| /* plugctl.c |
| * A program to get or set any MPR or PCR register value. |
| * Copyright 2002-2004 Dan Dennedy |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| */ |
| |
| /* standard system includes */ |
| #include <unistd.h> |
| #include <string.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <strings.h> |
| #include <errno.h> |
| |
| /* linux1394 includes */ |
| #include <libraw1394/raw1394.h> |
| |
| #include "../src/iec61883.h" |
| |
| /************ DECLARE PRIVATE INTERFACE BITS OF LIBIEC61883!! **************/ |
| |
| /* standard CSR offsets for plugs */ |
| #define CSR_O_MPR 0x900 |
| #define CSR_O_PCR_0 0x904 |
| #define CSR_O_PCR_1 0x908 |
| #define CSR_O_PCR_2 0x90C |
| #define CSR_O_PCR_3 0x910 |
| |
| #define CSR_I_MPR 0x980 |
| #define CSR_I_PCR_0 0x984 |
| #define CSR_I_PCR_1 0x988 |
| #define CSR_I_PCR_2 0x98C |
| #define CSR_I_PCR_3 0x990 |
| |
| #if ( __BYTE_ORDER == __BIG_ENDIAN ) |
| |
| struct iec61883_oMPR { |
| unsigned int data_rate:2; |
| unsigned int bcast_channel:6; |
| unsigned int non_persist_ext:8; |
| unsigned int persist_ext:8; |
| unsigned int reserved:3; |
| unsigned int n_plugs:5; |
| }; |
| |
| struct iec61883_iMPR { |
| unsigned int data_rate:2; |
| unsigned int reserved:6; |
| unsigned int non_persist_ext:8; |
| unsigned int persist_ext:8; |
| unsigned int reserved2:3; |
| unsigned int n_plugs:5; |
| }; |
| |
| struct iec61883_oPCR { |
| unsigned int online:1; |
| unsigned int bcast_connection:1; |
| unsigned int n_p2p_connections:6; |
| unsigned int reserved:2; |
| unsigned int channel:6; |
| unsigned int data_rate:2; |
| unsigned int overhead_id:4; |
| unsigned int payload:10; |
| }; |
| |
| struct iec61883_iPCR { |
| unsigned int online:1; |
| unsigned int bcast_connection:1; |
| unsigned int n_p2p_connections:6; |
| unsigned int reserved:2; |
| unsigned int channel:6; |
| unsigned int reserved2:16; |
| }; |
| |
| #else |
| |
| struct iec61883_oMPR { |
| unsigned int n_plugs:5; |
| unsigned int reserved:3; |
| unsigned int persist_ext:8; |
| unsigned int non_persist_ext:8; |
| unsigned int bcast_channel:6; |
| unsigned int data_rate:2; |
| }; |
| |
| struct iec61883_iMPR { |
| unsigned int n_plugs:5; |
| unsigned int reserved2:3; |
| unsigned int persist_ext:8; |
| unsigned int non_persist_ext:8; |
| unsigned int reserved:6; |
| unsigned int data_rate:2; |
| }; |
| |
| struct iec61883_oPCR { |
| unsigned int payload:10; |
| unsigned int overhead_id:4; |
| unsigned int data_rate:2; |
| unsigned int channel:6; |
| unsigned int reserved:2; |
| unsigned int n_p2p_connections:6; |
| unsigned int bcast_connection:1; |
| unsigned int online:1; |
| }; |
| |
| struct iec61883_iPCR { |
| unsigned int reserved2:16; |
| unsigned int channel:6; |
| unsigned int reserved:2; |
| unsigned int n_p2p_connections:6; |
| unsigned int bcast_connection:1; |
| unsigned int online:1; |
| }; |
| |
| #endif |
| |
| /** |
| * iec61883_plug_get - Read a node's plug register. |
| * @h: A raw1394 handle. |
| * @n: The node id of the node to read |
| * @a: The CSR offset address (relative to base) of the register to read. |
| * @value: A pointer to a quadlet where the plug register's value will be stored. |
| * |
| * This function handles bus to host endian conversion. It returns 0 for |
| * suceess or -1 for error (errno available). |
| **/ |
| extern int |
| iec61883_plug_get(raw1394handle_t h, nodeid_t n, nodeaddr_t a, quadlet_t *value); |
| |
| |
| /** |
| * iec61883_plug_set - Write a node's plug register. |
| * @h: A raw1394 handle. |
| * @n: The node id of the node to read |
| * @a: The CSR offset address (relative to CSR base) of the register to write. |
| * @value: A quadlet containing the new register value. |
| * |
| * This uses a compare/swap lock operation to safely write the |
| * new register value, as required by IEC 61883-1. |
| * This function handles host to bus endian conversion. It returns 0 for success |
| * or -1 for error (errno available). |
| **/ |
| extern int |
| iec61883_plug_set(raw1394handle_t h, nodeid_t n, nodeaddr_t a, quadlet_t value); |
| |
| /** |
| * High level plug access macros |
| */ |
| |
| #define iec61883_get_oMPR(h,n,v) iec61883_plug_get((h), (n), CSR_O_MPR, (quadlet_t *)(v)) |
| #define iec61883_set_oMPR(h,n,v) iec61883_plug_set((h), (n), CSR_O_MPR, *((quadlet_t *)&(v))) |
| #define iec61883_get_oPCR0(h,n,v) iec61883_plug_get((h), (n), CSR_O_PCR_0, (quadlet_t *)(v)) |
| #define iec61883_set_oPCR0(h,n,v) iec61883_plug_set((h), (n), CSR_O_PCR_0, *((quadlet_t *)&(v))) |
| #define iec61883_get_oPCRX(h,n,v,x) iec61883_plug_get((h), (n), CSR_O_PCR_0+(4*(x)), (quadlet_t *)(v)) |
| #define iec61883_set_oPCRX(h,n,v,x) iec61883_plug_set((h), (n), CSR_O_PCR_0+(4*(x)), *((quadlet_t *)&(v))) |
| #define iec61883_get_iMPR(h,n,v) iec61883_plug_get((h), (n), CSR_I_MPR, (quadlet_t *)(v)) |
| #define iec61883_set_iMPR(h,n,v) iec61883_plug_set((h), (n), CSR_I_MPR, *((quadlet_t *)&(v))) |
| #define iec61883_get_iPCR0(h,n,v) iec61883_plug_get((h), (n), CSR_I_PCR_0, (quadlet_t *)(v)) |
| #define iec61883_set_iPCR0(h,n,v) iec61883_plug_set((h), (n), CSR_I_PCR_0, *((quadlet_t *)&(v))) |
| #define iec61883_get_iPCRX(h,n,v,x) iec61883_plug_get((h), (n), CSR_I_PCR_0+(4*(x)), (quadlet_t *)(v)) |
| #define iec61883_set_iPCRX(h,n,v,x) iec61883_plug_set((h), (n), CSR_I_PCR_0+(4*(x)), *((quadlet_t *)&(v))) |
| |
| /************ END PRIVATE INTERFACE **************/ |
| |
| #define FAIL(s) {fprintf(stderr, "libiec61883 error: %s\n", s);} |
| |
| static void usage() |
| { |
| printf("plugctl: [-p port}] [-n node] <plug>.<attribute>[=<value>]\n"); |
| printf("The equal sign determines whether you want to get or set the value\n"); |
| printf("of a plug's attribute.\n"); |
| printf("<plug> is one of oMPR, iMPR, oPCR[n], or iPCR[n] (case insensitive).\n"); |
| printf("Please supply a numerical index for [n]!\n"); |
| } |
| |
| int main(int argc, const char** argv) |
| { |
| raw1394handle_t handle; |
| struct iec61883_oMPR o_mpr; |
| struct iec61883_oPCR o_pcr; |
| struct iec61883_iMPR i_mpr; |
| struct iec61883_iPCR i_pcr; |
| int result = 0; |
| int port = 0; |
| int node = 0xffc0; |
| int is_got_ompr = 0, is_got_opcr[32], is_got_impr = 0, is_got_ipcr[32]; |
| int is_set_ompr = 0, is_set_opcr[32], is_set_impr = 0, is_set_ipcr[32]; |
| int i; |
| |
| if (argc == 1) { |
| usage(); |
| return 0; |
| } |
| |
| for (i = 0; i < 32; i++) { |
| is_got_opcr[i] = is_got_ipcr[i] = 0; |
| is_set_opcr[i] = is_set_ipcr[i] = 0; |
| } |
| |
| for (i = 1; i < argc; i++) |
| { |
| if (strcmp (argv[i], "-p") == 0) |
| port = atoi (argv[++i]); |
| } |
| |
| if (!(handle = raw1394_new_handle_on_port(port))) { |
| perror("raw1394 - couldn't get handle"); |
| printf("This error usually means that the raw1394 driver is not loaded or that /dev/raw1394 does not exist.\n"); |
| return EFAULT; |
| } |
| |
| for (i = 1; i < argc && result == 0; i++) |
| { |
| if (strcmp (argv[i], "-n") == 0) { |
| node |= atoi (argv[++i]); |
| } else if (strncmp (argv[i], "-h", 2) == 0) { |
| usage(); |
| return 0; |
| |
| } else { |
| char *plug = strdup (argv[i]); |
| char *attribute = strchr (plug, '.'); |
| |
| if (attribute != NULL) { |
| char *valuestr = strchr (attribute, '='); |
| *attribute++ = '\0'; |
| |
| if (valuestr != NULL) { |
| /* set */ |
| int value; |
| *valuestr++ = '\0'; |
| value = atoi (valuestr); |
| |
| if (strcasecmp (plug, "ompr") == 0) { |
| if (!is_got_ompr) { |
| result = iec61883_get_oMPR (handle, node, &o_mpr); |
| if (result < 0) |
| continue; |
| is_got_ompr = 1; |
| } |
| is_set_ompr = 1; |
| if (strcasecmp (attribute, "data_rate") == 0) { |
| o_mpr.data_rate = value; |
| } else if (strcasecmp (attribute, "bcast_channel") == 0) { |
| o_mpr.bcast_channel = value; |
| } else if (strcasecmp (attribute, "non_persist_ext") == 0) { |
| o_mpr.non_persist_ext = value; |
| } else if (strcasecmp (attribute, "persist_ext") == 0) { |
| o_mpr.persist_ext = value; |
| } else if (strcasecmp (attribute, "reserved") == 0) { |
| o_mpr.reserved = value; |
| } else if (strcasecmp (attribute, "n_plugs") == 0) { |
| o_mpr.n_plugs = value; |
| } else { |
| result = EINVAL; |
| continue; |
| } |
| |
| } else if (strcasecmp (plug, "impr") == 0) { |
| if (!is_got_impr) { |
| result = iec61883_get_iMPR (handle, node, &i_mpr); |
| if (result < 0) |
| continue; |
| is_got_impr = 1; |
| } |
| is_set_impr = 1; |
| if (strcasecmp (attribute, "data_rate") == 0) { |
| i_mpr.data_rate = value; |
| } else if (strcasecmp (attribute, "reserved") == 0) { |
| i_mpr.reserved = value; |
| } else if (strcasecmp (attribute, "non_persist_ext") == 0) { |
| i_mpr.non_persist_ext = value; |
| } else if (strcasecmp (attribute, "persist_ext") == 0) { |
| i_mpr.persist_ext = value; |
| } else if (strcasecmp (attribute, "reserved2") == 0) { |
| i_mpr.reserved2 = value; |
| } else if (strcasecmp (attribute, "n_plugs") == 0) { |
| i_mpr.n_plugs = value; |
| } else { |
| result = EINVAL; |
| continue; |
| } |
| |
| } else if (strncasecmp (plug, "opcr[", 5) == 0) { |
| int idx = atoi (plug + 5); |
| if (!is_got_opcr[idx]) { |
| result = iec61883_get_oPCRX (handle, node, &o_pcr, idx); |
| if (result < 0) |
| continue; |
| is_got_opcr[idx]; |
| } |
| is_set_opcr[idx] = 1; |
| if (strcasecmp (attribute, "online") == 0) { |
| o_pcr.online = value; |
| } else if (strcasecmp (attribute, "bcast_connection") == 0) { |
| o_pcr.bcast_connection = value; |
| } else if (strcasecmp (attribute, "n_p2p_connections") == 0) { |
| o_pcr.n_p2p_connections = value; |
| } else if (strcasecmp (attribute, "reserved") == 0) { |
| o_pcr.reserved = value; |
| } else if (strcasecmp (attribute, "channel") == 0) { |
| o_pcr.channel = value; |
| } else if (strcasecmp (attribute, "data_rate") == 0) { |
| o_pcr.data_rate = value; |
| } else if (strcasecmp (attribute, "overhead_id") == 0) { |
| o_pcr.overhead_id = value; |
| } else if (strcasecmp (attribute, "payload") == 0) { |
| o_pcr.payload = value; |
| } else { |
| result = EINVAL; |
| continue; |
| } |
| |
| } else if (strncasecmp (plug, "ipcr[", 5) == 0) { |
| int idx = atoi (plug + 5); |
| if (!is_got_ipcr[idx]) { |
| result = iec61883_get_iPCRX (handle, node, &i_pcr, idx); |
| if (result < 0) |
| continue; |
| is_got_ipcr[idx]; |
| } |
| is_set_ipcr[idx] = 1; |
| if (strcasecmp (attribute, "online") == 0) { |
| i_pcr.online = value; |
| } else if (strcasecmp (attribute, "bcast_connection") == 0) { |
| i_pcr.bcast_connection = value; |
| } else if (strcasecmp (attribute, "n_p2p_connections") == 0) { |
| i_pcr.n_p2p_connections = value; |
| } else if (strcasecmp (attribute, "reserved") == 0) { |
| i_pcr.reserved = value; |
| } else if (strcasecmp (attribute, "channel") == 0) { |
| i_pcr.channel = value; |
| } else if (strcasecmp (attribute, "reserved2") == 0) { |
| i_pcr.reserved2 = value; |
| } else { |
| result = EINVAL; |
| continue; |
| } |
| |
| } else { |
| result = EINVAL; |
| continue; |
| } |
| } else { |
| /* get */ |
| if (strcasecmp (plug, "ompr") == 0) { |
| result = iec61883_get_oMPR (handle, node, &o_mpr); |
| if (result < 0) |
| continue; |
| if (strcasecmp (attribute, "data_rate") == 0) { |
| printf ("%d\n", o_mpr.data_rate); |
| } else if (strcasecmp (attribute, "bcast_channel") == 0) { |
| printf ("%d\n", o_mpr.bcast_channel); |
| } else if (strcasecmp (attribute, "non_persist_ext") == 0) { |
| printf ("%d\n", o_mpr.non_persist_ext); |
| } else if (strcasecmp (attribute, "persist_ext") == 0) { |
| printf ("%d\n", o_mpr.persist_ext); |
| } else if (strcasecmp (attribute, "reserved") == 0) { |
| printf ("%d\n", o_mpr.reserved); |
| } else if (strcasecmp (attribute, "n_plugs") == 0) { |
| printf ("%d\n", o_mpr.n_plugs); |
| } else { |
| result = EINVAL; |
| continue; |
| } |
| |
| } else if (strcasecmp (plug, "impr") == 0) { |
| result = iec61883_get_iMPR (handle, node, &i_mpr); |
| if (result < 0) |
| continue; |
| if (strcasecmp (attribute, "data_rate") == 0) { |
| printf ("%d\n", i_mpr.data_rate); |
| } else if (strcasecmp (attribute, "reserved") == 0) { |
| printf ("%d\n", i_mpr.reserved); |
| } else if (strcasecmp (attribute, "non_persist_ext") == 0) { |
| printf ("%d\n", i_mpr.non_persist_ext); |
| } else if (strcasecmp (attribute, "persist_ext") == 0) { |
| printf ("%d\n", i_mpr.persist_ext); |
| } else if (strcasecmp (attribute, "reserved2") == 0) { |
| printf ("%d\n", i_mpr.reserved2); |
| } else if (strcasecmp (attribute, "n_plugs") == 0) { |
| printf ("%d\n", i_mpr.n_plugs); |
| } else { |
| result = EINVAL; |
| continue; |
| } |
| |
| } else if (strncasecmp (plug, "opcr[", 5) == 0) { |
| int idx = atoi (plug + 5); |
| result = iec61883_get_oPCRX (handle, node, &o_pcr, idx); |
| if (result < 0) |
| continue; |
| if (strcasecmp (attribute, "online") == 0) { |
| printf ("%d\n", o_pcr.online); |
| } else if (strcasecmp (attribute, "bcast_connection") == 0) { |
| printf ("%d\n", o_pcr.bcast_connection); |
| } else if (strcasecmp (attribute, "n_p2p_connections") == 0) { |
| printf ("%d\n", o_pcr.n_p2p_connections); |
| } else if (strcasecmp (attribute, "reserved") == 0) { |
| printf ("%d\n", o_pcr.reserved); |
| } else if (strcasecmp (attribute, "channel") == 0) { |
| printf ("%d\n", o_pcr.channel); |
| } else if (strcasecmp (attribute, "data_rate") == 0) { |
| printf ("%d\n", o_pcr.data_rate); |
| } else if (strcasecmp (attribute, "overhead_id") == 0) { |
| printf ("%d\n", o_pcr.overhead_id); |
| } else if (strcasecmp (attribute, "payload") == 0) { |
| printf ("%d\n", o_pcr.payload); |
| } else { |
| result = EINVAL; |
| continue; |
| } |
| |
| } else if (strncasecmp (plug, "ipcr[", 5) == 0) { |
| int idx = atoi (plug + 5); |
| result = iec61883_get_iPCRX (handle, node, &i_pcr, idx); |
| if (result < 0) |
| continue; |
| if (strcasecmp (attribute, "online") == 0) { |
| printf ("%d\n", i_pcr.online); |
| } else if (strcasecmp (attribute, "bcast_connection") == 0) { |
| printf ("%d\n", i_pcr.bcast_connection); |
| } else if (strcasecmp (attribute, "n_p2p_connections") == 0) { |
| printf ("%d\n", i_pcr.n_p2p_connections); |
| } else if (strcasecmp (attribute, "reserved") == 0) { |
| printf ("%d\n", i_pcr.reserved); |
| } else if (strcasecmp (attribute, "channel") == 0) { |
| printf ("%d\n", i_pcr.channel); |
| } else if (strcasecmp (attribute, "reserved2") == 0) { |
| printf ("%d\n", i_pcr.reserved2); |
| } else { |
| result = EINVAL; |
| continue; |
| } |
| |
| } else { |
| result = EINVAL; |
| continue; |
| } |
| } |
| } |
| free (plug); |
| } |
| } |
| if (result == 0 && is_set_ompr) |
| result = iec61883_set_oMPR (handle, node, o_mpr); |
| if (result == 0 && is_set_impr) |
| result = iec61883_set_iMPR (handle, node, i_mpr); |
| for (i = 0; result == 0 && i < 32; i++) { |
| if (is_set_opcr[i]) |
| result = iec61883_set_oPCRX (handle, node, o_pcr, i); |
| if (is_set_ipcr[i]) |
| result = iec61883_set_iPCRX (handle, node, i_pcr, i); |
| } |
| raw1394_destroy_handle(handle); |
| |
| return result; |
| } |
