First commit

I shall move all this to another branch -> master_vendored or something
2025-03-12 21:42:39 +00:00
commit f9d0bfa4d9
226 changed files with 240315 additions and 0 deletions
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+// Databus Adapter for the Arduino Wire bus (I2C bus)
+
+#ifndef _Arduino_Wire_H_
+#define _Arduino_Wire_H_
+
+#include "Arduino_DataBus.h"
+#include <Wire.h>
+
+#ifndef TWI_BUFFER_LENGTH
+#if defined(I2C_BUFFER_LENGTH)
+#define TWI_BUFFER_LENGTH I2C_BUFFER_LENGTH
+#else
+#define TWI_BUFFER_LENGTH 32
+#endif
+#endif
+class Arduino_Wire : public Arduino_DataBus
+{
+public:
+  Arduino_Wire(uint8_t i2c_addr, int8_t commandPrefix, int8_t dataPrefix, TwoWire *wire = &Wire);
+
+  bool begin(int32_t speed = GFX_NOT_DEFINED, int8_t dataMode = GFX_NOT_DEFINED) override;
+  void beginWrite() override;
+  void endWrite() override;
+  void writeCommand(uint8_t) override;
+  void writeCommand16(uint16_t) override;
+  void writeCommandBytes(uint8_t *data, uint32_t len) override;
+  void write(uint8_t) override;
+  void write16(uint16_t) override;
+  void writeRepeat(uint16_t p, uint32_t len) override;
+  void writeBytes(uint8_t *data, uint32_t len) override;
+  void writePixels(uint16_t *data, uint32_t len) override;
+
+protected:
+  void writeRegister(uint8_t reg, uint8_t *data, size_t len);
+  uint8_t readRegister(uint8_t reg, uint8_t *data, size_t len);
+
+  uint8_t output_buf = 0;
+  bool is_found;
+
+  uint8_t _i2c_addr;
+  uint8_t _command_prefix;
+  uint8_t _data_prefix;
+  TwoWire *_wire;
+
+  int32_t _speed;
+private:
+};
+
+#endif // _Arduino_Wire_H_