250 строки
9.9 KiB
C
250 строки
9.9 KiB
C
/*******************************************************************************
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* DISCLAIMER
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* This software is supplied by Renesas Electronics Corporation and is only
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* intended for use with Renesas products. No other uses are authorized. This
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* software is owned by Renesas Electronics Corporation and is protected under
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* all applicable laws, including copyright laws.
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* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
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* THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
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* LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
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* AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
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* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
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* ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
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* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
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* ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
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* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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* Renesas reserves the right, without notice, to make changes to this software
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* and to discontinue the availability of this software. By using this software,
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* you agree to the additional terms and conditions found by accessing the
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* following link:
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* http://www.renesas.com/disclaimer
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* Copyright (C) 2012 - 2014 Renesas Electronics Corporation. All rights reserved.
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*******************************************************************************/
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/*******************************************************************************
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* File Name : usb0_function_intrn.c
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* $Rev: 1116 $
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* $Date:: 2014-07-09 16:29:19 +0900#$
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* Device(s) : RZ/A1H
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* Tool-Chain :
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* OS : None
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* H/W Platform :
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* Description : RZ/A1H R7S72100 USB Sample Program
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* Operation :
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* Limitations :
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*******************************************************************************/
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/*******************************************************************************
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Includes <System Includes> , "Project Includes"
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*******************************************************************************/
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#include "usb0_function.h"
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/*******************************************************************************
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Typedef definitions
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*******************************************************************************/
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/*******************************************************************************
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Macro definitions
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*******************************************************************************/
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/*******************************************************************************
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Imported global variables and functions (from other files)
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*******************************************************************************/
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/*******************************************************************************
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Exported global variables and functions (to be accessed by other files)
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*******************************************************************************/
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/*******************************************************************************
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Private global variables and functions
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*******************************************************************************/
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/*******************************************************************************
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* Function Name: usb0_function_brdy_int
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* Description : Executes BRDY interrupt(USB_FUNCTION_PIPE1-9).
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* : According to the pipe that interrupt is generated in,
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* : reads/writes buffer allocated in the pipe.
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* : This function is executed in the BRDY interrupt handler.
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* : This function clears BRDY interrupt status and BEMP interrupt
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* : status.
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* Arguments : uint16_t Status ; BRDYSTS Register Value
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* : uint16_t Int_enbl ; BRDYENB Register Value
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* Return Value : none
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*******************************************************************************/
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#if 0
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void usb0_function_brdy_int (uint16_t status, uint16_t int_enb)
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{
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uint32_t int_sense = 0;
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uint16_t pipe;
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uint16_t pipebit;
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for (pipe = USB_FUNCTION_PIPE1; pipe <= USB_FUNCTION_MAX_PIPE_NO; pipe++)
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{
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pipebit = g_usb0_function_bit_set[pipe];
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if ((status & pipebit) && (int_enb & pipebit))
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{
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USB200.BRDYSTS = (uint16_t)~pipebit;
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USB200.BEMPSTS = (uint16_t)~pipebit;
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if ((g_usb0_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE) == USB_FUNCTION_D0FIFO_DMA)
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{
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if (g_usb0_function_DmaStatus[USB_FUNCTION_D0FIFO] != USB_FUNCTION_DMA_READY)
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{
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usb0_function_dma_interrupt_d0fifo(int_sense);
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}
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if (RZA_IO_RegRead_16(&g_usb0_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0)
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{
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usb0_function_read_dma(pipe);
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usb0_function_disable_brdy_int(pipe);
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}
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else
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{
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USB200.D0FIFOCTR = USB_FUNCTION_BITBCLR;
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g_usb0_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE;
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}
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}
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else if ((g_usb0_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE) == USB_FUNCTION_D1FIFO_DMA)
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{
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if (g_usb0_function_DmaStatus[USB_FUNCTION_D1FIFO] != USB_FUNCTION_DMA_READY)
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{
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usb0_function_dma_interrupt_d1fifo(int_sense);
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}
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if (RZA_IO_RegRead_16(&g_usb0_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0)
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{
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usb0_function_read_dma(pipe);
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usb0_function_disable_brdy_int(pipe);
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}
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else
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{
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USB200.D1FIFOCTR = USB_FUNCTION_BITBCLR;
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g_usb0_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE;
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}
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}
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else
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{
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if (RZA_IO_RegRead_16(&g_usb0_function_pipecfg[pipe], USB_PIPECFG_DIR_SHIFT, USB_PIPECFG_DIR) == 0)
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{
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usb0_function_read_buffer(pipe);
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}
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else
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{
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usb0_function_write_buffer(pipe);
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}
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}
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}
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}
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}
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#endif
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/*******************************************************************************
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* Function Name: usb0_function_nrdy_int
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* Description : Executes NRDY interrupt(USB_FUNCTION_PIPE1-9).
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* : Checks NRDY interrupt cause by PID. When the cause if STALL,
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* : regards the pipe state as STALL and ends the processing.
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* : Then the cause is not STALL, increments the error count to
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* : communicate again. When the error count is 3, determines
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* : the pipe state as DEVDRV_USBF_PIPE_NORES and ends the processing.
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* : This function is executed in the NRDY interrupt handler.
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* : This function clears NRDY interrupt status.
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* Arguments : uint16_t status ; NRDYSTS Register Value
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* : uint16_t int_enb ; NRDYENB Register Value
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* Return Value : none
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*******************************************************************************/
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void usb0_function_nrdy_int (uint16_t status, uint16_t int_enb)
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{
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uint16_t pid;
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uint16_t pipe;
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uint16_t bitcheck;
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bitcheck = (uint16_t)(status & int_enb);
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USB200.NRDYSTS = (uint16_t)~status;
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for (pipe = USB_FUNCTION_PIPE1; pipe <= USB_FUNCTION_MAX_PIPE_NO; pipe++)
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{
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if ((bitcheck&g_usb0_function_bit_set[pipe]) == g_usb0_function_bit_set[pipe])
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{
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if (RZA_IO_RegRead_16(&USB200.SYSCFG0, USB_SYSCFG_DCFM_SHIFT, USB_SYSCFG_DCFM) == 1)
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{
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if (g_usb0_function_pipe_status[pipe] == DEVDRV_USBF_PIPE_WAIT)
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{
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pid = usb0_function_get_pid(pipe);
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if ((pid == DEVDRV_USBF_PID_STALL) || (pid == DEVDRV_USBF_PID_STALL2))
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{
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g_usb0_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_STALL;
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}
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else
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{
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g_usb0_function_PipeIgnore[pipe]++;
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if (g_usb0_function_PipeIgnore[pipe] == 3)
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{
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g_usb0_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_NORES;
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}
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else
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{
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usb0_function_set_pid_buf(pipe);
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}
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}
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}
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}
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else
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{
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/* USB Function */
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}
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}
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}
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}
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/*******************************************************************************
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* Function Name: usb0_function_bemp_int
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* Description : Executes BEMP interrupt(USB_FUNCTION_PIPE1-9).
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* Arguments : uint16_t status ; BEMPSTS Register Value
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* : uint16_t int_enb ; BEMPENB Register Value
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* Return Value : none
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*******************************************************************************/
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void usb0_function_bemp_int (uint16_t status, uint16_t int_enb)
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{
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uint16_t pid;
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uint16_t pipe;
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uint16_t bitcheck;
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uint16_t inbuf;
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bitcheck = (uint16_t)(status & int_enb);
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USB200.BEMPSTS = (uint16_t)~status;
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for (pipe = USB_FUNCTION_PIPE1; pipe <= USB_FUNCTION_MAX_PIPE_NO; pipe++)
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{
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if ((bitcheck&g_usb0_function_bit_set[pipe]) == g_usb0_function_bit_set[pipe])
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{
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pid = usb0_function_get_pid(pipe);
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if ((pid == DEVDRV_USBF_PID_STALL) || (pid == DEVDRV_USBF_PID_STALL2))
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{
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g_usb0_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_STALL;
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}
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else
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{
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inbuf = usb0_function_get_inbuf(pipe);
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if (inbuf == 0)
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{
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usb0_function_disable_bemp_int(pipe);
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usb0_function_set_pid_nak(pipe);
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g_usb0_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE;
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}
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}
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}
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}
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}
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/* End of File */
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