Suga koubou / Mbed 2 deprecated GSwifi_ap_webcam

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

Dependencies:   GSwifiInterface_ap_webcam USBHost mbed

USBHostC270/USBHostC270.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 #include "USBHostC270.h"
okini3939 0:8558bdecb0fa 2 #include "dbg.h"
okini3939 0:8558bdecb0fa 3
okini3939 0:8558bdecb0fa 4 //#define C270_DEBUG 1
okini3939 0:8558bdecb0fa 5 #ifdef C270_DEBUG
okini3939 0:8558bdecb0fa 6 #define C270_DBG(x, ...) std::printf("[%s:%d]"x"\r\n", __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);
okini3939 0:8558bdecb0fa 7 #else
okini3939 0:8558bdecb0fa 8 #define C270_DBG(...) while(0);
okini3939 0:8558bdecb0fa 9 #endif
okini3939 0:8558bdecb0fa 10
okini3939 0:8558bdecb0fa 11 // ------------------ HcControl Register ---------------------
okini3939 0:8558bdecb0fa 12 #define OR_CONTROL_IE 0x00000008
okini3939 0:8558bdecb0fa 13
okini3939 0:8558bdecb0fa 14 USBHostC270::USBHostC270(int formatIndex, int frameIndex, uint32_t interval)
okini3939 0:8558bdecb0fa 15 {
okini3939 0:8558bdecb0fa 16 C270_DBG("formatIndex: %d, frameIndex: %d, interval: %d", formatIndex, frameIndex, interval);
okini3939 0:8558bdecb0fa 17 _formatIndex = formatIndex;
okini3939 0:8558bdecb0fa 18 _frameIndex = frameIndex;
okini3939 0:8558bdecb0fa 19 _interval = interval;
okini3939 0:8558bdecb0fa 20 clearOnResult();
okini3939 0:8558bdecb0fa 21 host = USBHost::getHostInst();
okini3939 0:8558bdecb0fa 22 m_isoEp = new IsochronousEp;
okini3939 0:8558bdecb0fa 23 init();
okini3939 0:8558bdecb0fa 24 }
okini3939 0:8558bdecb0fa 25
okini3939 0:8558bdecb0fa 26 void USBHostC270::init()
okini3939 0:8558bdecb0fa 27 {
okini3939 0:8558bdecb0fa 28 C270_DBG("");
okini3939 0:8558bdecb0fa 29 dev_connected = false;
okini3939 0:8558bdecb0fa 30 dev = NULL;
okini3939 0:8558bdecb0fa 31 c270_intf = -1;
okini3939 0:8558bdecb0fa 32 c270_device_found = false;
okini3939 0:8558bdecb0fa 33 c270_vid_pid_found = false;
okini3939 0:8558bdecb0fa 34 }
okini3939 0:8558bdecb0fa 35
okini3939 0:8558bdecb0fa 36 bool USBHostC270::connected()
okini3939 0:8558bdecb0fa 37 {
okini3939 0:8558bdecb0fa 38 return dev_connected;
okini3939 0:8558bdecb0fa 39 }
okini3939 0:8558bdecb0fa 40
okini3939 0:8558bdecb0fa 41 bool USBHostC270::connect()
okini3939 0:8558bdecb0fa 42 {
okini3939 0:8558bdecb0fa 43 if (dev_connected) {
okini3939 0:8558bdecb0fa 44 return true;
okini3939 0:8558bdecb0fa 45 }
okini3939 0:8558bdecb0fa 46
okini3939 0:8558bdecb0fa 47 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
okini3939 0:8558bdecb0fa 48 if ((dev = host->getDevice(i)) != NULL) {
okini3939 0:8558bdecb0fa 49
okini3939 0:8558bdecb0fa 50 C270_DBG("Trying to connect C270 device\r\n");
okini3939 0:8558bdecb0fa 51
okini3939 0:8558bdecb0fa 52 if(host->enumerate(dev, this)) {
okini3939 0:8558bdecb0fa 53 break;
okini3939 0:8558bdecb0fa 54 }
okini3939 0:8558bdecb0fa 55 if (c270_device_found) {
okini3939 0:8558bdecb0fa 56 USB_INFO("New C270 device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, c270_intf);
okini3939 0:8558bdecb0fa 57 dev->setName("C270", c270_intf);
okini3939 0:8558bdecb0fa 58 host->registerDriver(dev, c270_intf, this, &USBHostC270::onDisconnect);
okini3939 0:8558bdecb0fa 59 int addr = dev->getAddress();
okini3939 0:8558bdecb0fa 60 m_isoEp->init(addr, C270_EN, C270_MPS);
okini3939 0:8558bdecb0fa 61 uint8_t buf[26];
okini3939 0:8558bdecb0fa 62 memset(buf, 0, sizeof(buf));
okini3939 0:8558bdecb0fa 63 buf[2] = _formatIndex;
okini3939 0:8558bdecb0fa 64 buf[3] = _frameIndex;
okini3939 0:8558bdecb0fa 65 *reinterpret_cast<uint32_t*>(buf+4) = _interval;
okini3939 0:8558bdecb0fa 66 USB_TYPE res = Control(SET_CUR, VS_COMMIT_CONTROL, 1, buf, sizeof(buf));
okini3939 0:8558bdecb0fa 67 if (res != USB_TYPE_OK) {
okini3939 0:8558bdecb0fa 68 C270_DBG("SET_CUR VS_COMMIT_CONTROL FAILED");
okini3939 0:8558bdecb0fa 69 }
okini3939 0:8558bdecb0fa 70 res = setInterfaceAlternate(1, C270_IF_ALT); // alt=1 packet size = 192
okini3939 0:8558bdecb0fa 71 if (res != USB_TYPE_OK) {
okini3939 0:8558bdecb0fa 72 C270_DBG("SET_INTERFACE FAILED");
okini3939 0:8558bdecb0fa 73 }
okini3939 0:8558bdecb0fa 74 for(int i = 0; i < 16; i++) {
okini3939 0:8558bdecb0fa 75 report_cc_count[i] = 0;
okini3939 0:8558bdecb0fa 76 report_ps_cc_count[i] = 0;
okini3939 0:8558bdecb0fa 77 }
okini3939 0:8558bdecb0fa 78 LPC_USB->HcControl |= OR_CONTROL_PLE; // PeriodicListEnable
okini3939 0:8558bdecb0fa 79 LPC_USB->HcControl |= OR_CONTROL_IE; // IsochronousEnable
okini3939 0:8558bdecb0fa 80
okini3939 0:8558bdecb0fa 81 dev_connected = true;
okini3939 0:8558bdecb0fa 82 return true;
okini3939 0:8558bdecb0fa 83 }
okini3939 0:8558bdecb0fa 84 }
okini3939 0:8558bdecb0fa 85 }
okini3939 0:8558bdecb0fa 86 init();
okini3939 0:8558bdecb0fa 87 return false;
okini3939 0:8558bdecb0fa 88 }
okini3939 0:8558bdecb0fa 89
okini3939 0:8558bdecb0fa 90 void USBHostC270::onDisconnect()
okini3939 0:8558bdecb0fa 91 {
okini3939 0:8558bdecb0fa 92 C270_DBG("dev_connected: %d", dev_connected);
okini3939 0:8558bdecb0fa 93 if (dev_connected) {
okini3939 0:8558bdecb0fa 94 m_isoEp->disconnect();
okini3939 0:8558bdecb0fa 95 init();
okini3939 0:8558bdecb0fa 96 }
okini3939 0:8558bdecb0fa 97 }
okini3939 0:8558bdecb0fa 98
okini3939 0:8558bdecb0fa 99 /*virtual*/ void USBHostC270::setVidPid(uint16_t vid, uint16_t pid)
okini3939 0:8558bdecb0fa 100 {
okini3939 0:8558bdecb0fa 101 C270_DBG("vid:%04x,pid:%04x", vid, pid);
okini3939 0:8558bdecb0fa 102 if (vid == C270_VID && pid == C270_PID) {
okini3939 0:8558bdecb0fa 103 c270_vid_pid_found = true;
okini3939 0:8558bdecb0fa 104 } else {
okini3939 0:8558bdecb0fa 105 c270_vid_pid_found = false;
okini3939 0:8558bdecb0fa 106 }
okini3939 0:8558bdecb0fa 107 }
okini3939 0:8558bdecb0fa 108
okini3939 0:8558bdecb0fa 109 /*virtual*/ bool USBHostC270::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 110 {
okini3939 0:8558bdecb0fa 111 C270_DBG("intf_nb=%d,intf_class=%02X,intf_subclass=%d,intf_protocol=%d", intf_nb, intf_class, intf_subclass, intf_protocol);
okini3939 0:8558bdecb0fa 112 if ((c270_intf == -1) && c270_vid_pid_found) {
okini3939 0:8558bdecb0fa 113 c270_intf = intf_nb;
okini3939 0:8558bdecb0fa 114 c270_vid_pid_found = false;
okini3939 0:8558bdecb0fa 115 c270_device_found = true;
okini3939 0:8558bdecb0fa 116 return true;
okini3939 0:8558bdecb0fa 117 }
okini3939 0:8558bdecb0fa 118 return false;
okini3939 0:8558bdecb0fa 119 }
okini3939 0:8558bdecb0fa 120
okini3939 0:8558bdecb0fa 121 /*virtual*/ bool USBHostC270::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
okini3939 0:8558bdecb0fa 122 {
okini3939 0:8558bdecb0fa 123 C270_DBG("intf_nb:%d,type:%d,dir:%d",intf_nb, type, dir);
okini3939 0:8558bdecb0fa 124 return false;
okini3939 0:8558bdecb0fa 125 }
okini3939 0:8558bdecb0fa 126
okini3939 0:8558bdecb0fa 127 #define SEQ_READ_IDOL 0
okini3939 0:8558bdecb0fa 128 #define SEQ_READ_EXEC 1
okini3939 0:8558bdecb0fa 129 #define SEQ_READ_DONE 2
okini3939 0:8558bdecb0fa 130
okini3939 0:8558bdecb0fa 131 int USBHostC270::readJPEG(uint8_t* buf, int size, int timeout_ms) {
okini3939 0:8558bdecb0fa 132 _buf = buf;
okini3939 0:8558bdecb0fa 133 _pos = 0;
okini3939 0:8558bdecb0fa 134 _size = size;
okini3939 0:8558bdecb0fa 135 _seq = SEQ_READ_IDOL;
okini3939 0:8558bdecb0fa 136 setOnResult(this, &USBHostC270::callback_motion_jpeg);
okini3939 0:8558bdecb0fa 137 Timer timeout_t;
okini3939 0:8558bdecb0fa 138 timeout_t.reset();
okini3939 0:8558bdecb0fa 139 timeout_t.start();
okini3939 0:8558bdecb0fa 140 while(timeout_t.read_ms() < timeout_ms && _seq != SEQ_READ_DONE) {
okini3939 0:8558bdecb0fa 141 poll(timeout_ms);
okini3939 0:8558bdecb0fa 142 }
okini3939 0:8558bdecb0fa 143 return _pos;
okini3939 0:8558bdecb0fa 144 }
okini3939 0:8558bdecb0fa 145
okini3939 0:8558bdecb0fa 146 /* virtual */ void USBHostC270::outputJPEG(uint8_t c, int status) { // from decodeMJPEG
okini3939 0:8558bdecb0fa 147 if (_seq == SEQ_READ_IDOL) {
okini3939 0:8558bdecb0fa 148 if (status == JPEG_START) {
okini3939 0:8558bdecb0fa 149 _pos = 0;
okini3939 0:8558bdecb0fa 150 _seq = SEQ_READ_EXEC;
okini3939 0:8558bdecb0fa 151 }
okini3939 0:8558bdecb0fa 152 }
okini3939 0:8558bdecb0fa 153 if (_seq == SEQ_READ_EXEC) {
okini3939 0:8558bdecb0fa 154 if (_pos < _size) {
okini3939 0:8558bdecb0fa 155 _buf[_pos++] = c;
okini3939 0:8558bdecb0fa 156 }
okini3939 0:8558bdecb0fa 157 if (status == JPEG_END) {
okini3939 0:8558bdecb0fa 158 _seq = SEQ_READ_DONE;
okini3939 0:8558bdecb0fa 159 }
okini3939 0:8558bdecb0fa 160 }
okini3939 0:8558bdecb0fa 161 }
okini3939 0:8558bdecb0fa 162
okini3939 0:8558bdecb0fa 163 void USBHostC270::callback_motion_jpeg(uint16_t frame, uint8_t* buf, int len) {
okini3939 0:8558bdecb0fa 164 inputPacket(buf, len);
okini3939 0:8558bdecb0fa 165 }