Add CCID support

inc/usb_ccid.h

@@ -0,0 +1,79 @@
+#include <stdint.h>
+
+#ifndef _USB_CCID_H_
+#define _USB_CCID_H_
+#ifdef __cplusplus
+    extern "C" {
+#endif
+
+#define USB_CLASS_CCID                   0x0b    /**<\brief Communicational Device class */
+#define USB_DTYPE_FUNCTIONAL_DESC   0x21   /**<\brief Functonal descriptor.*/
+
+#define ENDPOINT_DIR_IN                    0x80
+#define ENDPOINT_DIR_OUT                   0x00
+
+#define INTERFACE_ID_CCID                 0
+
+#define CCID_IN_EPADDR       (ENDPOINT_DIR_IN  | 2)
+
+/** Endpoint address of the CCID data OUT endpoint, for host-to-device data transfers. */
+#define CCID_OUT_EPADDR      (ENDPOINT_DIR_OUT | 1)
+
+/** Endpoint size in bytes of the CCID data being sent between IN and OUT endpoints. */
+#define CCID_EPSIZE          64
+
+
+#define CCID_CURRENT_SPEC_RELEASE_NUMBER            0x0110
+#define CCID_VOLTAGESUPPORT_5V                      0
+#define CCID_VOLTAGESUPPORT_3V                      (1 << 0)
+#define CCID_VOLTAGESUPPORT_1V8                     (1 << 1)
+
+#define CCID_PROTOCOL_T0                            0
+#define CCID_PROTOCOL_T1                            (1 << 0)
+
+#define CCID_ICCSTATUS_PRESENTANDACTIVE             0
+#define CCID_ICCSTATUS_PRESENTANDINACTIVE           (1 << 0)
+#define CCID_ICCSTATUS_NOICCPRESENT                 (1 << 1)
+
+#define CCID_COMMANDSTATUS_PROCESSEDWITHOUTERROR    0
+#define CCID_COMMANDSTATUS_FAILED                   (1 << 6)
+#define CCID_COMMANDSTATUS_TIMEEXTENSIONREQUESTED   (1 << 7)
+
+#define CCID_ERROR_NOERROR          0
+#define CCID_ERROR_SLOTNOTFOUND     5
+
+#define CCID_ABORT                                  0x1
+#define CCID_GET_CLOCK_FREQUENCIES                  0x2
+#define CCID_GET_DATA_RATES                         0x3
+
+struct usb_ccid_descriptor {
+    uint8_t bLength;                /**<\brief Size of the descriptor, in bytes.*/
+    uint8_t bDescriptorType;        /**<\brief IAD descriptor */
+
+    uint16_t                CCID;
+    uint8_t                 MaxSlotIndex;
+    uint8_t                 VoltageSupport;
+    uint32_t                Protocols;
+    uint32_t                DefaultClock;
+    uint32_t                MaximumClock;
+    uint8_t                 NumClockSupported;
+    uint32_t                DataRate;
+    uint32_t                MaxDataRate;
+    uint8_t                 NumDataRatesSupported;
+    uint32_t                MaxIFSD;
+    uint32_t                SynchProtocols;
+    uint32_t                Mechanical;
+    uint32_t                Features;
+    uint32_t                MaxCCIDMessageLength;
+    uint8_t                 ClassGetResponse;
+    uint8_t                 ClassEnvelope;
+    uint16_t                LcdLayout;
+    uint8_t                 PINSupport;
+    uint8_t                 MaxCCIDBusySlots;
+} __attribute__((packed));
+
+#ifdef __cplusplus
+    }
+#endif
+
+#endif

inc/usb_std.h

@@ -126,6 +126,7 @@ extern "C" {
 #define USB_DTYPE_OTG               0x09    /**<\brief OTG descriptor.*/
 #define USB_DTYPE_DEBUG             0x0A    /**<\brief Debug descriptor.*/
 #define USB_DTYPE_INTERFASEASSOC    0x0B    /**<\brief Interface association descriptor.*/
+#define USB_DTYPE_FUNCTIONAL_DESC   0x21   /**<\brief Functonal descriptor.*/
 #define USB_DTYPE_CS_INTERFACE      0x24    /**<\brief Class specific interface descriptor.*/
 #define USB_DTYPE_CS_ENDPOINT       0x25    /**<\brief Class specific endpoint descriptor.*/
 /** @} */