update display lib

include/display.h

@@ -3,15 +3,37 @@
 
 #include "cyclic.h"
 #include "qrcode.h"
+#define DISPLAY_PAGES (7) // number of paxcounter display pages
+
+// settings for oled display library
+#define USE_BACKBUFFER 1
+#define MY_OLED OLED_128x64
+#define OLED_ADDR -1
+#define OLED_INVERT 0
+#define USE_HW_I2C 1
+
+#ifndef DISPLAY_FLIP
+#define DISPLAY_FLIP 0
+#endif
+
+// settings for qr code generator
+#define QR_VERSION 3     // 29 x 29px
+#define QR_SCALEFACTOR 2 // 29 -> 58x < 64px
+
+// settings for curve plotter
+#define DISPLAY_WIDTH 128 // Width in pixels of OLED-display, must be 32X
+#define DISPLAY_HEIGHT 64 // Height in pixels of OLED-display, must be 64X
 
 extern uint8_t DisplayIsOn, displaybuf[];
 
+void setup_display(int contrast = 0);
 void refreshTheDisplay(bool nextPage = false);
 void init_display(bool verbose = false);
 void shutdown_display(void);
 void draw_page(time_t t, bool nextpage);
 void dp_printf(uint16_t x, uint16_t y, uint8_t font, uint8_t inv,
                const char *format, ...);
+void dp_dump(uint8_t *pBuffer);
 void dp_printqr(uint16_t offset_x, uint16_t offset_y, const char *Message);
 void oledfillRect(uint16_t x, uint16_t y, uint16_t width, uint16_t height,
                   uint8_t bRender);