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/*******************************************************************************
* 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 : usb0_host_controlrw.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 "usb0_host.h"
#include "dev_drv.h"
/*******************************************************************************
Typedef definitions
*******************************************************************************/
/*******************************************************************************
Macro definitions
*******************************************************************************/
/*******************************************************************************
Imported global variables and functions (from other files)
*******************************************************************************/
/*******************************************************************************
Exported global variables and functions (to be accessed by other files)
*******************************************************************************/
/*******************************************************************************
Private global variables and functions
*******************************************************************************/
/*******************************************************************************
* Function Name: usb0_host_CtrlTransStart
* Description : Executes USB control transfer.
* Arguments : uint16_t devadr ; device address
* : uint16_t Req ; bmRequestType & bRequest
* : uint16_t Val ; wValue
* : uint16_t Indx ; wIndex
* : uint16_t Len ; wLength
* : uint8_t *Buf ; Data buffer
* Return Value : DEVDRV_SUCCESS ; SUCCESS
* : DEVDRV_ERROR ; ERROR
*******************************************************************************/
int32_t usb0_host_CtrlTransStart (uint16_t devadr, uint16_t Req, uint16_t Val,
uint16_t Indx, uint16_t Len, uint8_t * Buf)
{
if (g_usb0_host_UsbDeviceSpeed == USB_HOST_LOW_SPEED)
{
RZA_IO_RegWrite_16(&USB200.SOFCFG,
1,
USB_SOFCFG_TRNENSEL_SHIFT,
USB_SOFCFG_TRNENSEL);
}
else
{
RZA_IO_RegWrite_16(&USB200.SOFCFG,
0,
USB_SOFCFG_TRNENSEL_SHIFT,
USB_SOFCFG_TRNENSEL);
}
USB200.DCPMAXP = (uint16_t)((uint16_t)(devadr << 12) + g_usb0_host_default_max_packet[devadr]);
if (g_usb0_host_pipe_status[USB_HOST_PIPE0] == USB_HOST_PIPE_IDLE)
{
g_usb0_host_pipe_status[USB_HOST_PIPE0] = USB_HOST_PIPE_WAIT;
g_usb0_host_PipeIgnore[USB_HOST_PIPE0] = 0; /* Ignore count clear */
g_usb0_host_CmdStage = (USB_HOST_STAGE_SETUP | USB_HOST_CMD_IDLE);
if (Len == 0)
{
g_usb0_host_CmdStage |= USB_HOST_MODE_NO_DATA; /* No-data Control */
}
else
{
if ((Req & 0x0080) != 0)
{
g_usb0_host_CmdStage |= USB_HOST_MODE_READ; /* Control Read */
}
else
{
g_usb0_host_CmdStage |= USB_HOST_MODE_WRITE; /* Control Write */
}
}
g_usb0_host_SavReq = Req; /* save request */
g_usb0_host_SavVal = Val;
g_usb0_host_SavIndx = Indx;
g_usb0_host_SavLen = Len;
}
else
{
if ((g_usb0_host_SavReq != Req) || (g_usb0_host_SavVal != Val)
|| (g_usb0_host_SavIndx != Indx) || (g_usb0_host_SavLen != Len))
{
return DEVDRV_ERROR;
}
}
switch ((g_usb0_host_CmdStage & (USB_HOST_STAGE_FIELD | USB_HOST_CMD_FIELD)))
{
/* --------------- SETUP STAGE --------------- */
case (USB_HOST_STAGE_SETUP | USB_HOST_CMD_IDLE):
usb0_host_SetupStage(Req, Val, Indx, Len);
break;
case (USB_HOST_STAGE_SETUP | USB_HOST_CMD_DOING):
/* do nothing */
break;
case (USB_HOST_STAGE_SETUP | USB_HOST_CMD_DONE): /* goto next stage */
g_usb0_host_PipeIgnore[USB_HOST_PIPE0] = 0; /* Ignore count clear */
switch ((g_usb0_host_CmdStage & (USB_HOST_MODE_FIELD)))
{
case USB_HOST_MODE_WRITE:
g_usb0_host_CmdStage &= (~USB_HOST_STAGE_FIELD);
g_usb0_host_CmdStage |= USB_HOST_STAGE_DATA;
break;
case USB_HOST_MODE_READ:
g_usb0_host_CmdStage &= (~USB_HOST_STAGE_FIELD);
g_usb0_host_CmdStage |= USB_HOST_STAGE_DATA;
break;
case USB_HOST_MODE_NO_DATA:
g_usb0_host_CmdStage &= (~USB_HOST_STAGE_FIELD);
g_usb0_host_CmdStage |= USB_HOST_STAGE_STATUS;
break;
default:
break;
}
g_usb0_host_CmdStage &= (~USB_HOST_CMD_FIELD);
g_usb0_host_CmdStage |= USB_HOST_CMD_IDLE;
break;
case (USB_HOST_STAGE_SETUP | USB_HOST_CMD_NORES):
if (g_usb0_host_PipeIgnore[USB_HOST_PIPE0] == 3)
{
g_usb0_host_pipe_status[USB_HOST_PIPE0] = USB_HOST_PIPE_NORES; /* exit NORES */
}
else
{
g_usb0_host_PipeIgnore[USB_HOST_PIPE0]++; /* Ignore count */
g_usb0_host_CmdStage &= (~USB_HOST_CMD_FIELD);
g_usb0_host_CmdStage |= USB_HOST_CMD_IDLE;
}
break;
/* --------------- DATA STAGE --------------- */
case (USB_HOST_STAGE_DATA | USB_HOST_CMD_IDLE):
switch ((g_usb0_host_CmdStage & (USB_HOST_MODE_FIELD)))
{
case USB_HOST_MODE_WRITE:
usb0_host_CtrlWriteStart((uint32_t)Len, Buf);
break;
case USB_HOST_MODE_READ:
usb0_host_CtrlReadStart((uint32_t)Len, Buf);
break;
default:
break;
}
break;
case (USB_HOST_STAGE_DATA | USB_HOST_CMD_DOING):
/* do nothing */
break;
case (USB_HOST_STAGE_DATA | USB_HOST_CMD_DONE): /* goto next stage */
g_usb0_host_PipeIgnore[USB_HOST_PIPE0] = 0; /* Ignore count clear */
g_usb0_host_CmdStage &= (~USB_HOST_STAGE_FIELD);
g_usb0_host_CmdStage |= USB_HOST_STAGE_STATUS;
g_usb0_host_CmdStage &= (~USB_HOST_CMD_FIELD);
g_usb0_host_CmdStage |= USB_HOST_CMD_IDLE;
break;
case (USB_HOST_STAGE_DATA | USB_HOST_CMD_NORES):
if (g_usb0_host_PipeIgnore[USB_HOST_PIPE0] == 3)
{
g_usb0_host_pipe_status[USB_HOST_PIPE0] = USB_HOST_PIPE_NORES; /* exit NORES */
}
else
{
g_usb0_host_PipeIgnore[USB_HOST_PIPE0]++; /* Ignore count */
g_usb0_host_CmdStage &= (~USB_HOST_CMD_FIELD);
g_usb0_host_CmdStage |= USB_HOST_CMD_DOING;
usb0_host_clear_pid_stall(USB_HOST_PIPE0);
usb0_host_set_pid_buf(USB_HOST_PIPE0);
}
break;
case (USB_HOST_STAGE_DATA | USB_HOST_CMD_STALL):
g_usb0_host_pipe_status[USB_HOST_PIPE0] = USB_HOST_PIPE_STALL; /* exit STALL */
break;
/* --------------- STATUS STAGE --------------- */
case (USB_HOST_STAGE_STATUS | USB_HOST_CMD_IDLE):
usb0_host_StatusStage();
break;
case (USB_HOST_STAGE_STATUS | USB_HOST_CMD_DOING):
/* do nothing */
break;
case (USB_HOST_STAGE_STATUS | USB_HOST_CMD_DONE): /* end of Control transfer */
usb0_host_set_pid_nak(USB_HOST_PIPE0);
g_usb0_host_pipe_status[USB_HOST_PIPE0] = USB_HOST_PIPE_DONE; /* exit DONE */
break;
case (USB_HOST_STAGE_STATUS | USB_HOST_CMD_NORES):
if (g_usb0_host_PipeIgnore[USB_HOST_PIPE0] == 3)
{
g_usb0_host_pipe_status[USB_HOST_PIPE0] = USB_HOST_PIPE_NORES; /* exit NORES */
}
else
{
g_usb0_host_PipeIgnore[USB_HOST_PIPE0]++; /* Ignore count */
g_usb0_host_CmdStage &= (~USB_HOST_CMD_FIELD);
g_usb0_host_CmdStage |= USB_HOST_CMD_DOING;
usb0_host_clear_pid_stall(USB_HOST_PIPE0);
usb0_host_set_pid_buf(USB_HOST_PIPE0);
}
break;
case (USB_HOST_STAGE_STATUS | USB_HOST_CMD_STALL):
g_usb0_host_pipe_status[USB_HOST_PIPE0] = USB_HOST_PIPE_STALL; /* exit STALL */
break;
default:
break;
}
if (g_usb0_host_pipe_status[USB_HOST_PIPE0] != USB_HOST_PIPE_WAIT)
{
RZA_IO_RegWrite_16(&USB200.SOFCFG,
0,
USB_SOFCFG_TRNENSEL_SHIFT,
USB_SOFCFG_TRNENSEL);
}
return DEVDRV_SUCCESS;
}
/*******************************************************************************
* Function Name: usb0_host_SetupStage
* Description : Executes USB control transfer/set up stage.
* Arguments : uint16_t Req ; bmRequestType & bRequest
* : uint16_t Val ; wValue
* : uint16_t Indx ; wIndex
* : uint16_t Len ; wLength
* Return Value : none
*******************************************************************************/
void usb0_host_SetupStage (uint16_t Req, uint16_t Val, uint16_t Indx, uint16_t Len)
{
g_usb0_host_CmdStage &= (~USB_HOST_CMD_FIELD);
g_usb0_host_CmdStage |= USB_HOST_CMD_DOING;
USB200.INTSTS1 = (uint16_t)~(USB_HOST_BITSACK | USB_HOST_BITSIGN); /* Status Clear */
USB200.USBREQ = Req;
USB200.USBVAL = Val;
USB200.USBINDX = Indx;
USB200.USBLENG = Len;
USB200.DCPCTR = USB_HOST_BITSUREQ; /* PID=NAK & Send Setup */
}
/*******************************************************************************
* Function Name: usb0_host_StatusStage
* Description : Executes USB control transfer/status stage.
* Arguments : none
* Return Value : none
*******************************************************************************/
void usb0_host_StatusStage (void)
{
uint8_t Buf1[16];
switch ((g_usb0_host_CmdStage & (USB_HOST_MODE_FIELD)))
{
case USB_HOST_MODE_READ:
usb0_host_CtrlWriteStart((uint32_t)0, (uint8_t *)&Buf1);
break;
case USB_HOST_MODE_WRITE:
usb0_host_CtrlReadStart((uint32_t)0, (uint8_t *)&Buf1);
break;
case USB_HOST_MODE_NO_DATA:
usb0_host_CtrlReadStart((uint32_t)0, (uint8_t *)&Buf1);
break;
default:
break;
}
}
/*******************************************************************************
* Function Name: usb0_host_CtrlWriteStart
* Description : Executes USB control transfer/data stage(write).
* Arguments : uint32_t Bsize ; Data Size
* : uint8_t *Table ; Data Table Address
* Return Value : USB_HOST_WRITESHRT ; End of data write
* : USB_HOST_WRITEEND ; End of data write (not null)
* : USB_HOST_WRITING ; Continue of data write
* : USB_HOST_FIFOERROR ; FIFO access error
*******************************************************************************/
uint16_t usb0_host_CtrlWriteStart (uint32_t Bsize, uint8_t * Table)
{
uint16_t EndFlag_K;
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,
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 */
|
