First init.

libraries/Adafruit_seesaw_Library/Adafruit_NeoTrellis.h

@@ -0,0 +1,95 @@
+#ifndef _NEO_TRELLIS_H
+#define _NEO_TRELLIS_H
+
+#include "Adafruit_seesaw.h"
+#include "seesaw_neopixel.h"
+#include <Arduino.h>
+
+#define NEO_TRELLIS_ADDR 0x2E
+
+#define NEO_TRELLIS_NEOPIX_PIN 3
+
+#define NEO_TRELLIS_NUM_ROWS 4
+#define NEO_TRELLIS_NUM_COLS 4
+#define NEO_TRELLIS_NUM_KEYS (NEO_TRELLIS_NUM_ROWS * NEO_TRELLIS_NUM_COLS)
+
+#define NEO_TRELLIS_MAX_CALLBACKS 32
+
+#define NEO_TRELLIS_KEY(x) (((x) / 4) * 8 + ((x) % 4))
+#define NEO_TRELLIS_SEESAW_KEY(x) (((x) / 8) * 4 + ((x) % 8))
+
+#define NEO_TRELLIS_X(k) ((k) % 4)
+#define NEO_TRELLIS_Y(k) ((k) / 4)
+
+#define NEO_TRELLIS_XY(x, y) ((y)*NEO_TRELLIS_NUM_COLS + (x))
+
+typedef void (*TrellisCallback)(keyEvent evt);
+
+/**************************************************************************/
+/*!
+    @brief  Class that stores state and functions for interacting with the
+   seesaw keypad module
+*/
+/**************************************************************************/
+class Adafruit_NeoTrellis : public Adafruit_seesaw {
+public:
+  Adafruit_NeoTrellis(uint8_t addr = NEO_TRELLIS_ADDR,
+                      TwoWire *i2c_bus = &Wire);
+  ~Adafruit_NeoTrellis(){};
+
+  bool begin(uint8_t addr = NEO_TRELLIS_ADDR, int8_t flow = -1);
+
+  void registerCallback(uint8_t key, TrellisCallback (*cb)(keyEvent));
+  void unregisterCallback(uint8_t key);
+
+  void activateKey(uint8_t key, uint8_t edge, bool enable = true);
+
+  void read(bool polling = true);
+
+  seesaw_NeoPixel pixels; ///< the onboard neopixel matrix
+
+  friend class Adafruit_MultiTrellis; ///< for allowing use of protected methods
+                                      ///< by aggregate class
+
+protected:
+  uint8_t _addr; ///< the I2C address of this board
+  TrellisCallback (*_callbacks[NEO_TRELLIS_NUM_KEYS])(
+      keyEvent); ///< the array of callback functions
+};
+
+/**************************************************************************/
+/*!
+    @brief  Class that stores state and functions for interacting with multiple
+   neotrellis boards
+*/
+/**************************************************************************/
+class Adafruit_MultiTrellis {
+public:
+  Adafruit_MultiTrellis(Adafruit_NeoTrellis *trelli, uint8_t rows,
+                        uint8_t cols);
+  ~Adafruit_MultiTrellis(){};
+
+  bool begin();
+
+  void registerCallback(uint16_t num, TrellisCallback (*cb)(keyEvent));
+  void registerCallback(uint8_t x, uint8_t y, TrellisCallback (*cb)(keyEvent));
+  void unregisterCallback(uint16_t num);
+  void unregisterCallback(uint8_t x, uint8_t y);
+
+  void activateKey(uint16_t num, uint8_t edge, bool enable = true);
+  void activateKey(uint8_t x, uint8_t y, uint8_t edge, bool enable = true);
+
+  void setPixelColor(uint8_t x, uint8_t y, uint32_t color);
+  void setPixelColor(uint16_t num, uint32_t color);
+  void show();
+
+  void read();
+
+protected:
+  uint8_t _rows; ///< the number of trellis boards in the Y direction
+  uint8_t _cols; ///< the number of trellis boards in the X direction
+  Adafruit_NeoTrellis
+      *_trelli; ///< a multidimensional array of neotrellis objects
+};
+
+#endif