Diff: USBDevice/TARGET_RENESAS/TARGET_RZ_A1H/usb0/src/common/usb0_function_intrn.c

Revision:

46:378357d7e90d

Parent:

35:a8484e16c2f3

diff -r 0f216c4e75e5 -r 378357d7e90d USBDevice/TARGET_RENESAS/TARGET_RZ_A1H/usb0/src/common/usb0_function_intrn.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBDevice/TARGET_RENESAS/TARGET_RZ_A1H/usb0/src/common/usb0_function_intrn.c	Tue Mar 31 16:15:39 2015 +0100
@@ -0,0 +1,249 @@
+/*******************************************************************************
+* 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 */