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
@@ -0,0 +1,89 @@
+#pragma once
+
+#include "Arduino_DataBus.h"
+
+#if defined(ESP32)
+#include <driver/spi_master.h>
+
+#ifndef ESP32QSPI_MAX_PIXELS_AT_ONCE
+#define ESP32QSPI_MAX_PIXELS_AT_ONCE 1024
+#endif
+#ifndef ESP32QSPI_FREQUENCY
+#define ESP32QSPI_FREQUENCY 80000000
+#endif
+#ifndef ESP32QSPI_SPI_MODE
+#define ESP32QSPI_SPI_MODE SPI_MODE0
+#endif
+#ifndef ESP32QSPI_SPI_HOST
+#define ESP32QSPI_SPI_HOST SPI2_HOST
+#endif
+#ifndef ESP32QSPI_DMA_CHANNEL
+#define ESP32QSPI_DMA_CHANNEL SPI_DMA_CH_AUTO
+#endif
+
+class Arduino_ESP32QSPI : public Arduino_DataBus
+{
+public:
+  Arduino_ESP32QSPI(
+    int8_t cs, int8_t sck, int8_t mosi, int8_t miso, int8_t quadwp, int8_t quadhd, bool is_shared_interface = false); // Constructor
+
+  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 writeC8D8(uint8_t c, uint8_t d) override;
+  void writeC8D16(uint8_t c, uint16_t d) override;
+  void writeC8D16D16(uint8_t c, uint16_t d1, uint16_t d2) override;
+  void writeC8D16D16Split(uint8_t c, uint16_t d1, uint16_t d2) override;
+
+  void writeC8Bytes(uint8_t c, uint8_t *data, uint32_t len);
+
+  void writeRepeat(uint16_t p, uint32_t len) override;
+  void writePixels(uint16_t *data, uint32_t len) override;
+  void write16bitBeRGBBitmapR1(uint16_t *bitmap, int16_t w, int16_t h) override;
+
+  void batchOperation(const uint8_t *operations, size_t len) override;
+  void writeBytes(uint8_t *data, uint32_t len) override;
+
+  void writeIndexedPixels(uint8_t *data, uint16_t *idx, uint32_t len) override;
+  void writeIndexedPixelsDouble(uint8_t *data, uint16_t *idx, uint32_t len) override;
+  void writeYCbCrPixels(uint8_t *yData, uint8_t *cbData, uint8_t *crData, uint16_t w, uint16_t h) override;
+
+protected:
+private:
+  GFX_INLINE void CS_HIGH(void);
+  GFX_INLINE void CS_LOW(void);
+  GFX_INLINE void POLL_START();
+  GFX_INLINE void POLL_END();
+
+  int8_t _cs, _sck, _mosi, _miso, _quadwp, _quadhd;
+  bool _is_shared_interface;
+
+  PORTreg_t _csPortSet; ///< PORT register for chip select SET
+  PORTreg_t _csPortClr; ///< PORT register for chip select CLEAR
+  uint32_t _csPinMask;  ///< Bitmask for chip select
+
+  spi_device_handle_t _handle;
+  spi_transaction_ext_t _spi_tran_ext;
+  spi_transaction_t *_spi_tran;
+
+  union
+  {
+    uint8_t* _buffer;
+    uint16_t* _buffer16;
+    uint32_t* _buffer32;
+  };
+  union
+  {
+    uint8_t *_2nd_buffer;
+    uint16_t *_2nd_buffer16;
+    uint32_t *_2nd_buffer32;
+  };
+};
+
+#endif // #if defined(ESP32)