Renamed main folder to firmware

firmware/atmel_softpack_libraries/usb/device/composite/DUALCDCDDriver.c

@@ -0,0 +1,194 @@
+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support 
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2008, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+/** \file */
+/** \addtogroup usbd_composite_cdccdc
+ *@{
+ */
+/*---------------------------------------------------------------------------
+ *      Headers
+ *---------------------------------------------------------------------------*/
+
+/*  GENERAL */
+#include <USBLib_Trace.h>
+
+/*  USB */
+#include <USBD.h>
+#include <USBD_HAL.h>
+#include <USBDDriver.h>
+
+/* - DUALCDC */
+#include <DUALCDCDDriver.h>
+
+/*---------------------------------------------------------------------------
+ *         Defines
+ *---------------------------------------------------------------------------*/
+
+/** Number of CDC serial ports */
+#define NUM_PORTS       2
+
+/** Interface setting spaces (4 byte aligned) */
+#define NUM_INTERFACES  ((DUALCDCDDriverDescriptors_NUMINTERFACE+3)&0xFC)
+
+/*---------------------------------------------------------------------------
+ *         Types
+ *---------------------------------------------------------------------------*/
+
+/** Dual-CDC-Serial device driver struct */
+typedef struct _DualCdcdSerialDriver {
+    /** CDC Serial Port List */
+    CDCDSerialPort cdcdSerialPort[NUM_PORTS];
+} DualCdcdSerialDriver;
+
+/*---------------------------------------------------------------------------
+ *         Internal variables
+ *---------------------------------------------------------------------------*/
+
+/** Dual CDC Serial device driver instance */
+DualCdcdSerialDriver dualcdcdDriver;
+
+/*---------------------------------------------------------------------------
+ *         Internal functions
+ *---------------------------------------------------------------------------*/
+
+/*---------------------------------------------------------------------------
+ *         Exported functions
+ *---------------------------------------------------------------------------*/
+
+/**
+ * Initializes the USB device composite device driver.
+ * \param  pDescriptors Pointer to Descriptors list for CDC Serial Device.
+ */
+void DUALCDCDDriver_Initialize(const USBDDriverDescriptors *pDescriptors)
+{
+    USBDDriver *pUsbd = USBD_GetDriver();
+    CDCDSerialPort *pCdcd = &dualcdcdDriver.cdcdSerialPort[0];
+
+    TRACE_INFO("DUALCDCDDriver_Initialize\n\r");
+
+    pCdcd = &dualcdcdDriver.cdcdSerialPort[0];
+    CDCDSerialPort_Initialize(pCdcd, pUsbd,
+                              0,
+                              0,
+                              DUALCDCDDriverDescriptors_INTERFACENUM0, 2);
+
+    pCdcd = &dualcdcdDriver.cdcdSerialPort[1];
+    CDCDSerialPort_Initialize(pCdcd, pUsbd,
+                              0,
+                              0,
+                              DUALCDCDDriverDescriptors_INTERFACENUM1, 2);
+
+    /*  Initialize the standard USB driver */
+    USBDDriver_Initialize(pUsbd,
+                          pDescriptors,
+                          0);
+    /*  Initialize the USB driver */
+    USBD_Init();
+}
+
+/**
+ * Invoked whenever the active configuration of device is changed by the
+ * host.
+ * \param cfgnum Configuration number.
+ */
+void DUALCDCDDriver_ConfigurationChangeHandler(uint8_t cfgnum)
+{
+    CDCDSerialPort *pCdcd = &dualcdcdDriver.cdcdSerialPort[0];
+    USBDDriver *pUsbd = pCdcd->pUsbd;
+    USBConfigurationDescriptor *pDesc;
+    USBGenericDescriptor *pD;
+    uint32_t i, len;
+
+    if (cfgnum > 0) {
+
+        /* Parse endpoints for data & notification */
+        pDesc = USBDDriver_GetCfgDescriptors(pUsbd, cfgnum);
+
+        pD = (USBGenericDescriptor *)pDesc;
+        len = pDesc->wTotalLength;
+
+        for (i = 0; i < NUM_PORTS; i ++) {
+            pCdcd = &dualcdcdDriver.cdcdSerialPort[i];
+            pD = CDCDSerialPort_ParseInterfaces(pCdcd, pD, len);
+            len = pDesc->wTotalLength - ((uint32_t)pD - (uint32_t)pDesc);
+        }
+    }
+}
+
+
+/**
+ * Handles composite-specific USB requests sent by the host, and forwards
+ * standard ones to the USB device driver.
+ * \param request Pointer to a USBGenericRequest instance.
+ */
+void DUALCDCDDriver_RequestHandler(const USBGenericRequest *request)
+{
+    CDCDSerialPort *pCdcd = 0;
+    USBDDriver *pUsbd = 0;
+    uint32_t rc, i;
+
+    TRACE_INFO_WP("NewReq ");
+
+    for (i = 0; i < NUM_PORTS; i ++) {
+        pCdcd = &dualcdcdDriver.cdcdSerialPort[i];
+        rc = CDCDSerialPort_RequestHandler(pCdcd, request);
+        if (rc == USBRC_SUCCESS)
+            break;
+    }
+
+    /* Not handled by CDC Serial */
+    if (rc != USBRC_SUCCESS) {
+        if (USBGenericRequest_GetType(request) == USBGenericRequest_STANDARD) {
+            pUsbd = pCdcd->pUsbd;
+            USBDDriver_RequestHandler(pUsbd, request);
+        }
+        else {
+            TRACE_WARNING(
+              "DUALCDCDDriver_RequestHandler: Unsupported request (%d,%d)\n\r",
+              USBGenericRequest_GetType(request),
+              USBGenericRequest_GetRequest(request));
+            USBD_Stall(0);
+        }
+    }
+
+}
+
+/**
+ * Return CDCDSerialPort for serial port operations.
+ * \param port Port number.
+ */
+CDCDSerialPort *DUALCDCDDriver_GetSerialPort(uint32_t port)
+{
+    if (port < NUM_PORTS)
+        return &dualcdcdDriver.cdcdSerialPort[port];
+
+    return 0;
+}
+
+/**@}*/
+