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Code Issues Releases Wiki Activity

[gt911][cst226][ektf2232] Swap x and y calibration values (#8450)

Browse Source 
Co-authored-by: Keith Burzinski <kbx81x@gmail.com>
This commit is contained in:
Clyde Stubbs
2025-03-24 20:07:21 +11:00
committed by GitHub
parent 6787730aa4
commit 6cfe3ac44d
3 changed files with 33 additions and 23 deletions
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2
esphome/components/cst226/touchscreen/cst226_touchscreen.cpp
View File

@@ -72,6 +72,8 @@ void CST226Touchscreen::continue_setup_() {
if (this->read16_(0xD1F8, buffer, 4)) {
this->x_raw_max_ = buffer[0] + (buffer[1] << 8);
this->y_raw_max_ = buffer[2] + (buffer[3] << 8);
if (this->swap_x_y_)
std::swap(this->x_raw_max_, this->y_raw_max_);
} else {
this->x_raw_max_ = this->display_->get_native_width();
this->y_raw_max_ = this->display_->get_native_height();

35
esphome/components/ektf2232/touchscreen/ektf2232.cpp
View File

@@ -34,26 +34,29 @@ void EKTF2232Touchscreen::setup() {
// Get touch resolution
uint8_t received[4];
if (this->x_raw_max_ == this->x_raw_min_) {
this->write(GET_X_RES, 4);
if (this->read(received, 4)) {
ESP_LOGE(TAG, "Failed to read X resolution!");
if (this->x_raw_max_ == 0 || this->y_raw_max_ == 0) {
auto err = this->write(GET_X_RES, 4);
if (err == i2c::ERROR_OK) {
err = this->read(received, 4);
if (err == i2c::ERROR_OK) {
this->x_raw_max_ = ((received[2])) | ((received[3] & 0xf0) << 4);
err = this->write(GET_Y_RES, 4);
if (err == i2c::ERROR_OK) {
err = this->read(received, 4);
if (err == i2c::ERROR_OK) {
this->y_raw_max_ = ((received[2])) | ((received[3] & 0xf0) << 4);
}
}
}
}
if (err != i2c::ERROR_OK) {
ESP_LOGE(TAG, "Failed to read calibration values!");
this->interrupt_pin_->detach_interrupt();
this->mark_failed();
return;
}
this->x_raw_max_ = ((received[2])) | ((received[3] & 0xf0) << 4);
}
if (this->y_raw_max_ == this->y_raw_min_) {
this->write(GET_Y_RES, 4);
if (this->read(received, 4)) {
ESP_LOGE(TAG, "Failed to read Y resolution!");
this->interrupt_pin_->detach_interrupt();
this->mark_failed();
return;
}
this->y_raw_max_ = ((received[2])) | ((received[3] & 0xf0) << 4);
if (this->swap_x_y_)
std::swap(this->x_raw_max_, this->y_raw_max_);
}
this->set_power_state(true);
}

19
esphome/components/gt911/touchscreen/gt911_touchscreen.cpp
View File

@@ -60,20 +60,25 @@ void GT911Touchscreen::setup() {
}
}
}
if (err == i2c::ERROR_OK) {
err = this->write(GET_MAX_VALUES, 2);
if (this->x_raw_max_ == 0 || this->y_raw_max_ == 0) {
// no calibration? Attempt to read the max values from the touchscreen.
if (err == i2c::ERROR_OK) {
err = this->read(data, sizeof(data));
err = this->write(GET_MAX_VALUES, 2);
if (err == i2c::ERROR_OK) {
if (this->x_raw_max_ == this->x_raw_min_) {
err = this->read(data, sizeof(data));
if (err == i2c::ERROR_OK) {
this->x_raw_max_ = encode_uint16(data[1], data[0]);
}
if (this->y_raw_max_ == this->y_raw_min_) {
this->y_raw_max_ = encode_uint16(data[3], data[2]);
if (this->swap_x_y_)
std::swap(this->x_raw_max_, this->y_raw_max_);
}
esph_log_d(TAG, "calibration max_x/max_y %d/%d", this->x_raw_max_, this->y_raw_max_);
}
}
if (err != i2c::ERROR_OK) {
ESP_LOGE(TAG, "Failed to read calibration values from touchscreen!");
this->mark_failed();
return;
}
}
if (err != i2c::ERROR_OK) {
ESP_LOGE(TAG, "Failed to communicate!");