cleanup, display screen abstraction

1 files changed, 40 insertions, 0 deletions

diff --git a/source/sharp.cpp b/source/sharp.cpp
new file mode 100644
index 0000000..e780ae7
--- /dev/null
+++ b/source/sharp.cpp
@@ -0,0 +1,40 @@
+#include "sharp.hpp"
+#include "rtc.hpp"
+
+constexpr unsigned int SHARP_SCK = 12;
+constexpr unsigned int SHARP_MOSI = 13;
+constexpr unsigned int SHARP_SS = 14;
+
+Adafruit_SharpMem Sharp::display(SHARP_SCK, SHARP_MOSI, SHARP_SS, 144, 168);
+TaskHandle_t Sharp::taskHandle;
+bool Sharp::holdRendering = false;
+RenderFunc Sharp::currentScreen;
+
+#define BLACK 0
+#define WHITE 1
+
+void Sharp::begin(void)
+{
+	display.begin();
+	display.clearDisplay();
+	display.setTextSize(3);
+	display.setTextColor(BLACK, WHITE);
+
+	xTaskCreate(updateTask, "sharp", 512, nullptr, TASK_PRIO_LOW,
+		&taskHandle);
+}
+
+void Sharp::updateTask([[maybe_unused]] void *arg)
+{
+	static auto old = RTC::ticks();
+	while (1) {
+		do {
+			delay(300);
+		} while (holdRendering);
+
+		if (currentScreen)
+			currentScreen(display);
+		display.refresh();
+	}
+}
+