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Code Issues Releases Wiki Activity

[cst226] Add support for cst226 binary sensor (#8381)

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This commit is contained in:
Clyde Stubbs
2025-05-05 17:56:30 +10:00
committed by GitHub
parent 3b8a5db97c
commit 6f35d0ac88
6 changed files with 112 additions and 15 deletions
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32
esphome/components/cst226/touchscreen/cst226_touchscreen.cpp
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@@ -3,8 +3,10 @@
namespace esphome {
namespace cst226 {
static const char *const TAG = "cst226.touchscreen";
void CST226Touchscreen::setup() {
esph_log_config(TAG, "Setting up CST226 Touchscreen...");
ESP_LOGCONFIG(TAG, "Setting up CST226 Touchscreen...");
if (this->reset_pin_ != nullptr) {
this->reset_pin_->setup();
this->reset_pin_->digital_write(true);
@@ -26,6 +28,11 @@ void CST226Touchscreen::update_touches() {
return;
}
this->status_clear_warning();
if (data[0] == 0x83 && data[1] == 0x17 && data[5] == 0x80) {
this->update_button_state_(true);
return;
}
this->update_button_state_(false);
if (data[6] != 0xAB || data[0] == 0xAB || data[5] == 0x80) {
this->skip_update_ = true;
return;
@@ -43,13 +50,21 @@ void CST226Touchscreen::update_touches() {
int16_t y = (data[index + 2] << 4) | (data[index + 3] & 0x0F);
int16_t z = data[index + 4];
this->add_raw_touch_position_(id, x, y, z);
esph_log_v(TAG, "Read touch %d: %d/%d", id, x, y);
ESP_LOGV(TAG, "Read touch %d: %d/%d", id, x, y);
index += 5;
if (i == 0)
index += 2;
}
}
bool CST226Touchscreen::read16_(uint16_t addr, uint8_t *data, size_t len) {
if (this->read_register16(addr, data, len) != i2c::ERROR_OK) {
ESP_LOGE(TAG, "Read data from 0x%04X failed", addr);
this->mark_failed();
return false;
}
return true;
}
void CST226Touchscreen::continue_setup_() {
uint8_t buffer[8];
if (this->interrupt_pin_ != nullptr) {
@@ -58,7 +73,7 @@ void CST226Touchscreen::continue_setup_() {
}
buffer[0] = 0xD1;
if (this->write_register16(0xD1, buffer, 1) != i2c::ERROR_OK) {
esph_log_e(TAG, "Write byte to 0xD1 failed");
ESP_LOGE(TAG, "Write byte to 0xD1 failed");
this->mark_failed();
return;
}
@@ -66,7 +81,7 @@ void CST226Touchscreen::continue_setup_() {
if (this->read16_(0xD204, buffer, 4)) {
uint16_t chip_id = buffer[2] + (buffer[3] << 8);
uint16_t project_id = buffer[0] + (buffer[1] << 8);
esph_log_config(TAG, "Chip ID %X, project ID %x", chip_id, project_id);
ESP_LOGCONFIG(TAG, "Chip ID %X, project ID %x", chip_id, project_id);
}
if (this->x_raw_max_ == 0 || this->y_raw_max_ == 0) {
if (this->read16_(0xD1F8, buffer, 4)) {
@@ -80,7 +95,14 @@ void CST226Touchscreen::continue_setup_() {
}
}
this->setup_complete_ = true;
esph_log_config(TAG, "CST226 Touchscreen setup complete");
ESP_LOGCONFIG(TAG, "CST226 Touchscreen setup complete");
}
void CST226Touchscreen::update_button_state_(bool state) {
if (this->button_touched_ == state)
return;
this->button_touched_ = state;
for (auto *listener : this->button_listeners_)
listener->update_button(state);
}
void CST226Touchscreen::dump_config() {