path: root/remotecfg/device.c (plain)
blob: 000cb6ee532b67a1c103789c87d59d4855fbdd9f

1	#include <stdio.h>
2	#include <unistd.h>
3	#include <errno.h>
4	#include <sys/ioctl.h>
5	#include <sys/types.h>
6	#include <sys/stat.h>
7	#include <fcntl.h>
8	#include <errno.h>
9	#include "common.h"
10
11	int CheckVersion(int fd)
12	{
13	char verBuf[64];
14
15	if (ioctl(fd, REMOTE_IOC_GET_DATA_VERSION, verBuf) < 0) {
16	fprintf(stderr, "get driver version error=%s\n",
17	strerror(errno));
18	return FAIL;
19	}
20	/*check share data version info*/
21	if (0 != strcasecmp(verBuf, SHARE_DATA_VERSION)) {
22	fprintf(stderr, "interface version not match:"\
23	"user[%s] unequal to kernel[%s]\n",
24	SHARE_DATA_VERSION, verBuf);
25	return FAIL;
26	}
27	return SUCC;
28	}
29
30	static int WriteSysFile(const char *dir, const char *fileName, unsigned int val)
31	{
32	int fd;
33	int len;
34	char fileBuf[MAX_LINE_LEN];
35	char wBuf[32];
36
37	snprintf(fileBuf, MAX_LINE_LEN, "%s%s", dir, fileName);
38	if ((fd = open(fileBuf, O_RDWR)) < 0) {
39	fprintf(stderr, "open %s: %s\n", fileBuf, strerror(errno));
40	return FAIL;
41	}
42
43	len = snprintf(wBuf, 32, "%u", val);
44	if (write(fd, (void *)wBuf, len+1) < 0) {
45	fprintf(stderr, "write %s: %s\n", fileBuf, strerror(errno));
46	close(fd);
47	return FAIL;
48	}
49
50	close(fd);
51	return SUCC;
52	}
53
54	int SetCfgPara(int devFd, const char *sysDir, S_CFG_FILE_T *cfgFile)
55	{
56	WriteSysFile(sysDir, "protocol", cfgFile->workMode);
57	WriteSysFile(sysDir, "repeat_enable", cfgFile->repeatEnable);
58	WriteSysFile(sysDir, "debug_enable", cfgFile->debugEnable);
59
60	if (ioctl(devFd, REMOTE_IOC_SET_SW_DECODE_PARA,
61	&cfgFile->sw_data) < 0) {
62	fprintf(stderr, "failed to set software decode paras: %s\n",
63	strerror(errno));
64	return FAIL;
65	}
66
67	return SUCC;
68	}
69
70	int SetTabPara(int devFd, S_TAB_FILE_T *tabFile)
71	{
72	if (ioctl(devFd, REMOTE_IOC_SET_KEY_NUMBER,
73	&tabFile->tab.map_size) < 0 ) {
74	fprintf(stderr, "failed to set key number: %s\n",
75	strerror(errno));
76	return FAIL;
77	}
78
79	if (ioctl(devFd, REMOTE_IOC_SET_KEY_MAPPING_TAB,
80	&tabFile->tab) < 0 ) {
81	fprintf(stderr, "failed to set map table: %s\n",
82	strerror(errno));
83	return FAIL;
84	}
85
86	return SUCC;
87	}
88
89	int OpenDevice(char *filename)
90	{
91	int fd;
92
93	if ((fd = open(filename, O_RDWR)) < 0)
94	fprintf(stderr, "open %s:%s\n", filename, strerror(errno));
95	return fd;
96	}
97
98	int CloseDevice(int fd)
99	{
100	if (fd >= 0)
101	close(fd);
102	return 0;
103	}
104