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Initial commit: ESP32-C6 Zigbee sensor switch project

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sam rolfe
2025-11-01 11:57:33 +11:00
commit a8fc24fdf5
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5
common/light_driver/CMakeLists.txt Normal file
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idf_component_register(SRC_DIRS "src"
INCLUDE_DIRS "include"
REQUIRES
led_strip
)

125
common/light_driver/include/light_driver.h Normal file
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/*
* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: CC0-1.0
*
* Zigbee light driver example
*
* This example code is in the Public Domain (or CC0 licensed, at your option.)
*
* Unless required by applicable law or agreed to in writing, this
* software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, either express or implied.
*/
#pragma once
#include <stdbool.h>
#include <math.h>
#ifdef __cplusplus
extern "C" {
#endif
/* light intensity level */
#define LIGHT_DEFAULT_ON 1
#define LIGHT_DEFAULT_OFF 0
/* LED strip configuration */
#define CONFIG_EXAMPLE_STRIP_LED_GPIO 8
#define CONFIG_EXAMPLE_STRIP_LED_NUMBER 1
/** Convert Hue,Saturation,V to RGB
* RGB - [0..0xffff]
* hue - [0..0xff]
* Sat - [0..0xff]
* V always = (ZB_UINT16_MAX-1)
*/
#define HSV_to_RGB(h, s, v, r, g, b ) \
{ \
uint8_t i; \
uint8_t sector = UINT8_MAX/6; \
float f, p, q, t; \
if( s == 0 ) { /* achromatic (grey)*/ \
r = g = b = (v); \
} \
else \
{ \
i = h / sector; /* sector 0 to 5 */ \
f = h % sector; /* factorial part of h*/ \
p = (float)(v * ( 1.0 - (float)s/UINT8_MAX )); \
q = (float)(v * ( 1.0 - (float)s/UINT8_MAX * f/(float)sector )); \
t = (float)(v * ( 1.0 - (float)s/UINT8_MAX * ( 1 - f/(float)sector ) )); \
switch( i ) { \
case 0: r = (v); g = t; b = p; break; \
case 1: r = q; g = (v); b = p; break; \
case 2: r = p; g = (v); b = t; break; \
case 3: r = p; g = q; b = (v); break; \
case 4: r = t; g = p; b = (v); break; \
case 5: \
default: r = (v); g = p; b = q; break; \
} \
} \
}
#define XYZ_to_RGB(X, Y, Z, r, g, b) \
{ \
r = (float)( 3.240479*(X) -1.537150*(Y) -0.498535*(Z)); \
g = (float)(-0.969256*(X) +1.875992*(Y) +0.041556*(Z)); \
b = (float)( 0.055648*(X) -0.204043*(Y) +1.057311*(Z)); \
if(r>1){r=1;} \
if(g>1){g=1;} \
if(b>1){b=1;} \
}
/**
* @brief Set light power (on/off).
*
* @param power The light power to be set
*/
void light_driver_set_power(bool power);
/**
* @brief color light driver init, be invoked where you want to use color light
*
* @param power power on/off
*/
void light_driver_init(bool power);
/**
* @brief Set light level
*
* @param level The light level to be set
*/
void light_driver_set_level(uint8_t level);
/**
* @brief Set light color from RGB
*
* @param red The red color to be set
* @param green The green color to be set
* @param blue The blue color to be set
*/
void light_driver_set_color_RGB(uint8_t red, uint8_t green, uint8_t blue);
/**
* @brief Set light color from color xy
*
* @param color_currentx The color x to be set
* @param color_currenty The color y to be set
*/
void light_driver_set_color_xy(uint16_t color_current_x, uint16_t color_current_y);
/**
* @brief Set light color from hue saturation
*
* @param hue The hue to be set
* @param sat The sat to be set
*/
void light_driver_set_color_hue_sat(uint8_t hue, uint8_t sat);
#ifdef __cplusplus
} // extern "C"
#endif

89
common/light_driver/src/light_driver.c Normal file
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/*
* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: CC0-1.0
*
* Zigbee light driver example
*
* This example code is in the Public Domain (or CC0 licensed, at your option.)
*
* Unless required by applicable law or agreed to in writing, this
* software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, either express or implied.
*/
#include "esp_log.h"
#include "led_strip.h"
#include "light_driver.h"
static led_strip_handle_t s_led_strip;
static uint8_t s_red = 255, s_green = 255, s_blue = 255, s_level = 255;
void light_driver_set_color_xy(uint16_t color_current_x, uint16_t color_current_y)
{
float red_f = 0, green_f = 0, blue_f = 0, color_x, color_y;
color_x = (float)color_current_x / 65535;
color_y = (float)color_current_y / 65535;
/* assume color_Y is full light level value 1 (0-1.0) */
float color_X = color_x / color_y;
float color_Z = (1 - color_x - color_y) / color_y;
/* change from xy to linear RGB NOT sRGB */
XYZ_to_RGB(color_X, 1, color_Z, red_f, green_f, blue_f);
float ratio = (float)s_level / 255;
s_red = (uint8_t)(red_f * (float)255);
s_green = (uint8_t)(green_f * (float)255);
s_blue = (uint8_t)(blue_f * (float)255);
ESP_ERROR_CHECK(led_strip_set_pixel(s_led_strip, 0, s_red * ratio, s_green * ratio, s_blue * ratio));
ESP_ERROR_CHECK(led_strip_refresh(s_led_strip));
}
void light_driver_set_color_hue_sat(uint8_t hue, uint8_t sat)
{
float red_f, green_f, blue_f;
HSV_to_RGB(hue, sat, UINT8_MAX, red_f, green_f, blue_f);
float ratio = (float)s_level / 255;
s_red = (uint8_t)red_f;
s_green = (uint8_t)green_f;
s_blue = (uint8_t)blue_f;
ESP_ERROR_CHECK(led_strip_set_pixel(s_led_strip, 0, s_red * ratio, s_green * ratio, s_blue * ratio));
ESP_ERROR_CHECK(led_strip_refresh(s_led_strip));
}
void light_driver_set_color_RGB(uint8_t red, uint8_t green, uint8_t blue)
{
float ratio = (float)s_level / 255;
s_red = red;
s_green = green;
s_blue = blue;
ESP_ERROR_CHECK(led_strip_set_pixel(s_led_strip, 0, red * ratio, green * ratio, blue * ratio));
ESP_ERROR_CHECK(led_strip_refresh(s_led_strip));
}
void light_driver_set_power(bool power)
{
ESP_ERROR_CHECK(led_strip_set_pixel(s_led_strip, 0, s_red * power, s_green * power, s_blue * power));
ESP_ERROR_CHECK(led_strip_refresh(s_led_strip));
}
void light_driver_set_level(uint8_t level)
{
s_level = level;
float ratio = (float)s_level / 255;
ESP_ERROR_CHECK(led_strip_set_pixel(s_led_strip, 0, s_red * ratio, s_green * ratio, s_blue * ratio));
ESP_ERROR_CHECK(led_strip_refresh(s_led_strip));
}
void light_driver_init(bool power)
{
led_strip_config_t led_strip_conf = {
.max_leds = CONFIG_EXAMPLE_STRIP_LED_NUMBER,
.strip_gpio_num = CONFIG_EXAMPLE_STRIP_LED_GPIO,
};
led_strip_rmt_config_t rmt_conf = {
.resolution_hz = 10 * 1000 * 1000, // 10MHz
};
ESP_ERROR_CHECK(led_strip_new_rmt_device(&led_strip_conf, &rmt_conf, &s_led_strip));
light_driver_set_power(power);
}