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/*
********************************************************************************
* USB UVC Driver
*
* (c) Copyright 2010-2015, All winners Co,Ld.
* All Right Reserved
*
* FileName : usbWebcam.h
*
* Author : Kingvan.Tong
*
* Date : 2013.03.26
*
* Description : USB Webcam
*
* Others : NULL
*
* History:
* <time> <version > <author> <desc>
* 2013.03.26 1.0 Kingvan.Tong build this file
*
********************************************************************************
*/
#include <stdio.h>
#include <string.h>
#include "usb_os_platform.h"
#include "error.h"
#include "video.h"
#include "uvcvideo.h"
#include "usbWebcam.h"
#include "hal_mem.h"
#include "hal_log.h"
#include "drv_webcam.h"
static usbWebcam_t *g_usbWebcam = NULL;
typedef __s32 (*active_buf) (struct uvc_streaming *stream) ;
static active_buf p_func;
static __s32 transport(__u32 addr0, __u32 addr1, __u32 addr2)
{
UVCDev_t *UVCDev = NULL;
UVCDev = g_usbWebcam->UVCDev;
hal_log_info("usb:(%x,%x,%x),(%x,%x,%x), %x,%x\n", addr0, addr1, addr2,
UVCDev->frame_buf0, UVCDev->frame_buf1, UVCDev->frame_buf2, (unsigned int)UVCDev->active_buf, (unsigned int)g_usbWebcam->uvc_irq);
if((void *)addr0 != NULL)
{
UVCDev->frame_len = 640*480;
UVCDev->exchange_buf = g_usbWebcam->uvc_irq;
UVCDev->frame_buf0 = addr0;
UVCDev->frame_buf1 = 0;
UVCDev->frame_buf2 = 0;
if(UVCDev->active_buf==NULL)
{
//printf("UVCDev->active_buf==NULL p_func=%x\n",p_func);
UVCDev->active_buf = p_func;
}
UVCDev->active_buf(UVCDev->streams);
}
else
{
if(UVCDev->active_buf) {
p_func = UVCDev->active_buf;
}
UVCDev->frame_len = 0;
UVCDev->active_buf = NULL;
UVCDev->exchange_buf = NULL;
UVCDev->frame_buf0 = 0;
UVCDev->frame_buf1 = 0;
UVCDev->frame_buf2 = 0;
//printf("transport UVCDev->active_buf==NULL\n");
}
return 0;
}
__s32 usbWebcam_probe(UVCDev_t *UVCDev)
{
usbWebcam_t *usbWebcam = NULL;
__u8 err = 0;
__s32 ret = 0;
extern __s32 DRV_WEBCAM_MInit(void);
extern __s32 DEV_WEBCAM_Ioctrl(__hdle hWebcam, __u32 cmd, __s32 aux, void *pbuffer);
if(UVCDev == NULL || g_usbWebcam == NULL){
hal_log_err("ERR: usbWebcamProbe: input error, 0x%x,0x%x\n", (unsigned int)UVCDev, (unsigned int)g_usbWebcam);
return -1;
}
usbWebcam = g_usbWebcam;
usbWebcam->UVCDev = UVCDev;
UVCDev->Extern = usbWebcam;
DRV_WEBCAM_MInit();
// usbWebcam->webcamHdl = fopen("b:\\UVC\\WEBCAM","r+");
if( usbWebcam->webcamHdl == NULL )
{
__s32 i;
hal_log_info("don't fined drv_webcam\n");
for( i = 0; i < UVC_URBS; ++i )
{
UVCDev->urb_mem[i] = usbWebcam->urb_mem[i];
}
} else {
printf("%s %d %s usbWebcam->webcamHdl == NULL!\n", __FILE__, __LINE__, __func__);
}
usbWebcam_v4l2_init(UVCDev);
ret = usbWebcam_v4l2_capture_on(UVCDev);
if( usbWebcam->webcamHdl )
{
DEV_WEBCAM_Ioctrl(usbWebcam->webcamHdl, DRV_WENCAM_CMD_GET_IRQ_CB, 0, (void*)(&usbWebcam->uvc_irq));
DEV_WEBCAM_Ioctrl(usbWebcam->webcamHdl, DRV_WENCAM_CMD_SET_TRANSPORT_CB, 0, (void*)transport);
DEV_WEBCAM_Ioctrl(usbWebcam->webcamHdl, DRV_WENCAM_CMD_WEBCAM_INSERT, 0, 0);
}
/* 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 */
// USB_OS_esKSRV_SendMsg(KMSG_USR_SYSTEM_WEBCAM_PLUGIN, KMSG_PRIO_HIGH);
hal_log_info("webcam plug in message...\n");
return ret;
}
void* usbWebcam_init(void)
{
usbWebcam_t *usbWebcam = NULL;
__u8 err = 0;
__s32 ret = 0;
/* 创建一个Webcam设备，并且初始化 */
usbWebcam = (usbWebcam_t *)hal_malloc(sizeof(usbWebcam_t));
if(usbWebcam == NULL){
hal_log_err("ERR: hal_malloc failed\n");
return NULL;
}
memset(usbWebcam, 0, sizeof(usbWebcam_t));
g_usbWebcam = usbWebcam;
{
__s32 i;
for( i = 0; i < UVC_URBS; ++i )
{
usbWebcam->urb_mem[i] = (__u32)hal_malloc(UVC_MAX_PACKETS*3);
if (!usbWebcam->urb_mem[i]) {
hal_log_info("esMEMS_Malloc fail\n");
}
}
}
return (void*)usbWebcam;
}
__s32 usbWebcam_remove(UVCDev_t * UVCDev)
{
usbWebcam_t *usbWebcam = NULL;
extern __s32 DEV_WEBCAM_Ioctrl(__hdle hWebcam, __u32 cmd, __s32 aux, void *pbuffer);
if(UVCDev == NULL){
hal_log_err("ERR: usbWebcamRemove: input error\n");
return -1;
}
usbWebcam = UVCDev->Extern;
if(usbWebcam == NULL){
hal_log_err("ERR: usbWebcamRemove: usbWebcam == NULL\n");
return -1;
}
if( usbWebcam->webcamHdl )
{
DEV_WEBCAM_Ioctrl(usbWebcam->webcamHdl, DRV_WENCAM_CMD_SET_TRANSPORT_CB, 0, 0);
DEV_WEBCAM_Ioctrl(usbWebcam->webcamHdl, DRV_WENCAM_CMD_WEBCAM_MOVED, (__s32)UVCDev->frame_buf0, (void*)UVCDev->frame_buf1);
}
// USB_OS_esKSRV_SendMsg(KMSG_USR_SYSTEM_WEBCAM_PLUGOUT, KMSG_PRIO_HIGH);
hal_log_info("webcam plug out message...\n");
usbWebcam->UVCDev = NULL;
UVCDev->Extern = NULL;
UVCDev->exchange_buf = NULL;
UVCDev->frame_buf0 = 0;
UVCDev->frame_buf1 = 0;
UVCDev->frame_buf2 = 0;
usbWebcam_v4l2_capture_off(UVCDev);//关中断发生器
usbWebcam_v4l2_exit(UVCDev);
if( usbWebcam->webcamHdl ) {
fclose(usbWebcam->webcamHdl);
}
return 0;
}
__s32 usbWebcam_exit(void* arg)
{
usbWebcam_t *usbWebcam = (usbWebcam_t *)arg;
__u8 err = 0;
if(usbWebcam == NULL){
hal_log_err("ERR: usbWebcamRemove: usbWebcam == NULL\n");
return -1;
}
{
__s32 i;
for (i = 0; i < UVC_URBS; ++i) {
if (usbWebcam->urb_mem[i]) {
hal_free((void*)usbWebcam->urb_mem[i]);
usbWebcam->urb_mem[i] = 0;
}
}
}
hal_free(usbWebcam);
return 0;
}
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