Charcell lcd driver: Preparations for switching to non-immediate LCD updates, using lcd_update() like on bitmap targets. * Added proper clipping. * Simplified simulator code.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12979 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 26 insertions, 4 deletions

diff --git a/firmware/export/lcd-charcell.h b/firmware/export/lcd-charcell.h
index 9a93cf19de..0684f9cd7b 100644
--- a/firmware/export/lcd-charcell.h
+++ b/firmware/export/lcd-charcell.h
@@ -17,6 +17,20 @@
  *
  ****************************************************************************/
 
+/* target dependent - to be adjusted for other charcell targets */
+#define HW_PATTERN_SIZE 7  /* number of bytes per pattern */
+#define MAX_HW_PATTERNS 8  /* max. number of user-definable hw patterns */
+
+struct cursor_info {
+    unsigned char hw_char;
+    bool enabled;
+    bool visible;
+    int x;
+    int y;
+    int divider;
+    int downcount;
+};
+
 /* map unicode characters to hardware or extended lcd characters */
 struct xchar_info {
     unsigned short ucs;
@@ -28,10 +42,18 @@ struct xchar_info {
     unsigned char hw_char;    /* direct or substitute */
 };
 
-/* target dependent - to be adjusted for other charcell targets */
-#define HW_PATTERN_SIZE 7  /* number of bytes per pattern */
-#define MAX_HW_PATTERNS 8  /* max. number of user-definable hw patterns */
-extern int hw_pattern_count;  /* actual number of user-definable hw patterns */
+/* track usage of user-definable characters */
+struct pattern_info {
+    short count;
+    unsigned short xchar;
+    unsigned char pattern[HW_PATTERN_SIZE];
+};
+
+extern int lcd_pattern_count;  /* actual number of user-definable hw patterns */
+
+extern unsigned char lcd_charbuffer[LCD_HEIGHT][LCD_WIDTH];
+extern struct pattern_info lcd_patterns[MAX_HW_PATTERNS];
+extern struct cursor_info lcd_cursor;
 
 extern const struct xchar_info *xchar_info;
 extern int xchar_info_size;      /* number of entries */