//claws -> //god/claws

claws provides interaction with the real world

5 files changed, 535 insertions, 0 deletions

diff --git a/god/claws/.gitignore b/god/claws/.gitignore
new file mode 100644
index 00000000..5da5924f
--- /dev/null
+++ b/god/claws/.gitignore
@@ -0,0 +1 @@
+rcontrol
diff --git a/god/claws/Makefile b/god/claws/Makefile
new file mode 100644
index 00000000..abfae5eb
--- /dev/null
+++ b/god/claws/Makefile
@@ -0,0 +1,18 @@
+# Makefile for the rcontrol program
+# We set a setuid bit as this tools needs root privilleges to open the FT232 device.
+
+BINARY=./rcontrol
+
+install: all
+	ln -snf $$PWD/$(BINARY) ../bin/
+
+all:$(BINARY)
+	chown root.root $(BINARY)
+	chmod +s $(BINARY)
+
+$(BINARY): rcontrol.c
+	#punani install libftdi1 libftdi-dev
+	gcc -Wall -lusb -lftdi rcontrol.c -o $(BINARY)
+
+clean:
+	rm -f $(BINARY)
diff --git a/god/claws/README.md b/god/claws/README.md
new file mode 100644
index 00000000..00c90a85
--- /dev/null
+++ b/god/claws/README.md
@@ -0,0 +1,12 @@
+# CLAWS
+
+Claws is a tool to manage some obscure Hardware Relay Board currently attached
+to the krebs infrastructure
+
+# Installation
+
+    make install
+
+# Usage
+
+    rcontrol --help
diff --git a/god/claws/communication.h b/god/claws/communication.h
new file mode 100644
index 00000000..db4b2c36
--- /dev/null
+++ b/god/claws/communication.h
@@ -0,0 +1,25 @@
+/* These are the command codes of the relay card. If you change something here you must
+ * recompile the firmware and the control tool. */
+#ifndef _COMMUNICATION_H
+#define _COMMUNICATION_H
+
+#define COMMAND_RELAY_ON           0x01
+#define COMMAND_RELAY_OFF          0x02
+#define COMMAND_RELAY_TOGGLE       0x04
+#define COMMAND_RELAY_SET          0x08
+#define COMMAND_RELAY_TIME_ON      0x10
+#define COMMAND_RELAY_TIME_OFF     0x20
+#define COMMAND_RELAY_TIME_CYCLIC  0x40
+#define COMMAND_GET_STATUS         0x80
+#define COMMAND_DEL_TIMERS         0x81
+#define COMMAND_SETUP_REMOTE       0x82
+
+
+#define RESPONSE_OK                 0xff
+#define RESPONSE_INVALID_COMMAND    0xfe
+#define RESPONSE_INVALID_ARGUMENT   0xfd
+#define RESPONSE_TRANSMISSION_ERROR 0xfc
+
+#define COMMANDO_LENGTH    4
+
+#endif
diff --git a/god/claws/rcontrol.c b/god/claws/rcontrol.c
new file mode 100644
index 00000000..972c97d0
--- /dev/null
+++ b/god/claws/rcontrol.c
@@ -0,0 +1,479 @@
+/*  +----------------------------------------------------------------------+
+ *  | relay control program                                                |
+ *  |   by mgr, 2007                                                       |
+ *  |   last change: 2009-01-05                                            |
+ *  |                                                                      |
+ *  | This program is used to control the relay card version 1.0. For more |
+ *  | information have a look at the project homepage.                     |
+ *  | You will need libftdi in order to compile this tool.                 |
+ *  |                                                                      |
+ *  | NOTE: For some reason the -l option causes a program crash if I      |
+ *  | compile this program with -O2. On top of that this code seems to     |
+ *  | be quite optimal, the program size gets a little larger with -O2,    |
+ *  | so I suggest you just compile it without optimization.               |
+ *  +----------------------------------------------------------------------+
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <getopt.h>
+#include <ctype.h>
+#include <time.h>
+#include <ftdi.h>       // libftdi
+
+/* Notice that if you experiment with the baud rate, you will have to adapt
+ * the firmware, too. Also I do not recommend it, as 9600 Bauds are completely
+ * sufficient for this application. */
+#define BAUD 9600
+
+/* If you are using more than one FT232-based pieces of hardware at once, 
+ * we need a way to uniquely address any given one. This is done by the
+ * serial of the specific device which you can pass to this tool or specify
+ * here. If no serial is specified (NULL), the first found device is opened. */
+#define DEFAULT_FT_SERIAL   "A6TMRSS6"
+
+#define VERSION             "1.0"
+
+#define OPTION_ADDRESS      0x01
+#define OPTION_INTERVAL     0x04
+#define OPTION_CYCLIC       0x08
+#define OPTION_ON           0x10
+#define OPTION_OFF          0x20
+#define OPTION_TOGGLE       0x40
+#define OPTION_DEL_TIMERS   0x80
+#define OPTION_LIST_DEVICES 0x200
+
+#define EXIT_CODE_OK        0
+#define EXIT_CODE_FAILURE   1
+
+#include "communication.h"
+
+/* function prototypes */
+void usage(char* name);
+void version(void);
+const char* card_strerror(int error);
+int valid_argument(const char* str);
+void exit_gracefully(struct ftdi_context* ftdic, char exit_code);
+
+
+int main(int argc, char **argv)
+{
+  int ret=0, int_argument=0, option_flags=0, long_index=0, i=0, num_ops=0;
+  char c=0;
+  unsigned char buf[COMMANDO_LENGTH], char_argument=0, operation=0;
+  const char* ft_serial=DEFAULT_FT_SERIAL;
+  double double_argument;
+  char buf0[64], buf1[64], buf2[64];
+  time_t start_time;
+
+  //struct ftdi_eeprom eeprom;
+
+  struct ftdi_context ftdic;
+  struct ftdi_device_list *devlist=NULL, *curdev=NULL;
+
+  static struct option long_options[] =
+  {
+     {"help",          0, 0, '?'},
+     {"version",       0, 0, 'V'},
+     {"on",            1, 0, 'o'},
+     {"off",           1, 0, 'f'},
+     {"toggle",        1, 0, 't'},
+     {"set",           1, 0, 's'},
+     {"status",        0, 0, 'S'},
+     {"interval",      1, 0, 'v'},
+     {"cyclic",        0, 0, 'c'},
+     {"address",       1, 0, 'a'},
+     {"delete-timers", 0, 0, 'd'},
+     {"list-devices",  0, 0, 'l'},
+     {0,               0, 0,  0 }
+  };
+  
+  /* fetch the command line options */
+  while ((c = getopt_long_only(argc, argv, "?Vo:f:t:s:Sv:ca:dl", long_options,
+	                       &long_index)) != -1)
+  {
+    switch (c)
+    {
+      case 'o': case 'f': case 't':
+	int_argument = atoi(optarg);
+
+	if (int_argument > 6 || int_argument < 1 || !valid_argument(optarg))
+	{
+	  fprintf(stderr, "%s: -s: invalid value `%s' (1-6 is valid)\n",
+			  *argv, optarg);
+	  return EXIT_CODE_FAILURE;
+	}
+
+	char_argument = (unsigned char)int_argument;
+
+	if (c == 't')
+	{
+	  operation = COMMAND_RELAY_TOGGLE;
+	  option_flags |= OPTION_TOGGLE;
+	} else if (c == 'o')
+	{
+	  operation = COMMAND_RELAY_ON;
+	  option_flags |= OPTION_ON;
+	} else
+	{
+	  operation = COMMAND_RELAY_OFF;
+          option_flags |= OPTION_OFF;
+        }
+        
+	num_ops++;
+
+	break;
+      
+      case 's':
+        int_argument = atoi(optarg);
+
+	if (int_argument > (1 << 6)-1 || int_argument < 0 || !valid_argument(optarg))
+	{
+	  fprintf(stderr, "%s: -s: invalid value `%s'\n", *argv, optarg);
+	  return EXIT_CODE_FAILURE;
+	}
+
+	char_argument = (unsigned char)int_argument;
+	operation = COMMAND_RELAY_SET;
+	num_ops++;
+	break;
+      
+      case 'S':
+	operation = COMMAND_GET_STATUS;
+        num_ops++;
+	break;
+      
+      case 'v':
+	double_argument = atof(optarg);
+        int_argument = (int)(double_argument*60) /10;
+	
+	if (int_argument < 1 || int_argument > (1 << 16)-1)
+	{
+          fprintf(stderr, "%s: -i: invalid interval `%s'\n", *argv, optarg);
+	  return EXIT_CODE_FAILURE;
+	}
+
+        option_flags |= OPTION_INTERVAL;
+	break;
+      
+      case 'c':
+        option_flags |= OPTION_CYCLIC;
+	break;  
+      
+      case 'd':
+        operation = COMMAND_DEL_TIMERS;
+	option_flags |= OPTION_DEL_TIMERS;
+        num_ops++;
+	break;	
+      
+      case 'a':
+	if (strlen(optarg) != 8)
+	{
+	  fprintf(stderr, "%s: -s: invalid serial number `%s'\n", *argv, optarg);
+	  return EXIT_CODE_FAILURE;
+	}
+
+        ft_serial = optarg;
+	option_flags |= OPTION_ADDRESS;
+	break;
+      
+      case 'l':
+	option_flags |= OPTION_LIST_DEVICES;
+	break;
+
+      case 'V':
+	version();
+	break;
+      case '?': default:
+        usage(*argv);
+	break;
+    }
+  }
+  
+  /* check whether the command line options are valid */
+  if ((option_flags & OPTION_INTERVAL))
+  {
+    if (option_flags & OPTION_DEL_TIMERS)
+    {
+      fprintf(stderr, "%s: -d cannot be mixed with timing options\n", *argv);
+      usage(*argv);
+    }
+
+    if (option_flags & OPTION_CYCLIC)
+    {
+      operation = COMMAND_RELAY_TIME_CYCLIC; 
+    } else if (option_flags & OPTION_ON)
+    {
+      operation = COMMAND_RELAY_TIME_ON;
+    } else if (option_flags & OPTION_OFF)
+    {
+      operation = COMMAND_RELAY_TIME_OFF;
+    } else 
+    {
+      fprintf(stderr, "%s: -v: you must also specify an operation (-o or -f)\n", *argv);
+      usage(*argv);
+    }
+  }
+
+  if (!operation && !(option_flags & OPTION_LIST_DEVICES))
+  {
+    usage(*argv);
+  }
+
+  if (((option_flags & OPTION_DEL_TIMERS) && (operation != COMMAND_DEL_TIMERS)))
+  {
+    fprintf(stderr, "%s: invalid mixture of options\n", *argv);
+    usage(*argv);
+  }
+  
+  if (num_ops > 1)
+  {
+    fprintf(stderr, "%s: more than one operation specified\n", *argv);
+    usage(*argv);
+  }
+
+  if (ftdi_init(&ftdic) < 0)
+  {
+      fprintf(stderr, "%s: unable to initialize FTDI context: %d (%s)\n", *argv, ret, 
+		      ftdi_get_error_string(&ftdic));
+      return EXIT_CODE_FAILURE;
+  }
+  
+  /* list all found FT232 devices */
+  if (option_flags & OPTION_LIST_DEVICES)
+  {
+    printf("scanning for FT232 devices...\n"
+	   "you can address the devices using `%s -a <serial>'\n", *argv);
+
+    if ((ret = ftdi_usb_find_all(&ftdic, &devlist, 0x0403, 0x6001)) < 0)
+    {
+       fprintf(stderr, "%s: unable to scan devices: %d (%s)\n", *argv, ret, 
+		      ftdi_get_error_string(&ftdic));
+       exit(EXIT_CODE_FAILURE);
+    }
+    
+    if (ret == 0)
+    {
+      printf("  no devices found :(\n");
+      return EXIT_CODE_OK;
+    }
+    
+    for (i=0, curdev = devlist; curdev != NULL; i++)
+    {
+      if (ftdi_usb_get_strings(&ftdic, curdev->dev, buf0, sizeof(buf0)/sizeof(char),
+			       buf1, sizeof(buf1)/sizeof(char), buf2, sizeof(buf2)/sizeof(char)) < 0)
+      {
+        fprintf(stderr, "unable to fetch information for device #%i: %s\n", i,
+			ftdi_get_error_string(&ftdic));
+        // continue caused an endless loop in case of an error
+	break;
+      }
+
+      printf("\ndevice #%i%s:\n"
+	     "  manufacturer: %s\n"
+	     "  device:       %s\n"
+	     "  serial:       %s\n", i, (i == 0 ? " (default)" : ""), 
+	     (buf0 != NULL ? buf0 : "n/a"), (buf1 != NULL ? buf1 : "n/a"),
+	     (buf2 != NULL ? buf2 : "n/a"));
+      
+      curdev = curdev->next;
+    }
+   
+    ftdi_list_free(&devlist);
+    return EXIT_CODE_OK;
+  }
+
+  /* Try to open the specified device. If that fails, we take a long shot
+   * and open the first found FT232 device and assume its the relay card.
+   * We don't do this if an address was specified with the -a option. */
+  if ((ret = ftdi_usb_open_desc(&ftdic, 0x0403, 0x6001, NULL, ft_serial)) < 0)
+  {
+    fprintf(stderr, "%s: unable to open ftdi device: %d (%s)\n", *argv, ret, 
+		    ftdi_get_error_string(&ftdic));
+    exit(EXIT_CODE_FAILURE);
+  }
+  
+  /* get rid of any data still floating around the buffer */
+  ftdi_usb_reset(&ftdic);
+  ftdi_usb_purge_buffers(&ftdic);
+
+
+  if ((ret = ftdi_set_baudrate(&ftdic, BAUD)) < 0)
+  {
+    fprintf(stderr, "%s: unable to set baudrate: %d (%s)\n", *argv, ret, 
+		    ftdi_get_error_string(&ftdic));
+    exit_gracefully(&ftdic, EXIT_CODE_FAILURE);
+  }
+  
+  if ((ret = ftdi_set_line_property(&ftdic, 8, 2, NONE)) < 0)
+  {
+    fprintf(stderr, "%s: unable to set line property: %d (%s)\n", *argv, ret,
+		    ftdi_get_error_string(&ftdic));
+    exit_gracefully(&ftdic, EXIT_CODE_FAILURE);
+  }
+ 
+  if ((ret = ftdi_setflowctrl(&ftdic, SIO_RTS_CTS_HS)) < 0) {
+    fprintf(stderr, "%s: unable to setup flow control: %d (%s)\n", *argv, ret,
+		    ftdi_get_error_string(&ftdic));
+    exit_gracefully(&ftdic, EXIT_CODE_FAILURE);
+  }
+
+  /*if ((ret = ftdi_set_latency_timer(&ftdic, 10)) < 0)
+  {
+    fprintf(stderr, "%s: unable to set latency timer: %d (%s)\n", *argv, ret,
+		    ftdi_get_error_string(&ftdic));
+    exit_gracefully(&ftdic, EXIT_CODE_FAILURE);
+  }*/
+ 
+  buf[0] = operation;
+  buf[2] = 0; buf[3] = 0; buf[4] = 0;
+
+  switch (operation)
+  {
+    case COMMAND_RELAY_SET:
+      buf[1] = char_argument;
+      break;
+    
+    case COMMAND_RELAY_ON: case COMMAND_RELAY_OFF:
+    case COMMAND_RELAY_TOGGLE:
+      buf[1] = (1 << (char_argument-1));
+      break;
+    
+    case COMMAND_RELAY_TIME_ON:
+    case COMMAND_RELAY_TIME_OFF:
+    case COMMAND_RELAY_TIME_CYCLIC:
+      buf[1] = char_argument-1;
+      buf[2] = (int_argument & 0xff); // low byte
+      buf[3] = (int_argument >> 8);   // high byte
+      break;
+
+    default:
+      break;
+  }
+  
+  /* These values might not make much sense are vital to the correct
+   * funtion of this program, so better don't touch them. */
+  ftdi_write_data_set_chunksize(&ftdic, 1);
+  ftdi_read_data_set_chunksize(&ftdic,  4);
+  
+  /* send the command */
+  if (ftdi_write_data(&ftdic, buf, COMMANDO_LENGTH) != COMMANDO_LENGTH)
+  {
+    fprintf(stderr, "%s: unable to send command: %s\n", *argv, 
+		    ftdi_get_error_string(&ftdic));
+    exit_gracefully(&ftdic, EXIT_CODE_FAILURE);
+  }
+ 
+  /* Read the card's response. */
+  start_time = time(NULL); 
+  while ((ret = ftdi_read_data(&ftdic, buf, 1)) == 0) {
+    usleep(500);
+    if (time(NULL)-start_time >= 2) {
+      fprintf(stderr, "%s: unable to read card response, the operation might have "
+      		      "failed\n", *argv);
+      exit_gracefully(&ftdic, EXIT_FAILURE);
+    }
+  }
+  
+  if (operation == COMMAND_GET_STATUS && buf[0] <= ((1 << 7)-1))
+  {
+     printf("relay status: %i (0b%s%s%s%s%s%s)\n", buf[0],
+            (buf[0] & (1 << 5)) ? "1" : "0", 
+	    (buf[0] & (1 << 4)) ? "1" : "0",
+	    (buf[0] & (1 << 3)) ? "1" : "0",
+            (buf[0] & (1 << 2)) ? "1" : "0",
+	    (buf[0] & (1 << 1)) ? "1" : "0",
+	    (buf[0] & (1 << 0)) ? "1" : "0");
+     exit_gracefully(&ftdic, EXIT_CODE_OK);
+  }
+
+  if (buf[0] != RESPONSE_OK)
+  {
+    fprintf(stderr, "%s: relay card returned: %s\n", *argv, card_strerror(buf[0]));
+    exit_gracefully(&ftdic, EXIT_FAILURE);
+  }
+  
+  /* we can exit now */
+  exit_gracefully(&ftdic, EXIT_CODE_OK);
+  return 0; // to make the compiler happy
+}
+
+void exit_gracefully(struct ftdi_context* ftdic, char exit_code)
+{
+  ftdi_usb_purge_buffers(ftdic);
+  ftdi_usb_close(ftdic); 
+  ftdi_deinit(ftdic);
+  
+  exit(exit_code);
+}
+
+int valid_argument(const char* str)
+{
+  int i;
+
+  for (i=0; i<strlen(str); i++)
+  {
+    if (!isdigit(str[i]) && (str[i] != '.'))
+      return 0;
+  }
+
+  return 1;
+}
+
+const char* card_strerror(int error)
+{
+  const char* message = "no error";
+  
+  switch (error)
+  {
+    case RESPONSE_OK:
+      message = "all fine";
+      break;
+    case RESPONSE_INVALID_COMMAND:
+      message = "invalid command";
+      break;
+    case RESPONSE_INVALID_ARGUMENT:
+      message = "invalid command argument";
+      break;
+    case RESPONSE_TRANSMISSION_ERROR:
+      message = "transmission error";
+      break;
+  }
+
+  return message;
+}
+
+void usage(char *name)
+{
+  printf("\nrelay control program usage ==================================================\n"
+	 "  -?/--help .............. dump this screen\n"
+	 "  -V/--version ........... echo some program information\n"
+	 "  -o/--on <num>: ......... switch relay <num> on\n"
+	 "  -f/--off <num>: ........ switch relay <num> off \n"
+	 "  -t/--toggle <num>: ..... toggle relay <num> \n"
+	 "  -s/--set <mask>: ....... set the status of all relays to <mask>\n"
+	 "  -S/--status: ........... get the current relay status\n"
+	 "  -v/--interval <units> .. specify a timing interval (in minutes)\n"
+	 "  -c/--cyclic: ........... makes a timing operation (-v) cyclic\n"
+         "  -a/--address <serial> .. addresses a specific card if multiple are installed\n"
+	 "  -d/--delete-timers ..... deletes all active timers\n"
+	 "  -l/--list-devices ...... lists all found FT232 devices\n\n");
+  exit(0);
+}
+
+void version(void)
+{
+  printf("\nThis is the relay control program version %s ($Revision: 26 $)\n"
+	 "----------------------------------------------------------------\n"
+	 "  written by Michael Gross, 2007\n"
+	 "  binary compiled: %s %s\n\n"
+	 "This program can be redistributed under the terms of the GNU GPL version 2\n"
+	 "or later. For more information about this software and the hardware, visit\n"
+	 "my homepage at http://www.coremelt.net. As usual with free software, there\n"
+	 "is ABSOLUTELY NO WARRANTY. For details, refer to the GPL.\n\n", VERSION, 
+	 __DATE__, __TIME__);
+  
+  exit(0);
+}