From c5871d0303ae74dece0db64cce22fc5a3714c923 Mon Sep 17 00:00:00 2001
From: Markus Hitter <mah@jump-ing.de>
Date: Sat, 9 Nov 2013 14:26:15 +0100
Subject: [PATCH] gcode_process.c: show endstop status in clear text.

This costs 40 bytes, but should be a significant enhancement on
usability.
---
 gcode_process.c | 57 +++++++++++++++++++++++++++++--------------------
 1 file changed, 34 insertions(+), 23 deletions(-)

diff --git a/gcode_process.c b/gcode_process.c
index fccd366..0b69934 100644
--- a/gcode_process.c
+++ b/gcode_process.c
@@ -633,29 +633,40 @@ void process_gcode_command() {
         power_on();
         endstops_on();
         delay_ms(10); // allow the signal to stabilize
-        #if defined(X_MIN_PIN)
-          sersendf_P(PSTR("x_min:%d "), x_min());
-        #endif
-        #if defined(X_MAX_PIN)
-          sersendf_P(PSTR("x_max:%d "), x_max());
-        #endif
-        #if defined(Y_MIN_PIN)
-          sersendf_P(PSTR("y_min:%d "), y_min());
-        #endif
-        #if defined(Y_MAX_PIN)
-          sersendf_P(PSTR("y_max:%d "), y_max());
-        #endif
-        #if defined(Z_MIN_PIN)
-          sersendf_P(PSTR("z_min:%d "), z_min());
-        #endif
-        #if defined(Z_MAX_PIN)
-          sersendf_P(PSTR("z_max:%d "), z_max());
-        #endif
-        #if ! (defined(X_MIN_PIN) || defined(X_MAX_PIN) || \
-               defined(Y_MIN_PIN) || defined(Y_MAX_PIN) || \
-               defined(Z_MIN_PIN) || defined(Z_MAX_PIN))
-          sersendf_P(PSTR("no endstops defined"));
-        #endif
+        {
+          const char* const open = PSTR("open ");
+          const char* const triggered = PSTR("triggered ");
+
+          #if defined(X_MIN_PIN)
+            sersendf_P(PSTR("x_min:"));
+            x_min() ? sersendf_P(triggered) : sersendf_P(open);
+          #endif
+          #if defined(X_MAX_PIN)
+            sersendf_P(PSTR("x_max:"));
+            x_max() ? sersendf_P(triggered) : sersendf_P(open);
+          #endif
+          #if defined(Y_MIN_PIN)
+            sersendf_P(PSTR("y_min:"));
+            y_min() ? sersendf_P(triggered) : sersendf_P(open);
+          #endif
+          #if defined(Y_MAX_PIN)
+            sersendf_P(PSTR("y_max:"));
+            y_max() ? sersendf_P(triggered) : sersendf_P(open);
+          #endif
+          #if defined(Z_MIN_PIN)
+            sersendf_P(PSTR("z_min:"));
+            z_min() ? sersendf_P(triggered) : sersendf_P(open);
+          #endif
+          #if defined(Z_MAX_PIN)
+            sersendf_P(PSTR("z_max:"));
+            z_max() ? sersendf_P(triggered) : sersendf_P(open);
+          #endif
+          #if ! (defined(X_MIN_PIN) || defined(X_MAX_PIN) || \
+                 defined(Y_MIN_PIN) || defined(Y_MAX_PIN) || \
+                 defined(Z_MIN_PIN) || defined(Z_MAX_PIN))
+            sersendf_P(PSTR("no endstops defined"));
+          #endif
+        }
         endstops_off();
         break;