From 37088f8731a17c13338c164338cc8abd237f5929 Mon Sep 17 00:00:00 2001
From: Travis Goodspeed <travis@radiantmachines.com>
Date: Fri, 8 Dec 2017 18:52:16 -0500
Subject: [PATCH] LCD monitor command. #55

---
 bin/goodwatch.py   | 13 +++++++++++--
 firmware/monitor.c |  7 ++++++-
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/bin/goodwatch.py b/bin/goodwatch.py
index 5e6c3db..d1e2122 100755
--- a/bin/goodwatch.py
+++ b/bin/goodwatch.py
@@ -111,14 +111,19 @@ class GoodWatch:
         """Peeks a 16-bit word from memory."""
         s=self.transact("\x01\x00"+chr16(adr));
         return ord16(s[2:4]);
+    def lcdstring(self,string):
+        """Writes an 8-letter string to the LCD."""
+        self.transact("\x03"+string+"\x00");
+        return;
         
 if __name__=='__main__':
     parser = argparse.ArgumentParser(description='GoodWatch Client')
     parser.add_argument('-p','--port',
                         help='Serial Port',default='/dev/ttyUSB0');
     parser.add_argument('-r','--peek',
-                        help='Serial Port');
-    
+                        help='Peek');
+    parser.add_argument('-l','--lcd',
+                        help='Write a string the LCD.');
     parser.add_argument('-d','--dump',
                         help='Produce a core dump.',action='count');
     parser.add_argument('-D','--dmesg',
@@ -141,6 +146,10 @@ if __name__=='__main__':
         adr=int(args.peek,16);
         val=goodwatch.peek(adr);
         print "0x%04x: %04x\n" % (adr,val);
+
+    if args.lcd!=None:
+        goodwatch.lcdstring(args.lcd);
+    
     #Exit turbomode when we're done.
     #goodwatch.turbomode(0);
     
diff --git a/firmware/monitor.c b/firmware/monitor.c
index 1168ec5..75368db 100644
--- a/firmware/monitor.c
+++ b/firmware/monitor.c
@@ -16,7 +16,7 @@ enum {
   SETTURBOMODE = 0x00,
   PEEK         = 0x01,
   POKE         = 0x02,
-  LCD          = 0x03,
+  LCDSTRING    = 0x03,
   DMESG        = 0x04
 } monitor_verb;
 
@@ -50,6 +50,11 @@ int monitor_handle(uint8_t *buffer, int len){
     }
     break;
 
+  case LCDSTRING:
+    lcd_zero();
+    lcd_string((char*) buffer+1);
+    break;
+    
   case DMESG:
     
     break;