annotate Discovery/Src/firmwareJumpToApplication.c @ 147:14e4c83a7559 FlipDisplay

Forward compass data during calibration mode
author Ideenmodellierer
date Sat, 02 Mar 2019 16:57:59 +0100
parents 5f11787b4f42
children
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1 /**
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2 ******************************************************************************
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3 * @file firmwareJumpToApplication.c
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4 * @author heinrichs weikamp gmbh
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5 * @version V0.0.1
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6 * @date 05-May-2015
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7 * @version V0.0.1
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8 * @since 05-May-2015
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9 * @brief jump to application in higher flash region
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10 *
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11 @verbatim
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12 ==============================================================================
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13 ##### How to use #####
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14 ==============================================================================
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15
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16 ==============================================================================
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17 ##### From AN2557 #####
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18 STM32F10xxx In-Application programming CD00161640.pdf 2010
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19 ==============================================================================
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20 User program conditions
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21 The user application to be loaded into the Flash memory using IAP should be built with
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22 these configuration settings:
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23 1. Set the program load address at 0x08003000, using your toolchain linker file
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24 2. Relocate the vector table at address 0x08003000, using the
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25 "NVIC_SetVectorTable"function or the VECT_TAB_OFFSET definition inside the
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26 "system_stm32f10x.c"
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27
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28 can be found here system_stm32f4xx.c
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29
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30
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31 @endverbatim
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32 ******************************************************************************
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33 * @attention
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34 *
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35 * <h2><center>&copy; COPYRIGHT(c) 2015 heinrichs weikamp</center></h2>
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36 *
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37 ******************************************************************************
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38 */
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39
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40 /* Includes ------------------------------------------------------------------*/
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41 #include "stm32f4xx_hal.h"
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42 #include "stdio.h"
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43 #include "firmwareJumpToApplication.h"
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44
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45 /* Exported variables --------------------------------------------------------*/
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46
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47 /* Private types -------------------------------------------------------------*/
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48 typedef void (*pFunction)(void);
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49 #define ApplicationAddress 0x08040000
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50
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51 /* Private variables ---------------------------------------------------------*/
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52 pFunction Jump_To_Application;
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53 uint32_t JumpAddress;
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54
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55 /* Private function prototypes -----------------------------------------------*/
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56
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57 /* Exported functions --------------------------------------------------------*/
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58 uint8_t firmware_MainCodeIsProgammed(void)
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59 {
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60 uint32_t content_start;
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61 content_start = *(__IO uint32_t*)ApplicationAddress;
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62
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63 if ((content_start & 0x2FFE0000 ) == 0x20000000)
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64 return 1;
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65 else
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66 return 0;
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67 }
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68
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69 void firmware_JumpTo_Application(void)
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70 {
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71 /* Test if user code is programmed starting from address "ApplicationAddress" */
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72 if (((*(__IO uint32_t*)ApplicationAddress) & 0x2FFE0000 ) == 0x20000000)
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73 {
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74 /* Jump to user application */
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75 JumpAddress = *(__IO uint32_t*) (ApplicationAddress + 4);
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76 Jump_To_Application = (pFunction) JumpAddress;
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77 /* Initialize user application's Stack Pointer */
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78 __set_MSP(*(__IO uint32_t*) ApplicationAddress);
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79 Jump_To_Application();
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80 }
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81 while (1)
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82 {}
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83 }
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84
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85 /* Private functions ---------------------------------------------------------*/