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Complete ST7787 implementation (lines and fonts)

This commit is contained in:
Kristian Nielsen 2017-07-01 09:28:08 +02:00
parent 32703fd922
commit e734af8950
1 changed files with 52 additions and 1 deletions
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53
TFT_eSPI.cpp
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@ -1813,10 +1813,17 @@ void TFT_eSPI::drawChar(int32_t x, int32_t y, unsigned char c, uint32_t color, u
column[5] = 0;
#if defined (ESP8266)
#ifdef IFACE_3WIRE_ESP8266
color = (uint32_t)0x80400000 | ((color & 0xff00) << 15) | ((color & 0xff) << 14);
bg = (uint32_t)0x80400000 | ((bg & 0xff00) << 15) | ((bg & 0xff) << 14);
uint32_t spimask = ~((SPIMMOSI << SPILMOSI) | (SPIMMISO << SPILMISO));
SPI1U1 = (SPI1U1 & spimask) | (17 << SPILMOSI) | (17 << SPILMISO);
#else
color = (color >> 8) | (color << 8);
bg = (bg >> 8) | (bg << 8);
uint32_t spimask = ~((SPIMMOSI << SPILMOSI) | (SPIMMISO << SPILMISO));
SPI1U1 = (SPI1U1 & spimask) | (15 << SPILMOSI) | (15 << SPILMISO);
#endif
for (int8_t j = 0; j < 8; j++) {
for (int8_t k = 0; k < 5; k++ ) {
if (column[k] & mask) {
@ -3169,7 +3176,7 @@ void TFT_eSPI::pushColors(uint8_t *data, uint32_t len)
// Bresenham's algorithm - thx wikipedia - speed enhanced by Bodmer to use
// an eficient FastH/V Line draw routine for line segments of 2 pixels or more
#if defined (RPI_ILI9486_DRIVER) || defined (ESP32) || defined (RPI_WRITE_STROBE)
#if defined (RPI_ILI9486_DRIVER) || defined (ESP32) || defined (RPI_WRITE_STROBE) || defined(IFACE_3WIRE)
void TFT_eSPI::drawLine(int32_t x0, int32_t y0, int32_t x1, int32_t y1, uint32_t color)
{
@ -3772,6 +3779,16 @@ int16_t TFT_eSPI::drawChar(unsigned int uniCode, int x, int y, int font)
spi_begin();
setAddrWindow(x, y, (x + w * 8) - 1, y + height - 1);
#ifdef IFACE_3WIRE_ESP8266
uint32_t textcolor18 = (uint32_t)0x80400000 |
((textcolor & 0xff00) << 15) | ((textcolor & 0xff) << 14);
uint32_t textbgcolor18 = (uint32_t)0x80400000 |
((textbgcolor & 0xff00) << 15) | ((textbgcolor & 0xff) << 14);
uint32_t spi_mask = ~((SPIMMOSI << SPILMOSI) | (SPIMMISO << SPILMISO));
spi_mask = SPI1U1 & spi_mask;
SPI1U1 = spi_mask | ((18-1) << SPILMOSI) | ((18-1) << SPILMISO);
#endif
byte mask;
for (int i = 0; i < height; i++)
{
@ -3782,10 +3799,22 @@ int16_t TFT_eSPI::drawChar(unsigned int uniCode, int x, int y, int font)
mask = 0x80;
while (mask) {
if (line & mask) {
#ifdef IFACE_3WIRE_ESP8266
SPI1W0 = textcolor18;
SPI1CMD |= SPIBUSY;
while(SPI1CMD & SPIBUSY) {}
#else
SPI.write16(textcolor);
#endif
}
else {
#ifdef IFACE_3WIRE_ESP8266
SPI1W0 = textbgcolor18;
SPI1CMD |= SPIBUSY;
while(SPI1CMD & SPIBUSY) {}
#else
SPI.write16(textbgcolor);
#endif
}
mask = mask >> 1;
}
@ -3815,6 +3844,13 @@ int16_t TFT_eSPI::drawChar(unsigned int uniCode, int x, int y, int font)
int pc = 0; // Pixel count
byte np = textsize * textsize; // Number of pixels in a drawn pixel
#ifdef IFACE_3WIRE_ESP8266
uint32_t textcolor18 = (uint32_t)0x80400000 |
((textcolor & 0xff00) << 15) | ((textcolor & 0xff) << 14);
uint32_t spi_mask = ~((SPIMMOSI << SPILMOSI) | (SPIMMISO << SPILMISO));
spi_mask = SPI1U1 & spi_mask;
#endif
byte tnp = 0; // Temporary copy of np for while loop
byte ts = textsize - 1; // Temporary copy of textsize
// 16 bit pixel count so maximum font size is equivalent to 180x180 pixels in area
@ -3838,14 +3874,29 @@ int16_t TFT_eSPI::drawChar(unsigned int uniCode, int x, int y, int font)
pc++; // This is faster than putting pc+=line before while()?
setAddrWindow(px, py, px + ts, py + ts);
#ifdef IFACE_3WIRE_ESP8266
SPI1U1 = spi_mask | (((18-1) << SPILMOSI) | ((18-1) << SPILMISO));
#endif
if (ts) {
tnp = np;
while (tnp--) {
#ifdef IFACE_3WIRE_ESP8266
SPI1W0 = textcolor18;
SPI1CMD |= SPIBUSY;
while(SPI1CMD & SPIBUSY) {}
#else
SPI.write16(textcolor);
#endif
}
}
else {
#ifdef IFACE_3WIRE_ESP8266
SPI1W0 = textcolor18;
SPI1CMD |= SPIBUSY;
while(SPI1CMD & SPIBUSY) {}
#else
SPI.write16(textcolor);
#endif
}
px += textsize;