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Update ZigbeeColorDimmableLight to clamp color hue and saturation to 0-254 (Fixes #11527) #11528

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Merged
merged 4 commits into from
Jul 2, 2025
+4 −2
Merged

Update ZigbeeColorDimmableLight to clamp color hue and saturation to 0-254 (Fixes #11527) #11528

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9330f1f
Clamp Zigbee color saturation to 0-254
thorrak Jun 29, 2025
73dde09
Clamp hue to 0-254 for Zigbee color lights
thorrak Jun 29, 2025
020aedd
Use std::min instead of ternary operator
thorrak Jun 29, 2025
de332e1
ci(pre-commit): Apply automatic fixes
pre-commit-ci-lite[bot] Jul 2, 2025
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6 changes: 4 additions & 2 deletions libraries/Zigbee/src/ep/ZigbeeColorDimmableLight.cpp
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
#include <algorithm>
#include "ZigbeeColorDimmableLight.h"
#if CONFIG_ZB_ENABLED

Expand Down Expand Up @@ -127,7 +128,8 @@ bool ZigbeeColorDimmableLight::setLight(bool state, uint8_t level, uint8_t red,

espXyColor_t xy_color = espRgbColorToXYColor(_current_color);
espHsvColor_t hsv_color = espRgbColorToHsvColor(_current_color);
uint8_t hue = (uint8_t)hsv_color.h;
uint8_t hue = std::min((uint8_t)hsv_color.h, (uint8_t)254); // Clamp to 0-254
uint8_t saturation = std::min((uint8_t)hsv_color.s, (uint8_t)254); // Clamp to 0-254

log_v("Updating light state: %d, level: %d, color: %d, %d, %d", state, level, red, green, blue);
/* Update light clusters */
Expand Down Expand Up @@ -174,7 +176,7 @@ bool ZigbeeColorDimmableLight::setLight(bool state, uint8_t level, uint8_t red,
}
//set saturation
ret = esp_zb_zcl_set_attribute_val(
_endpoint, ESP_ZB_ZCL_CLUSTER_ID_COLOR_CONTROL, ESP_ZB_ZCL_CLUSTER_SERVER_ROLE, ESP_ZB_ZCL_ATTR_COLOR_CONTROL_CURRENT_SATURATION_ID, &hsv_color.s, false
_endpoint, ESP_ZB_ZCL_CLUSTER_ID_COLOR_CONTROL, ESP_ZB_ZCL_CLUSTER_SERVER_ROLE, ESP_ZB_ZCL_ATTR_COLOR_CONTROL_CURRENT_SATURATION_ID, &saturation, false
);
if (ret != ESP_ZB_ZCL_STATUS_SUCCESS) {
log_e("Failed to set light saturation: 0x%x: %s", ret, esp_zb_zcl_status_to_name(ret));
Expand Down
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