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This commit is contained in:
J. Nick Koston
2025-09-14 13:53:36 -05:00
parent 0b42250900
commit 16b7714990
2 changed files with 5 additions and 5 deletions
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4
esphome/core/helpers.cpp
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@@ -264,8 +264,8 @@ std::string format_hex(const uint8_t *data, size_t length) {
std::string ret;
ret.resize(length * 2);
for (size_t i = 0; i < length; i++) {
ret[2 * i] = format_hex_char_lower(data[i] >> 4);
ret[2 * i + 1] = format_hex_char_lower(data[i] & 0x0F);
ret[2 * i] = format_hex_char(data[i] >> 4);
ret[2 * i + 1] = format_hex_char(data[i] & 0x0F);
}
return ret;
}

6
esphome/core/helpers.h
View File

@@ -381,7 +381,7 @@ template<typename T, enable_if_t<std::is_unsigned<T>::value, int> = 0> optional<
}
/// Convert a nibble (0-15) to lowercase hex char
inline char format_hex_char_lower(uint8_t v) { return v >= 10 ? 'a' + (v - 10) : '0' + v; }
inline char format_hex_char(uint8_t v) { return v >= 10 ? 'a' + (v - 10) : '0' + v; }
/// Convert a nibble (0-15) to uppercase hex char (used for pretty printing)
/// This always uses uppercase (A-F) for pretty/human-readable output
@@ -403,8 +403,8 @@ inline void format_mac_addr_upper(const uint8_t *mac, char *output) {
inline void format_mac_addr_lower_no_sep(const uint8_t *mac, char *output) {
for (size_t i = 0; i < 6; i++) {
uint8_t byte = mac[i];
output[i * 2] = format_hex_char_lower(byte >> 4);
output[i * 2 + 1] = format_hex_char_lower(byte & 0x0F);
output[i * 2] = format_hex_char(byte >> 4);
output[i * 2 + 1] = format_hex_char(byte & 0x0F);
}
output[12] = '\0';
}