435 行
18 KiB
C
435 行
18 KiB
C
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/*******************************************************************************
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* DISCLAIMER
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* This software is supplied by Renesas Electronics Corporation and is only
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* intended for use with Renesas products. No other uses are authorized. This
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* software is owned by Renesas Electronics Corporation and is protected under
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* all applicable laws, including copyright laws.
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* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
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* THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
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* LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
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* AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
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* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
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* ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
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* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
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* ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
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* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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* Renesas reserves the right, without notice, to make changes to this software
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* and to discontinue the availability of this software. By using this software,
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* you agree to the additional terms and conditions found by accessing the
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* following link:
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* http://www.renesas.com/disclaimer
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* Copyright (C) 2012 - 2014 Renesas Electronics Corporation. All rights reserved.
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*******************************************************************************/
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/*******************************************************************************
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* File Name : usb0_host_controlrw.c
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* $Rev: 1116 $
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* $Date:: 2014-07-09 16:29:19 +0900#$
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* Device(s) : RZ/A1H
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* Tool-Chain :
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* OS : None
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* H/W Platform :
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* Description : RZ/A1H R7S72100 USB Sample Program
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* Operation :
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* Limitations :
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*******************************************************************************/
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/*******************************************************************************
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Includes <System Includes> , "Project Includes"
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*******************************************************************************/
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#include "usb0_host.h"
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#include "dev_drv.h"
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/*******************************************************************************
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Typedef definitions
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*******************************************************************************/
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/*******************************************************************************
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Macro definitions
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*******************************************************************************/
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/*******************************************************************************
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Imported global variables and functions (from other files)
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*******************************************************************************/
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/*******************************************************************************
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Exported global variables and functions (to be accessed by other files)
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*******************************************************************************/
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/*******************************************************************************
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Private global variables and functions
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*******************************************************************************/
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/*******************************************************************************
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* Function Name: usb0_host_CtrlTransStart
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* Description : Executes USB control transfer.
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* Arguments : uint16_t devadr ; device address
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* : uint16_t Req ; bmRequestType & bRequest
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* : uint16_t Val ; wValue
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* : uint16_t Indx ; wIndex
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* : uint16_t Len ; wLength
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* : uint8_t *Buf ; Data buffer
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* Return Value : DEVDRV_SUCCESS ; SUCCESS
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* : DEVDRV_ERROR ; ERROR
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*******************************************************************************/
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int32_t usb0_host_CtrlTransStart (uint16_t devadr, uint16_t Req, uint16_t Val,
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uint16_t Indx, uint16_t Len, uint8_t * Buf)
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{
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if (g_usb0_host_UsbDeviceSpeed == USB_HOST_LOW_SPEED)
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{
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RZA_IO_RegWrite_16(&USB200.SOFCFG,
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1,
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USB_SOFCFG_TRNENSEL_SHIFT,
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USB_SOFCFG_TRNENSEL);
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}
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else
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{
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RZA_IO_RegWrite_16(&USB200.SOFCFG,
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0,
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USB_SOFCFG_TRNENSEL_SHIFT,
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USB_SOFCFG_TRNENSEL);
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}
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USB200.DCPMAXP = (uint16_t)((uint16_t)(devadr << 12) + g_usb0_host_default_max_packet[devadr]);
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if (g_usb0_host_pipe_status[USB_HOST_PIPE0] == USB_HOST_PIPE_IDLE)
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{
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g_usb0_host_pipe_status[USB_HOST_PIPE0] = USB_HOST_PIPE_WAIT;
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g_usb0_host_PipeIgnore[USB_HOST_PIPE0] = 0; /* Ignore count clear */
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g_usb0_host_CmdStage = (USB_HOST_STAGE_SETUP | USB_HOST_CMD_IDLE);
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if (Len == 0)
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{
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g_usb0_host_CmdStage |= USB_HOST_MODE_NO_DATA; /* No-data Control */
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}
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else
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{
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if ((Req & 0x0080) != 0)
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{
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g_usb0_host_CmdStage |= USB_HOST_MODE_READ; /* Control Read */
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}
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else
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{
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g_usb0_host_CmdStage |= USB_HOST_MODE_WRITE; /* Control Write */
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}
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}
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g_usb0_host_SavReq = Req; /* save request */
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g_usb0_host_SavVal = Val;
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g_usb0_host_SavIndx = Indx;
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g_usb0_host_SavLen = Len;
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}
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else
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{
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if ((g_usb0_host_SavReq != Req) || (g_usb0_host_SavVal != Val)
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|| (g_usb0_host_SavIndx != Indx) || (g_usb0_host_SavLen != Len))
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{
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return DEVDRV_ERROR;
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}
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}
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switch ((g_usb0_host_CmdStage & (USB_HOST_STAGE_FIELD | USB_HOST_CMD_FIELD)))
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{
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/* --------------- SETUP STAGE --------------- */
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case (USB_HOST_STAGE_SETUP | USB_HOST_CMD_IDLE):
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usb0_host_SetupStage(Req, Val, Indx, Len);
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break;
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case (USB_HOST_STAGE_SETUP | USB_HOST_CMD_DOING):
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/* do nothing */
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break;
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case (USB_HOST_STAGE_SETUP | USB_HOST_CMD_DONE): /* goto next stage */
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g_usb0_host_PipeIgnore[USB_HOST_PIPE0] = 0; /* Ignore count clear */
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switch ((g_usb0_host_CmdStage & (USB_HOST_MODE_FIELD)))
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{
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case USB_HOST_MODE_WRITE:
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g_usb0_host_CmdStage &= (~USB_HOST_STAGE_FIELD);
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g_usb0_host_CmdStage |= USB_HOST_STAGE_DATA;
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break;
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case USB_HOST_MODE_READ:
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g_usb0_host_CmdStage &= (~USB_HOST_STAGE_FIELD);
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g_usb0_host_CmdStage |= USB_HOST_STAGE_DATA;
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break;
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case USB_HOST_MODE_NO_DATA:
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g_usb0_host_CmdStage &= (~USB_HOST_STAGE_FIELD);
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g_usb0_host_CmdStage |= USB_HOST_STAGE_STATUS;
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break;
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default:
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break;
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}
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g_usb0_host_CmdStage &= (~USB_HOST_CMD_FIELD);
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g_usb0_host_CmdStage |= USB_HOST_CMD_IDLE;
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break;
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case (USB_HOST_STAGE_SETUP | USB_HOST_CMD_NORES):
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if (g_usb0_host_PipeIgnore[USB_HOST_PIPE0] == 3)
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{
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g_usb0_host_pipe_status[USB_HOST_PIPE0] = USB_HOST_PIPE_NORES; /* exit NORES */
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}
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else
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{
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g_usb0_host_PipeIgnore[USB_HOST_PIPE0]++; /* Ignore count */
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g_usb0_host_CmdStage &= (~USB_HOST_CMD_FIELD);
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g_usb0_host_CmdStage |= USB_HOST_CMD_IDLE;
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}
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break;
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/* --------------- DATA STAGE --------------- */
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case (USB_HOST_STAGE_DATA | USB_HOST_CMD_IDLE):
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switch ((g_usb0_host_CmdStage & (USB_HOST_MODE_FIELD)))
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{
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case USB_HOST_MODE_WRITE:
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usb0_host_CtrlWriteStart((uint32_t)Len, Buf);
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break;
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case USB_HOST_MODE_READ:
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usb0_host_CtrlReadStart((uint32_t)Len, Buf);
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break;
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default:
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break;
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}
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break;
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case (USB_HOST_STAGE_DATA | USB_HOST_CMD_DOING):
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/* do nothing */
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break;
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case (USB_HOST_STAGE_DATA | USB_HOST_CMD_DONE): /* goto next stage */
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g_usb0_host_PipeIgnore[USB_HOST_PIPE0] = 0; /* Ignore count clear */
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g_usb0_host_CmdStage &= (~USB_HOST_STAGE_FIELD);
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g_usb0_host_CmdStage |= USB_HOST_STAGE_STATUS;
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g_usb0_host_CmdStage &= (~USB_HOST_CMD_FIELD);
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g_usb0_host_CmdStage |= USB_HOST_CMD_IDLE;
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break;
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case (USB_HOST_STAGE_DATA | USB_HOST_CMD_NORES):
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if (g_usb0_host_PipeIgnore[USB_HOST_PIPE0] == 3)
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{
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g_usb0_host_pipe_status[USB_HOST_PIPE0] = USB_HOST_PIPE_NORES; /* exit NORES */
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}
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else
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{
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g_usb0_host_PipeIgnore[USB_HOST_PIPE0]++; /* Ignore count */
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g_usb0_host_CmdStage &= (~USB_HOST_CMD_FIELD);
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g_usb0_host_CmdStage |= USB_HOST_CMD_DOING;
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usb0_host_clear_pid_stall(USB_HOST_PIPE0);
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usb0_host_set_pid_buf(USB_HOST_PIPE0);
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}
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break;
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case (USB_HOST_STAGE_DATA | USB_HOST_CMD_STALL):
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g_usb0_host_pipe_status[USB_HOST_PIPE0] = USB_HOST_PIPE_STALL; /* exit STALL */
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break;
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/* --------------- STATUS STAGE --------------- */
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case (USB_HOST_STAGE_STATUS | USB_HOST_CMD_IDLE):
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usb0_host_StatusStage();
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break;
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case (USB_HOST_STAGE_STATUS | USB_HOST_CMD_DOING):
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/* do nothing */
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break;
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case (USB_HOST_STAGE_STATUS | USB_HOST_CMD_DONE): /* end of Control transfer */
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usb0_host_set_pid_nak(USB_HOST_PIPE0);
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g_usb0_host_pipe_status[USB_HOST_PIPE0] = USB_HOST_PIPE_DONE; /* exit DONE */
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break;
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case (USB_HOST_STAGE_STATUS | USB_HOST_CMD_NORES):
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if (g_usb0_host_PipeIgnore[USB_HOST_PIPE0] == 3)
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{
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g_usb0_host_pipe_status[USB_HOST_PIPE0] = USB_HOST_PIPE_NORES; /* exit NORES */
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}
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else
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{
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g_usb0_host_PipeIgnore[USB_HOST_PIPE0]++; /* Ignore count */
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g_usb0_host_CmdStage &= (~USB_HOST_CMD_FIELD);
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g_usb0_host_CmdStage |= USB_HOST_CMD_DOING;
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usb0_host_clear_pid_stall(USB_HOST_PIPE0);
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usb0_host_set_pid_buf(USB_HOST_PIPE0);
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}
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break;
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case (USB_HOST_STAGE_STATUS | USB_HOST_CMD_STALL):
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g_usb0_host_pipe_status[USB_HOST_PIPE0] = USB_HOST_PIPE_STALL; /* exit STALL */
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break;
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default:
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break;
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}
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if (g_usb0_host_pipe_status[USB_HOST_PIPE0] != USB_HOST_PIPE_WAIT)
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{
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RZA_IO_RegWrite_16(&USB200.SOFCFG,
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0,
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USB_SOFCFG_TRNENSEL_SHIFT,
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USB_SOFCFG_TRNENSEL);
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}
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return DEVDRV_SUCCESS;
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}
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/*******************************************************************************
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* Function Name: usb0_host_SetupStage
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* Description : Executes USB control transfer/set up stage.
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* Arguments : uint16_t Req ; bmRequestType & bRequest
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* : uint16_t Val ; wValue
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* : uint16_t Indx ; wIndex
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* : uint16_t Len ; wLength
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* Return Value : none
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*******************************************************************************/
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void usb0_host_SetupStage (uint16_t Req, uint16_t Val, uint16_t Indx, uint16_t Len)
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{
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g_usb0_host_CmdStage &= (~USB_HOST_CMD_FIELD);
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g_usb0_host_CmdStage |= USB_HOST_CMD_DOING;
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USB200.INTSTS1 = (uint16_t)~(USB_HOST_BITSACK | USB_HOST_BITSIGN); /* Status Clear */
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USB200.USBREQ = Req;
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USB200.USBVAL = Val;
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USB200.USBINDX = Indx;
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USB200.USBLENG = Len;
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USB200.DCPCTR = USB_HOST_BITSUREQ; /* PID=NAK & Send Setup */
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}
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/*******************************************************************************
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* Function Name: usb0_host_StatusStage
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* Description : Executes USB control transfer/status stage.
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* Arguments : none
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* Return Value : none
|
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*******************************************************************************/
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void usb0_host_StatusStage (void)
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{
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uint8_t Buf1[16];
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switch ((g_usb0_host_CmdStage & (USB_HOST_MODE_FIELD)))
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{
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case USB_HOST_MODE_READ:
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usb0_host_CtrlWriteStart((uint32_t)0, (uint8_t *)&Buf1);
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break;
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case USB_HOST_MODE_WRITE:
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usb0_host_CtrlReadStart((uint32_t)0, (uint8_t *)&Buf1);
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break;
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case USB_HOST_MODE_NO_DATA:
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usb0_host_CtrlReadStart((uint32_t)0, (uint8_t *)&Buf1);
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break;
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default:
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break;
|
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}
|
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}
|
||
|
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|
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|
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/*******************************************************************************
|
||
|
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* Function Name: usb0_host_CtrlWriteStart
|
||
|
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* Description : Executes USB control transfer/data stage(write).
|
||
|
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* Arguments : uint32_t Bsize ; Data Size
|
||
|
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* : uint8_t *Table ; Data Table Address
|
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* Return Value : USB_HOST_WRITESHRT ; End of data write
|
||
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* : USB_HOST_WRITEEND ; End of data write (not null)
|
||
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* : USB_HOST_WRITING ; Continue of data write
|
||
|
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* : USB_HOST_FIFOERROR ; FIFO access error
|
||
|
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*******************************************************************************/
|
||
|
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uint16_t usb0_host_CtrlWriteStart (uint32_t Bsize, uint8_t * Table)
|
||
|
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{
|
||
|
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uint16_t EndFlag_K;
|
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|
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uint16_t mbw;
|
||
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|
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|
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g_usb0_host_CmdStage &= (~USB_HOST_CMD_FIELD);
|
||
|
|
g_usb0_host_CmdStage |= USB_HOST_CMD_DOING;
|
||
|
|
|
||
|
|
usb0_host_set_pid_nak(USB_HOST_PIPE0); /* Set NAK */
|
||
|
|
g_usb0_host_data_count[USB_HOST_PIPE0] = Bsize; /* Transfer size set */
|
||
|
|
g_usb0_host_data_pointer[USB_HOST_PIPE0] = Table; /* Transfer address set */
|
||
|
|
|
||
|
|
USB200.DCPCTR = USB_HOST_BITSQSET; /* SQSET=1, PID=NAK */
|
||
|
|
#if(1) /* ohci_wrapp */
|
||
|
|
Userdef_USB_usb0_host_delay_10us(3);
|
||
|
|
#endif
|
||
|
|
RZA_IO_RegWrite_16(&USB200.DCPCFG,
|
||
|
|
1,
|
||
|
|
USB_DCPCFG_DIR_SHIFT,
|
||
|
|
USB_DCPCFG_DIR);
|
||
|
|
|
||
|
|
mbw = usb0_host_get_mbw(g_usb0_host_data_count[USB_HOST_PIPE0], (uint32_t)g_usb0_host_data_pointer[USB_HOST_PIPE0]);
|
||
|
|
usb0_host_set_curpipe(USB_HOST_PIPE0, USB_HOST_CUSE, USB_HOST_BITISEL, mbw);
|
||
|
|
USB200.CFIFOCTR = USB_HOST_BITBCLR; /* Buffer Clear */
|
||
|
|
|
||
|
|
usb0_host_clear_pid_stall(USB_HOST_PIPE0);
|
||
|
|
EndFlag_K = usb0_host_write_buffer_c(USB_HOST_PIPE0);
|
||
|
|
/* Host Control sequence */
|
||
|
|
switch (EndFlag_K)
|
||
|
|
{
|
||
|
|
case USB_HOST_WRITESHRT: /* End of data write */
|
||
|
|
g_usb0_host_CmdStage &= (~USB_HOST_STAGE_FIELD);
|
||
|
|
g_usb0_host_CmdStage |= USB_HOST_STAGE_STATUS;
|
||
|
|
usb0_host_enable_nrdy_int(USB_HOST_PIPE0); /* Error (NORES or STALL) */
|
||
|
|
usb0_host_enable_bemp_int(USB_HOST_PIPE0); /* Enable Empty Interrupt */
|
||
|
|
break;
|
||
|
|
|
||
|
|
case USB_HOST_WRITEEND: /* End of data write (not null) */
|
||
|
|
case USB_HOST_WRITING: /* Continue of data write */
|
||
|
|
usb0_host_enable_nrdy_int(USB_HOST_PIPE0); /* Error (NORES or STALL) */
|
||
|
|
usb0_host_enable_bemp_int(USB_HOST_PIPE0); /* Enable Empty Interrupt */
|
||
|
|
break;
|
||
|
|
|
||
|
|
case USB_HOST_FIFOERROR: /* FIFO access error */
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
usb0_host_set_pid_buf(USB_HOST_PIPE0); /* Set BUF */
|
||
|
|
return (EndFlag_K); /* End or Err or Continue */
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
* Function Name: usb0_host_CtrlReadStart
|
||
|
|
* Description : Executes USB control transfer/data stage(read).
|
||
|
|
* Arguments : uint32_t Bsize ; Data Size
|
||
|
|
* : uint8_t *Table ; Data Table Address
|
||
|
|
* Return Value : none
|
||
|
|
*******************************************************************************/
|
||
|
|
void usb0_host_CtrlReadStart (uint32_t Bsize, uint8_t * Table)
|
||
|
|
{
|
||
|
|
uint16_t mbw;
|
||
|
|
|
||
|
|
g_usb0_host_CmdStage &= (~USB_HOST_CMD_FIELD);
|
||
|
|
g_usb0_host_CmdStage |= USB_HOST_CMD_DOING;
|
||
|
|
|
||
|
|
usb0_host_set_pid_nak(USB_HOST_PIPE0); /* Set NAK */
|
||
|
|
g_usb0_host_data_count[USB_HOST_PIPE0] = Bsize; /* Transfer size set */
|
||
|
|
g_usb0_host_data_pointer[USB_HOST_PIPE0] = Table; /* Transfer address set */
|
||
|
|
|
||
|
|
USB200.DCPCTR = USB_HOST_BITSQSET; /* SQSET=1, PID=NAK */
|
||
|
|
#if(1) /* ohci_wrapp */
|
||
|
|
Userdef_USB_usb0_host_delay_10us(3);
|
||
|
|
#endif
|
||
|
|
RZA_IO_RegWrite_16(&USB200.DCPCFG,
|
||
|
|
0,
|
||
|
|
USB_DCPCFG_DIR_SHIFT,
|
||
|
|
USB_DCPCFG_DIR);
|
||
|
|
|
||
|
|
mbw = usb0_host_get_mbw(g_usb0_host_data_count[USB_HOST_PIPE0], (uint32_t)g_usb0_host_data_pointer[USB_HOST_PIPE0]);
|
||
|
|
usb0_host_set_curpipe(USB_HOST_PIPE0, USB_HOST_CUSE, USB_HOST_NO, mbw);
|
||
|
|
USB200.CFIFOCTR = USB_HOST_BITBCLR; /* Buffer Clear */
|
||
|
|
|
||
|
|
usb0_host_enable_nrdy_int(USB_HOST_PIPE0); /* Error (NORES or STALL) */
|
||
|
|
usb0_host_enable_brdy_int(USB_HOST_PIPE0); /* Ok */
|
||
|
|
usb0_host_clear_pid_stall(USB_HOST_PIPE0);
|
||
|
|
usb0_host_set_pid_buf(USB_HOST_PIPE0); /* Set BUF */
|
||
|
|
}
|
||
|
|
|
||
|
|
/* End of File */
|