diff --git a/firmware/Application/main.cpp b/firmware/Application/main.cpp
index 25e600e..a54e0f9 100644
--- a/firmware/Application/main.cpp
+++ b/firmware/Application/main.cpp
@@ -107,13 +107,30 @@ static BigDigitalTimeScreen g_digital_time_screen(g_display, g_screen_mgr, g_mai
     g_gpioa.init();
     g_gpioa.enable();
 
+    // Output for sleep timing
     g_dbg0.configure_output(GpioDriver::output_mode_t::PUSH_PULL,
                             GpioDriver::output_speed_t::LOW);
+    // Unused
+    g_dbg1.configure_input(GpioDriver::input_pull_t::FLOATING);
+
+    g_tx.configure_alternate_function(4);
+    g_rx.configure_alternate_function(4);
+
+    g_btn_down.configure_input(GpioDriver::input_pull_t::PULL_UP);
+    g_btn_mid.configure_input(GpioDriver::input_pull_t::PULL_UP);
+    g_btn_up.configure_input(GpioDriver::input_pull_t::PULL_UP);
+
+    g_nss.configure_output(GpioDriver::output_mode_t::PUSH_PULL,
+                           GpioDriver::output_speed_t::LOW);
+    g_sck.configure_alternate_function(0);
+    g_mosi.configure_alternate_function(0);
+    g_extcomm.configure_alternate_function(1);
 
     // Set up the system clock
     RtcDriver::init();
     SystemTimer::set_timer(RtcDriver::get_system_timer());
     LowPower::init(g_dbg0);
+    LowPower::enable_debug();
 
     // Initialize the tasks
     g_lptim_pwm.init();