From b8147bcba2e8dfef419ba14053285bc9750dc319 Mon Sep 17 00:00:00 2001 From: xengineering Date: Thu, 30 May 2024 22:06:31 +0200 Subject: firmware: Rename from uid64 to eui64 The term EUI-64 is more commonly known (see Wikipedia about MAC addresses [1]). The term UID-64 was introduced because of ST documentation. [1]: https://en.wikipedia.org/wiki/MAC_address --- firmware/src/eui64.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 firmware/src/eui64.c (limited to 'firmware/src/eui64.c') diff --git a/firmware/src/eui64.c b/firmware/src/eui64.c new file mode 100644 index 0000000..516ff84 --- /dev/null +++ b/firmware/src/eui64.c @@ -0,0 +1,42 @@ +#include +#include + +#include + +#include "eui64.h" + +#define UID64_NODE DT_NODELABEL(eui64) + +uint64_t eui64_get(void) { +#if DT_NODE_EXISTS(UID64_NODE) + return *(volatile uint64_t *) DT_REG_ADDR(UID64_NODE); +#else + return 0; +#endif +} + +void eui64_to_string(uint64_t uid, char *str) { + uint8_t *source = (uint8_t *)&uid + 7; + char *sink = str; + + for (unsigned int i = 0; i < 8; i++) { + /* delimiter */ + if (i > 0) { + *sink = ':'; + sink++; + } + + /* byte values */ + snprintf(sink, 3, "%02x", *source); + source--; + sink += 2; + } +} + +bool eui64_available(void) { +#if DT_NODE_EXISTS(UID64_NODE) + return true; +#else + return false; +#endif +} -- cgit v1.2.3-70-g09d2