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Updating the touchscreen interface structure (#4596)

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Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
Co-authored-by: NP v/d Spek <github_mail@lumensoft.nl>
Co-authored-by: Clyde Stubbs <2366188+clydebarrow@users.noreply.github.com>
Co-authored-by: Gustavo Ambrozio <gustavo@gustavo.eng.br>
This commit is contained in:
NP v/d Spek
2023-12-12 23:56:01 +01:00
committed by GitHub
parent 8e92bb7958
commit c6dc336c4a
35 changed files with 997 additions and 836 deletions
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esphome/components/ft63x6/ft63x6.cpp
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/**************************************************************************/
/*!
Author: Gustavo Ambrozio
Based on work by: Atsushi Sasaki (https://github.com/aselectroworks/Arduino-FT6336U)
*/
/**************************************************************************/
#include "ft63x6.h"
#include "esphome/core/log.h"
// Registers
// Reference: https://focuslcds.com/content/FT6236.pdf
namespace esphome {
namespace ft63x6 {
static const uint8_t FT63X6_ADDR_TOUCH_COUNT = 0x02;
static const uint8_t FT63X6_ADDR_TOUCH1_ID = 0x05;
static const uint8_t FT63X6_ADDR_TOUCH1_X = 0x03;
static const uint8_t FT63X6_ADDR_TOUCH1_Y = 0x05;
static const uint8_t FT63X6_ADDR_TOUCH2_ID = 0x0B;
static const uint8_t FT63X6_ADDR_TOUCH2_X = 0x09;
static const uint8_t FT63X6_ADDR_TOUCH2_Y = 0x0B;
static const char *const TAG = "FT63X6Touchscreen";
void FT63X6Touchscreen::setup() {
ESP_LOGCONFIG(TAG, "Setting up FT63X6Touchscreen Touchscreen...");
if (this->interrupt_pin_ != nullptr) {
this->interrupt_pin_->pin_mode(gpio::FLAG_INPUT | gpio::FLAG_PULLUP);
this->interrupt_pin_->setup();
this->attach_interrupt_(this->interrupt_pin_, gpio::INTERRUPT_FALLING_EDGE);
}
if (this->reset_pin_ != nullptr) {
this->reset_pin_->setup();
}
this->hard_reset_();
// Get touch resolution
this->x_raw_max_ = 320;
this->y_raw_max_ = 480;
}
void FT63X6Touchscreen::update_touches() {
int touch_count = this->read_touch_count_();
if (touch_count == 0) {
return;
}
uint8_t touch_id = this->read_touch_id_(FT63X6_ADDR_TOUCH1_ID); // id1 = 0 or 1
int16_t x = this->read_touch_coordinate_(FT63X6_ADDR_TOUCH1_X);
int16_t y = this->read_touch_coordinate_(FT63X6_ADDR_TOUCH1_Y);
this->set_raw_touch_position_(touch_id, x, y);
if (touch_count >= 2) {
touch_id = this->read_touch_id_(FT63X6_ADDR_TOUCH2_ID); // id2 = 0 or 1(~id1 & 0x01)
x = this->read_touch_coordinate_(FT63X6_ADDR_TOUCH2_X);
y = this->read_touch_coordinate_(FT63X6_ADDR_TOUCH2_Y);
this->set_raw_touch_position_(touch_id, x, y);
}
}
void FT63X6Touchscreen::hard_reset_() {
if (this->reset_pin_ != nullptr) {
this->reset_pin_->digital_write(false);
delay(10);
this->reset_pin_->digital_write(true);
}
}
void FT63X6Touchscreen::dump_config() {
ESP_LOGCONFIG(TAG, "FT63X6 Touchscreen:");
LOG_I2C_DEVICE(this);
LOG_PIN(" Interrupt Pin: ", this->interrupt_pin_);
LOG_PIN(" Reset Pin: ", this->reset_pin_);
}
uint8_t FT63X6Touchscreen::read_touch_count_() { return this->read_byte_(FT63X6_ADDR_TOUCH_COUNT); }
// Touch functions
uint16_t FT63X6Touchscreen::read_touch_coordinate_(uint8_t coordinate) {
uint8_t read_buf[2];
read_buf[0] = this->read_byte_(coordinate);
read_buf[1] = this->read_byte_(coordinate + 1);
return ((read_buf[0] & 0x0f) << 8) | read_buf[1];
}
uint8_t FT63X6Touchscreen::read_touch_id_(uint8_t id_address) { return this->read_byte_(id_address) >> 4; }
uint8_t FT63X6Touchscreen::read_byte_(uint8_t addr) {
uint8_t byte = 0;
this->read_byte(addr, &byte);
return byte;
}
} // namespace ft63x6
} // namespace esphome