Paparazzi UAS  v5.2.2_stable-0-gd6b9f29
Paparazzi is a free software Unmanned Aircraft System.
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light_temt.c
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1 /*
2  * Copyright (C) 2010 Martin Mueller
3  *
4  * This file is part of paparazzi.
5  *
6  * paparazzi is free software; you can redistribute it and/or modify
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14  * GNU General Public License for more details.
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18  * the Free Software Foundation, 59 Temple Place - Suite 330,
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21  */
22 
31 #include "mcu_periph/adc.h"
32 #include "mcu_periph/uart.h"
33 #include "messages.h"
35 
36 #ifndef ADC_CHANNEL_LIGHT_TEMT
37 #define ADC_CHANNEL_LIGHT_TEMT ADC_4
38 #endif
39 
40 #ifndef ADC_CHANNEL_LIGHT_NB_SAMPLES
41 #define ADC_CHANNEL_LIGHT_NB_SAMPLES 16
42 #endif
43 
44 
46 
47 static struct adc_buf buf_light_temt;
48 
49 void light_temt_init( void ) {
51 }
52 
53 void light_temt_periodic( void ) {
54  float f_light_temt;
55 
57 
58  /* 3.6k/6.8k voltage divider, 10 bits adc */
59  f_light_temt = (adc_light_temt / 1024.) * 100.;
60 
61  DOWNLINK_SEND_TEMT_STATUS(DefaultChannel, DefaultDevice, &adc_light_temt, &f_light_temt);
62 }
63 
unsigned short uint16_t
Definition: types.h:16
#define ADC_CHANNEL_LIGHT_TEMT
Definition: light_temt.c:37
arch independent UART (Universal Asynchronous Receiver/Transmitter) API
void adc_buf_channel(uint8_t adc_channel, struct adc_buf *s, uint8_t av_nb_sample)
Registers a buffer to be used to store the specified converted channel Usage:
Definition: adc_arch.c:59
static struct adc_buf buf_light_temt
Definition: light_temt.c:47
uint8_t av_nb_sample
Definition: adc.h:57
arch independent ADC (Analog to Digital Converter) API
uint32_t sum
Definition: adc.h:54
void light_temt_periodic(void)
Definition: light_temt.c:53
Generic interface for all ADC hardware drivers, independent from microcontroller architecture.
Definition: adc.h:53
#define ADC_CHANNEL_LIGHT_NB_SAMPLES
Definition: light_temt.c:41
uint16_t adc_light_temt
Definition: light_temt.c:45
void light_temt_init(void)
Definition: light_temt.c:49