Paparazzi UAS  v4.0.4_stable-3-gf39211a
Paparazzi is a free software Unmanned Aircraft System.
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light_temt.c
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1 /*
2  * $Id: light_temt.c $
3  *
4  * Copyright (C) 2010 Martin Mueller
5  *
6  * This file is part of paparazzi.
7  *
8  * paparazzi is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2, or (at your option)
11  * any later version.
12  *
13  * paparazzi is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with paparazzi; see the file COPYING. If not, write to
20  * the Free Software Foundation, 59 Temple Place - Suite 330,
21  * Boston, MA 02111-1307, USA.
22  *
23  */
24 
33 #include "mcu_periph/adc.h"
34 #include "mcu_periph/uart.h"
35 #include "messages.h"
37 
38 #ifndef ADC_CHANNEL_LIGHT_TEMT
39 #define ADC_CHANNEL_LIGHT_TEMT ADC_4
40 #endif
41 
42 #ifndef ADC_CHANNEL_LIGHT_NB_SAMPLES
43 #define ADC_CHANNEL_LIGHT_NB_SAMPLES 16
44 #endif
45 
46 #ifndef DOWNLINK_DEVICE
47 #define DOWNLINK_DEVICE DOWNLINK_AP_DEVICE
48 #endif
49 
51 
52 static struct adc_buf buf_light_temt;
53 
54 void light_temt_init( void ) {
56 }
57 
58 void light_temt_periodic( void ) {
59  float f_light_temt;
60 
62 
63  /* 3.6k/6.8k voltage divider, 10 bits adc */
64  f_light_temt = (adc_light_temt / 1024.) * 100.;
65 
66  DOWNLINK_SEND_TEMT_STATUS(DefaultChannel, DefaultDevice, &adc_light_temt, &f_light_temt);
67 }
68 
unsigned short uint16_t
Definition: types.h:16
#define ADC_CHANNEL_LIGHT_TEMT
Definition: light_temt.c:39
arch independent UART (Universal Asynchronous Receiver/Transmitter) API
static struct adc_buf buf_light_temt
Definition: light_temt.c:52
uint8_t av_nb_sample
Definition: adc.h:64
arch independent ADC (Analog to Digital Converter) API
uint32_t sum
Definition: adc.h:61
void light_temt_periodic(void)
Definition: light_temt.c:58
Generic interface for all ADC hardware drivers, independent from microcontroller architecture.
Definition: adc.h:60
void adc_buf_channel(uint8_t adc_channel __attribute__((unused)), struct adc_buf *s __attribute__((unused)), uint8_t av_nb_sample __attribute__((unused)))
Required by infrared.c:ir_init()
Definition: jsbsim_ir.c:35
#define ADC_CHANNEL_LIGHT_NB_SAMPLES
Definition: light_temt.c:43
uint16_t adc_light_temt
Definition: light_temt.c:50
void light_temt_init(void)
Definition: light_temt.c:54