+++ /dev/null
-/*******************************************************************************
-* 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_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 "usb0_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: usb0_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 usb0_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_usb0_function_bit_set[pipe];
-
- if ((status & pipebit) && (int_enb & pipebit))
- {
- USB200.BRDYSTS = (uint16_t)~pipebit;
- USB200.BEMPSTS = (uint16_t)~pipebit;
- if ((g_usb0_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE) == USB_FUNCTION_D0FIFO_DMA)
- {
- if (g_usb0_function_DmaStatus[USB_FUNCTION_D0FIFO] != USB_FUNCTION_DMA_READY)
- {
- usb0_function_dma_interrupt_d0fifo(int_sense);
- }
-
- if (RZA_IO_RegRead_16(&g_usb0_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0)
- {
- usb0_function_read_dma(pipe);
- usb0_function_disable_brdy_int(pipe);
- }
- else
- {
- USB200.D0FIFOCTR = USB_FUNCTION_BITBCLR;
- g_usb0_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE;
- }
- }
- else if ((g_usb0_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE) == USB_FUNCTION_D1FIFO_DMA)
- {
- if (g_usb0_function_DmaStatus[USB_FUNCTION_D1FIFO] != USB_FUNCTION_DMA_READY)
- {
- usb0_function_dma_interrupt_d1fifo(int_sense);
- }
-
- if (RZA_IO_RegRead_16(&g_usb0_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0)
- {
- usb0_function_read_dma(pipe);
- usb0_function_disable_brdy_int(pipe);
- }
- else
- {
- USB200.D1FIFOCTR = USB_FUNCTION_BITBCLR;
- g_usb0_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE;
- }
- }
- else
- {
- if (RZA_IO_RegRead_16(&g_usb0_function_pipecfg[pipe], USB_PIPECFG_DIR_SHIFT, USB_PIPECFG_DIR) == 0)
- {
- usb0_function_read_buffer(pipe);
- }
- else
- {
- usb0_function_write_buffer(pipe);
- }
- }
- }
- }
-}
-#endif
-
-/*******************************************************************************
-* Function Name: usb0_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 usb0_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);
-
- USB200.NRDYSTS = (uint16_t)~status;
-
- for (pipe = USB_FUNCTION_PIPE1; pipe <= USB_FUNCTION_MAX_PIPE_NO; pipe++)
- {
- if ((bitcheck&g_usb0_function_bit_set[pipe]) == g_usb0_function_bit_set[pipe])
- {
- if (RZA_IO_RegRead_16(&USB200.SYSCFG0, USB_SYSCFG_DCFM_SHIFT, USB_SYSCFG_DCFM) == 1)
- {
- if (g_usb0_function_pipe_status[pipe] == DEVDRV_USBF_PIPE_WAIT)
- {
- pid = usb0_function_get_pid(pipe);
- if ((pid == DEVDRV_USBF_PID_STALL) || (pid == DEVDRV_USBF_PID_STALL2))
- {
- g_usb0_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_STALL;
- }
- else
- {
- g_usb0_function_PipeIgnore[pipe]++;
- if (g_usb0_function_PipeIgnore[pipe] == 3)
- {
- g_usb0_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_NORES;
- }
- else
- {
- usb0_function_set_pid_buf(pipe);
- }
- }
- }
- }
- else
- {
- /* USB Function */
- }
- }
- }
-}
-
-/*******************************************************************************
-* Function Name: usb0_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 usb0_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);
-
- USB200.BEMPSTS = (uint16_t)~status;
-
- for (pipe = USB_FUNCTION_PIPE1; pipe <= USB_FUNCTION_MAX_PIPE_NO; pipe++)
- {
- if ((bitcheck&g_usb0_function_bit_set[pipe]) == g_usb0_function_bit_set[pipe])
- {
- pid = usb0_function_get_pid(pipe);
-
- if ((pid == DEVDRV_USBF_PID_STALL) || (pid == DEVDRV_USBF_PID_STALL2))
- {
- g_usb0_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_STALL;
- }
- else
- {
- inbuf = usb0_function_get_inbuf(pipe);
-
- if (inbuf == 0)
- {
- usb0_function_disable_bemp_int(pipe);
- usb0_function_set_pid_nak(pipe);
- g_usb0_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE;
- }
- }
- }
- }
-}
-
-/* End of File */