initial ESP-IDF project

Signed-off-by: Peter Siegmund <peter@rdkr.com>

ePaper-ESP-IDF/components/lilygo-epd47/touch.h

@@ -0,0 +1,49 @@
+#pragma once
+
+#ifndef ARDUINO
+#error touch.h requires the Arduino framework
+#endif
+
+#include <Arduino.h>
+#include <Wire.h>
+
+#define TOUCH_SLAVE_ADDRESS   0x5A
+
+class TouchClass
+{
+
+    typedef struct {
+        uint8_t id;
+        uint8_t state;
+        uint16_t x;
+        uint16_t y;
+    } TouchData_t;
+
+public:
+    bool    begin(TwoWire &port = Wire, uint8_t addr = TOUCH_SLAVE_ADDRESS);
+
+    uint8_t scanPoint();
+    void    getPoint(uint16_t &x, uint16_t &y, uint8_t index);
+    void    sleep(void);
+    void    wakeup(void);
+
+    TouchData_t data[5];
+
+private:
+    void    clearFlags(void);
+
+
+    void    readBytes(uint8_t *data, uint8_t nbytes);
+
+    uint8_t _address;
+    bool initialization = false;
+
+    TwoWire *_i2cPort;
+};
+
+
+
+
+
+
+