airbourne/airbourne/examples/i2c_baro/main.cpp
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2017, James Jackson
3  *
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are met:
8  *
9  * * Redistributions of source code must retain the above copyright notice, this
10  * list of conditions and the following disclaimer.
11  *
12  * * Redistributions in binary form must reproduce the above copyright notice,
13  * this list of conditions and the following disclaimer in the documentation
14  * and/or other materials provided with the distribution.
15  *
16  * * Neither the name of the copyright holder nor the names of its
17  * contributors may be used to endorse or promote products derived from
18  * this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
23  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
26  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
27  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
28  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include "system.h"
33 #include "i2c.h"
34 #include "ms5611.h"
35 #include "led.h"
36 #include "vcp.h"
37 #include "printf.h"
38 
40 
41 static void _putc(void *p, char c)
42 {
43  (void)p; // avoid compiler warning about unused variable
44  uartPtr->put_byte(c);
45 }
46 
47 int main() {
48 
49  systemInit();
50 
51  VCP vcp;
52  vcp.init();
53  uartPtr = &vcp;
55 
56  LED warn;
57  warn.init(LED1_GPIO, LED1_PIN);
58  LED info;
59  info.init(LED2_GPIO, LED2_PIN);
60 
61  delay(500);
62 
63  info.on();
64  I2C i2c1;
66  MS5611 baro;
67 
68  baro.init(&i2c1);
69 
70  float pressure, temperature;
71  while(1)
72  {
73  baro.update();
74  if (baro.present())
75  {
76  warn.off();
77  info.toggle();
78  baro.read(&pressure, &temperature);
79  printf("%d Pa, %d.%d K\n",
80  (int32_t)(pressure),
81  (int32_t)(temperature),
82  (int32_t)(temperature*100)%100);
83 
84  delay(10);
85  }
86  else
87  {
88  warn.on();
89  printf("error\n");
90  }
91  }
92 }
void systemInit(void)
Definition: system.c:55
void toggle(void)
Definition: gpio.cpp:52
#define printf
Definition: printf.h:119
float pressure
Definition: ms4525.c:41
float temperature
Definition: ms4525.c:41
void init(GPIO_TypeDef *gpio_port, uint16_t pin)
Definition: led.cpp:34
#define LED2_PIN
Definition: revo_f4.h:134
void init(const i2c_hardware_struct_t *c)
Definition: i2c.cpp:53
Definition: ms5611.h:39
void init()
Definition: vcp.cpp:24
#define LED2_GPIO
Definition: revo_f4.h:133
Definition: led.h:38
#define LED1_GPIO
Definition: revo_f4.h:131
bool init(I2C *_i2c)
Definition: ms5611.cpp:39
#define LED1_PIN
Definition: revo_f4.h:132
void put_byte(uint8_t ch) override
Definition: vcp.cpp:106
void on()
Definition: led.cpp:39
Definition: vcp.h:20
void update()
Definition: ms5611.cpp:100
void init_printf(void *putp, void(*putf)(void *, char))
Definition: printf.cpp:245
static void _putc(void *p, char c)
#define EXTERNAL_I2C
Definition: revo_f4.h:128
Definition: i2c.h:40
bool present()
Definition: ms5611.cpp:93
#define NULL
Definition: usbd_def.h:50
void off()
Definition: led.cpp:44
const i2c_hardware_struct_t i2c_config[NUM_I2C]
Definition: revo_f4.h:120
void read(float *press, float *temp)
Definition: ms5611.cpp:388
void delay(uint32_t ms)
Definition: system.c:98


rosflight_firmware
Author(s): Daniel Koch , James Jackson
autogenerated on Thu Oct 24 2019 03:17:18