rak10701: support touchscreen (#4104)

* Add the touch screen driver RAK10701 platform, lib_deps https://github.com/RAKWireless/RAK14014-FT6336U * Added RAK10701 touch screen virtual keyboard, supporting cannedMessageModule free text
2024-06-15 08:36:20 +08:00 · 2024-06-15 08:36:20 +08:00 · e55604b8e5
commit e55604b8e5
--- a/src/graphics/TFTDisplay.cpp
+++ b/src/graphics/TFTDisplay.cpp
@ -118,7 +118,15 @@ static LGFX *tft = nullptr;

 #elif defined(RAK14014)
 #include <TFT_eSPI.h>
+#include <RAK14014_FT6336U.h>
 TFT_eSPI *tft = nullptr;
+FT6336U ft6336u;
+
+static uint8_t _rak14014_touch_int = false; // TP interrupt generation flag.
+static void rak14014_tpIntHandle(void)
+{
+    _rak14014_touch_int = true;
+}

 #elif defined(ST7789_CS)
 #include <LovyanGFX.hpp> // Graphics and font library for ST7735 driver chip
@ -642,8 +650,12 @@ void TFTDisplay::sendCommand(uint8_t com)

 void TFTDisplay::setDisplayBrightness(uint8_t _brightness)
 {
+#ifdef RAK14014
+    //todo
+#else
    tft->setBrightness(_brightness);
    LOG_DEBUG("Brightness is set to value: %i \n", _brightness);
+#endif
 }

 void TFTDisplay::flipScreenVertically()
@ -657,6 +669,7 @@ void TFTDisplay::flipScreenVertically()
 bool TFTDisplay::hasTouch(void)
 {
 #ifdef RAK14014
+    return true;
 #elif !defined(M5STACK)
    return tft->touch() != nullptr;
 #else
@ -667,6 +680,15 @@ bool TFTDisplay::hasTouch(void)
 bool TFTDisplay::getTouch(int16_t *x, int16_t *y)
 {
 #ifdef RAK14014
+    if(_rak14014_touch_int) {
+        _rak14014_touch_int = false;
+        /* The X and Y axes have to be switched */
+        *y = ft6336u.read_touch1_x();
+        *x = TFT_HEIGHT - ft6336u.read_touch1_y();
+        return true;
+    } else {
+        return false;
+    }
 #elif !defined(M5STACK)
    return tft->getTouch(x, y);
 #else
@ -717,6 +739,9 @@ bool TFTDisplay::connect()
    tft->setRotation(1);
    tft->setSwapBytes(true);
 //    tft->fillScreen(TFT_BLACK);
+    ft6336u.begin();
+    pinMode(SCREEN_TOUCH_INT, INPUT_PULLUP);
+    attachInterrupt(digitalPinToInterrupt(SCREEN_TOUCH_INT), rak14014_tpIntHandle, FALLING);
 #elif defined(T_DECK) || defined(PICOMPUTER_S3) || defined(CHATTER_2)
    tft->setRotation(1); // T-Deck has the TFT in landscape
 #elif defined(T_WATCH_S3)
--- a/src/modules/CannedMessageModule.cpp
+++ b/src/modules/CannedMessageModule.cpp
@ -49,7 +49,7 @@ CannedMessageModule::CannedMessageModule()
            LOG_INFO("CannedMessageModule is enabled\n");

            // T-Watch interface currently has no way to select destination type, so default to 'node'
-#ifdef T_WATCH_S3
+#if defined(T_WATCH_S3) || defined(RAK14014)
            this->destSelect = CANNED_MESSAGE_DESTINATION_TYPE_NODE;
 #endif

@ -75,7 +75,7 @@ int CannedMessageModule::splitConfiguredMessages()

    String messages = cannedMessageModuleConfig.messages;

-#ifdef T_WATCH_S3
+#if defined(T_WATCH_S3) || defined(RAK14014)
    String separator = messages.length() ? "|" : "";

    messages = "[---- Free Text ----]" + separator + messages;
@ -144,7 +144,7 @@ int CannedMessageModule::handleInputEvent(const InputEvent *event)
    }
    if (event->inputEvent == static_cast<char>(meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_SELECT)) {

-#ifdef T_WATCH_S3
+#if defined(T_WATCH_S3) || defined(RAK14014)
        if (this->currentMessageIndex == 0) {
            this->runState = CANNED_MESSAGE_RUN_STATE_FREETEXT;

@ -170,7 +170,7 @@ int CannedMessageModule::handleInputEvent(const InputEvent *event)
        e.frameChanged = true;
        this->currentMessageIndex = -1;

-#ifndef T_WATCH_S3
+#if !defined(T_WATCH_S3) && !defined(RAK14014)
        this->freetext = ""; // clear freetext
        this->cursor = 0;
        this->destSelect = CANNED_MESSAGE_DESTINATION_TYPE_NONE;
@ -183,7 +183,7 @@ int CannedMessageModule::handleInputEvent(const InputEvent *event)
        (event->inputEvent == static_cast<char>(meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_LEFT)) ||
        (event->inputEvent == static_cast<char>(meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_RIGHT))) {

-#ifdef T_WATCH_S3
+#if defined(T_WATCH_S3) || defined(RAK14014)
        if (event->inputEvent == static_cast<char>(meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_LEFT)) {
            this->payload = 0xb4;
        } else if (event->inputEvent == static_cast<char>(meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_RIGHT)) {
@ -283,7 +283,7 @@ int CannedMessageModule::handleInputEvent(const InputEvent *event)
        }
    }

-#ifdef T_WATCH_S3
+#if defined(T_WATCH_S3) || defined(RAK14014)
    if (this->runState == CANNED_MESSAGE_RUN_STATE_FREETEXT) {
        String keyTapped = keyForCoordinates(event->touchX, event->touchY);

@ -404,7 +404,7 @@ int32_t CannedMessageModule::runOnce()
        this->freetext = ""; // clear freetext
        this->cursor = 0;

-#ifndef T_WATCH_S3
+#if !defined(T_WATCH_S3) && !defined(RAK14014)
        this->destSelect = CANNED_MESSAGE_DESTINATION_TYPE_NONE;
 #endif

@ -417,7 +417,7 @@ int32_t CannedMessageModule::runOnce()
        this->freetext = ""; // clear freetext
        this->cursor = 0;

-#ifndef T_WATCH_S3
+#if !defined(T_WATCH_S3) && !defined(RAK14014)
        this->destSelect = CANNED_MESSAGE_DESTINATION_TYPE_NONE;
 #endif

@ -437,7 +437,7 @@ int32_t CannedMessageModule::runOnce()
                    powerFSM.trigger(EVENT_PRESS);
                    return INT32_MAX;
                } else {
-#ifdef T_WATCH_S3
+#if defined(T_WATCH_S3) || defined(RAK14014)
                    sendText(this->dest, indexChannels[this->channel], this->messages[this->currentMessageIndex], true);
 #else
                    sendText(NODENUM_BROADCAST, channels.getPrimaryIndex(), this->messages[this->currentMessageIndex], true);
@ -454,7 +454,7 @@ int32_t CannedMessageModule::runOnce()
        this->freetext = ""; // clear freetext
        this->cursor = 0;

-#ifndef T_WATCH_S3
+#if !defined(T_WATCH_S3) && !defined(RAK14014)
        this->destSelect = CANNED_MESSAGE_DESTINATION_TYPE_NONE;
 #endif

@ -471,7 +471,7 @@ int32_t CannedMessageModule::runOnce()
            this->freetext = ""; // clear freetext
            this->cursor = 0;

-#ifndef T_WATCH_S3
+#if !defined(T_WATCH_S3) && !defined(RAK14014)
            this->destSelect = CANNED_MESSAGE_DESTINATION_TYPE_NONE;
 #endif

@ -484,7 +484,7 @@ int32_t CannedMessageModule::runOnce()
            this->freetext = ""; // clear freetext
            this->cursor = 0;

-#ifndef T_WATCH_S3
+#if !defined(T_WATCH_S3) && !defined(RAK14014)
            this->destSelect = CANNED_MESSAGE_DESTINATION_TYPE_NONE;
 #endif

@ -714,7 +714,7 @@ void CannedMessageModule::showTemporaryMessage(const String &message)
    setIntervalFromNow(2000);
 }

-#ifdef T_WATCH_S3
+#if defined(T_WATCH_S3) || defined(RAK14014)

 String CannedMessageModule::keyForCoordinates(uint x, uint y)
 {
@ -949,7 +949,7 @@ void CannedMessageModule::drawFrame(OLEDDisplay *display, OLEDDisplayUiState *st
        display->drawString(10 + x, 0 + y + FONT_HEIGHT_SMALL, "Canned Message\nModule disabled.");
    } else if (cannedMessageModule->runState == CANNED_MESSAGE_RUN_STATE_FREETEXT) {

-#ifdef T_WATCH_S3
+#if defined(T_WATCH_S3) || defined(RAK14014)
        drawKeyboard(display, state, 0, 0);
 #else

--- a/src/modules/CannedMessageModule.h
+++ b/src/modules/CannedMessageModule.h
@ -98,7 +98,7 @@ class CannedMessageModule : public SinglePortModule, public Observable<const UIF
    int getNextIndex();
    int getPrevIndex();

-#ifdef T_WATCH_S3
+#if defined(T_WATCH_S3) || defined(RAK14014)
    void drawKeyboard(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16_t y);
    String keyForCoordinates(uint x, uint y);
    bool shift = false;
@ -150,7 +150,7 @@ class CannedMessageModule : public SinglePortModule, public Observable<const UIF
    unsigned long lastTouchMillis = 0;
    String temporaryMessage;

-#ifdef T_WATCH_S3
+#if defined(T_WATCH_S3) || defined(RAK14014)
    Letter keyboard[2][4][10] = {{{{"Q", 20, 0, 0, 0, 0},
                                   {"W", 22, 0, 0, 0, 0},
                                   {"E", 17, 0, 0, 0, 0},
--- a/variants/rak10701/platformio.ini
+++ b/variants/rak10701/platformio.ini
@ -17,6 +17,8 @@ lib_deps =
  https://github.com/RAKWireless/RAK13800-W5100S.git#1.0.2
  rakwireless/RAKwireless NCP5623 RGB LED library@^1.0.2
  bodmer/TFT_eSPI
+  beegee-tokyo/RAKwireless RAK12034@^1.0.0
+  beegee-tokyo/RAK14014-FT6336U @ 1.0.1
 debug_tool = jlink
 ; If not set we will default to uploading over serial (first it forces bootloader entry by talking 1200bps to cdcacm)
 ;upload_protocol = jlink
--- a/variants/rak10701/variant.h
+++ b/variants/rak10701/variant.h
@ -307,10 +307,10 @@ SO GPIO 39/TXEN MAY NOT BE DEFINED FOR SUCCESSFUL OPERATION OF THE SX1262 - TG
 #define SCREEN_ROTATE
 #define SCREEN_TRANSITION_FRAMERATE 5

-#define HAS_TOUCHSCREEN 0
-#define SCREEN_TOUCH_INT 10 // From tp.h on the tracker open source code.
-#define TOUCH_I2C_PORT 0
-#define TOUCH_SLAVE_ADDRESS 0x5D // GT911
+#define HAS_TOUCHSCREEN 1
+#define SCREEN_TOUCH_INT WB_IO6
+
+#define CANNED_MESSAGE_MODULE_ENABLE 1

 /*----------------------------------------------------------------------------
 *        Arduino objects - C++ only