1 /*
2 ********************************************************************************
3 * USB UVC Driver
4 *
5 * (c) Copyright 2010-2015, All winners Co,Ld.
6 * All Right Reserved
7 *
8 * FileName : usbWebcam.h
9 *
10 * Author : Kingvan.Tong
11 *
12 * Date : 2013.03.26
13 *
14 * Description : USB Webcam
15 *
16 * Others : NULL
17 *
18 * History:
19 * <time> <version > <author> <desc>
20 * 2013.03.26 1.0 Kingvan.Tong build this file
21 *
22 ********************************************************************************
23 */
24 #include <stdio.h>
25 #include <string.h>
26 #include "usb_os_platform.h"
27 #include "error.h"
28 #include "video.h"
29 #include "uvcvideo.h"
30 #include "usbWebcam.h"
31 #include "hal_mem.h"
32 #include "hal_log.h"
33 #include "drv_webcam.h"
34
35 static usbWebcam_t *g_usbWebcam = NULL;
36 typedef __s32 (*active_buf) (struct uvc_streaming *stream) ;
37
38 static active_buf p_func;
39
transport(__u32 addr0,__u32 addr1,__u32 addr2)40 static __s32 transport(__u32 addr0, __u32 addr1, __u32 addr2)
41 {
42 UVCDev_t *UVCDev = NULL;
43
44 UVCDev = g_usbWebcam->UVCDev;
45
46 hal_log_info("usb:(%x,%x,%x),(%x,%x,%x), %x,%x\n", addr0, addr1, addr2,
47 UVCDev->frame_buf0, UVCDev->frame_buf1, UVCDev->frame_buf2, (unsigned int)UVCDev->active_buf, (unsigned int)g_usbWebcam->uvc_irq);
48 if((void *)addr0 != NULL)
49 {
50 UVCDev->frame_len = 640*480;
51 UVCDev->exchange_buf = g_usbWebcam->uvc_irq;
52
53 UVCDev->frame_buf0 = addr0;
54 UVCDev->frame_buf1 = 0;
55 UVCDev->frame_buf2 = 0;
56
57 if(UVCDev->active_buf==NULL)
58 {
59 //printf("UVCDev->active_buf==NULL p_func=%x\n",p_func);
60 UVCDev->active_buf = p_func;
61 }
62 UVCDev->active_buf(UVCDev->streams);
63 }
64 else
65 {
66 if(UVCDev->active_buf) {
67 p_func = UVCDev->active_buf;
68 }
69 UVCDev->frame_len = 0;
70 UVCDev->active_buf = NULL;
71 UVCDev->exchange_buf = NULL;
72 UVCDev->frame_buf0 = 0;
73 UVCDev->frame_buf1 = 0;
74 UVCDev->frame_buf2 = 0;
75 //printf("transport UVCDev->active_buf==NULL\n");
76 }
77
78 return 0;
79 }
80
usbWebcam_probe(UVCDev_t * UVCDev)81 __s32 usbWebcam_probe(UVCDev_t *UVCDev)
82 {
83 usbWebcam_t *usbWebcam = NULL;
84 __u8 err = 0;
85 __s32 ret = 0;
86 extern __s32 DRV_WEBCAM_MInit(void);
87 extern __s32 DEV_WEBCAM_Ioctrl(__hdle hWebcam, __u32 cmd, __s32 aux, void *pbuffer);
88
89 if(UVCDev == NULL || g_usbWebcam == NULL){
90 hal_log_err("ERR: usbWebcamProbe: input error, 0x%x,0x%x\n", (unsigned int)UVCDev, (unsigned int)g_usbWebcam);
91 return -1;
92 }
93 usbWebcam = g_usbWebcam;
94
95 usbWebcam->UVCDev = UVCDev;
96 UVCDev->Extern = usbWebcam;
97
98 DRV_WEBCAM_MInit();
99 // usbWebcam->webcamHdl = fopen("b:\\UVC\\WEBCAM","r+");
100 if( usbWebcam->webcamHdl == NULL )
101 {
102 __s32 i;
103
104 hal_log_info("don't fined drv_webcam\n");
105 for( i = 0; i < UVC_URBS; ++i )
106 {
107 UVCDev->urb_mem[i] = usbWebcam->urb_mem[i];
108 }
109 } else {
110 printf("%s %d %s usbWebcam->webcamHdl == NULL!\n", __FILE__, __LINE__, __func__);
111 }
112
113 usbWebcam_v4l2_init(UVCDev);
114
115 ret = usbWebcam_v4l2_capture_on(UVCDev);
116
117 if( usbWebcam->webcamHdl )
118 {
119 DEV_WEBCAM_Ioctrl(usbWebcam->webcamHdl, DRV_WENCAM_CMD_GET_IRQ_CB, 0, (void*)(&usbWebcam->uvc_irq));
120 DEV_WEBCAM_Ioctrl(usbWebcam->webcamHdl, DRV_WENCAM_CMD_SET_TRANSPORT_CB, 0, (void*)transport);
121 DEV_WEBCAM_Ioctrl(usbWebcam->webcamHdl, DRV_WENCAM_CMD_WEBCAM_INSERT, 0, 0);
122 }
123
124 /* Notice: 由于新的设备上来以后，系统的设备管理告知应用程序，因此只能由驱动告知应用程序 */
125 // USB_OS_esKSRV_SendMsg(KMSG_USR_SYSTEM_WEBCAM_PLUGIN, KMSG_PRIO_HIGH);
126 hal_log_info("webcam plug in message...\n");
127
128 return ret;
129 }
130
usbWebcam_init(void)131 void* usbWebcam_init(void)
132 {
133 usbWebcam_t *usbWebcam = NULL;
134 __u8 err = 0;
135 __s32 ret = 0;
136
137 /* 创建一个Webcam设备，并且初始化 */
138 usbWebcam = (usbWebcam_t *)hal_malloc(sizeof(usbWebcam_t));
139 if(usbWebcam == NULL){
140 hal_log_err("ERR: hal_malloc failed\n");
141 return NULL;
142 }
143
144 memset(usbWebcam, 0, sizeof(usbWebcam_t));
145 g_usbWebcam = usbWebcam;
146 {
147 __s32 i;
148
149 for( i = 0; i < UVC_URBS; ++i )
150 {
151 usbWebcam->urb_mem[i] = (__u32)hal_malloc(UVC_MAX_PACKETS*3);
152 if (!usbWebcam->urb_mem[i]) {
153 hal_log_info("esMEMS_Malloc fail\n");
154 }
155 }
156 }
157
158 return (void*)usbWebcam;
159
160 }
161
usbWebcam_remove(UVCDev_t * UVCDev)162 __s32 usbWebcam_remove(UVCDev_t * UVCDev)
163 {
164 usbWebcam_t *usbWebcam = NULL;
165 extern __s32 DEV_WEBCAM_Ioctrl(__hdle hWebcam, __u32 cmd, __s32 aux, void *pbuffer);
166
167 if(UVCDev == NULL){
168 hal_log_err("ERR: usbWebcamRemove: input error\n");
169 return -1;
170 }
171
172 usbWebcam = UVCDev->Extern;
173 if(usbWebcam == NULL){
174 hal_log_err("ERR: usbWebcamRemove: usbWebcam == NULL\n");
175 return -1;
176 }
177
178 if( usbWebcam->webcamHdl )
179 {
180 DEV_WEBCAM_Ioctrl(usbWebcam->webcamHdl, DRV_WENCAM_CMD_SET_TRANSPORT_CB, 0, 0);
181 DEV_WEBCAM_Ioctrl(usbWebcam->webcamHdl, DRV_WENCAM_CMD_WEBCAM_MOVED, (__s32)UVCDev->frame_buf0, (void*)UVCDev->frame_buf1);
182 }
183
184 // USB_OS_esKSRV_SendMsg(KMSG_USR_SYSTEM_WEBCAM_PLUGOUT, KMSG_PRIO_HIGH);
185 hal_log_info("webcam plug out message...\n");
186
187 usbWebcam->UVCDev = NULL;
188 UVCDev->Extern = NULL;
189
190 UVCDev->exchange_buf = NULL;
191 UVCDev->frame_buf0 = 0;
192 UVCDev->frame_buf1 = 0;
193 UVCDev->frame_buf2 = 0;
194
195 usbWebcam_v4l2_capture_off(UVCDev);//关中断发生器
196
197 usbWebcam_v4l2_exit(UVCDev);
198
199 if( usbWebcam->webcamHdl ) {
200 fclose(usbWebcam->webcamHdl);
201 }
202
203 return 0;
204 }
205
usbWebcam_exit(void * arg)206 __s32 usbWebcam_exit(void* arg)
207 {
208 usbWebcam_t *usbWebcam = (usbWebcam_t *)arg;
209 __u8 err = 0;
210
211
212 if(usbWebcam == NULL){
213 hal_log_err("ERR: usbWebcamRemove: usbWebcam == NULL\n");
214 return -1;
215 }
216
217 {
218 __s32 i;
219
220 for (i = 0; i < UVC_URBS; ++i) {
221 if (usbWebcam->urb_mem[i]) {
222 hal_free((void*)usbWebcam->urb_mem[i]);
223 usbWebcam->urb_mem[i] = 0;
224 }
225 }
226 }
227
228 hal_free(usbWebcam);
229
230 return 0;
231 }
232
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234
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236