1 | /*
|
---|
2 | Copyright (c) 2014 Arduino. All right reserved.
|
---|
3 |
|
---|
4 | This library is free software; you can redistribute it and/or
|
---|
5 | modify it under the terms of the GNU Lesser General Public
|
---|
6 | License as published by the Free Software Foundation; either
|
---|
7 | version 2.1 of the License, or (at your option) any later version.
|
---|
8 |
|
---|
9 | This library is distributed in the hope that it will be useful,
|
---|
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
---|
12 | See the GNU Lesser General Public License for more details.
|
---|
13 |
|
---|
14 | You should have received a copy of the GNU Lesser General Public
|
---|
15 | License along with this library; if not, write to the Free Software
|
---|
16 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
---|
17 | */
|
---|
18 |
|
---|
19 | #include "Arduino.h"
|
---|
20 |
|
---|
21 | static void Interrupt_Pin3( void ) ; // Ext Int Callback in LOW mode
|
---|
22 | static void Interrupt_Pin4( void ) ; // Ext Int Callback in HIGH mode
|
---|
23 | static void Interrupt_Pin5( void ) ; // Ext Int Callback in FALLING mode
|
---|
24 | static void Interrupt_Pin6( void ) ; // Ext Int Callback in RISING mode
|
---|
25 | static void Interrupt_Pin7( void ) ; // Ext Int Callback in CHANGE mode
|
---|
26 |
|
---|
27 | static uint32_t ul_Interrupt_Pin3 = 0 ;
|
---|
28 | static uint32_t ul_Interrupt_Pin4 = 0 ;
|
---|
29 | static uint32_t ul_Interrupt_Pin5 = 0 ;
|
---|
30 | static uint32_t ul_Interrupt_Pin6 = 0 ;
|
---|
31 | static uint32_t ul_Interrupt_Pin7 = 0 ;
|
---|
32 |
|
---|
33 | int temps = 0;
|
---|
34 | int valX = 0;
|
---|
35 | int valY = 0;
|
---|
36 |
|
---|
37 |
|
---|
38 | void setup( void )
|
---|
39 | {
|
---|
40 | // Initialize the digital pin as an output.
|
---|
41 | // Pin PIN_LED has an LED connected on most Arduino boards:
|
---|
42 | //pinMode( PIN_LED, OUTPUT ) ;
|
---|
43 | //digitalWrite( PIN_LED, LOW ) ;
|
---|
44 |
|
---|
45 | // Initialize the PIN_LED2 digital pin as an output.
|
---|
46 | pinMode( PIN_LED2, OUTPUT ) ;
|
---|
47 | digitalWrite( PIN_LED2, HIGH ) ;
|
---|
48 |
|
---|
49 | // Initialize the PIN_LED3 digital pin as an output.
|
---|
50 | pinMode( PIN_LED3, OUTPUT ) ;
|
---|
51 | digitalWrite( PIN_LED3, LOW ) ;
|
---|
52 |
|
---|
53 | // Initialize the PIN 2 digital pin as an input.
|
---|
54 | pinMode( 2, INPUT ) ;
|
---|
55 |
|
---|
56 | //**********************************************
|
---|
57 | // Clock output on pin 4 for measure
|
---|
58 |
|
---|
59 | /* pinPeripheral( 4, PIO_AC_CLK ) ; // Clock Gen 0
|
---|
60 | pinPeripheral( 5, PIO_AC_CLK ) ; // Clock Gen 1
|
---|
61 | pinPeripheral( 13, PIO_AC_CLK ) ; // Clock Gen 3*/
|
---|
62 |
|
---|
63 | //**********************************************
|
---|
64 | Serial5.begin( 115200 ) ; // Output to EDBG Virtual COM Port
|
---|
65 |
|
---|
66 | // Test External Interrupt
|
---|
67 | attachInterrupt( 3, Interrupt_Pin3, LOW ) ;
|
---|
68 | attachInterrupt( 4, Interrupt_Pin4, HIGH ) ;
|
---|
69 | attachInterrupt( 5, Interrupt_Pin5, FALLING ) ;
|
---|
70 | attachInterrupt( 6, Interrupt_Pin6, RISING ) ;
|
---|
71 | attachInterrupt( 7, Interrupt_Pin7, CHANGE) ;
|
---|
72 | }
|
---|
73 |
|
---|
74 | static void led_step1( void )
|
---|
75 | {
|
---|
76 | // digitalWrite( PIN_LED, LOW ) ; // set the LED on
|
---|
77 | digitalWrite( PIN_LED2, LOW ) ; // set the red LED off
|
---|
78 | digitalWrite( PIN_LED3, HIGH ) ; // set the red LED off
|
---|
79 | }
|
---|
80 |
|
---|
81 | static void led_step2( void )
|
---|
82 | {
|
---|
83 | // digitalWrite( PIN_LED, HIGH ) ; // set the LED off
|
---|
84 | digitalWrite( PIN_LED2, HIGH ) ; // set the red LED on
|
---|
85 | digitalWrite( PIN_LED3, LOW ) ; // set the red LED on
|
---|
86 | }
|
---|
87 |
|
---|
88 | void loop( void )
|
---|
89 | {
|
---|
90 | volatile int pin_value=0 ;
|
---|
91 | static volatile uint8_t duty_cycle=0 ;
|
---|
92 | static volatile uint16_t dac_value=0 ;
|
---|
93 |
|
---|
94 | // Test digitalWrite
|
---|
95 | led_step1() ;
|
---|
96 | delay( 500 ) ; // wait for a second
|
---|
97 | led_step2() ;
|
---|
98 | delay( 500 ) ; // wait for a second
|
---|
99 |
|
---|
100 | // Test Serial output
|
---|
101 | Serial5.write( '-' ) ; // send a char
|
---|
102 | Serial5.write( "test1\n" ) ; // send a string
|
---|
103 | Serial5.write( "test2" ) ; // send another string
|
---|
104 |
|
---|
105 | // Test digitalRead: connect pin 2 to either GND or 3.3V. !!!! NOT on 5V pin !!!!
|
---|
106 | pin_value=digitalRead( 2 ) ;
|
---|
107 | Serial5.write( "pin 2 value is " ) ;
|
---|
108 | Serial5.write( (pin_value == LOW)?"LOW\n":"HIGH\n" ) ;
|
---|
109 |
|
---|
110 | duty_cycle+=8 ;//=(uint8_t)(millis() & 0xff) ;
|
---|
111 | analogWrite( 13, duty_cycle ) ;
|
---|
112 | analogWrite( 12, duty_cycle ) ;
|
---|
113 | analogWrite( 11, duty_cycle ) ;
|
---|
114 | analogWrite( 10 ,duty_cycle ) ;
|
---|
115 | analogWrite( 9, duty_cycle ) ;
|
---|
116 | analogWrite( 8, duty_cycle ) ;
|
---|
117 |
|
---|
118 | dac_value += 64;
|
---|
119 | analogWrite(A0, dac_value);
|
---|
120 |
|
---|
121 |
|
---|
122 |
|
---|
123 | Serial5.print("\r\nAnalog pins: ");
|
---|
124 |
|
---|
125 | for ( uint32_t i = A0 ; i <= A0+NUM_ANALOG_INPUTS ; i++ )
|
---|
126 | {
|
---|
127 |
|
---|
128 | int a = analogRead(i);
|
---|
129 | Serial5.print(a, DEC);
|
---|
130 | Serial5.print(" ");
|
---|
131 |
|
---|
132 | }
|
---|
133 | Serial5.println();
|
---|
134 |
|
---|
135 | Serial5.println("External interrupt pins:");
|
---|
136 | if ( ul_Interrupt_Pin3 == 1 )
|
---|
137 | {
|
---|
138 | Serial5.println( "Pin 3 triggered (LOW)" ) ;
|
---|
139 | ul_Interrupt_Pin3 = 0 ;
|
---|
140 | }
|
---|
141 |
|
---|
142 | if ( ul_Interrupt_Pin4 == 1 )
|
---|
143 | {
|
---|
144 | Serial5.println( "Pin 4 triggered (HIGH)" ) ;
|
---|
145 | ul_Interrupt_Pin4 = 0 ;
|
---|
146 | }
|
---|
147 |
|
---|
148 | if ( ul_Interrupt_Pin5 == 1 )
|
---|
149 | {
|
---|
150 | Serial5.println( "Pin 5 triggered (FALLING)" ) ;
|
---|
151 | ul_Interrupt_Pin5 = 0 ;
|
---|
152 | }
|
---|
153 |
|
---|
154 | if ( ul_Interrupt_Pin6 == 1 )
|
---|
155 | {
|
---|
156 | Serial5.println( "Pin 6 triggered (RISING)" ) ;
|
---|
157 | ul_Interrupt_Pin6 = 0 ;
|
---|
158 | }
|
---|
159 |
|
---|
160 | if ( ul_Interrupt_Pin7 == 1 )
|
---|
161 | {
|
---|
162 | Serial5.println( "Pin 7 triggered (CHANGE)" ) ;
|
---|
163 | ul_Interrupt_Pin7 = 0 ;
|
---|
164 | }
|
---|
165 | }
|
---|
166 |
|
---|
167 | // Ext Int Callback in LOW mode
|
---|
168 | static void Interrupt_Pin3( void )
|
---|
169 | {
|
---|
170 | ul_Interrupt_Pin3 = 1 ;
|
---|
171 | }
|
---|
172 |
|
---|
173 | // Ext Int Callback in HIGH mode
|
---|
174 | static void Interrupt_Pin4( void )
|
---|
175 | {
|
---|
176 | ul_Interrupt_Pin4 = 1 ;
|
---|
177 | }
|
---|
178 |
|
---|
179 | // Ext Int Callback in CHANGE mode
|
---|
180 | static void Interrupt_Pin5( void )
|
---|
181 | {
|
---|
182 | ul_Interrupt_Pin5 = 1 ;
|
---|
183 | }
|
---|
184 |
|
---|
185 | // Ext Int Callback in FALLING mode
|
---|
186 | static void Interrupt_Pin6( void )
|
---|
187 | {
|
---|
188 | ul_Interrupt_Pin6 = 1 ;
|
---|
189 | }
|
---|
190 |
|
---|
191 | // Ext Int Callback in RISING mode
|
---|
192 | static void Interrupt_Pin7( void )
|
---|
193 | {
|
---|
194 | ul_Interrupt_Pin7 = 1 ;
|
---|
195 | }
|
---|