-
Notifications
You must be signed in to change notification settings - Fork 779
/
cdcftdi.h
154 lines (121 loc) · 5.85 KB
/
cdcftdi.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
/* 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 : [email protected]
*/
#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_SET_LATENCY_TIMER 9 /* Set the latency timer */
#define FTDI_SIO_GET_LATENCY_TIMER 10 /* Get the latency timer */
#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 __attribute__((unused))) {
return 0;
};
virtual uint8_t OnRelease(FTDI *pftdi __attribute__((unused))) {
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
volatile bool bPollEnable; // poll enable flag
volatile bool ready; //device ready indicator
uint16_t wFTDIType; // Type of FTDI chip
uint16_t wIdProduct; // expected PID
EpInfo epInfo[FTDI_MAX_ENDPOINTS];
void PrintEndpointDescriptor(const USB_ENDPOINT_DESCRIPTOR* ep_ptr);
public:
FTDI(USB *pusb, FTDIAsyncOper *pasync, uint16_t idProduct = FTDI_PID);
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);
uint8_t SetLatency(uint8_t l);
uint8_t GetLatency(uint8_t *l);
// Methods for receiving 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);
}
virtual bool isReady() {
return ready;
};
};
#endif // __CDCFTDI_H__