Add display module

closes #6 (closed)

epicardium/modules/display.c

+#include "tmr_utils.h"
+#include "gpio.h"
+#include "GUI_DEV/GUI_Paint.h"
+#include "Fonts/fonts.h"
+#include "tmr.h"
+
+enum locktype {
+	LOCK_NONE = 0,
+	LOCK_EPICARDIUM,
+	LOCK_PYCARDIUM
+};
+
+enum locktype lock = LOCK_NONE;
+
+void epic_disp_print_string(
+	uint16_t posx, uint16_t posy, char *pString, uint16_t fg, uint16_t bg
+) {
+	Paint_DrawString_EN(posx, posy, pString, &Font20, bg, fg);
+}
+
+void epic_disp_clear(uint16_t color)
+{
+	LCD_Clear(color);
+}
+
+void epic_disp_line(
+	uint16_t xstart,
+	uint16_t ystart,
+	uint16_t xend,
+	uint16_t yend,
+	uint16_t color,
+	uint16_t linestyle,
+	uint16_t pixelsize
+) {
+	Paint_DrawLine(xstart, ystart, xend, yend, color, linestyle, pixelsize);
+}
+
+void epic_disp_rect(
+	uint16_t xstart,
+	uint16_t ystart,
+	uint16_t xend,
+	uint16_t yend,
+	uint16_t color,
+	uint16_t fillstyle,
+	uint16_t pixelsize
+) {
+	Paint_DrawRectangle(
+		xstart, ystart, xend, yend, color, fillstyle, pixelsize
+	);
+}
+
+void epic_disp_circ(
+	uint16_t x,
+	uint16_t y,
+	uint16_t rad,
+	uint16_t color,
+	uint16_t fillstyle,
+	uint16_t pixelsize
+) {
+	Paint_DrawCircle(x, y, rad, color, fillstyle, pixelsize);
+}
+
+void epic_disp_update()
+{
+	LCD_Update();
+}
+
+int epic_disp_open()
+{
+	if(lock != LOCK_NONE) {
+		return 28; // ERNOSPC
+	} else {
+		lock = LOCK_PYCARDIUM;
+		return 0;
+	}
+}
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