mirror of
https://github.com/openstenoproject/qmk
synced 2024-11-10 02:30:07 +00:00
145 lines
5.4 KiB
C++
145 lines
5.4 KiB
C++
/* 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(__CDCFTDI_H__)
|
|
#define __CDCFTDI_H__
|
|
|
|
#include "Usb.h"
|
|
|
|
#define bmREQ_FTDI_OUT 0x40
|
|
#define bmREQ_FTDI_IN 0xc0
|
|
|
|
//#define bmREQ_FTDI_OUT USB_SETUP_HOST_TO_DEVICE|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_INTERFACE
|
|
//#define bmREQ_FTDI_IN USB_SETUP_DEVICE_TO_HOST|USB_SETUP_TYPE_CLASS|USB_SETUP_RECIPIENT_INTERFACE
|
|
|
|
#define FTDI_VID 0x0403 // FTDI VID
|
|
#define FTDI_PID 0x6001 // FTDI PID
|
|
|
|
#define FT232AM 0x0200
|
|
#define FT232BM 0x0400
|
|
#define FT2232 0x0500
|
|
#define FT232R 0x0600
|
|
|
|
// Commands
|
|
#define FTDI_SIO_RESET 0 /* Reset the port */
|
|
#define FTDI_SIO_MODEM_CTRL 1 /* Set the modem control register */
|
|
#define FTDI_SIO_SET_FLOW_CTRL 2 /* Set flow control register */
|
|
#define FTDI_SIO_SET_BAUD_RATE 3 /* Set baud rate */
|
|
#define FTDI_SIO_SET_DATA 4 /* Set the data characteristics of the port */
|
|
#define FTDI_SIO_GET_MODEM_STATUS 5 /* Retrieve current value of modem status register */
|
|
#define FTDI_SIO_SET_EVENT_CHAR 6 /* Set the event character */
|
|
#define FTDI_SIO_SET_ERROR_CHAR 7 /* Set the error character */
|
|
|
|
#define FTDI_SIO_RESET_SIO 0
|
|
#define FTDI_SIO_RESET_PURGE_RX 1
|
|
#define FTDI_SIO_RESET_PURGE_TX 2
|
|
|
|
#define FTDI_SIO_SET_DATA_PARITY_NONE (0x0 << 8 )
|
|
#define FTDI_SIO_SET_DATA_PARITY_ODD (0x1 << 8 )
|
|
#define FTDI_SIO_SET_DATA_PARITY_EVEN (0x2 << 8 )
|
|
#define FTDI_SIO_SET_DATA_PARITY_MARK (0x3 << 8 )
|
|
#define FTDI_SIO_SET_DATA_PARITY_SPACE (0x4 << 8 )
|
|
#define FTDI_SIO_SET_DATA_STOP_BITS_1 (0x0 << 11)
|
|
#define FTDI_SIO_SET_DATA_STOP_BITS_15 (0x1 << 11)
|
|
#define FTDI_SIO_SET_DATA_STOP_BITS_2 (0x2 << 11)
|
|
#define FTDI_SIO_SET_BREAK (0x1 << 14)
|
|
|
|
#define FTDI_SIO_SET_DTR_MASK 0x1
|
|
#define FTDI_SIO_SET_DTR_HIGH ( 1 | ( FTDI_SIO_SET_DTR_MASK << 8))
|
|
#define FTDI_SIO_SET_DTR_LOW ( 0 | ( FTDI_SIO_SET_DTR_MASK << 8))
|
|
#define FTDI_SIO_SET_RTS_MASK 0x2
|
|
#define FTDI_SIO_SET_RTS_HIGH ( 2 | ( FTDI_SIO_SET_RTS_MASK << 8 ))
|
|
#define FTDI_SIO_SET_RTS_LOW ( 0 | ( FTDI_SIO_SET_RTS_MASK << 8 ))
|
|
|
|
#define FTDI_SIO_DISABLE_FLOW_CTRL 0x0
|
|
#define FTDI_SIO_RTS_CTS_HS (0x1 << 8)
|
|
#define FTDI_SIO_DTR_DSR_HS (0x2 << 8)
|
|
#define FTDI_SIO_XON_XOFF_HS (0x4 << 8)
|
|
|
|
#define FTDI_SIO_CTS_MASK 0x10
|
|
#define FTDI_SIO_DSR_MASK 0x20
|
|
#define FTDI_SIO_RI_MASK 0x40
|
|
#define FTDI_SIO_RLSD_MASK 0x80
|
|
|
|
class FTDI;
|
|
|
|
class FTDIAsyncOper {
|
|
public:
|
|
|
|
virtual uint8_t OnInit(FTDI *pftdi) {
|
|
return 0;
|
|
};
|
|
|
|
virtual uint8_t OnRelease(FTDI *pftdi) {
|
|
return 0;
|
|
};
|
|
};
|
|
|
|
|
|
// Only single port chips are currently supported by the library,
|
|
// so only three endpoints are allocated.
|
|
#define FTDI_MAX_ENDPOINTS 3
|
|
|
|
class FTDI : public USBDeviceConfig, public UsbConfigXtracter {
|
|
static const uint8_t epDataInIndex; // DataIn endpoint index
|
|
static const uint8_t epDataOutIndex; // DataOUT endpoint index
|
|
static const uint8_t epInterruptInIndex; // InterruptIN endpoint index
|
|
|
|
FTDIAsyncOper *pAsync;
|
|
USB *pUsb;
|
|
uint8_t bAddress;
|
|
uint8_t bConfNum; // configuration number
|
|
uint8_t bNumIface; // number of interfaces in the configuration
|
|
uint8_t bNumEP; // total number of EP in the configuration
|
|
uint32_t qNextPollTime; // next poll time
|
|
bool bPollEnable; // poll enable flag
|
|
uint16_t wFTDIType; // Type of FTDI chip
|
|
|
|
EpInfo epInfo[FTDI_MAX_ENDPOINTS];
|
|
|
|
void PrintEndpointDescriptor(const USB_ENDPOINT_DESCRIPTOR* ep_ptr);
|
|
|
|
public:
|
|
FTDI(USB *pusb, FTDIAsyncOper *pasync);
|
|
|
|
uint8_t SetBaudRate(uint32_t baud);
|
|
uint8_t SetModemControl(uint16_t control);
|
|
uint8_t SetFlowControl(uint8_t protocol, uint8_t xon = 0x11, uint8_t xoff = 0x13);
|
|
uint8_t SetData(uint16_t databm);
|
|
|
|
// Methods for recieving and sending data
|
|
uint8_t RcvData(uint16_t *bytes_rcvd, uint8_t *dataptr);
|
|
uint8_t SndData(uint16_t nbytes, uint8_t *dataptr);
|
|
|
|
// USBDeviceConfig implementation
|
|
uint8_t Init(uint8_t parent, uint8_t port, bool lowspeed);
|
|
uint8_t Release();
|
|
uint8_t Poll();
|
|
|
|
virtual uint8_t GetAddress() {
|
|
return bAddress;
|
|
};
|
|
|
|
// UsbConfigXtracter implementation
|
|
void EndpointXtract(uint8_t conf, uint8_t iface, uint8_t alt, uint8_t proto, const USB_ENDPOINT_DESCRIPTOR *ep);
|
|
|
|
virtual bool VIDPIDOK(uint16_t vid, uint16_t pid) {
|
|
return (vid == FTDI_VID && pid == FTDI_PID);
|
|
}
|
|
|
|
};
|
|
|
|
#endif // __CDCFTDI_H__
|