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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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