MAV'RIC
adc_int.h
1 /*******************************************************************************
2  * Copyright (c) 2009-2014, MAV'RIC Development Team
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice,
9  * this list of conditions and the following disclaimer.
10  *
11  * 2. Redistributions in binary form must reproduce the above copyright notice,
12  * this list of conditions and the following disclaimer in the documentation
13  * and/or other materials provided with the distribution.
14  *
15  * 3. Neither the name of the copyright holder nor the names of its contributors
16  * may be used to endorse or promote products derived from this software without
17  * specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
23  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  ******************************************************************************/
31 
32 /*******************************************************************************
33  * \file adc_int.h
34  *
35  * \author MAV'RIC Team
36  * \author Felix Schill
37  *
38  * \brief This file is the Analog to Digital Converter module using interruptions
39  *
40  ******************************************************************************/
41 
42 
43 #ifndef ADC_INT_H
44 #define ADC_INT_H
45 
46 #ifdef __cplusplus
47  extern "C" {
48 #endif
49 
50 #include "preprocessor.h"
51 #include <stdint.h>
52 #include <stdbool.h>
53 #include "user_board.h"
54 #include "adcifa.h"
55 
56 
57 #define ADC_FREQUENCY 1000000
58 //#define OVERSAMPLING 8
59 //#define OVERSAMPLING_DIVIDER 2
60 
61 #define SLOTS_PER_SEQUENCER 8
62 #define MAX_CHANNELS 16
63 
64 
70 void adc_int_init(uint32_t adc_frequency, uint8_t reference_source);
71 
75 void adc_int_clear_sequencer(void);
76 
87 int8_t adc_int_sequencer_add(int16_t *buffer, uint8_t input_p, uint8_t input_n, uint8_t gain);
88 
98 void adc_int_start_sampling(int32_t length, int32_t samplingrate, int32_t set_oversampling, int32_t set_oversampling_divider, bool continuous);
99 
103 void adc_int_stop_sampling(void);
104 
110 bool adc_int_sampling_complete(void);
111 
120 int16_t adc_int_get_sample(int32_t channel, int32_t sample);
121 
127 int16_t** adc_int_get_buffer(void);
128 
134 int32_t adc_int_get_sampling_status(void);
135 
141 uint32_t adc_int_get_period(void);
142 
143 #ifdef __cplusplus
144  }
145 #endif
146 
147 #endif