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analog/UserApplication.c
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1 /* This file has been prepared for Doxygen automatic documentation generation.*/
2 /**
3 * \file
4 *
5 * \brief
6 * This in an demo application for the ADC and DAC tests.
7 *
8 * \par Application note:
9 * AVR1610: Guide to IEC60730 Class B compliance with XMEGA
10 *
11 * \par Documentation
12 * For comprehensive code documentation, supported compilers, compiler
13 * settings and supported devices see readme.html
14 *
15 * \author
16 * Atmel Corporation: http://www.atmel.com \n
17 * Support email: avr@atmel.com
18 *
19 * Copyright (C) 2012 Atmel Corporation. All rights reserved.
20 *
21 * \page License
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions are met:
25 *
26 * 1. Redistributions of source code must retain the above copyright notice,
27 * this list of conditions and the following disclaimer.
28 *
29 * 2. Redistributions in binary form must reproduce the above copyright notice,
30 * this list of conditions and the following disclaimer in the documentation
31 * and/or other materials provided with the distribution.
32 *
33 * 3. The name of Atmel may not be used to endorse or promote products derived
34 * from this software without specific prior written permission.
35 *
36 * 4. This software may only be redistributed and used in connection with an
37 * Atmel AVR product.
38 *
39 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
40 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
41 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
42 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
43 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
44 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
45 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
46 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
47 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
48 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
49 * DAMAGE.
50 */
51
52 #include "avr_compiler.h"
53 #include "classb_analog.h"
54
55 //! \brief Global error flag
56 NO_INIT volatile uint8_t classb_error;
57
58 //! \name Board configuration
59 //@{
60 #if __AVR_ATxmega256A3BU__ | __ATxmega256A3BU__ | __DOXYGEN__
61 # define LEDPORT PORTR
62 # define SWITCHPORT0 PORTE
63 # define SWITCHPORT1 PORTF
64 # define SWITCH0_INT0_vect PORTE_INT0_vect
65 # define SWITCH1_INT0_vect PORTF_INT0_vect
66 # define XPLAIN_PULLUP 0x00
67 #elif defined(__AVR_ATxmega128A1__) | defined(__ATxmega128A1__)
68 # define LEDPORT PORTE
69 # define SWITCHPORT0 PORTF
70 # define SWITCHPORT0 PORTF
71 # define SWITCH_INT0_vect PORTF_INT0_vect
72 # define XPLAIN_PULLUP PORT_OPC_PULLUP_gc
73 #endif
74 //@}
75
76 //! \brief Setup LEDs and button.
77 void setup_led_switches_pmic() {
78
79 // Set direction and state of LEDs
80 LEDPORT.DIRSET = PIN0_bm|PIN1_bm;
81 PORTCFG.MPCMASK = PIN0_bm|PIN1_bm;
82 LEDPORT.PIN0CTRL |= PORT_INVEN_bm;
83
84 // Set sensitivity, polarity and pullup for button SW0
85 SWITCHPORT0.PIN5CTRL |= PORT_ISC_FALLING_gc | PORT_INVEN_bm;
86 SWITCHPORT0.INT0MASK |= PIN5_bm;
87 SWITCHPORT0.INTCTRL |= PORT_INT0LVL_LO_gc;
88
89 // Enable LOW level interrupts in the INT controller
90 PMIC.CTRL |= PMIC_LOLVLEN_bm;
91
92 // Turn on LED that signals correct operation.
93 LEDPORT.OUTSET = PIN0_bm;
94 }
95
96
97 int main(void)
98 {
99 // Initial setup
100 setup_led_switches_pmic();
101
102 // Interrupts enabled in the system
103 sei();
104
105 while(!classb_error)
106 {
107 // Do nothing
108 };
109
110 // If this is executed there has been an error.
111 // Turn off LED
112 LEDPORT.OUTCLR = PIN0_bm;
113 }
114
115
116 /*! \brief Interrupt for SW0 press
117 *
118 */
119 ISR(SWITCH0_INT0_vect)
120 {
121 cli();
122 // Test DAC and first ADC module
123 classb_analog_io_test(&DACB, &ADCA);
124 // Test DAC and second ADC module
125 classb_analog_io_test(&DACB, &ADCB);
126 sei();
127 }
128
129