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add color display support + SSD1351 driver

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This commit is contained in:
Philippe G
2020-07-25 16:57:10 -07:00
parent e131b674fd
commit 62824da779
15 changed files with 784 additions and 218 deletions
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51
components/squeezelite/display.c
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@@ -123,6 +123,8 @@ static struct {
bool owned;
} displayer = { .dirty = true, .owned = true };
static uint32_t *grayMap;
#define LONG_WAKE (10*1000)
#define SB_HEIGHT 32
@@ -296,6 +298,12 @@ bool sb_display_init(void) {
displayer.width = GDS_GetWidth(display);
displayer.height = min(GDS_GetHeight(display), SB_HEIGHT);
// allocate gray-color mapping if needed;
if (GDS_GetMode(display) > GDS_GRAYSCALE) {
grayMap = malloc(256*sizeof(*grayMap));
for (int i = 0; i < 256; i++) grayMap[i] = GDS_GrayMap(display, i);
}
// create visu configuration
visu.bar_gap = 1;
visu.speed = 100;
@@ -571,22 +579,40 @@ void draw_VU(struct GDS_Device * display, const uint8_t *data, int level, int x,
data += (VU_WIDTH - width) / 2 * VU_HEIGHT;
}
// this is 8 bits grayscale
int scale = 8 - GDS_GetDepth(display);
if (GDS_GetMode(display) <= GDS_GRAYSCALE) {
// this is 8 bits grayscale
int scale = 8 - GDS_GetDepth(display);
// use "fast" version as we are not beyond screen boundaries
if (visu.rotate) {
for (int r = 0; r < width; r++) {
for (int c = VU_HEIGHT; --c >= 0;) {
GDS_DrawPixelFastExt(display, c + x, r + y, *data++ >> scale);
// use "fast" version as we are not beyond screen boundaries
if (visu.rotate) {
for (int r = 0; r < width; r++) {
for (int c = VU_HEIGHT; --c >= 0;) {
GDS_DrawPixelFast(display, c + x, r + y, *data++ >> scale);
}
}
} else {
for (int r = 0; r < width; r++) {
for (int c = 0; c < VU_HEIGHT; c++) {
GDS_DrawPixelFast(display, r + x, c + y, *data++ >> scale);
}
}
}
} else {
for (int r = 0; r < width; r++) {
for (int c = 0; c < VU_HEIGHT; c++) {
GDS_DrawPixelFastExt(display, r + x, c + y, *data++ >> scale);
// use "fast" version as we are not beyond screen boundaries
if (visu.rotate) {
for (int r = 0; r < width; r++) {
for (int c = VU_HEIGHT; --c >= 0;) {
GDS_DrawPixelFast(display, c + x, r + y, grayMap[*data++]);
}
}
}
} else {
for (int r = 0; r < width; r++) {
for (int c = 0; c < VU_HEIGHT; c++) {
GDS_DrawPixelFast(display, r + x, c + y, grayMap[*data++]);
}
}
}
}
// need to manually set dirty flag as DrawPixel does not do it
@@ -908,12 +934,13 @@ static void visu_update(void) {
if (mode != VISU_VUMETER || !visu.style) {
// there is much more optimization to be done here, like not redrawing bars unless needed
for (int i = visu.n; --i >= 0;) {
// update maximum
if (visu.bars[i].current > visu.bars[i].max) visu.bars[i].max = visu.bars[i].current;
else if (visu.bars[i].max) visu.bars[i].max--;
else if (!clear) continue;
if (visu.rotate) {
int x1 = visu.col;
int y1 = visu.row + visu.border + visu.bar_border + i*(visu.bar_width + visu.bar_gap);