add get_free_chars() method

server/drivers/CFontzPacket.c

@@ -1261,6 +1261,18 @@ char bignum_map[11][4][3] = {
 }
 
 
+/*
+ * Gets number of custom chars (always NUM_CCs)
+ */
+MODULE_EXPORT int
+CFontzPacket_get_free_chars (Driver *drvthis)
+{
+//PrivateData *p = drvthis->private_data;
+
+  return NUM_CCs;
+}
+
+
 /*
  * Sets a custom character from 0 - (NUM_CCs-1)
  *

server/drivers/CFontzPacket.h

@@ -35,7 +35,9 @@ MODULE_EXPORT void CFontzPacket_vbar (Driver *drvthis, int x, int y, int len, in
 MODULE_EXPORT void CFontzPacket_hbar (Driver *drvthis, int x, int y, int len, int promille, int options);
 MODULE_EXPORT void CFontzPacket_num (Driver *drvthis, int x, int num);
 MODULE_EXPORT int  CFontzPacket_icon(Driver *drvthis, int x, int y, int icon);
+MODULE_EXPORT void CFontzPacket_cursor (Driver *drvthis, int x, int y, int state);
 
+MODULE_EXPORT int  CFontzPacket_get_free_chars (Driver *drvthis);
 MODULE_EXPORT void CFontzPacket_set_char (Driver *drvthis, int n, char *dat);
 
 MODULE_EXPORT int  CFontzPacket_get_contrast (Driver *drvthis);

server/drivers/IOWarrior.c

@@ -1020,6 +1020,46 @@ char bignum_map[11][4][3] = {
 }
 
 
+/*********************************************************************
+ * API: set cursor position and state
+ */
+/* not yet tested (needs input)
+ * maybe better: set only variables here and update when flushing
+MODULE_EXPORT void
+IOWarrior_cursor (Driver *drvthis, int x, int y, int state)
+{
+PrivateData *p = drvthis->private_data;
+
+  iowlcd_set_pos(p->udh, x, y);
+
+  switch (state) {
+    case CURSOR_OFF:
+      iowlcd_display_on_off(p->udh, 1, 0, 0);
+      break;
+    case CURSOR_UNDER:
+      iowlcd_display_on_off(p->udh, 1, 1, 0);
+      break;
+    case CURSOR_BLOCK:
+    case CURSOR_DEFAULT_ON:
+    default:
+      iowlcd_display_on_off(p->udh, 1, 1, 1);
+      break;
+  }    
+}
+*/
+
+/*********************************************************************
+ * API: get number of custom chars (always NUM_CCs)
+ */
+MODULE_EXPORT int
+IOWarrior_get_free_chars (Driver *drvthis)
+{
+//PrivateData *p = drvthis->private_data;
+
+  return NUM_CCs;
+}
+
+
 /*********************************************************************
  * API: Sets a custom character from 0 - (NUM_CCs-1)
  *

server/drivers/IOWarrior.h

@@ -129,6 +129,7 @@ MODULE_EXPORT void IOWarrior_backlight(Driver *drvthis, int on);
 MODULE_EXPORT void IOWarrior_vbar(Driver *drvthis, int x, int y, int len, int promille, int options);
 MODULE_EXPORT void IOWarrior_hbar(Driver *drvthis, int x, int y, int len, int promille, int options);
 MODULE_EXPORT void IOWarrior_num(Driver *drvthis, int x, int num);
+MODULE_EXPORT int  IOWarrior_get_free_chars(Driver *drvthis);
 MODULE_EXPORT void IOWarrior_set_char(Driver *drvthis, int n, char *dat);
 MODULE_EXPORT int  IOWarrior_icon(Driver *drvthis, int x, int y, int icon);
 MODULE_EXPORT void IOWarrior_output(Driver *drvthis, int on);