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- /*******************************************************************************
- * DISCLAIMER
- * This software is supplied by Renesas Electronics Corporation and is only
- * intended for use with Renesas products. No other uses are authorized. This
- * software is owned by Renesas Electronics Corporation and is protected under
- * all applicable laws, including copyright laws.
- * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
- * THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
- * LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
- * AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
- * TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
- * ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
- * FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
- * ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
- * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- * Renesas reserves the right, without notice, to make changes to this software
- * and to discontinue the availability of this software. By using this software,
- * you agree to the additional terms and conditions found by accessing the
- * following link:
- * http://www.renesas.com/disclaimer
- * Copyright (C) 2012 - 2014 Renesas Electronics Corporation. All rights reserved.
- *******************************************************************************/
- /*******************************************************************************
- * File Name : usb0_host_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_host.h"
- #if(1) /* ohci_wrapp */
- #include "ohci_wrapp_RZ_A1_local.h"
- #endif
-
-
- /*******************************************************************************
- Typedef definitions
- *******************************************************************************/
-
-
- /*******************************************************************************
- Macro definitions
- *******************************************************************************/
-
-
- /*******************************************************************************
- Imported global variables and functions (from other files)
- *******************************************************************************/
-
-
- /*******************************************************************************
- Exported global variables and functions (to be accessed by other files)
- *******************************************************************************/
-
-
- /*******************************************************************************
- Private global variables and functions
- *******************************************************************************/
-
-
- /*******************************************************************************
- * Function Name: usb0_host_brdy_int
- * Description : Executes BRDY interrupt(USB_HOST_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_enb ; BRDYENB Register Value
- * Return Value : none
- *******************************************************************************/
- void usb0_host_brdy_int (uint16_t status, uint16_t int_enb)
- {
- uint32_t int_sense = 0;
- uint16_t pipe;
- uint16_t pipebit;
-
- for (pipe = USB_HOST_PIPE1; pipe <= USB_HOST_MAX_PIPE_NO; pipe++)
- {
- pipebit = g_usb0_host_bit_set[pipe];
-
- if ((status & pipebit) && (int_enb & pipebit))
- {
- USB200.BRDYSTS = (uint16_t)~pipebit;
- USB200.BEMPSTS = (uint16_t)~pipebit;
-
- if ((g_usb0_host_PipeTbl[pipe] & USB_HOST_FIFO_USE) == USB_HOST_D0FIFO_DMA)
- {
- if (g_usb0_host_DmaStatus[USB_HOST_D0FIFO] != USB_HOST_DMA_READY)
- {
- usb0_host_dma_interrupt_d0fifo(int_sense);
- }
-
- if (RZA_IO_RegRead_16(&g_usb0_host_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0)
- {
- usb0_host_read_dma(pipe);
- usb0_host_disable_brdy_int(pipe);
- }
- else
- {
- USB200.D0FIFOCTR = USB_HOST_BITBCLR;
- g_usb0_host_pipe_status[pipe] = USB_HOST_PIPE_DONE;
- }
- }
- else if ((g_usb0_host_PipeTbl[pipe] & USB_HOST_FIFO_USE) == USB_HOST_D1FIFO_DMA)
- {
- if (g_usb0_host_DmaStatus[USB_HOST_D1FIFO] != USB_HOST_DMA_READY)
- {
- usb0_host_dma_interrupt_d1fifo(int_sense);
- }
-
- if (RZA_IO_RegRead_16(&g_usb0_host_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0)
- {
- usb0_host_read_dma(pipe);
- usb0_host_disable_brdy_int(pipe);
- }
- else
- {
- USB200.D1FIFOCTR = USB_HOST_BITBCLR;
- g_usb0_host_pipe_status[pipe] = USB_HOST_PIPE_DONE;
- }
- }
- else
- {
- if (RZA_IO_RegRead_16(&g_usb0_host_pipecfg[pipe], USB_PIPECFG_DIR_SHIFT, USB_PIPECFG_DIR) == 0)
- {
- usb0_host_read_buffer(pipe);
- }
- else
- {
- usb0_host_write_buffer(pipe);
- }
- }
- #if(1) /* ohci_wrapp */
- switch (g_usb0_host_pipe_status[pipe])
- {
- case USB_HOST_PIPE_DONE:
- ohciwrapp_loc_TransEnd(pipe, TD_CC_NOERROR);
- break;
- case USB_HOST_PIPE_NORES:
- case USB_HOST_PIPE_STALL:
- case USB_HOST_PIPE_ERROR:
- ohciwrapp_loc_TransEnd(pipe, TD_CC_STALL);
- break;
- default:
- /* Do Nothing */
- break;
- }
- #endif
- }
- }
- }
-
- /*******************************************************************************
- * Function Name: usb0_host_nrdy_int
- * Description : Executes NRDY interrupt(USB_HOST_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 USB_HOST_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_host_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_HOST_PIPE1; pipe <= USB_HOST_MAX_PIPE_NO; pipe++)
- {
- if ((bitcheck&g_usb0_host_bit_set[pipe]) == g_usb0_host_bit_set[pipe])
- {
- if (RZA_IO_RegRead_16(&USB200.SYSCFG0,
- USB_SYSCFG_DCFM_SHIFT,
- USB_SYSCFG_DCFM) == 1)
- {
- if (g_usb0_host_pipe_status[pipe] == USB_HOST_PIPE_WAIT)
- {
- pid = usb0_host_get_pid(pipe);
-
- if ((pid == USB_HOST_PID_STALL) || (pid == USB_HOST_PID_STALL2))
- {
- g_usb0_host_pipe_status[pipe] = USB_HOST_PIPE_STALL;
- #if(1) /* ohci_wrapp */
- ohciwrapp_loc_TransEnd(pipe, TD_CC_STALL);
- #endif
- }
- else
- {
- #if(1) /* ohci_wrapp */
- g_usb0_host_pipe_status[pipe] = USB_HOST_PIPE_NORES;
- ohciwrapp_loc_TransEnd(pipe, TD_CC_DEVICENOTRESPONDING);
- #else
- g_usb0_host_PipeIgnore[pipe]++;
-
- if (g_usb0_host_PipeIgnore[pipe] == 3)
- {
- g_usb0_host_pipe_status[pipe] = USB_HOST_PIPE_NORES;
- }
- else
- {
- usb0_host_set_pid_buf(pipe);
- }
- #endif
- }
- }
- }
- else
- {
- /* USB Function */
- }
- }
- }
- }
-
- /*******************************************************************************
- * Function Name: usb0_host_bemp_int
- * Description : Executes BEMP interrupt(USB_HOST_PIPE1-9).
- * Arguments : uint16_t status ; BEMPSTS Register Value
- * : uint16_t int_enb ; BEMPENB Register Value
- * Return Value : none
- *******************************************************************************/
- void usb0_host_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_HOST_PIPE1; pipe <= USB_HOST_MAX_PIPE_NO; pipe++)
- {
- if ((bitcheck&g_usb0_host_bit_set[pipe]) == g_usb0_host_bit_set[pipe])
- {
- pid = usb0_host_get_pid(pipe);
-
- if ((pid == USB_HOST_PID_STALL) || (pid == USB_HOST_PID_STALL2))
- {
- g_usb0_host_pipe_status[pipe] = USB_HOST_PIPE_STALL;
- #if(1) /* ohci_wrapp */
- ohciwrapp_loc_TransEnd(pipe, TD_CC_STALL);
- #endif
- }
- else
- {
- inbuf = usb0_host_get_inbuf(pipe);
-
- if (inbuf == 0)
- {
- usb0_host_disable_bemp_int(pipe);
- usb0_host_set_pid_nak(pipe);
- g_usb0_host_pipe_status[pipe] = USB_HOST_PIPE_DONE;
- #if(1) /* ohci_wrapp */
- ohciwrapp_loc_TransEnd(pipe, TD_CC_NOERROR);
- #endif
- }
- }
- }
- }
- }
-
- /* End of File */
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