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Code Issues Releases Wiki Activity

help with setup

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This commit is contained in:
J. Nick Koston
2025-06-12 17:23:10 -05:00
parent 6d9d22d422
commit b3c43ce31f
2 changed files with 24 additions and 28 deletions
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1
esphome/components/esp32_touch/esp32_touch.h
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@@ -107,7 +107,6 @@ class ESP32TouchComponent : public Component {
// ESP32-S2/S3 v2 specific
static void touch_isr_handler(void *arg);
QueueHandle_t touch_queue_{nullptr};
bool initial_state_read_{false};
// Filter configuration
touch_filter_mode_t filter_mode_{TOUCH_PAD_FILTER_MAX};

51
esphome/components/esp32_touch/esp32_touch_v2.cpp
View File

@@ -111,6 +111,29 @@ void ESP32TouchComponent::setup() {
touch_pad_set_thresh(child->get_touch_pad(), child->get_threshold());
}
}
// Read initial states after all hardware is initialized
for (auto *child : this->children_) {
// Read current value
uint32_t value = 0;
if (this->filter_configured_()) {
touch_pad_filter_read_smooth(child->get_touch_pad(), &value);
} else {
touch_pad_read_raw_data(child->get_touch_pad(), &value);
}
// IMPORTANT: ESP32-S2/S3 v2 touch detection logic - INVERTED compared to v1!
// ESP32-S2/S3 v2: Touch is detected when capacitance INCREASES, causing the measured value to INCREASE
// Therefore: touched = (value > threshold)
// This is opposite to original ESP32 v1 where touched = (value < threshold)
bool is_touched = value > child->get_threshold();
child->last_state_ = is_touched;
child->publish_initial_state(is_touched);
// Note: ESP32-S2/S3 v2 uses inverted logic compared to v1 - touched when value > threshold
ESP_LOGD(TAG, "Touch Pad '%s' initial state: %s (value: %d %s threshold: %d)", child->get_name().c_str(),
is_touched ? "touched" : "released", value, is_touched ? ">" : "<=", child->get_threshold());
}
}
void ESP32TouchComponent::dump_config() {
@@ -238,32 +261,6 @@ void ESP32TouchComponent::dump_config() {
void ESP32TouchComponent::loop() {
const uint32_t now = App.get_loop_component_start_time();
// Read initial states if not done yet
if (!this->initial_state_read_) {
this->initial_state_read_ = true;
for (auto *child : this->children_) {
// Read current value
uint32_t value = 0;
if (this->filter_configured_()) {
touch_pad_filter_read_smooth(child->get_touch_pad(), &value);
} else {
touch_pad_read_benchmark(child->get_touch_pad(), &value);
}
// IMPORTANT: ESP32-S2/S3 v2 touch detection logic - INVERTED compared to v1!
// ESP32-S2/S3 v2: Touch is detected when capacitance INCREASES, causing the measured value to INCREASE
// Therefore: touched = (value > threshold)
// This is opposite to original ESP32 v1 where touched = (value < threshold)
bool is_touched = value > child->get_threshold();
child->last_state_ = is_touched;
child->publish_state(is_touched);
// Note: ESP32-S2/S3 v2 uses inverted logic compared to v1 - touched when value > threshold
ESP_LOGD(TAG, "Touch Pad '%s' initial state: %s (value: %d %s threshold: %d)", child->get_name().c_str(),
is_touched ? "touched" : "released", value, is_touched ? ">" : "<=", child->get_threshold());
}
}
// Process any queued touch events from interrupts
TouchPadEventV2 event;
while (xQueueReceive(this->touch_queue_, &event, 0) == pdTRUE) {
@@ -297,7 +294,7 @@ void ESP32TouchComponent::loop() {
if (this->filter_configured_()) {
touch_pad_filter_read_smooth(event.pad, &value);
} else {
touch_pad_read_benchmark(event.pad, &value);
touch_pad_read_raw_data(event.pad, &value);
}
child->last_state_ = is_touch_event;