Add support for TSC2007 touch controller

platformio.ini

@@ -124,6 +124,10 @@ lib_deps =
 lib_deps =
     git+https://github.com/aselectroworks/Arduino-FT6336U.git
 
+[tsc2007]
+lib_deps =
+    git+https://github.com/adafruit/Adafruit_TSC2007.git
+
 [gsl1680]
 lib_deps =
     git+https://github.com/arovak/GSL2038.git

src/drv/touch/touch_driver.h

@@ -84,6 +84,9 @@ class BaseTouch {
 #elif TOUCH_DRIVER == 0x1680
 #warning Building for GSL1680
 #include "touch_driver_gslx680.h"
+#elif TOUCH_DRIVER == 0x2007
+#warning Building for TSC2007
+#include "touch_driver_tsc2007.h"
 #elif defined(LGFX_USE_V1)
 #warning Building for LovyanGfx Touch
 #include "touch_driver_lovyangfx.h"

src/drv/touch/touch_driver_tsc2007.h

@@ -0,0 +1,104 @@
+/* MIT License - Copyright (c) 2019-2022 Francis Van Roie
+   For full license information read the LICENSE file in the project folder */
+
+#ifndef HASP_TSC2007_TOUCH_DRIVER_H
+#define HASP_TSC2007_TOUCH_DRIVER_H
+
+#if defined(ARDUINO) && !defined(HASP_USE_LGFX_TOUCH)
+#include <Arduino.h>
+#include "ArduinoLog.h"
+#include "hasp_conf.h"
+
+#include <Wire.h>
+#include "Adafruit_TSC2007.h"
+
+#include "touch_driver.h"    // base class
+#include "touch_helper.h"    // i2c scanner
+
+#include "hasp_debug.h"
+
+#include "../../hasp/hasp.h" // for hasp_sleep_state
+extern uint8_t hasp_sleep_state;
+
+// This is calibration data for the raw touch data to the screen coordinates
+#define TS_MINX 150
+#define TS_MINY 130
+#define TS_MAXX 3800
+#define TS_MAXY 4000
+#define TS_MIN_PRESSURE 100
+
+namespace dev {
+
+class TouchTsc2007 : public BaseTouch {
+  public:
+    Adafruit_TSC2007* ts;
+        
+    IRAM_ATTR bool read(lv_indev_drv_t* indev_driver, lv_indev_data_t* data)
+    {
+        uint16_t x, y, z1, z2;
+        if (ts->read_touch(&x, &y, &z1, &z2) && (z1 > TS_MIN_PRESSURE)) {
+            if(hasp_sleep_state != HASP_SLEEP_OFF) hasp_update_sleep_state(); // update Idle
+
+            data->state   = LV_INDEV_STATE_PR;
+            hasp_set_sleep_offset(0); // Reset the offset
+        
+            // Scale from ~0->4000 to tft.width using the calibration #'s
+            x = map(x, TS_MINX, TS_MAXX, 0, TFT_WIDTH);
+            y = map(y, TS_MINY, TS_MAXY, 0, TFT_HEIGHT);
+
+            // LOG_INFO(TAG_DRVR, F("Touch point: %i, %i"), x, y);
+
+#if defined(TOUCH_SWAP_XY) && (TOUCH_SWAP_XY)
+            data->point.x = y;
+            data->point.y = x;
+#else
+            data->point.x = x;
+            data->point.y = y;
+#endif
+
+#if defined(TOUCH_INVERSE_X) && (TOUCH_INVERSE_X)
+            data->point.x = _width_max - x;
+#endif
+#if defined(TOUCH_INVERSE_Y) && (TOUCH_INVERSE_Y)
+            data->point.y = _height_max - y;
+#endif
+
+        } else {
+            data->state = LV_INDEV_STATE_REL;
+        }
+
+        /*Return `false` because we are not buffering and no more data to read*/
+        return false;
+    }
+
+    void init(int w, int h)
+    {
+        _height_max = h - 1;
+        _width_max  = w - 1;
+
+        // tsc2007_touch = new Adafruit_TSC2007();
+        LOG_VERBOSE(TAG_DRVR, F("%s %d"), __FILE__, __LINE__);
+
+        ts = new Adafruit_TSC2007();
+
+        // Startup sequence CONTROLLER parT
+        if (!ts->begin()) {
+            LOG_INFO(TAG_DRVR, F("Failed to find Adafruit TSC2007 chip"));
+            while (1) { delay(10); }
+        }
+        LOG_INFO(TAG_DRVR, F("Found Adafruit TSC2007 chip"));
+    }
+
+  private:
+    uint16_t _width_max;
+    uint16_t _height_max;
+};
+
+} // namespace dev
+
+using dev::TouchTsc2007;
+dev::TouchTsc2007 haspTouch;
+
+#endif // ARDUINO
+
+#endif // HASP_TSC2007_TOUCH_DRIVER_H