tmk_core/tool/mbed/mbed-sdk/libraries/USBDevice/USBDevice/TARGET_RENESAS/TARGET_RZ_A1H/usb1/src/function/usb1_function_controlrw.c

   1 /*******************************************************************************
   2 * DISCLAIMER
   3 * This software is supplied by Renesas Electronics Corporation and is only
   4 * intended for use with Renesas products. No other uses are authorized. This
   5 * software is owned by Renesas Electronics Corporation and is protected under
   6 * all applicable laws, including copyright laws.
   7 * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
   8 * THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
   9 * LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
  10 * AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
  11 * TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
  12 * ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
  13 * FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
  14 * ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
  15 * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
  16 * Renesas reserves the right, without notice, to make changes to this software
  17 * and to discontinue the availability of this software. By using this software,
  18 * you agree to the additional terms and conditions found by accessing the
  19 * following link:
  20 * http://www.renesas.com/disclaimer
  21 * Copyright (C) 2012 - 2014 Renesas Electronics Corporation. All rights reserved.
  22 *******************************************************************************/
  23 /*******************************************************************************
  24 * File Name    : usb1_function_controlrw.c
  25 * $Rev: 1116 $
  26 * $Date:: 2014-07-09 16:29:19 +0900#$
  27 * Device(s)    : RZ/A1H
  28 * Tool-Chain   :
  29 * OS           : None
  30 * H/W Platform :
  31 * Description  : RZ/A1H R7S72100 USB Sample Program
  32 * Operation    :
  33 * Limitations  :
  34 *******************************************************************************/
  35
  36
  37 /*******************************************************************************
  38 Includes   <System Includes> , "Project Includes"
  39 *******************************************************************************/
  40 #include "usb1_function.h"
  41
  42
  43 /*******************************************************************************
  44 Typedef definitions
  45 *******************************************************************************/
  46
  47
  48 /*******************************************************************************
  49 Macro definitions
  50 *******************************************************************************/
  51
  52
  53 /*******************************************************************************
  54 Imported global variables and functions (from other files)
  55 *******************************************************************************/
  56
  57
  58 /*******************************************************************************
  59 Exported global variables and functions (to be accessed by other files)
  60 *******************************************************************************/
  61
  62
  63 /*******************************************************************************
  64 Private global variables and functions
  65 *******************************************************************************/
  66
  67
  68 /*******************************************************************************
  69 * Function Name: usb1_api_function_CtrlReadStart
  70 * Description  : Executes the USB control read transfer.
  71 *              : USB host controller <- USB device
  72 * Arguments    : uint16_t size     ; Data Size
  73 *              : uint8_t  *data    ; Data Address
  74 * Return Value : DEVDRV_USBF_WRITEEND          ; End of data write
  75 *              : DEVDRV_USBF_WRITESHRT         ; End of short data write
  76 *              : DEVDRV_USBF_WRITING           ; Continue of data write
  77 *              : DEVDRV_USBF_FIFOERROR         ; FIFO access error
  78 *******************************************************************************/
  79 uint16_t usb1_api_function_CtrlReadStart (uint32_t size, uint8_t * data)
  80 {
  81     uint16_t status;
  82     uint16_t mbw;
  83
  84     usb1_function_set_pid_nak(USB_FUNCTION_PIPE0);
  85
  86     g_usb1_function_data_count[USB_FUNCTION_PIPE0]   = size;
  87     g_usb1_function_data_pointer[USB_FUNCTION_PIPE0] = data;
  88
  89     mbw = usb1_function_get_mbw(g_usb1_function_data_count[USB_FUNCTION_PIPE0],
  90                                     (uint32_t)g_usb1_function_data_pointer[USB_FUNCTION_PIPE0]);
  91     usb1_function_set_curpipe(USB_FUNCTION_PIPE0, USB_FUNCTION_CUSE, USB_FUNCTION_CFIFO_WRITE, mbw);
  92     USB201.CFIFOCTR = USB_FUNCTION_BITBCLR;
  93
  94     status = usb1_function_write_buffer_c(USB_FUNCTION_PIPE0);
  95
  96     /* Peripheral Control sequence */
  97     switch (status)
  98     {
  99         case DEVDRV_USBF_WRITESHRT:                                     /* End of data write */
 100         case DEVDRV_USBF_WRITEEND:                                      /* End of data write (not null) */
 101         case DEVDRV_USBF_WRITING:                                       /* Continue of data write */
 102             usb1_function_enable_bemp_int(USB_FUNCTION_PIPE0);          /* Enable Empty Interrupt */
 103             usb1_function_set_pid_buf(USB_FUNCTION_PIPE0);              /* Set BUF */
 104         break;
 105
 106         case DEVDRV_USBF_FIFOERROR:                                     /* FIFO access error */
 107         break;
 108
 109         default:
 110         break;
 111     }
 112
 113     return status;                                                      /* End or Err or Continue */
 114 }
 115
 116 /*******************************************************************************
 117 * Function Name: usb1_api_function_CtrlWriteStart
 118 * Description  : Executes the USB control write transfer.
 119 *              : USB host controller -> USB device
 120 * Arguments    : uint16_t  size         ; Data Size
 121 *              : uint8_t  *data         ; Data Address
 122 * Return Value : none
 123 *******************************************************************************/
 124 void usb1_api_function_CtrlWriteStart (uint32_t size, uint8_t * data)
 125 {
 126     uint16_t mbw;
 127
 128     usb1_function_set_pid_nak(USB_FUNCTION_PIPE0);
 129
 130     g_usb1_function_data_count[USB_FUNCTION_PIPE0]   = size;
 131     g_usb1_function_data_pointer[USB_FUNCTION_PIPE0] = data;
 132
 133     mbw = usb1_function_get_mbw(g_usb1_function_data_count[USB_FUNCTION_PIPE0],
 134                                     (uint32_t)g_usb1_function_data_pointer[USB_FUNCTION_PIPE0]);
 135     usb1_function_set_curpipe(USB_FUNCTION_PIPE0, USB_FUNCTION_CUSE, USB_FUNCTION_CFIFO_WRITE, mbw);
 136     USB201.CFIFOCTR = USB_FUNCTION_BITBCLR;
 137
 138     usb1_function_enable_brdy_int(USB_FUNCTION_PIPE0);
 139     usb1_function_set_pid_buf(USB_FUNCTION_PIPE0);
 140 }
 141
 142 /* End of File */