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fix screen fill on the 8875

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Jorj Bauer 2022-02-02 10:12:38 -05:00
parent 764a18d598
commit 0a47ec63f5
1 changed files with 8 additions and 8 deletions
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16
teensy/RA8875_t4.cpp
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@ -98,6 +98,7 @@ DMAChannel _dmatx;
#define _565toR(c) ( ((c) & 0xF800) >> 8 )
#define _565toG(c) ( ((c) & 0x07E0) >> 3 )
#define _565toB(c) ( ((c) & 0x001F) << 3 )
#define _565To332(c) ((((c) & 0xe000) >> 8) | (((c) & 0x700) >> 6) | (((c) & 0x18) >> 3))
// 3 of these, one for each of the 3 busses, so that 3 separate
// displays could be driven. FIXME: I don't really need all 3 in this
@ -397,15 +398,14 @@ bool RA8875_t4::updateScreenAsync(bool update_cont)
void RA8875_t4::fillWindow(uint16_t color)
{
// FIXME: reduce color & fill appropriately
memset(_pfbtft, RA8875_WIDTH*RA8875_HEIGHT, 0);
if (!_pfbtft)
return;
// Reduce color to 8 bit
uint8_t c8 = _565To332(color);
memset(_pfbtft, c8, RA8875_WIDTH*RA8875_HEIGHT);
}
// *** Remove this and convert to native 8-bit? Or make it inline?
uint8_t _color16To8bpp(uint16_t color) {
return ((color & 0xe000) >> 8) | ((color & 0x700) >> 6) | ((color & 0x18) >> 3);
}
void RA8875_t4::drawPixel(int16_t x, int16_t y, uint16_t color)
{
if (x>=800 || y>=480) {
@ -416,7 +416,7 @@ void RA8875_t4::drawPixel(int16_t x, int16_t y, uint16_t color)
return;
}
_pfbtft[y*RA8875_WIDTH+x] = _color16To8bpp(color);
_pfbtft[y*RA8875_WIDTH+x] = _565To332(color);
}
void RA8875_t4::cacheApplePixel(uint16_t x, uint16_t y, uint16_t color)