specchioriflesso/USB_Host_Shield_2.0
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Merge #110

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This commit is contained in:
Kristian Sloth Lauszus 2015-04-17 23:14:32 +02:00
commit 5d7ce9d022
2 changed files with 63 additions and 2 deletions
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37
cdcprolific.cpp
View file

@ -30,6 +30,9 @@ uint8_t PL2303::Init(uint8_t parent, uint8_t port, bool lowspeed) {
UsbDevice *p = NULL;
EpInfo *oldep_ptr = NULL;
uint8_t num_of_conf; // number of configurations
#ifdef PL2303_COMPAT
enum pl2303_type pltype = unknown;
#endif
AddressPool &addrPool = pUsb->GetAddressPool();
@ -69,6 +72,18 @@ uint8_t PL2303::Init(uint8_t parent, uint8_t port, bool lowspeed) {
if(udd->idVendor != PL_VID && CHECK_PID(udd->idProduct))
return USB_DEV_CONFIG_ERROR_DEVICE_NOT_SUPPORTED;
/* determine chip variant */
#ifdef PL2303_COMPAT
if(udd->bDeviceClass == 0x02 )
pltype = type_0;
else if(udd->bMaxPacketSize0 == 0x40 )
pltype = rev_HX;
else if(udd->bDeviceClass == 0x00)
pltype = type_1;
else if(udd->bDeviceClass == 0xff)
pltype = type_1;
#endif
// Save type of PL chip
wPLType = udd->bcdDevice;
@ -145,6 +160,28 @@ uint8_t PL2303::Init(uint8_t parent, uint8_t port, bool lowspeed) {
if(rcode)
goto FailSetConfDescr;
#ifdef PL2303_COMPAT
/* Shamanic dance - sending Prolific init data as-is */
vendorRead( 0x84, 0x84, 0, buf );
vendorWrite( 0x04, 0x04, 0 );
vendorRead( 0x84, 0x84, 0, buf );
vendorRead( 0x83, 0x83, 0, buf );
vendorRead( 0x84, 0x84, 0, buf );
vendorWrite( 0x04, 0x04, 1 );
vendorRead( 0x84, 0x84, 0, buf);
vendorRead( 0x83, 0x83, 0, buf);
vendorWrite( 0, 0, 1 );
vendorWrite( 1, 0, 0 );
if( pltype == rev_HX ) {
vendorWrite( 2, 0, 0x44 );
vendorWrite( 0x06, 0x06, 0 ); // From W7 init
}
else {
vendorWrite( 2, 0, 0x24 );
}
/* Shamanic dance end */
#endif
/* Calling post-init callback */
rcode = pAsync->OnInit(this);
if(rcode)

28
cdcprolific.h
View file

@ -19,6 +19,8 @@ e-mail : support@circuitsathome.com
#include "cdcacm.h"
//#define PL2303_COMPAT // Uncomment it if you have compatibility problems
#define PL_VID 0x067B
#define CHECK_PID(pid) ( pid != 0x2303 && pid != 0x0609 )
@ -109,8 +111,9 @@ enum tXO_State {
enum pl2303_type {
unknown,
type_1, /* don't know the difference between type 0 and */
rev_X, /* type 1, until someone from prolific tells us... */
type_0, /* don't know the difference between type 0 and */
type_1, /* type 1, until someone from prolific tells us... */
rev_X,
rev_HX, /* HX version of the pl2303 chip */
rev_H
};
@ -130,6 +133,27 @@ public:
//// UsbConfigXtracter implementation
//virtual void EndpointXtract(uint8_t conf, uint8_t iface, uint8_t alt, uint8_t proto, const USB_ENDPOINT_DESCRIPTOR *ep);
#ifdef PL2303_COMPAT
private:
/* Prolific proprietary requests */
uint8_t vendorRead( uint8_t val_lo, uint8_t val_hi, uint16_t index, uint8_t* buf );
uint8_t vendorWrite( uint8_t val_lo, uint8_t val_hi, uint8_t index );
#endif
};
#ifdef PL2303_COMPAT
/* vendor read request */
inline uint8_t PL2303::vendorRead( uint8_t val_lo, uint8_t val_hi, uint16_t index, uint8_t* buf )
{
return( pUsb->ctrlReq(bAddress, 0, VENDOR_READ_REQUEST_TYPE, VENDOR_READ_REQUEST, val_lo, val_hi, index, 1, 1, buf, NULL ));
}
/* vendor write request */
inline uint8_t PL2303::vendorWrite( uint8_t val_lo, uint8_t val_hi, uint8_t index )
{
return( pUsb->ctrlReq(bAddress, 0, VENDOR_WRITE_REQUEST_TYPE, VENDOR_WRITE_REQUEST, val_lo, val_hi, index, 0, 0, NULL, NULL ));
}
#endif
#endif // __CDCPROLIFIC_H__