From 6ff0acecdf0a6c2f4bdb41dcffc814c46803c23c Mon Sep 17 00:00:00 2001
From: TT <edy555@gmail.com>
Date: Sat, 29 Oct 2016 18:19:59 +0900
Subject: [PATCH] add micro and pi

---
 Font5x7.c | 28 ++++++++++++++--------------
 nanovna.h |  4 +++-
 2 files changed, 17 insertions(+), 15 deletions(-)

diff --git a/Font5x7.c b/Font5x7.c
index 7ac9cc9..f072dc0 100644
--- a/Font5x7.c
+++ b/Font5x7.c
@@ -549,38 +549,38 @@ const uint16_t x5x7_bits [] =
      +----------------+
      |                |
      |                |
-     | ***            |
-     | * *            |
+     |*****           |
      | * *            |
      | * *            |
+     |*  **           |
      |                |
      +----------------+ */
   0x0000,
   0x0000,
-  0x7000,
-  0x5000,
+  0xf800,
   0x5000,
   0x5000,
+  0x9800,
   0x0000,
 
   /* Character (0x1d):
      bbw=5, bbh=7, bbx=0, bby=-1, width=5
      +----------------+
      |                |
-     |   *            |
-     | ***            |
-     |  *             |
-     | ***            |
-     | *              |
      |                |
+     |*  *            |
+     |*  *            |
+     |*  *            |
+     |***             |
+     |*               |
      +----------------+ */
   0x0000,
-  0x1000,
-  0x7000,
-  0x2000,
-  0x7000,
-  0x4000,
   0x0000,
+  0x9000,
+  0x9000,
+  0x9000,
+  0xe000,
+  0x8000,
 
   /* Character (0x1e):
      bbw=5, bbh=7, bbx=0, bby=-1, width=5
diff --git a/nanovna.h b/nanovna.h
index c179304..2bce821 100644
--- a/nanovna.h
+++ b/nanovna.h
@@ -122,7 +122,9 @@ void draw_cell_all(void);
 extern const uint16_t x5x7_bits [];
 extern const uint32_t numfont20x24[][24];
 
-#define CHAR_OHM  '\0x1e'
+#define CHAR_PI    '\0x1c'
+#define CHAR_MICRO '\0x1d'
+#define CHAR_OHM   '\0x1e'
 
 int caldata_save(void);
 int caldata_recall(void);