annotate Small_CPU/Inc/externalInterface.h @ 779:0b5f45448eb6

Added UART multiplexer support for DiveO2: The existing autodetect function now includes a UART multiplexer. The datastructures and protocol handling has been adapted to support several DiveO2 sensors connected to the UART.
author Ideenmodellierer
date Tue, 23 May 2023 21:45:34 +0200
parents e23fe82cbf8c
children 01b3eb9d55c3
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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 #include "configuration.h"
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32
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33
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34 #define MAX_ADC_CHANNEL (3u) /* number of channels to be read */
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35 #define EXTERNAL_ADC_NO_DATA 0xFF
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36
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37 #define EXT33V_CONTROL_PIN GPIO_PIN_7 /* PortC */
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38
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39 #define MIN_ADC_VOLTAGE_MV (5.0f) /* miminal voltage to rate an ADC channel as active */
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40
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41
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42 typedef enum
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43 {
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44 DETECTION_OFF = 0, /* no detection requested */
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45 DETECTION_INIT, /* prepare external interface for operation if not already activated */
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46 DETECTION_START,
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47 DETECTION_ANALOG1, /* check ADC channels for connected sensors */
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48 DETECTION_ANALOG2,
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49 DETECTION_UARTMUX, /* check if a uart multiplexer is present */
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50 DETECTION_DIGO2_0, /* check UART channel for connected DigO2 sensor */
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51 DETECTION_DIGO2_1,
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52 DETECTION_DIGO2_2,
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53 #ifdef ENABLE_CO2_SUPPORT
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54 DETECTION_CO2, /* check UART channel for connected CO2 sensor */
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55 #endif
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56 #ifdef ENABLE_SENTINEL_MODE
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57 DETECTION_SENTINEL, /* check UART channel for connected Sentinel */
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58 DETECTION_SENTINEL2,
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59 #endif
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60 DETECTION_DONE
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61 } externalInterfaceAutoDetect_t;
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65
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66 void externalInterface_Init(void);
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67 void externalInterface_InitPower33(void);
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68 void externalInterface_InitDatastruct(void);
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69 uint8_t externalInterface_StartConversion(uint8_t channel);
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70 uint8_t externalInterface_ReadAndSwitch();
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71 float externalInterface_CalculateADCValue(uint8_t channel);
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72 float getExternalInterfaceChannel(uint8_t channel);
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73 uint8_t setExternalInterfaceChannel(uint8_t channel, float value);
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74 void externalInterface_SwitchPower33(uint8_t state);
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75 void externalInterface_SwitchADC(uint8_t state);
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76 void externalInterface_SwitchUART(uint8_t protocol);
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77 uint8_t externalInterface_isEnabledPower33(void);
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78 uint8_t externalInterface_isEnabledADC(void);
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79 uint8_t externalInterface_GetUARTProtocol();
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80
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81 void externalInterface_SetCO2Value(uint16_t CO2_ppm);
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82 void externalInterface_SetCO2SignalStrength(uint16_t LED_qa);
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83 uint16_t externalInterface_GetCO2Value(void);
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84 uint16_t externalInterface_GetCO2SignalStrength(void);
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85 void externalInterface_SetCO2State(uint16_t state);
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86 uint16_t externalInterface_GetCO2State(void);
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87 uint8_t externalInterface_GetSensorData(uint8_t sensorId, uint8_t* pDataStruct);
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88 void externalInterface_SetSensorData(uint8_t dataId, uint8_t* pDataStruct);
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89 void externalInface_SetSensorMap(uint8_t* pMap);
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90 uint8_t* externalInterface_GetSensorMapPointer(uint8_t finalMap);
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91 void externalInterface_AutodetectSensor(void);
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92 void externalInterface_ExecuteCmd(uint16_t Cmd);
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93
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94 #endif /* EXTERNAL_INTERFACE_H */