Test Fork
Dependencies: LoRaWAN-lib SX1272Lib lib_gps lib_mma8451q lib_mpl3115a2 mbed
Fork of LoRaWAN-NAMote72-Application-Demo by
system/utilities.h@12:504203733f11, 2016-08-05 (annotated)
- Committer:
- ubhat
- Date:
- Fri Aug 05 20:45:12 2016 +0000
- Revision:
- 12:504203733f11
- Parent:
- 0:69f2e28d12c1
Revert to Revision 9
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
ubhat | 0:69f2e28d12c1 | 1 | /* |
ubhat | 0:69f2e28d12c1 | 2 | / _____) _ | | |
ubhat | 0:69f2e28d12c1 | 3 | ( (____ _____ ____ _| |_ _____ ____| |__ |
ubhat | 0:69f2e28d12c1 | 4 | \____ \| ___ | (_ _) ___ |/ ___) _ \ |
ubhat | 0:69f2e28d12c1 | 5 | _____) ) ____| | | || |_| ____( (___| | | | |
ubhat | 0:69f2e28d12c1 | 6 | (______/|_____)_|_|_| \__)_____)\____)_| |_| |
ubhat | 0:69f2e28d12c1 | 7 | (C)2013 Semtech |
ubhat | 0:69f2e28d12c1 | 8 | |
ubhat | 0:69f2e28d12c1 | 9 | Description: Helper functions implementation |
ubhat | 0:69f2e28d12c1 | 10 | |
ubhat | 0:69f2e28d12c1 | 11 | License: Revised BSD License, see LICENSE.TXT file include in the project |
ubhat | 0:69f2e28d12c1 | 12 | |
ubhat | 0:69f2e28d12c1 | 13 | Maintainer: Miguel Luis and Gregory Cristian |
ubhat | 0:69f2e28d12c1 | 14 | */ |
ubhat | 0:69f2e28d12c1 | 15 | #ifndef __UTILITIES_H__ |
ubhat | 0:69f2e28d12c1 | 16 | #define __UTILITIES_H__ |
ubhat | 0:69f2e28d12c1 | 17 | |
ubhat | 0:69f2e28d12c1 | 18 | /*! |
ubhat | 0:69f2e28d12c1 | 19 | * \brief Returns the minimum value betwen a and b |
ubhat | 0:69f2e28d12c1 | 20 | * |
ubhat | 0:69f2e28d12c1 | 21 | * \param [IN] a 1st value |
ubhat | 0:69f2e28d12c1 | 22 | * \param [IN] b 2nd value |
ubhat | 0:69f2e28d12c1 | 23 | * \retval minValue Minimum value |
ubhat | 0:69f2e28d12c1 | 24 | */ |
ubhat | 0:69f2e28d12c1 | 25 | #define MIN( a, b ) ( ( ( a ) < ( b ) ) ? ( a ) : ( b ) ) |
ubhat | 0:69f2e28d12c1 | 26 | |
ubhat | 0:69f2e28d12c1 | 27 | /*! |
ubhat | 0:69f2e28d12c1 | 28 | * \brief Returns the maximum value betwen a and b |
ubhat | 0:69f2e28d12c1 | 29 | * |
ubhat | 0:69f2e28d12c1 | 30 | * \param [IN] a 1st value |
ubhat | 0:69f2e28d12c1 | 31 | * \param [IN] b 2nd value |
ubhat | 0:69f2e28d12c1 | 32 | * \retval maxValue Maximum value |
ubhat | 0:69f2e28d12c1 | 33 | */ |
ubhat | 0:69f2e28d12c1 | 34 | #define MAX( a, b ) ( ( ( a ) > ( b ) ) ? ( a ) : ( b ) ) |
ubhat | 0:69f2e28d12c1 | 35 | |
ubhat | 0:69f2e28d12c1 | 36 | /*! |
ubhat | 0:69f2e28d12c1 | 37 | * \brief Returns 2 raised to the power of n |
ubhat | 0:69f2e28d12c1 | 38 | * |
ubhat | 0:69f2e28d12c1 | 39 | * \param [IN] n power value |
ubhat | 0:69f2e28d12c1 | 40 | * \retval result of raising 2 to the power n |
ubhat | 0:69f2e28d12c1 | 41 | */ |
ubhat | 0:69f2e28d12c1 | 42 | #define POW2( n ) ( 1 << n ) |
ubhat | 0:69f2e28d12c1 | 43 | |
ubhat | 0:69f2e28d12c1 | 44 | /*! |
ubhat | 0:69f2e28d12c1 | 45 | * \brief Initializes the pseudo ramdom generator initial value |
ubhat | 0:69f2e28d12c1 | 46 | * |
ubhat | 0:69f2e28d12c1 | 47 | * \param [IN] seed Pseudo ramdom generator initial value |
ubhat | 0:69f2e28d12c1 | 48 | */ |
ubhat | 0:69f2e28d12c1 | 49 | void srand1( uint32_t seed ); |
ubhat | 0:69f2e28d12c1 | 50 | |
ubhat | 0:69f2e28d12c1 | 51 | /*! |
ubhat | 0:69f2e28d12c1 | 52 | * \brief Computes a random number between min and max |
ubhat | 0:69f2e28d12c1 | 53 | * |
ubhat | 0:69f2e28d12c1 | 54 | * \param [IN] min range minimum value |
ubhat | 0:69f2e28d12c1 | 55 | * \param [IN] max range maximum value |
ubhat | 0:69f2e28d12c1 | 56 | * \retval random random value in range min..max |
ubhat | 0:69f2e28d12c1 | 57 | */ |
ubhat | 0:69f2e28d12c1 | 58 | int32_t randr( int32_t min, int32_t max ); |
ubhat | 0:69f2e28d12c1 | 59 | |
ubhat | 0:69f2e28d12c1 | 60 | /*! |
ubhat | 0:69f2e28d12c1 | 61 | * \brief Copies size elements of src array to dst array |
ubhat | 0:69f2e28d12c1 | 62 | * |
ubhat | 0:69f2e28d12c1 | 63 | * \remark STM32 Standard memcpy function only works on pointers that are aligned |
ubhat | 0:69f2e28d12c1 | 64 | * |
ubhat | 0:69f2e28d12c1 | 65 | * \param [OUT] dst Destination array |
ubhat | 0:69f2e28d12c1 | 66 | * \param [IN] src Source array |
ubhat | 0:69f2e28d12c1 | 67 | * \param [IN] size Number of bytes to be copied |
ubhat | 0:69f2e28d12c1 | 68 | */ |
ubhat | 0:69f2e28d12c1 | 69 | void memcpy1( uint8_t *dst, const uint8_t *src, uint16_t size ); |
ubhat | 0:69f2e28d12c1 | 70 | |
ubhat | 0:69f2e28d12c1 | 71 | /*! |
ubhat | 0:69f2e28d12c1 | 72 | * \brief Copies size elements of src array to dst array reversing the byte order |
ubhat | 0:69f2e28d12c1 | 73 | * |
ubhat | 0:69f2e28d12c1 | 74 | * \param [OUT] dst Destination array |
ubhat | 0:69f2e28d12c1 | 75 | * \param [IN] src Source array |
ubhat | 0:69f2e28d12c1 | 76 | * \param [IN] size Number of bytes to be copied |
ubhat | 0:69f2e28d12c1 | 77 | */ |
ubhat | 0:69f2e28d12c1 | 78 | void memcpyr( uint8_t *dst, const uint8_t *src, uint16_t size ); |
ubhat | 0:69f2e28d12c1 | 79 | |
ubhat | 0:69f2e28d12c1 | 80 | /*! |
ubhat | 0:69f2e28d12c1 | 81 | * \brief Set size elements of dst array with value |
ubhat | 0:69f2e28d12c1 | 82 | * |
ubhat | 0:69f2e28d12c1 | 83 | * \remark STM32 Standard memset function only works on pointers that are aligned |
ubhat | 0:69f2e28d12c1 | 84 | * |
ubhat | 0:69f2e28d12c1 | 85 | * \param [OUT] dst Destination array |
ubhat | 0:69f2e28d12c1 | 86 | * \param [IN] value Default value |
ubhat | 0:69f2e28d12c1 | 87 | * \param [IN] size Number of bytes to be copied |
ubhat | 0:69f2e28d12c1 | 88 | */ |
ubhat | 0:69f2e28d12c1 | 89 | void memset1( uint8_t *dst, uint8_t value, uint16_t size ); |
ubhat | 0:69f2e28d12c1 | 90 | |
ubhat | 0:69f2e28d12c1 | 91 | /*! |
ubhat | 0:69f2e28d12c1 | 92 | * \brief Converts a nibble to an hexadecimal character |
ubhat | 0:69f2e28d12c1 | 93 | * |
ubhat | 0:69f2e28d12c1 | 94 | * \param [IN] a Nibble to be converted |
ubhat | 0:69f2e28d12c1 | 95 | * \retval hexChar Converted hexadecimal character |
ubhat | 0:69f2e28d12c1 | 96 | */ |
ubhat | 0:69f2e28d12c1 | 97 | int8_t Nibble2HexChar( uint8_t a ); |
ubhat | 0:69f2e28d12c1 | 98 | |
ubhat | 0:69f2e28d12c1 | 99 | #endif // __UTILITIES_H__ |