[airborne] cleanup USE_USB_SERIAL

conf/firmwares/setup.makefile

@@ -104,4 +104,3 @@ setup_actuators.CFLAGS += -I$(ARCH)
 setup_actuators.srcs   += $(SRC_ARCH)/led_hw.c
 setup_actuators.srcs   += $(SRC_ARCH)/mcu_periph/gpio_arch.c
 endif
-

sw/airborne/arch/lpc21/usb_msc_hw.c

@@ -69,7 +69,7 @@
 #include "blockdev.h"
 #include "usb_msc_hw.h"
 
-#ifdef USE_USB_SERIAL
+#if USE_USB_SERIAL
 #if PCLK < 18000000
 #error PCLK needs to be higher than 18MHz for USB to work properly
 #endif

sw/airborne/arch/lpc21/usb_ser_hw.c

@@ -56,7 +56,7 @@
 
 #include "lpcusb/usbapi.h"
 
-#ifdef USE_USB_SERIAL
+#if USE_USB_SERIAL
 #if PCLK < 18000000
 #error PCLK needs to be higher than 18MHz for USB to work properly
 #endif
@@ -243,8 +243,6 @@ static const uint8_t abDescriptors[] = {
 };
 
 
-#ifdef USE_USB_SERIAL
-
 void fifo_init(fifo_t *fifo, U8 *buf)
 {
 	fifo->head = 0;
@@ -616,6 +614,3 @@ void VCOM_init(void) {
   usb_serial.device.transmit = (transmit_t) usb_serial_transmit;
   usb_serial.device.send_message = (send_message_t) usb_serial_send;
 }
-
-
-#endif /* USE_USB_SERIAL */

sw/airborne/arch/lpc21/usb_tunnel.c

@@ -55,9 +55,7 @@ int main( void ) {
   led_init();
   VCOM_allow_linecoding(1);
 
-#ifdef USE_USB_SERIAL
   VCOM_init();
-#endif
 
   mcu_int_enable();
 

sw/airborne/firmwares/rotorcraft/main.c

@@ -83,7 +83,7 @@ PRINT_CONFIG_MSG_VALUE("USE_BARO_BOARD is TRUE, reading onboard baro: ", BARO_BO
 #include "generated/modules.h"
 #include "subsystems/abi.h"
 
-#ifdef USE_USB_SERIAL
+#if USE_USB_SERIAL
 #include "mcu_periph/usb_serial.h"
 #endif
 
@@ -287,7 +287,7 @@ STATIC_INLINE void main_event( void ) {
   udp_event();
 #endif
 
-#ifdef USE_USB_SERIAL
+#if USE_USB_SERIAL
   VCOM_event();
 #endif
 

sw/airborne/mcu.c

@@ -47,7 +47,7 @@
 #if USE_ADC
 #include "mcu_periph/adc.h"
 #endif
-#ifdef USE_USB_SERIAL
+#if USE_USB_SERIAL
 #include "mcu_periph/usb_serial.h"
 #endif
 #ifdef USE_UDP
@@ -110,7 +110,7 @@ void mcu_init(void) {
 #if USE_ADC
   adc_init();
 #endif
-#ifdef USE_USB_SERIAL
+#if USE_USB_SERIAL
   VCOM_init();
 #endif
 

sw/airborne/modules/core/sys_mon.c

@@ -23,10 +23,6 @@
 #include "core/sys_mon.h"
 #include "mcu_periph/sys_time.h"
 
-#ifdef USE_USB_SERIAL
-#include "mcu_periph/usb_serial.h"
-#endif
-
 /** Global system monitor data (averaged over 1 sec) */
 struct SysMon sys_mon;
 

sw/airborne/modules/gsm/gsm.c

@@ -58,9 +58,6 @@ Receiving:
 #include "gsm.h"
 #include "mcu_periph/uart.h"
 #include "std.h"
-#ifdef USE_USB_SERIAL
-#include "mcu_periph/usb_serial.h"
-#endif
 #include "mcu_periph/uart.h"
 #include "subsystems/datalink/downlink.h"
 #include "ap_subsystems/datalink/downlink.h"

sw/airborne/subsystems/datalink/downlink.h

@@ -59,7 +59,7 @@
 #if USE_AUDIO_TELEMETRY
 #include "subsystems/datalink/audio_telemetry.h"
 #endif
-#ifdef USE_USB_SERIAL
+#if USE_USB_SERIAL
 #include "mcu_periph/usb_serial.h"
 #endif
 #ifdef USE_UDP