CCF_100/InfiniTime
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Implement the SPI driver using DMA.

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This commit is contained in:
JF
2020-01-19 19:47:49 +01:00
parent 9dc4e32e36
commit b4bd41cd56
9 changed files with 143 additions and 60 deletions
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28
src/Components/Gfx/Gfx.cpp
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@@ -11,11 +11,21 @@ void Gfx::Init() {
}
void Gfx::ClearScreen() {
lcd.FillRectangle(0, 0, width, height, 0x0000);
SetBackgroundColor(0x0000);
lcd.BeginDrawBuffer(0, 0, width, height);
for(int i = 0; i < height; i++) {
lcd.NextDrawBuffer(reinterpret_cast<const uint8_t *>(buffer), width * 2);
}
lcd.EndDrawBuffer();
}
void Gfx::FillRectangle(uint8_t x, uint8_t y, uint8_t width, uint8_t height, uint16_t color) {
lcd.FillRectangle(x, y, width, height, color);
SetBackgroundColor(color);
lcd.BeginDrawBuffer(0, 0, width, height);
for(int i = 0; i < height; i++) {
lcd.NextDrawBuffer(reinterpret_cast<const uint8_t *>(buffer), width * 2);
}
lcd.EndDrawBuffer();
}
void Gfx::DrawString(uint8_t x, uint8_t y, uint16_t color, const char *text, const FONT_INFO *p_font, bool wrap) {
@@ -70,15 +80,15 @@ void Gfx::DrawChar(const FONT_INFO *font, uint8_t c, uint8_t *x, uint8_t y, uint
for (uint16_t i = 0; i < font->height; i++) {
for (uint16_t j = 0; j < bytes_in_line; j++) {
for (uint8_t k = 0; k < 8; k++) {
if ((1 << (7 - k)) &
font->data[font->charInfo[char_idx].offset + i * bytes_in_line + j]) {
lcd.NextDrawBuffer(reinterpret_cast<uint8_t *>(&color), 2);
if ((1 << (7 - k)) & font->data[font->charInfo[char_idx].offset + i * bytes_in_line + j]) {
buffer[(j*8)+k] = color;
}
else {
lcd.NextDrawBuffer(reinterpret_cast<uint8_t *>(&bg), 2);
buffer[(j*8)+k] = bg;
}
}
}
lcd.NextDrawBuffer(reinterpret_cast<uint8_t *>(&buffer), bytes_in_line*8*2);
}
lcd.EndDrawBuffer();
*x += font->charInfo[char_idx].widthBits + font->spacePixels;
@@ -96,4 +106,10 @@ void Gfx::Wakeup() {
lcd.Wakeup();
}
void Gfx::SetBackgroundColor(uint16_t color) {
for(int i = 0; i < width; i++) {
buffer[i] = color;
}
}

8
src/Components/Gfx/Gfx.h
View File

@@ -21,10 +21,14 @@ namespace Pinetime {
void Wakeup();
private:
static constexpr uint8_t width = 240;
static constexpr uint8_t height = 240;
uint16_t buffer[width]; // 1 line buffer
Drivers::St7789& lcd;
const uint8_t width = 240;
const uint8_t height = 240;
void pixel_draw(uint8_t x, uint8_t y, uint16_t color);
void SetBackgroundColor(uint16_t color);
};
}
}