feat(lightbulb): Added cct range check in precision mode

Author: shixinke-orion

components/led/lightbulb_driver/CHANGELOG.md

@@ -1,5 +1,11 @@
 # ChangeLog
 
+## v1.3.2 - 2024-09-19
+
+### Enhancements:
+
+* Added cct range check in precision mode
+
 ## v1.3.1 - 2024-08-28
 
 ### Bug Fixes:

components/led/lightbulb_driver/idf_component.yml

@@ -1,4 +1,4 @@
-version: "1.3.1"
+version: "1.3.2"
 description: Provide multiple dimming driver solutions to easily build lightbulb applications
 url: https://github.com/espressif/esp-iot-solution/tree/master/components/led/lightbulb_driver
 dependencies:

components/led/lightbulb_driver/src/lightbulb.c

@@ -254,6 +254,14 @@ static uint8_t standard_kelvin_convert_to_percentage(uint16_t kelvin)
  */
 static uint8_t precise_kelvin_convert_to_percentage(uint16_t kelvin)
 {
+    // Ensure the input kelvin value is within the specified range
+    if (kelvin > s_lb_obj->cct_manager.kelvin_range.max) {
+        kelvin = s_lb_obj->cct_manager.kelvin_range.max;
+    }
+    if (kelvin < s_lb_obj->cct_manager.kelvin_range.min) {
+        kelvin = s_lb_obj->cct_manager.kelvin_range.min;
+    }
+
     // Ensure the input kelvin value is within the specified range
     lightbulb_cct_mapping_data_t data;
     data = search_mapping_cct_data(kelvin);
@@ -842,6 +850,9 @@ esp_err_t lightbulb_init(lightbulb_config_t *config)
                 s_lb_obj->cct_manager.mix_table = calloc(s_lb_obj->cct_manager.table_size, sizeof(lightbulb_cct_mapping_data_t));
                 LIGHTBULB_CHECK(s_lb_obj->cct_manager.mix_table, "calloc fail", goto EXIT);
 
+                s_lb_obj->cct_manager.kelvin_range.min = config->cct_mix_mode.precise.table[0].cct_kelvin;
+                s_lb_obj->cct_manager.kelvin_range.max = config->cct_mix_mode.precise.table[config->cct_mix_mode.precise.table_size - 1].cct_kelvin;
+
                 for (int i = 0; i < s_lb_obj->cct_manager.table_size; i++) {
                     memcpy(&s_lb_obj->cct_manager.mix_table[i], &config->cct_mix_mode.precise.table[i], sizeof(lightbulb_cct_mapping_data_t));
                 }