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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 : usb1_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 "usb1_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 usb1_function_EnableINTModule(void);
-
-
- /*******************************************************************************
- Private global variables and functions
- *******************************************************************************/
-
-
- /*******************************************************************************
- * Function Name: usb1_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 usb1_function_InitModule (uint16_t mode)
- {
- RZA_IO_RegWrite_16(&USB201.SYSCFG0,
- 0,
- USB_SYSCFG_DCFM_SHIFT,
- USB_SYSCFG_DCFM); /* USB function */
-
- /* USB module operation enabled */
- RZA_IO_RegWrite_16(&USB201.SYSCFG0,
- 1,
- USB_SYSCFG_USBE_SHIFT,
- USB_SYSCFG_USBE);
-
- if (mode == USB_FUNCTION_HIGH_SPEED)
- {
- RZA_IO_RegWrite_16(&USB201.SYSCFG0,
- 1,
- USB_SYSCFG_HSE_SHIFT,
- USB_SYSCFG_HSE); /* Hi-Speed Mode */
- }
- else
- {
- RZA_IO_RegWrite_16(&USB201.SYSCFG0,
- 0,
- USB_SYSCFG_HSE_SHIFT,
- USB_SYSCFG_HSE);
- }
-
- /* for power-on */
- if (usb1_function_CheckVBUStaus() == DEVDRV_USBF_ON)
- {
- usb1_function_EnableINTModule(); /* Interrupt Enable */
- usb1_function_USB_FUNCTION_Attach(); /* pull-up D+ and open D- */
- }
- else
- {
- usb1_function_USB_FUNCTION_Detach(); /* USB Detach */
- /* with Interrupt Enable */
- }
- }
-
- /*******************************************************************************
- * Function Name: usb1_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 usb1_function_CheckVBUStaus (void)
- {
- uint16_t buf1;
- uint16_t buf2;
- uint16_t buf3;
-
- /* monitor VBUS pins */
- do
- {
- buf1 = RZA_IO_RegRead_16(&USB201.INTSTS0,
- USB_INTSTS0_VBSTS_SHIFT,
- USB_INTSTS0_VBSTS);
- Userdef_USB_usb1_function_delay_10us(1);
- buf2 = RZA_IO_RegRead_16(&USB201.INTSTS0,
- USB_INTSTS0_VBSTS_SHIFT,
- USB_INTSTS0_VBSTS);
- Userdef_USB_usb1_function_delay_10us(1);
- buf3 = RZA_IO_RegRead_16(&USB201.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: usb1_function_USB_FUNCTION_Attach
- * Description : Connects to the USB host controller.
- * : This function pulls up D+.
- * Arguments : none
- * Return Value : none
- *******************************************************************************/
- void usb1_function_USB_FUNCTION_Attach (void)
- {
- Userdef_USB_usb1_function_attach();
-
- Userdef_USB_usb1_function_delay_xms(10);
-
- RZA_IO_RegWrite_16(&USB201.SYSCFG0,
- 1,
- USB_SYSCFG_DPRPU_SHIFT,
- USB_SYSCFG_DPRPU); /* Pull-up D+ and open D- */
- }
-
- /*******************************************************************************
- * Function Name: usb1_function_USB_FUNCTION_Detach
- * Description : Disconnects from the USB host controller.
- * : This function opens D+/D-.
- * Arguments : none
- * Return Value : none
- *******************************************************************************/
- void usb1_function_USB_FUNCTION_Detach (void)
- {
- uint16_t pipe;
-
- Userdef_USB_usb1_function_detach();
-
- for (pipe = 0; pipe < (USB_FUNCTION_MAX_PIPE_NO + 1); ++pipe)
- {
- if (g_usb1_function_pipe_status[pipe] != DEVDRV_USBF_PIPE_IDLE)
- {
- usb1_function_stop_transfer(pipe);
- }
- }
-
- RZA_IO_RegWrite_16(&USB201.SYSCFG0,
- 0,
- USB_SYSCFG_DPRPU_SHIFT,
- USB_SYSCFG_DPRPU); /* open D+ and D- */
-
- /* Detach Recovery */
- Userdef_USB_usb1_function_delay_500ns(); /* need 1us=500ns * 2 wait */
- Userdef_USB_usb1_function_delay_500ns();
-
- RZA_IO_RegWrite_16(&USB201.SYSCFG0,
- 1,
- USB_SYSCFG_DCFM_SHIFT,
- USB_SYSCFG_DCFM);
- Userdef_USB_usb1_function_delay_500ns(); /* need 100ns wait but 500ns S/W wait */
-
- RZA_IO_RegWrite_16(&USB201.SYSCFG0,
- 0,
- USB_SYSCFG_DCFM_SHIFT,
- USB_SYSCFG_DCFM);
-
- RZA_IO_RegWrite_16(&USB201.SYSCFG0,
- 0,
- USB_SYSCFG_USBE_SHIFT,
- USB_SYSCFG_USBE); /* soft reset module */
- Userdef_USB_usb1_function_delay_500ns();
-
- RZA_IO_RegWrite_16(&USB201.SYSCFG0,
- 1,
- USB_SYSCFG_USBE_SHIFT,
- USB_SYSCFG_USBE);
-
- usb1_function_EnableINTModule(); /* Interrupt Enable */
- }
-
- /*******************************************************************************
- * Function Name: usb1_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 usb1_function_USB_FUNCTION_BusReset (void)
- {
- usb1_function_init_status(); /* memory clear */
-
- if (usb1_function_is_hispeed() == USB_FUNCTION_HIGH_SPEED)
- {
- usb1_function_ResetDescriptor(USB_FUNCTION_HIGH_SPEED); /* Device Descriptor reset */
- }
- else
- {
- usb1_function_ResetDescriptor(USB_FUNCTION_FULL_SPEED); /* Device Descriptor reset */
- }
-
- usb1_function_ResetDCP(); /* Default Control PIPE reset */
- }
- #endif
-
- /*******************************************************************************
- * Function Name: usb1_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 usb1_function_USB_FUNCTION_Resume (void)
- {
- /* NOP */
- }
- #endif
-
- /*******************************************************************************
- * Function Name: usb1_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 usb1_function_USB_FUNCTION_Suspend (void)
- {
- /* NOP */
- }
- #endif
-
- /*******************************************************************************
- * Function Name: usb1_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 usb1_function_USB_FUNCTION_TestMode (void)
- {
- switch (g_usb1_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(&USB201.TESTMODE,
- (g_usb1_function_TestModeSelectors >> 8),
- USB_TESTMODE_UTST_SHIFT,
- USB_TESTMODE_UTST);
- break;
-
- case USB_FUNCTION_FUNCTION_TEST_FORCE_ENABLE:
- default:
- break;
- }
- }
-
- /*******************************************************************************
- * Function Name: usb1_function_EnableINTModule
- * Description : Enables USB interrupt.
- * Arguments : none
- * Return Value : none
- *******************************************************************************/
- static void usb1_function_EnableINTModule (void)
- {
- uint16_t buf;
-
- buf = USB201.INTENB0;
- buf |= (USB_FUNCTION_BITVBSE | USB_FUNCTION_BITDVSE | USB_FUNCTION_BITCTRE |
- USB_FUNCTION_BITBEMPE | USB_FUNCTION_BITNRDYE | USB_FUNCTION_BITBRDYE);
- USB201.INTENB0 = buf;
-
- usb1_function_enable_bemp_int(USB_FUNCTION_PIPE0);
- }
-
- /* End of File */
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