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SourceVuESP-IDF Framework and Examplesdf_server samplelightbulb_rgb2hsv()

lightbulb_rgb2hsv() function

Convert RGB model to HSV model

Syntax

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Summary

Declaration

Definition

from lightbulb.h:439

esp_err_t lightbulb_rgb2hsv(uint16_t red, uint16_t green, uint16_t blue, uint16_t *hue, uint8_t *saturation, uint8_t *value);

Implemented in lightbulb.c:815

Arguments

Argument

Description

red

range: 0-255

green

range: 0-255

blue

range: 0-255

hue

range: 0-360

saturation

range: 0-100

value

range: 0-100

Return value

esp_err_t

Notes

RGB model color depth is 8 bit

References

Code

Location

Referrer

esp_err_t lightbulb_rgb2hsv(uint16_t red, uint16_t green, uint16_t blue, uint16_t *hue, uint8_t *saturation, uint8_t *value)

lightbulb.c:815

esp_err_t lightbulb_rgb2hsv(uint16_t red, uint16_t green, uint16_t blue, uint16_t *hue, uint8_t *saturation, uint8_t *value);

lightbulb.h:439

lightbulb_rgb2hsv(r, g, b, &h, &s, &v);

lightbulb.c:652

lightbulb_set_xyy()

Call Tree

lightbulb_rgb2hsv() is called by 1 function and calls 2 functions:

lightbulb_set_xyy()

lightbulb_rgb2hsv()

esp_log_timestamp()

esp_log_write()

Data Use

lightbulb_rgb2hsv() reads 6 variables:

esp_log_level_t::ESP_LOG_ERROR

esp_log_level_t::ESP_LOG_WARN

esp_log_level_t::ESP_LOG_INFO

esp_log_level_t::ESP_LOG_DEBUG

esp_log_level_t::ESP_LOG_VERBOSE

TAG

lightbulb_rgb2hsv()

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