Justin S / F401RE-USBHost2

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Dependencies:   FATFileSystem2

Dependents:   N64_Output_KB

Fork of F401RE-USBHost by Norimasa Okamoto

USBHostC270/USBHostCam.cpp@18:61554f238584, 2014-07-01 (annotated)

Committer:
va009039
Date:
Tue Jul 01 18:33:31 2014 +0900
Revision:
18:61554f238584
Parent:
13:8774c07f12a5 
add lpc4088/lpc1768

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 13:8774c07f12a5 1 // USBHostCam.cpp
va009039 13:8774c07f12a5 2 #include "USBHostCam.h"
va009039 13:8774c07f12a5 3
va009039 13:8774c07f12a5 4 #if 0
va009039 13:8774c07f12a5 5 #define CAM_DBG(x, ...) std::printf("[%s:%d]"x"\n", __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);
va009039 13:8774c07f12a5 6 #else
va009039 13:8774c07f12a5 7 #define CAM_DBG(...) while(0);
va009039 13:8774c07f12a5 8 #endif
va009039 13:8774c07f12a5 9 #define CAM_INFO(...) do{fprintf(stderr,__VA_ARGS__);}while(0);
va009039 13:8774c07f12a5 10
va009039 13:8774c07f12a5 11 CamInfo* getCamInfoList(); // CamInfo.cpp
va009039 13:8774c07f12a5 12
va009039 13:8774c07f12a5 13 USBHostCam::USBHostCam(uint8_t size, uint8_t option, CamInfo* user_caminfo)
va009039 13:8774c07f12a5 14 {
va009039 13:8774c07f12a5 15 CAM_DBG("size: %d, option: %d", size, option);
va009039 13:8774c07f12a5 16 _caminfo_size = size;
va009039 13:8774c07f12a5 17 _caminfo_option = option;
va009039 13:8774c07f12a5 18 if (user_caminfo) {
va009039 13:8774c07f12a5 19 CamInfoList = user_caminfo;
va009039 13:8774c07f12a5 20 } else {
va009039 13:8774c07f12a5 21 CamInfoList = getCamInfoList();
va009039 13:8774c07f12a5 22 }
va009039 13:8774c07f12a5 23 clearOnResult();
va009039 13:8774c07f12a5 24 host = USBHost::getHostInst();
va009039 13:8774c07f12a5 25 init();
va009039 13:8774c07f12a5 26 }
va009039 13:8774c07f12a5 27
va009039 13:8774c07f12a5 28 void USBHostCam::init()
va009039 13:8774c07f12a5 29 {
va009039 13:8774c07f12a5 30 CAM_DBG("");
va009039 13:8774c07f12a5 31 dev_connected = false;
va009039 13:8774c07f12a5 32 dev = NULL;
va009039 13:8774c07f12a5 33 ep_iso_in = NULL;
va009039 13:8774c07f12a5 34 cam_intf = -1;
va009039 13:8774c07f12a5 35 device_found = false;
va009039 13:8774c07f12a5 36 caminfo_found = false;
va009039 13:8774c07f12a5 37 }
va009039 13:8774c07f12a5 38
va009039 13:8774c07f12a5 39 bool USBHostCam::connected()
va009039 13:8774c07f12a5 40 {
va009039 13:8774c07f12a5 41 return dev_connected;
va009039 13:8774c07f12a5 42 }
va009039 13:8774c07f12a5 43
va009039 13:8774c07f12a5 44 bool USBHostCam::connect()
va009039 13:8774c07f12a5 45 {
va009039 13:8774c07f12a5 46 if (dev_connected) {
va009039 13:8774c07f12a5 47 return true;
va009039 13:8774c07f12a5 48 }
va009039 13:8774c07f12a5 49
va009039 13:8774c07f12a5 50 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
va009039 13:8774c07f12a5 51 if ((dev = host->getDevice(i)) != NULL) {
va009039 13:8774c07f12a5 52
va009039 13:8774c07f12a5 53 CAM_DBG("Trying to connect Cam device\r\n");
va009039 13:8774c07f12a5 54
va009039 13:8774c07f12a5 55 if(host->enumerate(dev, this)) {
va009039 13:8774c07f12a5 56 break;
va009039 13:8774c07f12a5 57 }
va009039 13:8774c07f12a5 58 if (device_found) {
va009039 13:8774c07f12a5 59 USB_INFO("New Cam: %s device: VID:%04x PID:%04x [dev: %p - intf: %d]", caminfo->name, dev->getVid(), dev->getPid(), dev, cam_intf);
va009039 13:8774c07f12a5 60 ep_iso_in = new USBEndpoint(dev);
va009039 13:8774c07f12a5 61 ep_iso_in->init(ISOCHRONOUS_ENDPOINT, IN, caminfo->mps, caminfo->en);
va009039 18:61554f238584 62 ep_iso_in->ohci_init(caminfo->frameCount, caminfo->queueLimit);
va009039 13:8774c07f12a5 63 uint8_t buf[26];
va009039 13:8774c07f12a5 64 memset(buf, 0, sizeof(buf));
va009039 13:8774c07f12a5 65 buf[2] = caminfo->formatIndex;
va009039 13:8774c07f12a5 66 buf[3] = caminfo->frameIndex;
va009039 13:8774c07f12a5 67 *reinterpret_cast<uint32_t*>(buf+4) = caminfo->interval;
va009039 13:8774c07f12a5 68 USB_TYPE res = Control(SET_CUR, VS_COMMIT_CONTROL, 1, buf, sizeof(buf));
va009039 13:8774c07f12a5 69 if (res != USB_TYPE_OK) {
va009039 13:8774c07f12a5 70 USB_ERR("SET_CUR VS_COMMIT_CONTROL FAILED");
va009039 13:8774c07f12a5 71 }
va009039 13:8774c07f12a5 72 res = setInterfaceAlternate(1, caminfo->if_alt);
va009039 13:8774c07f12a5 73 if (res != USB_TYPE_OK) {
va009039 13:8774c07f12a5 74 USB_ERR("SET_INTERFACE FAILED");
va009039 13:8774c07f12a5 75 }
va009039 13:8774c07f12a5 76 dev_connected = true;
va009039 13:8774c07f12a5 77 return true;
va009039 13:8774c07f12a5 78 }
va009039 13:8774c07f12a5 79 }
va009039 13:8774c07f12a5 80 }
va009039 13:8774c07f12a5 81 init();
va009039 13:8774c07f12a5 82 return false;
va009039 13:8774c07f12a5 83 }
va009039 13:8774c07f12a5 84
va009039 13:8774c07f12a5 85 /*virtual*/ void USBHostCam::setVidPid(uint16_t vid, uint16_t pid)
va009039 13:8774c07f12a5 86 {
va009039 13:8774c07f12a5 87 CAM_DBG("vid:%04x,pid:%04x", vid, pid);
va009039 13:8774c07f12a5 88 caminfo = CamInfoList;
va009039 13:8774c07f12a5 89 while(caminfo->vid != 0) {
va009039 13:8774c07f12a5 90 if (caminfo->vid == vid && caminfo->pid == pid &&
va009039 13:8774c07f12a5 91 caminfo->size == _caminfo_size && caminfo->option == _caminfo_option) {
va009039 13:8774c07f12a5 92 caminfo_found = true;
va009039 13:8774c07f12a5 93 break;
va009039 13:8774c07f12a5 94 }
va009039 13:8774c07f12a5 95 caminfo++;
va009039 13:8774c07f12a5 96 }
va009039 13:8774c07f12a5 97 }
va009039 13:8774c07f12a5 98
va009039 13:8774c07f12a5 99 /*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
va009039 13:8774c07f12a5 100 {
va009039 13:8774c07f12a5 101 CAM_DBG("intf_nb=%d,intf_class=%02X,intf_subclass=%d,intf_protocol=%d", intf_nb, intf_class, intf_subclass, intf_protocol);
va009039 13:8774c07f12a5 102 if ((cam_intf == -1) && caminfo_found) {
va009039 13:8774c07f12a5 103 cam_intf = intf_nb;
va009039 13:8774c07f12a5 104 device_found = true;
va009039 13:8774c07f12a5 105 return true;
va009039 13:8774c07f12a5 106 }
va009039 13:8774c07f12a5 107 return false;
va009039 13:8774c07f12a5 108 }
va009039 13:8774c07f12a5 109
va009039 13:8774c07f12a5 110 /*virtual*/ bool USBHostCam::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
va009039 13:8774c07f12a5 111 {
va009039 13:8774c07f12a5 112 CAM_DBG("intf_nb:%d,type:%d,dir:%d",intf_nb, type, dir);
va009039 13:8774c07f12a5 113 return false;
va009039 13:8774c07f12a5 114 }
va009039 13:8774c07f12a5 115
va009039 13:8774c07f12a5 116 #define SEQ_READ_IDLE 0
va009039 13:8774c07f12a5 117 #define SEQ_READ_EXEC 1
va009039 13:8774c07f12a5 118 #define SEQ_READ_DONE 2
va009039 13:8774c07f12a5 119
va009039 13:8774c07f12a5 120 int USBHostCam::readJPEG(uint8_t* buf, int size, int timeout_ms) {
va009039 13:8774c07f12a5 121 _buf = buf;
va009039 13:8774c07f12a5 122 _pos = 0;
va009039 13:8774c07f12a5 123 _size = size;
va009039 13:8774c07f12a5 124 _seq = SEQ_READ_IDLE;
va009039 13:8774c07f12a5 125 setOnResult(this, &USBHostCam::callback_motion_jpeg);
va009039 13:8774c07f12a5 126 Timer timeout_t;
va009039 13:8774c07f12a5 127 timeout_t.reset();
va009039 13:8774c07f12a5 128 timeout_t.start();
va009039 13:8774c07f12a5 129 while(timeout_t.read_ms() < timeout_ms && _seq != SEQ_READ_DONE) {
va009039 13:8774c07f12a5 130 poll();
va009039 13:8774c07f12a5 131 }
va009039 13:8774c07f12a5 132 return _pos;
va009039 13:8774c07f12a5 133 }
va009039 13:8774c07f12a5 134
va009039 13:8774c07f12a5 135 /* virtual */ void USBHostCam::outputJPEG(uint8_t c, int status) { // from decodeMJPEG
va009039 13:8774c07f12a5 136 if (_seq == SEQ_READ_IDLE) {
va009039 13:8774c07f12a5 137 if (status == JPEG_START) {
va009039 13:8774c07f12a5 138 _pos = 0;
va009039 13:8774c07f12a5 139 _seq = SEQ_READ_EXEC;
va009039 13:8774c07f12a5 140 }
va009039 13:8774c07f12a5 141 }
va009039 13:8774c07f12a5 142 if (_seq == SEQ_READ_EXEC) {
va009039 13:8774c07f12a5 143 if (_pos < _size) {
va009039 13:8774c07f12a5 144 _buf[_pos++] = c;
va009039 13:8774c07f12a5 145 }
va009039 13:8774c07f12a5 146 if (status == JPEG_END) {
va009039 13:8774c07f12a5 147 _seq = SEQ_READ_DONE;
va009039 13:8774c07f12a5 148 }
va009039 13:8774c07f12a5 149 }
va009039 13:8774c07f12a5 150 }
va009039 13:8774c07f12a5 151
va009039 13:8774c07f12a5 152 void USBHostCam::callback_motion_jpeg(uint16_t frame, uint8_t* buf, int len) {
va009039 13:8774c07f12a5 153 inputPacket(buf, len);
va009039 13:8774c07f12a5 154 }