Diff: targets/TARGET_RENESAS/TARGET_RZ_A1H/usb0/src/function/usb0_function_sig.c

Revision:

71:53949e6131f6

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_RENESAS/TARGET_RZ_A1H/usb0/src/function/usb0_function_sig.c	Thu Jul 27 12:14:04 2017 +0100
@@ -0,0 +1,330 @@
+/*******************************************************************************
+* 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_sig.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)
+*******************************************************************************/
+static void usb0_function_EnableINTModule(void);
+
+
+/*******************************************************************************
+Private global variables and functions
+*******************************************************************************/
+
+
+/*******************************************************************************
+* Function Name: usb0_function_InitModule
+* Description  : Initializes the USB module in the USB function mode.
+* Arguments    : uint16_t mode  ; USB_FUNCTION_HIGH_SPEED ; Hi-Speed Mode
+*              :                ; other                   ; Full-speed Mode
+* Return Value : none
+*******************************************************************************/
+void usb0_function_InitModule (uint16_t mode)
+{
+    RZA_IO_RegWrite_16(&USB200.SYSCFG0,
+                        0,
+                        USB_SYSCFG_DCFM_SHIFT,
+                        USB_SYSCFG_DCFM);           /* USB function */
+
+    /* USB module operation enabled     */
+    RZA_IO_RegWrite_16(&USB200.SYSCFG0,
+                        1,
+                        USB_SYSCFG_USBE_SHIFT,
+                        USB_SYSCFG_USBE);
+
+    if (mode == USB_FUNCTION_HIGH_SPEED)
+    {
+        RZA_IO_RegWrite_16(&USB200.SYSCFG0,
+                            1,
+                            USB_SYSCFG_HSE_SHIFT,
+                            USB_SYSCFG_HSE);        /* Hi-Speed Mode */
+    }
+    else
+    {
+        RZA_IO_RegWrite_16(&USB200.SYSCFG0,
+                            0,
+                            USB_SYSCFG_HSE_SHIFT,
+                            USB_SYSCFG_HSE);
+    }
+
+    /* for power-on                     */
+    if (usb0_function_CheckVBUStaus() == DEVDRV_USBF_ON)
+    {
+        usb0_function_EnableINTModule();            /* Interrupt Enable         */
+        usb0_function_USB_FUNCTION_Attach();        /* pull-up D+ and open D-   */
+    }
+    else
+    {
+        usb0_function_USB_FUNCTION_Detach();        /* USB Detach               */
+                                                    /* with Interrupt Enable    */
+    }
+}
+
+/*******************************************************************************
+* Function Name: usb0_function_CheckVBUStaus
+* Description  : Checks the USB-VBUS state to returns the connection state to
+*              : the USB host.
+* Arguments    : none
+* Return Value : DEVDRV_USBF_ON     :   VBUS ON
+*              : DEVDRV_USBF_OFF    :   VBUS OFF
+*******************************************************************************/
+uint16_t usb0_function_CheckVBUStaus (void)
+{
+    uint16_t buf1;
+    uint16_t buf2;
+    uint16_t buf3;
+
+    /* monitor VBUS pins */
+    do
+    {
+        buf1 = RZA_IO_RegRead_16(&USB200.INTSTS0,
+                                USB_INTSTS0_VBSTS_SHIFT,
+                                USB_INTSTS0_VBSTS);
+        Userdef_USB_usb0_function_delay_10us(1);
+        buf2 = RZA_IO_RegRead_16(&USB200.INTSTS0,
+                                USB_INTSTS0_VBSTS_SHIFT,
+                                USB_INTSTS0_VBSTS);
+        Userdef_USB_usb0_function_delay_10us(1);
+        buf3 = RZA_IO_RegRead_16(&USB200.INTSTS0,
+                                USB_INTSTS0_VBSTS_SHIFT,
+                                USB_INTSTS0_VBSTS);
+    } while ((buf1 != buf2) || (buf2 != buf3));
+
+    if (buf1 == DEVDRV_USBF_OFF)
+    {
+        return DEVDRV_USBF_OFF;         /* detach */
+    }
+
+    return DEVDRV_USBF_ON;              /* attach */
+}
+
+/*******************************************************************************
+* Function Name: usb0_function_USB_FUNCTION_Attach
+* Description  : Connects to the USB host controller.
+*              : This function pulls up D+.
+* Arguments    : none
+* Return Value : none
+*******************************************************************************/
+void usb0_function_USB_FUNCTION_Attach (void)
+{
+    Userdef_USB_usb0_function_attach();
+
+    Userdef_USB_usb0_function_delay_xms(10);
+
+    RZA_IO_RegWrite_16(&USB200.SYSCFG0,
+                        1,
+                        USB_SYSCFG_DPRPU_SHIFT,
+                        USB_SYSCFG_DPRPU);      /* Pull-up D+ and open D- */
+}
+
+/*******************************************************************************
+* Function Name: usb0_function_USB_FUNCTION_Detach
+* Description  : Disconnects from the USB host controller.
+*              : This function opens D+/D-.
+* Arguments    : none
+* Return Value : none
+*******************************************************************************/
+void usb0_function_USB_FUNCTION_Detach (void)
+{
+    uint16_t pipe;
+
+    Userdef_USB_usb0_function_detach();
+
+    for (pipe = 0; pipe < (USB_FUNCTION_MAX_PIPE_NO + 1); ++pipe)
+    {
+        if (g_usb0_function_pipe_status[pipe] != DEVDRV_USBF_PIPE_IDLE)
+        {
+            usb0_function_stop_transfer(pipe);
+        }
+    }
+
+    RZA_IO_RegWrite_16(&USB200.SYSCFG0,
+                        0,
+                        USB_SYSCFG_DPRPU_SHIFT,
+                        USB_SYSCFG_DPRPU);                  /* open D+ and D- */
+
+    /* Detach Recovery */
+    Userdef_USB_usb0_function_delay_500ns();                /* need 1us=500ns * 2 wait */
+    Userdef_USB_usb0_function_delay_500ns();
+
+    RZA_IO_RegWrite_16(&USB200.SYSCFG0,
+                        1,
+                        USB_SYSCFG_DCFM_SHIFT,
+                        USB_SYSCFG_DCFM);
+    Userdef_USB_usb0_function_delay_500ns();                /* need 100ns wait but 500ns S/W wait */
+
+    RZA_IO_RegWrite_16(&USB200.SYSCFG0,
+                        0,
+                        USB_SYSCFG_DCFM_SHIFT,
+                        USB_SYSCFG_DCFM);
+
+    RZA_IO_RegWrite_16(&USB200.SYSCFG0,
+                        0,
+                        USB_SYSCFG_USBE_SHIFT,
+                        USB_SYSCFG_USBE);       /* soft reset module */
+    Userdef_USB_usb0_function_delay_500ns();
+
+    RZA_IO_RegWrite_16(&USB200.SYSCFG0,
+                        1,
+                        USB_SYSCFG_USBE_SHIFT,
+                        USB_SYSCFG_USBE);
+
+    usb0_function_EnableINTModule();            /* Interrupt Enable */
+}
+
+/*******************************************************************************
+* Function Name: usb0_function_USB_FUNCTION_BusReset
+* Description  : This function is executed when the USB device is transitioned
+*              : to POWERD_STATE. Sets the device descriptor according to the
+*              : connection speed determined by the USB reset hand shake.
+* Arguments    : none
+* Return Value : none
+*******************************************************************************/
+#if 0	/*The USBHAL in mbed does not need this function*/
+void usb0_function_USB_FUNCTION_BusReset (void)
+{
+    usb0_function_init_status();                                    /* memory clear */
+
+    if (usb0_function_is_hispeed() == USB_FUNCTION_HIGH_SPEED)
+    {
+        usb0_function_ResetDescriptor(USB_FUNCTION_HIGH_SPEED);     /* Device Descriptor reset */
+    }
+    else
+    {
+        usb0_function_ResetDescriptor(USB_FUNCTION_FULL_SPEED);     /* Device Descriptor reset */
+    }
+
+    usb0_function_ResetDCP();                                       /* Default Control PIPE reset */
+}
+#endif
+
+/*******************************************************************************
+* Function Name: usb0_function_USB_FUNCTION_Resume
+* Description  : This function is executed when the USB device detects a resume
+*              : signal.
+*              : The USB sample driver does not operate for this function.
+* Arguments    : none
+* Return Value : none
+*******************************************************************************/
+#if 0	/*The USBHAL in mbed does not need this function*/
+void usb0_function_USB_FUNCTION_Resume (void)
+{
+    /* NOP */
+}
+#endif
+
+/*******************************************************************************
+* Function Name: usb0_function_USB_FUNCTION_Suspend
+* Description  : This function is executed when the USB device detects a suspend
+*              : signal.
+*              : The USB sample driver does not operate for this function.
+* Arguments    : none
+* Return Value : none
+*******************************************************************************/
+#if 0	/*The USBHAL in mbed does not need this function*/
+void usb0_function_USB_FUNCTION_Suspend (void)
+{
+    /* NOP */
+}
+#endif
+
+/*******************************************************************************
+* Function Name: usb0_function_USB_FUNCTION_TestMode
+* Description  : This function is executed when the USB device is transitioned U
+*              : to TEST_MODE by the USB standard request.
+* Arguments    : none
+* Return Value : none
+*******************************************************************************/
+void usb0_function_USB_FUNCTION_TestMode (void)
+{
+    switch (g_usb0_function_TestModeSelectors & USB_FUNCTION_FUNCTION_TEST_SELECT)
+    {
+        case USB_FUNCTION_FUNCTION_TEST_J:
+        case USB_FUNCTION_FUNCTION_TEST_K:
+        case USB_FUNCTION_FUNCTION_TEST_SE0_NAK:
+        case USB_FUNCTION_FUNCTION_TEST_PACKET:
+            RZA_IO_RegWrite_16(&USB200.TESTMODE,
+                                (g_usb0_function_TestModeSelectors >> 8),
+                                USB_TESTMODE_UTST_SHIFT,
+                                USB_TESTMODE_UTST);
+        break;
+
+        case USB_FUNCTION_FUNCTION_TEST_FORCE_ENABLE:
+        default:
+        break;
+    }
+}
+
+/*******************************************************************************
+* Function Name: usb0_function_EnableINTModule
+* Description  : Enables USB interrupt.
+* Arguments    : none
+* Return Value : none
+*******************************************************************************/
+static void usb0_function_EnableINTModule (void)
+{
+    uint16_t buf;
+
+    buf  = USB200.INTENB0;
+    buf |= (USB_FUNCTION_BITVBSE | USB_FUNCTION_BITDVSE | USB_FUNCTION_BITCTRE |
+             USB_FUNCTION_BITBEMPE | USB_FUNCTION_BITNRDYE | USB_FUNCTION_BITBRDYE);
+    USB200.INTENB0 = buf;
+
+    usb0_function_enable_bemp_int(USB_FUNCTION_PIPE0);
+}
+
+/* End of File */