5 files changed, 9 insertions, 5 deletions
diff --git a/hid/pico/src/ph_cmds.h b/hid/pico/src/ph_cmds.h
index 549b65e3..bfb820c5 100644
--- a/hid/pico/src/ph_cmds.h
+++ b/hid/pico/src/ph_cmds.h
@@ -20,6 +20,8 @@
 # ========================================================================= */
 
 
+#pragma once
+
 #include "ph_types.h"
 
 
diff --git a/hid/pico/src/ph_debug.h b/hid/pico/src/ph_debug.h
index 32dcd691..db7ef31d 100644
--- a/hid/pico/src/ph_debug.h
+++ b/hid/pico/src/ph_debug.h
@@ -20,6 +20,8 @@
 *****************************************************************************/
 
 
+#pragma once
+
 #include "ph_types.h"
 
 
diff --git a/hid/pico/src/ph_ps2.c b/hid/pico/src/ph_ps2.c
index 03fbe9b7..60723a1c 100644
--- a/hid/pico/src/ph_ps2.c
+++ b/hid/pico/src/ph_ps2.c
@@ -26,9 +26,9 @@
 #include "ph_outputs.h"
 
 
-u8 ph_g_ps2_kbd_leds;
-bool ph_g_ps2_kbd_online;
-bool ph_g_ps2_mouse_online;
+u8 ph_g_ps2_kbd_leds = 0;
+bool ph_g_ps2_kbd_online = 0;
+bool ph_g_ps2_mouse_online = 0;
 
 
 void ph_ps2_init(void) {
diff --git a/hid/pico/src/ph_usb_keymap.h b/hid/pico/src/ph_usb_keymap.h
index e33bbd08..951949ae 100644
--- a/hid/pico/src/ph_usb_keymap.h
+++ b/hid/pico/src/ph_usb_keymap.h
@@ -25,7 +25,7 @@
 #include "ph_types.h"
 
 
-u8 ph_usb_keymap(u8 key) {
+inline u8 ph_usb_keymap(u8 key) {
 	switch (key) {
 		case 1: return 4; // KeyA
 		case 2: return 5; // KeyB
diff --git a/hid/pico/src/ph_usb_keymap.h.mako b/hid/pico/src/ph_usb_keymap.h.mako
index b90e8970..dd156fed 100644
--- a/hid/pico/src/ph_usb_keymap.h.mako
+++ b/hid/pico/src/ph_usb_keymap.h.mako
@@ -25,7 +25,7 @@
 #include "ph_types.h"
 
 <%! import operator %>
-u8 ph_usb_keymap(u8 key) {
+inline u8 ph_usb_keymap(u8 key) {
 	switch (key) {
 % for km in sorted(keymap, key=operator.attrgetter("mcu_code")):
 	% if km.usb_key.is_modifier: