
+
+int ParseNone( int argc, char **argv )
+{
+ return 1;
+
+} // ParseNone
+
+/****************************************************************************
+*
+* Parses a command line argument for legel on/off values
+*
+***************************************************************************/
+
+int ParseOnOffArg( int argc, char **argv )
+{
+ if ( IsOnOffArg( argc, argv ))
+ {
+ return 1;
+ }
+
+ fprintf( stderr, "Expecting on/off, found: '%s'\n", *argv );
+ return 0;
+
+} // ParseOnOffArg
+
+/****************************************************************************
+*
+* Parses a command line argument for legel on/off values
+*
+***************************************************************************/
+
+int ParseOnOffPulseArg( int argc, char **argv )
+{
+ if (( strcasecmp( *argv, "pulse" ) == 0 )
+ || ( strcasecmp( *argv, "2" ) == 0 ))
+ {
+ gVal = 2;
+ return 1;
+ }
+
+ if ( IsOnOffArg( argc, argv ))
+ {
+ return 1;
+ }
+
+ fprintf( stderr, "Expecting on/off/pulse, found: '%s'\n", *argv );
+ return 0;
+
+} // ParseOnoffPulseArg
+
+/****************************************************************************
+*
+* Power
+*
+***************************************************************************/
+
+void Power( int cmd )
+{
+ SimpleIOctl( ROBOSTIX_IOCTL_POWER_VCC5 );
+
+} // Power
+
+/****************************************************************************
+*
+* SimpleIOctl
+*
+***************************************************************************/
+
+void SimpleIOctl( int cmd )
+{
+ if ( ioctl( gFd, cmd, gVal ) != 0 )
+ {
+ fprintf( stderr, "ioctl call failed: %d\n", errno );
+ }
+
+} // SimpleIOctl
+
+/****************************************************************************
+*
+* SimpleIOctl
+*
+***************************************************************************/
+
+void ReadIOctl( int cmd )
+{
+ if ( ioctl( gFd, cmd, &gVal ) != 0 )
+ {
+ fprintf( stderr, "ioctl call failed: %d\n", errno );
+ }
+
+} // ReadIOctl
+
+/****************************************************************************
+*
+* Usage
+*
+***************************************************************************/
+
+void Usage( void )
+{
+ Cmd *cmd;
+
+ for ( cmd = gCmd; cmd->cmdStr != NULL; cmd++ )
+ {
+ printf( "%-12s %-12s %s\n", cmd->cmdStr, cmd->argStr, cmd->helpStr );
+ }
+
+} // Usage
+
diff --git a/recipes/robostix-utils/robostix-cmdline/robostix.h b/recipes/robostix-utils/robostix-cmdline/robostix.h
new file mode 100644
index 0000000000..0d860bc7a4
--- /dev/null
+++ b/recipes/robostix-utils/robostix-cmdline/robostix.h
@@ -0,0 +1,114 @@
+/****************************************************************************
+*
+* Copyright (c) 2006 Dave Hylands <dhylands@gmail.com>
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+* Alternatively, this software may be distributed under the terms of BSD
+* license.
+*
+* See README and COPYING for more details.
+*
+****************************************************************************/
+/**
+*
+* robostix_drv.h
+*
+* PURPOSE:
+*
+* This implements a driver for using the robostix from the gumstix
+*
+* Initially, this contains the required support to emulate enough of the
+* parallel port interface to allow avrdude to program the ATMega128.
+*
+*****************************************************************************/
+
+#if !defined( LINUX_ROBOSTIX_H )
+#define LINUX_ROBOSTIX_H )
+
+/* ---- Include Files ----------------------------------------------------- */
+
+#include <linux/ioctl.h>
+
+/* ---- Constants and Types ----------------------------------------------- */
+
+#define ROBOSTIX_MAJOR 240
+
+#define ROBOSTIX_IOCTL_MAGIC 'R'
+
+/**
+ * Deefines for each of the commands. Note that since we want to reduce
+ * the possibility that a user mode program gets out of sync with a given
+ * driver, we explicitly assign a value to each enumeration. This makes
+ * it more difficult to stick new ioctl's in the middle of the list.
+ */
+
+typedef enum
+{
+ ROBOSTIX_CMD_FIRST = 0x80,
+
+ ROBOSTIX_CMD_POWER_VCC5 = 0x80,
+ ROBOSTIX_CMD_RESET = 0x81,
+ ROBOSTIX_CMD_245_ENABLE = 0x82,
+ ROBOSTIX_CMD_SET_SCK = 0x83,
+ ROBOSTIX_CMD_SET_SS = 0x84,
+ ROBOSTIX_CMD_SET_IR_TXD = 0x85,
+ ROBOSTIX_CMD_GET_IR_RXD = 0x86,
+ ROBOSTIX_CMD_SET_MOSI = 0x87,
+ ROBOSTIX_CMD_GET_MISO = 0x88,
+ ROBOSTIX_CMD_GET_IRQ = 0x89,
+ ROBOSTIX_CMD_DELAY_USEC = 0x8A, // value is hardocded in uisp DAPA.C
+
+ /* Insert new ioctls here */
+
+ ROBOSTIX_CMD_LAST,
+
+} ROBOSTIX_CMD;
+
+/*
+ * The following are arguments to the various ioctl's
+ */
+
+#define ROBOSTIX_PIN_OFF 0
+#define ROBOSTIX_PIN_ON 1
+#define ROBOSTIX_PIN_PULSE 2 // only used or Reset
+
+/*
+ * Definitions for the actual ioctl commands
+ */
+
+#define ROBOSTIX_IOCTL_POWER_VCC5 _IO( ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_POWER_VCC5 ) // arg is int
+#define ROBOSTIX_IOCTL_RESET _IO( ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_RESET ) // arg is int
+#define ROBOSTIX_IOCTL_245_ENABLE _IO( ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_245_ENABLE ) // arg is int
+#define ROBOSTIX_IOCTL_SET_SCK _IO( ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_SET_SCK ) // arg is int
+#define ROBOSTIX_IOCTL_SET_SS _IO( ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_SET_SS ) // arg is int
+#define ROBOSTIX_IOCTL_SET_IR_TXD _IO( ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_SET_IR_TXD ) // arg is int
+#define ROBOSTIX_IOCTL_GET_IR_RXD _IOR( ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_GET_IR_RXD, int ) // arg is int *
+#define ROBOSTIX_IOCTL_SET_MOSI _IO( ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_SET_MOSI ) // arg is int
+#define ROBOSTIX_IOCTL_GET_MISO _IOR( ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_GET_MISO, int ) // arg is int *
+#define ROBOSTIX_IOCTL_GET_IRQ _IOR( ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_GET_IRQ, int ) // arg is int *
+#define ROBOSTIX_IOCTL_DELAY_USEC _IO( ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_DELAY_USEC ) // arg is int
+
+
+/*
+ * Definitions for sysctl. The top level define has to be unique system wide.
+ * The kernel defines values 1 thru about 10 (see include/linunx/sysctl.h)
+ */
+
+#define CTL_ROBOSTIX 0x526F626F /* 'Robo' in hex form */
+
+/*
+ * The following are for entries in /proc/sys/robostix
+ */
+
+enum
+{
+ CTL_ROBOSTIX_DEBUG_TRACE = 101,
+ CTL_ROBOSTIX_DEBUG_IOCTL = 102,
+ CTL_ROBOSTIX_DEBUG_ERROR = 103
+};
+
+#endif // LINUX_ROBOSTIX_H
+
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