IOT_GRZYBKI / Mbed 2 deprecated server2

code for gateway node connecting by wifi with backend and by radio with sensor nodes

Dependencies:   mbed coapRadio

msg.cpp@2:73331442c00e, 2019-01-25 (annotated)

Committer:
tkanas
Date:
Fri Jan 25 03:42:30 2019 +0000
Revision:
2:73331442c00e
Parent:
1:605fa4405e4f 
tralalalalaal

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Ka_myk 0:544925185af9 1 #include "msg.h"
Ka_myk 0:544925185af9 2
thewiztory 1:605fa4405e4f 3 #define UINT8_MAX 256
Ka_myk 0:544925185af9 4
Ka_myk 0:544925185af9 5 void Msg::construct_data_msg(uint8_t sensor_id, int data, uint8_t *buffer, int buffer_len) {
Ka_myk 0:544925185af9 6 if (buffer_len < 5)
Ka_myk 0:544925185af9 7 return;
Ka_myk 0:544925185af9 8
Ka_myk 0:544925185af9 9 buffer[0] = sensor_id;
Ka_myk 0:544925185af9 10 for (int i = 4; i > 0; i--) {
Ka_myk 0:544925185af9 11 buffer[i] = data % UINT8_MAX;
Ka_myk 0:544925185af9 12 data /= UINT8_MAX;
Ka_myk 0:544925185af9 13 }
Ka_myk 0:544925185af9 14 }
Ka_myk 0:544925185af9 15
Ka_myk 0:544925185af9 16 void Msg::deconstruct_data_msg(uint8_t *sensor_id, int *data, uint8_t *buffer, int buffer_len) {
Ka_myk 0:544925185af9 17 if (buffer_len < 5)
Ka_myk 0:544925185af9 18 return;
thewiztory 1:605fa4405e4f 19
thewiztory 1:605fa4405e4f 20 int tmp = 0;
Ka_myk 0:544925185af9 21
Ka_myk 0:544925185af9 22 *sensor_id = buffer[0];
Ka_myk 0:544925185af9 23 for (int i = 1; i < 5; i++) {
thewiztory 1:605fa4405e4f 24 tmp = tmp * UINT8_MAX + buffer[i];
Ka_myk 0:544925185af9 25 }
thewiztory 1:605fa4405e4f 26 *data = tmp;
thewiztory 1:605fa4405e4f 27
Ka_myk 0:544925185af9 28 }