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/***************COPYRIGHT(C) 2019 WCH. A11 rights reserved*********************
* File Name : ch32f10x_usb.c
* Author : WCH
* Version : V1.0.0
* Date : 2019/10/15
* Description : This file provides all the USB firmware functions.
*******************************************************************************/
#include "ch32f10x_usb.h"
#include "ch32f10x_rcc.h"
/******************************** USB DEVICE **********************************/
/* Endpoint address */
PUINT8 pEP0_RAM_Addr;
PUINT8 pEP1_RAM_Addr;
PUINT8 pEP2_RAM_Addr;
PUINT8 pEP3_RAM_Addr;
/*******************************************************************************
* Function Name : DelsyUs
* Description : Microsecond Delay Time.
* Input : t��Microsecond number.
* Return : None
*******************************************************************************/
void DelsyUs( UINT16 t )
{
UINT16 j,i;
for(j=0; j<t; j++)
{
for(i=0; i<4; i++)
{
__nop();
__nop();
}
}
}
/*******************************************************************************
* Function Name : DelsyMs
* Description : Millisecond Delay Time.
* Input : t��Millisecond number.
* Return : None
*******************************************************************************/
void DelsyMs( UINT16 t )
{
UINT16 i;
for(i=0; i<t; i++)
{
DelsyUs(1000);
}
}
/*******************************************************************************
* Function Name : USB_DeviceInit
* Description : Initializes USB device.
* Input : None
* Return : None
*******************************************************************************/
void USB_DeviceInit( void )
{
R8_USB_CTRL = 0x00;
EXTEN_CTRL = USBHD_IO_EN ;//| USB_5V_SEL;
R8_UEP4_1_MOD = RB_UEP4_RX_EN|RB_UEP4_TX_EN|RB_UEP1_RX_EN|RB_UEP1_TX_EN;
R8_UEP2_3_MOD = RB_UEP2_RX_EN|RB_UEP2_TX_EN|RB_UEP3_RX_EN|RB_UEP3_TX_EN;
R16_UEP0_DMA = (UINT16)(UINT32)pEP0_RAM_Addr;
R16_UEP1_DMA = (UINT16)(UINT32)pEP1_RAM_Addr;
R16_UEP2_DMA = (UINT16)(UINT32)pEP2_RAM_Addr;
R16_UEP3_DMA = (UINT16)(UINT32)pEP3_RAM_Addr;
R8_UEP0_CTRL = UEP_R_RES_ACK | UEP_T_RES_NAK;
R8_UEP1_CTRL = UEP_R_RES_ACK | UEP_T_RES_NAK | RB_UEP_AUTO_TOG;
R8_UEP2_CTRL = UEP_R_RES_ACK | UEP_T_RES_NAK | RB_UEP_AUTO_TOG;
R8_UEP3_CTRL = UEP_R_RES_ACK | UEP_T_RES_NAK | RB_UEP_AUTO_TOG;
R8_UEP4_CTRL = UEP_R_RES_ACK | UEP_T_RES_NAK;
R8_USB_INT_FG = 0xFF;
R8_USB_INT_EN = RB_UIE_SUSPEND | RB_UIE_BUS_RST | RB_UIE_TRANSFER;
R8_USB_DEV_AD = 0x00;
R8_USB_CTRL = RB_UC_DEV_PU_EN | RB_UC_INT_BUSY | RB_UC_DMA_EN;
R8_UDEV_CTRL = RB_UD_PD_DIS|RB_UD_PORT_EN;
}
/*******************************************************************************
* Function Name : Set_USBClock
* Description : Set USB clock.
* Input : None
* Return : None
*******************************************************************************/
void Set_USBClock(void)
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
RCC_USBCLKConfig(RCC_USBCLKSource_PLLCLK_1Div5); //USBclk=PLLclk/1.5=48Mhz
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_USBHD,ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USB, ENABLE);
}
/*******************************************************************************
* Function Name : DevEP1_IN_Deal
* Description : Device endpoint1 IN.
* Input : l: IN length(<64B)
* Return : None
*******************************************************************************/
void DevEP1_IN_Deal( UINT8 l )
{
R8_UEP1_T_LEN = l;
R8_UEP1_CTRL = (R8_UEP1_CTRL & ~MASK_UEP_T_RES)| UEP_T_RES_ACK;
}
/*******************************************************************************
* Function Name : DevEP2_IN_Deal
* Description : Device endpoint2 IN.
* Input : l: IN length(<64B)
* Return : None
*******************************************************************************/
void DevEP2_IN_Deal( UINT8 l )
{
R8_UEP2_T_LEN = l;
R8_UEP2_CTRL = (R8_UEP2_CTRL & ~MASK_UEP_T_RES)| UEP_T_RES_ACK;
}
/*******************************************************************************
* Function Name : DevEP3_IN_Deal
* Description : Device endpoint3 IN.
* Input : l: IN length(<64B)
* Return : None
*******************************************************************************/
void DevEP3_IN_Deal( UINT8 l )
{
R8_UEP3_T_LEN = l;
R8_UEP3_CTRL = (R8_UEP3_CTRL & ~MASK_UEP_T_RES)| UEP_T_RES_ACK;
}
/*******************************************************************************
* Function Name : DevEP4_IN_Deal
* Description : Device endpoint4 IN.
* Input : l: IN length(<64B)
* Return : None
*******************************************************************************/
void DevEP4_IN_Deal( UINT8 l )
{
R8_UEP4_T_LEN = l;
R8_UEP4_CTRL = (R8_UEP4_CTRL & ~MASK_UEP_T_RES)| UEP_T_RES_ACK;
}
/******************************** HOST DEVICE **********************************/
UINT8 UsbDevEndp0Size;
UINT8 FoundNewDev;
_RootHubDev ThisUsbDev;
PUINT8 pHOST_RX_RAM_Addr;
PUINT8 pHOST_TX_RAM_Addr;
__align(4) const UINT8 SetupGetDevDescr[] = { USB_REQ_TYP_IN, USB_GET_DESCRIPTOR, 0x00, USB_DESCR_TYP_DEVICE, 0x00, 0x00, sizeof( USB_DEV_DESCR ), 0x00 };
__align(4) const UINT8 SetupGetCfgDescr[] = { USB_REQ_TYP_IN, USB_GET_DESCRIPTOR, 0x00, USB_DESCR_TYP_CONFIG, 0x00, 0x00, 0x04, 0x00 };
__align(4) const UINT8 SetupSetUsbAddr[] = { USB_REQ_TYP_OUT, USB_SET_ADDRESS, USB_DEVICE_ADDR, 0x00, 0x00, 0x00, 0x00, 0x00 };
__align(4) const UINT8 SetupSetUsbConfig[] = { USB_REQ_TYP_OUT, USB_SET_CONFIGURATION, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
__align(4) const UINT8 SetupSetUsbInterface[] = { USB_REQ_RECIP_INTERF, USB_SET_INTERFACE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
__align(4) const UINT8 SetupClrEndpStall[] = { USB_REQ_TYP_OUT | USB_REQ_RECIP_ENDP, USB_CLEAR_FEATURE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
/*******************************************************************************
* Function Name : DisableRootHubPort( )
* Description : Disable root hub.
* Input : None
* Return : None
*******************************************************************************/
void DisableRootHubPort(void)
{
#ifdef FOR_ROOT_UDISK_ONLY
CH579DiskStatus = DISK_DISCONNECT;
#endif
#ifndef DISK_BASE_BUF_LEN
ThisUsbDev.DeviceStatus = ROOT_DEV_DISCONNECT;
ThisUsbDev.DeviceAddress = 0x00;
#endif
}
/*******************************************************************************
* Function Name : AnalyzeRootHub
* Description : Analyze root hub state.
* Input : None
* Return : Error
*******************************************************************************/
//extern __align(4) UINT8 LED_HOST_MODE;
UINT8 AnalyzeRootHub( void )
{
UINT8 s;
s = ERR_SUCCESS;
if ( R8_USB_MIS_ST & RB_UMS_DEV_ATTACH ) {
#ifdef DISK_BASE_BUF_LEN
if ( CH579DiskStatus == DISK_DISCONNECT
#else
if ( ThisUsbDev.DeviceStatus == ROOT_DEV_DISCONNECT
#endif
|| ( R8_UHOST_CTRL & RB_UH_PORT_EN ) == 0x00 ) {
DisableRootHubPort( );
#ifdef DISK_BASE_BUF_LEN
CH579DiskStatus = DISK_CONNECT;
#else
ThisUsbDev.DeviceSpeed = R8_USB_MIS_ST & RB_UMS_DM_LEVEL ? 0 : 1;
ThisUsbDev.DeviceStatus = ROOT_DEV_CONNECTED;
#endif
PRINT( "USB dev in\n" );
s = ERR_USB_CONNECT;
}
}
#ifdef DISK_BASE_BUF_LEN
else if ( CH579DiskStatus >= DISK_CONNECT ) {
#else
else if ( ThisUsbDev.DeviceStatus >= ROOT_DEV_CONNECTED ) {
#endif
DisableRootHubPort( );
PRINT( "USB dev out\n" );
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, DISABLE); //ʱ�ӹر�ʹ��
// LED_HOST_MODE = 0;
if(s == ERR_SUCCESS) s = ERR_USB_DISCON;
}
return( s );
}
/*******************************************************************************
* Function Name : SetHostUsbAddr
* Description : Set USB host address.
* Input : addr; host address.
* Return : None
*******************************************************************************/
void SetHostUsbAddr( UINT8 addr )
{
R8_USB_DEV_AD = (R8_USB_DEV_AD&RB_UDA_GP_BIT) | (addr&MASK_USB_ADDR);
}
#ifndef FOR_ROOT_UDISK_ONLY
/*******************************************************************************
* Function Name : SetUsbSpeed
* Description : Set USB speed.
* Input : FullSpeed: USB speed.
* Return : None
*******************************************************************************/
void SetUsbSpeed( UINT8 FullSpeed )
{
if ( FullSpeed )
{
R8_USB_CTRL &= ~ RB_UC_LOW_SPEED;
R8_UH_SETUP &= ~ RB_UH_PRE_PID_EN;
}
else
{
R8_USB_CTRL |= RB_UC_LOW_SPEED;
}
}
#endif
/*******************************************************************************
* Function Name : ResetRootHubPort( )
* Description : Reset root hub.
* Input : None
* Return : None
*******************************************************************************/
void ResetRootHubPort( void )
{
UsbDevEndp0Size = DEFAULT_ENDP0_SIZE;
SetHostUsbAddr( 0x00 );
R8_UHOST_CTRL &= ~RB_UH_PORT_EN;
SetUsbSpeed( 1 );
R8_UHOST_CTRL = (R8_UHOST_CTRL & ~RB_UH_LOW_SPEED) | RB_UH_BUS_RESET;
mDelaymS( 15 );
R8_UHOST_CTRL = R8_UHOST_CTRL & ~ RB_UH_BUS_RESET;
mDelayuS( 250 );
R8_USB_INT_FG = RB_UIF_DETECT;
}
/*******************************************************************************
* Function Name : EnableRootHubPort( )
* Description : Enable root hub.
* Input : None
* Return : ERROR
*******************************************************************************/
UINT8 EnableRootHubPort(void)
{
#ifdef DISK_BASE_BUF_LEN
if ( CH579DiskStatus < DISK_CONNECT ) CH579DiskStatus = DISK_CONNECT;
#else
if ( ThisUsbDev.DeviceStatus < ROOT_DEV_CONNECTED ) ThisUsbDev.DeviceStatus = ROOT_DEV_CONNECTED;
#endif
if ( R8_USB_MIS_ST & RB_UMS_DEV_ATTACH ) {
#ifndef DISK_BASE_BUF_LEN
if ( ( R8_UHOST_CTRL & RB_UH_PORT_EN ) == 0x00 ) {
ThisUsbDev.DeviceSpeed = (R8_USB_MIS_ST & RB_UMS_DM_LEVEL) ? 0 : 1;
if ( ThisUsbDev.DeviceSpeed == 0 ) R8_UHOST_CTRL |= RB_UH_LOW_SPEED;
}
#endif
R8_UHOST_CTRL |= RB_UH_PORT_EN;
return( ERR_SUCCESS );
}
return( ERR_USB_DISCON );
}
/*******************************************************************************
* Function Name : WaitUSB_Interrupt
* Description : Wait USB Interrput.
* Input : None
* Return : EEROR
*******************************************************************************/
UINT8 WaitUSB_Interrupt( void )
{
UINT16 i;
for ( i = WAIT_USB_TOUT_200US; i != 0 && (R8_USB_INT_FG&RB_UIF_TRANSFER) == 0; i -- ){;}
return( (R8_USB_INT_FG&RB_UIF_TRANSFER) ? ERR_SUCCESS : ERR_USB_UNKNOWN );
}
/*******************************************************************************
* Function Name : USBHostTransact
* Description : USB host transport transaction.
* Input : endp_pid: endpoint and PID.
* tog: Synchronization flag.
* timeout: timeout times.
* Return : EEROR:
* ERR_USB_UNKNOWN
* ERR_USB_DISCON
* ERR_USB_CONNECT
* ERR_SUCCESS
*******************************************************************************/
UINT8 USBHostTransact( UINT8 endp_pid, UINT8 tog, UINT16 timeout )
{
UINT8 TransRetry;
UINT8 s, r;
UINT16 i;
R8_UH_RX_CTRL = R8_UH_TX_CTRL = tog;
TransRetry = 0;
do {
R8_UH_EP_PID = endp_pid;
R8_USB_INT_FG = RB_UIF_TRANSFER;
for ( i = WAIT_USB_TOUT_200US; i != 0 && (R8_USB_INT_FG&RB_UIF_TRANSFER) == 0; i -- );
R8_UH_EP_PID = 0x00;
if ( (R8_USB_INT_FG&RB_UIF_TRANSFER) == 0 ) {PRINT("1");return( ERR_USB_UNKNOWN );}
if ( R8_USB_INT_FG & RB_UIF_DETECT ) {
R8_USB_INT_FG = RB_UIF_DETECT;
s = AnalyzeRootHub( );
if ( s == ERR_USB_CONNECT ) FoundNewDev = 1;
#ifdef DISK_BASE_BUF_LEN
if ( CH579DiskStatus == DISK_DISCONNECT ) return( ERR_USB_DISCON );
if ( CH579DiskStatus == DISK_CONNECT ) return( ERR_USB_CONNECT );
#else
if ( ThisUsbDev.DeviceStatus == ROOT_DEV_DISCONNECT ) return( ERR_USB_DISCON );
if ( ThisUsbDev.DeviceStatus == ROOT_DEV_CONNECTED ) return( ERR_USB_CONNECT );
#endif
mDelayuS( 200 );
}
if ( R8_USB_INT_FG & RB_UIF_TRANSFER )
{
if ( R8_USB_INT_ST & RB_UIS_TOG_OK ) return( ERR_SUCCESS );
r = R8_USB_INT_ST & MASK_UIS_H_RES;
if ( r == USB_PID_STALL ) return( r | ERR_USB_TRANSFER );
if ( r == USB_PID_NAK )
{
if ( timeout == 0 ) return( r | ERR_USB_TRANSFER );
if ( timeout < 0xFFFF ) timeout --;
-- TransRetry;
}
else switch ( endp_pid >> 4 ) {
case USB_PID_SETUP:
case USB_PID_OUT:
if ( r ) return( r | ERR_USB_TRANSFER );
break;
case USB_PID_IN:
if ( r == USB_PID_DATA0 && r == USB_PID_DATA1 ) {
}
else if ( r ) return( r | ERR_USB_TRANSFER );
break;
default:
return( ERR_USB_UNKNOWN );
break;
}
}
else {
R8_USB_INT_FG = 0xFF;
}
mDelayuS( 15 );
} while ( ++ TransRetry < 3 );
return( ERR_USB_TRANSFER );
}
/*******************************************************************************
* Function Name : HostCtrlTransfer
* Description : Host control transport.
* Input : DataBuf : Receive or send data buffer.
* RetLen : Data length.
* Return : ERR_USB_BUF_OVER IN
* ERR_SUCCESS
*******************************************************************************/
UINT8 HostCtrlTransfer( PUINT8 DataBuf, PUINT16 RetLen )
{
UINT16 RemLen = 0;
UINT8 s, RxLen, RxCnt, TxCnt;
PUINT8 pBuf;
PUINT16 pLen;
pBuf = DataBuf;
pLen = RetLen;
mDelayuS( 200 );
if ( pLen ) *pLen = 0;
R8_UH_TX_LEN = sizeof( USB_SETUP_REQ );
s = USBHostTransact( USB_PID_SETUP << 4 | 0x00, 0x00, 200000/20 );
if ( s != ERR_SUCCESS ) return( s );
R8_UH_RX_CTRL = R8_UH_TX_CTRL = RB_UH_R_TOG | RB_UH_R_AUTO_TOG | RB_UH_T_TOG | RB_UH_T_AUTO_TOG;
R8_UH_TX_LEN = 0x01;
RemLen = pSetupReq -> wLength;
if ( RemLen && pBuf )
{
if ( pSetupReq -> bRequestType & USB_REQ_TYP_IN )
{
while ( RemLen )
{
mDelayuS( 200 );
s = USBHostTransact( USB_PID_IN << 4 | 0x00, R8_UH_RX_CTRL, 200000/20 );
if ( s != ERR_SUCCESS ) return( s );
RxLen = R8_USB_RX_LEN < RemLen ? R8_USB_RX_LEN : RemLen;
RemLen -= RxLen;
if ( pLen ) *pLen += RxLen;
for ( RxCnt = 0; RxCnt != RxLen; RxCnt ++ )
{
*pBuf = pHOST_RX_RAM_Addr[ RxCnt ];
pBuf ++;
}
if ( R8_USB_RX_LEN == 0 || ( R8_USB_RX_LEN & ( UsbDevEndp0Size - 1 ) ) ) break;
}
R8_UH_TX_LEN = 0x00;
}
else
{
while ( RemLen )
{
mDelayuS( 200 );
R8_UH_TX_LEN = RemLen >= UsbDevEndp0Size ? UsbDevEndp0Size : RemLen;
for ( TxCnt = 0; TxCnt != R8_UH_TX_LEN; TxCnt ++ )
{
pHOST_TX_RAM_Addr[ TxCnt ] = *pBuf;
pBuf ++;
}
s = USBHostTransact( USB_PID_OUT << 4 | 0x00, R8_UH_TX_CTRL, 200000/20 );
if ( s != ERR_SUCCESS ) return( s );
RemLen -= R8_UH_TX_LEN;
if ( pLen ) *pLen += R8_UH_TX_LEN;
}
}
}
mDelayuS( 200 );
s = USBHostTransact( ( R8_UH_TX_LEN ? USB_PID_IN << 4 | 0x00: USB_PID_OUT << 4 | 0x00 ), RB_UH_R_TOG | RB_UH_T_TOG, 200000/20 );
if ( s != ERR_SUCCESS ) return( s );
if ( R8_UH_TX_LEN == 0 ) return( ERR_SUCCESS );
if ( R8_USB_RX_LEN == 0 ) return( ERR_SUCCESS );
return( ERR_USB_BUF_OVER );
}
/*******************************************************************************
* Function Name : CopySetupReqPkg
* Description : Copy setup request package.
* Input : pReqPkt: setup request package address.
* Return : None
*******************************************************************************/
void CopySetupReqPkg( const UINT8 *pReqPkt )
{
UINT8 i;
for ( i = 0; i != sizeof( USB_SETUP_REQ ); i ++ )
{
((PUINT8)pSetupReq)[ i ] = *pReqPkt;
pReqPkt++;
}
}
/*******************************************************************************
* Function Name : CtrlGetDeviceDescr
* Description : Get device descrptor
* Input : DataBuf: Data buffer.
* Return : ERR_USB_BUF_OVER
* ERR_SUCCESS
*******************************************************************************/
UINT8 CtrlGetDeviceDescr( PUINT8 DataBuf )
{
UINT8 s;
UINT16 len;
UsbDevEndp0Size = DEFAULT_ENDP0_SIZE;
CopySetupReqPkg( SetupGetDevDescr );
s = HostCtrlTransfer( DataBuf, &len );
if ( s != ERR_SUCCESS ) return( s );
UsbDevEndp0Size = ( (PUSB_DEV_DESCR)DataBuf ) -> bMaxPacketSize0;
if ( len < ((PUSB_SETUP_REQ)SetupGetDevDescr)->wLength ) return( ERR_USB_BUF_OVER );
return( ERR_SUCCESS );
}
/*******************************************************************************
* Function Name : CtrlGetConfigDescr
* Description : Get configration descrptor.
* Input : DataBuf: Data buffer.
* Return : ERR_USB_BUF_OVER
* ERR_SUCCESS
*******************************************************************************/
UINT8 CtrlGetConfigDescr( PUINT8 DataBuf )
{
UINT8 s;
UINT16 len;
CopySetupReqPkg( SetupGetCfgDescr );
s = HostCtrlTransfer( DataBuf, &len );
if ( s != ERR_SUCCESS ) return( s );
if ( len < ( (PUSB_SETUP_REQ)SetupGetCfgDescr ) -> wLength ) return( ERR_USB_BUF_OVER );
len = ( (PUSB_CFG_DESCR)DataBuf ) -> wTotalLength;
CopySetupReqPkg( SetupGetCfgDescr );
pSetupReq ->wLength = len;
s = HostCtrlTransfer( DataBuf, &len );
if ( s != ERR_SUCCESS ) return( s );
return( ERR_SUCCESS );
}
/*******************************************************************************
* Function Name : CtrlSetUsbAddress
* Description : Set USB device address.
* Input : addr: Device address.
* Return : ERR_SUCCESS
*******************************************************************************/
UINT8 CtrlSetUsbAddress( UINT8 addr )
{
UINT8 s;
CopySetupReqPkg( SetupSetUsbAddr );
pSetupReq -> wValue = addr;
s = HostCtrlTransfer( NULL, NULL );
if ( s != ERR_SUCCESS ) return( s );
SetHostUsbAddr( addr );
mDelaymS( 10 );
return( ERR_SUCCESS );
}
/*******************************************************************************
* Function Name : CtrlSetUsbConfig
* Description : Set usb configration.
* Input : cfg: Configration Value.
* Return : ERR_SUCCESS
*******************************************************************************/
UINT8 CtrlSetUsbConfig( UINT8 cfg )
{
CopySetupReqPkg( SetupSetUsbConfig );
pSetupReq -> wValue = cfg;
return( HostCtrlTransfer( NULL, NULL ) );
}
/*******************************************************************************
* Function Name : CtrlClearEndpStall
* Description : Clear endpoint STALL.
* Input : endp: Endpoint address.
* Return : ERR_SUCCESS
*******************************************************************************/
UINT8 CtrlClearEndpStall( UINT8 endp )
{
CopySetupReqPkg( SetupClrEndpStall );
pSetupReq -> wIndex = endp;
return( HostCtrlTransfer( NULL, NULL ) );
}
/*******************************************************************************
* Function Name : CtrlSetUsbIntercace
* Description : Set USB Interface configration.
* Input : cfg: Configration value.
* Return : ERR_SUCCESS
*******************************************************************************/
UINT8 CtrlSetUsbIntercace( UINT8 cfg )
{
CopySetupReqPkg( SetupSetUsbInterface );
pSetupReq -> wValue = cfg;
return( HostCtrlTransfer( NULL, NULL ) );
}
/*******************************************************************************
* Function Name : USB_HostInit
* Description : Initializes USB host mode.
* Input : None
* Return : None
*******************************************************************************/
void USB_HostInit( void )
{
R8_USB_CTRL = RB_UC_HOST_MODE;
R8_UHOST_CTRL = 0;
R8_USB_DEV_AD = 0x00;
EXTEN_CTRL = USBHD_IO_EN|USBD_LOWSPEED|USBD_PU_EN;//| USB_5V_SEL;
R8_UH_EP_MOD = RB_UH_EP_TX_EN | RB_UH_EP_RX_EN;
R16_UH_RX_DMA = (UINT16)(UINT32)pHOST_RX_RAM_Addr;
R16_UH_TX_DMA = (UINT16)(UINT32)pHOST_TX_RAM_Addr;
R8_UH_RX_CTRL = 0x00;
R8_UH_TX_CTRL = 0x00;
R8_USB_CTRL = RB_UC_HOST_MODE | RB_UC_INT_BUSY | RB_UC_DMA_EN;
R8_UH_SETUP = RB_UH_SOF_EN;
R8_USB_INT_FG = 0xFF;
DisableRootHubPort( );
R8_USB_INT_EN = RB_UIE_TRANSFER|RB_UIE_DETECT;
FoundNewDev = 0;
}
/*****************************************************************************
* Function Name : InitRootDevice
* Description : Initializes USB root hub.
* Input : DataBuf: Data buffer.
* Return : ERROR
*******************************************************************************/
UINT8 InitRootDevice( PUINT8 DataBuf )
{
UINT8 i, s;
UINT8 cfg, dv_cls, if_cls;
PRINT( "Reset host port\n" );
ResetRootHubPort( );
for ( i = 0, s = 0; i < 100; i ++ )
{
mDelaymS( 1 );
if ( EnableRootHubPort( ) == ERR_SUCCESS ) {
i = 0;
s ++;
if ( s > 100 ) break;
}
}
if ( i )
{
DisableRootHubPort( );
PRINT( "Disable host port because of disconnect\n" );
return( ERR_USB_DISCON );
}
SetUsbSpeed( ThisUsbDev.DeviceSpeed );
PRINT( "GetDevDescr: " );
s = CtrlGetDeviceDescr( DataBuf );
if ( s == ERR_SUCCESS )
{
for ( i = 0; i < ((PUSB_SETUP_REQ)SetupGetDevDescr)->wLength; i ++ )
PRINT( "x%02X ", (UINT16)( DataBuf[i] ) );
PRINT( "\n" );
ThisUsbDev.DeviceVID = ((PUSB_DEV_DESCR)DataBuf)->idVendor;
ThisUsbDev.DevicePID = ((PUSB_DEV_DESCR)DataBuf)->idProduct;
dv_cls = ( (PUSB_DEV_DESCR)DataBuf ) -> bDeviceClass;
s = CtrlSetUsbAddress( ((PUSB_SETUP_REQ)SetupSetUsbAddr)->wValue );
if ( s == ERR_SUCCESS )
{
ThisUsbDev.DeviceAddress = ( (PUSB_SETUP_REQ)SetupSetUsbAddr )->wValue;
PRINT( "GetCfgDescr: " );
s = CtrlGetConfigDescr( DataBuf );
if ( s == ERR_SUCCESS )
{
for ( i = 0; i < ( (PUSB_CFG_DESCR)DataBuf )->wTotalLength; i ++ )
PRINT( "x%02X ", (UINT16)( DataBuf[i] ) );
PRINT("\n");
cfg = ( (PUSB_CFG_DESCR)DataBuf )->bConfigurationValue;
if_cls = ( (PUSB_CFG_DESCR_LONG)DataBuf )->itf_descr.bInterfaceClass;
if ( (dv_cls == 0x00) && (if_cls == USB_DEV_CLASS_STORAGE)) {
#ifdef FOR_ROOT_UDISK_ONLY
CH579DiskStatus = DISK_USB_ADDR;
return( ERR_SUCCESS );
}
else return( ERR_USB_UNSUPPORT );
#else
s = CtrlSetUsbConfig( cfg );
if ( s == ERR_SUCCESS )
{
ThisUsbDev.DeviceStatus = ROOT_DEV_SUCCESS;
ThisUsbDev.DeviceType = USB_DEV_CLASS_STORAGE;
PRINT( "USB-Disk Ready\n" );
SetUsbSpeed( 1 );
return( ERR_SUCCESS );
}
}
else if ( (dv_cls == 0x00) && (if_cls == USB_DEV_CLASS_PRINTER) && ((PUSB_CFG_DESCR_LONG)DataBuf)->itf_descr.bInterfaceSubClass == 0x01 ) {
s = CtrlSetUsbConfig( cfg );
if ( s == ERR_SUCCESS ) {
ThisUsbDev.DeviceStatus = ROOT_DEV_SUCCESS;
ThisUsbDev.DeviceType = USB_DEV_CLASS_PRINTER;
PRINT( "USB-Print Ready\n" );
SetUsbSpeed( 1 );
return( ERR_SUCCESS );
}
}
else if ( (dv_cls == 0x00) && (if_cls == USB_DEV_CLASS_HID) && ((PUSB_CFG_DESCR_LONG)DataBuf)->itf_descr.bInterfaceSubClass <= 0x01 ) {
if_cls = ( (PUSB_CFG_DESCR_LONG)DataBuf ) -> itf_descr.bInterfaceProtocol;
s = CtrlSetUsbConfig( cfg );
if ( s == ERR_SUCCESS ) {
ThisUsbDev.DeviceStatus = ROOT_DEV_SUCCESS;
if ( if_cls == 1 ) {
ThisUsbDev.DeviceType = DEV_TYPE_KEYBOARD;
PRINT( "USB-Keyboard Ready\n" );
SetUsbSpeed( 1 );
return( ERR_SUCCESS );
}
else if ( if_cls == 2 ) {
ThisUsbDev.DeviceType = DEV_TYPE_MOUSE;
PRINT( "USB-Mouse Ready\n" );
SetUsbSpeed( 1 );
return( ERR_SUCCESS );
}
s = ERR_USB_UNSUPPORT;
}
}
else {
s = CtrlSetUsbConfig( cfg );
if ( s == ERR_SUCCESS ) {
ThisUsbDev.DeviceStatus = ROOT_DEV_SUCCESS;
ThisUsbDev.DeviceType = DEV_TYPE_UNKNOW;
SetUsbSpeed( 1 );
return( ERR_SUCCESS );
}
}
#endif
}
}
}
PRINT( "InitRootDev Err = %02X\n", (UINT16)s );
#ifdef FOR_ROOT_UDISK_ONLY
CH579DiskStatus = DISK_CONNECT;
#else
ThisUsbDev.DeviceStatus = ROOT_DEV_FAILED;
#endif
SetUsbSpeed( 1 );
return( s );
}
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