More defines for use set FG BG color, direct call function more compact

ili9341.c

@@ -523,17 +523,21 @@ void ili9341_clear_screen(void)
 {
   ili9341_fill(0, 0, ILI9341_WIDTH, ILI9341_HEIGHT, background_color);
 }
-#if 0
+
+#ifndef ili9341_set_foreground
 void ili9341_set_foreground(uint16_t fg)
 {
   foreground_color = fg;
 }
+#endif
 
+#ifndef ili9341_set_background
 void ili9341_set_background(uint16_t bg)
 {
   background_color = bg; 
 }
 #endif
+
 void ili9341_set_rotation(uint8_t r)
 {
   //  static const uint8_t rotation_const[]={DISPLAY_ROTATION_0, DISPLAY_ROTATION_90,

main.c

@@ -2797,8 +2797,8 @@ void hard_fault_handler_c(uint32_t *sp)
   int y = 0;
   int x = OFFSETX + 1;
   static  char buf[96];
-  ili9341_set_background(0x0000);
-  ili9341_set_foreground(0xFFFF);
+  ili9341_set_background(DEFAULT_BG_COLOR);
+  ili9341_set_foreground(DEFAULT_FG_COLOR);
 
   plot_printf(buf, sizeof(buf), "SP  0x%08x",  (uint32_t)sp);ili9341_drawstring(buf, x, y+=FONT_STR_HEIGHT);
   plot_printf(buf, sizeof(buf), "R0  0x%08x",  r0);ili9341_drawstring(buf, x, y+=FONT_STR_HEIGHT);

nanovna.h

@@ -540,13 +540,15 @@ void ili9341_init(void);
 void ili9341_test(int mode);
 void ili9341_bulk(int x, int y, int w, int h);
 void ili9341_fill(int x, int y, int w, int h, uint16_t color);
-#if 0
+
+#if 1
 void ili9341_set_foreground(uint16_t fg);
 void ili9341_set_background(uint16_t fg);
 #else
 #define ili9341_set_foreground(fg) {  foreground_color = fg; }
 #define ili9341_set_background(bg) {  background_color = bg;}
 #endif
+
 void ili9341_clear_screen(void);
 void blit8BitWidthBitmap(uint16_t x, uint16_t y, uint16_t width, uint16_t height, const uint8_t *bitmap);
 void ili9341_drawchar(uint8_t ch, int x, int y);