Andy A
USB device stack - Added support for the logo/windows key to USB keyboard.
Fork of
USBDevice
by 
mbed official
USBDevice/TARGET_RENESAS/TARGET_RZ_A1H/usb1/src/common/usb1_function_dataio.c
- Committer:
- mbed_official
- Date:
- 2015-03-31
- Revision:
- 46:378357d7e90d
File content as of revision 46:378357d7e90d:
/*******************************************************************************
* 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_dataio.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)
*******************************************************************************/
/*******************************************************************************
Exported global variables and functions (to be accessed by other files)
*******************************************************************************/
/*******************************************************************************
Private global variables and functions
*******************************************************************************/
static uint16_t g_usb1_function_mbw[(USB_FUNCTION_MAX_PIPE_NO + 1)];
static void usb1_function_start_receive_trns_c(uint16_t pipe, uint32_t size, uint8_t *data);
static void usb1_function_start_receive_trns_d0(uint16_t pipe, uint32_t size, uint8_t *data);
static void usb1_function_start_receive_trns_d1(uint16_t pipe, uint32_t size, uint8_t *data);
static void usb1_function_start_receive_dma_d0(uint16_t pipe, uint32_t size, uint8_t *data);
static void usb1_function_start_receive_dma_d1(uint16_t pipe, uint32_t size, uint8_t *data);
static uint16_t usb1_function_read_dma_d0(uint16_t pipe);
static uint16_t usb1_function_read_dma_d1(uint16_t pipe);
static uint16_t usb1_function_write_dma_d0(uint16_t pipe);
static uint16_t usb1_function_write_dma_d1(uint16_t pipe);
static void usb1_function_read_c_fifo(uint16_t pipe, uint16_t count);
static void usb1_function_write_c_fifo(uint16_t Pipe, uint16_t count);
static void usb1_function_read_d0_fifo(uint16_t pipe, uint16_t count);
static void usb1_function_write_d0_fifo(uint16_t pipe, uint16_t count);
static void usb1_function_read_d1_fifo(uint16_t pipe, uint16_t count);
static void usb1_function_write_d1_fifo(uint16_t pipe, uint16_t count);
static void usb1_function_clear_transaction_counter(uint16_t pipe);
static void usb1_function_set_transaction_counter(uint16_t pipe, uint32_t count);
static uint32_t usb1_function_com_get_dmasize(uint32_t trncount, uint32_t dtptr);
static uint16_t usb1_function_set_dfacc_d0(uint16_t mbw, uint32_t count);
static uint16_t usb1_function_set_dfacc_d1(uint16_t mbw, uint32_t count);
/*******************************************************************************
* Function Name: usb1_function_start_send_transfer
* Description : Starts the USB data communication using pipe specified by the argument.
* Arguments : uint16_t pipe ; Pipe Number
* : uint32_t size ; Data Size
* : uint8_t *data ; Data Address
* Return Value : DEVDRV_USBF_WRITEEND ; Write end
* : DEVDRV_USBF_WRITESHRT ; short data
* : DEVDRV_USBF_WRITING ; Continue of data write
* : DEVDRV_USBF_WRITEDMA ; Write DMA
* : DEVDRV_USBF_FIFOERROR ; FIFO status
*******************************************************************************/
uint16_t usb1_function_start_send_transfer (uint16_t pipe, uint32_t size, uint8_t * data)
{
uint16_t status;
uint16_t usefifo;
uint16_t mbw;
g_usb1_function_data_count[pipe] = size;
g_usb1_function_data_pointer[pipe] = (uint8_t *)data;
g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_WAIT;
usb1_function_clear_bemp_sts(pipe);
usb1_function_clear_brdy_sts(pipe);
usb1_function_clear_nrdy_sts(pipe);
mbw = usb1_function_get_mbw(size, (uint32_t)data);
usefifo = (uint16_t)(g_usb1_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE);
switch (usefifo)
{
case USB_FUNCTION_D0FIFO_USE:
case USB_FUNCTION_D0FIFO_DMA:
usefifo = USB_FUNCTION_D0USE;
break;
case USB_FUNCTION_D1FIFO_USE:
case USB_FUNCTION_D1FIFO_DMA:
usefifo = USB_FUNCTION_D1USE;
break;
default:
usefifo = USB_FUNCTION_CUSE;
break;
};
usb1_function_set_curpipe(USB_FUNCTION_PIPE0, usefifo, DEVDRV_USBF_NO, mbw);
usb1_function_clear_transaction_counter(pipe);
usb1_function_aclrm(pipe);
status = usb1_function_write_buffer(pipe);
if (status != DEVDRV_USBF_FIFOERROR)
{
usb1_function_set_pid_buf(pipe);
}
return status;
}
/*******************************************************************************
* Function Name: usb1_function_write_buffer
* Description : Writes data in the buffer allocated in the pipe specified by
* : the argument. The FIFO for using is set in the pipe definition table.
* Arguments : uint16_t pipe ; Pipe Number
* Return Value : DEVDRV_USBF_WRITEEND ; Write end
* : DEVDRV_USBF_WRITESHRT ; short data
* : DEVDRV_USBF_WRITING ; Continue of data write
* : DEVDRV_USBF_WRITEDMA ; Write DMA
* : DEVDRV_USBF_FIFOERROR ; FIFO status
*******************************************************************************/
uint16_t usb1_function_write_buffer (uint16_t pipe)
{
uint16_t status;
uint16_t usefifo;
g_usb1_function_PipeIgnore[pipe] = 0;
usefifo = (uint16_t)(g_usb1_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE);
switch (usefifo)
{
case USB_FUNCTION_D0FIFO_USE:
status = usb1_function_write_buffer_d0(pipe);
break;
case USB_FUNCTION_D1FIFO_USE:
status = usb1_function_write_buffer_d1(pipe);
break;
case USB_FUNCTION_D0FIFO_DMA:
status = usb1_function_write_dma_d0(pipe);
break;
case USB_FUNCTION_D1FIFO_DMA:
status = usb1_function_write_dma_d1(pipe);
break;
default:
status = usb1_function_write_buffer_c(pipe);
break;
};
switch (status)
{
case DEVDRV_USBF_WRITING: /* Continue of data write */
usb1_function_enable_nrdy_int(pipe); /* Error (NORES or STALL) */
usb1_function_enable_brdy_int(pipe); /* Enable Ready Interrupt */
break;
case DEVDRV_USBF_WRITEEND: /* End of data write */
case DEVDRV_USBF_WRITESHRT: /* End of data write */
usb1_function_disable_brdy_int(pipe); /* Disable Ready Interrupt */
usb1_function_clear_nrdy_sts(pipe);
usb1_function_enable_nrdy_int(pipe); /* Error (NORES or STALL) */
/* for last transfer */
usb1_function_enable_bemp_int(pipe); /* Enable Empty Interrupt */
break;
case DEVDRV_USBF_WRITEDMA: /* DMA write */
usb1_function_clear_nrdy_sts(pipe);
usb1_function_enable_nrdy_int(pipe); /* Error (NORES or STALL) */
break;
case DEVDRV_USBF_FIFOERROR: /* FIFO access status */
default:
usb1_function_disable_brdy_int(pipe); /* Disable Ready Interrupt */
usb1_function_disable_bemp_int(pipe); /* Disable Empty Interrupt */
g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_FIFOERROR;
break;
}
return status; /* End or Err or Continue */
}
/*******************************************************************************
* Function Name: usb1_function_write_buffer_c
* Description : Writes data in the buffer allocated in the pipe specified in
* : the argument. Writes data by CPU transfer using CFIFO.
* Arguments : uint16_t pipe ; Pipe Number
* Return Value : DEVDRV_USBF_WRITEEND ; Write end
* : DEVDRV_USBF_WRITESHRT ; short data
* : DEVDRV_USBF_WRITING ; Continue of data write
* : DEVDRV_USBF_WRITEDMA ; Write DMA
* : DEVDRV_USBF_FIFOERROR ; FIFO status
*******************************************************************************/
uint16_t usb1_function_write_buffer_c (uint16_t pipe)
{
uint32_t count;
uint16_t size;
uint16_t buffer;
uint16_t mxps;
uint16_t status;
uint16_t mbw;
if (g_usb1_function_CtrZeroLengthFlag == 1)
{
g_usb1_function_CtrZeroLengthFlag = 0; /* Zero Length Packet Flag CLR */
return DEVDRV_USBF_WRITEEND;
}
mbw = usb1_function_get_mbw(g_usb1_function_data_count[pipe], (uint32_t)g_usb1_function_data_pointer[pipe]);
if (pipe == USB_FUNCTION_PIPE0)
{
buffer = usb1_function_change_fifo_port(pipe, USB_FUNCTION_CUSE, USB_FUNCTION_CFIFO_WRITE, mbw);
}
else
{
buffer = usb1_function_change_fifo_port(pipe, USB_FUNCTION_CUSE, DEVDRV_USBF_NO, mbw);
}
if (buffer == DEVDRV_USBF_FIFOERROR) /* FIFO access status */
{
return DEVDRV_USBF_FIFOERROR;
}
size = usb1_function_get_buf_size(pipe); /* Data buffer size */
mxps = usb1_function_get_mxps(pipe); /* Max Packet Size */
if (g_usb1_function_data_count[pipe] <= (uint32_t)size)
{
status = DEVDRV_USBF_WRITEEND; /* write continues */
count = g_usb1_function_data_count[pipe];
if (count == 0)
{
status = DEVDRV_USBF_WRITESHRT; /* Null Packet is end of write */
}
if ((count % mxps) != 0)
{
status = DEVDRV_USBF_WRITESHRT; /* Short Packet is end of write */
}
}
else
{
status = DEVDRV_USBF_WRITING; /* write continues */
count = (uint32_t)size;
}
usb1_function_write_c_fifo(pipe, (uint16_t)count);
if (g_usb1_function_data_count[pipe] < (uint32_t)size)
{
g_usb1_function_data_count[pipe] = 0;
if (RZA_IO_RegRead_16(&USB201.CFIFOCTR, USB_CFIFOCTR_BVAL_SHIFT, USB_CFIFOCTR_BVAL) == 0)
{
USB201.CFIFOCTR = USB_FUNCTION_BITBVAL; /* Short Packet */
g_usb1_function_CtrZeroLengthFlag = 1; /* Zero Length Packet Flag */
}
}
else
{
g_usb1_function_data_count[pipe] -= count;
}
return status; /* End or Err or Continue */
}
/*******************************************************************************
* Function Name: usb1_function_write_buffer_d0
* Description : Writes data in the buffer allocated in the pipe specified in the argument.
* : Writes data by CPU transfer using D0FIFO.
* Arguments : uint16_t pipe ; Pipe Number
* Return Value : DEVDRV_USBF_WRITEEND ; Write end
* : DEVDRV_USBF_WRITESHRT ; short data
* : DEVDRV_USBF_WRITING ; Continue of data write
* : DEVDRV_USBF_WRITEDMA ; Write DMA
* : DEVDRV_USBF_FIFOERROR ; FIFO status
*******************************************************************************/
uint16_t usb1_function_write_buffer_d0 (uint16_t pipe)
{
uint32_t count;
uint16_t size;
uint16_t buffer;
uint16_t mxps;
uint16_t status;
uint16_t mbw;
mbw = usb1_function_get_mbw(g_usb1_function_data_count[pipe], (uint32_t)g_usb1_function_data_pointer[pipe]);
buffer = usb1_function_change_fifo_port(pipe, USB_FUNCTION_D0USE, DEVDRV_USBF_NO, mbw);
if (buffer == DEVDRV_USBF_FIFOERROR) /* FIFO access status */
{
return DEVDRV_USBF_FIFOERROR;
}
size = usb1_function_get_buf_size(pipe); /* Data buffer size */
mxps = usb1_function_get_mxps(pipe); /* Max Packet Size */
if (g_usb1_function_data_count[pipe] <= (uint32_t)size)
{
status = DEVDRV_USBF_WRITEEND; /* write continues */
count = g_usb1_function_data_count[pipe];
if (count == 0)
{
status = DEVDRV_USBF_WRITESHRT; /* Null Packet is end of write */
}
if ((count % mxps) != 0)
{
status = DEVDRV_USBF_WRITESHRT; /* Short Packet is end of write */
}
}
else
{
status = DEVDRV_USBF_WRITING; /* write continues */
count = (uint32_t)size;
}
usb1_function_write_d0_fifo(pipe, (uint16_t)count);
if (g_usb1_function_data_count[pipe] < (uint32_t)size)
{
g_usb1_function_data_count[pipe] = 0;
if (RZA_IO_RegRead_16(&USB201.D0FIFOCTR, USB_DnFIFOCTR_BVAL_SHIFT, USB_DnFIFOCTR_BVAL) == 0)
{
USB201.D0FIFOCTR = USB_FUNCTION_BITBVAL; /* Short Packet */
}
}
else
{
g_usb1_function_data_count[pipe] -= count;
}
return status; /* End or Err or Continue */
}
/*******************************************************************************
* Function Name: usb1_function_write_buffer_d1
* Description : Writes data in the buffer allocated in the pipe specified in the argument.
* : Writes data by CPU transfer using D1FIFO.
* Arguments : uint16_t pipe ; Pipe Number
* Return Value : DEVDRV_USBF_WRITEEND ; Write end
* : DEVDRV_USBF_WRITESHRT ; short data
* : DEVDRV_USBF_WRITING ; Continue of data write
* : DEVDRV_USBF_WRITEDMA ; Write DMA
* : DEVDRV_USBF_FIFOERROR ; FIFO status
*******************************************************************************/
uint16_t usb1_function_write_buffer_d1 (uint16_t pipe)
{
uint32_t count;
uint16_t size;
uint16_t buffer;
uint16_t mxps;
uint16_t status;
uint16_t mbw;
mbw = usb1_function_get_mbw(g_usb1_function_data_count[pipe], (uint32_t)g_usb1_function_data_pointer[pipe]);
buffer = usb1_function_change_fifo_port(pipe, USB_FUNCTION_D1USE, DEVDRV_USBF_NO, mbw);
if (buffer == DEVDRV_USBF_FIFOERROR) /* FIFO access status */
{
return DEVDRV_USBF_FIFOERROR;
}
size = usb1_function_get_buf_size(pipe); /* Data buffer size */
mxps = usb1_function_get_mxps(pipe); /* Max Packet Size */
if (g_usb1_function_data_count[pipe] <= (uint32_t)size)
{
status = DEVDRV_USBF_WRITEEND; /* write continues */
count = g_usb1_function_data_count[pipe];
if (count == 0)
{
status = DEVDRV_USBF_WRITESHRT; /* Null Packet is end of write */
}
if ((count % mxps) != 0)
{
status = DEVDRV_USBF_WRITESHRT; /* Short Packet is end of write */
}
}
else
{
status = DEVDRV_USBF_WRITING; /* write continues */
count = (uint32_t)size;
}
usb1_function_write_d1_fifo(pipe, (uint16_t)count);
if (g_usb1_function_data_count[pipe] < (uint32_t)size)
{
g_usb1_function_data_count[pipe] = 0;
if (RZA_IO_RegRead_16(&USB201.D1FIFOCTR, USB_DnFIFOCTR_BVAL_SHIFT, USB_DnFIFOCTR_BVAL) == 0)
{
USB201.D1FIFOCTR = USB_FUNCTION_BITBVAL; /* Short Packet */
}
}
else
{
g_usb1_function_data_count[pipe] -= count;
}
return status; /* End or Err or Continue */
}
/*******************************************************************************
* Function Name: usb1_function_write_dma_d0
* Description : Writes data in the buffer allocated in the pipe specified in the argument.
* : Writes data by DMA transfer using D0FIFO.
* : The DMA-ch for using is specified by Userdef_USB_usb1_function_start_dma().
* Arguments : uint16_t pipe ; Pipe Number
* Return Value : DEVDRV_USBF_WRITEEND : Write end
* : DEVDRV_USBF_WRITESHRT : short data
* : DEVDRV_USBF_WRITING : Continue of data write
* : DEVDRV_USBF_WRITEDMA : Write DMA
* : DEVDRV_USBF_FIFOERROR : FIFO status
*******************************************************************************/
static uint16_t usb1_function_write_dma_d0 (uint16_t pipe)
{
uint32_t count;
uint16_t size;
uint16_t buffer;
uint16_t status;
uint16_t mbw;
uint16_t dfacc = 0;
mbw = usb1_function_get_mbw(g_usb1_function_data_count[pipe], (uint32_t)g_usb1_function_data_pointer[pipe]);
buffer = usb1_function_change_fifo_port(pipe, USB_FUNCTION_D0DMA, DEVDRV_USBF_NO, mbw);
if (buffer == DEVDRV_USBF_FIFOERROR) /* FIFO access status */
{
return DEVDRV_USBF_FIFOERROR;
}
size = usb1_function_get_buf_size(pipe); /* Data buffer size */
count = g_usb1_function_data_count[pipe];
if (count != 0)
{
g_usb1_function_DmaPipe[USB_FUNCTION_D0FIFO] = pipe;
if ((count % size) != 0)
{
g_usb1_function_DmaBval[USB_FUNCTION_D0FIFO] = 1;
}
else
{
g_usb1_function_DmaBval[USB_FUNCTION_D0FIFO] = 0;
}
dfacc = usb1_function_set_dfacc_d0(mbw, count);
if (mbw == USB_FUNCTION_BITMBW_32)
{
g_usb1_function_DmaInfo[USB_FUNCTION_D0FIFO].size = 2; /* 32bit transfer */
}
else if (mbw == USB_FUNCTION_BITMBW_16)
{
g_usb1_function_DmaInfo[USB_FUNCTION_D0FIFO].size = 1; /* 16bit transfer */
}
else
{
g_usb1_function_DmaInfo[USB_FUNCTION_D0FIFO].size = 0; /* 8bit transfer */
}
g_usb1_function_DmaInfo[USB_FUNCTION_D0FIFO].fifo = USB_FUNCTION_D0FIFO_DMA;
g_usb1_function_DmaInfo[USB_FUNCTION_D0FIFO].dir = USB_FUNCTION_BUF2FIFO;
g_usb1_function_DmaInfo[USB_FUNCTION_D0FIFO].buffer = (uint32_t)g_usb1_function_data_pointer[pipe];
g_usb1_function_DmaInfo[USB_FUNCTION_D0FIFO].bytes = count;
Userdef_USB_usb1_function_start_dma(&g_usb1_function_DmaInfo[USB_FUNCTION_D0FIFO], dfacc);
usb1_function_set_curpipe2(pipe, USB_FUNCTION_D0DMA, DEVDRV_USBF_NO, mbw, dfacc);
RZA_IO_RegWrite_16(&USB201.D0FIFOSEL, 1, USB_DnFIFOSEL_DREQE_SHIFT, USB_DnFIFOSEL_DREQE);
g_usb1_function_data_count[pipe] = 0;
g_usb1_function_data_pointer[pipe] += count;
status = DEVDRV_USBF_WRITEDMA; /* DMA write */
}
else
{
if (RZA_IO_RegRead_16(&USB201.D0FIFOCTR, USB_DnFIFOCTR_BVAL_SHIFT, USB_DnFIFOCTR_BVAL) == 0)
{
RZA_IO_RegWrite_16(&USB201.D0FIFOCTR, 1, USB_DnFIFOCTR_BVAL_SHIFT, USB_DnFIFOCTR_BVAL); /* Short Packet */
}
status = DEVDRV_USBF_WRITESHRT; /* Short Packet is end of write */
}
return status; /* End or Err or Continue */
}
/*******************************************************************************
* Function Name: usb1_function_write_dma_d1
* Description : Writes data in the buffer allocated in the pipe specified in the argument.
* : Writes data by DMA transfer using D1FIFO.
* : The DMA-ch for using is specified by Userdef_USB_usb1_function_start_dma().
* Arguments : uint16_t pipe ; Pipe Number
* Return Value : DEVDRV_USBF_WRITEEND : Write end
* : DEVDRV_USBF_WRITESHRT : short data
* : DEVDRV_USBF_WRITING : Continue of data write
* : DEVDRV_USBF_WRITEDMA : Write DMA
* : DEVDRV_USBF_FIFOERROR : FIFO status
*******************************************************************************/
static uint16_t usb1_function_write_dma_d1 (uint16_t pipe)
{
uint32_t count;
uint16_t size;
uint16_t buffer;
uint16_t status;
uint16_t mbw;
uint16_t dfacc=0;
mbw = usb1_function_get_mbw(g_usb1_function_data_count[pipe], (uint32_t)g_usb1_function_data_pointer[pipe]);
buffer = usb1_function_change_fifo_port(pipe, USB_FUNCTION_D1DMA, DEVDRV_USBF_NO, mbw);
if (buffer == DEVDRV_USBF_FIFOERROR) /* FIFO access status */
{
return DEVDRV_USBF_FIFOERROR;
}
size = usb1_function_get_buf_size(pipe); /* Data buffer size */
count = g_usb1_function_data_count[pipe];
if (count != 0)
{
g_usb1_function_DmaPipe[USB_FUNCTION_D1FIFO] = pipe;
if ((count % size) != 0)
{
g_usb1_function_DmaBval[USB_FUNCTION_D1FIFO] = 1;
}
else
{
g_usb1_function_DmaBval[USB_FUNCTION_D1FIFO] = 0;
}
dfacc = usb1_function_set_dfacc_d1(mbw, count);
if (mbw == USB_FUNCTION_BITMBW_32)
{
g_usb1_function_DmaInfo[USB_FUNCTION_D1FIFO].size = 2; /* 32bit transfer */
}
else if (mbw == USB_FUNCTION_BITMBW_16)
{
g_usb1_function_DmaInfo[USB_FUNCTION_D1FIFO].size = 1; /* 16bit transfer */
}
else
{
g_usb1_function_DmaInfo[USB_FUNCTION_D1FIFO].size = 0; /* 8bit transfer */
}
g_usb1_function_DmaInfo[USB_FUNCTION_D1FIFO].fifo = USB_FUNCTION_D1FIFO_DMA;
g_usb1_function_DmaInfo[USB_FUNCTION_D1FIFO].dir = USB_FUNCTION_BUF2FIFO;
g_usb1_function_DmaInfo[USB_FUNCTION_D1FIFO].buffer = (uint32_t)g_usb1_function_data_pointer[pipe];
g_usb1_function_DmaInfo[USB_FUNCTION_D1FIFO].bytes = count;
Userdef_USB_usb1_function_start_dma(&g_usb1_function_DmaInfo[USB_FUNCTION_D1FIFO], dfacc);
usb1_function_set_curpipe2(pipe, USB_FUNCTION_D1DMA, DEVDRV_USBF_NO, mbw, dfacc);
RZA_IO_RegWrite_16(&USB201.D1FIFOSEL, 1, USB_DnFIFOSEL_DREQE_SHIFT, USB_DnFIFOSEL_DREQE);
g_usb1_function_data_count[pipe] = 0;
g_usb1_function_data_pointer[pipe] += count;
status = DEVDRV_USBF_WRITEDMA; /* DMA write */
}
else
{
if (RZA_IO_RegRead_16(&USB201.D1FIFOCTR, USB_DnFIFOCTR_BVAL_SHIFT, USB_DnFIFOCTR_BVAL) == 0)
{
RZA_IO_RegWrite_16(&USB201.D1FIFOCTR, 1, USB_DnFIFOCTR_BVAL_SHIFT, USB_DnFIFOCTR_BVAL); /* Short Packet */
}
status = DEVDRV_USBF_WRITESHRT; /* Short Packet is end of write */
}
return status; /* End or Err or Continue */
}
/*******************************************************************************
* Function Name: usb1_function_start_receive_transfer
* Description : Starts USB data reception using the pipe specified in the argument.
* : The FIFO for using is set in the pipe definition table.
* Arguments : uint16_t pipe ; Pipe Number
* : uint32_t size ; Data Size
* : uint8_t *data ; Data Address
* Return Value : none
*******************************************************************************/
void usb1_function_start_receive_transfer (uint16_t pipe, uint32_t size, uint8_t * data)
{
uint16_t usefifo;
usb1_function_clear_bemp_sts(pipe);
usb1_function_clear_brdy_sts(pipe);
usb1_function_clear_nrdy_sts(pipe);
usefifo = (uint16_t)(g_usb1_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE);
switch (usefifo)
{
case USB_FUNCTION_D0FIFO_USE:
usb1_function_start_receive_trns_d0(pipe, size, data);
break;
case USB_FUNCTION_D1FIFO_USE:
usb1_function_start_receive_trns_d1(pipe, size, data);
break;
case USB_FUNCTION_D0FIFO_DMA:
usb1_function_start_receive_dma_d0(pipe, size, data);
break;
case USB_FUNCTION_D1FIFO_DMA:
usb1_function_start_receive_dma_d1(pipe, size, data);
break;
default:
usb1_function_start_receive_trns_c(pipe, size, data);
break;
}
}
/*******************************************************************************
* Function Name: usb1_function_start_receive_trns_c
* Description : Reads data from the buffer allocated in the pipe specified in the argument.
* : Reads data by CPU transfer using CFIFO.
* : When storing data in the buffer allocated in the pipe specified in the
* : argument, BRDY interrupt is generated to read data
* : in the interrupt.
* Arguments : uint16_t pipe ; Pipe Number
* : uint32_t size ; Data Size
* : uint8_t *data ; Data Address
* Return Value : none
*******************************************************************************/
static void usb1_function_start_receive_trns_c (uint16_t pipe, uint32_t size, uint8_t * data)
{
uint16_t mbw;
usb1_function_set_pid_nak(pipe);
g_usb1_function_data_count[pipe] = size;
g_usb1_function_data_pointer[pipe] = (uint8_t *)data;
g_usb1_function_PipeIgnore[pipe] = 0;
g_usb1_function_PipeDataSize[pipe] = size;
g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_WAIT;
mbw = usb1_function_get_mbw(size, (uint32_t)data);
usb1_function_set_curpipe(USB_FUNCTION_PIPE0, USB_FUNCTION_CUSE, USB_FUNCTION_CFIFO_READ, mbw);
USB201.CFIFOCTR = USB_FUNCTION_BITBCLR;
usb1_function_set_transaction_counter(pipe, size);
usb1_function_aclrm(pipe);
usb1_function_enable_nrdy_int(pipe);
usb1_function_enable_brdy_int(pipe);
usb1_function_set_pid_buf(pipe);
}
/*******************************************************************************
* Function Name: usb1_function_start_receive_trns_d0
* Description : Reads data from the buffer allocated in the pipe specified in the argument.
* : Reads data by CPU transfer using D0FIFO.
* : This function does not read data from the buffer.
* : When storing data in the buffer allocated in the pipe specified
* : in the argument, BRDY interrupt is generated to read data in the
* : interrupt.
* Arguments : uint16_t pipe ; Pipe Number
* : uint32_t size ; Data Size
* : uint8_t *data ; Data Address
* Return Value : none
*******************************************************************************/
static void usb1_function_start_receive_trns_d0 (uint16_t pipe, uint32_t size, uint8_t * data)
{
uint16_t mbw;
usb1_function_set_pid_nak(pipe);
g_usb1_function_data_count[pipe] = size;
g_usb1_function_data_pointer[pipe] = (uint8_t *)data;
g_usb1_function_PipeIgnore[pipe] = 0;
g_usb1_function_PipeDataSize[pipe] = size;
g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_WAIT;
mbw = usb1_function_get_mbw(size, (uint32_t)data);
usb1_function_set_curpipe(USB_FUNCTION_PIPE0, USB_FUNCTION_D0USE, DEVDRV_USBF_NO, mbw);
usb1_function_set_transaction_counter(pipe, size);
usb1_function_aclrm(pipe);
usb1_function_enable_nrdy_int(pipe);
usb1_function_enable_brdy_int(pipe);
usb1_function_set_pid_buf(pipe);
}
/*******************************************************************************
* Function Name: usb1_function_start_receive_trns_d1
* Description : Reads data from the buffer allocated in the pipe specified in the argument.
* : Reads data by CPU transfer using D1FIFO.
* : This function does not read data from the buffer.
* : When storing data in the buffer allocated in the pipe specified
* : in the argument, BRDY interrupt is generated to read data.
* Arguments : uint16_t pipe ; Pipe Number
* : uint32_t size ; Data Size
* : uint8_t *data ; Data Address
* Return Value : none
*******************************************************************************/
static void usb1_function_start_receive_trns_d1 (uint16_t pipe, uint32_t size, uint8_t * data)
{
uint16_t mbw;
usb1_function_set_pid_nak(pipe);
g_usb1_function_data_count[pipe] = size;
g_usb1_function_data_pointer[pipe] = (uint8_t *)data;
g_usb1_function_PipeIgnore[pipe] = 0;
g_usb1_function_PipeDataSize[pipe] = size;
g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_WAIT;
mbw = usb1_function_get_mbw(size, (uint32_t)data);
usb1_function_set_curpipe(USB_FUNCTION_PIPE0, USB_FUNCTION_D1USE, DEVDRV_USBF_NO, mbw);
usb1_function_set_transaction_counter(pipe, size);
usb1_function_aclrm(pipe);
usb1_function_enable_nrdy_int(pipe);
usb1_function_enable_brdy_int(pipe);
usb1_function_set_pid_buf(pipe);
}
/*******************************************************************************
* Function Name: usb1_function_start_receive_dma_d0
* Description : Reads data from the buffer allocated in the pipe specified in the argument.
* : Reads data by DMA transfer using D0FIFO.
* : This function does not read data from the buffer.
* : When storing data in the buffer allocated in the pipe specified
* : in the argument, delivered read request to DMAC to read data from
* : the buffer by DMAC.
* Arguments : uint16_t pipe ; Pipe Number
* : uint32_t size ; Data Size
* : uint8_t *data ; Data Address
* Return Value : none
*******************************************************************************/
static void usb1_function_start_receive_dma_d0 (uint16_t pipe, uint32_t size, uint8_t * data)
{
uint16_t mbw;
usb1_function_set_pid_nak(pipe);
g_usb1_function_data_count[pipe] = size;
g_usb1_function_data_pointer[pipe] = (uint8_t *)data;
g_usb1_function_PipeIgnore[pipe] = 0;
g_usb1_function_PipeDataSize[pipe] = 0;
g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_WAIT;
mbw = usb1_function_get_mbw(size, (uint32_t)data);
usb1_function_set_curpipe(USB_FUNCTION_PIPE0, USB_FUNCTION_D0USE, DEVDRV_USBF_NO, mbw);
usb1_function_set_transaction_counter(pipe, size);
usb1_function_aclrm(pipe);
if (RZA_IO_RegRead_16(&g_usb1_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 1)
{
usb1_function_read_dma(pipe);
usb1_function_enable_nrdy_int(pipe);
usb1_function_enable_brdy_int(pipe);
}
else
{
usb1_function_enable_nrdy_int(pipe);
usb1_function_enable_brdy_int(pipe);
}
usb1_function_set_pid_buf(pipe);
}
/*******************************************************************************
* Function Name: usb1_function_start_receive_dma_d1
* Description : Read data from the buffer allocated in the pipe specified in the argument.
* : Reads data by DMA transfer using D0FIFO.
* : This function does not read data from the buffer.
* : When storing data in the buffer allocated in the pipe specified
* : in the argument, delivered read request to DMAC to read data from
* : the buffer by DMAC.
* Arguments : uint16_t pipe ; Pipe Number
* : uint32_t size ; Data Size
* : uint8_t *data ; Data Address
* Return Value : none
*******************************************************************************/
static void usb1_function_start_receive_dma_d1 (uint16_t pipe, uint32_t size, uint8_t * data)
{
uint16_t mbw;
usb1_function_set_pid_nak(pipe);
g_usb1_function_data_count[pipe] = size;
g_usb1_function_data_pointer[pipe] = (uint8_t *)data;
g_usb1_function_PipeIgnore[pipe] = 0;
g_usb1_function_PipeDataSize[pipe] = 0;
g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_WAIT;
mbw = usb1_function_get_mbw(size, (uint32_t)data);
usb1_function_set_curpipe(USB_FUNCTION_PIPE0, USB_FUNCTION_D1USE, DEVDRV_USBF_NO, mbw);
usb1_function_set_transaction_counter(pipe, size);
usb1_function_aclrm(pipe);
if (RZA_IO_RegRead_16(&g_usb1_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 1)
{
usb1_function_read_dma(pipe);
usb1_function_enable_nrdy_int(pipe);
usb1_function_enable_brdy_int(pipe);
}
else
{
usb1_function_enable_nrdy_int(pipe);
usb1_function_enable_brdy_int(pipe);
}
usb1_function_set_pid_buf(pipe);
}
/*******************************************************************************
* Function Name: usb1_function_read_buffer
* Description : Reads data from the buffer allocated in the pipe specified
* : in the argument.
* : Uses FIF0 set in the pipe definition table.
* Arguments : uint16_t pipe ; Pipe Number
* Return Value : USB_FUNCTION_READEND ; Read end
* : USB_FUNCTION_READSHRT ; short data
* : USB_FUNCTION_READING ; Continue of data read
* : USB_FUNCTION_READOVER ; buffer over
* : DEVDRV_USBF_FIFOERROR ; FIFO status
*******************************************************************************/
uint16_t usb1_function_read_buffer (uint16_t pipe)
{
uint16_t status;
g_usb1_function_PipeIgnore[pipe] = 0;
if ((g_usb1_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE) == USB_FUNCTION_D0FIFO_USE)
{
status = usb1_function_read_buffer_d0(pipe);
}
else if ((g_usb1_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE) == USB_FUNCTION_D1FIFO_USE)
{
status = usb1_function_read_buffer_d1(pipe);
}
else
{
status = usb1_function_read_buffer_c(pipe);
}
switch (status)
{
case USB_FUNCTION_READING: /* Continue of data read */
break;
case USB_FUNCTION_READEND: /* End of data read */
case USB_FUNCTION_READSHRT: /* End of data read */
usb1_function_disable_brdy_int(pipe);
g_usb1_function_PipeDataSize[pipe] -= g_usb1_function_data_count[pipe];
g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE;
break;
case USB_FUNCTION_READOVER: /* buffer over */
if ((g_usb1_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE) == USB_FUNCTION_D0FIFO_USE)
{
USB201.D0FIFOCTR = USB_FUNCTION_BITBCLR; /* Clear BCLR */
}
else if ((g_usb1_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE) == USB_FUNCTION_D1FIFO_USE)
{
USB201.D1FIFOCTR = USB_FUNCTION_BITBCLR; /* Clear BCLR */
}
else
{
USB201.CFIFOCTR = USB_FUNCTION_BITBCLR; /* Clear BCLR */
}
usb1_function_disable_brdy_int(pipe); /* Disable Ready Interrupt */
g_usb1_function_PipeDataSize[pipe] -= g_usb1_function_data_count[pipe];
g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_FIFOERROR;
break;
case DEVDRV_USBF_FIFOERROR: /* FIFO access status */
default:
usb1_function_disable_brdy_int(pipe); /* Disable Ready Interrupt */
g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_FIFOERROR;
break;
}
return status; /* End or Err or Continue */
}
/*******************************************************************************
* Function Name: usb1_function_read_buffer_c
* Description : Reads data from the buffer allocated in the pipe specified in the argument.
* : Reads data by CPU transfer using CFIFO.
* Arguments : uint16_t pipe ; Pipe Number
* Return Value : USB_FUNCTION_READEND ; Read end
* : USB_FUNCTION_READSHRT ; short data
* : USB_FUNCTION_READING ; Continue of data read
* : USB_FUNCTION_READOVER ; buffer over
* : DEVDRV_USBF_FIFOERROR ; FIFO status
*******************************************************************************/
uint16_t usb1_function_read_buffer_c (uint16_t pipe)
{
uint32_t count;
uint32_t dtln;
uint16_t buffer;
uint16_t mxps;
uint16_t status;
uint16_t mbw;
mbw = usb1_function_get_mbw(g_usb1_function_data_count[pipe], (uint32_t)g_usb1_function_data_pointer[pipe]);
buffer = usb1_function_change_fifo_port(pipe, USB_FUNCTION_CUSE, DEVDRV_USBF_NO, mbw);
if (buffer == DEVDRV_USBF_FIFOERROR) /* FIFO access status */
{
return DEVDRV_USBF_FIFOERROR;
}
dtln = (uint32_t)(buffer & USB_FUNCTION_BITDTLN);
mxps = usb1_function_get_mxps(pipe); /* Max Packet Size */
if (g_usb1_function_data_count[pipe] < dtln) /* Buffer Over ? */
{
status = USB_FUNCTION_READOVER;
usb1_function_set_pid_nak(pipe); /* Set NAK */
count = g_usb1_function_data_count[pipe];
}
else if (g_usb1_function_data_count[pipe] == dtln) /* just Receive Size */
{
status = USB_FUNCTION_READEND;
usb1_function_set_pid_nak(pipe); /* Set NAK */
count = dtln;
if (count == 0)
{
status = USB_FUNCTION_READSHRT; /* Null Packet receive */
}
if ((count % mxps) != 0)
{
status = USB_FUNCTION_READSHRT; /* Short Packet receive */
}
}
else /* continue Receive data */
{
status = USB_FUNCTION_READING;
count = dtln;
if (count == 0)
{
status = USB_FUNCTION_READSHRT; /* Null Packet receive */
usb1_function_set_pid_nak(pipe); /* Set NAK */
}
if ((count % mxps) != 0)
{
status = USB_FUNCTION_READSHRT; /* Short Packet receive */
usb1_function_set_pid_nak(pipe); /* Set NAK */
}
}
if (count == 0) /* 0 length packet */
{
USB201.CFIFOCTR = USB_FUNCTION_BITBCLR; /* Clear BCLR */
}
else
{
usb1_function_read_c_fifo(pipe, (uint16_t)count);
}
g_usb1_function_data_count[pipe] -= count;
return status; /* End or Err or Continue */
}
/*******************************************************************************
* Function Name: usb1_function_read_buffer_d0
* Description : Reads data from the buffer allocated in the pipe specified in
* : the argument.
* : Reads data by CPU transfer using D0FIFO.
* Arguments : uint16_t pipe ; Pipe Number
* Return Value : USB_FUNCTION_READEND ; Read end
* : USB_FUNCTION_READSHRT ; short data
* : USB_FUNCTION_READING ; Continue of data read
* : USB_FUNCTION_READOVER ; buffer over
* : DEVDRV_USBF_FIFOERROR ; FIFO status
*******************************************************************************/
uint16_t usb1_function_read_buffer_d0 (uint16_t pipe)
{
uint32_t count;
uint32_t dtln;
uint16_t buffer;
uint16_t mxps;
uint16_t status;
uint16_t mbw;
uint16_t pipebuf_size;
mbw = usb1_function_get_mbw(g_usb1_function_data_count[pipe], (uint32_t)g_usb1_function_data_pointer[pipe]);
buffer = usb1_function_change_fifo_port(pipe, USB_FUNCTION_D0USE, DEVDRV_USBF_NO, mbw);
if (buffer == DEVDRV_USBF_FIFOERROR) /* FIFO access status */
{
return DEVDRV_USBF_FIFOERROR;
}
dtln = (uint32_t)(buffer & USB_FUNCTION_BITDTLN);
mxps = usb1_function_get_mxps(pipe); /* Max Packet Size */
if (g_usb1_function_data_count[pipe] < dtln) /* Buffer Over ? */
{
status = USB_FUNCTION_READOVER;
usb1_function_set_pid_nak(pipe); /* Set NAK */
count = g_usb1_function_data_count[pipe];
}
else if (g_usb1_function_data_count[pipe] == dtln) /* just Receive Size */
{
status = USB_FUNCTION_READEND;
usb1_function_set_pid_nak(pipe); /* Set NAK */
count = dtln;
if (count == 0)
{
status = USB_FUNCTION_READSHRT; /* Null Packet receive */
}
if ((count % mxps) != 0)
{
status = USB_FUNCTION_READSHRT; /* Short Packet receive */
}
}
else /* continue Receive data */
{
status = USB_FUNCTION_READING;
count = dtln;
if (count == 0)
{
status = USB_FUNCTION_READSHRT; /* Null Packet receive */
usb1_function_set_pid_nak(pipe); /* Set NAK */
}
if ((count % mxps) != 0)
{
status = USB_FUNCTION_READSHRT; /* Short Packet receive */
usb1_function_set_pid_nak(pipe); /* Set NAK */
}
else
{
pipebuf_size = usb1_function_get_buf_size(pipe); /* Data buffer size */
if (count != pipebuf_size)
{
status = USB_FUNCTION_READSHRT; /* Short Packet receive */
usb1_function_set_pid_nak(pipe); /* Set NAK */
}
}
}
if (count == 0) /* 0 length packet */
{
USB201.D0FIFOCTR = USB_FUNCTION_BITBCLR; /* Clear BCLR */
}
else
{
usb1_function_read_d0_fifo(pipe, (uint16_t)count);
}
g_usb1_function_data_count[pipe] -= count;
return status; /* End or Err or Continue */
}
/*******************************************************************************
* Function Name: usb1_function_read_buffer_d1
* Description : Reads data from the buffer allocated in the pipe specified
* : in the argument.
* : Reads data by CPU transfer using D1FIFO.
* Arguments : uint16_t pipe ; Pipe Number
* Return Value : USB_FUNCTION_READEND ; Read end
* : USB_FUNCTION_READSHRT ; short data
* : USB_FUNCTION_READING ; Continue of data read
* : USB_FUNCTION_READOVER ; buffer over
* : DEVDRV_USBF_FIFOERROR ; FIFO status
*******************************************************************************/
uint16_t usb1_function_read_buffer_d1 (uint16_t pipe)
{
uint32_t count;
uint32_t dtln;
uint16_t buffer;
uint16_t mxps;
uint16_t status;
uint16_t mbw;
uint16_t pipebuf_size;
mbw = usb1_function_get_mbw(g_usb1_function_data_count[pipe], (uint32_t)g_usb1_function_data_pointer[pipe]);
buffer = usb1_function_change_fifo_port(pipe, USB_FUNCTION_D1USE, DEVDRV_USBF_NO, mbw);
if (buffer == DEVDRV_USBF_FIFOERROR) /* FIFO access status */
{
return DEVDRV_USBF_FIFOERROR;
}
dtln = (uint32_t)(buffer & USB_FUNCTION_BITDTLN);
mxps = usb1_function_get_mxps(pipe); /* Max Packet Size */
if (g_usb1_function_data_count[pipe] < dtln) /* Buffer Over ? */
{
status = USB_FUNCTION_READOVER;
usb1_function_set_pid_nak(pipe); /* Set NAK */
count = g_usb1_function_data_count[pipe];
}
else if (g_usb1_function_data_count[pipe] == dtln) /* just Receive Size */
{
status = USB_FUNCTION_READEND;
usb1_function_set_pid_nak(pipe); /* Set NAK */
count = dtln;
if (count == 0)
{
status = USB_FUNCTION_READSHRT; /* Null Packet receive */
}
if ((count % mxps) != 0)
{
status = USB_FUNCTION_READSHRT; /* Short Packet receive */
}
}
else /* continue Receive data */
{
status = USB_FUNCTION_READING;
count = dtln;
if (count == 0)
{
status = USB_FUNCTION_READSHRT; /* Null Packet receive */
usb1_function_set_pid_nak(pipe); /* Set NAK */
}
if ((count % mxps) != 0)
{
status = USB_FUNCTION_READSHRT; /* Short Packet receive */
usb1_function_set_pid_nak(pipe); /* Set NAK */
}
else
{
pipebuf_size = usb1_function_get_buf_size(pipe); /* Data buffer size */
if (count != pipebuf_size)
{
status = USB_FUNCTION_READSHRT; /* Short Packet receive */
usb1_function_set_pid_nak(pipe); /* Set NAK */
}
}
}
if (count == 0) /* 0 length packet */
{
USB201.D1FIFOCTR = USB_FUNCTION_BITBCLR; /* Clear BCLR */
}
else
{
usb1_function_read_d1_fifo(pipe, (uint16_t)count);
}
g_usb1_function_data_count[pipe] -= count;
return status; /* End or Err or Continue */
}
/*******************************************************************************
* Function Name: usb1_function_read_dma
* Description : Reads data from the buffer allocated in the pipe specified
* : in the argument.
* : Reads data by DMA transfer using D0FIFO or D1FIFO.
* Arguments : uint16_t pipe ; Pipe Number
* Return Value : USB_FUNCTION_READEND ; Read end
* : USB_FUNCTION_READSHRT ; short data
* : USB_FUNCTION_READING ; Continue of data read
* : USB_FUNCTION_READOVER ; buffer over
* : DEVDRV_USBF_FIFOERROR ; FIFO status
*******************************************************************************/
uint16_t usb1_function_read_dma (uint16_t pipe)
{
uint16_t status;
g_usb1_function_PipeIgnore[pipe] = 0;
if ((g_usb1_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE) == USB_FUNCTION_D0FIFO_DMA)
{
status = usb1_function_read_dma_d0(pipe);
}
else
{
status = usb1_function_read_dma_d1(pipe);
}
switch (status)
{
case USB_FUNCTION_READING: /* Continue of data read */
break;
case USB_FUNCTION_READZERO: /* End of data read */
usb1_function_disable_brdy_int(pipe);
g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE;
break;
case USB_FUNCTION_READEND: /* End of data read */
case USB_FUNCTION_READSHRT: /* End of data read */
usb1_function_disable_brdy_int(pipe);
if (RZA_IO_RegRead_16(&g_usb1_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 1)
{
g_usb1_function_PipeDataSize[pipe] -= g_usb1_function_data_count[pipe];
}
break;
case USB_FUNCTION_READOVER: /* buffer over */
usb1_function_disable_brdy_int(pipe); /* Disable Ready Interrupt */
if (RZA_IO_RegRead_16(&g_usb1_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 1)
{
g_usb1_function_PipeDataSize[pipe] -= g_usb1_function_data_count[pipe];
}
g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_FIFOERROR;
break;
case DEVDRV_USBF_FIFOERROR: /* FIFO access status */
default:
usb1_function_disable_brdy_int(pipe); /* Disable Ready Interrupt */
g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_FIFOERROR;
break;
}
return status; /* End or Err or Continue */
}
/*******************************************************************************
* Function Name: usb1_function_read_dma_d0
* Description : Writes data in the buffer allocated in the pipe specified
* : in the argument.
* : Reads data by DMA transfer using D0FIFO.
* Arguments : uint16_t pipe ; Pipe Number
* Return Value : USB_FUNCTION_READEND ; Read end
* : USB_FUNCTION_READSHRT ; short data
* : USB_FUNCTION_READZERO ; zero data
* : USB_FUNCTION_READING ; Continue of data read
* : USB_FUNCTION_READOVER ; buffer over
* : DEVDRV_USBF_FIFOERROR ; FIFO status
*******************************************************************************/
static uint16_t usb1_function_read_dma_d0 (uint16_t pipe)
{
uint32_t count;
uint32_t dtln;
uint16_t buffer;
uint16_t mxps;
uint16_t status;
uint16_t mbw;
uint16_t dfacc = 0;
uint16_t pipebuf_size;
g_usb1_function_DmaStatus[USB_FUNCTION_D0FIFO] = USB_FUNCTION_DMA_READY;
mbw = usb1_function_get_mbw(g_usb1_function_data_count[pipe], (uint32_t)g_usb1_function_data_pointer[pipe]);
if (RZA_IO_RegRead_16(&g_usb1_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 1)
{
count = g_usb1_function_data_count[pipe];
status = USB_FUNCTION_READING;
}
else
{
buffer = usb1_function_change_fifo_port(pipe, USB_FUNCTION_D0DMA, DEVDRV_USBF_NO, mbw);
if (buffer == DEVDRV_USBF_FIFOERROR) /* FIFO access status */
{
return DEVDRV_USBF_FIFOERROR;
}
dtln = (uint32_t)(buffer & USB_FUNCTION_BITDTLN);
mxps = usb1_function_get_mxps(pipe); /* Max Packet Size */
if (g_usb1_function_data_count[pipe] < dtln) /* Buffer Over ? */
{
status = USB_FUNCTION_READOVER;
count = g_usb1_function_data_count[pipe];
}
else if (g_usb1_function_data_count[pipe] == dtln) /* just Receive Size */
{
status = USB_FUNCTION_READEND;
count = dtln;
if (count == 0)
{
status = USB_FUNCTION_READSHRT; /* Null Packet receive */
}
if ((count % mxps) != 0)
{
status = USB_FUNCTION_READSHRT; /* Short Packet receive */
}
}
else /* continue Receive data */
{
status = USB_FUNCTION_READING;
count = dtln;
if (count == 0)
{
status = USB_FUNCTION_READSHRT; /* Null Packet receive */
}
if ((count % mxps) != 0)
{
status = USB_FUNCTION_READSHRT; /* Short Packet receive */
}
else
{
pipebuf_size = usb1_function_get_buf_size(pipe); /* Data buffer size */
if (count != pipebuf_size)
{
status = USB_FUNCTION_READSHRT; /* Short Packet receive */
}
}
}
}
if (count == 0) /* 0 length packet */
{
if (RZA_IO_RegRead_16(&g_usb1_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0)
{
USB201.D0FIFOCTR = USB_FUNCTION_BITBCLR; /* Clear BCLR */
status = USB_FUNCTION_READZERO; /* Null Packet receive */
}
else
{
usb1_function_set_curpipe(pipe, USB_FUNCTION_D0DMA, DEVDRV_USBF_NO, mbw);
/* transaction counter No set */
/* FRDY = 1, DTLN = 0 -> BRDY */
}
}
else
{
dfacc = usb1_function_set_dfacc_d0(mbw, count);
if (mbw == USB_FUNCTION_BITMBW_32)
{
g_usb1_function_DmaInfo[USB_FUNCTION_D0FIFO].size = 2; /* 32bit transfer */
}
else if (mbw == USB_FUNCTION_BITMBW_16)
{
g_usb1_function_DmaInfo[USB_FUNCTION_D0FIFO].size = 1; /* 16bit transfer */
}
else
{
g_usb1_function_DmaInfo[USB_FUNCTION_D0FIFO].size = 0; /* 8bit transfer */
}
g_usb1_function_DmaPipe[USB_FUNCTION_D0FIFO] = pipe; /* not use in read operation */
g_usb1_function_DmaBval[USB_FUNCTION_D0FIFO] = 0; /* not use in read operation */
g_usb1_function_DmaInfo[USB_FUNCTION_D0FIFO].fifo = USB_FUNCTION_D0FIFO_DMA;
g_usb1_function_DmaInfo[USB_FUNCTION_D0FIFO].dir = USB_FUNCTION_FIFO2BUF;
g_usb1_function_DmaInfo[USB_FUNCTION_D0FIFO].buffer = (uint32_t)g_usb1_function_data_pointer[pipe];
g_usb1_function_DmaInfo[USB_FUNCTION_D0FIFO].bytes = count;
if (status == USB_FUNCTION_READING)
{
g_usb1_function_DmaStatus[USB_FUNCTION_D0FIFO] = USB_FUNCTION_DMA_BUSY;
}
else
{
g_usb1_function_DmaStatus[USB_FUNCTION_D0FIFO] = USB_FUNCTION_DMA_BUSYEND;
}
Userdef_USB_usb1_function_start_dma(&g_usb1_function_DmaInfo[USB_FUNCTION_D0FIFO], dfacc);
usb1_function_set_curpipe2(pipe, USB_FUNCTION_D0DMA, DEVDRV_USBF_NO, mbw, dfacc);
RZA_IO_RegWrite_16(&USB201.D0FIFOSEL,
1,
USB_DnFIFOSEL_DREQE_SHIFT,
USB_DnFIFOSEL_DREQE);
}
if (RZA_IO_RegRead_16(&g_usb1_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0)
{
g_usb1_function_data_count[pipe] -= count;
g_usb1_function_data_pointer[pipe] += count;
g_usb1_function_PipeDataSize[pipe] += count;
}
return status; /* End or Err or Continue */
}
/*******************************************************************************
* Function Name: usb1_function_read_dma_d1
* Description : Reads data from the buffer allocated in the pipe specified in
* : the argument.
* : Reads data by DMA transfer using D1FIFO.
* Arguments : uint16_t pipe ; Pipe Number
* Return Value : USB_FUNCTION_READEND ; Read end
* : USB_FUNCTION_READSHRT ; short data
* : USB_FUNCTION_READZERO ; zero data
* : USB_FUNCTION_READING ; Continue of data read
* : USB_FUNCTION_READOVER ; buffer over
* : DEVDRV_USBF_FIFOERROR ; FIFO status
*******************************************************************************/
static uint16_t usb1_function_read_dma_d1 (uint16_t pipe)
{
uint32_t count;
uint32_t dtln;
uint16_t buffer;
uint16_t mxps;
uint16_t status;
uint16_t mbw;
uint16_t dfacc = 0;
uint16_t pipebuf_size;
g_usb1_function_DmaStatus[USB_FUNCTION_D1FIFO] = USB_FUNCTION_DMA_READY;
mbw = usb1_function_get_mbw(g_usb1_function_data_count[pipe], (uint32_t)g_usb1_function_data_pointer[pipe]);
if (RZA_IO_RegRead_16(&g_usb1_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 1)
{
count = g_usb1_function_data_count[pipe];
status = USB_FUNCTION_READING;
}
else
{
buffer = usb1_function_change_fifo_port(pipe, USB_FUNCTION_D1DMA, DEVDRV_USBF_NO, mbw);
if (buffer == DEVDRV_USBF_FIFOERROR) /* FIFO access status */
{
return DEVDRV_USBF_FIFOERROR;
}
dtln = (uint32_t)(buffer & USB_FUNCTION_BITDTLN);
mxps = usb1_function_get_mxps(pipe); /* Max Packet Size */
if (g_usb1_function_data_count[pipe] < dtln) /* Buffer Over ? */
{
status = USB_FUNCTION_READOVER;
count = g_usb1_function_data_count[pipe];
}
else if (g_usb1_function_data_count[pipe] == dtln) /* just Receive Size */
{
status = USB_FUNCTION_READEND;
count = dtln;
if (count == 0)
{
status = USB_FUNCTION_READSHRT; /* Null Packet receive */
}
if ((count % mxps) != 0)
{
status = USB_FUNCTION_READSHRT; /* Short Packet receive */
}
}
else /* continue Receive data */
{
status = USB_FUNCTION_READING;
count = dtln;
if (count == 0)
{
status = USB_FUNCTION_READSHRT; /* Null Packet receive */
}
if ((count % mxps) != 0)
{
status = USB_FUNCTION_READSHRT; /* Short Packet receive */
}
else
{
pipebuf_size = usb1_function_get_buf_size(pipe); /* Data buffer size */
if (count != pipebuf_size)
{
status = USB_FUNCTION_READSHRT; /* Short Packet receive */
}
}
}
}
if (count == 0) /* 0 length packet */
{
if (RZA_IO_RegRead_16(&g_usb1_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0)
{
USB201.D1FIFOCTR = USB_FUNCTION_BITBCLR; /* Clear BCLR */
status = USB_FUNCTION_READZERO; /* Null Packet receive */
}
else
{
usb1_function_set_curpipe(pipe, USB_FUNCTION_D1DMA, DEVDRV_USBF_NO, mbw);
/* transaction counter No set */
/* FRDY = 1, DTLN = 0 -> BRDY */
}
}
else
{
dfacc = usb1_function_set_dfacc_d1(mbw, count);
if (mbw == USB_FUNCTION_BITMBW_32)
{
g_usb1_function_DmaInfo[USB_FUNCTION_D1FIFO].size = 2; /* 32bit transfer */
}
else if (mbw == USB_FUNCTION_BITMBW_16)
{
g_usb1_function_DmaInfo[USB_FUNCTION_D1FIFO].size = 1; /* 16bit transfer */
}
else
{
g_usb1_function_DmaInfo[USB_FUNCTION_D1FIFO].size = 0; /* 8bit transfer */
}
g_usb1_function_DmaPipe[USB_FUNCTION_D1FIFO] = pipe; /* not use in read operation */
g_usb1_function_DmaBval[USB_FUNCTION_D1FIFO] = 0; /* not use in read operation */
g_usb1_function_DmaInfo[USB_FUNCTION_D1FIFO].fifo = USB_FUNCTION_D1FIFO_DMA;
g_usb1_function_DmaInfo[USB_FUNCTION_D1FIFO].dir = USB_FUNCTION_FIFO2BUF;
g_usb1_function_DmaInfo[USB_FUNCTION_D1FIFO].buffer = (uint32_t)g_usb1_function_data_pointer[pipe];
g_usb1_function_DmaInfo[USB_FUNCTION_D1FIFO].bytes = count;
if (status == USB_FUNCTION_READING)
{
g_usb1_function_DmaStatus[USB_FUNCTION_D1FIFO] = USB_FUNCTION_DMA_BUSY;
}
else
{
g_usb1_function_DmaStatus[USB_FUNCTION_D1FIFO] = USB_FUNCTION_DMA_BUSYEND;
}
Userdef_USB_usb1_function_start_dma(&g_usb1_function_DmaInfo[USB_FUNCTION_D1FIFO], dfacc);
usb1_function_set_curpipe2(pipe, USB_FUNCTION_D1DMA, DEVDRV_USBF_NO, mbw, dfacc);
RZA_IO_RegWrite_16(&USB201.D1FIFOSEL,
1,
USB_DnFIFOSEL_DREQE_SHIFT,
USB_DnFIFOSEL_DREQE);
}
if (RZA_IO_RegRead_16(&g_usb1_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0)
{
g_usb1_function_data_count[pipe] -= count;
g_usb1_function_data_pointer[pipe] += count;
g_usb1_function_PipeDataSize[pipe] += count;
}
return status; /* End or Err or Continue */
}
/*******************************************************************************
* Function Name: usb1_function_change_fifo_port
* Description : Allocates FIF0 specified by the argument in the pipe assigned
* : by the argument. After allocating FIF0, waits in the software
* : till the corresponding pipe becomes ready.
* Arguments : uint16_t pipe ; Pipe Number
* : uint16_t fifosel ; Select FIFO
* : uint16_t isel ; FIFO Access Direction
* : uint16_t mbw ; FIFO Port Access Bit Width
* Return Value : DEVDRV_USBF_FIFOERROR ; Error
* : Others ; CFIFOCTR/D0FIFOCTR/D1FIFOCTR Register Value
*******************************************************************************/
uint16_t usb1_function_change_fifo_port (uint16_t pipe, uint16_t fifosel, uint16_t isel, uint16_t mbw)
{
uint16_t buffer;
uint32_t loop;
volatile uint32_t loop2;
usb1_function_set_curpipe(pipe, fifosel, isel, mbw);
for (loop = 0; loop < 4; loop++)
{
switch (fifosel)
{
case USB_FUNCTION_CUSE:
buffer = USB201.CFIFOCTR;
break;
case USB_FUNCTION_D0USE:
case USB_FUNCTION_D0DMA:
buffer = USB201.D0FIFOCTR;
break;
case USB_FUNCTION_D1USE:
case USB_FUNCTION_D1DMA:
buffer = USB201.D1FIFOCTR;
break;
default:
buffer = 0;
break;
}
if ((buffer & USB_FUNCTION_BITFRDY) == USB_FUNCTION_BITFRDY)
{
return buffer;
}
loop2 = 25;
while (loop2-- > 0)
{
/* wait */
}
}
return DEVDRV_USBF_FIFOERROR;
}
/*******************************************************************************
* Function Name: usb1_function_set_curpipe
* Description : Allocates FIF0 specified by the argument in the pipe assigned
* : by the argument.
* Arguments : uint16_t pipe ; Pipe Number
* : uint16_t fifosel ; Select FIFO
* : uint16_t isel ; FIFO Access Direction
* : uint16_t mbw ; FIFO Port Access Bit Width
* Return Value : none
*******************************************************************************/
void usb1_function_set_curpipe (uint16_t pipe, uint16_t fifosel, uint16_t isel, uint16_t mbw)
{
uint16_t buffer;
uint32_t loop;
volatile uint32_t loop2;
g_usb1_function_mbw[pipe] = mbw;
switch (fifosel)
{
case USB_FUNCTION_CUSE:
buffer = USB201.CFIFOSEL;
buffer &= (uint16_t)~(USB_FUNCTION_BITISEL | USB_FUNCTION_BITCURPIPE);
buffer |= (uint16_t)(~isel & USB_FUNCTION_BITISEL);
USB201.CFIFOSEL = buffer;
for (loop = 0; loop < 4; loop++)
{
if ((USB201.CFIFOSEL & (USB_FUNCTION_BITISEL | USB_FUNCTION_BITCURPIPE)) ==
(buffer & (USB_FUNCTION_BITISEL | USB_FUNCTION_BITCURPIPE)))
{
break;
}
loop2 = 100;
while (loop2-- > 0)
{
/* wait */
}
}
buffer &= (uint16_t)~(USB_FUNCTION_BITISEL | USB_FUNCTION_BITCURPIPE | USB_FUNCTION_BITMBW);
buffer |= (uint16_t)(isel | pipe | mbw);
USB201.CFIFOSEL = buffer;
for (loop = 0; loop < 4; loop++)
{
if ((USB201.CFIFOSEL & (USB_FUNCTION_BITISEL | USB_FUNCTION_BITCURPIPE)) ==
(buffer & (USB_FUNCTION_BITISEL | USB_FUNCTION_BITCURPIPE)))
{
break;
}
loop2 = 100;
while (loop2-- > 0)
{
/* wait */
}
}
break;
case USB_FUNCTION_D0DMA:
case USB_FUNCTION_D0USE:
buffer = USB201.D0FIFOSEL;
buffer &= (uint16_t)~(USB_FUNCTION_BITCURPIPE);
USB201.D0FIFOSEL = buffer;
for (loop = 0; loop < 4; loop++)
{
if ((USB201.D0FIFOSEL & USB_FUNCTION_BITCURPIPE) ==
(buffer & USB_FUNCTION_BITCURPIPE))
{
break;
}
loop2 = 100;
while (loop2-- > 0)
{
/* wait */
}
}
buffer &= (uint16_t)~(USB_FUNCTION_BITCURPIPE | USB_FUNCTION_BITMBW);
buffer |= (uint16_t)(pipe | mbw);
USB201.D0FIFOSEL = buffer;
for (loop = 0; loop < 4; loop++)
{
if ((USB201.D0FIFOSEL & USB_FUNCTION_BITCURPIPE) ==
(buffer & USB_FUNCTION_BITCURPIPE))
{
break;
}
loop2 = 100;
while (loop2-- > 0)
{
/* wait */
}
}
break;
case USB_FUNCTION_D1DMA:
case USB_FUNCTION_D1USE:
buffer = USB201.D1FIFOSEL;
buffer &= (uint16_t)~(USB_FUNCTION_BITCURPIPE);
USB201.D1FIFOSEL = buffer;
for (loop = 0; loop < 4; loop++)
{
if ((USB201.D1FIFOSEL & USB_FUNCTION_BITCURPIPE) ==
(buffer & USB_FUNCTION_BITCURPIPE))
{
break;
}
loop2 = 100;
while (loop2-- > 0)
{
/* wait */
}
}
buffer &= (uint16_t)~(USB_FUNCTION_BITCURPIPE | USB_FUNCTION_BITMBW);
buffer |= (uint16_t)(pipe | mbw);
USB201.D1FIFOSEL = buffer;
for (loop = 0; loop < 4; loop++)
{
if ((USB201.D1FIFOSEL & USB_FUNCTION_BITCURPIPE) ==
(buffer & USB_FUNCTION_BITCURPIPE))
{
break;
}
loop2 = 100;
while (loop2-- > 0)
{
/* wait */
}
}
break;
default:
break;
}
/* Cautions !!!
* Depending on the external bus speed of CPU, you may need to wait for 450ns here.
* For details, please look at the data sheet. */
loop2 = 100;
while (loop2-- > 0)
{
/* wait */
}
}
/*******************************************************************************
* Function Name: usb1_function_set_curpipe2
* Description : Allocates FIF0 specified by the argument in the pipe assigned
* : by the argument.
* Arguments : uint16_t pipe ; Pipe Number
* : uint16_t fifosel ; Select FIFO
* : uint16_t isel ; FIFO Access Direction
* : uint16_t mbw ; FIFO Port Access Bit Width
* : uint16_t dfacc ; DFACC Access mode
* Return Value : none
*******************************************************************************/
void usb1_function_set_curpipe2 (uint16_t pipe, uint16_t fifosel, uint16_t isel, uint16_t mbw, uint16_t dfacc)
{
uint16_t buffer;
uint32_t loop;
#ifdef __USB_FUNCTION_DF_ACC_ENABLE__
uint32_t dummy;
#endif
volatile uint32_t loop2;
g_usb1_function_mbw[pipe] = mbw;
switch (fifosel)
{
case USB_FUNCTION_CUSE:
buffer = USB201.CFIFOSEL;
buffer &= (uint16_t)~(USB_FUNCTION_BITISEL | USB_FUNCTION_BITCURPIPE);
buffer |= (uint16_t)(~isel & USB_FUNCTION_BITISEL);
USB201.CFIFOSEL = buffer;
for (loop = 0; loop < 4; loop++)
{
if ((USB201.CFIFOSEL & (USB_FUNCTION_BITISEL | USB_FUNCTION_BITCURPIPE)) ==
(buffer & (USB_FUNCTION_BITISEL | USB_FUNCTION_BITCURPIPE)))
{
break;
}
loop2 = 100;
while (loop2-- > 0)
{
/* wait */
}
}
buffer &= (uint16_t)~(USB_FUNCTION_BITISEL | USB_FUNCTION_BITCURPIPE | USB_FUNCTION_BITMBW);
buffer |= (uint16_t)(isel | pipe | mbw);
USB201.CFIFOSEL = buffer;
for (loop = 0; loop < 4; loop++)
{
if ((USB201.CFIFOSEL & (USB_FUNCTION_BITISEL | USB_FUNCTION_BITCURPIPE)) ==
(buffer & (USB_FUNCTION_BITISEL | USB_FUNCTION_BITCURPIPE)))
{
break;
}
loop2 = 100;
while (loop2-- > 0)
{
/* wait */
}
}
break;
case USB_FUNCTION_D0DMA:
case USB_FUNCTION_D0USE:
buffer = USB201.D0FIFOSEL;
#ifdef __USB_FUNCTION_DF_ACC_ENABLE__
buffer &= (uint16_t)~(USB_FUNCTION_BITCURPIPE | USB_FUNCTION_BITMBW);
if (dfacc != 0)
{
buffer |= (uint16_t)(USB_FUNCTION_BITMBW_32);
}
#else
buffer &= (uint16_t)~(USB_FUNCTION_BITCURPIPE);
#endif
USB201.D0FIFOSEL = buffer;
for (loop = 0; loop < 4; loop++)
{
if ((USB201.D0FIFOSEL & USB_FUNCTION_BITCURPIPE) == (buffer & USB_FUNCTION_BITCURPIPE))
{
break;
}
loop2 = 100;
while (loop2-- > 0)
{
/* wait */
}
}
#ifdef __USB_FUNCTION_DF_ACC_ENABLE__
if (dfacc != 0)
{
dummy = USB201.D0FIFO.UINT32;
}
#endif
buffer &= (uint16_t)~(USB_FUNCTION_BITCURPIPE | USB_FUNCTION_BITMBW);
buffer |= (uint16_t)(pipe | mbw);
USB201.D0FIFOSEL = buffer;
for (loop = 0; loop < 4; loop++)
{
if ((USB201.D0FIFOSEL & USB_FUNCTION_BITCURPIPE) == (buffer & USB_FUNCTION_BITCURPIPE))
{
break;
}
loop2 = 100;
while (loop2-- > 0)
{
/* wait */
}
}
break;
case USB_FUNCTION_D1DMA:
case USB_FUNCTION_D1USE:
buffer = USB201.D1FIFOSEL;
#ifdef __USB_FUNCTION_DF_ACC_ENABLE__
buffer &= (uint16_t)~(USB_FUNCTION_BITCURPIPE | USB_FUNCTION_BITMBW);
if (dfacc != 0)
{
buffer |= (uint16_t)(USB_FUNCTION_BITMBW_32);
}
#else
buffer &= (uint16_t)~(USB_FUNCTION_BITCURPIPE);
#endif
USB201.D1FIFOSEL = buffer;
for (loop = 0; loop < 4; loop++)
{
if ((USB201.D1FIFOSEL & USB_FUNCTION_BITCURPIPE) == (buffer & USB_FUNCTION_BITCURPIPE))
{
break;
}
loop2 = 100;
while (loop2-- > 0)
{
/* wait */
}
}
#ifdef __USB_FUNCTION_DF_ACC_ENABLE__
if (dfacc != 0)
{
dummy = USB201.D1FIFO.UINT32;
loop = dummy; // avoid warning.
}
#endif
buffer &= (uint16_t)~(USB_FUNCTION_BITCURPIPE | USB_FUNCTION_BITMBW);
buffer |= (uint16_t)(pipe | mbw);
USB201.D1FIFOSEL = buffer;
for (loop = 0; loop < 4; loop++)
{
if ((USB201.D1FIFOSEL & USB_FUNCTION_BITCURPIPE) == (buffer & USB_FUNCTION_BITCURPIPE))
{
break;
}
loop2 = 100;
while (loop2-- > 0)
{
/* wait */
}
}
break;
default:
break;
}
/* Cautions !!!
* Depending on the external bus speed of CPU, you may need to wait for 450ns here.
* For details, please look at the data sheet. */
loop2 = 100;
while (loop2-- > 0)
{
/* wait */
}
}
/*******************************************************************************
* Function Name: usb1_function_write_c_fifo
* Description : Writes data in CFIFO.
* : Writes data by BYTE/WORD/LONG according to access size
* : to the pipe specified by the arguments.
* : Before executing this function, allocating CFIF0 in the specified pipe
* : should be completed.
* : Before executing this function, access size to the specified pipe
* : should be fixed and set in g_usb1_function_mbw[].
* Arguments : uint16_t pipe ; Pipe Number
* : uint16_t count ; Data Size(Byte)
* Return Value : none
*******************************************************************************/
static void usb1_function_write_c_fifo (uint16_t pipe, uint16_t count)
{
uint16_t even;
if (g_usb1_function_mbw[pipe] == USB_FUNCTION_BITMBW_8)
{
for (even = count; even; --even)
{
USB201.CFIFO.UINT8[HH] = *g_usb1_function_data_pointer[pipe];
g_usb1_function_data_pointer[pipe] += 1;
}
}
else if (g_usb1_function_mbw[pipe] == USB_FUNCTION_BITMBW_16)
{
for (even = (uint16_t)(count / 2); even; --even)
{
USB201.CFIFO.UINT16[H] = *((uint16_t *)g_usb1_function_data_pointer[pipe]);
g_usb1_function_data_pointer[pipe] += 2;
}
}
else
{
for (even = (uint16_t)(count / 4); even; --even)
{
USB201.CFIFO.UINT32 = *((uint32_t *)g_usb1_function_data_pointer[pipe]);
g_usb1_function_data_pointer[pipe] += 4;
}
}
}
/*******************************************************************************
* Function Name: usb1_function_read_c_fifo
* Description : Reads data from CFIFO.
* : Reads data by BYTE/WORD/LONG according to access size
* : to the pipe specified by the arguments.
* : Before executing this function, allocating CFIF0 in the specified pipe
* : should be completed.
* : Before executing this function, access size to the specified pipe
* : should be fixed and set in g_usb1_function_mbw[].
* Arguments : uint16_t pipe ; Pipe Number
* : uint16_t count ; Data Size(Byte)
* Return Value : none
*******************************************************************************/
static void usb1_function_read_c_fifo (uint16_t pipe, uint16_t count)
{
uint16_t even;
if (g_usb1_function_mbw[pipe] == USB_FUNCTION_BITMBW_8)
{
for (even = count; even; --even)
{
*g_usb1_function_data_pointer[pipe] = USB201.CFIFO.UINT8[HH];
g_usb1_function_data_pointer[pipe] += 1;
}
}
else if (g_usb1_function_mbw[pipe] == USB_FUNCTION_BITMBW_16)
{
for (even = (uint16_t)((count + 1) / 2); even; --even)
{
*((uint16_t *)g_usb1_function_data_pointer[pipe]) = USB201.CFIFO.UINT16[H];
g_usb1_function_data_pointer[pipe] += 2;
}
}
else
{
for (even = (uint16_t)((count + 3) / 4); even; --even)
{
*((uint32_t *)g_usb1_function_data_pointer[pipe]) = USB201.CFIFO.UINT32;
g_usb1_function_data_pointer[pipe] += 4;
}
}
}
/*******************************************************************************
* Function Name: usb1_function_write_d0_fifo
* Description : Writes data in D0FIFO.
* : Writes data by BYTE/WORD/LONG according to access size
* : to the pipe specified by the arguments.
* : Before executing this function, allocating CFIF0 in the specified pipe
* : should be completed.
* : Before executing this function, access size to the specified pipe
* : should be fixed and set in g_usb1_function_mbw[].
* Arguments : uint16_t pipe ; Pipe Number
* : uint16_t count ; Data Size(Byte)
* Return Value : none
*******************************************************************************/
static void usb1_function_write_d0_fifo (uint16_t pipe, uint16_t count)
{
uint16_t even;
if (g_usb1_function_mbw[pipe] == USB_FUNCTION_BITMBW_8)
{
for (even = count; even; --even)
{
USB201.D0FIFO.UINT8[HH] = *g_usb1_function_data_pointer[pipe];
g_usb1_function_data_pointer[pipe] += 1;
}
}
else if (g_usb1_function_mbw[pipe] == USB_FUNCTION_BITMBW_16)
{
for (even = (uint16_t)(count / 2); even; --even)
{
USB201.D0FIFO.UINT16[H] = *((uint16_t *)g_usb1_function_data_pointer[pipe]);
g_usb1_function_data_pointer[pipe] += 2;
}
}
else
{
for (even = (uint16_t)(count / 4); even; --even)
{
USB201.D0FIFO.UINT32 = *((uint32_t *)g_usb1_function_data_pointer[pipe]);
g_usb1_function_data_pointer[pipe] += 4;
}
}
}
/*******************************************************************************
* Function Name: usb1_function_read_d0_fifo
* Description : Reads data from D0FIFO.
* : Reads data by BYTE/WORD/LONG according to access size
* : to the pipe specified by the arguments.
* : Before executing this function, allocating DOFIF0 in the specified pipe
* : should be completed.
* : Before executing this function, access size to the specified pipe
* : should be fixed and set in g_usb1_function_mbw[].
* Arguments : uint16_t pipe ; Pipe Number
* : uint16_t count ; Data Size(Byte)
* Return Value : none
*******************************************************************************/
static void usb1_function_read_d0_fifo (uint16_t pipe, uint16_t count)
{
uint16_t even;
if (g_usb1_function_mbw[pipe] == USB_FUNCTION_BITMBW_8)
{
for (even = count; even; --even)
{
*g_usb1_function_data_pointer[pipe] = USB201.D0FIFO.UINT8[HH];
g_usb1_function_data_pointer[pipe] += 1;
}
}
else if (g_usb1_function_mbw[pipe] == USB_FUNCTION_BITMBW_16)
{
for (even = (uint16_t)((count + 1) / 2); even; --even)
{
*((uint16_t *)g_usb1_function_data_pointer[pipe]) = USB201.D0FIFO.UINT16[H];
g_usb1_function_data_pointer[pipe] += 2;
}
}
else
{
for (even = (uint16_t)((count + 3) / 4); even; --even)
{
*((uint32_t *)g_usb1_function_data_pointer[pipe]) = USB201.D0FIFO.UINT32;
g_usb1_function_data_pointer[pipe] += 4;
}
}
}
/*******************************************************************************
* Function Name: usb1_function_write_d1_fifo
* Description : Writes data in D1FIFO.
* : Writes data by BYTE/WORD/LONG according to access size
* : to the pipe specified by the arguments.
* : Before executing this function, allocating D1FIF0 in the specified pipe
* : should be completed.
* : Before executing this function, access size to the specified pipe
* : should be fixed and set in g_usb1_function_mbw[].
* Arguments : uint16_t pipe ; Pipe Number
* : uint16_t count ; Data Size(Byte)
* Return Value : none
*******************************************************************************/
static void usb1_function_write_d1_fifo (uint16_t pipe, uint16_t count)
{
uint16_t even;
if (g_usb1_function_mbw[pipe] == USB_FUNCTION_BITMBW_8)
{
for (even = count; even; --even)
{
USB201.D1FIFO.UINT8[HH] = *g_usb1_function_data_pointer[pipe];
g_usb1_function_data_pointer[pipe] += 1;
}
}
else if (g_usb1_function_mbw[pipe] == USB_FUNCTION_BITMBW_16)
{
for (even = (uint16_t)(count / 2); even; --even)
{
USB201.D1FIFO.UINT16[H] = *((uint16_t *)g_usb1_function_data_pointer[pipe]);
g_usb1_function_data_pointer[pipe] += 2;
}
}
else
{
for (even = (uint16_t)(count / 4); even; --even)
{
USB201.D1FIFO.UINT32 = *((uint32_t *)g_usb1_function_data_pointer[pipe]);
g_usb1_function_data_pointer[pipe] += 4;
}
}
}
/*******************************************************************************
* Function Name: usb1_function_read_d1_fifo
* Description : Reads data from D1FIFO.
* : Reads data by BYTE/WORD/LONG according to access size
* : to the pipe specified by the arguments.
* : Before executing this function, allocating D1FIF0 in the specified pipe
* : should be completed.
* : Before executing this function, access size to the specified pipe
* : should be fixed and set in g_usb1_function_mbw[].
* Arguments : uint16_t pipe ; Pipe Number
* : uint16_t count ; Data Size(Byte)
* Return Value : none
*******************************************************************************/
static void usb1_function_read_d1_fifo (uint16_t pipe, uint16_t count)
{
uint16_t even;
if (g_usb1_function_mbw[pipe] == USB_FUNCTION_BITMBW_8)
{
for (even = count; even; --even)
{
*g_usb1_function_data_pointer[pipe] = USB201.D1FIFO.UINT8[HH];
g_usb1_function_data_pointer[pipe] += 1;
}
}
else if (g_usb1_function_mbw[pipe] == USB_FUNCTION_BITMBW_16)
{
for (even = (uint16_t)((count + 1) / 2); even; --even)
{
*((uint16_t *)g_usb1_function_data_pointer[pipe]) = USB201.D1FIFO.UINT16[H];
g_usb1_function_data_pointer[pipe] += 2;
}
}
else
{
for (even = (uint16_t)((count + 3) / 4); even; --even)
{
*((uint32_t *)g_usb1_function_data_pointer[pipe]) = USB201.D1FIFO.UINT32;
g_usb1_function_data_pointer[pipe] += 4;
}
}
}
/*******************************************************************************
* Function Name: usb1_function_com_get_dmasize
* Description : Calculates access width of DMA transfer by the argument to
* : return as the Return Value.
* Arguments : uint32_t trncount : transfer byte
* : uint32_t dtptr : transfer data pointer
* Return Value : DMA transfer size : 0 8bit
* : : 1 16bit
* : : 2 32bit
*******************************************************************************/
static uint32_t usb1_function_com_get_dmasize (uint32_t trncount, uint32_t dtptr)
{
uint32_t size;
if (((trncount & 0x0001) != 0) || ((dtptr & 0x00000001) != 0))
{
/* When transfer byte count is odd */
/* or transfer data area is 8-bit alignment */
size = 0; /* 8bit */
}
else if (((trncount & 0x0003) != 0) || ((dtptr & 0x00000003) != 0))
{
/* When the transfer byte count is multiples of 2 */
/* or the transfer data area is 16-bit alignment */
size = 1; /* 16bit */
}
else
{
/* When the transfer byte count is multiples of 4 */
/* or the transfer data area is 32-bit alignment */
size = 2; /* 32bit */
}
return size;
}
/*******************************************************************************
* Function Name: usb1_function_get_mbw
* Description : Calculates access width of DMA to return the value set in MBW.
* Arguments : uint32_t trncount : transfer byte
* : uint32_t dtptr : transfer data pointer
* Return Value : FIFO transfer size : USB_FUNCTION_BITMBW_8 8bit
* : : USB_FUNCTION_BITMBW_16 16bit
* : : USB_FUNCTION_BITMBW_32 32bit
*******************************************************************************/
uint16_t usb1_function_get_mbw (uint32_t trncount, uint32_t dtptr)
{
uint32_t size;
uint16_t mbw;
size = usb1_function_com_get_dmasize(trncount, dtptr);
if (size == 0)
{
/* 8bit */
mbw = USB_FUNCTION_BITMBW_8;
}
else if (size == 1)
{
/* 16bit */
mbw = USB_FUNCTION_BITMBW_16;
}
else
{
/* 32bit */
mbw = USB_FUNCTION_BITMBW_32;
}
return mbw;
}
/*******************************************************************************
* Function Name: usb1_function_set_transaction_counter
* Description : Sets transaction counter by the argument(PIPEnTRN).
* : Clears transaction before setting to enable transaction counter setting.
* Arguments : uint16_t pipe ; Pipe number
* : uint32_t bsize : Data transfer size
* Return Value : none
*******************************************************************************/
static void usb1_function_set_transaction_counter (uint16_t pipe, uint32_t bsize)
{
uint16_t mxps;
uint16_t cnt;
if (bsize == 0)
{
return;
}
mxps = usb1_function_get_mxps(pipe); /* Max Packet Size */
if ((bsize % mxps) == 0)
{
cnt = (uint16_t)(bsize / mxps);
}
else
{
cnt = (uint16_t)((bsize / mxps) + 1);
}
switch (pipe)
{
case USB_FUNCTION_PIPE1:
RZA_IO_RegWrite_16(&USB201.PIPE1TRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
USB201.PIPE1TRN = cnt;
RZA_IO_RegWrite_16(&USB201.PIPE1TRE,
1,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
break;
case USB_FUNCTION_PIPE2:
RZA_IO_RegWrite_16(&USB201.PIPE2TRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
USB201.PIPE2TRN = cnt;
RZA_IO_RegWrite_16(&USB201.PIPE2TRE,
1,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
break;
case USB_FUNCTION_PIPE3:
RZA_IO_RegWrite_16(&USB201.PIPE3TRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
USB201.PIPE3TRN = cnt;
RZA_IO_RegWrite_16(&USB201.PIPE3TRE,
1,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
break;
case USB_FUNCTION_PIPE4:
RZA_IO_RegWrite_16(&USB201.PIPE4TRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
USB201.PIPE4TRN = cnt;
RZA_IO_RegWrite_16(&USB201.PIPE4TRE,
1,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
break;
case USB_FUNCTION_PIPE5:
RZA_IO_RegWrite_16(&USB201.PIPE5TRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
USB201.PIPE5TRN = cnt;
RZA_IO_RegWrite_16(&USB201.PIPE5TRE,
1,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
break;
case USB_FUNCTION_PIPE9:
RZA_IO_RegWrite_16(&USB201.PIPE9TRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
USB201.PIPE9TRN = cnt;
RZA_IO_RegWrite_16(&USB201.PIPE9TRE,
1,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
break;
case USB_FUNCTION_PIPEA:
RZA_IO_RegWrite_16(&USB201.PIPEATRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
USB201.PIPEATRN = cnt;
RZA_IO_RegWrite_16(&USB201.PIPEATRE,
1,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
break;
case USB_FUNCTION_PIPEB:
RZA_IO_RegWrite_16(&USB201.PIPEBTRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
USB201.PIPEBTRN = cnt;
RZA_IO_RegWrite_16(&USB201.PIPEBTRE,
1,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
break;
case USB_FUNCTION_PIPEC:
RZA_IO_RegWrite_16(&USB201.PIPECTRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
USB201.PIPECTRN = cnt;
RZA_IO_RegWrite_16(&USB201.PIPECTRE,
1,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
break;
case USB_FUNCTION_PIPED:
RZA_IO_RegWrite_16(&USB201.PIPEDTRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
USB201.PIPEDTRN = cnt;
RZA_IO_RegWrite_16(&USB201.PIPEDTRE,
1,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
break;
case USB_FUNCTION_PIPEE:
RZA_IO_RegWrite_16(&USB201.PIPEETRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
USB201.PIPEETRN = cnt;
RZA_IO_RegWrite_16(&USB201.PIPEETRE,
1,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
break;
case USB_FUNCTION_PIPEF:
RZA_IO_RegWrite_16(&USB201.PIPEFTRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
USB201.PIPEFTRN = cnt;
RZA_IO_RegWrite_16(&USB201.PIPEFTRE,
1,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
break;
default:
break;
}
}
/*******************************************************************************
* Function Name: usb1_function_clear_transaction_counter
* Description : Clears the transaction counter by the argument.
* : After executing this function, the transaction counter is invalid.
* Arguments : uint16_t pipe ; Pipe number
* Return Value : none
*******************************************************************************/
void usb1_function_clear_transaction_counter (uint16_t pipe)
{
switch (pipe)
{
case USB_FUNCTION_PIPE1:
RZA_IO_RegWrite_16(&USB201.PIPE1TRE,
0,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
RZA_IO_RegWrite_16(&USB201.PIPE1TRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
break;
case USB_FUNCTION_PIPE2:
RZA_IO_RegWrite_16(&USB201.PIPE2TRE,
0,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
RZA_IO_RegWrite_16(&USB201.PIPE2TRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
break;
case USB_FUNCTION_PIPE3:
RZA_IO_RegWrite_16(&USB201.PIPE3TRE,
0,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
RZA_IO_RegWrite_16(&USB201.PIPE3TRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
break;
case USB_FUNCTION_PIPE4:
RZA_IO_RegWrite_16(&USB201.PIPE4TRE,
0,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
RZA_IO_RegWrite_16(&USB201.PIPE4TRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
break;
case USB_FUNCTION_PIPE5:
RZA_IO_RegWrite_16(&USB201.PIPE5TRE,
0,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
RZA_IO_RegWrite_16(&USB201.PIPE5TRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
break;
case USB_FUNCTION_PIPE9:
RZA_IO_RegWrite_16(&USB201.PIPE9TRE,
0,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
RZA_IO_RegWrite_16(&USB201.PIPE9TRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
break;
case USB_FUNCTION_PIPEA:
RZA_IO_RegWrite_16(&USB201.PIPEATRE,
0,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
RZA_IO_RegWrite_16(&USB201.PIPEATRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
break;
case USB_FUNCTION_PIPEB:
RZA_IO_RegWrite_16(&USB201.PIPEBTRE,
0,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
RZA_IO_RegWrite_16(&USB201.PIPEBTRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
break;
case USB_FUNCTION_PIPEC:
RZA_IO_RegWrite_16(&USB201.PIPECTRE,
0,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
RZA_IO_RegWrite_16(&USB201.PIPECTRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
break;
case USB_FUNCTION_PIPED:
RZA_IO_RegWrite_16(&USB201.PIPEDTRE,
0,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
RZA_IO_RegWrite_16(&USB201.PIPEDTRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
break;
case USB_FUNCTION_PIPEE:
RZA_IO_RegWrite_16(&USB201.PIPEETRE,
0,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
RZA_IO_RegWrite_16(&USB201.PIPEETRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
break;
case USB_FUNCTION_PIPEF:
RZA_IO_RegWrite_16(&USB201.PIPEFTRE,
0,
USB_PIPEnTRE_TRENB_SHIFT,
USB_PIPEnTRE_TRENB);
RZA_IO_RegWrite_16(&USB201.PIPEFTRE,
1,
USB_PIPEnTRE_TRCLR_SHIFT,
USB_PIPEnTRE_TRCLR);
break;
default:
break;
}
}
/*******************************************************************************
* Function Name: usb1_function_stop_transfer
* Description : Stops the USB transfer in the pipe specified by the argument.
* : After stopping the USB transfer, clears the buffer allocated in
* : the pipe.
* : After executing this function, allocation in FIF0 becomes USB_FUNCTION_PIPE0;
* : invalid. After executing this function, BRDY/NRDY/BEMP interrupt
* : in the corresponding pipe becomes invalid. Sequence bit is also
* : cleared.
* Arguments : uint16_t pipe ; Pipe Number
* Return Value : none
*******************************************************************************/
void usb1_function_stop_transfer (uint16_t pipe)
{
uint16_t usefifo;
uint32_t remain;
uint16_t fifo;
usb1_function_set_pid_nak(pipe);
usefifo = (uint16_t)(g_usb1_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE);
switch (usefifo)
{
case USB_FUNCTION_D0FIFO_USE:
usb1_function_clear_transaction_counter(pipe);
USB201.D0FIFOCTR = USB_FUNCTION_BITBCLR; /* Buffer Clear */
fifo = USB_FUNCTION_D0USE;
break;
case USB_FUNCTION_D1FIFO_USE:
usb1_function_clear_transaction_counter(pipe);
USB201.D1FIFOCTR = USB_FUNCTION_BITBCLR; /* Buffer Clear */
fifo = USB_FUNCTION_D1USE;
break;
case USB_FUNCTION_D0FIFO_DMA:
remain = Userdef_USB_usb1_function_stop_dma0();
usb1_function_dma_stop_d0(pipe, remain);
usb1_function_clear_transaction_counter(pipe);
USB201.D0FIFOCTR = USB_FUNCTION_BITBCLR; /* Buffer Clear */
fifo = USB_FUNCTION_D0DMA;
break;
case USB_FUNCTION_D1FIFO_DMA:
remain = Userdef_USB_usb1_function_stop_dma1();
usb1_function_dma_stop_d1(pipe, remain);
usb1_function_clear_transaction_counter(pipe);
USB201.D1FIFOCTR = USB_FUNCTION_BITBCLR; /* Buffer Clear */
fifo = USB_FUNCTION_D1DMA;
break;
default:
usb1_function_clear_transaction_counter(pipe);
USB201.CFIFOCTR = USB_FUNCTION_BITBCLR; /* Buffer Clear */
fifo = USB_FUNCTION_CUSE;
break;
}
usb1_function_set_curpipe(USB_FUNCTION_PIPE0, fifo, DEVDRV_USBF_NO, USB_FUNCTION_BITMBW_16);
/* Interrupt of pipe set is disabled */
usb1_function_disable_brdy_int(pipe);
usb1_function_disable_nrdy_int(pipe);
usb1_function_disable_bemp_int(pipe);
usb1_function_aclrm(pipe);
usb1_function_set_csclr(pipe);
if ( g_usb1_function_pipe_status[pipe] == DEVDRV_USBF_PIPE_WAIT )
{
g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_NORES;
}
}
/*******************************************************************************
* Function Name: usb1_function_set_dfacc_d0
* Description : Sets the DFACC setting value in D0FIFO using the transfer size.
* Arguments : uint16_t mbw ; MBW
* : uint16_t count ; data count
* Return Value : DFACC Access mode
*******************************************************************************/
static uint16_t usb1_function_set_dfacc_d0 (uint16_t mbw, uint32_t count)
{
uint16_t dfacc = 0;
#ifndef __USB_FUNCTION_DF_ACC_ENABLE__
RZA_IO_RegWrite_16(&USB201.D0FBCFG,
0,
USB_DnFBCFG_DFACC_SHIFT,
USB_DnFBCFG_DFACC);
RZA_IO_RegWrite_16(&USB201.D0FBCFG,
0,
USB_DnFBCFG_TENDE_SHIFT,
USB_DnFBCFG_TENDE);
dfacc = 0;
#else
if (mbw == USB_FUNCTION_BITMBW_32)
{
if ((count % 32) == 0)
{
/* 32byte transfer */
RZA_IO_RegWrite_16(&USB201.D0FBCFG,
2,
USB_DnFBCFG_DFACC_SHIFT,
USB_DnFBCFG_DFACC);
RZA_IO_RegWrite_16(&USB201.D0FBCFG,
0,
USB_DnFBCFG_TENDE_SHIFT,
USB_DnFBCFG_TENDE);
dfacc = 2;
}
else if ((count % 16) == 0)
{
/* 16byte transfer */
RZA_IO_RegWrite_16(&USB201.D0FBCFG,
1,
USB_DnFBCFG_DFACC_SHIFT,
USB_DnFBCFG_DFACC);
RZA_IO_RegWrite_16(&USB201.D0FBCFG,
0,
USB_DnFBCFG_TENDE_SHIFT,
USB_DnFBCFG_TENDE);
dfacc = 1;
}
else
{
RZA_IO_RegWrite_16(&USB201.D0FBCFG,
0,
USB_DnFBCFG_DFACC_SHIFT,
USB_DnFBCFG_DFACC);
RZA_IO_RegWrite_16(&USB201.D0FBCFG,
0,
USB_DnFBCFG_TENDE_SHIFT,
USB_DnFBCFG_TENDE);
dfacc = 0;
}
}
else if (mbw == USB_FUNCTION_BITMBW_16)
{
RZA_IO_RegWrite_16(&USB201.D0FBCFG,
0,
USB_DnFBCFG_DFACC_SHIFT,
USB_DnFBCFG_DFACC);
RZA_IO_RegWrite_16(&USB201.D0FBCFG,
0,
USB_DnFBCFG_TENDE_SHIFT,
USB_DnFBCFG_TENDE);
dfacc = 0;
}
else
{
RZA_IO_RegWrite_16(&USB201.D0FBCFG,
0,
USB_DnFBCFG_DFACC_SHIFT,
USB_DnFBCFG_DFACC);
RZA_IO_RegWrite_16(&USB201.D0FBCFG,
0,
USB_DnFBCFG_TENDE_SHIFT,
USB_DnFBCFG_TENDE);
dfacc = 0;
}
#endif
return dfacc;
}
/*******************************************************************************
* Function Name: usb1_function_set_dfacc_d1
* Description : Set the DFACC setting value in D1FIFO using the transfer size.
* Arguments : uint16_t mbw ; MBW
* : uint16_t count ; data count
* Return Value : DFACC Access mode
*******************************************************************************/
static uint16_t usb1_function_set_dfacc_d1 (uint16_t mbw, uint32_t count)
{
uint16_t dfacc = 0;
#ifndef __USB_FUNCTION_DF_ACC_ENABLE__
RZA_IO_RegWrite_16(&USB201.D1FBCFG,
0,
USB_DnFBCFG_DFACC_SHIFT,
USB_DnFBCFG_DFACC);
RZA_IO_RegWrite_16(&USB201.D1FBCFG,
0,
USB_DnFBCFG_TENDE_SHIFT,
USB_DnFBCFG_TENDE);
dfacc = 0;
#else
if (mbw == USB_FUNCTION_BITMBW_32)
{
if ((count % 32) == 0)
{
/* 32byte transfer */
RZA_IO_RegWrite_16(&USB201.D1FBCFG,
2,
USB_DnFBCFG_DFACC_SHIFT,
USB_DnFBCFG_DFACC);
RZA_IO_RegWrite_16(&USB201.D1FBCFG,
0,
USB_DnFBCFG_TENDE_SHIFT,
USB_DnFBCFG_TENDE);
dfacc = 2;
}
else if ((count % 16) == 0)
{
/* 16byte transfer */
RZA_IO_RegWrite_16(&USB201.D1FBCFG,
1,
USB_DnFBCFG_DFACC_SHIFT,
USB_DnFBCFG_DFACC);
RZA_IO_RegWrite_16(&USB201.D1FBCFG,
0,
USB_DnFBCFG_TENDE_SHIFT,
USB_DnFBCFG_TENDE);
dfacc = 1;
}
else
{
RZA_IO_RegWrite_16(&USB201.D1FBCFG,
0,
USB_DnFBCFG_DFACC_SHIFT,
USB_DnFBCFG_DFACC);
RZA_IO_RegWrite_16(&USB201.D1FBCFG,
0,
USB_DnFBCFG_TENDE_SHIFT,
USB_DnFBCFG_TENDE);
dfacc = 0;
}
}
else if (mbw == USB_FUNCTION_BITMBW_16)
{
RZA_IO_RegWrite_16(&USB201.D1FBCFG,
0,
USB_DnFBCFG_DFACC_SHIFT,
USB_DnFBCFG_DFACC);
RZA_IO_RegWrite_16(&USB201.D1FBCFG,
0,
USB_DnFBCFG_TENDE_SHIFT,
USB_DnFBCFG_TENDE);
dfacc = 0;
}
else
{
RZA_IO_RegWrite_16(&USB201.D1FBCFG,
0,
USB_DnFBCFG_DFACC_SHIFT,
USB_DnFBCFG_DFACC);
RZA_IO_RegWrite_16(&USB201.D1FBCFG,
0,
USB_DnFBCFG_TENDE_SHIFT,
USB_DnFBCFG_TENDE);
dfacc = 0;
}
#endif
return dfacc;
}
/* End of File */