added DEBUGMODE macro to enable/disable debug prints`

1 files changed, 19 insertions, 15 deletions

diff --git a/skey.c b/skey.c
index 86ac5ae..1b2257b 100644
--- a/skey.c
+++ b/skey.c
@@ -13,6 +13,10 @@
  */
 #define USE_GPIO 1
 /*
+ * toggles debug mode,
+ */
+#define DEBUGMODE 1
+/*
  * On the prototype model, the diodes were soldered backwards, so that the
  * negative ends were facing the cpins.
  * as outputs they seem to opendrain(transistor to high, resistor to low)
@@ -170,13 +174,13 @@ int processkey(int row, int column, int state) {
 		break;
 	}
 	if ((KEYSTATE_PHYS & keystate[row][column])) {
-		printk(KERN_DEBUG "skey: previous KEYSTATE_PHYS for r:%d,c:%d was %d\n", row, column, (KEYSTATE_PHYS & keystate[row][column]));
+		if(DEBUGMODE){printk(KERN_DEBUG "skey: previous KEYSTATE_PHYS for r:%d,c:%d was %d\n", row, column, (KEYSTATE_PHYS & keystate[row][column]));}
 	}
 	//falling edge
 	if ((KEYSTATE_PHYS & keystate[row][column]) && !state) {
-		printk(KERN_DEBUG "skey: falling edge detected for r:%d,c:%d\n", row, column);
+		if(DEBUGMODE){printk(KERN_DEBUG "skey: falling edge detected for r:%d,c:%d\n", row, column);}
 		if (!stickymode) {
-			printk(KERN_DEBUG "skey: stickymode off with falling edge, reporting key up with keycode %d\n", skey_keymap[current_keymap][row][column]);
+			if(DEBUGMODE){printk(KERN_DEBUG "skey: stickymode off with falling edge, reporting key up with keycode %d\n", skey_keymap[current_keymap][row][column]);}
 			//reports key up
 			input_report_key(skey_dev, skey_keymap[current_keymap][row][column], 0);
 			input_sync(skey_dev);
@@ -184,38 +188,38 @@ int processkey(int row, int column, int state) {
 		}
 	//rising edge
 	}else if (!(KEYSTATE_PHYS & keystate[row][column]) && state) {
-		printk(KERN_DEBUG "skey: rising edge detected for r:%d,c:%d\n", row, column);
+		if(DEBUGMODE){printk(KERN_DEBUG "skey: rising edge detected for r:%d,c:%d\n", row, column);}
 		/*
 		 *handles keys that have special behavior, and to which stickykey do not apply
 		 * if sticky keys don't apply then only the falling edge applies
 		 */
 		switch (skey_keymap[current_keymap][row][column]) {
 			case KEY_ALPHAMAP:
-				printk(KERN_DEBUG "skey: changing to keymap ALPHA\n");
+				if(DEBUGMODE){printk(KERN_DEBUG "skey: changing to keymap ALPHA\n");}
 				current_keymap = 0;
 				return 0;
 			break;
 			case KEY_NUMBERMAP:
-				printk(KERN_DEBUG "skey: changing to keymap NUM\n");
+				if(DEBUGMODE){printk(KERN_DEBUG "skey: changing to keymap NUM\n");}
 				current_keymap = 1;
 				return 0;
 			break;
 			case KEY_SPECIALMAP:
-				printk(KERN_DEBUG "skey: changing to keymap SPECIAL\n");
+				if(DEBUGMODE){printk(KERN_DEBUG "skey: changing to keymap SPECIAL\n");}
 				current_keymap = 2;
 				return 0;
 			break;
 			case KEY_STICKYMAP:
-				printk(KERN_DEBUG "skey: toggling stickymode\n");
+				if(DEBUGMODE){printk(KERN_DEBUG "skey: toggling stickymode\n");}
 				stickymode = !stickymode;
 				if (!stickymode) {
 					clearkeystate();
-					printk(KERN_DEBUG "skey: cleaned stickmode states\n");
+					if(DEBUGMODE){printk(KERN_DEBUG "skey: cleaned stickmode states\n");}
 				}
 				return 0;
 			break;
 			case KEY_MS_2ND:
-				printk(KERN_DEBUG "skey: toggling MS_2ND\n");
+				if(DEBUGMODE){printk(KERN_DEBUG "skey: toggling MS_2ND\n");}
 				if (current_keymap == 2) {
 					current_keymap = 3;
 				} else if (current_keymap == 3) {
@@ -256,17 +260,17 @@ int processkey(int row, int column, int state) {
 		}
 		//if it's stickymode, toggle the state  stored and send corresponding vent
 		if (stickymode) {
-			printk(KERN_DEBUG "skey: stickymoe on with rising edge\n");
+			if(DEBUGMODE){printk(KERN_DEBUG "skey: stickymoe on with rising edge\n");}
 			//it was high before, so now it's being toggled off
 			if (keystate[row][column] & keystate_bitmask) {
-				printk(KERN_DEBUG "skey: stickymode sending key up with code %d\n", skey_keymap[current_keymap][row][column]);
+				if(DEBUGMODE){printk(KERN_DEBUG "skey: stickymode sending key up with code %d\n", skey_keymap[current_keymap][row][column]);}
 				input_report_key(skey_dev, skey_keymap[current_keymap][row][column], 0);
 				input_sync(skey_dev);
 
 				keystate[row][column] = (~keystate_bitmask) & keystate[row][column];
 			//it was low before, so now it's being toggled on
 			} else {
-				printk(KERN_DEBUG "skey: stickymode sending key down with code %d\n", skey_keymap[current_keymap][row][column]);
+				if(DEBUGMODE){printk(KERN_DEBUG "skey: stickymode sending key down with code %d\n", skey_keymap[current_keymap][row][column]);}
 				input_report_key(skey_dev, skey_keymap[current_keymap][row][column], 1);
 				input_sync(skey_dev);
 				keystate[row][column] = keystate_bitmask | keystate[row][column];
@@ -274,7 +278,7 @@ int processkey(int row, int column, int state) {
 			}
 		//otherwise just send a key down event
 		} else {
-			printk(KERN_DEBUG "skey:skey rising edge w/o stickymode, sending key down with keycode %d\n", skey_keymap[current_keymap][row][column]);
+			if(DEBUGMODE){printk(KERN_DEBUG "skey:skey rising edge w/o stickymode, sending key down with keycode %d\n", skey_keymap[current_keymap][row][column]);}
 			input_report_key(skey_dev, skey_keymap[current_keymap][row][column], 1);
 			input_sync(skey_dev);
 		}
@@ -318,7 +322,7 @@ int skey_update_thread (void *data) {
 				while (column_index < 10) {
 					if (gpio_get_value_cansleep(column_pins[column_index])) {
 						processkey(row_index, column_index, 1);
-						printk(KERN_DEBUG "skey:button pressed at r:%d,c:%d\n", row_index, column_index);
+						if(DEBUGMODE){printk(KERN_DEBUG "skey:button pressed at r:%d,c:%d\n", row_index, column_index);}
 					} else {
 						processkey(row_index, column_index, 0);
 					}