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-rw-r--r--packages/sccd/files/scc.c412
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diff --git a/packages/sccd/files/scc.c b/packages/sccd/files/scc.c
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--- a/packages/sccd/files/scc.c
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-/*
- * Copyright (c) 2006
- * Protium Computing, Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by Protium Computing, Inc.
- * 4. The name of Protium Computing, Inc. may not be used to endorse or
- * promote products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY PROTIUM COMPUTING ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL PROTIUM COMPUTING BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-#include <stdio.h>
-#include <fcntl.h>
-#include <time.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <strings.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/ioctl.h>
-#include <sys/select.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <termios.h>
-
-#include "scc.h"
-
-char * prog;
-int initialize = 0;
-int verbose = 0;
-
-scc_cmd_t powercmds[] = {
- { "a", 0x61000000},
- { "run", SCC_RUN},
- { "off", SCC_STOP},
- { "advoff", SCC_ADVISESTOP},
- { "restart", SCC_RESTART,},
- { "advrestart", SCC_ADVISERESTART},
- { "reset", SCC_RESET,},
- { "advreset", SCC_ADVISERESET},
- { "EOT", -1}};
-
-scc_cmd_t ledcmds[] = {
- { "off", SCC_LEDOFF},
- { "blue", SCC_LEDBLUE},
- { "red", SCC_LEDRED},
- { "blueflash", SCC_LEDBLUEFLASH},
- { "redflash", SCC_LEDREDFLASH},
- { "alternate", SCC_LEDALTERNATE1},
- { "alternate3", SCC_LEDALTERNATE3},
- { "EOT", -1}};
-
-scc_cmd_t fancmds[]= {
- { "auto", SCC_FANAUTO},
- { "on", SCC_FANON},
- { "EOT", -1}};
-
-void
-usage(void)
-{
- int i;
- scc_cmd_t *c;
-
- fprintf(stderr, "Usage: %s OPTIONS\n", prog);
- fprintf(stderr,"%s controls the Iomega StorCenter's LED, fan and soft power.\n\n", prog);
- fprintf(stderr," -?\t\tthis message\n");
- fprintf(stderr," -v\t\tverbose, show all packets\n");
- fprintf(stderr," -d\t\tsend send directly, stop/restart only\n");
- fprintf(stderr,"\n -p POWER\tcontrol soft power\n");
- fprintf(stderr,"\t\tPOWER=[");
- for (c = powercmds,i=0; c->scc_cmdval != -1; c++,i++) {
- if (i) fprintf(stderr,"|");
- fprintf(stderr,"%s", c->scc_cmd);
- }
- fprintf(stderr,"]\n\n");
-
- fprintf(stderr," -l LED\tcontrol LED state\n");
- fprintf(stderr,"\t\tLED=[");
- for (c = ledcmds,i=0; c->scc_cmdval != -1; c++,i++) {
- if (i) fprintf(stderr,"|");
- fprintf(stderr,"%s", c->scc_cmd);
- }
- fprintf(stderr,"]\n -r RATE\tRate the LED flashes (0<=RATE<256)\n\n");
-
-
- fprintf(stderr," -f FAN\tcontrol fan operation\n");
- fprintf(stderr,"\t\tFAN=[");
- for (c = fancmds,i=0; c->scc_cmdval != -1; c++,i++) {
- if (i) fprintf(stderr,"|");
- fprintf(stderr,"%s", c->scc_cmd);
- }
- fprintf(stderr,"]\n -h TEMP\tHot temp when FAN=auto should go on (0<=TEMP<256)\n");
- fprintf(stderr," -c TEMP\tCold temp when FAN=auto should go off (0<=TEMP<256)\n");
-
- (void)exit(2);
-}
-
-int
-sendrecv(int fd, int *i, int *j)
-{
- char buf[8];
- int rc;
- fd_set fds;
- struct timeval sec = {1, 0};
- struct timespec tenth_sec = {0, 100000000};
-
-
- /* build the buffer */
- *(int *)(buf) = *i;
- *(int *)(buf + 4) = *j;
-
- if (verbose)
- printf("Send: [0x%08x 0x%08x]\n", *i, *j);
-
- if ((rc = write(fd, buf, 8)) != 8) {
- perror("write failed failed");
- return(-1);
- }
-
- /* Wait for data */
- FD_ZERO(&fds);
- FD_SET(fd, &fds);
- rc = select(1024, &fds, NULL, NULL, &sec);
-
- if (rc == -1) {
- perror("select failed");
- return (-1);
- } else if (!rc) {
- perror("select timedout");
- return (-1);
- }
-
- /* Consume it */
- if ((rc = read(fd, buf, 8)) != 8) {
- perror("read failed failed");
- return(-1);
- }
-
- *i = *(int *)(buf);
- *j = *(int *)(buf + 4);
-
- if (verbose)
- printf("Recv: [0x%08x 0x%08x]\n", *i, *j);
-
- /* Let it rest */
- nanosleep(&tenth_sec, NULL);
-
- return(0);
-}
-
-int
-setup_clnt()
-{
- int s, len;
- struct sockaddr_un remote;
-
- if ((s = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
- return(-1);
- }
-
- remote.sun_family = AF_UNIX;
- strcpy(remote.sun_path, SCC_SOCKET);
- len = strlen(remote.sun_path) + sizeof(remote.sun_family);
- if (connect(s, (struct sockaddr *)&remote, len) == -1) {
- return(-1);
- }
-
- return(s);
-}
-
-int
-setup_cntlr(int *i, int *j)
-{
- int fd;
- char *dev = SCC_DEVICE;
- struct termios ti;
-
- /* setup the serial connection to 9600, 8n1 */
- if ((fd = open(dev, O_RDWR|O_NOCTTY)) < 0) {
- perror("Open failed");
- return(-1);
- }
-
- if (ioctl(fd, TCGETS, &ti) < 0) {
- perror("TCGETS failed");
- return(-1);
- }
-
- if (ioctl(fd, TCFLSH, 0) < 0) {
- perror("TCFLSH failed");
- return(-1);
- }
-
- ti.c_iflag = IGNPAR;
- ti.c_oflag = 0;
- ti.c_cflag = (B9600 | CS8 | CREAD | CLOCAL);
- ti.c_lflag = 0;
- ti.c_line = N_TTY;
- bzero(ti.c_cc, NCCS);
- ti.c_cc[VMIN] = 0x08;
-
- if (ioctl(fd, TCSETS, &ti) < 0) {
- perror("TCSETS failed");
- return(-1);
- }
-
- if (verbose) printf("Resetting microcontroller\n");
- *i = SCC_RESETW1;
- *j = SCC_RESETW2;
- scc_setval(i, SCC_IDMASK, SCC_HOST);
- scc_setval(j, SCC_CKSUMMASK, (int)scc_cksum(i, j));
- if (sendrecv(fd, i, j) < 0)
- return(-1);
-
- return(fd);
-}
-
-int
-main(int argc, char *argv[])
-{
-
- int devfd, w1, w2, h1, h2;
- int coldtemp, hottemp, fancmd;
- int ledrate, ledcmd;
- int powercmd;
- int direct;
- int c;
- char buf[SCC_PACKETLEN];
- scc_cmd_t *ct;
-
- extern char *optarg;
- extern int optind, opterr, optopt;
-
- prog = argv[0];
- fancmd = coldtemp = hottemp = -1;
- ledcmd = ledrate = -1;
- powercmd = -1;
- direct = 0;
-
- while ((c = getopt(argc, argv, "c:df:h:l:p:r:wv?")) != EOF) {
- switch (c) {
- case 'c':
- if (coldtemp != -1) /* more than one -c arg */
- usage();
-
- coldtemp = atoi(optarg);
- if ((coldtemp > 255) || (coldtemp < 0))
- usage();
- break;
- case 'd':
- direct = 1;
- break;
- case 'f':
- if (fancmd != -1) /* more than one -f arg */
- usage();
-
- for (ct = fancmds; ct->scc_cmdval != -1; ct++) {
- if (!strcmp(ct->scc_cmd, optarg)) {
- fancmd = ct->scc_cmdval;
- }
- }
-
- if (fancmd == -1) /* Failed to find the req */
- usage();
-
- break;
- case 'h':
- if (hottemp != -1) /* more than one -h arg */
- usage();
-
- hottemp = atoi(optarg);
- if ((hottemp > 255) || (hottemp < 0))
- usage();
- break;
- case 'l':
- if (ledcmd != -1) /* more than one -l arg */
- usage();
-
- for (ct = ledcmds; ct->scc_cmdval != -1; ct++) {
- if (!strcmp(ct->scc_cmd, optarg)) {
- ledcmd = ct->scc_cmdval;
- }
- }
-
- if (ledcmd == -1) /* Failed to find the req */
- usage();
- break;
- case 'p':
- if (powercmd != -1) /* more than one -p arg */
- usage();
-
- for (ct = powercmds; ct->scc_cmdval != -1; ct++) {
- if (!strcmp(ct->scc_cmd, optarg)) {
- powercmd = ct->scc_cmdval;
- }
- }
-
- if (powercmd == -1) /* Failed to find the req */
- usage();
- break;
- case 'r':
- if (ledrate != -1) /* more than one -h arg */
- usage();
-
- ledrate = atoi(optarg);
- if ((ledrate > 255) || (ledrate < 0))
- usage();
- break;
- case 'v':
- verbose=1;
- break;
- case '?':
- usage();
- break;
-
- }
- }
-
- if (direct) {
- /*
- * Setup the cntlr connection
- */
- if ((devfd = setup_cntlr(&w1, &w2)) < 0)
- exit(1);
- scc_defaults(&w1, &w2);
- } else {
- /*
- * Setup the clnt connection, if we get an connection
- * refused that means the daemon isn't listening.
- * so go direct
- */
- w1 = 0;
- w2 = 0;
- if ((devfd = setup_clnt()) < 0) {
- /* log it */
- if ((devfd = setup_cntlr(&w1, &w2)) < 0)
- exit(1);
- direct = 1;
- scc_defaults(&w1, &w2);
- }
- }
-
- /*
- * Direct (direct to the cntlr):
- * w1 and w2 are setup with the default cntlr packet.
- * Now lets poke the command line args into the packet.
- *
- * Nondirect (via the daemon):
- * w1 and w2 are setup with nulls. The packet sent to the daemon
- * contains only the changes to the current state.
- */
- if (powercmd != -1)
- scc_setval(&w1, SCC_POWERMASK, powercmd);
- if (ledcmd != -1)
- scc_setval(&w1, SCC_LEDMASK, ledcmd);
- if (ledrate != -1)
- scc_setrate(&w1, SCC_LEDRATEMASK, SCC_LEDRATESHIFT, ledrate);
- if (fancmd != -1)
- scc_setval(&w1, SCC_FANMASK, fancmd);
-
- if (coldtemp != -1)
- scc_setrate(&w2,
- SCC_FANTEMPOFFMASK, SCC_FANTEMPOFFSHIFT, coldtemp);
- if (hottemp != -1)
- scc_setrate(&w2,
- SCC_FANTEMPONMASK, SCC_FANTEMPONSHIFT, hottemp);
-
- scc_setval(&w2, SCC_IDMASK, SCC_HOST);
- scc_setval(&w2, SCC_CKSUMMASK, (int)scc_cksum(&w1, &w2));
-
-
- if (direct) {
- if (verbose) {
- printf("New State: \n");
- scc_validate(&w1, &w2, verbose);
- }
-
- if (sendrecv(devfd, &w1, &w2) < 0)
- exit(1);
- } else {
- *(int *)(&buf[0]) = w1;
- *(int *)(&buf[4]) = w2;
-
- if (send(devfd, buf, SCC_PACKETLEN, 0) == -1) {
- perror("send");
- exit(1);
- }
- }
-
- close(devfd);
- exit(0);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 13:07:35 +0000