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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
/*
LUFA Library
Copyright (C) Dean Camera, 2009.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, and distribute this software
and its documentation for any purpose and without fee is hereby
granted, 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 disclaim 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 TestApp demo. This file contains the main tasks of the demo and
* is responsible for the initial application hardware configuration.
*/
#include "TestApp.h"
/* Project Tags, for reading out using the ButtLoad project */
BUTTLOADTAG(ProjName, "LUFA Test App");
BUTTLOADTAG(BuildTime, __TIME__);
BUTTLOADTAG(BuildDate, __DATE__);
BUTTLOADTAG(LUFAVersion, "LUFA V" LUFA_VERSION_STRING);
/* Scheduler Task List */
TASK_LIST
{
{ Task: TestApp_CheckJoystick, TaskStatus: TASK_RUN },
{ Task: TestApp_CheckHWB , TaskStatus: TASK_RUN },
{ Task: TestApp_CheckTemp , TaskStatus: TASK_RUN },
{ Task: USB_USBTask , TaskStatus: TASK_RUN },
};
/** Main program entry point. This routine configures the hardware required by the application, then
* starts the scheduler to run the application tasks.
*/
int main(void)
{
/* Disable watchdog if enabled by bootloader/fuses */
MCUSR &= ~(1 << WDRF);
wdt_disable();
/* Disable clock division */
clock_prescale_set(clock_div_1);
/* Hardware initialization */
SerialStream_Init(9600, false);
ADC_Init(ADC_SINGLE_CONVERSION | ADC_PRESCALE_64);
Temperature_Init();
Joystick_Init();
LEDs_Init();
HWB_Init();
/* Millisecond timer initialization, with output compare interrupt enabled */
OCR0A = 0x7D;
TCCR0A = (1 << WGM01);
TCCR0B = ((1 << CS01) | (1 << CS00));
TIMSK0 = (1 << OCIE0A);
/* Turn on interrupts */
sei();
/* Start-up message via USART */
puts_P(PSTR(ESC_RESET ESC_BG_WHITE ESC_INVERSE_ON ESC_ERASE_DISPLAY
"LUFA Demo running.\r\n" ESC_INVERSE_OFF));
/* Scheduling - routine never returns, so put this last in the main function */
Scheduler_Start();
}
/** ISR for the timer 0 compare vector. This ISR fires once each millisecond, and increments the
* scheduler tick counter.
*/
ISR(TIMER0_COMPA_vect, ISR_BLOCK)
{
/* Scheduler test - increment scheduler tick counter once each millisecond */
Scheduler_TickCounter++;
}
/** Task responsible for checking the joystick position, and displaying the joystick position onto the
* board LEDs.
*/
TASK(TestApp_CheckJoystick)
{
uint8_t JoyStatus_LCL = Joystick_GetStatus();
uint8_t LEDMask = 0;
/* Test of the Joystick - change a mask in response to joystick */
if (JoyStatus_LCL & JOY_UP)
LEDMask |= LEDS_LED1;
if (JoyStatus_LCL & JOY_DOWN)
LEDMask |= LEDS_LED2;
if (JoyStatus_LCL & JOY_LEFT)
LEDMask |= LEDS_LED3;
if (JoyStatus_LCL & JOY_RIGHT)
LEDMask |= LEDS_LED4;
if (JoyStatus_LCL & JOY_PRESS)
LEDMask = LEDS_ALL_LEDS;
/* Test of LEDs - light up in response to joystick */
LEDs_SetAllLEDs(LEDMask);
}
/** Task responsible for checking the current temperature via the temperature sensor mounted on the
* board, and displaying it through the serial USART.
*/
TASK(TestApp_CheckTemp)
{
static SchedulerDelayCounter_t DelayCounter = 10000; // Force immediate run on start-up
/* Task runs every 10000 ticks, 10 seconds for this demo */
if (Scheduler_HasDelayElapsed(10000, &DelayCounter))
{
printf_P(PSTR("Current temperature: %d Degrees Celcius\r\n\r\n"),
(int)Temperature_GetTemperature());
/* Reset the delay counter, ready to count another 10000 tick interval */
Scheduler_ResetDelay(&DelayCounter);
}
}
/** Task responsible for checking the HWB button position, and start-stopping other tasks and the USB
* interface in response to user joystick movements.
*/
TASK(TestApp_CheckHWB)
{
static SchedulerDelayCounter_t DelayCounter = 0;
static bool IsPressed;
static bool BlockingJoystickTask;
/* Check if HWB pressed (start USB) */
if (HWB_GetStatus() == true)
{
/* Debounce - check 100 ticks later to see if button is still being pressed */
if ((IsPressed == false) && (Scheduler_HasDelayElapsed(100, &DelayCounter)))
{
/* Set flag, indicating that current pressed state has been handled */
IsPressed = true;
/* First start of the USB interface permanently blocks the joystick task */
if (BlockingJoystickTask == false)
{
Scheduler_SetTaskMode(TestApp_CheckJoystick, TASK_STOP);
BlockingJoystickTask = true;
}
/* Toggle USB interface */
if (USB_IsInitialized == true)
{
USB_ShutDown();
LEDs_SetAllLEDs(LEDS_LED1);
puts_P(PSTR(ESC_BG_WHITE "USB Power Off.\r\n"));
Scheduler_SetTaskMode(TestApp_CheckTemp, TASK_RUN);
}
else
{
Scheduler_SetTaskMode(TestApp_CheckTemp, TASK_STOP);
LEDs_SetAllLEDs(LEDS_LED2 | LEDS_LED3);
puts_P(PSTR(ESC_BG_YELLOW "USB Power On.\r\n"));
USB_Init(USB_MODE_UID, USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL);
}
}
}
else
{
/* HWB not pressed - reset debounce interval counter and press handled flag */
Scheduler_ResetDelay(&DelayCounter);
IsPressed = false;
}
}
|