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diff --git a/lib/lufa/Demos/Device/LowLevel/DualVirtualSerial/DualVirtualSerial.c b/lib/lufa/Demos/Device/LowLevel/DualVirtualSerial/DualVirtualSerial.c
deleted file mode 100644
index b94a67dab..000000000
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1/*
2 LUFA Library
3 Copyright (C) Dean Camera, 2017.
4
5 dean [at] fourwalledcubicle [dot] com
6 www.lufa-lib.org
7*/
8
9/*
10 Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
11
12 Permission to use, copy, modify, distribute, and sell this
13 software and its documentation for any purpose is hereby granted
14 without fee, provided that the above copyright notice appear in
15 all copies and that both that the copyright notice and this
16 permission notice and warranty disclaimer appear in supporting
17 documentation, and that the name of the author not be used in
18 advertising or publicity pertaining to distribution of the
19 software without specific, written prior permission.
20
21 The author disclaims all warranties with regard to this
22 software, including all implied warranties of merchantability
23 and fitness. In no event shall the author be liable for any
24 special, indirect or consequential damages or any damages
25 whatsoever resulting from loss of use, data or profits, whether
26 in an action of contract, negligence or other tortious action,
27 arising out of or in connection with the use or performance of
28 this software.
29*/
30
31/** \file
32 *
33 * Main source file for the DualVirtualSerial demo. This file contains the main tasks of the demo and
34 * is responsible for the initial application hardware configuration.
35 */
36
37#include "DualVirtualSerial.h"
38
39/** Contains the current baud rate and other settings of the first virtual serial port. While this demo does not use
40 * the physical USART and thus does not use these settings, they must still be retained and returned to the host
41 * upon request or the host will assume the device is non-functional.
42 *
43 * These values are set by the host via a class-specific request, however they are not required to be used accurately.
44 * It is possible to completely ignore these value or use other settings as the host is completely unaware of the physical
45 * serial link characteristics and instead sends and receives data in endpoint streams.
46 */
47static CDC_LineEncoding_t LineEncoding1 = { .BaudRateBPS = 0,
48 .CharFormat = CDC_LINEENCODING_OneStopBit,
49 .ParityType = CDC_PARITY_None,
50 .DataBits = 8 };
51
52/** Contains the current baud rate and other settings of the second virtual serial port. While this demo does not use
53 * the physical USART and thus does not use these settings, they must still be retained and returned to the host
54 * upon request or the host will assume the device is non-functional.
55 *
56 * These values are set by the host via a class-specific request, however they are not required to be used accurately.
57 * It is possible to completely ignore these value or use other settings as the host is completely unaware of the physical
58 * serial link characteristics and instead sends and receives data in endpoint streams.
59 */
60static CDC_LineEncoding_t LineEncoding2 = { .BaudRateBPS = 0,
61 .CharFormat = CDC_LINEENCODING_OneStopBit,
62 .ParityType = CDC_PARITY_None,
63 .DataBits = 8 };
64
65
66/** Main program entry point. This routine configures the hardware required by the application, then
67 * enters a loop to run the application tasks in sequence.
68 */
69int main(void)
70{
71 SetupHardware();
72
73 LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
74 GlobalInterruptEnable();
75
76 for (;;)
77 {
78 CDC1_Task();
79 CDC2_Task();
80 USB_USBTask();
81 }
82}
83
84/** Configures the board hardware and chip peripherals for the demo's functionality. */
85void SetupHardware(void)
86{
87#if (ARCH == ARCH_AVR8)
88 /* Disable watchdog if enabled by bootloader/fuses */
89 MCUSR &= ~(1 << WDRF);
90 wdt_disable();
91
92 /* Disable clock division */
93 clock_prescale_set(clock_div_1);
94#elif (ARCH == ARCH_XMEGA)
95 /* Start the PLL to multiply the 2MHz RC oscillator to 32MHz and switch the CPU core to run from it */
96 XMEGACLK_StartPLL(CLOCK_SRC_INT_RC2MHZ, 2000000, F_CPU);
97 XMEGACLK_SetCPUClockSource(CLOCK_SRC_PLL);
98
99 /* Start the 32MHz internal RC oscillator and start the DFLL to increase it to 48MHz using the USB SOF as a reference */
100 XMEGACLK_StartInternalOscillator(CLOCK_SRC_INT_RC32MHZ);
101 XMEGACLK_StartDFLL(CLOCK_SRC_INT_RC32MHZ, DFLL_REF_INT_USBSOF, F_USB);
102
103 PMIC.CTRL = PMIC_LOLVLEN_bm | PMIC_MEDLVLEN_bm | PMIC_HILVLEN_bm;
104#endif
105
106 /* Hardware Initialization */
107 Joystick_Init();
108 LEDs_Init();
109 USB_Init();
110}
111
112/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and
113 * starts the library USB task to begin the enumeration and USB management process.
114 */
115void EVENT_USB_Device_Connect(void)
116{
117 /* Indicate USB enumerating */
118 LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
119}
120
121/** Event handler for the USB_Disconnect event. This indicates that the device is no longer connected to a host via
122 * the status LEDs and stops the USB management and CDC management tasks.
123 */
124void EVENT_USB_Device_Disconnect(void)
125{
126 /* Indicate USB not ready */
127 LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
128}
129
130/** Event handler for the USB_ConfigurationChanged event. This is fired when the host set the current configuration
131 * of the USB device after enumeration - the device endpoints are configured and the CDC management tasks are started.
132 */
133void EVENT_USB_Device_ConfigurationChanged(void)
134{
135 bool ConfigSuccess = true;
136
137 /* Setup first CDC Interface's Endpoints */
138 ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC1_TX_EPADDR, EP_TYPE_BULK, CDC_TXRX_EPSIZE, 1);
139 ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC1_RX_EPADDR, EP_TYPE_BULK, CDC_TXRX_EPSIZE, 1);
140 ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC1_NOTIFICATION_EPADDR, EP_TYPE_INTERRUPT, CDC_NOTIFICATION_EPSIZE, 1);
141
142 /* Setup second CDC Interface's Endpoints */
143 ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC2_TX_EPADDR, EP_TYPE_BULK, CDC_TXRX_EPSIZE, 1);
144 ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC2_RX_EPADDR, EP_TYPE_BULK, CDC_TXRX_EPSIZE, 1);
145 ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC2_NOTIFICATION_EPADDR, EP_TYPE_INTERRUPT, CDC_NOTIFICATION_EPSIZE, 1);
146
147 /* Reset line encoding baud rates so that the host knows to send new values */
148 LineEncoding1.BaudRateBPS = 0;
149 LineEncoding2.BaudRateBPS = 0;
150
151 /* Indicate endpoint configuration success or failure */
152 LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
153}
154
155/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to
156 * the device from the USB host before passing along unhandled control requests to the library for processing
157 * internally.
158 */
159void EVENT_USB_Device_ControlRequest(void)
160{
161 /* Determine which interface's Line Coding data is being set from the wIndex parameter */
162 void* LineEncodingData = (USB_ControlRequest.wIndex == 0) ? &LineEncoding1 : &LineEncoding2;
163
164 /* Process CDC specific control requests */
165 switch (USB_ControlRequest.bRequest)
166 {
167 case CDC_REQ_GetLineEncoding:
168 if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
169 {
170 Endpoint_ClearSETUP();
171
172 /* Write the line coding data to the control endpoint */
173 Endpoint_Write_Control_Stream_LE(LineEncodingData, sizeof(CDC_LineEncoding_t));
174 Endpoint_ClearOUT();
175 }
176
177 break;
178 case CDC_REQ_SetLineEncoding:
179 if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
180 {
181 Endpoint_ClearSETUP();
182
183 /* Read the line coding data in from the host into the global struct */
184 Endpoint_Read_Control_Stream_LE(LineEncodingData, sizeof(CDC_LineEncoding_t));
185 Endpoint_ClearIN();
186 }
187
188 break;
189 case CDC_REQ_SetControlLineState:
190 if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
191 {
192 Endpoint_ClearSETUP();
193 Endpoint_ClearStatusStage();
194 }
195
196 break;
197 }
198}
199
200/** Function to manage CDC data transmission and reception to and from the host for the first CDC interface, which sends joystick
201 * movements to the host as ASCII strings.
202 */
203void CDC1_Task(void)
204{
205 char* ReportString = NULL;
206 uint8_t JoyStatus_LCL = Joystick_GetStatus();
207 static bool ActionSent = false;
208
209 /* Device must be connected and configured for the task to run */
210 if (USB_DeviceState != DEVICE_STATE_Configured)
211 return;
212
213 /* Determine if a joystick action has occurred */
214 if (JoyStatus_LCL & JOY_UP)
215 ReportString = "Joystick Up\r\n";
216 else if (JoyStatus_LCL & JOY_DOWN)
217 ReportString = "Joystick Down\r\n";
218 else if (JoyStatus_LCL & JOY_LEFT)
219 ReportString = "Joystick Left\r\n";
220 else if (JoyStatus_LCL & JOY_RIGHT)
221 ReportString = "Joystick Right\r\n";
222 else if (JoyStatus_LCL & JOY_PRESS)
223 ReportString = "Joystick Pressed\r\n";
224 else
225 ActionSent = false;
226
227 /* Flag management - Only allow one string to be sent per action */
228 if ((ReportString != NULL) && (ActionSent == false) && LineEncoding1.BaudRateBPS)
229 {
230 ActionSent = true;
231
232 /* Select the Serial Tx Endpoint */
233 Endpoint_SelectEndpoint(CDC1_TX_EPADDR);
234
235 /* Write the String to the Endpoint */
236 Endpoint_Write_Stream_LE(ReportString, strlen(ReportString), NULL);
237
238 /* Finalize the stream transfer to send the last packet */
239 Endpoint_ClearIN();
240
241 /* Wait until the endpoint is ready for another packet */
242 Endpoint_WaitUntilReady();
243
244 /* Send an empty packet to ensure that the host does not buffer data sent to it */
245 Endpoint_ClearIN();
246 }
247
248 /* Select the Serial Rx Endpoint */
249 Endpoint_SelectEndpoint(CDC1_RX_EPADDR);
250
251 /* Throw away any received data from the host */
252 if (Endpoint_IsOUTReceived())
253 Endpoint_ClearOUT();
254}
255
256/** Function to manage CDC data transmission and reception to and from the host for the second CDC interface, which echoes back
257 * all data sent to it from the host.
258 */
259void CDC2_Task(void)
260{
261 /* Device must be connected and configured for the task to run */
262 if (USB_DeviceState != DEVICE_STATE_Configured)
263 return;
264
265 /* Select the Serial Rx Endpoint */
266 Endpoint_SelectEndpoint(CDC2_RX_EPADDR);
267
268 /* Check to see if any data has been received */
269 if (Endpoint_IsOUTReceived())
270 {
271 /* Create a temp buffer big enough to hold the incoming endpoint packet */
272 uint8_t Buffer[Endpoint_BytesInEndpoint()];
273
274 /* Remember how large the incoming packet is */
275 uint16_t DataLength = Endpoint_BytesInEndpoint();
276
277 /* Read in the incoming packet into the buffer */
278 Endpoint_Read_Stream_LE(&Buffer, DataLength, NULL);
279
280 /* Finalize the stream transfer to send the last packet */
281 Endpoint_ClearOUT();
282
283 /* Select the Serial Tx Endpoint */
284 Endpoint_SelectEndpoint(CDC2_TX_EPADDR);
285
286 /* Write the received data to the endpoint */
287 Endpoint_Write_Stream_LE(&Buffer, DataLength, NULL);
288
289 /* Finalize the stream transfer to send the last packet */
290 Endpoint_ClearIN();
291
292 /* Wait until the endpoint is ready for the next packet */
293 Endpoint_WaitUntilReady();
294
295 /* Send an empty packet to prevent host buffering */
296 Endpoint_ClearIN();
297 }
298}
299
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