Brian Pearson / Mbed 2 deprecated LPC4088CastTubeBaseStation

Cast tube base station

Dependencies:   EALib USBDevice mbed

ByteOperations.cpp@1:240b94a8d002, 2016-01-05 (annotated)

Committer:
BPPearson
Date:
Tue Jan 05 16:46:47 2016 +0000
Revision:
1:240b94a8d002
Parent:
0:e559b5160d84 
Cast tube base station

Who changed what in which revision?

UserRevisionLine numberNew contents of line
BPPearson 0:e559b5160d84 1 #include "ByteOperations.h"
BPPearson 0:e559b5160d84 2 #include <stdint.h>
BPPearson 0:e559b5160d84 3
BPPearson 0:e559b5160d84 4
BPPearson 0:e559b5160d84 5 /* low index equals low nibble */
BPPearson 0:e559b5160d84 6 /* Write 32 bit var to 4 bytes */
BPPearson 0:e559b5160d84 7 void write_32_to_8(int *i, uint8_t dst[], uint32_t src){
BPPearson 0:e559b5160d84 8 dst[(*i)++] = (src >> 0)&0xFF ;
BPPearson 0:e559b5160d84 9 dst[(*i)++] = (src >> 8)&0xFF ;
BPPearson 0:e559b5160d84 10 dst[(*i)++] = (src >> 16)&0xFF;
BPPearson 0:e559b5160d84 11 dst[(*i)++] = (src >> 24)&0xFF;
BPPearson 0:e559b5160d84 12 }
BPPearson 0:e559b5160d84 13
BPPearson 0:e559b5160d84 14 /* Write 16 bit var to 2 bytes */
BPPearson 0:e559b5160d84 15 void write_16_to_8(int *i, uint8_t dst[], uint16_t src){
BPPearson 0:e559b5160d84 16 dst[(*i)++] = (src >> 0)&0xFF ;
BPPearson 0:e559b5160d84 17 dst[(*i)++] = (src >> 8)&0xFF ;
BPPearson 0:e559b5160d84 18 }
BPPearson 0:e559b5160d84 19
BPPearson 0:e559b5160d84 20 /* Write 4 bytes to 32 bit var*/
BPPearson 0:e559b5160d84 21 uint32_t read_8_to_32(int *i, uint8_t *src){
BPPearson 0:e559b5160d84 22 uint32_t data = 0;
BPPearson 0:e559b5160d84 23 data |= (src[(*i)++] << 0) ;
BPPearson 0:e559b5160d84 24 data |= (src[(*i)++] << 8) ;
BPPearson 0:e559b5160d84 25 data |= (src[(*i)++] << 16);
BPPearson 0:e559b5160d84 26 data |= (src[(*i)++] << 24);
BPPearson 0:e559b5160d84 27 return data;
BPPearson 0:e559b5160d84 28 }
BPPearson 0:e559b5160d84 29
BPPearson 0:e559b5160d84 30 /* Write 2 bytes to 16 bit var*/
BPPearson 0:e559b5160d84 31 uint16_t read_8_to_16(int *i, uint8_t *src){
BPPearson 0:e559b5160d84 32 uint16_t data = 0;
BPPearson 0:e559b5160d84 33 data |= (src[(*i)++] << 0) ;
BPPearson 0:e559b5160d84 34 data |= (src[(*i)++] << 8) ;
BPPearson 0:e559b5160d84 35 return data;
BPPearson 0:e559b5160d84 36 }
BPPearson 0:e559b5160d84 37