Blame view

lufa-master/Projects/RelayBoard/RelayBoard.c 3.83 KB
142ecdaf   rguillom   first commit
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
  /*
               LUFA Library
       Copyright (C) Dean Camera, 2019.
  
    dean [at] fourwalledcubicle [dot] com
             www.lufa-lib.org
  */
  
  /*
    Copyright 2010  OBinou (obconseil [at] gmail [dot] com)
    Copyright 2019  Dean Camera (dean [at] fourwalledcubicle [dot] com)
  
    Permission to use, copy, modify, distribute, and sell this
    software and its documentation for any purpose is hereby granted
    without fee, provided that the above copyright notice appear in
    all copies and that both that the copyright notice and this
    permission notice and warranty disclaimer appear in supporting
    documentation, and that the name of the author not be used in
    advertising or publicity pertaining to distribution of the
    software without specific, written prior permission.
  
    The author disclaims all warranties with regard to this
    software, including all implied warranties of merchantability
    and fitness.  In no event shall the author be liable for any
    special, indirect or consequential damages or any damages
    whatsoever resulting from loss of use, data or profits, whether
    in an action of contract, negligence or other tortious action,
    arising out of or in connection with the use or performance of
    this software.
  */
  
  /** \file
   *
   *  Main source file for the RelayBoard program. This file contains the main tasks of
   *  the project and is responsible for the initial application hardware configuration.
   */
  
  #include "RelayBoard.h"
  
  
  /** Main program entry point. This routine contains the overall program flow, including initial
   *  setup of all components and the main program loop.
   */
  int main(void)
  {
  	SetupHardware();
  
  	GlobalInterruptEnable();
  
  	for (;;)
  	  USB_USBTask();
  }
  
  /** Configures the board hardware and chip peripherals for the project's functionality. */
  void SetupHardware(void)
  {
  #if (ARCH == ARCH_AVR8)
  	/* Disable watchdog if enabled by bootloader/fuses */
  	MCUSR &= ~(1 << WDRF);
  	wdt_disable();
  
  	/* Disable clock division */
  	clock_prescale_set(clock_div_1);
  #endif
  
  	/* Hardware Initialization */
  	USB_Init();
  
  	/* Initialize Relays */
  	DDRC  |=  ALL_RELAYS;
  	PORTC &= ~ALL_RELAYS;
  }
  
  /** Event handler for the library USB Control Request reception event. */
  void EVENT_USB_Device_ControlRequest(void)
  {
      const uint8_t SerialNumber[5] = { 0, 0, 0, 0, 1 };
  	uint8_t ControlData[2]        = { 0, 0 };
  
      switch (USB_ControlRequest.bRequest)
  	{
  		case 0x09:
  			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
  			{
  				LEDs_ToggleLEDs(LEDS_LED1);
  
  				Endpoint_ClearSETUP();
  
  				Endpoint_Read_Control_Stream_LE(ControlData, sizeof(ControlData));
  				Endpoint_ClearIN();
  
  				switch (USB_ControlRequest.wValue)
  				{
  					case 0x303:
  						if (ControlData[1]) PORTC &= ~RELAY1; else PORTC |= RELAY1;
  						break;
  					case 0x306:
  						if (ControlData[1]) PORTC &= ~RELAY2; else PORTC |= RELAY2;
  						break;
  					case 0x309:
  						if (ControlData[1]) PORTC &= ~RELAY3; else PORTC |= RELAY3;
  						break;
  					case 0x30c:
  						if (ControlData[1]) PORTC &= ~RELAY4; else PORTC |= RELAY4;
  						break;
  				}
  			}
  
  			break;
  		case 0x01:
  			if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
  			{
  				LEDs_ToggleLEDs(LEDS_LED1);
  
  				Endpoint_ClearSETUP();
  
  				switch (USB_ControlRequest.wValue)
  				{
  					case 0x301:
  						Endpoint_Write_Control_Stream_LE(SerialNumber, sizeof(SerialNumber));
  						break;
  					case 0x303:
  						ControlData[1] = (PORTC & RELAY1) ? 2 : 3;
  						break;
  					case 0x306:
  						ControlData[1] = (PORTC & RELAY2) ? 2 : 3;
  						break;
  					case 0x309:
  						ControlData[1] = (PORTC & RELAY3) ? 2 : 3;
  						break;
  					case 0x30c:
  						ControlData[1] = (PORTC & RELAY4) ? 2 : 3;
  						break;
  				}
  
  				if (ControlData[1])
  				  Endpoint_Write_Control_Stream_LE(ControlData, sizeof(ControlData));
  
  				Endpoint_ClearOUT();
  			}
  
  			break;
  	}
  }