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
|
/*
* spreadspace avr utils
*
*
* Copyright (C) 2013 Christian Pointner <equinox@spreadspace.org>
* Othmar Gsenger <otti@wirdorange.org>
*
* This file is part of spreadspace avr utils.
*
* spreadspace avr utils is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* spreadspace avr utils is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include "anyio.h"
#include <LUFA/Drivers/USB/USB.h>
#include "lufa-descriptor-usbserial.h"
#include "LUFA/Drivers/Peripheral/Serial.h"
/*
LUFA Library
Copyright (C) Dean Camera, 2012.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface =
{
.Config =
{
.ControlInterfaceNumber = 0,
.DataINEndpointNumber = CDC_TX_EPNUM,
.DataINEndpointSize = CDC_TXRX_EPSIZE,
.DataINEndpointDoubleBank = false,
.DataOUTEndpointNumber = CDC_RX_EPNUM,
.DataOUTEndpointSize = CDC_TXRX_EPSIZE,
.DataOUTEndpointDoubleBank = false,
.NotificationEndpointNumber = CDC_NOTIFICATION_EPNUM,
.NotificationEndpointSize = CDC_NOTIFICATION_EPSIZE,
.NotificationEndpointDoubleBank = false,
},
};
void EVENT_USB_Device_ConfigurationChanged(void)
{
CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface);
}
void EVENT_USB_Device_ControlRequest(void)
{
CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface);
}
/* end LUFA CDC-ACM specific definitions*/
FILE usb_stream;
FILE serial_stream;
void anyio_init(const uint32_t baudrate, const uint8_t doublespeed)
{
Serial_Init(baudrate, doublespeed);
Serial_CreateStream(&serial_stream);
USB_Init();
CDC_Device_CreateStream(&VirtualSerial_CDC_Interface,&usb_stream);
}
void anyio_task(void)
{
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
USB_USBTask();
}
int16_t anyio_bytes_received(void)
{
if(stdin == &usb_stream)
return CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface);
else
return (int16_t)Serial_IsCharReceived();
}
void EVENT_CDC_Device_ControLineStateChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
{
if(CDCInterfaceInfo->State.ControlLineStates.HostToDevice & CDC_CONTROL_LINE_OUT_DTR)
stdin = stdout = &usb_stream;
else
stdin = stdout = &serial_stream;
}
void EVENT_USB_Device_Disconnect(void)
{
stdin = stdout = &serial_stream;
}
|
