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feat(zigbee): Support min/max setting for Analog EP #11451

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Merged
merged 3 commits into from
Jun 10, 2025
Merged

feat(zigbee): Support min/max setting for Analog EP #11451

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91bf6c7
feat(zigbee): Support min max for Analog EP
P-R-O-C-H-Y Jun 9, 2025
0c8b1d2
feat(zigbee): Use cfloat FLT_MAX
P-R-O-C-H-Y Jun 9, 2025
ec747bb
ci(pre-commit): Apply automatic fixes
pre-commit-ci-lite[bot] Jun 10, 2025
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feat(zigbee): Support min max for Analog EP
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@P-R-O-C-H-Y
P-R-O-C-H-Y committed Jun 9, 2025
commit 91bf6c7282f73e04352e733d37f6748cceeb9bad
3 changes: 3 additions & 0 deletions libraries/Zigbee/examples/Zigbee_Analog_Input_Output/Zigbee_Analog_Input_Output.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,9 @@ void setup() {
zbAnalogDevice.setAnalogOutputDescription("Fan Speed (RPM)");
zbAnalogDevice.setAnalogOutputResolution(1);

// Set the min and max values for the analog output which is used by HA to limit the range of the analog output
zbAnalogDevice.setAnalogOutputMinMax(-10000, 10000); //-10000 to 10000 RPM

// If analog output cluster is added, set callback function for analog output change
zbAnalogDevice.onAnalogOutputChange(onAnalogOutputChange);

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84 changes: 84 additions & 0 deletions libraries/Zigbee/src/ep/ZigbeeAnalog.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,8 @@ bool ZigbeeAnalog::addAnalogInput() {
"Analog Input";
uint32_t application_type = 0x00000000 | (ESP_ZB_ZCL_AI_GROUP_ID << 24);
float resolution = 0.1; // Default resolution of 0.1
float min = -3.402823e+38; // Default min value for float
float max = 3.402823e+38; // Default max value for float

esp_err_t ret = esp_zb_analog_input_cluster_add_attr(esp_zb_analog_input_cluster, ESP_ZB_ZCL_ATTR_ANALOG_INPUT_DESCRIPTION_ID, (void *)default_description);
if (ret != ESP_OK) {
Expand All @@ -39,11 +41,24 @@ bool ZigbeeAnalog::addAnalogInput() {
return false;
}

ret = esp_zb_analog_input_cluster_add_attr(esp_zb_analog_input_cluster, ESP_ZB_ZCL_ATTR_ANALOG_INPUT_MIN_PRESENT_VALUE_ID, (void *)&min);
if (ret != ESP_OK) {
log_e("Failed to set min value: 0x%x: %s", ret, esp_err_to_name(ret));
return false;
}

ret = esp_zb_analog_input_cluster_add_attr(esp_zb_analog_input_cluster, ESP_ZB_ZCL_ATTR_ANALOG_INPUT_MAX_PRESENT_VALUE_ID, (void *)&max);
if (ret != ESP_OK) {
log_e("Failed to set max value: 0x%x: %s", ret, esp_err_to_name(ret));
return false;
}

ret = esp_zb_cluster_list_add_analog_input_cluster(_cluster_list, esp_zb_analog_input_cluster, ESP_ZB_ZCL_CLUSTER_SERVER_ROLE);
if (ret != ESP_OK) {
log_e("Failed to add Analog Input cluster: 0x%x: %s", ret, esp_err_to_name(ret));
return false;
}

_analog_clusters |= ANALOG_INPUT;
return true;
}
Expand Down Expand Up @@ -76,6 +91,8 @@ bool ZigbeeAnalog::addAnalogOutput() {
"Analog Output";
uint32_t application_type = 0x00000000 | (ESP_ZB_ZCL_AO_GROUP_ID << 24);
float resolution = 1; // Default resolution of 1
float min = -3.402823e+38; // Default min value for float
float max = 3.402823e+38; // Default max value for float

esp_err_t ret =
esp_zb_analog_output_cluster_add_attr(esp_zb_analog_output_cluster, ESP_ZB_ZCL_ATTR_ANALOG_OUTPUT_DESCRIPTION_ID, (void *)default_description);
Expand All @@ -96,6 +113,19 @@ bool ZigbeeAnalog::addAnalogOutput() {
return false;
}

ret = esp_zb_analog_output_cluster_add_attr(esp_zb_analog_output_cluster, ESP_ZB_ZCL_ATTR_ANALOG_OUTPUT_MIN_PRESENT_VALUE_ID, (void *)&min);
if (ret != ESP_OK) {
log_e("Failed to set min value: 0x%x: %s", ret, esp_err_to_name(ret));
return false;
}

ret = esp_zb_analog_output_cluster_add_attr(esp_zb_analog_output_cluster, ESP_ZB_ZCL_ATTR_ANALOG_OUTPUT_MAX_PRESENT_VALUE_ID, (void *)&max);
if (ret != ESP_OK) {
log_e("Failed to set max value: 0x%x: %s", ret, esp_err_to_name(ret));
return false;
}


ret = esp_zb_cluster_list_add_analog_output_cluster(_cluster_list, esp_zb_analog_output_cluster, ESP_ZB_ZCL_CLUSTER_SERVER_ROLE);
if (ret != ESP_OK) {
log_e("Failed to add Analog Output cluster: 0x%x: %s", ret, esp_err_to_name(ret));
Expand Down Expand Up @@ -376,4 +406,58 @@ bool ZigbeeAnalog::setAnalogOutputResolution(float resolution) {
return true;
}

bool ZigbeeAnalog::setAnalogOutputMinMax(float min, float max) {
if (!(_analog_clusters & ANALOG_OUTPUT)) {
log_e("Analog Output cluster not added");
return false;
}

esp_zb_attribute_list_t *analog_output_cluster =
esp_zb_cluster_list_get_cluster(_cluster_list, ESP_ZB_ZCL_CLUSTER_ID_ANALOG_OUTPUT, ESP_ZB_ZCL_CLUSTER_SERVER_ROLE);
if (analog_output_cluster == nullptr) {
log_e("Failed to get analog output cluster");
return false;
}

esp_err_t ret = esp_zb_cluster_update_attr(analog_output_cluster, ESP_ZB_ZCL_ATTR_ANALOG_OUTPUT_MIN_PRESENT_VALUE_ID, (void *)&min);
if (ret != ESP_OK) {
log_e("Failed to set min value: 0x%x: %s", ret, esp_err_to_name(ret));
return false;
}

ret = esp_zb_cluster_update_attr(analog_output_cluster, ESP_ZB_ZCL_ATTR_ANALOG_OUTPUT_MAX_PRESENT_VALUE_ID, (void *)&max);
if (ret != ESP_OK) {
log_e("Failed to set max value: 0x%x: %s", ret, esp_err_to_name(ret));
return false;
}
return true;
}

bool ZigbeeAnalog::setAnalogInputMinMax(float min, float max) {
if (!(_analog_clusters & ANALOG_INPUT)) {
log_e("Analog Input cluster not added");
return false;
}

esp_zb_attribute_list_t *analog_input_cluster =
esp_zb_cluster_list_get_cluster(_cluster_list, ESP_ZB_ZCL_CLUSTER_ID_ANALOG_INPUT, ESP_ZB_ZCL_CLUSTER_SERVER_ROLE);
if (analog_input_cluster == nullptr) {
log_e("Failed to get analog input cluster");
return false;
}

esp_err_t ret = esp_zb_cluster_update_attr(analog_input_cluster, ESP_ZB_ZCL_ATTR_ANALOG_INPUT_MIN_PRESENT_VALUE_ID, (void *)&min);
if (ret != ESP_OK) {
log_e("Failed to set min value: 0x%x: %s", ret, esp_err_to_name(ret));
return false;
}

ret = esp_zb_cluster_update_attr(analog_input_cluster, ESP_ZB_ZCL_ATTR_ANALOG_INPUT_MAX_PRESENT_VALUE_ID, (void *)&max);
if (ret != ESP_OK) {
log_e("Failed to set max value: 0x%x: %s", ret, esp_err_to_name(ret));
return false;
}
return true;
}

#endif // CONFIG_ZB_ENABLED
4 changes: 4 additions & 0 deletions libraries/Zigbee/src/ep/ZigbeeAnalog.h
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,10 @@ class ZigbeeAnalog : public ZigbeeEP {
bool setAnalogOutputDescription(const char *description);
bool setAnalogOutputResolution(float resolution);

// Set the min and max values for the analog Input/Output
bool setAnalogOutputMinMax(float min, float max);
bool setAnalogInputMinMax(float min, float max);

// Use to set a cb function to be called on analog output change
void onAnalogOutputChange(void (*callback)(float analog)) {
_on_analog_output_change = callback;
Expand Down
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