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RIOT/examples/senml_saul/main.c
Silke Hofstra 9d61bdbb06 sys/senml: add SenML modules
Add a basic SenML module and submodules with support for:

- Encoding SenML values as CBOR using NanoCBOR.
- Converting from Phydat to SenML.
- Reading and encoding SAUL sensors.
2022-02-11 12:38:21 +01:00

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925 B
C

/*
* Copyright (C) 2021 Silke Hofstra
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup examples
* @{
*
* @file
* @brief Short SenML SAUL example
*
* @author Silke Hofstra <silke@slxh.eu>
*
* @}
*/
#include <stdio.h>
#include <string.h>
#include "senml/saul.h"
#include "fmt.h"
static uint8_t cbor_buf[1024];
void print_hex(uint8_t *a, size_t len)
{
for (size_t i = 0; i < len; i++) {
print_byte_hex(a[i]);
}
}
int main(void)
{
size_t len = senml_saul_encode_cbor(cbor_buf, sizeof cbor_buf, saul_reg);
if (len == 0) {
print_str("SenML/SAUL error\n");
return 1;
}
print_str("CBOR (");
print_u32_dec(len);
print_str(" B): ");
print_hex(cbor_buf, len);
print_str("\n");
return 0;
}