Usb read

Dependencies:   FATFileSystem

Fork of F401RE-USBHost by Norimasa Okamoto

Revision:
8:6463cd1964c0
Parent:
3:a3872f7593e2
Child:
9:7f9f64cf5ded
--- a/USBHostMSD/USBHostMSD.cpp	Tue Jan 28 06:50:12 2014 +0000
+++ b/USBHostMSD/USBHostMSD.cpp	Fri Jan 31 13:45:07 2014 +0000
@@ -29,7 +29,6 @@
 {
     host = USBHost::getHostInst();
     init();
-    report = &host->report;
 }
 
 void USBHostMSD::init() {
@@ -40,22 +39,84 @@
     dev_connected = false;
     blockSize = 0;
     blockCount = 0;
-    msd_intf = 1; //msd_intf = -1;
+    msd_intf = -1;
     msd_device_found = false;
     disk_init = false;
     dev_connected = false;
     nb_ep = 0;
 }
 
-
 bool USBHostMSD::connected()
 {
-    return true;
+    return dev_connected;
 }
 
 bool USBHostMSD::connect()
 {
-    return true;
+    if (dev_connected) {
+        return true;
+    }
+
+    for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
+        if ((dev = host->getDevice(i)) != NULL) {
+            
+            //USB_DBG("Trying to connect MSD device dev=%p\n", dev);
+            
+            if(host->enumerate(dev, this))
+                break;
+
+            if (msd_device_found) {
+                bulk_in = dev->getEndpoint(msd_intf, BULK_ENDPOINT, IN);
+                bulk_out = dev->getEndpoint(msd_intf, BULK_ENDPOINT, OUT);
+                
+                if (!bulk_in || !bulk_out)
+                    continue;
+                
+                USB_INFO("New MSD device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, msd_intf);
+                dev->setName("MSD", msd_intf);
+                host->registerDriver(dev, msd_intf, this, &USBHostMSD::init);
+
+                dev_connected = true;
+                return true;
+            }
+        } //if()
+    } //for()
+    init();
+    return false;
+}
+
+/*virtual*/ void USBHostMSD::setVidPid(uint16_t vid, uint16_t pid)
+{
+    USB_DBG2("vid:%04x pid:%04x", vid, pid);
+    // we don't check VID/PID for MSD driver
+}
+
+/*virtual*/ bool USBHostMSD::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
+{
+    USB_DBG2("intf: %d class: %02x %02x %02x", intf_nb, intf_class, intf_subclass, intf_protocol);
+
+    if ((msd_intf == -1) &&
+        (intf_class == MSD_CLASS) &&
+        (intf_subclass == 0x06) &&
+        (intf_protocol == 0x50)) {
+        msd_intf = intf_nb;
+        return true;
+    }
+    return false;
+}
+
+/*virtual*/ bool USBHostMSD::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
+{
+    USB_DBG2("intf_nb=%d type=%d dir=%d", intf_nb, type, dir);
+    if (intf_nb == msd_intf) {
+        if (type == BULK_ENDPOINT) {
+            nb_ep++;
+            if (nb_ep == 2)
+                msd_device_found = true;
+            return true;
+        }
+    }
+    return false;
 }
 
 int USBHostMSD::testUnitReady() {