Usb read

Dependencies:   FATFileSystem

Fork of F401RE-USBHost by Norimasa Okamoto

Revision:
10:40c7f6788902
Parent:
9:7f9f64cf5ded
diff -r 7f9f64cf5ded -r 40c7f6788902 USBHost/USBEndpoint.h
--- a/USBHost/USBEndpoint.h	Mon Feb 03 13:00:16 2014 +0000
+++ b/USBHost/USBEndpoint.h	Wed Feb 05 13:34:37 2014 +0000
@@ -29,8 +29,25 @@
     /**
     * Constructor
     */
-    USBEndpoint() : data01_toggle(DATA0),address(0),MaxPacketSize(8) {
-        dev = NULL;
+    USBEndpoint(USBDeviceConnected* _dev) {
+        init(CONTROL_ENDPOINT, IN, 8, 0);
+        dev = _dev;
+    }
+
+    /**
+    * Initialize an endpoint
+    *
+    * @param type endpoint type
+    * @param dir endpoint direction
+    * @param size endpoint size
+    * @param ep_number endpoint number
+    */
+    void init(ENDPOINT_TYPE _type, ENDPOINT_DIRECTION _dir, uint32_t size, uint8_t ep_number) {
+        type = _type;
+        dir = _dir;
+        MaxPacketSize = size;
+        address = ep_number;
+        data01_toggle = DATA0;
     }
 
     /**
@@ -69,9 +86,8 @@
     void setBuffer(uint8_t* buf, int size) { buf_start = buf, buf_size = size; }
     void setLengthTransferred(int len) { transferred = len; };
     void setSize(int size) { MaxPacketSize = size; }
-    void setType(ENDPOINT_TYPE _type) { type = _type; };
-    void setAddress(uint8_t addr) { address = addr; }
     void setData01(uint8_t data01) { data01_toggle = data01; }
+    void setNextEndpoint(USBEndpoint* ep) { nextEp = ep; };
 
     USBDeviceConnected* getDevice() { return dev; }
     ENDPOINT_TYPE getType() { return type; };
@@ -80,11 +96,12 @@
     int getBufSize() { return buf_size; }
     uint8_t getAddress(){ return address; };
     int getSize() { return MaxPacketSize; }
-    ENDPOINT_DIRECTION getDir() { return (address & 0x80) ? IN : OUT; }
+    ENDPOINT_DIRECTION getDir() { return dir; }
     uint8_t getData01() { return data01_toggle; }
     void toggleData01() {
         data01_toggle = (data01_toggle == DATA0) ? DATA1 : DATA0;
     }
+    USBEndpoint* nextEndpoint() { return nextEp; };
 
 private:
     ENDPOINT_TYPE type;
@@ -92,12 +109,36 @@
     USBDeviceConnected* dev;
     uint8_t data01_toggle; // DATA0,DATA1
     uint8_t address;
-
     int transferred;
     uint8_t * buf_start;
     int buf_size;
-
     FunctionPointer rx;
+    int MaxPacketSize;
+    USBEndpoint* nextEp;
+};
 
-    int MaxPacketSize;
+class EndpointQueue {
+public:
+    EndpointQueue():head(NULL),tail(NULL) {}
+    void push(USBEndpoint* ep) {
+        if (head) {
+            tail->setNextEndpoint(ep);
+        } else {
+            head = ep;
+        }
+        tail = ep;
+        ep->setNextEndpoint(NULL);
+    }
+    USBEndpoint* pop() {
+        USBEndpoint* ep = head;
+        if (ep) {
+            head = ep->nextEndpoint();
+        }
+        return ep;
+    }
+    bool empty() { return head == NULL; }
+
+private:
+    USBEndpoint* head;
+    USBEndpoint* tail;
 };