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ladyada committed 2021-05-26 17:50:22 -04:00
1 parent 4c87f9a048
commit f9af48ba13
2 files changed
+115 -115
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Adafruit_SPITFT.cpp
+56 -56
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@@ -87,7 +87,7 @@ static const struct {
#endif
};
#define NUM_TIMERS (sizeof tcList / sizeof tcList[0]) ///< # timer/counters
#endif // end __SAMD51__
#endif // end __SAMD51__
#endif // end USE_SPI_DMA
@@ -157,7 +157,7 @@ Adafruit_SPITFT::Adafruit_SPITFT(uint16_t w, uint16_t h, int8_t cs, int8_t dc,
} else {
swspi.misoPort = portInputRegister(dc);
}
#else // !CORE_TEENSY
#else // !CORE_TEENSY
dcPinMask = digitalPinToBitMask(dc);
swspi.sckPinMask = digitalPinToBitMask(sck);
swspi.mosiPinMask = digitalPinToBitMask(mosi);
@@ -188,7 +188,7 @@ Adafruit_SPITFT::Adafruit_SPITFT(uint16_t w, uint16_t h, int8_t cs, int8_t dc,
swspi.misoPort = (PORTreg_t)portInputRegister(digitalPinToPort(dc));
}
#endif // end !CORE_TEENSY
#else // !HAS_PORT_SET_CLR
#else // !HAS_PORT_SET_CLR
dcPort = (PORTreg_t)portOutputRegister(digitalPinToPort(dc));
dcPinMaskSet = digitalPinToBitMask(dc);
swspi.sckPort = (PORTreg_t)portOutputRegister(digitalPinToPort(sck));
@@ -241,7 +241,7 @@ Adafruit_SPITFT::Adafruit_SPITFT(uint16_t w, uint16_t h, int8_t cs, int8_t dc,
_dc(dc) {
hwspi._spi = &SPI;
}
#else // !ESP8266
#else // !ESP8266
Adafruit_SPITFT::Adafruit_SPITFT(uint16_t w, uint16_t h, int8_t cs, int8_t dc,
int8_t rst)
: Adafruit_SPITFT(w, h, &SPI, cs, dc, rst) {
@@ -304,7 +304,7 @@ Adafruit_SPITFT::Adafruit_SPITFT(uint16_t w, uint16_t h, SPIClass *spiClass,
csPortSet = dcPortSet;
csPortClr = dcPortClr;
}
#else // !CORE_TEENSY
#else // !CORE_TEENSY
dcPinMask = digitalPinToBitMask(dc);
dcPortSet = &(PORT->Group[g_APinDescription[dc].ulPort].OUTSET.reg);
dcPortClr = &(PORT->Group[g_APinDescription[dc].ulPort].OUTCLR.reg);
@@ -322,7 +322,7 @@ Adafruit_SPITFT::Adafruit_SPITFT(uint16_t w, uint16_t h, SPIClass *spiClass,
csPinMask = 0;
}
#endif // end !CORE_TEENSY
#else // !HAS_PORT_SET_CLR
#else // !HAS_PORT_SET_CLR
dcPort = (PORTreg_t)portOutputRegister(digitalPinToPort(dc));
dcPinMaskSet = digitalPinToBitMask(dc);
if (cs >= 0) {
@@ -425,7 +425,7 @@ Adafruit_SPITFT::Adafruit_SPITFT(uint16_t w, uint16_t h, tftBusWidth busWidth,
tft8.readPort = portInputRegister(d0);
tft8.dirSet = portModeRegister(d0);
tft8.dirClr = portModeRegister(d0);
#else // !CORE_TEENSY
#else // !CORE_TEENSY
tft8.wrPinMask = digitalPinToBitMask(wr);
tft8.wrPortSet = &(PORT->Group[g_APinDescription[wr].ulPort].OUTSET.reg);
tft8.wrPortClr = &(PORT->Group[g_APinDescription[wr].ulPort].OUTCLR.reg);
@@ -467,7 +467,7 @@ Adafruit_SPITFT::Adafruit_SPITFT(uint16_t w, uint16_t h, tftBusWidth busWidth,
tft8.dirSet = (volatile uint8_t *)&(p->DIRSET.reg) + offset;
tft8.dirClr = (volatile uint8_t *)&(p->DIRCLR.reg) + offset;
#endif // end !CORE_TEENSY
#else // !HAS_PORT_SET_CLR
#else // !HAS_PORT_SET_CLR
tft8.wrPort = (PORTreg_t)portOutputRegister(digitalPinToPort(wr));
tft8.wrPinMaskSet = digitalPinToBitMask(wr);
dcPort = (PORTreg_t)portOutputRegister(digitalPinToPort(dc));
@@ -616,7 +616,7 @@ void Adafruit_SPITFT::initSPI(uint32_t freq, uint8_t spiMode) {
*(volatile uint16_t *)tft8.dirSet = 0xFFFF;
*(volatile uint16_t *)tft8.writePort = 0x0000;
}
#else // !CORE_TEENSY
#else // !CORE_TEENSY
uint8_t portNum = g_APinDescription[tft8._d0].ulPort, // d0 PORT #
dBit = g_APinDescription[tft8._d0].ulPin, // d0 bit in PORT
lastBit = dBit + (tft8.wide ? 15 : 7);
@@ -870,7 +870,7 @@ void Adafruit_SPITFT::initSPI(uint32_t freq, uint8_t spiMode) {
DMA_ADDRESS_INCREMENT_STEP_SIZE_1;
descriptor[d].DSTADDR.reg = (uint32_t)tft8.writePort;
}
#endif // __SAMD51
#endif // __SAMD51
} // end parallel-specific DMA setup
lastFillColor = 0x0000;
@@ -1216,7 +1216,7 @@ void Adafruit_SPITFT::writeColor(uint16_t color, uint32_t len) {
rtos_free(pixbuf);
return;
}
#else // !ESP32
#else // !ESP32
#if defined(USE_SPI_DMA) && (defined(__SAMD51__) || defined(ARDUINO_SAMD_ZERO))
if (((connection == TFT_HARD_SPI) || (connection == TFT_PARALLEL)) &&
(len >= 16)) { // Don't bother with DMA on short pixel runs
@@ -1381,7 +1381,7 @@ void Adafruit_SPITFT::writeColor(uint16_t color, uint32_t len) {
SPI_SCK_LOW();
x <<= 1;
}
#else // !__AVR__
#else // !__AVR__
for (uint16_t bit = 0, x = color; bit < 16; bit++) {
if (x & 0x8000)
SPI_MOSI_HIGH();
@@ -1391,9 +1391,9 @@ void Adafruit_SPITFT::writeColor(uint16_t color, uint32_t len) {
x <<= 1;
SPI_SCK_LOW();
}
#endif // end !__AVR__
#endif // end !__AVR__
}
#endif // end !ESP8266
#endif // end !ESP8266
} else { // PARALLEL
if (hi == lo) {
#if defined(__AVR__)
@@ -1999,12 +1999,12 @@ uint16_t Adafruit_SPITFT::readcommand16(uint16_t addr) {
*(volatile uint16_t *)tft8.dirClr = 0xFFFF; // Input state
result = *(volatile uint16_t *)tft8.readPort; // 16-bit read
*(volatile uint16_t *)tft8.dirSet = 0xFFFF; // Output state
#else // !HAS_PORT_SET_CLR
*(volatile uint16_t *)tft8.portDir = 0x0000; // Input state
result = *(volatile uint16_t *)tft8.readPort; // 16-bit read
*(volatile uint16_t *)tft8.portDir = 0xFFFF; // Output state
#endif // end !HAS_PORT_SET_CLR
TFT_RD_HIGH(); // Read line HIGH
#else // !HAS_PORT_SET_CLR
*(volatile uint16_t *)tft8.portDir = 0x0000; // Input state
result = *(volatile uint16_t *)tft8.readPort; // 16-bit read
*(volatile uint16_t *)tft8.portDir = 0xFFFF; // Output state
#endif // end !HAS_PORT_SET_CLR
TFT_RD_HIGH(); // Read line HIGH
endWrite();
}
return result;
@@ -2153,31 +2153,31 @@ uint8_t Adafruit_SPITFT::spiRead(void) {
*tft8.portDir = 0x00; // Set port to input state
w = *tft8.readPort; // Read value from port
*tft8.portDir = 0xFF; // Restore port to output
#else // !__AVR__
if (!tft8.wide) { // 8-bit TFT connection
#else // !__AVR__
if (!tft8.wide) { // 8-bit TFT connection
#if defined(HAS_PORT_SET_CLR)
*tft8.dirClr = 0xFF; // Set port to input state
w = *tft8.readPort; // Read value from port
*tft8.dirSet = 0xFF; // Restore port to output
#else // !HAS_PORT_SET_CLR
*tft8.portDir = 0x00; // Set port to input state
w = *tft8.readPort; // Read value from port
*tft8.portDir = 0xFF; // Restore port to output
*tft8.dirClr = 0xFF; // Set port to input state
w = *tft8.readPort; // Read value from port
*tft8.dirSet = 0xFF; // Restore port to output
#else // !HAS_PORT_SET_CLR
*tft8.portDir = 0x00; // Set port to input state
w = *tft8.readPort; // Read value from port
*tft8.portDir = 0xFF; // Restore port to output
#endif // end HAS_PORT_SET_CLR
} else { // 16-bit TFT connection
} else { // 16-bit TFT connection
#if defined(HAS_PORT_SET_CLR)
*(volatile uint16_t *)tft8.dirClr = 0xFFFF; // Input state
w = *(volatile uint16_t *)tft8.readPort; // 16-bit read
*(volatile uint16_t *)tft8.dirSet = 0xFFFF; // Output state
#else // !HAS_PORT_SET_CLR
#else // !HAS_PORT_SET_CLR
*(volatile uint16_t *)tft8.portDir = 0x0000; // Input state
w = *(volatile uint16_t *)tft8.readPort; // 16-bit read
*(volatile uint16_t *)tft8.portDir = 0xFFFF; // Output state
#endif // end !HAS_PORT_SET_CLR
}
TFT_RD_HIGH(); // Read line HIGH
TFT_RD_HIGH(); // Read line HIGH
#endif // end !__AVR__
#else // !USE_FAST_PINIO
#else // !USE_FAST_PINIO
w = 0; // Parallel TFT is NOT SUPPORTED without USE_FAST_PINIO
#endif // end !USE_FAST_PINIO
}
@@ -2237,16 +2237,16 @@ uint16_t Adafruit_SPITFT::read16(void) {
*(volatile uint16_t *)tft8.dirClr = 0xFFFF; // Input state
w = *(volatile uint16_t *)tft8.readPort; // 16-bit read
*(volatile uint16_t *)tft8.dirSet = 0xFFFF; // Output state
#else // !HAS_PORT_SET_CLR
#else // !HAS_PORT_SET_CLR
*(volatile uint16_t *)tft8.portDir = 0x0000; // Input state
w = *(volatile uint16_t *)tft8.readPort; // 16-bit read
*(volatile uint16_t *)tft8.portDir = 0xFFFF; // Output state
#endif // end !HAS_PORT_SET_CLR
#endif // end !HAS_PORT_SET_CLR
}
TFT_RD_HIGH(); // Read line HIGH
#else // !USE_FAST_PINIO
#else // !USE_FAST_PINIO
w = 0; // Parallel TFT is NOT SUPPORTED without USE_FAST_PINIO
#endif // end !USE_FAST_PINIO
#endif // end !USE_FAST_PINIO
}
}
return w;
@@ -2263,10 +2263,10 @@ inline void Adafruit_SPITFT::SPI_MOSI_HIGH(void) {
#else // !KINETISK
*swspi.mosiPortSet = swspi.mosiPinMask;
#endif
#else // !HAS_PORT_SET_CLR
#else // !HAS_PORT_SET_CLR
*swspi.mosiPort |= swspi.mosiPinMaskSet;
#endif // end !HAS_PORT_SET_CLR
#else // !USE_FAST_PINIO
#else // !USE_FAST_PINIO
digitalWrite(swspi._mosi, HIGH);
#if defined(ESP32)
for (volatile uint8_t i = 0; i < 1; i++)
@@ -2286,10 +2286,10 @@ inline void Adafruit_SPITFT::SPI_MOSI_LOW(void) {
#else // !KINETISK
*swspi.mosiPortClr = swspi.mosiPinMask;
#endif
#else // !HAS_PORT_SET_CLR
#else // !HAS_PORT_SET_CLR
*swspi.mosiPort &= swspi.mosiPinMaskClr;
#endif // end !HAS_PORT_SET_CLR
#else // !USE_FAST_PINIO
#else // !USE_FAST_PINIO
digitalWrite(swspi._mosi, LOW);
#if defined(ESP32)
for (volatile uint8_t i = 0; i < 1; i++)
@@ -2306,17 +2306,17 @@ inline void Adafruit_SPITFT::SPI_SCK_HIGH(void) {
#if defined(HAS_PORT_SET_CLR)
#if defined(KINETISK)
*swspi.sckPortSet = 1;
#else // !KINETISK
#else // !KINETISK
*swspi.sckPortSet = swspi.sckPinMask;
#if defined(__IMXRT1052__) || defined(__IMXRT1062__) // Teensy 4.x
for (volatile uint8_t i = 0; i < 1; i++)
;
#endif
#endif
#else // !HAS_PORT_SET_CLR
#else // !HAS_PORT_SET_CLR
*swspi.sckPort |= swspi.sckPinMaskSet;
#endif // end !HAS_PORT_SET_CLR
#else // !USE_FAST_PINIO
#else // !USE_FAST_PINIO
digitalWrite(swspi._sck, HIGH);
#if defined(ESP32)
for (volatile uint8_t i = 0; i < 1; i++)
@@ -2333,17 +2333,17 @@ inline void Adafruit_SPITFT::SPI_SCK_LOW(void) {
#if defined(HAS_PORT_SET_CLR)
#if defined(KINETISK)
*swspi.sckPortClr = 1;
#else // !KINETISK
#else // !KINETISK
*swspi.sckPortClr = swspi.sckPinMask;
#if defined(__IMXRT1052__) || defined(__IMXRT1062__) // Teensy 4.x
for (volatile uint8_t i = 0; i < 1; i++)
;
#endif
#endif
#else // !HAS_PORT_SET_CLR
#else // !HAS_PORT_SET_CLR
*swspi.sckPort &= swspi.sckPinMaskClr;
#endif // end !HAS_PORT_SET_CLR
#else // !USE_FAST_PINIO
#else // !USE_FAST_PINIO
digitalWrite(swspi._sck, LOW);
#if defined(ESP32)
for (volatile uint8_t i = 0; i < 1; i++)
@@ -2360,10 +2360,10 @@ inline bool Adafruit_SPITFT::SPI_MISO_READ(void) {
#if defined(USE_FAST_PINIO)
#if defined(KINETISK)
return *swspi.misoPort;
#else // !KINETISK
#else // !KINETISK
return *swspi.misoPort & swspi.misoPinMask;
#endif // end !KINETISK
#else // !USE_FAST_PINIO
#else // !USE_FAST_PINIO
return digitalRead(swspi._miso);
#endif // end !USE_FAST_PINIO
}
@@ -2491,15 +2491,15 @@ inline void Adafruit_SPITFT::TFT_WR_STROBE(void) {
#if defined(KINETISK)
*tft8.wrPortClr = 1;
*tft8.wrPortSet = 1;
#else // !KINETISK
#else // !KINETISK
*tft8.wrPortClr = tft8.wrPinMask;
*tft8.wrPortSet = tft8.wrPinMask;
#endif // end !KINETISK
#else // !HAS_PORT_SET_CLR
#else // !HAS_PORT_SET_CLR
*tft8.wrPort &= tft8.wrPinMaskClr;
*tft8.wrPort |= tft8.wrPinMaskSet;
#endif // end !HAS_PORT_SET_CLR
#else // !USE_FAST_PINIO
#else // !USE_FAST_PINIO
digitalWrite(tft8._wr, LOW);
digitalWrite(tft8._wr, HIGH);
#endif // end !USE_FAST_PINIO
@@ -2513,10 +2513,10 @@ inline void Adafruit_SPITFT::TFT_RD_HIGH(void) {
#if defined(USE_FAST_PINIO)
#if defined(HAS_PORT_SET_CLR)
*tft8.rdPortSet = tft8.rdPinMask;
#else // !HAS_PORT_SET_CLR
#else // !HAS_PORT_SET_CLR
*tft8.rdPort |= tft8.rdPinMaskSet;
#endif // end !HAS_PORT_SET_CLR
#else // !USE_FAST_PINIO
#else // !USE_FAST_PINIO
digitalWrite(tft8._rd, HIGH);
#endif // end !USE_FAST_PINIO
}
@@ -2529,10 +2529,10 @@ inline void Adafruit_SPITFT::TFT_RD_LOW(void) {
#if defined(USE_FAST_PINIO)
#if defined(HAS_PORT_SET_CLR)
*tft8.rdPortClr = tft8.rdPinMask;
#else // !HAS_PORT_SET_CLR
#else // !HAS_PORT_SET_CLR
*tft8.rdPort &= tft8.rdPinMaskClr;
#endif // end !HAS_PORT_SET_CLR
#else // !USE_FAST_PINIO
#else // !USE_FAST_PINIO
digitalWrite(tft8._rd, LOW);
#endif // end !USE_FAST_PINIO
}