Add two switches to the Devo 7e

diff -r ab395d806bed src/target/devo7e/capabilities.h
--- a/src/target/devo7e/capabilities.h	Thu Feb 14 20:58:25 2013 -0800
+++ b/src/target/devo7e/capabilities.h	Thu Feb 14 21:06:31 2013 -0800
@@ -7,15 +7,19 @@
   CHANDEF(HOLD1)
   CHANDEF(FMOD0)
   CHANDEF(FMOD1)
+  CHANDEF(AIL_DR0)
+  CHANDEF(AIL_DR1)
+  CHANDEF(ELE_DR0)
+  CHANDEF(ELE_DR1)
 #endif
 
 #ifdef UNDEF_INP
 #define INP_RUD_DR0 INP_HOLD0
 #define INP_RUD_DR1 INP_HOLD1
-#define INP_ELE_DR0 INP_HOLD0
-#define INP_ELE_DR1 INP_HOLD1
-#define INP_AIL_DR0 INP_HOLD0
-#define INP_AIL_DR1 INP_HOLD1
+//#define INP_ELE_DR0 INP_HOLD0
+//#define INP_ELE_DR1 INP_HOLD1
+//#define INP_AIL_DR0 INP_HOLD0
+//#define INP_AIL_DR1 INP_HOLD1
 #define INP_FMOD2  INP_FMOD1
 #define INP_MIX0   INP_FMOD0
 #define INP_MIX1   INP_FMOD1
diff -r ab395d806bed src/target/devo7e/channels.c
--- a/src/target/devo7e/channels.c	Thu Feb 14 20:58:25 2013 -0800
+++ b/src/target/devo7e/channels.c	Thu Feb 14 21:06:31 2013 -0800
@@ -40,6 +40,7 @@
     gpio_set(GPIOC, GPIO10 | GPIO11);
 }
 
+extern u32 glbl_buttons;
 s32 CHAN_ReadRawInput(int channel)
 {
     s32 value = 0;
@@ -52,6 +53,12 @@
     case INP_HOLD1:    value = ! gpio_get(GPIOC, GPIO11); break;
     case INP_FMOD0:    value = gpio_get(GPIOC, GPIO10); break;
     case INP_FMOD1:    value = ! gpio_get(GPIOC, GPIO10); break;
+
+    case INP_AIL_DR0:  value = !(glbl_buttons & (1 << 31)); break;
+    case INP_AIL_DR1:  value = !!(glbl_buttons & (1 << 31)); break;
+    
+    case INP_ELE_DR0:  value = !(glbl_buttons & (1 << 30)); break;
+    case INP_ELE_DR1:  value = !!(glbl_buttons & (1 << 30)); break;
     }
     return value;
 }
diff -r ab395d806bed src/target/devo7e/tx_buttons.c
--- a/src/target/devo7e/tx_buttons.c	Thu Feb 14 20:58:25 2013 -0800
+++ b/src/target/devo7e/tx_buttons.c	Thu Feb 14 21:06:31 2013 -0800
@@ -20,9 +20,9 @@
 static const u16 rows[] = {GPIO6, GPIO7, GPIO8, GPIO9, 0xffff};
 static const u8 buttonmap[] = {
     BUT_TRIM_RH_POS, BUT_TRIM_RH_NEG, BUT_TRIM_RV_POS, BUT_TRIM_RV_NEG,
-    BUT_LAST,        BUT_ENTER,       BUT_RIGHT,       BUT_LEFT,
+    32,              BUT_ENTER,       BUT_RIGHT,       BUT_LEFT,
     BUT_TRIM_LV_POS, BUT_TRIM_LV_NEG, BUT_TRIM_LH_NEG, BUT_TRIM_LH_POS,
-    BUT_LAST,        BUT_DOWN,        BUT_UP,          BUT_EXIT,
+    31,              BUT_DOWN,        BUT_UP,          BUT_EXIT,
     };
 
 #define COL_PORT GPIOB
@@ -46,30 +46,33 @@
   gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ,
                 GPIO_CNF_OUTPUT_PUSHPULL, GPIO5 | GPIO6 | GPIO7 | GPIO8);
 
-  gpio_set(GPIOB, GPIO5 | GPIO6| GPIO7 | GPIO8);
+  gpio_clear(GPIOB, GPIO5 | GPIO6| GPIO7 | GPIO8);
 
   /* PortC 6-9 are pull-up inputs */
   gpio_set_mode(GPIOC, GPIO_MODE_INPUT,
                 GPIO_CNF_INPUT_PULL_UPDOWN, GPIO6 | GPIO7 | GPIO8 | GPIO9);
-  gpio_set(GPIOC, GPIO6 | GPIO7 | GPIO8 | GPIO9);
+  gpio_clear(GPIOC, GPIO6 | GPIO7 | GPIO8 | GPIO9);
 }
 
+u32 glbl_buttons = 0;
 u32 ScanButtons()
 {
     u8 idx = 0;
     u32 result = 0;
     const u16 *c, *r;
-    gpio_set(COL_PORT, COL_PORT_MASK);
+    gpio_clear(COL_PORT, COL_PORT_MASK);
     for(c = columns; *c != 0xffff; c++) {
+        gpio_set(COL_PORT, *c);
+        u16 but = gpio_port_read(ROW_PORT);
         gpio_clear(COL_PORT, *c);
-        u16 but = gpio_port_read(ROW_PORT);
-        gpio_set(COL_PORT, *c);
         for(r = rows; *r != 0xffff; r++) {
-            if(! (but & *r)) {
+            if((but & *r)) {
                 result |= 1 << (buttonmap[idx] - 1);
             }
             idx++;
         }
     }
-    return result;
+    if (! (result & 0x3FFFFFFF))
+        glbl_buttons = result;
+    return result & 0x3FFFFFFF;
 }