ESPHome
2024.10.2
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Namespaces | |
esphome | |
Implementation of SPI Controller mode. | |
Functions | |
template<int(*)(int) fn> | |
std::string | esphome::str_ctype_transform (const std::string &str) |
std::string | esphome::str_snprintf (const char *fmt, size_t len,...) |
std::string | esphome::str_sprintf (const char *fmt,...) |
STL backports | |
std::string | esphome::to_string (int value) |
std::string | esphome::to_string (long value) |
std::string | esphome::to_string (long long value) |
std::string | esphome::to_string (unsigned value) |
std::string | esphome::to_string (unsigned long value) |
std::string | esphome::to_string (unsigned long long value) |
std::string | esphome::to_string (float value) |
std::string | esphome::to_string (double value) |
std::string | esphome::to_string (long double value) |
Mathematics | |
float | esphome::lerp (float completion, float start, float end) |
Linearly interpolate between start and end by completion (between 0 and 1). More... | |
uint8_t | esphome::crc8 (const uint8_t *data, uint8_t len) |
Calculate a CRC-8 checksum of data with size len . More... | |
uint16_t | esphome::crc16 (const uint8_t *data, uint16_t len, uint16_t crc=0xffff, uint16_t reverse_poly=0xa001, bool refin=false, bool refout=false) |
Calculate a CRC-16 checksum of data with size len . More... | |
uint16_t | esphome::crc16be (const uint8_t *data, uint16_t len, uint16_t crc, uint16_t poly, bool refin, bool refout) |
uint32_t | esphome::fnv1_hash (const std::string &str) |
Calculate a FNV-1 hash of str . More... | |
uint32_t | esphome::random_uint32 () |
Return a random 32-bit unsigned integer. More... | |
float | esphome::random_float () |
Return a random float between 0 and 1. More... | |
bool | esphome::random_bytes (uint8_t *data, size_t len) |
Generate len number of random bytes. More... | |
Strings | |
bool | esphome::str_equals_case_insensitive (const std::string &a, const std::string &b) |
Compare strings for equality in case-insensitive manner. More... | |
bool | esphome::str_startswith (const std::string &str, const std::string &start) |
Check whether a string starts with a value. More... | |
bool | esphome::str_endswith (const std::string &str, const std::string &end) |
Check whether a string ends with a value. More... | |
std::string | esphome::str_truncate (const std::string &str, size_t length) |
Truncate a string to a specific length. More... | |
std::string | esphome::str_until (const char *str, char ch) |
Extract the part of the string until either the first occurrence of the specified character, or the end (requires str to be null-terminated). More... | |
std::string | esphome::str_until (const std::string &str, char ch) |
Extract the part of the string until either the first occurrence of the specified character, or the end. More... | |
std::string | esphome::str_lower_case (const std::string &str) |
Convert the string to lower case. More... | |
std::string | esphome::str_upper_case (const std::string &str) |
Convert the string to upper case. More... | |
std::string | esphome::str_snake_case (const std::string &str) |
Convert the string to snake case (lowercase with underscores). More... | |
std::string | esphome::str_sanitize (const std::string &str) |
Sanitizes the input string by removing all characters but alphanumerics, dashes and underscores. More... | |
Parsing & formatting | |
size_t | esphome::parse_hex (const char *str, size_t len, uint8_t *data, size_t count) |
Parse bytes from a hex-encoded string into a byte array. More... | |
std::string | esphome::format_hex (const uint8_t *data, size_t length) |
Format the byte array data of length len in lowercased hex. More... | |
std::string | esphome::format_hex (const std::vector< uint8_t > &data) |
Format the vector data in lowercased hex. More... | |
std::string | esphome::format_hex_pretty (const uint8_t *data, size_t length) |
Format the byte array data of length len in pretty-printed, human-readable hex. More... | |
std::string | esphome::format_hex_pretty (const std::vector< uint8_t > &data) |
Format the vector data in pretty-printed, human-readable hex. More... | |
std::string | esphome::format_hex_pretty (const uint16_t *data, size_t length) |
Format the word array data of length len in pretty-printed, human-readable hex. More... | |
std::string | esphome::format_hex_pretty (const std::vector< uint16_t > &data) |
Format the vector data in pretty-printed, human-readable hex. More... | |
ParseOnOffState | esphome::parse_on_off (const char *str, const char *on=nullptr, const char *off=nullptr) |
Parse a string that contains either on, off or toggle. More... | |
std::string | esphome::value_accuracy_to_string (float value, int8_t accuracy_decimals) |
Create a string from a value and an accuracy in decimals. More... | |
int8_t | esphome::step_to_accuracy_decimals (float step) |
Derive accuracy in decimals from an increment step. More... | |
std::string | esphome::base64_encode (const std::vector< uint8_t > &buf) |
std::string | esphome::base64_encode (const uint8_t *buf, size_t buf_len) |
size_t | esphome::base64_decode (const std::string &encoded_string, uint8_t *buf, size_t buf_len) |
std::vector< uint8_t > | esphome::base64_decode (const std::string &encoded_string) |
Colors | |
float | esphome::gamma_correct (float value, float gamma) |
Applies gamma correction of gamma to value . More... | |
float | esphome::gamma_uncorrect (float value, float gamma) |
Reverts gamma correction of gamma to value . More... | |
void | esphome::rgb_to_hsv (float red, float green, float blue, int &hue, float &saturation, float &value) |
Convert red , green and blue (all 0-1) values to hue (0-360), saturation (0-1) and value (0-1). More... | |
void | esphome::hsv_to_rgb (int hue, float saturation, float value, float &red, float &green, float &blue) |
Convert hue (0-360), saturation (0-1) and value (0-1) to red , green and blue (all 0-1). More... | |
System APIs | |
void | esphome::get_mac_address_raw (uint8_t *mac) |
Get the device MAC address as raw bytes, written into the provided byte array (6 bytes). More... | |
std::string | esphome::get_mac_address () |
Get the device MAC address as a string, in lowercase hex notation. More... | |
std::string | esphome::get_mac_address_pretty () |
Get the device MAC address as a string, in colon-separated uppercase hex notation. More... | |
void | esphome::set_mac_address (uint8_t *mac) |
Set the MAC address to use from the provided byte array (6 bytes). More... | |
bool | esphome::has_custom_mac_address () |
Check if a custom MAC address is set (ESP32 & variants) More... | |
bool | esphome::mac_address_is_valid (const uint8_t *mac) |
Check if the MAC address is not all zeros or all ones. More... | |
void | esphome::delay_microseconds_safe (uint32_t us) |
Delay for the given amount of microseconds, possibly yielding to other processes during the wait. More... | |