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testing touchscreen code
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103
src/input/TouchScreenCST226SE.cpp
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103
src/input/TouchScreenCST226SE.cpp
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#include "TouchScreenCST226SE.h"
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#include "variant.h"
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#ifdef HAS_CST226SE
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#include "PowerFSM.h"
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#include "Wire.h"
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#include "configuration.h"
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#include "modules/ExternalNotificationModule.h"
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volatile bool CST_IRQ = false;
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TouchScreenCST226SE *touchScreenCST226SE;
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TouchScreenCST226SE::TouchScreenCST226SE(uint16_t width, uint16_t height, bool (*getTouch)(int16_t *, int16_t *))
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: TouchScreenBase("touchscreen1", width, height), _getTouch(getTouch)
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{
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}
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void TouchScreenCST226SE::init()
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{
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for (uint8_t addr : PossibleAddresses) {
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if (touch.begin(Wire, addr, I2C_SDA, I2C_SCL)) {
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i2cAddress = addr;
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#ifdef TOUCHSCREEN_INT
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pinMode(TOUCHSCREEN_INT, INPUT);
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attachInterrupt(
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TOUCHSCREEN_INT, [] { CST_IRQ = true; }, RISING);
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#endif
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LOG_DEBUG("CST226SE init OK at address 0x%02X", addr);
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return;
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}
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}
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LOG_ERROR("CST226SE init failed at all known addresses");
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}
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bool TouchScreenCST226SE::getTouch(int16_t &x, int16_t &y)
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{
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if (!touch.isPressed())
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return false;
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int16_t x_array[1], y_array[1];
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uint8_t count = touch.getPoint(x_array, y_array, 1);
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if (count > 0) {
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x = x_array[0];
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y = y_array[0];
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return true;
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}
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return false;
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}
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void TouchScreenCST226SE::onEvent(const TouchEvent &event)
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{
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InputEvent e;
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e.source = event.source;
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e.touchX = event.x;
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e.touchY = event.y;
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switch (event.touchEvent) {
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case TOUCH_ACTION_LEFT: {
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e.inputEvent = static_cast<char>(meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_RIGHT);
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break;
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}
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case TOUCH_ACTION_RIGHT: {
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e.inputEvent = static_cast<char>(meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_LEFT);
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break;
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}
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case TOUCH_ACTION_UP: {
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e.inputEvent = static_cast<char>(meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_UP);
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break;
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}
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case TOUCH_ACTION_DOWN: {
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e.inputEvent = static_cast<char>(meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_DOWN);
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break;
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}
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case TOUCH_ACTION_DOUBLE_TAP: {
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e.inputEvent = static_cast<char>(meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_SELECT);
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break;
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}
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case TOUCH_ACTION_LONG_PRESS: {
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e.inputEvent = static_cast<char>(meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_CANCEL);
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break;
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}
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case TOUCH_ACTION_TAP: {
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if (moduleConfig.external_notification.enabled && (externalNotificationModule->nagCycleCutoff != UINT32_MAX)) {
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externalNotificationModule->stopNow();
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} else {
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powerFSM.trigger(EVENT_INPUT);
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}
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break;
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}
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default:
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return;
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}
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this->notifyObservers(&e);
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}
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#endif
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32
src/input/TouchScreenCST226SE.h
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32
src/input/TouchScreenCST226SE.h
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#pragma once
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#include "variant.h"
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#ifdef HAS_CST226SE
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#include "TouchScreenBase.h"
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#include "touch/TouchClassCST226.h"
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class TouchScreenCST226SE : public TouchScreenBase
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{
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public:
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TouchScreenCST226SE(uint16_t width, uint16_t height, bool (*getTouch)(int16_t *, int16_t *));
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void init(void);
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protected:
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virtual bool getTouch(int16_t &x, int16_t &y);
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virtual void onEvent(const TouchEvent &event);
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bool (*_getTouch)(int16_t *, int16_t *);
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private:
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TouchClassCST226 touch;
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uint8_t i2cAddress = 0;
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static constexpr uint8_t PossibleAddresses[2] = {CST226SE_ADDR, CST226SE_ADDR_ALT};
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};
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// For global reference in other code
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extern TouchScreenCST226SE *touchScreenCST226SE;
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#endif
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@ -51,8 +51,9 @@
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#undef LED_STATE_ON
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#undef LED_STATE_ON
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#undef LED_PIN
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#undef LED_PIN
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#define HAS_CST226SE 1
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#define HAS_TOUCHSCREEN 1
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#define HAS_TOUCHSCREEN 1
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#define SCREEN_TOUCH_INT 35
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#define TOUCHSCREEN_INT 35
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#define ST7796_NSS 25
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#define ST7796_NSS 25
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#define ST7796_RS 13 // DC
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#define ST7796_RS 13 // DC
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