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annotate Small_CPU/Inc/externalInterface.h @ 627:189f945ae4ba

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Improve in / out of focus transitions: Added a function which detects if the yaw value changed significant while in focus state. This event is typically pointing to a arm movment => diver is no longer focussing at the OSTC. Improve custom view mapping: Added a direction indicator to the focus distance value (now +/- values instead of absolut values before). With this modification custom view sectors may have the double size and are threrfore easier to be controlled.
author Ideenmodellierer
date Fri, 12 Feb 2021 21:43:27 +0100
parents 3328189786e7
children 1b995079c045
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1 /**
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2 ******************************************************************************
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3 * @file externalInterface.h
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4 * @author heinrichs weikamp gmbh
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5 * @version V0.0.1
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6 * @date 07-Nov-2020
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7 * @brief Interface functionality to proceed external analog signal via i2c connection
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8 *
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9 @verbatim
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10 ==============================================================================
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11 ##### How to use #####
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12 ==============================================================================
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13 @endverbatim
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14 ******************************************************************************
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15 * @attention
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16 *
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17 * <h2><center>&copy; COPYRIGHT(c) 2014 heinrichs weikamp</center></h2>
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18 *
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19 ******************************************************************************
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20 */
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21
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22 /* Define to prevent recursive inclusion -------------------------------------*/
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23 #ifndef EXTERNAL_INTERFACE_H
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24 #define EXTERNAL_INTERFACE_H
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25
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26 #ifdef __cplusplus
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27 extern "C" {
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28 #endif
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29
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30 /* Includes ------------------------------------------------------------------*/
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31
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32 #define MAX_ADC_CHANNEL (3u) /* number of channels to be read */
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33 #define EXTERNAL_ADC_NO_DATA 0xFF
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34
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35 void externalInterface_Init(void);
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36 uint8_t externalInterface_StartConversion(uint8_t channel);
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37 uint8_t externalInterface_ReadAndSwitch();
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38 float externalInterface_CalculateADCValue(uint8_t channel);
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39 float getExternalInterfaceChannel(uint8_t channel);
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40
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41 #endif /* EXTERNAL_INTERFACE_H */