utils.h File Reference

Define useful functions. More...

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Classes
union	lampda::COLOR
	Use this to convert color to bytes. More...

Namespaces
namespace	lampda
	Program scope.
namespace	lampda::utils
	Utility function and classes.

Functions
template<typename N >
static constexpr N	lampda::min (const N a, const N b)
	Minimum of two numbers.
template<typename N >
static constexpr N	lampda::max (const N a, const N b)
	Maximum of two numbers.
template<typename N >
static constexpr N	lampda::abs (const N a)
	absolute of a number
template<typename T >
static constexpr T	lampda::lmpd_constrain (const T &a, const T &mini, const T &maxi)
	Constrain a number between two numbers.
template<typename T = float>
static T	lampda::lmpd_map (float x, const float in_min, const float in_max, const float out_min, const float out_max)
	Linearly interpolate a number between two numbers.
static constexpr float	lampda::to_radians (float degrees)
	Convert an angle in degrees to an angle in radians.
static constexpr float	lampda::wrap_angle (const float angle_rad)
	Wrap an angle in radians between 0 and 2*PI.
uint32_t	lampda::utils::get_random_complementary_color (const uint32_t color, const float tolerance)
	Compute the complementary color of the given color, with a random variation.
uint32_t	lampda::utils::get_gradient (const uint32_t colorStart, const uint32_t colorEnd, const float level)
	Return the color gradient between colorStart to colorEnd.
COLOR	lampda::utils::color_fade (COLOR c1, uint8_t amount, bool video)
COLOR	lampda::utils::color_add (COLOR c1, COLOR c2, bool fast)
uint32_t	lampda::utils::hue_to_rgb_sinus (const uint16_t angle)
template<typename T >
static constexpr uint32_t	lampda::utils::hash (const T s, const uint16_t maxSize=14, const uint16_t off=0)
	Hash input string into a 32-bit unsigned integer.
constexpr double	lampda::utils::analogReadToVoltage (const uint16_t analogVal)
constexpr uint16_t	lampda::utils::voltageToAnalogRead (const float voltage)

Detailed Description

Define useful functions.