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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 : usb1_function_intrn.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
*******************************************************************************/
/*******************************************************************************
* Function Name: usb1_function_brdy_int
* Description : Executes BRDY interrupt(USB_FUNCTION_PIPE1-9).
* : According to the pipe that interrupt is generated in,
* : reads/writes buffer allocated in the pipe.
* : This function is executed in the BRDY interrupt handler.
* : This function clears BRDY interrupt status and BEMP interrupt
* : status.
* Arguments : uint16_t Status ; BRDYSTS Register Value
* : uint16_t Int_enbl ; BRDYENB Register Value
* Return Value : none
*******************************************************************************/
#if 0
void usb1_function_brdy_int (uint16_t status, uint16_t int_enb)
{
uint32_t int_sense = 0;
uint16_t pipe;
uint16_t pipebit;
for (pipe = USB_FUNCTION_PIPE1; pipe <= USB_FUNCTION_MAX_PIPE_NO; pipe++)
{
pipebit = g_usb1_function_bit_set[pipe];
if ((status & pipebit) && (int_enb & pipebit))
{
USB201.BRDYSTS = (uint16_t)~pipebit;
USB201.BEMPSTS = (uint16_t)~pipebit;
if ((g_usb1_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE) == USB_FUNCTION_D0FIFO_DMA)
{
if (g_usb1_function_DmaStatus[USB_FUNCTION_D0FIFO] != USB_FUNCTION_DMA_READY)
{
usb1_function_dma_interrupt_d0fifo(int_sense);
}
if (RZA_IO_RegRead_16(&g_usb1_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0)
{
usb1_function_read_dma(pipe);
usb1_function_disable_brdy_int(pipe);
}
else
{
USB201.D0FIFOCTR = USB_FUNCTION_BITBCLR;
g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE;
}
}
else if ((g_usb1_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE) == USB_FUNCTION_D1FIFO_DMA)
{
if (g_usb1_function_DmaStatus[USB_FUNCTION_D1FIFO] != USB_FUNCTION_DMA_READY)
{
usb1_function_dma_interrupt_d1fifo(int_sense);
}
if (RZA_IO_RegRead_16(&g_usb1_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0)
{
usb1_function_read_dma(pipe);
usb1_function_disable_brdy_int(pipe);
}
else
{
USB201.D1FIFOCTR = USB_FUNCTION_BITBCLR;
g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE;
}
}
else
{
if (RZA_IO_RegRead_16(&g_usb1_function_pipecfg[pipe], USB_PIPECFG_DIR_SHIFT, USB_PIPECFG_DIR) == 0)
{
usb1_function_read_buffer(pipe);
}
else
{
usb1_function_write_buffer(pipe);
}
}
}
}
}
#endif
/*******************************************************************************
* Function Name: usb1_function_nrdy_int
* Description : Executes NRDY interrupt(USB_FUNCTION_PIPE1-9).
* : Checks NRDY interrupt cause by PID. When the cause if STALL,
* : regards the pipe state as STALL and ends the processing.
* : Then the cause is not STALL, increments the error count to
* : communicate again. When the error count is 3, determines
* : the pipe state as DEVDRV_USBF_PIPE_NORES and ends the processing.
* : This function is executed in the NRDY interrupt handler.
* : This function clears NRDY interrupt status.
* Arguments : uint16_t status ; NRDYSTS Register Value
* : uint16_t int_enb ; NRDYENB Register Value
* Return Value : none
*******************************************************************************/
void usb1_function_nrdy_int (uint16_t status, uint16_t int_enb)
{
uint16_t pid;
uint16_t pipe;
uint16_t bitcheck;
bitcheck = (uint16_t)(status & int_enb);
USB201.NRDYSTS = (uint16_t)~status;
for (pipe = USB_FUNCTION_PIPE1; pipe <= USB_FUNCTION_MAX_PIPE_NO; pipe++)
{
if ((bitcheck&g_usb1_function_bit_set[pipe]) == g_usb1_function_bit_set[pipe])
{
if (RZA_IO_RegRead_16(&USB201.SYSCFG0, USB_SYSCFG_DCFM_SHIFT, USB_SYSCFG_DCFM) == 1)
{
if (g_usb1_function_pipe_status[pipe] == DEVDRV_USBF_PIPE_WAIT)
{
pid = usb1_function_get_pid(pipe);
if ((pid == DEVDRV_USBF_PID_STALL) || (pid == DEVDRV_USBF_PID_STALL2))
{
g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_STALL;
}
else
{
g_usb1_function_PipeIgnore[pipe]++;
if (g_usb1_function_PipeIgnore[pipe] == 3)
{
g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_NORES;
}
else
{
usb1_function_set_pid_buf(pipe);
}
}
}
}
else
{
/* USB Function */
}
}
}
}
/*******************************************************************************
* Function Name: usb1_function_bemp_int
* Description : Executes BEMP interrupt(USB_FUNCTION_PIPE1-9).
* Arguments : uint16_t status ; BEMPSTS Register Value
* : uint16_t int_enb ; BEMPENB Register Value
* Return Value : none
*******************************************************************************/
void usb1_function_bemp_int (uint16_t status, uint16_t int_enb)
{
uint16_t pid;
uint16_t pipe;
uint16_t bitcheck;
uint16_t inbuf;
bitcheck = (uint16_t)(status & int_enb);
USB201.BEMPSTS = (uint16_t)~status;
for (pipe = USB_FUNCTION_PIPE1; pipe <= USB_FUNCTION_MAX_PIPE_NO; pipe++)
{
if ((bitcheck&g_usb1_function_bit_set[pipe]) == g_usb1_function_bit_set[pipe])
{
pid = usb1_function_get_pid(pipe);
if ((pid == DEVDRV_USBF_PID_STALL) || (pid == DEVDRV_USBF_PID_STALL2))
{
g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_STALL;
}
else
{
inbuf = usb1_function_get_inbuf(pipe);
if (inbuf == 0)
{
usb1_function_disable_bemp_int(pipe);
usb1_function_set_pid_nak(pipe);
g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE;
}
}
}
}
}
/* End of File */
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