Initial commit

2016-12-21 18:19:26 +01:00
commit 4ec59a4b81
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+/*
+ * PHDC routines of Cypress USB Serial 
+ * Copyright (C) 2013 Cypress Semiconductor
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include "CyUSBCommon.h"
+/*
+    PHDC clear feature
+*/
+CY_RETURN_STATUS CyPhdcClrFeature (CY_HANDLE handle)
+{
+
+    UINT16 wValue, wIndex, wLength;
+    UINT8 bmRequestType, bmRequest;
+    int rStatus;
+    UINT32 ioTimeout = CY_USB_SERIAL_TIMEOUT;
+    CY_DEVICE *device;
+    libusb_device_handle *devHandle;
+
+    if (handle == NULL)
+        return CY_ERROR_INVALID_HANDLE;
+    device = (CY_DEVICE *)handle;
+    devHandle = device->devHandle;
+
+    bmRequestType = CY_CLASS_INTERFACE_REQUEST_HOST_TO_DEVICE;
+    bmRequest = CY_PHDC_CLR_FEATURE;
+    wValue = CY_PHDC_CLR_FEATURE_WVALUE;
+    wIndex = device->interfaceNum;
+    wLength = 0;
+
+    rStatus = libusb_control_transfer (devHandle, bmRequestType, bmRequest,
+            wValue, wIndex, NULL, wLength, ioTimeout);
+    if (rStatus == 0)
+        return CY_SUCCESS;
+    else if (rStatus == LIBUSB_ERROR_TIMEOUT){
+        CY_DEBUG_PRINT_ERROR ("CY:Time out error ..function is %s \n", __func__);
+        return CY_ERROR_IO_TIMEOUT;
+    }
+    else {
+        CY_DEBUG_PRINT_ERROR ("CY: Error in function %s ...libusb error is %d!\n", __func__, rStatus);
+        return CY_ERROR_REQUEST_FAILED;
+    }
+    return CY_SUCCESS;
+}
+/*
+    PHDC set feature
+*/
+CY_RETURN_STATUS CyPhdcSetFeature (CY_HANDLE handle)
+{
+
+    UINT16 wValue, wIndex, wLength;
+    UINT8 bmRequestType, bmRequest;
+    int rStatus, ioTimeout = CY_USB_SERIAL_TIMEOUT ;
+    CY_DEVICE *device;
+    libusb_device_handle *devHandle;
+
+    if (handle == NULL)
+        return CY_ERROR_INVALID_HANDLE;
+    device = (CY_DEVICE *)handle;
+    devHandle = device->devHandle;
+
+    bmRequestType = CY_CLASS_INTERFACE_REQUEST_HOST_TO_DEVICE;
+    bmRequest = CY_PHDC_SET_FEATURE;
+    wValue = CY_PHDC_SET_FEATURE_WVALUE;
+    wIndex = device->interfaceNum;
+    wLength = 0;
+
+    rStatus = libusb_control_transfer (devHandle, bmRequestType, bmRequest,
+            wValue, wIndex, NULL, wLength, ioTimeout);
+    if (rStatus == 0)
+        return CY_SUCCESS;
+    else if (rStatus == LIBUSB_ERROR_TIMEOUT){
+        CY_DEBUG_PRINT_ERROR ("CY:Time out error ..function is %s \n", __func__);
+        return CY_ERROR_IO_TIMEOUT;
+    }
+    else {
+        CY_DEBUG_PRINT_ERROR ("CY: Error in function %s ...libusb error is %d!\n", __func__, rStatus);
+        return CY_ERROR_REQUEST_FAILED;
+    }
+}
+/*
+    PHDC clear feature
+*/
+CY_RETURN_STATUS CyPhdcGetStatus (CY_HANDLE handle, UINT16 *dataStatus)
+{
+
+    UINT16 wValue, wIndex, wLength;
+    UINT8 bmRequestType, bmRequest;
+    int rStatus;
+    UINT32 ioTimeout = CY_USB_SERIAL_TIMEOUT ;
+    CY_DEVICE *device;
+    libusb_device_handle *devHandle;
+
+    if (handle == NULL)
+        return CY_ERROR_INVALID_HANDLE;
+    device = (CY_DEVICE *)handle;
+    devHandle = device->devHandle;
+
+    bmRequestType = CY_CLASS_INTERFACE_REQUEST_DEVICE_TO_HOST;
+    bmRequest = CY_PHDC_GET_DATA_STATUS;
+    wValue = 0x00;
+    wIndex = device->interfaceNum;
+    wLength = CY_PHDC_GET_STATUS_LEN;
+
+    rStatus = libusb_control_transfer (devHandle, bmRequestType, bmRequest,
+            wValue, wIndex, (unsigned char*)dataStatus, wLength, ioTimeout);
+    if (rStatus > 0)
+        return CY_SUCCESS;
+    else if (rStatus == LIBUSB_ERROR_TIMEOUT){
+        CY_DEBUG_PRINT_ERROR ("CY:Time out error ..function is %s \n", __func__);
+        return CY_ERROR_IO_TIMEOUT;
+    }
+    else {
+        CY_DEBUG_PRINT_ERROR ("CY: Error in function %s ...libusb error is %d!\n", __func__, rStatus);
+        return CY_ERROR_REQUEST_FAILED;
+    }
+}