amiro-os / include / amiro / BaseSensor.hpp @ 81b48c66
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| 1 | 58fe0e0b | Thomas Schöpping | #ifndef AMIRO_BASE_SENSOR_H_
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| 2 | #define AMIRO_BASE_SENSOR_H_
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| 3 | |||
| 4 | /* ABOUT THE USED PREPROCESSOR DIRECTIVES IN THIS FILE
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| 5 | * AMIRO_NCALIBRATION:
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| 6 | * If defined, the calibration() function will be ignored for compilation.
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| 7 | * Thus, all inheriting classes must use this directive, too.
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| 8 | * AMIRO_NSELFTEST:
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| 9 | * If defined, the selftest() function will be ignored for compilation.
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| 10 | * Thus, all inheriting classes must use this directive, too.
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| 11 | */
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| 12 | |||
| 13 | namespace amiro {
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| 14 | |||
| 15 | /**
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| 16 | * This is an interface class, which should be used as a blueprint for all drivers of the AMiRo.
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| 17 | */
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| 18 | template<typename Init_t = void, typename Calib_t = void> |
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| 19 | class BaseSensor |
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| 20 | {
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| 21 | public:
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| 22 | BaseSensor() {}
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| 23 | virtual ~BaseSensor() {}
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| 24 | |||
| 25 | /**
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| 26 | * Some error codes that should be returned by the implementations of the virtual functions of this class.
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| 27 | */
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| 28 | enum ErrorCodes {
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| 29 | SUCCESS = 0x00u, OK = 0x00u, |
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| 30 | ERROR = 0x80u, FAIL = 0x80u, |
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| 31 | NOT_IMPLEMENTED = 0xFFu
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| 32 | }; |
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| 33 | |||
| 34 | /**
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| 35 | * Initializes the hardware (e.g. sets register values).
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| 36 | * This function is optional.
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| 37 | *
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| 38 | * @param[in,out] driver specific initialization data (should be used for arguments and results); optional
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| 39 | * @return an error code
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| 40 | */
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| 41 | virtual inline msg_t init(Init_t* = NULL) |
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| 42 | {
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| 43 | return NOT_IMPLEMENTED;
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| 44 | } |
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| 45 | |||
| 46 | /**
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| 47 | * Reads the most important values from the hardware and stores them in local buffers.
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| 48 | *
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| 49 | * @return an error code
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| 50 | */
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| 51 | virtual msg_t update() = 0; |
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| 52 | |||
| 53 | /**
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| 54 | * If required, wakes the hardware from power saving mode into an active state.
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| 55 | * (Re)Initializes all local buffers with valid values, thus the update() function should be called.
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| 56 | *
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| 57 | * @return an error code
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| 58 | */
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| 59 | virtual msg_t wakeup() = 0; |
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| 60 | |||
| 61 | /**
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| 62 | * Puts the hardware in a power saving mode to reduce energy consumption.
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| 63 | * This function is optional.
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| 64 | * @return an error code
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| 65 | */
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| 66 | virtual msg_t hibernate()
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| 67 | {
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| 68 | return NOT_IMPLEMENTED;
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| 69 | } |
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| 70 | |||
| 71 | #ifndef AMIRO_NCALIBRATION
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| 72 | /**
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| 73 | * Runs a calibration of the hardware.
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| 74 | * This function is optional.
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| 75 | *
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| 76 | * @param[in,out] driver specific calibration data (should be used for arguments and results); optional
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| 77 | *
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| 78 | * @return an error code
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| 79 | */
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| 80 | virtual msg_t calibration(Calib_t* = NULL) |
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| 81 | {
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| 82 | return NOT_IMPLEMENTED;
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| 83 | } |
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| 84 | #else
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| 85 | static uint8_t calibration(Calib_t* = NULL) |
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| 86 | {
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| 87 | return NOT_IMPLEMENTED;
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| 88 | } |
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| 89 | #endif
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| 90 | |||
| 91 | #ifndef AMIRO_NSELFTEST
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| 92 | /**
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| 93 | * Runs a self-test on the hardware and/or communication.
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| 94 | * This function is optional but highly recommended.
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| 95 | *
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| 96 | * @return an error code
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| 97 | */
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| 98 | virtual msg_t selftest()
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| 99 | {
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| 100 | return NOT_IMPLEMENTED;
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| 101 | } |
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| 102 | #else
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| 103 | static msg_t selftest()
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| 104 | {
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| 105 | return NOT_IMPLEMENTED;
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| 106 | } |
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| 107 | #endif
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| 108 | |||
| 109 | }; |
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| 110 | |||
| 111 | } |
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| 112 | |||
| 113 | #endif /* AMIRO_BASE_SENSOR_H_ */ |