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Implement pushColor() and pushColors() for ST7787

This commit is contained in:
Kristian Nielsen 2017-06-30 13:13:16 +02:00
parent 4cf14bd507
commit f9ceca2052
1 changed files with 88 additions and 0 deletions
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88
TFT_eSPI.cpp
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@ -2942,6 +2942,33 @@ void TFT_eSPI::drawPixel(uint32_t x, uint32_t y, uint32_t color)
** Function name: pushColor
** Description: push a single pixel
***************************************************************************************/
#ifdef IFACE_3WIRE
#ifdef IFACE_3WIRE_ESP8266
void TFT_eSPI::pushColor(uint16_t color)
{
spi_begin();
CS_L;
uint32_t mask = ~((SPIMMOSI << SPILMOSI) | (SPIMMISO << SPILMISO));
mask = SPI1U1 & mask;
SPI1U1 = mask | ((18-1) << SPILMOSI) | ((18-1) << SPILMISO);
SPI1W0 = (uint32_t)0x80400000 |
(((uint32_t)color & 0xff00) << 15) |
(((uint32_t)color & 0xff) << 14);
SPI1CMD |= SPIBUSY;
while(SPI1CMD & SPIBUSY) {}
CS_H;
spi_end();
}
#else
// ToDo: ESP32 3-wire version of pushColor().
#endif /* IFACE_3WIRE_ESP8266 */
#else
void TFT_eSPI::pushColor(uint16_t color)
{
spi_begin();
@ -2954,6 +2981,7 @@ void TFT_eSPI::pushColor(uint16_t color)
spi_end();
}
#endif
/***************************************************************************************
@ -2999,6 +3027,35 @@ void TFT_eSPI::pushColors(uint16_t *data, uint8_t len)
while (len--) SPI.write16(*(data++));
#elif defined(IFACE_3WIRE_ESP8266)
uint32_t mask = ~((SPIMMOSI << SPILMOSI) | (SPIMMISO << SPILMISO));
mask = SPI1U1 & mask;
while (len > 0) {
uint32_t cur, pos;
volatile uint32_t *spireg;
STARTBITS(cur, pos, spireg);
uint32_t chunk = len;
if (chunk > 28)
chunk = 28;
uint32_t count = chunk;
while (count-- > 0) {
uint32_t val = *data++;
uint32_t color18 = (uint32_t)0x20100 | ((val & 0xff00) << 1) | (val & 0xff);
ADDBITS(color18, 18, cur, pos, spireg);
}
FLUSHBITS(cur, spireg);
SPI1U1 = mask | ((chunk*18-1) << SPILMOSI) | ((chunk*18-1) << SPILMISO);
SPI1CMD |= SPIBUSY;
while(SPI1CMD & SPIBUSY) {}
len -= chunk;
}
#else
uint32_t mask = ~((SPIMMOSI << SPILMOSI) | (SPIMMISO << SPILMISO));
@ -3059,6 +3116,37 @@ void TFT_eSPI::pushColors(uint8_t *data, uint32_t len)
//while ( len ) {SPI.writePattern(data, 2, 1); data += 2; len -= 2; }
while ( len >=64 ) {SPI.writePattern(data, 64, 1); data += 64; len -= 64; }
if (len) SPI.writePattern(data, len, 1);
#elif defined(IFACE_3WIRE_ESP8266)
uint32_t mask = ~((SPIMMOSI << SPILMOSI) | (SPIMMISO << SPILMISO));
mask = SPI1U1 & mask;
len /= 2;
while (len > 0) {
uint32_t cur, pos;
volatile uint32_t *spireg;
STARTBITS(cur, pos, spireg);
uint32_t chunk = len;
if (chunk > 28)
chunk = 28;
uint32_t count = chunk;
while (count-- > 0) {
uint32_t val1 = *data++;
uint32_t val2 = *data++;
uint32_t color18 = (uint32_t)0x20100 | (val1 << 9) | val2;
ADDBITS(color18, 18, cur, pos, spireg);
}
FLUSHBITS(cur, spireg);
SPI1U1 = mask | ((chunk*18-1) << SPILMOSI) | ((chunk*18-1) << SPILMISO);
SPI1CMD |= SPIBUSY;
while(SPI1CMD & SPIBUSY) {}
len -= chunk;
}
#else
#if (SPI_FREQUENCY == 80000000)
while ( len >=64 ) {SPI.writePattern(data, 64, 1); data += 64; len -= 64; }