airbourne/airbourne/examples/eeprom/main.cpp
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1 /*
2  * Copyright (c) 2017, James Jackson and Trey Henrichsen
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
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24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include "eeprom.h"
33 #include "led.h"
34 #include "mpu6000.h"
35 #include "printf.h"
36 #include "revo_f4.h"
37 #include "spi.h"
38 #include "vcp.h"
39 
40 #include <string>
41 
43 
44 static void _putc(void* p, char c)
45 {
46  (void)p; // avoid compiler warning about unused variable
47  vcpPtr->put_byte(c);
48 }
49 
50 int main()
51 {
52  systemInit();
53 
54  VCP vcp;
55  vcp.init();
56  vcpPtr = &vcp;
57 
58  struct ExampleStruct
59  {
60  int version;
61  std::string name;
62  float someOtherValue;
63  };
64  ExampleStruct data;
65 
66  // To write, uncomment this
67  data.version = 1;
68  data.someOtherValue = 3.14154f;
69  eeprom_write((&data), sizeof(data));
70 
71  // to read, uncomment this
72  eeprom_read(&data, sizeof(data));
73 
74  printf("version: %d", data.version);
75  printf("someOtherValue: %f", data.someOtherValue);
76 }
bool eeprom_write(const void *src, uint8_t len)
Definition: eeprom.cpp:48
void systemInit(void)
Definition: system.c:55
static void _putc(void *p, char c)
void init()
Definition: vcp.cpp:24
bool eeprom_read(void *dest, uint8_t len)
Definition: eeprom.cpp:42
void put_byte(uint8_t ch) override
Definition: vcp.cpp:102
Definition: vcp.h:19
#define NULL
Definition: usbd_def.h:50


rosflight_firmware
Author(s): Daniel Koch , James Jackson
autogenerated on Sat May 9 2020 03:16:52