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Validated 256 pixels SSD1326

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philippe44
2020-03-03 20:37:23 -08:00
parent 1bb4d25bce
commit 2b924fa425
5 changed files with 45 additions and 66 deletions
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33
components/display/SSD132x.c
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@@ -162,15 +162,15 @@ static void IRAM_ATTR DrawPixel1Fast( struct GDS_Device* Device, int X, int Y, i
*FBOffset ^= BIT( 7 - XBit );
} else {
// we might be able to save the 7-Xbit using BitRemap (A0 bit 2)
*FBOffset = ( Color == GDS_COLOR_BLACK ) ? *FBOffset & ~BIT( 7 - XBit ) : *FBOffset | BIT( 7 - XBit );
*FBOffset = ( Color == GDS_COLOR_BLACK ) ? *FBOffset & ~BIT( XBit ) : *FBOffset | BIT( XBit );
}
}
static void ClearWindow( struct GDS_Device* Device, int x1, int y1, int x2, int y2, int Color ) {
uint8_t _Color = Color == GDS_COLOR_BLACK ? 0: 0xff;
uint8_t Width = Device->Width >> 3;
int Width = Device->Width >> 3;
uint8_t *optr = Device->Framebuffer;
for (int r = y1; r <= y2; r++) {
int c = x1;
// for a row that is not on a boundary, not column opt can be done, so handle all columns on that line
@@ -184,13 +184,28 @@ static void ClearWindow( struct GDS_Device* Device, int x1, int y1, int x2, int
}
static void DrawBitmapCBR(struct GDS_Device* Device, uint8_t *Data, int Width, int Height, int Color ) {
uint8_t *optr = Device->Framebuffer;
if (!Height) Height = Device->Height;
if (!Width) Width = Device->Width;
int DWidth = Device->Width >> 3;
// just do bitreverse and if BitRemap works, there will be even nothing to do
for (int i = Height * Width >> 3; --i >= 0;) *optr++ = BitReverseTable256[*Data++];
// Two consecutive bits of source data are split over two different bytes of framebuffer
for (int c = 0; c < Width; c++) {
uint8_t shift = c & 0x07, bit = ~(1 << shift);
uint8_t *optr = Device->Framebuffer + (c >> 3);
// we need to linearize code to let compiler better optimize
for (int r = Height >> 3; --r >= 0;) {
uint8_t Byte = BitReverseTable256[*Data++];
*optr = (*optr & bit) | ((Byte & 0x01) << shift); optr += DWidth; Byte >>= 1;
*optr = (*optr & bit) | ((Byte & 0x01) << shift); optr += DWidth; Byte >>= 1;
*optr = (*optr & bit) | ((Byte & 0x01) << shift); optr += DWidth; Byte >>= 1;
*optr = (*optr & bit) | ((Byte & 0x01) << shift); optr += DWidth; Byte >>= 1;
*optr = (*optr & bit) | ((Byte & 0x01) << shift); optr += DWidth; Byte >>= 1;
*optr = (*optr & bit) | ((Byte & 0x01) << shift); optr += DWidth; Byte >>= 1;
*optr = (*optr & bit) | ((Byte & 0x01) << shift); optr += DWidth; Byte >>= 1;
*optr = (*optr & bit) | ((Byte & 0x01) << shift); optr += DWidth;
}
}
}
static void SetHFlip( struct GDS_Device* Device, bool On ) {
@@ -294,6 +309,7 @@ static const struct GDS_Device SSD132x = {
struct GDS_Device* SSD132x_Detect(char *Driver, struct GDS_Device* Device) {
uint8_t Model;
int Depth;
if (strcasestr(Driver, "SSD1326")) Model = SSD1326;
else if (strcasestr(Driver, "SSD1327")) Model = SSD1327;
@@ -304,7 +320,8 @@ struct GDS_Device* SSD132x_Detect(char *Driver, struct GDS_Device* Device) {
*Device = SSD132x;
((struct PrivateSpace*) Device->Private)->Model = Model;
sscanf(Driver, "%*[^:]:%c", &Device->Depth);
sscanf(Driver, "%*[^:]:%u", &Depth);
Device->Depth = Depth;
if (Model == SSD1326 && Device->Depth == 1) {
Device->Update = Update1;