airbourne/airbourne/examples/i2c_sniff/main.cpp
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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 "led.h"
35 #include "vcp.h"
36 #include "printf.h"
37 
39 
40 static void _putc(void *p, char c)
41 {
42  (void)p; // avoid compiler warning about unused variable
43  uartPtr->put_byte(c);
44 }
45 
46 int main() {
47 
48  systemInit();
49 
50  VCP vcp;
51  vcp.init();
52  uartPtr = &vcp;
54 
55  LED warn;
56  warn.init(LED1_GPIO, LED1_PIN);
57  LED info;
58  info.init(LED2_GPIO, LED2_PIN);
59 
60  warn.on();
61  I2C i2c[NUM_I2C];
62  for (int i = 0; i < NUM_I2C; i++)
63  {
64  i2c[i].init(&i2c_config[i]);
65  }
66  warn.off();
67 
68  while(1)
69  {
70  info.toggle();
71  for (int i = 0; i < NUM_I2C; i++)
72  {
73  warn.toggle();
74  for (int j = 0; j < 128; j++)
75  {
76  uint8_t data = 0;
77  int8_t result = i2c[i].write(j, 0xFF, data);
78  while(result < 0)
79  {
80  result = i2c[i].write(j, 0xFF, data);
81  }
82  if (result > 0)
83  {
84  printf("I2C%d: found device at 0x%X\n", i+1, j);
85  }
86  delay(5);
87  }
88  }
89  printf("--------------------------\n");
90  delay(1000);
91  }
92 }
void systemInit(void)
Definition: system.c:55
void toggle(void)
Definition: gpio.cpp:52
#define printf
Definition: printf.h:119
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
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
#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 init_printf(void *putp, void(*putf)(void *, char))
Definition: printf.cpp:245
int8_t write(uint8_t addr, uint8_t reg, uint8_t data, void(*callback)(uint8_t), bool blocking=false)
Definition: i2c.cpp:298
Definition: i2c.h:40
#define NULL
Definition: usbd_def.h:50
static void _putc(void *p, char c)
#define NUM_I2C
Definition: revo_f4.h:119
void off()
Definition: led.cpp:44
const i2c_hardware_struct_t i2c_config[NUM_I2C]
Definition: revo_f4.h:120
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