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SmartMesh QSL for STM32F4 version
Fork of COG-AD4050_QSL by
dn_endianness.c
- Committer:
- APS_Lab
- Date:
- 2018-05-02
- Revision:
- 0:8ca1e814a851
File content as of revision 0:8ca1e814a851:
/* Copyright (c) 2016, Dust Networks. All rights reserved. Port of the endianness module to the NUCLEO-L053R8. \license See attached DN_LICENSE.txt. */ #include "dn_endianness.h" //=========================== variables ======================================= //=========================== prototypes ====================================== //=========================== public ========================================== void dn_write_uint16_t(uint8_t* ptr, uint16_t val){ // STM32L0 is a little-endian platform ptr[0] = (val>>8) & 0xff; ptr[1] = (val>>0) & 0xff; } void dn_write_uint32_t(uint8_t* ptr, uint32_t val){ // STM32L0 is a little-endian platform ptr[0] = (val>>24) & 0xff; ptr[1] = (val>>16) & 0xff; ptr[2] = (val>>8) & 0xff; ptr[3] = (val>>0) & 0xff; } void dn_read_uint16_t(uint16_t* to, uint8_t* from){ // STM32L0 is a little-endian platform *to = 0; *to |= (from[1]<<0); *to |= (from[0]<<8); } void dn_read_uint32_t(uint32_t* to, uint8_t* from){ // STM32L0 is a little-endian platform *to = 0; *to |= ( ((uint32_t)from[3])<<0 ); *to |= ( ((uint32_t)from[2])<<8 ); *to |= ( ((uint32_t)from[1])<<16); *to |= ( ((uint32_t)from[0])<<24); } //=========================== private ========================================= //=========================== helpers =========================================