flash.h
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1 /*
2  * Copyright (c) 2017, James Jackson and Daniel Koch, BYU MAGICC Lab
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 #pragma once
32 
33 #include <stddef.h>
34 #include <stdbool.h>
35 #include <stdint.h>
36 
37 #include <breezystm32.h>
38 
39 // #define ASSERT_CONCAT_(a, b) a##b
40 // #define ASSERT_CONCAT(a, b) ASSERT_CONCAT_(a, b)
41 // #define ct_assert(e) enum { ASSERT_CONCAT(assert_line_, __LINE__) = 1/(!!(e)) }
42 
43 // define this symbol to increase or decrease flash size. not rely on flash_size_register.
44 #ifndef FLASH_PAGE_COUNT
45 #define FLASH_PAGE_COUNT 128
46 #endif
47 
48 #define FLASH_PAGE_SIZE ((uint16_t)0x400)
49 #define NUM_PAGES 3
50 // if sizeof(_params) is over this number, compile-time error will occur. so, need to add another page to config data.
51 // TODO compile time check is currently disabled
52 #define CONFIG_SIZE (FLASH_PAGE_SIZE * NUM_PAGES)
53 
54 // static const uint8_t EEPROM_CONF_VERSION = 76;
55 //static uint32_t enabledSensors = 0;
56 //static void resetConf(void);
57 static const uint32_t FLASH_WRITE_ADDR = 0x08000000 + (FLASH_PAGE_SIZE * (FLASH_PAGE_COUNT - (CONFIG_SIZE / 1024)));
58 
59 
63 void initEEPROM(void);
64 
71 bool readEEPROM(void *dest, size_t len);
72 
79 bool writeEEPROM(const void *src, size_t len);
bool readEEPROM(void *dest, size_t len)
Read data from Flash.
Definition: flash.c:54
#define FLASH_PAGE_COUNT
Definition: flash.h:45
#define CONFIG_SIZE
Definition: flash.h:52
void initEEPROM(void)
Initialize Flash.
Definition: flash.c:37
static const uint32_t FLASH_WRITE_ADDR
Definition: flash.h:57
bool writeEEPROM(const void *src, size_t len)
Write data to Flash.
Definition: flash.c:60
#define FLASH_PAGE_SIZE
Definition: flash.h:48


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