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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_host_usbsig.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_host.h"
#include "dev_drv.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_host_EnableINT_Module(void);
static void usb1_host_Enable_AttachINT(void);
static void usb1_host_Disable_AttachINT(void);
static void usb1_host_Disable_BchgINT(void);
/*******************************************************************************
Private global variables and functions
*******************************************************************************/
/*******************************************************************************
* Function Name: usb1_host_InitModule
* Description : Initializes the USB module in USB host module.
* Arguments : none
* Return Value : none
*******************************************************************************/
void usb1_host_InitModule (void)
{
uint16_t buf1;
uint16_t buf2;
uint16_t buf3;
usb1_host_init_pipe_status();
RZA_IO_RegWrite_16(&USB201.SYSCFG0,
1,
USB_SYSCFG_DCFM_SHIFT,
USB_SYSCFG_DCFM); /* HOST mode */
RZA_IO_RegWrite_16(&USB201.SYSCFG0,
1,
USB_SYSCFG_DRPD_SHIFT,
USB_SYSCFG_DRPD); /* PORT0 D+, D- setting */
do
{
buf1 = RZA_IO_RegRead_16(&USB201.SYSSTS0,
USB_SYSSTS0_LNST_SHIFT,
USB_SYSSTS0_LNST);
Userdef_USB_usb1_host_delay_xms(50);
buf2 = RZA_IO_RegRead_16(&USB201.SYSSTS0,
USB_SYSSTS0_LNST_SHIFT,
USB_SYSSTS0_LNST);
Userdef_USB_usb1_host_delay_xms(50);
buf3 = RZA_IO_RegRead_16(&USB201.SYSSTS0,
USB_SYSSTS0_LNST_SHIFT,
USB_SYSSTS0_LNST);
} while ((buf1 != buf2) || (buf1 != buf3));
RZA_IO_RegWrite_16(&USB201.SYSCFG0,
1,
USB_SYSCFG_USBE_SHIFT,
USB_SYSCFG_USBE);
USB201.CFIFOSEL = (uint16_t)(USB_HOST_BITRCNT | USB_HOST_BITMBW_8 | USB_HOST_BITBYTE_LITTLE);
USB201.D0FIFOSEL = (uint16_t)( USB_HOST_BITMBW_8 | USB_HOST_BITBYTE_LITTLE);
USB201.D1FIFOSEL = (uint16_t)( USB_HOST_BITMBW_8 | USB_HOST_BITBYTE_LITTLE);
}
/*******************************************************************************
* Function Name: usb1_host_CheckAttach
* Description : Returns the USB device connection state.
* Arguments : none
* Return Value : uint16_t ; USB_HOST_ATTACH : Attached
* : ; USB_HOST_DETACH : not Attached
*******************************************************************************/
uint16_t usb1_host_CheckAttach (void)
{
uint16_t buf1;
uint16_t buf2;
uint16_t buf3;
uint16_t rhst;
do
{
buf1 = RZA_IO_RegRead_16(&USB201.SYSSTS0,
USB_SYSSTS0_LNST_SHIFT,
USB_SYSSTS0_LNST);
Userdef_USB_usb1_host_delay_xms(50);
buf2 = RZA_IO_RegRead_16(&USB201.SYSSTS0,
USB_SYSSTS0_LNST_SHIFT,
USB_SYSSTS0_LNST);
Userdef_USB_usb1_host_delay_xms(50);
buf3 = RZA_IO_RegRead_16(&USB201.SYSSTS0,
USB_SYSSTS0_LNST_SHIFT,
USB_SYSSTS0_LNST);
} while ((buf1 != buf2) || (buf1 != buf3));
rhst = RZA_IO_RegRead_16(&USB201.DVSTCTR0,
USB_DVSTCTR0_RHST_SHIFT,
USB_DVSTCTR0_RHST);
if (rhst == USB_HOST_UNDECID)
{
if (buf1 == USB_HOST_FS_JSTS)
{
if (g_usb1_host_SupportUsbDeviceSpeed == USB_HOST_HIGH_SPEED)
{
RZA_IO_RegWrite_16(&USB201.SYSCFG0,
1,
USB_SYSCFG_HSE_SHIFT,
USB_SYSCFG_HSE);
}
else
{
RZA_IO_RegWrite_16(&USB201.SYSCFG0,
0,
USB_SYSCFG_HSE_SHIFT,
USB_SYSCFG_HSE);
}
return USB_HOST_ATTACH;
}
else if (buf1 == USB_HOST_LS_JSTS)
{
/* Low Speed Device */
RZA_IO_RegWrite_16(&USB201.SYSCFG0,
0,
USB_SYSCFG_HSE_SHIFT,
USB_SYSCFG_HSE);
return USB_HOST_ATTACH;
}
else
{
/* Do Nothing */
}
}
else if ((rhst == USB_HOST_HSMODE) || (rhst == USB_HOST_FSMODE))
{
return USB_HOST_ATTACH;
}
else if (rhst == USB_HOST_LSMODE)
{
return USB_HOST_ATTACH;
}
else
{
/* Do Nothing */
}
return USB_HOST_DETACH;
}
/*******************************************************************************
* Function Name: usb1_host_UsbAttach
* Description : Connects the USB device.
* Arguments : none
* Return Value : none
*******************************************************************************/
void usb1_host_UsbAttach (void)
{
usb1_host_EnableINT_Module();
usb1_host_Disable_BchgINT();
usb1_host_Disable_AttachINT();
usb1_host_Enable_DetachINT();
}
/*******************************************************************************
* Function Name: usb1_host_UsbDetach
* Description : Disconnects the USB device.
* Arguments : none
* Return Value : none
*******************************************************************************/
void usb1_host_UsbDetach (void)
{
uint16_t pipe;
uint16_t devadr;
g_usb1_host_driver_state = USB_HOST_DRV_DETACHED;
/* Terminate all the pipes in which communications on port */
/* are currently carried out */
for (pipe = 0; pipe < (USB_HOST_MAX_PIPE_NO + 1); ++pipe)
{
if (g_usb1_host_pipe_status[pipe] != USB_HOST_PIPE_IDLE)
{
if (pipe == USB_HOST_PIPE0)
{
devadr = RZA_IO_RegRead_16(&USB201.DCPMAXP,
USB_DCPMAXP_DEVSEL_SHIFT,
USB_DCPMAXP_DEVSEL);
}
else
{
devadr = RZA_IO_RegRead_16(&g_usb1_host_pipemaxp[pipe], USB_PIPEMAXP_DEVSEL_SHIFT, USB_PIPEMAXP_DEVSEL);
}
if (devadr == g_usb1_host_UsbAddress)
{
usb1_host_stop_transfer(pipe);
}
g_usb1_host_pipe_status[pipe] = USB_HOST_PIPE_IDLE;
}
}
g_usb1_host_ConfigNum = 0;
g_usb1_host_UsbAddress = 0;
g_usb1_host_default_max_packet[USB_HOST_DEVICE_0] = 64;
usb1_host_UsbDetach2();
}
/*******************************************************************************
* Function Name: usb1_host_UsbDetach2
* Description : Disconnects the USB device.
* Arguments : none
* Return Value : none
*******************************************************************************/
void usb1_host_UsbDetach2 (void)
{
usb1_host_Disable_DetachINT();
usb1_host_Disable_BchgINT();
usb1_host_Enable_AttachINT();
}
/*******************************************************************************
* Function Name: usb1_host_UsbBusReset
* Description : Issues the USB bus reset signal.
* Arguments : none
* Return Value : uint16_t ; RHST
*******************************************************************************/
uint16_t usb1_host_UsbBusReset (void)
{
uint16_t buffer;
uint16_t loop;
RZA_IO_RegWrite_16(&USB201.DVSTCTR0,
1,
USB_DVSTCTR0_USBRST_SHIFT,
USB_DVSTCTR0_USBRST);
RZA_IO_RegWrite_16(&USB201.DVSTCTR0,
0,
USB_DVSTCTR0_UACT_SHIFT,
USB_DVSTCTR0_UACT);
Userdef_USB_usb1_host_delay_xms(50);
buffer = USB201.DVSTCTR0;
buffer &= (uint16_t)(~(USB_HOST_BITRST));
buffer |= USB_HOST_BITUACT;
USB201.DVSTCTR0 = buffer;
Userdef_USB_usb1_host_delay_xms(20);
for (loop = 0, buffer = USB_HOST_HSPROC; loop < 3; ++loop)
{
buffer = RZA_IO_RegRead_16(&USB201.DVSTCTR0,
USB_DVSTCTR0_RHST_SHIFT,
USB_DVSTCTR0_RHST);
if (buffer == USB_HOST_HSPROC)
{
Userdef_USB_usb1_host_delay_xms(10);
}
else
{
break;
}
}
return buffer;
}
/*******************************************************************************
* Function Name: usb1_host_UsbResume
* Description : Issues the USB resume signal.
* Arguments : none
* Return Value : int32_t ; DEVDRV_SUCCESS
* : ; DEVDRV_ERROR
*******************************************************************************/
int32_t usb1_host_UsbResume (void)
{
uint16_t buf;
if ((g_usb1_host_driver_state & USB_HOST_DRV_SUSPEND) == 0)
{
/* not SUSPEND */
return DEVDRV_ERROR;
}
RZA_IO_RegWrite_16(&USB201.INTENB1,
0,
USB_INTENB1_BCHGE_SHIFT,
USB_INTENB1_BCHGE);
RZA_IO_RegWrite_16(&USB201.DVSTCTR0,
1,
USB_DVSTCTR0_RESUME_SHIFT,
USB_DVSTCTR0_RESUME);
Userdef_USB_usb1_host_delay_xms(20);
buf = USB201.DVSTCTR0;
buf &= (uint16_t)(~(USB_HOST_BITRESUME));
buf |= USB_HOST_BITUACT;
USB201.DVSTCTR0 = buf;
g_usb1_host_driver_state &= (uint16_t)~USB_HOST_DRV_SUSPEND;
return DEVDRV_SUCCESS;
}
/*******************************************************************************
* Function Name: usb1_host_UsbSuspend
* Description : Issues the USB suspend signal.
* Arguments : none
* Return Value : int32_t ; DEVDRV_SUCCESS :not SUSPEND
* : ; DEVDRV_ERROR :SUSPEND
*******************************************************************************/
int32_t usb1_host_UsbSuspend (void)
{
uint16_t buf;
if ((g_usb1_host_driver_state & USB_HOST_DRV_SUSPEND) != 0)
{
/* SUSPEND */
return DEVDRV_ERROR;
}
RZA_IO_RegWrite_16(&USB201.DVSTCTR0,
0,
USB_DVSTCTR0_UACT_SHIFT,
USB_DVSTCTR0_UACT);
Userdef_USB_usb1_host_delay_xms(5);
buf = RZA_IO_RegRead_16(&USB201.SYSSTS0,
USB_SYSSTS0_LNST_SHIFT,
USB_SYSSTS0_LNST);
if ((buf != USB_HOST_FS_JSTS) && (buf != USB_HOST_LS_JSTS))
{
usb1_host_UsbDetach();
}
else
{
g_usb1_host_driver_state |= USB_HOST_DRV_SUSPEND;
}
return DEVDRV_SUCCESS;
}
/*******************************************************************************
* Function Name: usb1_host_Enable_DetachINT
* Description : Enables the USB disconnection interrupt.
* Arguments : none
* Return Value : none
*******************************************************************************/
void usb1_host_Enable_DetachINT (void)
{
USB201.INTSTS1 = (uint16_t)(~(USB_HOST_BITDTCH));
RZA_IO_RegWrite_16(&USB201.INTENB1,
1,
USB_INTENB1_DTCHE_SHIFT,
USB_INTENB1_DTCHE);
}
/*******************************************************************************
* Function Name: usb1_host_Disable_DetachINT
* Description : Disables the USB disconnection interrupt.
* Arguments : none
* Return Value : none
*******************************************************************************/
void usb1_host_Disable_DetachINT (void)
{
USB201.INTSTS1 = (uint16_t)(~(USB_HOST_BITDTCH));
RZA_IO_RegWrite_16(&USB201.INTENB1,
0,
USB_INTENB1_DTCHE_SHIFT,
USB_INTENB1_DTCHE);
}
/*******************************************************************************
* Function Name: usb1_host_Enable_AttachINT
* Description : Enables the USB connection detection interrupt.
* Arguments : none
* Return Value : none
*******************************************************************************/
void usb1_host_Enable_AttachINT (void)
{
USB201.INTSTS1 = (uint16_t)(~(USB_HOST_BITATTCH));
RZA_IO_RegWrite_16(&USB201.INTENB1,
1,
USB_INTENB1_ATTCHE_SHIFT,
USB_INTENB1_ATTCHE);
}
/*******************************************************************************
* Function Name: usb1_host_Disable_AttachINT
* Description : Disables the USB connection detection interrupt.
* Arguments : none
* Return Value : none
*******************************************************************************/
void usb1_host_Disable_AttachINT (void)
{
USB201.INTSTS1 = (uint16_t)(~(USB_HOST_BITATTCH));
RZA_IO_RegWrite_16(&USB201.INTENB1,
0,
USB_INTENB1_ATTCHE_SHIFT,
USB_INTENB1_ATTCHE);
}
/*******************************************************************************
* Function Name: usb1_host_Disable_BchgINT
* Description : Disables the USB bus change detection interrupt.
* Arguments : none
* Return Value : none
*******************************************************************************/
void usb1_host_Disable_BchgINT (void)
{
USB201.INTSTS1 = (uint16_t)(~(USB_HOST_BITBCHG));
RZA_IO_RegWrite_16(&USB201.INTENB1,
0,
USB_INTENB1_BCHGE_SHIFT,
USB_INTENB1_BCHGE);
}
/*******************************************************************************
* Function Name: usb1_host_set_devadd
* Description : DEVADDn register is set by specified value
* Arguments : uint16_t addr : Device address
* : uint16_t *devadd : Set value
* Return Value : none
*******************************************************************************/
void usb1_host_set_devadd (uint16_t addr, uint16_t * devadd)
{
uint16_t * ptr;
uint16_t ret_flag = DEVDRV_FLAG_ON; // avoid warning.
switch (addr)
{
case USB_HOST_DEVICE_0:
ptr = (uint16_t *)&USB201.DEVADD0;
break;
case USB_HOST_DEVICE_1:
ptr = (uint16_t *)&USB201.DEVADD1;
break;
case USB_HOST_DEVICE_2:
ptr = (uint16_t *)&USB201.DEVADD2;
break;
case USB_HOST_DEVICE_3:
ptr = (uint16_t *)&USB201.DEVADD3;
break;
case USB_HOST_DEVICE_4:
ptr = (uint16_t *)&USB201.DEVADD4;
break;
case USB_HOST_DEVICE_5:
ptr = (uint16_t *)&USB201.DEVADD5;
break;
case USB_HOST_DEVICE_6:
ptr = (uint16_t *)&USB201.DEVADD6;
break;
case USB_HOST_DEVICE_7:
ptr = (uint16_t *)&USB201.DEVADD7;
break;
case USB_HOST_DEVICE_8:
ptr = (uint16_t *)&USB201.DEVADD8;
break;
case USB_HOST_DEVICE_9:
ptr = (uint16_t *)&USB201.DEVADD9;
break;
case USB_HOST_DEVICE_10:
ptr = (uint16_t *)&USB201.DEVADDA;
break;
default:
ret_flag = DEVDRV_FLAG_OFF;
break;
}
if (ret_flag == DEVDRV_FLAG_ON)
{
*ptr = (uint16_t)(*devadd & USB_HOST_DEVADD_MASK);
}
}
/*******************************************************************************
* Function Name: usb1_host_get_devadd
* Description : DEVADDn register is obtained
* Arguments : uint16_t addr : Device address
* : uint16_t *devadd : USB_HOST_DEVADD register value
* Return Value : none
*******************************************************************************/
void usb1_host_get_devadd (uint16_t addr, uint16_t * devadd)
{
uint16_t * ptr;
uint16_t ret_flag = DEVDRV_FLAG_ON; // avoid warning.
switch (addr)
{
case USB_HOST_DEVICE_0:
ptr = (uint16_t *)&USB201.DEVADD0;
break;
case USB_HOST_DEVICE_1:
ptr = (uint16_t *)&USB201.DEVADD1;
break;
case USB_HOST_DEVICE_2:
ptr = (uint16_t *)&USB201.DEVADD2;
break;
case USB_HOST_DEVICE_3:
ptr = (uint16_t *)&USB201.DEVADD3;
break;
case USB_HOST_DEVICE_4:
ptr = (uint16_t *)&USB201.DEVADD4;
break;
case USB_HOST_DEVICE_5:
ptr = (uint16_t *)&USB201.DEVADD5;
break;
case USB_HOST_DEVICE_6:
ptr = (uint16_t *)&USB201.DEVADD6;
break;
case USB_HOST_DEVICE_7:
ptr = (uint16_t *)&USB201.DEVADD7;
break;
case USB_HOST_DEVICE_8:
ptr = (uint16_t *)&USB201.DEVADD8;
break;
case USB_HOST_DEVICE_9:
ptr = (uint16_t *)&USB201.DEVADD9;
break;
case USB_HOST_DEVICE_10:
ptr = (uint16_t *)&USB201.DEVADDA;
break;
default:
ret_flag = DEVDRV_FLAG_OFF;
break;
}
if (ret_flag == DEVDRV_FLAG_ON)
{
*devadd = *ptr;
}
}
/*******************************************************************************
* Function Name: usb1_host_EnableINT_Module
* Description : Enables BEMP/NRDY/BRDY interrupt and SIGN/SACK interrupt.
* : Enables NRDY/BEMP interrupt in the pipe0.
* Arguments : none
* Return Value : none
*******************************************************************************/
void usb1_host_EnableINT_Module (void)
{
uint16_t buf;
buf = USB201.INTENB0;
buf |= (USB_HOST_BITBEMPE | USB_HOST_BITNRDYE | USB_HOST_BITBRDYE);
USB201.INTENB0 = buf;
buf = USB201.INTENB1;
buf |= (USB_HOST_BITSIGNE | USB_HOST_BITSACKE);
USB201.INTENB1 = buf;
usb1_host_enable_nrdy_int(USB_HOST_PIPE0);
usb1_host_enable_bemp_int(USB_HOST_PIPE0);
}
/* End of File */
|
