annotate OtherSources/data_exchange_main_mini.c @ 549:469e93f8633e

Only execute motion detection functions if features is enabled: Added compile switch around function and, in case the switch is on, an additional check if the features is activated by the settings. Added function to add an additional level of brightness to the backlight: The new interface allows to increase the brightness of the display on top of the normal setting. This may be used to indicate focus state to the user if motion detection is enabled
author Ideenmodellierer
date Sun, 08 Nov 2020 18:36:02 +0100
parents 7801c5d8a562
children
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1 /**
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2 ******************************************************************************
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3 * @file data_exchange_main.c
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7801c5d8a562 Update author name for release
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4 * @author heinrichs weikamp gmbh
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5 * @date 13-Oct-2014
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6 * @version V0.0.2
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7 * @since 27-May-2015
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8
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9 * @brief Communication with the second CPU == RTE system
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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 ##### Device Data #####
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18 ==============================================================================
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19
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20 main CPU always sends the device data info that it has at the moment
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21
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22 on start it is INT32_MIN, INT32_MAX and 0
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23 as initialized in data_central.c variable declaration
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24
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25 second small CPU gets request to send its device data
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26
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27 on receiption the data is merged with the data in externLogbookFlash,
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28 stored on the externLogbookFlash and from now on send to small CPU
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29
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30 @endverbatim
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31 ******************************************************************************
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32 * @attention
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33 *
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34 * <h2><center>&copy; COPYRIGHT(c) 2014 heinrichs weikamp</center></h2>
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35 *
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36 ******************************************************************************
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37 */
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38
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39 /* Includes ------------------------------------------------------------------*/
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40 #include <string.h> // for memcopy
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41 #include "stm32f4xx_hal.h"
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42 #include "stdio.h"
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43 #include "ostc.h"
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44 #include "data_central.h"
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45 #include "data_exchange_main.h"
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46 #include "base.h"
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47 #include "externLogbookFlash.h"
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48
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49
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50 /* Expoted variables --------------------------------------------------------*/
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51
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52 /* Private variables ---------------------------------------------------------*/
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53
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54 SDataReceiveFromMaster dataOut;
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55 SDataExchangeSlaveToMaster dataIn;
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56
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57 uint8_t data_old__lost_connection_to_slave_counter_temp = 0;
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58 /* Private types -------------------------------------------------------------*/
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59
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60 uint8_t DataEX_check_header_and_footer_ok(void);
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61 void DataEX_control_connection_while_asking_for_sleep(void);
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62
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63 /* Exported functions --------------------------------------------------------*/
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64
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65 uint8_t DataEX_call(void)
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66 {
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67 DataEX_control_connection_while_asking_for_sleep();
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68
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69 for(int i=0;i<EXCHANGE_BUFFERSIZE;i++)
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70 *(uint8_t *)(((uint32_t)&dataOut) + i) = 0;
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71
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72 dataOut.mode = MODE_SHUTDOWN;
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73
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74 dataOut.header.checkCode[0] = 0xBB;
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75 dataOut.header.checkCode[1] = 0x01;
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76 dataOut.header.checkCode[2] = 0x01;
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77 dataOut.header.checkCode[3] = 0xBB;
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78
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79 dataOut.footer.checkCode[0] = 0xF4;
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80 dataOut.footer.checkCode[1] = 0xF3;
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81 dataOut.footer.checkCode[2] = 0xF2;
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82 dataOut.footer.checkCode[3] = 0xF1;
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83
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84 HAL_GPIO_WritePin(SMALLCPU_CSB_GPIO_PORT,SMALLCPU_CSB_PIN,GPIO_PIN_SET);
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85 delayMicros(10);
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86
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87 if(data_old__lost_connection_to_slave_counter_temp >= 3)
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88 {
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89 data_old__lost_connection_to_slave_counter_temp = 0;
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90 }
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91 else
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92 {
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93 HAL_GPIO_WritePin(SMALLCPU_CSB_GPIO_PORT,SMALLCPU_CSB_PIN,GPIO_PIN_RESET);
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94 }
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95
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96 HAL_SPI_TransmitReceive_DMA(&cpu2DmaSpi, (uint8_t *)&dataOut, (uint8_t *)&dataIn, EXCHANGE_BUFFERSIZE+1);
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97 return 1;
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98 }
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99
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100
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101 void DataEX_control_connection_while_asking_for_sleep(void)
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102 {
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103 if(!DataEX_check_header_and_footer_ok())
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104 {
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105 data_old__lost_connection_to_slave_counter_temp += 1;
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106 }
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107 }
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108
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109 uint8_t DataEX_check_header_and_footer_ok(void)
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110 {
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111 if(dataIn.header.checkCode[0] != 0xA1)
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112 return 0;
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113 if(dataIn.header.checkCode[1] != 0xA2)
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114 return 0;
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115 if(dataIn.header.checkCode[2] != 0xA3)
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116 return 0;
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117 if(dataIn.header.checkCode[3] != 0xA4)
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118 return 0;
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119 if(dataIn.footer.checkCode[0] != 0xE1)
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120 return 0;
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121 if(dataIn.footer.checkCode[1] != 0xE2)
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122 return 0;
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123 if(dataIn.footer.checkCode[2] != 0xE3)
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124 return 0;
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125 if(dataIn.footer.checkCode[3] != 0xE4)
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126 return 0;
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127
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128 return 1;
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129 }
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130