1 files changed, 159 insertions, 0 deletions

diff --git a/lib/usbhost/USB_Host_Shield_2.0/cdcprolific.h b/lib/usbhost/USB_Host_Shield_2.0/cdcprolific.h
new file mode 100644
index 000000000..499146641
--- /dev/null
+++ b/lib/usbhost/USB_Host_Shield_2.0/cdcprolific.h
@@ -0,0 +1,159 @@
+/* Copyright (C) 2011 Circuits At Home, LTD. All rights reserved.
+
+This software may be distributed and modified under the terms of the GNU
+General Public License version 2 (GPL2) as published by the Free Software
+Foundation and appearing in the file GPL2.TXT included in the packaging of
+this file. Please note that GPL2 Section 2[b] requires that all works based
+on this software must also be made publicly available under the terms of
+the GPL2 ("Copyleft").
+
+Contact information
+-------------------
+
+Circuits At Home, LTD
+Web      :  http://www.circuitsathome.com
+e-mail   :  support@circuitsathome.com
+ */
+#if !defined(__CDCPROLIFIC_H__)
+#define __CDCPROLIFIC_H__
+
+#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 )
+
+//#define PL_PID                                0x0609
+
+#define PROLIFIC_REV_H                          0x0202
+#define PROLIFIC_REV_X                          0x0300
+#define PROLIFIC_REV_HX_CHIP_D                  0x0400
+#define PROLIFIC_REV_1                          0x0001
+
+#define kXOnChar                                '\x11'
+#define kXOffChar                               '\x13'
+
+#define SPECIAL_SHIFT                           (5)
+#define SPECIAL_MASK                            ((1<<SPECIAL_SHIFT) - 1)
+#define STATE_ALL                               ( PD_RS232_S_MASK | PD_S_MASK )
+#define FLOW_RX_AUTO                            ( PD_RS232_A_RFR | PD_RS232_A_DTR | PD_RS232_A_RXO )
+#define FLOW_TX_AUTO                            ( PD_RS232_A_CTS | PD_RS232_A_DSR | PD_RS232_A_TXO | PD_RS232_A_DCD )
+#define CAN_BE_AUTO                             ( FLOW_RX_AUTO | FLOW_TX_AUTO )
+#define CAN_NOTIFY                              ( PD_RS232_N_MASK )
+#define EXTERNAL_MASK                           ( PD_S_MASK | (PD_RS232_S_MASK & ~PD_RS232_S_LOOP) )
+#define INTERNAL_DELAY                          ( PD_RS232_S_LOOP )
+#define DEFAULT_AUTO                            ( PD_RS232_A_DTR | PD_RS232_A_RFR | PD_RS232_A_CTS | PD_RS232_A_DSR )
+#define DEFAULT_NOTIFY                          0x00
+#define DEFAULT_STATE                           ( PD_S_TX_ENABLE | PD_S_RX_ENABLE | PD_RS232_A_TXO | PD_RS232_A_RXO )
+
+#define CONTINUE_SEND                           1
+#define PAUSE_SEND                              2
+
+#define kRxAutoFlow                             ((UInt32)( PD_RS232_A_RFR | PD_RS232_A_DTR | PD_RS232_A_RXO ))
+#define kTxAutoFlow                             ((UInt32)( PD_RS232_A_CTS | PD_RS232_A_DSR | PD_RS232_A_TXO | PD_RS232_A_DCD ))
+#define kControl_StateMask                      ((UInt32)( PD_RS232_S_CTS | PD_RS232_S_DSR | PD_RS232_S_CAR | PD_RS232_S_RI  ))
+#define kRxQueueState                           ((UInt32)( PD_S_RXQ_EMPTY | PD_S_RXQ_LOW_WATER | PD_S_RXQ_HIGH_WATER | PD_S_RXQ_FULL ))
+#define kTxQueueState                           ((UInt32)( PD_S_TXQ_EMPTY | PD_S_TXQ_LOW_WATER | PD_S_TXQ_HIGH_WATER | PD_S_TXQ_FULL ))
+
+#define kCONTROL_DTR                            0x01
+#define kCONTROL_RTS                            0x02
+
+#define kStateTransientMask                     0x74
+#define kBreakError                             0x04
+#define kFrameError                             0x10
+#define kParityError                            0x20
+#define kOverrunError                           0x40
+
+#define kCTS                                    0x80
+#define kDSR                                    0x02
+#define kRI                                     0x08
+#define kDCD                                    0x01
+#define kHandshakeInMask                        ((UInt32)( PD_RS232_S_CTS | PD_RS232_S_DSR | PD_RS232_S_CAR | PD_RS232_S_RI  ))
+
+#define VENDOR_WRITE_REQUEST_TYPE               0x40
+#define VENDOR_WRITE_REQUEST                    0x01
+
+#define VENDOR_READ_REQUEST_TYPE                0xc0
+#define VENDOR_READ_REQUEST                     0x01
+
+// Device Configuration Registers (DCR0, DCR1, DCR2)
+#define SET_DCR0                                0x00
+#define GET_DCR0                                0x80
+#define DCR0_INIT                               0x01
+#define DCR0_INIT_H                             0x41
+#define DCR0_INIT_X                             0x61
+
+#define SET_DCR1                                0x01
+#define GET_DCR1                                0x81
+#define DCR1_INIT_H                             0x80
+#define DCR1_INIT_X                             0x00
+
+#define SET_DCR2                                0x02
+#define GET_DCR2                                0x82
+#define DCR2_INIT_H                             0x24
+#define DCR2_INIT_X                             0x44
+
+// On-chip Data Buffers:
+#define RESET_DOWNSTREAM_DATA_PIPE              0x08
+#define RESET_UPSTREAM_DATA_PIPE                0x09
+
+
+#define PL_MAX_ENDPOINTS                        4
+
+enum tXO_State {
+        kXOnSent = -2,
+        kXOffSent = -1,
+        kXO_Idle = 0,
+        kXOffNeeded = 1,
+        kXOnNeeded = 2
+};
+
+enum pl2303_type {
+        unknown,
+        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
+};
+
+
+class PL2303 : public ACM {
+        uint16_t wPLType; // Type of chip
+
+public:
+        PL2303(USB *pusb, CDCAsyncOper *pasync);
+
+        // USBDeviceConfig implementation
+        uint8_t Init(uint8_t parent, uint8_t port, bool lowspeed);
+        //virtual uint8_t Release();
+        //virtual uint8_t Poll();
+        //virtual uint8_t GetAddress() { return bAddress; };
+
+        //// 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__