Suga koubou / Mbed 2 deprecated GSwifi_ap_webcam

see: http://mbed.org/users/okini3939/notebook/wifi_webcam/

Dependencies:   GSwifiInterface_ap_webcam USBHost mbed

USBHostCam/USBHostCam.cpp@0:8558bdecb0fa, 2014-06-06 (annotated)

Committer:
okini3939
Date:
Fri Jun 06 00:44:06 2014 +0000
Revision:
0:8558bdecb0fa
1st build

Who changed what in which revision?

UserRevisionLine numberNew contents of line
okini3939 0:8558bdecb0fa 1 // USBHostCam.cpp
okini3939 0:8558bdecb0fa 2 #include "USBHostCam.h"
okini3939 0:8558bdecb0fa 3 #include "dbg.h"
okini3939 0:8558bdecb0fa 4
okini3939 0:8558bdecb0fa 5 //#define CAM_DEBUG 1
okini3939 0:8558bdecb0fa 6 #ifdef CAM_DEBUG
okini3939 0:8558bdecb0fa 7 #define CAM_DBG(x, ...) std::printf("[%s:%d]"x"\r\n", __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);
okini3939 0:8558bdecb0fa 8 #else
okini3939 0:8558bdecb0fa 9 #define CAM_DBG(...) while(0);
okini3939 0:8558bdecb0fa 10 #endif
okini3939 0:8558bdecb0fa 11
okini3939 0:8558bdecb0fa 12 // ------------------ HcControl Register ---------------------
okini3939 0:8558bdecb0fa 13 #define OR_CONTROL_IE 0x00000008
okini3939 0:8558bdecb0fa 14
okini3939 0:8558bdecb0fa 15 CamInfo* getCamInfoList(); // CamInfo.cpp
okini3939 0:8558bdecb0fa 16
okini3939 0:8558bdecb0fa 17 USBHostCam::USBHostCam(uint8_t size, uint8_t option, CamInfo* user_caminfo)
okini3939 0:8558bdecb0fa 18 {
okini3939 0:8558bdecb0fa 19 CAM_DBG("size: %d, option: %d", size, option);
okini3939 0:8558bdecb0fa 20 _caminfo_size = size;
okini3939 0:8558bdecb0fa 21 _caminfo_option = option;
okini3939 0:8558bdecb0fa 22 if (user_caminfo) {
okini3939 0:8558bdecb0fa 23 CamInfoList = user_caminfo;
okini3939 0:8558bdecb0fa 24 } else {
okini3939 0:8558bdecb0fa 25 CamInfoList = getCamInfoList();
okini3939 0:8558bdecb0fa 26 }
okini3939 0:8558bdecb0fa 27 clearOnResult();
okini3939 0:8558bdecb0fa 28 host = USBHost::getHostInst();
okini3939 0:8558bdecb0fa 29 m_isoEp = new IsochronousEp;
okini3939 0:8558bdecb0fa 30 init();
okini3939 0:8558bdecb0fa 31 }
okini3939 0:8558bdecb0fa 32
okini3939 0:8558bdecb0fa 33 void USBHostCam::init()
okini3939 0:8558bdecb0fa 34 {
okini3939 0:8558bdecb0fa 35 CAM_DBG("");
okini3939 0:8558bdecb0fa 36 dev_connected = false;
okini3939 0:8558bdecb0fa 37 dev = NULL;
okini3939 0:8558bdecb0fa 38 cam_intf = -1;
okini3939 0:8558bdecb0fa 39 device_found = false;
okini3939 0:8558bdecb0fa 40 caminfo_found = false;
okini3939 0:8558bdecb0fa 41 }
okini3939 0:8558bdecb0fa 42
okini3939 0:8558bdecb0fa 43 bool USBHostCam::connected()
okini3939 0:8558bdecb0fa 44 {
okini3939 0:8558bdecb0fa 45 return dev_connected;
okini3939 0:8558bdecb0fa 46 }
okini3939 0:8558bdecb0fa 47
okini3939 0:8558bdecb0fa 48 bool USBHostCam::connect()
okini3939 0:8558bdecb0fa 49 {
okini3939 0:8558bdecb0fa 50 if (dev_connected) {
okini3939 0:8558bdecb0fa 51 return true;
okini3939 0:8558bdecb0fa 52 }
okini3939 0:8558bdecb0fa 53
okini3939 0:8558bdecb0fa 54 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
okini3939 0:8558bdecb0fa 55 if ((dev = host->getDevice(i)) != NULL) {
okini3939 0:8558bdecb0fa 56
okini3939 0:8558bdecb0fa 57 CAM_DBG("Trying to connect Cam device\r\n");
okini3939 0:8558bdecb0fa 58
okini3939 0:8558bdecb0fa 59 if(host->enumerate(dev, this)) {
okini3939 0:8558bdecb0fa 60 break;
okini3939 0:8558bdecb0fa 61 }
okini3939 0:8558bdecb0fa 62 if (device_found) {
okini3939 0:8558bdecb0fa 63 USB_INFO("New Cam: %s device: VID:%04x PID:%04x [dev: %p - intf: %d]", caminfo->name, dev->getVid(), dev->getPid(), dev, cam_intf);
okini3939 0:8558bdecb0fa 64 dev->setName(caminfo->name, cam_intf);
okini3939 0:8558bdecb0fa 65 host->registerDriver(dev, cam_intf, this, &USBHostCam::onDisconnect);
okini3939 0:8558bdecb0fa 66 int addr = dev->getAddress();
okini3939 0:8558bdecb0fa 67 m_isoEp->init(addr, caminfo->en, caminfo->mps, caminfo->frameCount, caminfo->queueLimit);
okini3939 0:8558bdecb0fa 68 uint8_t buf[26];
okini3939 0:8558bdecb0fa 69 memset(buf, 0, sizeof(buf));
okini3939 0:8558bdecb0fa 70 buf[2] = caminfo->formatIndex;
okini3939 0:8558bdecb0fa 71 buf[3] = caminfo->frameIndex;
okini3939 0:8558bdecb0fa 72 *reinterpret_cast<uint32_t*>(buf+4) = caminfo->interval;
okini3939 0:8558bdecb0fa 73 USB_TYPE res = Control(SET_CUR, VS_COMMIT_CONTROL, 1, buf, sizeof(buf));
okini3939 0:8558bdecb0fa 74 if (res != USB_TYPE_OK) {
okini3939 0:8558bdecb0fa 75 CAM_DBG("SET_CUR VS_COMMIT_CONTROL FAILED");
okini3939 0:8558bdecb0fa 76 }
okini3939 0:8558bdecb0fa 77 res = setInterfaceAlternate(1, caminfo->if_alt);
okini3939 0:8558bdecb0fa 78 if (res != USB_TYPE_OK) {
okini3939 0:8558bdecb0fa 79 CAM_DBG("SET_INTERFACE FAILED");
okini3939 0:8558bdecb0fa 80 }
okini3939 0:8558bdecb0fa 81 for(int i = 0; i < 16; i++) {
okini3939 0:8558bdecb0fa 82 report_cc_count[i] = 0;
okini3939 0:8558bdecb0fa 83 report_ps_cc_count[i] = 0;
okini3939 0:8558bdecb0fa 84 }
okini3939 0:8558bdecb0fa 85 LPC_USB->HcControl |= OR_CONTROL_PLE; // PeriodicListEnable
okini3939 0:8558bdecb0fa 86 LPC_USB->HcControl |= OR_CONTROL_IE; // IsochronousEnable
okini3939 0:8558bdecb0fa 87
okini3939 0:8558bdecb0fa 88 dev_connected = true;
okini3939 0:8558bdecb0fa 89 return true;
okini3939 0:8558bdecb0fa 90 }
okini3939 0:8558bdecb0fa 91 }
okini3939 0:8558bdecb0fa 92 }
okini3939 0:8558bdecb0fa 93 init();
okini3939 0:8558bdecb0fa 94 return false;
okini3939 0:8558bdecb0fa 95 }
okini3939 0:8558bdecb0fa 96
okini3939 0:8558bdecb0fa 97 void USBHostCam::onDisconnect()
okini3939 0:8558bdecb0fa 98 {
okini3939 0:8558bdecb0fa 99 CAM_DBG("dev_connected: %d", dev_connected);
okini3939 0:8558bdecb0fa 100 if (dev_connected) {
okini3939 0:8558bdecb0fa 101 m_isoEp->disconnect();
okini3939 0:8558bdecb0fa 102 init();
okini3939 0:8558bdecb0fa 103 }
okini3939 0:8558bdecb0fa 104 }
okini3939 0:8558bdecb0fa 105
okini3939 0:8558bdecb0fa 106 /*virtual*/ void USBHostCam::setVidPid(uint16_t vid, uint16_t pid)
okini3939 0:8558bdecb0fa 107 {
okini3939 0:8558bdecb0fa 108 CAM_DBG("vid:%04x,pid:%04x", vid, pid);
okini3939 0:8558bdecb0fa 109 caminfo = CamInfoList;
okini3939 0:8558bdecb0fa 110 while(caminfo->vid != 0) {
okini3939 0:8558bdecb0fa 111 if (caminfo->vid == vid && caminfo->pid == pid &&
okini3939 0:8558bdecb0fa 112 caminfo->size == _caminfo_size && caminfo->option == _caminfo_option) {
okini3939 0:8558bdecb0fa 113 caminfo_found = true;
okini3939 0:8558bdecb0fa 114 break;
okini3939 0:8558bdecb0fa 115 }
okini3939 0:8558bdecb0fa 116 caminfo++;
okini3939 0:8558bdecb0fa 117 }
okini3939 0:8558bdecb0fa 118 }
okini3939 0:8558bdecb0fa 119
okini3939 0:8558bdecb0fa 120 /*virtual*/ bool USBHostCam::parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) //Must return true if the interface should be parsed
okini3939 0:8558bdecb0fa 121 {
okini3939 0:8558bdecb0fa 122 CAM_DBG("intf_nb=%d,intf_class=%02X,intf_subclass=%d,intf_protocol=%d", intf_nb, intf_class, intf_subclass, intf_protocol);
okini3939 0:8558bdecb0fa 123 if ((cam_intf == -1) && caminfo_found) {
okini3939 0:8558bdecb0fa 124 cam_intf = intf_nb;
okini3939 0:8558bdecb0fa 125 device_found = true;
okini3939 0:8558bdecb0fa 126 return true;
okini3939 0:8558bdecb0fa 127 }
okini3939 0:8558bdecb0fa 128 return false;
okini3939 0:8558bdecb0fa 129 }
okini3939 0:8558bdecb0fa 130
okini3939 0:8558bdecb0fa 131 /*virtual*/ bool USBHostCam::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
okini3939 0:8558bdecb0fa 132 {
okini3939 0:8558bdecb0fa 133 CAM_DBG("intf_nb:%d,type:%d,dir:%d",intf_nb, type, dir);
okini3939 0:8558bdecb0fa 134 return false;
okini3939 0:8558bdecb0fa 135 }
okini3939 0:8558bdecb0fa 136
okini3939 0:8558bdecb0fa 137 #define SEQ_READ_IDOL 0
okini3939 0:8558bdecb0fa 138 #define SEQ_READ_EXEC 1
okini3939 0:8558bdecb0fa 139 #define SEQ_READ_DONE 2
okini3939 0:8558bdecb0fa 140
okini3939 0:8558bdecb0fa 141 int USBHostCam::readJPEG(uint8_t* buf, int size, int timeout_ms) {
okini3939 0:8558bdecb0fa 142 _buf = buf;
okini3939 0:8558bdecb0fa 143 _pos = 0;
okini3939 0:8558bdecb0fa 144 _size = size;
okini3939 0:8558bdecb0fa 145 _seq = SEQ_READ_IDOL;
okini3939 0:8558bdecb0fa 146 setOnResult(this, &USBHostCam::callback_motion_jpeg);
okini3939 0:8558bdecb0fa 147 Timer timeout_t;
okini3939 0:8558bdecb0fa 148 timeout_t.reset();
okini3939 0:8558bdecb0fa 149 timeout_t.start();
okini3939 0:8558bdecb0fa 150 while(timeout_t.read_ms() < timeout_ms && _seq != SEQ_READ_DONE && connected()) {
okini3939 0:8558bdecb0fa 151 poll();
okini3939 0:8558bdecb0fa 152 Thread::wait(1);
okini3939 0:8558bdecb0fa 153 }
okini3939 0:8558bdecb0fa 154 return _pos;
okini3939 0:8558bdecb0fa 155 }
okini3939 0:8558bdecb0fa 156
okini3939 0:8558bdecb0fa 157 /* virtual */ void USBHostCam::outputJPEG(uint8_t c, int status) { // from decodeMJPEG
okini3939 0:8558bdecb0fa 158 if (_seq == SEQ_READ_IDOL) {
okini3939 0:8558bdecb0fa 159 if (status == JPEG_START) {
okini3939 0:8558bdecb0fa 160 _pos = 0;
okini3939 0:8558bdecb0fa 161 _seq = SEQ_READ_EXEC;
okini3939 0:8558bdecb0fa 162 }
okini3939 0:8558bdecb0fa 163 }
okini3939 0:8558bdecb0fa 164 if (_seq == SEQ_READ_EXEC) {
okini3939 0:8558bdecb0fa 165 if (_pos < _size) {
okini3939 0:8558bdecb0fa 166 _buf[_pos++] = c;
okini3939 0:8558bdecb0fa 167 }
okini3939 0:8558bdecb0fa 168 if (status == JPEG_END) {
okini3939 0:8558bdecb0fa 169 _seq = SEQ_READ_DONE;
okini3939 0:8558bdecb0fa 170 }
okini3939 0:8558bdecb0fa 171 }
okini3939 0:8558bdecb0fa 172 }
okini3939 0:8558bdecb0fa 173
okini3939 0:8558bdecb0fa 174 void USBHostCam::callback_motion_jpeg(uint16_t frame, uint8_t* buf, int len) {
okini3939 0:8558bdecb0fa 175 inputPacket(buf, len);
okini3939 0:8558bdecb0fa 176 }