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driver.h
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1 /****************************************************************************
2 ** driver.h **************************************************************
3 ****************************************************************************
4 *
5 * Copyright (C) 1999 Christoph Bartelmus <lirc@bartelmus.de>
6 *
7 */
8 
20 #ifndef _HARDWARE_H
21 #define _HARDWARE_H
22 
23 #include <glob.h>
24 #include <stdint.h>
25 
26 #ifdef HAVE_KERNEL_LIRC_H
27 #include <linux/lirc.h>
28 #else
29 #include "media/lirc.h"
30 #endif
31 
32 #include "lirc/ir_remote_types.h"
33 #include "lirc/curl_poll.h"
34 
35 #ifndef MAXPATHLEN
36 #define MAXPATHLEN 4096
37 #endif
38 
40 #define HAVE_SERVER_VERSION 1
41 
43 int get_server_version(void);
44 
45 
46 #ifdef __cplusplus
47 extern "C" {
48 #endif
49 
51 #define DRV_ERR_NOT_IMPLEMENTED 1
52 
54 int default_open(const char* path);
55 
57 int default_close(void);
58 
60 int default_drvctl(unsigned int cmd, void* arg);
61 
63 struct option_t {
64  char key[32];
65  char value[64];
66 };
67 
72 int drv_handle_options(const char* options);
73 
74 
76 #define DRVCTL_GET_STATE 1
77 
79 #define DRVCTL_SEND_SPACE 2
80 
82 #define DRVCTL_SET_OPTION 3
83 
88 #define DRVCTL_GET_RAW_CODELENGTH 4
89 
99 #define DRVCTL_GET_DEVICES 5
100 
102 #define DRVCTL_FREE_DEVICES 6
103 
109 #define DRVCTL_NOTIFY_DECODE 7
110 
112 #define DRVCTL_MAX 128
113 
115 #define DRV_ERR_NOT_IMPLEMENTED 1
116 
118 #define DRV_ERR_BAD_STATE 2
119 
121 #define DRV_ERR_BAD_OPTION 3
122 
124 #define DRV_ERR_BAD_VALUE 4
125 
127 #define DRV_ERR_ENUM_EMPTY 5
128 
130 #define DRV_ERR_INTERNAL 6
131 
136 struct driver {
137 // Old-style implicit API version 1:
138 
143  const char* device;
144 
146  int fd;
147 
149  uint32_t features;
150 
155  uint32_t send_mode;
156 
161  uint32_t rec_mode;
162 
164  const uint32_t code_length;
165 
172  int (*const open_func) (const char* device);
173 
178  int (*const init_func)(void);
179 
184  int (*const deinit_func) (void);
185 
192  int (*const send_func)(struct ir_remote* remote,
193  struct ir_ncode* code);
194 
201  char* (*const rec_func)(struct ir_remote* remotes);
202 
206  int (*const decode_func)(struct ir_remote* remote,
207  struct decode_ctx_t* ctx);
208 
213  int (*const drvctl_func)(unsigned int cmd, void* arg);
214 
222  lirc_t (*const readdata)(lirc_t timeout);
223 
228  const char* name;
229 
234  unsigned int resolution;
235 
236 /* API version 2 addons: */
237 
238  const int api_version;
239  const char* driver_version;
240  const char* info;
242  int (*const close_func)(void);
244 /* API version 3 addons: */
259  const char* const device_hint;
260 };
261 
264 #ifdef IN_DRIVER
265 
266 extern struct driver drv;
267 #endif
268 
270 extern const struct driver* const curr_driver;
271 
272 
273 #ifdef __cplusplus
274 }
275 #endif
276 
277 #endif
int(*const send_func)(struct ir_remote *remote, struct ir_ncode *code)
Send data to the remote.
Definition: driver.h:192
int(*const open_func)(const char *device)
Function called to do basic driver setup.
Definition: driver.h:172
One remote as represented in the configuration file.
Argument for DRV_SET_OPTION.
Definition: driver.h:63
int default_close(void)
For now, a placeholder.
Definition: driver.c:52
int fd
Set by the driver after init().
Definition: driver.h:146
const char * info
Free text driver info.
Definition: driver.h:240
char *(*const rec_func)(struct ir_remote *remotes)
Receive data from remote.
Definition: driver.h:201
const struct driver *const curr_driver
Read-only access to drv for application.
Definition: driver.c:34
unsigned int resolution
The resolution in microseconds of the recorded durations when reading signals.
Definition: driver.h:234
lirc_t(*const readdata)(lirc_t timeout)
Get length of next pulse/space from hardware.
Definition: driver.h:222
int(*const drvctl_func)(unsigned int cmd, void *arg)
Generic driver control function with semantics as defined by driver Returns 0 on success, else a positive error code.
Definition: driver.h:213
uint32_t rec_mode
Possible values are: LIRC_MODE_RAW, LIRC_MODE_PULSE, LIRC_MODE_MODE2, LIRC_MODE_LIRCCODE.
Definition: driver.h:161
struct driver drv
The global driver data that drivers etc are accessing.
Definition: driver.c:28
const char * driver_version
Driver version (free text).
Definition: driver.h:239
const int api_version
API version (from version 2+).
Definition: driver.h:238
uint32_t features
Code for the features of the present device, valid after init().
Definition: driver.h:149
int(*const deinit_func)(void)
Function called when transmitting/receiving stops.
Definition: driver.h:184
int default_drvctl(unsigned int cmd, void *arg)
Return DRV_ERR_NOTIMPLEMENTED.
Definition: driver.c:57
uint32_t send_mode
Possible values are: LIRC_MODE_RAW, LIRC_MODE_PULSE, LIRC_MODE_MODE2, LIRC_MODE_LIRCCODE.
Definition: driver.h:155
The data the driver exports i.
Definition: driver.h:136
IR Command, corresponding to one (command defining) line of the configuration file.
const uint32_t code_length
Length in bits of the code.
Definition: driver.h:164
State describing code, pre, post + gap and repeat state.
int drv_handle_options(const char *options)
Parse an option string "key:value;key:value..." and invoke drvctl DRV_SET_OPTION as appropriate...
Definition: driver.c:63
const char *const device_hint
device_hint is a mean for config tools to autodetect devices.
Definition: driver.h:259
int(*const init_func)(void)
Function called for initializing the driver and the hardware.
Definition: driver.h:178
const char * name
Driver name, as listed by -H help and used as argument to i –driver.
Definition: driver.h:228
int default_open(const char *path)
Stores path in drv.device if non-null.
Definition: driver.c:37
ir_code code
The first code of the command.
int(*const decode_func)(struct ir_remote *remote, struct decode_ctx_t *ctx)
TODO.
Definition: driver.h:206
int(*const close_func)(void)
Hard closing, returns 0 on OK.
Definition: driver.h:242
int get_server_version(void)
Return numeric server version, m.v.r => 10000 * m + 100 * v + r.
Definition: driver.c:22
const char * device
Name of the device (string).
Definition: driver.h:143