add Arduino_ESP32S2PAR8 data bus

moononournation · Oct 2, 2021 · e14fcfa · e14fcfa
1 parent 80c89c4
commit e14fcfa
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diff --git a/src/Arduino_GFX_Library.h b/src/Arduino_GFX_Library.h
@@ -10,6 +10,7 @@
 #include "databus/Arduino_ESP32PAR16.h"
 #include "databus/Arduino_ESP32PAR16Q.h"
 #include "databus/Arduino_ESP32PAR16QQ.h"
+#include "databus/Arduino_ESP32S2PAR8.h"
 #include "databus/Arduino_ESP32S2PAR16.h"
 #include "databus/Arduino_ESP32S2PAR16Q.h"
 #include "databus/Arduino_ESP32SPI.h"

diff --git a/src/databus/Arduino_ESP32S2PAR8.cpp b/src/databus/Arduino_ESP32S2PAR8.cpp
@@ -0,0 +1,300 @@
+#include "Arduino_ESP32S2PAR8.h"
+
+#if CONFIG_IDF_TARGET_ESP32S2
+
+Arduino_ESP32S2PAR8::Arduino_ESP32S2PAR8(int8_t dc, int8_t cs, int8_t wr, int8_t rd)
+    : _dc(dc), _cs(cs), _wr(wr), _rd(rd)
+{
+}
+
+void Arduino_ESP32S2PAR8::begin(int32_t speed, int8_t dataMode)
+{
+  pinMode(_dc, OUTPUT);
+  digitalWrite(_dc, HIGH); // Data mode
+  if (_dc >= 32)
+  {
+    _dcPinMask = digitalPinToBitMask(_dc);
+    _dcPortSet = (PORTreg_t)&GPIO.out1_w1ts.val;
+    _dcPortClr = (PORTreg_t)&GPIO.out1_w1tc.val;
+  }
+  else if (_dc >= 0)
+  {
+    _dcPinMask = digitalPinToBitMask(_dc);
+    _dcPortSet = (PORTreg_t)&GPIO.out_w1ts;
+    _dcPortClr = (PORTreg_t)&GPIO.out_w1tc;
+  }
+
+  if (_cs >= 0)
+  {
+    pinMode(_cs, OUTPUT);
+    digitalWrite(_cs, HIGH); // disable chip select
+  }
+  if (_cs >= 32)
+  {
+    _csPinMask = digitalPinToBitMask(_cs);
+    _csPortSet = (PORTreg_t)&GPIO.out1_w1ts.val;
+    _csPortClr = (PORTreg_t)&GPIO.out1_w1tc.val;
+  }
+  else if (_cs >= 0)
+  {
+    _csPinMask = digitalPinToBitMask(_cs);
+    _csPortSet = (PORTreg_t)&GPIO.out_w1ts;
+    _csPortClr = (PORTreg_t)&GPIO.out_w1tc;
+  }
+  else
+  {
+    _csPinMask = 0;
+    _csPortSet = _dcPortSet;
+    _csPortClr = _dcPortClr;
+  }
+
+  pinMode(_wr, OUTPUT);
+  digitalWrite(_wr, HIGH); // Set write strobe high (inactive)
+  if (_wr >= 32)
+  {
+    _wrPinMask = digitalPinToBitMask(_wr);
+    _wrPortSet = (PORTreg_t)&GPIO.out1_w1ts.val;
+    _wrPortClr = (PORTreg_t)&GPIO.out1_w1tc.val;
+  }
+  else if (_wr >= 0)
+  {
+    _wrPinMask = digitalPinToBitMask(_wr);
+    _wrPortSet = (PORTreg_t)&GPIO.out_w1ts;
+    _wrPortClr = (PORTreg_t)&GPIO.out_w1tc;
+  }
+
+  if (_rd >= 0)
+  {
+    pinMode(_rd, OUTPUT);
+    digitalWrite(_rd, HIGH);
+  }
+  if (_rd >= 32)
+  {
+    _rdPinMask = digitalPinToBitMask(_rd);
+    _rdPortSet = (PORTreg_t)&GPIO.out1_w1ts.val;
+    _rdPortClr = (PORTreg_t)&GPIO.out1_w1tc.val;
+  }
+  else if (_rd >= 0)
+  {
+    _rdPinMask = digitalPinToBitMask(_rd);
+    _rdPortSet = (PORTreg_t)&GPIO.out_w1ts;
+    _rdPortClr = (PORTreg_t)&GPIO.out_w1tc;
+  }
+  else
+  {
+    _rdPinMask = 0;
+    _rdPortSet = _dcPortSet;
+    _rdPortClr = _dcPortClr;
+  }
+
+  pinMode(0, OUTPUT);
+  pinMode(1, OUTPUT);
+  pinMode(2, OUTPUT);
+  pinMode(3, OUTPUT);
+  pinMode(4, OUTPUT);
+  pinMode(5, OUTPUT);
+  pinMode(6, OUTPUT);
+  pinMode(7, OUTPUT);
+
+  // INIT 8-bit mask
+  _dataClrMask = 0xFF;
+  _dataPortSet = (PORTreg_t)&GPIO.out_w1ts;
+  _dataPortClr = (PORTreg_t)&GPIO.out_w1tc;
+  *_dataPortClr = _dataClrMask;
+}
+
+void Arduino_ESP32S2PAR8::beginWrite()
+{
+  DC_HIGH();
+  CS_LOW();
+}
+
+void Arduino_ESP32S2PAR8::endWrite()
+{
+  CS_HIGH();
+}
+
+void Arduino_ESP32S2PAR8::writeCommand(uint8_t c)
+{
+  DC_LOW();
+
+  WRITE(c);
+
+  DC_HIGH();
+}
+
+void Arduino_ESP32S2PAR8::writeCommand16(uint16_t c)
+{
+  DC_LOW();
+
+  _data16.value = c;
+  WRITE(_data16.msb);
+  WRITE(_data16.lsb);
+
+  DC_HIGH();
+}
+
+void Arduino_ESP32S2PAR8::write(uint8_t d)
+{
+  WRITE(d);
+}
+
+void Arduino_ESP32S2PAR8::write16(uint16_t d)
+{
+  _data16.value = d;
+  WRITE(_data16.msb);
+  WRITE(_data16.lsb);
+}
+
+void Arduino_ESP32S2PAR8::writeRepeat(uint16_t p, uint32_t len)
+{
+  _data16.value = p;
+  if (_data16.msb == _data16.lsb)
+  {
+    *_dataPortClr = _dataClrMask;
+    *_dataPortSet = p;
+    while (len--)
+    {
+      *_wrPortClr = _wrPinMask;
+      *_wrPortSet = _wrPinMask;
+      *_wrPortClr = _wrPinMask;
+      *_wrPortSet = _wrPinMask;
+    }
+  }
+  else
+  {
+    while (len--)
+    {
+      *_dataPortClr = _dataClrMask;
+      *_dataPortSet = _data16.msb;
+      *_wrPortClr = _wrPinMask;
+      *_wrPortSet = _wrPinMask;
+
+      *_dataPortClr = _dataClrMask;
+      *_dataPortSet = _data16.lsb;
+      *_wrPortClr = _wrPinMask;
+      *_wrPortSet = _wrPinMask;
+    }
+  }
+}
+
+void Arduino_ESP32S2PAR8::writePixels(uint16_t *data, uint32_t len)
+{
+  while (len--)
+  {
+    _data16.value = *data++;
+    WRITE(_data16.msb);
+    WRITE(_data16.lsb);
+  }
+}
+
+void Arduino_ESP32S2PAR8::writeC8D8(uint8_t c, uint8_t d)
+{
+  DC_LOW();
+
+  WRITE(c);
+
+  DC_HIGH();
+
+  WRITE(d);
+}
+
+void Arduino_ESP32S2PAR8::writeC8D16(uint8_t c, uint16_t d)
+{
+  DC_LOW();
+
+  WRITE(c);
+
+  DC_HIGH();
+
+  _data16.value = d;
+  WRITE(_data16.msb);
+  WRITE(_data16.lsb);
+}
+
+void Arduino_ESP32S2PAR8::writeC8D16D16(uint8_t c, uint16_t d1, uint16_t d2)
+{
+  DC_LOW();
+
+  WRITE(c);
+
+  DC_HIGH();
+
+  _data16.value = d1;
+  WRITE(_data16.msb);
+  WRITE(_data16.lsb);
+
+  _data16.value = d2;
+  WRITE(_data16.msb);
+  WRITE(_data16.lsb);
+}
+
+void Arduino_ESP32S2PAR8::writeBytes(uint8_t *data, uint32_t len)
+{
+  while (len--)
+  {
+    WRITE(*data++);
+  }
+}
+
+void Arduino_ESP32S2PAR8::writePattern(uint8_t *data, uint8_t len, uint32_t repeat)
+{
+  while (repeat--)
+  {
+    writeBytes(data, len);
+  }
+}
+
+void Arduino_ESP32S2PAR8::writeIndexedPixels(uint8_t *data, uint16_t *idx, uint32_t len)
+{
+  while (len--)
+  {
+    _data16.value = idx[*data++];
+    WRITE(_data16.msb);
+    WRITE(_data16.lsb);
+  }
+}
+
+void Arduino_ESP32S2PAR8::writeIndexedPixelsDouble(uint8_t *data, uint16_t *idx, uint32_t len)
+{
+  while (len--)
+  {
+    _data16.value = idx[*data++];
+    WRITE(_data16.msb);
+    WRITE(_data16.lsb);
+    WRITE(_data16.msb);
+    WRITE(_data16.lsb);
+  }
+}
+
+INLINE void Arduino_ESP32S2PAR8::WRITE(uint8_t d)
+{
+  *_dataPortClr = _dataClrMask;
+  *_dataPortSet = d;
+  *_wrPortClr = _wrPinMask;
+  *_wrPortSet = _wrPinMask;
+}
+
+/******** low level bit twiddling **********/
+
+INLINE void Arduino_ESP32S2PAR8::DC_HIGH(void)
+{
+  *_dcPortSet = _dcPinMask;
+}
+
+INLINE void Arduino_ESP32S2PAR8::DC_LOW(void)
+{
+  *_dcPortClr = _dcPinMask;
+}
+
+INLINE void Arduino_ESP32S2PAR8::CS_HIGH(void)
+{
+  *_csPortSet = _csPinMask;
+}
+
+INLINE void Arduino_ESP32S2PAR8::CS_LOW(void)
+{
+  *_csPortClr = _csPinMask;
+}
+
+#endif // #if CONFIG_IDF_TARGET_ESP32S2
diff --git a/src/databus/Arduino_ESP32S2PAR8.h b/src/databus/Arduino_ESP32S2PAR8.h
@@ -0,0 +1,65 @@
+#include "Arduino_DataBus.h"
+
+#if CONFIG_IDF_TARGET_ESP32S2
+
+#ifndef _ARDUINO_ESP32S2PAR8_H_
+#define _ARDUINO_ESP32S2PAR8_H_
+
+class Arduino_ESP32S2PAR8 : public Arduino_DataBus
+{
+public:
+  Arduino_ESP32S2PAR8(int8_t dc, int8_t cs, int8_t wr, int8_t rd); // Constructor
+
+  void begin(int32_t speed = 0, int8_t dataMode = 0) override;
+  void beginWrite() override;
+  void endWrite() override;
+  void writeCommand(uint8_t) override;
+  void writeCommand16(uint16_t) override;
+  void write(uint8_t) override;
+  void write16(uint16_t) override;
+  void writeRepeat(uint16_t p, uint32_t len) override;
+  void writePixels(uint16_t *data, uint32_t len) 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 writeBytes(uint8_t *data, uint32_t len) override;
+  void writePattern(uint8_t *data, uint8_t len, uint32_t repeat) 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;
+
+protected:
+private:
+  INLINE void WRITE(uint8_t d);
+  INLINE void DC_HIGH(void);
+  INLINE void DC_LOW(void);
+  INLINE void CS_HIGH(void);
+  INLINE void CS_LOW(void);
+
+  int8_t _dc, _cs, _wr, _rd;
+
+  PORTreg_t _dcPortSet; ///< PORT register SET
+  PORTreg_t _dcPortClr; ///< PORT register CLEAR
+  uint32_t _dcPinMask;  ///< Bitmask
+
+  PORTreg_t _csPortSet; ///< PORT register SET
+  PORTreg_t _csPortClr; ///< PORT register CLEAR
+  uint32_t _csPinMask;  ///< Bitmask
+
+  PORTreg_t _wrPortSet; ///< PORT register SET
+  PORTreg_t _wrPortClr; ///< PORT register CLEAR
+  uint32_t _wrPinMask;  ///< Bitmask
+
+  PORTreg_t _rdPortSet; ///< PORT register SET
+  PORTreg_t _rdPortClr; ///< PORT register CLEAR
+  uint32_t _rdPinMask;  ///< Bitmask
+
+  PORTreg_t _dataPortSet; ///< PORT register SET
+  PORTreg_t _dataPortClr; ///< PORT register CLEAR
+  uint32_t _dataClrMask;
+};
+
+#endif // _ARDUINO_ESP32S2PAR8_H_
+
+#endif // #if CONFIG_IDF_TARGET_ESP32S2