USB device stack - Added support for the logo/windows key to USB keyboard.

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Fork of USBDevice by mbed official

Revision:
46:378357d7e90d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBDevice/TARGET_RENESAS/TARGET_RZ_A1H/usb1/src/function/usb1_function_sub.c	Tue Mar 31 16:15:39 2015 +0100
@@ -0,0 +1,453 @@
+/*******************************************************************************
+* DISCLAIMER
+* This software is supplied by Renesas Electronics Corporation and is only
+* intended for use with Renesas products. No other uses are authorized. This
+* software is owned by Renesas Electronics Corporation and is protected under
+* all applicable laws, including copyright laws.
+* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
+* THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
+* LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
+* AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
+* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
+* ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
+* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
+* ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
+* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+* Renesas reserves the right, without notice, to make changes to this software
+* and to discontinue the availability of this software. By using this software,
+* you agree to the additional terms and conditions found by accessing the
+* following link:
+* http://www.renesas.com/disclaimer
+* Copyright (C) 2012 - 2014 Renesas Electronics Corporation. All rights reserved.
+*******************************************************************************/
+/*******************************************************************************
+* File Name    : usb1_function_sub.c
+* $Rev: 1116 $
+* $Date:: 2014-07-09 16:29:19 +0900#$
+* Device(s)    : RZ/A1H
+* Tool-Chain   :
+* OS           : None
+* H/W Platform :
+* Description  : RZ/A1H R7S72100 USB Sample Program
+* Operation    :
+* Limitations  :
+*******************************************************************************/
+
+
+/*******************************************************************************
+Includes   <System Includes> , "Project Includes"
+*******************************************************************************/
+#include "usb1_function.h"
+
+
+/*******************************************************************************
+Typedef definitions
+*******************************************************************************/
+
+
+/*******************************************************************************
+Macro definitions
+*******************************************************************************/
+
+
+/*******************************************************************************
+Imported global variables and functions (from other files)
+*******************************************************************************/
+#if 0
+extern const uint16_t *g_usb1_function_EndPntPtr[];
+extern uint8_t         g_usb1_function_DeviceDescriptor[];
+extern uint8_t        *g_usb1_function_ConfigurationPtr[];
+#endif
+
+
+/*******************************************************************************
+Exported global variables and functions (to be accessed by other files)
+*******************************************************************************/
+
+
+/*******************************************************************************
+Private global variables and functions
+*******************************************************************************/
+
+
+/*******************************************************************************
+* Function Name: usb1_function_ResetDCP
+* Description  : Initializes the default control pipe(DCP).
+* Outline      : Reset default control pipe
+* Arguments    : none
+* Return Value : none
+*******************************************************************************/
+void usb1_function_ResetDCP (void)
+{
+    USB201.DCPCFG  = 0;
+#if 0
+    USB201.DCPMAXP = g_usb1_function_DeviceDescriptor[7];
+#else
+    USB201.DCPMAXP = 64;
+#endif
+
+    USB201.CFIFOSEL  = (uint16_t)(USB_FUNCTION_BITMBW_8 | USB_FUNCTION_BITBYTE_LITTLE);
+    USB201.D0FIFOSEL = (uint16_t)(USB_FUNCTION_BITMBW_8 | USB_FUNCTION_BITBYTE_LITTLE);
+    USB201.D1FIFOSEL = (uint16_t)(USB_FUNCTION_BITMBW_8 | USB_FUNCTION_BITBYTE_LITTLE);
+}
+
+/*******************************************************************************
+* Function Name: usb1_function_ResetEP
+* Description  : Initializes the end point.
+* Arguments    : uint16_t num          ; Configuration Number
+* Return Value : none
+*******************************************************************************/
+#if 0
+void usb1_function_ResetEP (uint16_t num)
+{
+    uint16_t   pipe;
+    uint16_t   ep;
+    uint16_t   index;
+    uint16_t   buf;
+    uint16_t * tbl;
+
+    tbl = (uint16_t *)(g_usb1_function_EndPntPtr[num - 1]);
+
+    for (ep = 1; ep <= USB_FUNCTION_MAX_EP_NO; ++ep)
+    {
+        if (g_usb1_function_EPTableIndex[ep] != USB_FUNCTION_EP_ERROR)
+        {
+            index = (uint16_t)(USB_FUNCTION_EPTABLE_LENGTH * g_usb1_function_EPTableIndex[ep]);
+            pipe  = (uint16_t)(tbl[index + 0] & USB_FUNCTION_BITCURPIPE);
+
+            g_usb1_function_PipeTbl[pipe] = (uint16_t)(((tbl[index + 1] & USB_FUNCTION_DIRFIELD) << 3) |
+                                                         ep                                            |
+                                                        (tbl[index + 0] & USB_FUNCTION_FIFO_USE));
+
+            if ((tbl[index + 1] & USB_FUNCTION_DIRFIELD) == USB_FUNCTION_DIR_P_OUT)
+            {
+                tbl[index + 1] |= USB_FUNCTION_SHTNAKON;
+#ifdef  __USB_DMA_BFRE_ENABLE__
+                /* this routine cannnot be perfomred if read operation is executed in buffer size */
+                if (((tbl[index + 0] & USB_FUNCTION_FIFO_USE) == USB_FUNCTION_D0FIFO_DMA) ||
+                    ((tbl[index + 0] & USB_FUNCTION_FIFO_USE) == USB_FUNCTION_D1FIFO_DMA))
+                {
+                    tbl[index + 1] |= USB_FUNCTION_BFREON;
+                }
+#endif
+            }
+
+            /* Interrupt Disable */
+            buf  = USB201.BRDYENB;
+            buf &= (uint16_t)~g_usb1_function_bit_set[pipe];
+            USB201.BRDYENB = buf;
+            buf  = USB201.NRDYENB;
+            buf &= (uint16_t)~g_usb1_function_bit_set[pipe];
+            USB201.NRDYENB = buf;
+            buf  = USB201.BEMPENB;
+            buf &= (uint16_t)~g_usb1_function_bit_set[pipe];
+            USB201.BEMPENB = buf;
+
+            usb1_function_set_pid_nak(pipe);
+
+            /* CurrentPIPE Clear */
+            if (RZA_IO_RegRead_16(&USB201.CFIFOSEL,
+                                    USB_CFIFOSEL_CURPIPE_SHIFT,
+                                    USB_CFIFOSEL_CURPIPE) == pipe)
+            {
+                RZA_IO_RegWrite_16(&USB201.CFIFOSEL,
+                                    0,
+                                    USB_CFIFOSEL_CURPIPE_SHIFT,
+                                    USB_CFIFOSEL_CURPIPE);
+            }
+
+            if (RZA_IO_RegRead_16(&USB201.D0FIFOSEL,
+                                    USB_DnFIFOSEL_CURPIPE_SHIFT,
+                                    USB_DnFIFOSEL_CURPIPE) == pipe)
+            {
+                RZA_IO_RegWrite_16(&USB201.D0FIFOSEL,
+                                    0,
+                                    USB_DnFIFOSEL_CURPIPE_SHIFT,
+                                    USB_DnFIFOSEL_CURPIPE);
+            }
+
+            if (RZA_IO_RegRead_16(&USB201.D1FIFOSEL,
+                                    USB_DnFIFOSEL_CURPIPE_SHIFT,
+                                    USB_DnFIFOSEL_CURPIPE) == pipe)
+            {
+                RZA_IO_RegWrite_16(&USB201.D1FIFOSEL,
+                                    0,
+                                    USB_DnFIFOSEL_CURPIPE_SHIFT,
+                                    USB_DnFIFOSEL_CURPIPE);
+            }
+
+            /* PIPE Configuration */
+            USB201.PIPESEL  = pipe;
+            USB201.PIPECFG  = tbl[index + 1];
+            USB201.PIPEBUF  = tbl[index + 2];
+            USB201.PIPEMAXP = tbl[index + 3];
+            USB201.PIPEPERI = tbl[index + 4];
+
+            g_usb1_function_pipecfg[pipe]  = tbl[index + 1];
+            g_usb1_function_pipebuf[pipe]  = tbl[index + 2];
+            g_usb1_function_pipemaxp[pipe] = tbl[index + 3];
+            g_usb1_function_pipeperi[pipe] = tbl[index + 4];
+
+            /* Buffer Clear */
+            usb1_function_set_sqclr(pipe);
+            usb1_function_aclrm(pipe);
+
+            /* init Global */
+            g_usb1_function_pipe_status[pipe]  = DEVDRV_USBF_PIPE_IDLE;
+            g_usb1_function_PipeDataSize[pipe] = 0;
+        }
+    }
+}
+#endif
+
+/*******************************************************************************
+* Function Name: usb1_function_EpToPipe
+* Description  : Returns the pipe which end point specified by the argument is
+*              : allocated to.
+* Arguments    : uint16_t ep       ; Direction + Endpoint Number
+* Return Value : USB_FUNCTION_EP_ERROR         : Error
+*              : Others           : Pipe Number
+*******************************************************************************/
+uint16_t usb1_function_EpToPipe (uint16_t ep)
+{
+    uint16_t pipe;
+
+    for (pipe = 1; pipe <= USB_FUNCTION_MAX_PIPE_NO; pipe++)
+    {
+        if ((g_usb1_function_PipeTbl[pipe] & 0x00ff) == ep)
+        {
+            return pipe;
+        }
+    }
+
+    return USB_FUNCTION_EP_ERROR;
+}
+
+/*******************************************************************************
+* Function Name: usb1_function_InitEPTable
+* Description  : Sets the end point by the Alternate setting value of the
+*              : configuration number and the interface number specified by the
+*              : argument.
+* Arguments    : uint16_t Con_Num       ; Configuration Number
+*              : uint16_t Int_Num       ; Interface Number
+*              : uint16_t Alt_Num       ; Alternate Setting
+* Return Value : none
+*******************************************************************************/
+#if 0
+void usb1_function_InitEPTable (uint16_t Con_Num, uint16_t Int_Num, uint16_t Alt_Num)
+{
+    uint8_t  * ptr;
+    uint16_t   point_interface;
+    uint16_t   point_endpoint;
+    uint16_t   length;
+    uint16_t   start;
+    uint16_t   numbers;
+    uint16_t   endpoint;
+
+    ptr = (uint8_t *)g_usb1_function_ConfigurationPtr[Con_Num - 1];
+    point_interface = *ptr;
+    length = (uint16_t)((uint16_t)*(ptr + 3) << 8 | (uint16_t)*(ptr + 2));
+    ptr  += *ptr;
+    start   = 0;
+    numbers = 0;
+    point_endpoint = 0;
+
+    for (; point_interface < length;)
+    {
+        switch (*(ptr + 1))                                     /* Descriptor Type ? */
+        {
+            case USB_FUNCTION_DT_INTERFACE:                     /* Interface */
+                if ((*(ptr + 2) == Int_Num) && (*(ptr + 3) == Alt_Num))
+                {
+                    numbers = *(ptr + 4);
+                }
+                else
+                {
+                    start  += *(ptr + 4);
+                }
+                point_interface += *ptr;
+                ptr += *ptr;
+            break;
+
+            case USB_FUNCTION_DT_ENDPOINT:                      /* Endpoint */
+                if (point_endpoint < numbers)
+                {
+                    endpoint = (uint16_t)(*(ptr + 2) & 0x0f);
+                    g_usb1_function_EPTableIndex[endpoint] = (uint16_t)(start + point_endpoint);
+                    ++point_endpoint;
+                }
+                point_interface += *ptr;
+                ptr += *ptr;
+            break;
+
+            case USB_FUNCTION_DT_DEVICE:                        /* Device */
+            case USB_FUNCTION_DT_CONFIGURATION:                 /* Configuration */
+            case USB_FUNCTION_DT_STRING:                        /* String */
+            default:                                            /* Class, Vendor, else */
+                point_interface += *ptr;
+                ptr += *ptr;
+            break;
+        }
+    }
+}
+#endif
+
+/*******************************************************************************
+* Function Name: usb1_function_GetConfigNum
+* Description  : Returns the number of configuration referring to the number of
+*              : configuration described in the device descriptor.
+* Arguments    : none
+* Return Value : Number of possible configurations (bNumConfigurations).
+*******************************************************************************/
+#if 0
+uint16_t usb1_function_GetConfigNum (void)
+{
+    return (uint16_t)g_usb1_function_DeviceDescriptor[17];
+}
+#endif
+
+/*******************************************************************************
+* Function Name: usb1_function_GetInterfaceNum
+* Description  : Returns the number of interface referring to the number of
+*              : interface described in the configuration descriptor.
+* Arguments    : uint16_t num       ; Configuration Number
+* Return Value : Number of this interface (bNumInterfaces).
+*******************************************************************************/
+#if 0
+uint16_t usb1_function_GetInterfaceNum (uint16_t num)
+{
+    return (uint16_t)(*(g_usb1_function_ConfigurationPtr[num - 1] + 4));
+}
+#endif
+
+/*******************************************************************************
+* Function Name: usb1_function_GetAltNum
+* Description  : Returns the Alternate setting value of the configuration number
+*              : and the interface number specified by the argument.
+* Arguments    : uint16_t Con_Num       ; Configuration Number
+*              : uint16_t Int_Num       ; Interface Number
+* Return Value : Value used to select this alternate setting(bAlternateSetting).
+*******************************************************************************/
+#if 0
+uint16_t usb1_function_GetAltNum (uint16_t Con_Num, uint16_t Int_Num)
+{
+    uint8_t  * ptr;
+    uint16_t   point;
+    uint16_t   alt_num = 0;
+    uint16_t   length;
+
+    ptr = (uint8_t *)(g_usb1_function_ConfigurationPtr[Con_Num - 1]);
+    point = ptr[0];
+    ptr  += ptr[0];                                 /* InterfaceDescriptor[0] */
+    length  = (uint16_t)(*(g_usb1_function_ConfigurationPtr[Con_Num - 1] + 2));
+    length |= (uint16_t)((uint16_t)(*(g_usb1_function_ConfigurationPtr[Con_Num - 1] + 3)) << 8);
+
+    for (; point < length;)                                 /* Search Descriptor Table size */
+    {
+        switch (ptr[1])                                     /* Descriptor Type ? */
+        {
+            case USB_FUNCTION_DT_INTERFACE:                 /* Interface */
+                if (Int_Num == ptr[2])
+                {
+                    alt_num = (uint16_t)ptr[3];             /* Alternate Number count */
+                }
+                point += ptr[0];
+                ptr += ptr[0];
+            break;
+
+            case USB_FUNCTION_DT_DEVICE:                    /* Device */
+            case USB_FUNCTION_DT_CONFIGURATION:             /* Configuration */
+            case USB_FUNCTION_DT_STRING:                    /* String */
+            case USB_FUNCTION_DT_ENDPOINT:                  /* Endpoint */
+            default:                                        /* Class, Vendor, else */
+                point += ptr[0];
+                ptr   += ptr[0];
+            break;
+        }
+    }
+    return alt_num;
+}
+#endif
+
+/*******************************************************************************
+* Function Name: usb1_function_CheckRemoteWakeup
+* Description  : Returns the result of the remote wake up function is supported
+*              : or not referring to the configuration descriptor.
+* Arguments    : none
+* Return Value : DEVDRV_USBF_ON     :   Support Remote Wakeup
+*              : DEVDRV_USBF_OFF    :   not Support Remote Wakeup
+*******************************************************************************/
+#if 0
+uint16_t usb1_function_CheckRemoteWakeup (void)
+{
+    uint8_t atr;
+
+    if (g_usb1_function_ConfigNum == 0)
+    {
+        return DEVDRV_USBF_OFF;
+    }
+
+    atr = *(g_usb1_function_ConfigurationPtr[g_usb1_function_ConfigNum - 1] + 7);
+
+    if (atr & USB_FUNCTION_CF_RWUP)
+    {
+        return DEVDRV_USBF_ON;
+    }
+
+    return DEVDRV_USBF_OFF;
+}
+#endif
+
+/*******************************************************************************
+* Function Name: usb1_function_clear_alt
+* Description  : Initializes the Alternate setting area.
+* Arguments    : none
+* Return Value : none
+*******************************************************************************/
+#if 0
+void usb1_function_clear_alt (void)
+{
+    int i;
+
+    for (i = 0; i < USB_FUNCTION_ALT_NO; ++i)
+    {
+        g_usb1_function_Alternate[i] = 0;                           /* Alternate */
+    }
+}
+#endif
+
+/*******************************************************************************
+* Function Name: usb1_function_clear_pipe_tbl
+* Description  : Initializes pipe definition table.
+* Arguments    : none
+* Return Value : none
+*******************************************************************************/
+void usb1_function_clear_pipe_tbl (void)
+{
+    int pipe;
+
+    for (pipe = 0; pipe < (USB_FUNCTION_MAX_PIPE_NO + 1); ++pipe)
+    {
+        g_usb1_function_PipeTbl[pipe] = 0;
+    }
+}
+
+/*******************************************************************************
+* Function Name: usb1_function_clear_ep_table_index
+* Description  : Initializes the end point table index.
+* Arguments    : none
+* Return Value : none
+*******************************************************************************/
+#if 0
+void usb1_function_clear_ep_table_index (void)
+{
+    int ep;
+
+    for (ep = 0; ep <= USB_FUNCTION_MAX_EP_NO; ++ep)
+    {
+        g_usb1_function_EPTableIndex[ep] = USB_FUNCTION_EP_ERROR;
+    }
+}
+#endif
+
+/* End of File */