Akshay Mishra / Mbed 2 deprecated DSP_LoRaWAN

for India band 30dBm LoRa Module, DSPLoRa based on code from Semtech and as modified by Sachin Pukale/ TCL/

Dependencies:   mbed Chainable_RGB_LED DigitDisplay LoRaWAN-lib SX1276Lib

Fork of DSP_LoRaWAN by Akshay Mishra

system/utilities.h@7:5c0e1dfdf0c6, 2017-01-05 (annotated)

Committer:
akshaymishra
Date:
Thu Jan 05 03:47:15 2017 +0000
Revision:
7:5c0e1dfdf0c6
Parent:
0:cb80564f40e1 
Address update

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mluis 0:cb80564f40e1 1 /*
mluis 0:cb80564f40e1 2 / _____) _ | |
mluis 0:cb80564f40e1 3 ( (____ _____ ____ _| |_ _____ ____| |__
mluis 0:cb80564f40e1 4 \____ \| ___ | (_ _) ___ |/ ___) _ \
mluis 0:cb80564f40e1 5 _____) ) ____| | | || |_| ____( (___| | | |
mluis 0:cb80564f40e1 6 (______/|_____)_|_|_| \__)_____)\____)_| |_|
mluis 0:cb80564f40e1 7 (C)2013 Semtech
mluis 0:cb80564f40e1 8
mluis 0:cb80564f40e1 9 Description: Helper functions implementation
mluis 0:cb80564f40e1 10
mluis 0:cb80564f40e1 11 License: Revised BSD License, see LICENSE.TXT file include in the project
mluis 0:cb80564f40e1 12
mluis 0:cb80564f40e1 13 Maintainer: Miguel Luis and Gregory Cristian
mluis 0:cb80564f40e1 14 */
mluis 0:cb80564f40e1 15 #ifndef __UTILITIES_H__
mluis 0:cb80564f40e1 16 #define __UTILITIES_H__
mluis 0:cb80564f40e1 17
mluis 0:cb80564f40e1 18 /*!
mluis 0:cb80564f40e1 19 * \brief Returns the minimum value betwen a and b
mluis 0:cb80564f40e1 20 *
mluis 0:cb80564f40e1 21 * \param [IN] a 1st value
mluis 0:cb80564f40e1 22 * \param [IN] b 2nd value
mluis 0:cb80564f40e1 23 * \retval minValue Minimum value
mluis 0:cb80564f40e1 24 */
mluis 0:cb80564f40e1 25 #define MIN( a, b ) ( ( ( a ) < ( b ) ) ? ( a ) : ( b ) )
mluis 0:cb80564f40e1 26
mluis 0:cb80564f40e1 27 /*!
mluis 0:cb80564f40e1 28 * \brief Returns the maximum value betwen a and b
mluis 0:cb80564f40e1 29 *
mluis 0:cb80564f40e1 30 * \param [IN] a 1st value
mluis 0:cb80564f40e1 31 * \param [IN] b 2nd value
mluis 0:cb80564f40e1 32 * \retval maxValue Maximum value
mluis 0:cb80564f40e1 33 */
mluis 0:cb80564f40e1 34 #define MAX( a, b ) ( ( ( a ) > ( b ) ) ? ( a ) : ( b ) )
mluis 0:cb80564f40e1 35
mluis 0:cb80564f40e1 36 /*!
mluis 0:cb80564f40e1 37 * \brief Returns 2 raised to the power of n
mluis 0:cb80564f40e1 38 *
mluis 0:cb80564f40e1 39 * \param [IN] n power value
mluis 0:cb80564f40e1 40 * \retval result of raising 2 to the power n
mluis 0:cb80564f40e1 41 */
mluis 0:cb80564f40e1 42 #define POW2( n ) ( 1 << n )
mluis 0:cb80564f40e1 43
mluis 0:cb80564f40e1 44 /*!
mluis 0:cb80564f40e1 45 * \brief Initializes the pseudo ramdom generator initial value
mluis 0:cb80564f40e1 46 *
mluis 0:cb80564f40e1 47 * \param [IN] seed Pseudo ramdom generator initial value
mluis 0:cb80564f40e1 48 */
mluis 0:cb80564f40e1 49 void srand1( uint32_t seed );
mluis 0:cb80564f40e1 50
mluis 0:cb80564f40e1 51 /*!
mluis 0:cb80564f40e1 52 * \brief Computes a random number between min and max
mluis 0:cb80564f40e1 53 *
mluis 0:cb80564f40e1 54 * \param [IN] min range minimum value
mluis 0:cb80564f40e1 55 * \param [IN] max range maximum value
mluis 0:cb80564f40e1 56 * \retval random random value in range min..max
mluis 0:cb80564f40e1 57 */
mluis 0:cb80564f40e1 58 int32_t randr( int32_t min, int32_t max );
mluis 0:cb80564f40e1 59
mluis 0:cb80564f40e1 60 /*!
mluis 0:cb80564f40e1 61 * \brief Copies size elements of src array to dst array
mluis 0:cb80564f40e1 62 *
mluis 0:cb80564f40e1 63 * \remark STM32 Standard memcpy function only works on pointers that are aligned
mluis 0:cb80564f40e1 64 *
mluis 0:cb80564f40e1 65 * \param [OUT] dst Destination array
mluis 0:cb80564f40e1 66 * \param [IN] src Source array
mluis 0:cb80564f40e1 67 * \param [IN] size Number of bytes to be copied
mluis 0:cb80564f40e1 68 */
mluis 0:cb80564f40e1 69 void memcpy1( uint8_t *dst, const uint8_t *src, uint16_t size );
mluis 0:cb80564f40e1 70
mluis 0:cb80564f40e1 71 /*!
mluis 0:cb80564f40e1 72 * \brief Copies size elements of src array to dst array reversing the byte order
mluis 0:cb80564f40e1 73 *
mluis 0:cb80564f40e1 74 * \param [OUT] dst Destination array
mluis 0:cb80564f40e1 75 * \param [IN] src Source array
mluis 0:cb80564f40e1 76 * \param [IN] size Number of bytes to be copied
mluis 0:cb80564f40e1 77 */
mluis 0:cb80564f40e1 78 void memcpyr( uint8_t *dst, const uint8_t *src, uint16_t size );
mluis 0:cb80564f40e1 79
mluis 0:cb80564f40e1 80 /*!
mluis 0:cb80564f40e1 81 * \brief Set size elements of dst array with value
mluis 0:cb80564f40e1 82 *
mluis 0:cb80564f40e1 83 * \remark STM32 Standard memset function only works on pointers that are aligned
mluis 0:cb80564f40e1 84 *
mluis 0:cb80564f40e1 85 * \param [OUT] dst Destination array
mluis 0:cb80564f40e1 86 * \param [IN] value Default value
mluis 0:cb80564f40e1 87 * \param [IN] size Number of bytes to be copied
mluis 0:cb80564f40e1 88 */
mluis 0:cb80564f40e1 89 void memset1( uint8_t *dst, uint8_t value, uint16_t size );
mluis 0:cb80564f40e1 90
mluis 0:cb80564f40e1 91 /*!
mluis 0:cb80564f40e1 92 * \brief Converts a nibble to an hexadecimal character
mluis 0:cb80564f40e1 93 *
mluis 0:cb80564f40e1 94 * \param [IN] a Nibble to be converted
mluis 0:cb80564f40e1 95 * \retval hexChar Converted hexadecimal character
mluis 0:cb80564f40e1 96 */
mluis 0:cb80564f40e1 97 int8_t Nibble2HexChar( uint8_t a );
mluis 0:cb80564f40e1 98
mluis 0:cb80564f40e1 99 #endif // __UTILITIES_H__