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annotate Small_CPU/Inc/externalInterface.h @ 554:3328189786e7

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Added external ADC interface functionality (MCP3424): Added communication protocoll to read data from external ADC. At the moment 16bit and 18bit resolutions are supported. External data will be read and forwarded depending on the conversion time of the ADC.
author Ideenmodellierer
date Thu, 12 Nov 2020 19:46:03 +0100
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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 */