Paparazzi UAS  v5.15_devel-81-gd13dafb
Paparazzi is a free software Unmanned Aircraft System.
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baro_board.c
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1 /*
2  * Copyright (C) 2013 Felix Ruess <felix.ruess@gmail.com>
3  *
4  * This file is part of paparazzi.
5  *
6  * paparazzi is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2, or (at your option)
9  * any later version.
10  *
11  * paparazzi is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with paparazzi; see the file COPYING. If not, write to
18  * the Free Software Foundation, 59 Temple Place - Suite 330,
19  * Boston, MA 02111-1307, USA.
20  */
21 
26 #include "std.h"
27 
29 #include "peripherals/bmp085.h"
31 #include <libopencm3/stm32/gpio.h>
32 #include "subsystems/abi.h"
33 
34 #include "led.h"
35 
36 
38 
39 static bool baro_eoc(void)
40 {
41  return gpio_get(GPIOB, GPIO0);
42 }
43 
44 void baro_init(void)
45 {
47 
48  /* setup eoc check function */
50 
52  gpio_set_mode(GPIOB, GPIO_MODE_INPUT,
53  GPIO_CNF_INPUT_PULL_UPDOWN, GPIO0);
54 
55 #ifdef BARO_LED
56  LED_OFF(BARO_LED);
57 #endif
58 }
59 
60 
61 void baro_periodic(void)
62 {
65  } else {
67  }
68 }
69 
70 
71 
72 void baro_event(void)
73 {
75 
77  uint32_t now_ts = get_sys_time_usec();
78  float pressure = (float)baro_bmp085.pressure;
79  AbiSendMsgBARO_ABS(BARO_BOARD_SENDER_ID, now_ts, pressure);
80  float temp = baro_bmp085.temperature / 10.0f;
81  AbiSendMsgTEMPERATURE(BARO_BOARD_SENDER_ID, temp);
83 #ifdef BARO_LED
84  RunOnceEvery(10, LED_TOGGLE(BARO_LED));
85 #endif
86  }
87 }
#define GPIO0
Definition: gpio_def.h:31
Common barometric sensor implementation.
static void gpio_clear(ioportid_t port, uint16_t pin)
Clear a gpio output to low level.
Definition: gpio_arch.h:108
Bmp085EOC eoc
function to check End Of Conversion
Definition: bmp085.h:65
#define LED_OFF(i)
Definition: led_hw.h:52
Main include for ABI (AirBorneInterface).
struct Bmp085 baro_bmp085
Definition: baro_board.c:35
void baro_init(void)
Definition: baro_board.c:76
#define GPIOB
Definition: gpio_arch.h:35
void baro_periodic(void)
Definition: baro_board.c:90
Definition: bmp085.h:62
Bosch BMP085 driver interface.
#define BMP085_SLAVE_ADDR
Definition: bmp085_regs.h:57
void baro_event(void)
Definition: baro_board.c:72
int32_t temperature
temperature in 0.1 deg Celcius
Definition: bmp085.h:72
void bmp085_read_eeprom_calib(struct Bmp085 *bmp)
Definition: bmp085.c:73
unsigned long uint32_t
Definition: types.h:18
#define BARO_BOARD_SENDER_ID
default onboard baro
void bmp085_init(struct Bmp085 *bmp, struct i2c_periph *i2c_p, uint8_t addr)
Definition: bmp085.c:83
#define LED_TOGGLE(i)
Definition: led_hw.h:53
Bosch BMP085 register definitions.
static uint8_t gpio_get(ioportid_t port, uint16_t pin)
Get level of a gpio.
Definition: gpio_arch.h:88
int32_t pressure
pressure in Pascal
Definition: bmp085.h:73
volatile bool data_available
data ready flag
Definition: bmp085.h:68
bool initialized
config done flag
Definition: bmp085.h:67
arch independent LED (Light Emitting Diodes) API
void bmp085_periodic(struct Bmp085 *bmp)
Start new measurement if idle or read temp/pressure.
Definition: bmp085.c:108
void bmp085_event(struct Bmp085 *bmp)
Definition: bmp085.c:142
uint32_t get_sys_time_usec(void)
Get the time in microseconds since startup.
Definition: sys_time_arch.c:68
static bool baro_eoc(void)
Definition: baro_board.c:39