146 lines
4.1 KiB
C
146 lines
4.1 KiB
C
/***************************************************************************
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* Copyright (C) 02/2012 by Olaf Rempel *
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* razzor@kopf-tisch.de *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <termios.h>
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#include "event.h"
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#include "logging.h"
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#define PIC_CMD_FANSPEED_0 0x30
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#define PIC_CMD_FANSPEED_1 0x31
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#define PIC_CMD_FANSPEED_2 0x32
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#define PIC_CMD_FANSPEED_3 0x33
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#define PIC_CMD_FANSPEED_4 0x34
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#define PIC_CMD_FANSPEED_5 0x35
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#define PIC_CMD_AUTOPOWER_ON 0x48
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#define PIC_CMD_AUTOPOWER_OFF 0x49
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#define PIC_CMD_POWERLED_OFF 0x4B
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#define PIC_CMD_POWERLED_2HZ 0x4C
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#define PIC_CMD_POWERLED_ON 0x4D
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#define PIC_CMD_POWERLED_1HZ 0x4E
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#define PIC_CMD_BUZZ_SHORT 0x50
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#define PIC_CMD_BUZZ_LONG 0x51
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#define PIC_CMD_STATUSLED_RED_2HZ 0x54
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#define PIC_CMD_STATUSLED_GREEN_2HZ 0x55
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#define PIC_CMD_STATUSLED_GREENON 0x56
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#define PIC_CMD_STATUSLED_REDON 0x57
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#define PIC_CMD_STATUSLED_REDGREEN_2HZ 0x58
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#define PIC_CMD_STATUSLED_OFF 0x59
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#define PIC_CMD_STATUSLED_GREEN_1HZ 0x5A
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#define PIC_CMD_STATUSLED_RED_1HZ 0x5B
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#define PIC_CMD_STATUSLED_REDGREEN_1HZ 0x5C
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#define PIC_CMD_USBLED_ON 0x60
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#define PIC_CMD_USBLED_8HZ 0x61
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#define PIC_CMD_USBLED_OFF 0x62
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struct picdev {
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int fd;
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struct termios oldtio;
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};
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static struct picdev *g_dev;
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static int pic_close(struct picdev *dev)
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{
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tcsetattr(dev->fd, TCSANOW, &dev->oldtio);
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close(dev->fd);
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return 0;
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}
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static int pic_open(struct picdev *dev, const char *device)
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{
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dev->fd = open(device, O_RDWR);
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if (dev->fd < 0) {
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log_print(LOG_ERROR, "%s(): failed to open '%s'", __FUNCTION__, device);
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return -1;
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}
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tcgetattr(dev->fd, &dev->oldtio);
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struct termios newtio;
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memset(&newtio, 0, sizeof(newtio));
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newtio.c_iflag |= IGNBRK;
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newtio.c_lflag &= ~(ISIG | ICANON | ECHO);
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newtio.c_cflag = B19200 | CS8 | CLOCAL | CREAD;
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newtio.c_cc[VMIN] = 1;
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newtio.c_cc[VTIME] = 0;
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cfsetospeed(&newtio, B19200);
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cfsetispeed(&newtio, B19200);
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int err = tcsetattr(dev->fd, TCSAFLUSH, &newtio);
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if (err < 0) {
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log_print(LOG_ERROR, "%s(): failed to set termios", __FUNCTION__);
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close(dev->fd);
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return -1;
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}
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return 0;
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}
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static int pic_read_cb(int fd, void *privdata)
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{
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struct picdev *dev = (struct picdev *)privdata;
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unsigned char event;
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int len = read(dev->fd, &event, 1);
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if (len < 0)
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return -1;
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log_print(LOG_DEBUG, "%s(): 0x%02x", __FUNCTION__, event);
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return 0;
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}
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void pic_init(void)
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{
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struct picdev *dev = malloc(sizeof(struct picdev));
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if (dev == NULL) {
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log_print(LOG_ERROR, "%s(): out of memory", __FUNCTION__);
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return;
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}
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memset(dev, 0, sizeof(struct picdev));
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if (pic_open(dev, "/dev/ttyS1")< 0) {
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free(dev);
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return;
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}
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event_add_readfd(NULL, dev->fd, pic_read_cb, dev);
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g_dev = dev; // HACK
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}
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void pic_exit(void)
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{
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pic_close(g_dev);
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}
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