diff --git a/sw/airborne/arch/lpc21/mcu_periph/spi_slave_hs_arch.c b/sw/airborne/arch/lpc21/mcu_periph/spi_slave_hs_arch.c
index 7e46b28357..e0e3aa0d67 100644
--- a/sw/airborne/arch/lpc21/mcu_periph/spi_slave_hs_arch.c
+++ b/sw/airborne/arch/lpc21/mcu_periph/spi_slave_hs_arch.c
@@ -166,7 +166,7 @@ void spi_slave_hs_init(void)
   spi_slave_hs.device.transmit = (transmit_t) spi_slave_hs_transmit;
   spi_slave_hs.device.send_message = (send_message_t) spi_slave_hs_send;
   spi_slave_hs.device.char_available = (char_available_t) spi_slave_hs_char_available;
-  spi_slave_hs.device.getchar = (getchar_t) spi_slave_hs_getch;
+  spi_slave_hs.device.get_char = (get_char_t) spi_slave_hs_getch;
 
 }
 
diff --git a/sw/airborne/arch/lpc21/usb_ser_hw.c b/sw/airborne/arch/lpc21/usb_ser_hw.c
index 318698282c..22a7f56b66 100644
--- a/sw/airborne/arch/lpc21/usb_ser_hw.c
+++ b/sw/airborne/arch/lpc21/usb_ser_hw.c
@@ -621,5 +621,5 @@ void VCOM_init(void)
   usb_serial.device.transmit = (transmit_t) usb_serial_transmit;
   usb_serial.device.send_message = (send_message_t) usb_serial_send;
   usb_serial.device.char_available = (char_available_t) usb_serial_char_available;
-  usb_serial.device.getchar = (getchar_t) usb_serial_getch;
+  usb_serial.device.get_char = (get_char_t) usb_serial_getch;
 }
diff --git a/sw/airborne/arch/stm32/usb_ser_hw.c b/sw/airborne/arch/stm32/usb_ser_hw.c
index 92e9368cba..1c010f688a 100644
--- a/sw/airborne/arch/stm32/usb_ser_hw.c
+++ b/sw/airborne/arch/stm32/usb_ser_hw.c
@@ -531,5 +531,5 @@ void VCOM_init(void)
   usb_serial.device.transmit = (transmit_t) usb_serial_transmit;
   usb_serial.device.send_message = (send_message_t) usb_serial_send;
   usb_serial.device.char_available = (char_available_t) usb_serial_char_available;
-  usb_serial.device.getchar = (getchar_t) usb_serial_getch;
+  usb_serial.device.get_char = (get_char_t) usb_serial_getch;
 }
diff --git a/sw/airborne/firmwares/fixedwing/fbw_datalink.c b/sw/airborne/firmwares/fixedwing/fbw_datalink.c
index d1ab3c9734..f97f038e5e 100644
--- a/sw/airborne/firmwares/fixedwing/fbw_datalink.c
+++ b/sw/airborne/firmwares/fixedwing/fbw_datalink.c
@@ -68,8 +68,8 @@ void fbw_datalink_event(void)
 #endif
 
   while (ModemLinkDevice->char_available(ModemLinkDevice->periph))
-    modem_parse(ModemLinkDevice->getchar(ModemLinkDevice->periph));
+    modem_parse(ModemLinkDevice->get_char(ModemLinkDevice->periph));
 
   while (AutopilotLinkDevice->char_available(AutopilotLinkDevice->periph))
-    autopilot_parse(AutopilotLinkDevice->getchar(AutopilotLinkDevice->periph));
+    autopilot_parse(AutopilotLinkDevice->get_char(AutopilotLinkDevice->periph));
 }
diff --git a/sw/airborne/mcu_periph/link_device.h b/sw/airborne/mcu_periph/link_device.h
index cbfb1f413a..db33874943 100644
--- a/sw/airborne/mcu_periph/link_device.h
+++ b/sw/airborne/mcu_periph/link_device.h
@@ -37,7 +37,7 @@ typedef int (*check_free_space_t)(void *, uint8_t);
 typedef void (*transmit_t)(void *, uint8_t);
 typedef void (*send_message_t)(void *);
 typedef int (*char_available_t)(void *);
-typedef uint8_t (*getchar_t)(void *);
+typedef uint8_t (*get_char_t)(void *);
 
 /** Device structure
  */
@@ -46,7 +46,7 @@ struct link_device {
   transmit_t transmit;                  ///< transmit one byte
   send_message_t send_message;          ///< send completed buffer
   char_available_t char_available;      ///< check if a new character is available
-  getchar_t getchar;                    ///< get a new char
+  get_char_t get_char;                    ///< get a new char
   void *periph;                         ///< pointer to parent implementation
 };
 
diff --git a/sw/airborne/mcu_periph/uart.c b/sw/airborne/mcu_periph/uart.c
index 74d78bd7d0..8408ea6e08 100644
--- a/sw/airborne/mcu_periph/uart.c
+++ b/sw/airborne/mcu_periph/uart.c
@@ -204,7 +204,7 @@ void uart_periph_init(struct uart_periph *p)
   p->device.transmit = (transmit_t)uart_transmit;
   p->device.send_message = (send_message_t)null_function;
   p->device.char_available = (char_available_t)uart_char_available;
-  p->device.getchar = (getchar_t)uart_getch;
+  p->device.get_char = (get_char_t)uart_getch;
 
 #if PERIODIC_TELEMETRY
   // the first to register do it for the others
diff --git a/sw/airborne/mcu_periph/udp.c b/sw/airborne/mcu_periph/udp.c
index 1472826a7b..c6e44a0c04 100644
--- a/sw/airborne/mcu_periph/udp.c
+++ b/sw/airborne/mcu_periph/udp.c
@@ -65,7 +65,7 @@ void udp_periph_init(struct udp_periph *p, char *host, int port_out, int port_in
   p->device.transmit = (transmit_t) udp_transmit;
   p->device.send_message = (send_message_t) udp_send_message;
   p->device.char_available = (char_available_t) udp_char_available;
-  p->device.getchar = (getchar_t) udp_getch;
+  p->device.get_char = (get_char_t) udp_getch;
 
   // Arch dependent initialization
   udp_arch_periph_init(p, host, port_out, port_in, broadcast);
diff --git a/sw/airborne/modules/datalink/mavlink.h b/sw/airborne/modules/datalink/mavlink.h
index cb9a66c791..f9b9d2f5b5 100644
--- a/sw/airborne/modules/datalink/mavlink.h
+++ b/sw/airborne/modules/datalink/mavlink.h
@@ -55,7 +55,7 @@ extern mavlink_system_t mavlink_system;
 #define MAVLinkDev (&(MAVLINK_DEV).device)
 #define MAVLinkTransmit(c) MAVLinkDev->transmit(MAVLinkDev->periph, c)
 #define MAVLinkChAvailable() MAVLinkDev->char_available(MAVLinkDev->periph)
-#define MAVLinkGetch() MAVLinkDev->getchar(MAVLinkDev->periph)
+#define MAVLinkGetch() MAVLinkDev->get_char(MAVLinkDev->periph)
 #define MAVLinkSendMessage() MAVLinkDev->send_message(MAVLinkDev->periph)
 
 /**
diff --git a/sw/airborne/modules/datalink/mavlink_decoder.h b/sw/airborne/modules/datalink/mavlink_decoder.h
index 424c709246..689bd23738 100644
--- a/sw/airborne/modules/datalink/mavlink_decoder.h
+++ b/sw/airborne/modules/datalink/mavlink_decoder.h
@@ -255,7 +255,7 @@ static inline void mavlink_check_and_parse(struct link_device *dev, struct mavli
 {
   if (dev->char_available(dev->periph)) {
     while (dev->char_available(dev->periph) && !trans->trans.msg_received) {
-      parse_mavlink(trans, dev->getchar(dev->periph));
+      parse_mavlink(trans, dev->get_char(dev->periph));
     }
     if (trans->trans.msg_received) {
       mavlink_parse_payload(trans);
diff --git a/sw/airborne/modules/digital_cam/uart_cam_ctrl.c b/sw/airborne/modules/digital_cam/uart_cam_ctrl.c
index 059d5cd0ee..f6d97fd7d0 100644
--- a/sw/airborne/modules/digital_cam/uart_cam_ctrl.c
+++ b/sw/airborne/modules/digital_cam/uart_cam_ctrl.c
@@ -48,7 +48,7 @@
 #define CameraLinkDev (&(CAMERA_LINK).device)
 #define CameraLinkTransmit(c) CameraLinkDev->transmit(CameraLinkDev->periph, c)
 #define CameraLinkChAvailable() CameraLinkDev->check_available(CameraLinkDev->periph)
-#define CameraLinkGetch() CameraLinkGetch->getchar(CameraLinkDev->periph)
+#define CameraLinkGetch() CameraLinkGetch->get_char(CameraLinkDev->periph)
 
 union dc_shot_union dc_shot_msg;
 union mora_status_union mora_status_msg;
diff --git a/sw/airborne/modules/ins/ahrs_chimu_spi.c b/sw/airborne/modules/ins/ahrs_chimu_spi.c
index ab8005a00f..f9a5422c95 100644
--- a/sw/airborne/modules/ins/ahrs_chimu_spi.c
+++ b/sw/airborne/modules/ins/ahrs_chimu_spi.c
@@ -83,7 +83,7 @@ void parse_ins_msg(void)
 {
   struct link_device *dev = InsLinkDevice;
   while (dev->char_available(dev->periph)) {
-    uint8_t ch = dev->getchar(dev->periph);
+    uint8_t ch = dev->get_char(dev->periph);
 
     if (CHIMU_Parse(ch, 0, &CHIMU_DATA)) {
       RunOnceEvery(25, LED_TOGGLE(3));
diff --git a/sw/airborne/modules/ins/ahrs_chimu_uart.c b/sw/airborne/modules/ins/ahrs_chimu_uart.c
index f1bf8261be..86719fde2e 100644
--- a/sw/airborne/modules/ins/ahrs_chimu_uart.c
+++ b/sw/airborne/modules/ins/ahrs_chimu_uart.c
@@ -74,7 +74,7 @@ void parse_ins_msg(void)
 {
   struct link_device *dev = InsLinkDevice;
   while (dev->char_available(dev->periph)) {
-    uint8_t ch = dev->getchar(dev->periph);
+    uint8_t ch = dev->get_char(dev->periph);
 
     if (CHIMU_Parse(ch, 0, &CHIMU_DATA)) {
       if (CHIMU_DATA.m_MsgID == 0x03) {
diff --git a/sw/airborne/modules/ins/ins_module.h b/sw/airborne/modules/ins/ins_module.h
index cbc952d762..a6b86b9756 100644
--- a/sw/airborne/modules/ins/ins_module.h
+++ b/sw/airborne/modules/ins/ins_module.h
@@ -91,7 +91,7 @@ static inline void ins_event_check_and_handle(void (* handler)(void))
   struct link_device *dev = InsLinkDevice;
   if (dev->char_available(dev->periph)) {
     while (dev->char_available(dev->periph) && !ins_msg_received) {
-      parse_ins_buffer(dev->getchar(dev->periph));
+      parse_ins_buffer(dev->get_char(dev->periph));
     }
   }
   if (ins_msg_received) {
diff --git a/sw/airborne/modules/sensors/met_module.h b/sw/airborne/modules/sensors/met_module.h
index 68935abbab..1c5b647d9e 100644
--- a/sw/airborne/modules/sensors/met_module.h
+++ b/sw/airborne/modules/sensors/met_module.h
@@ -40,7 +40,7 @@
 #define MetLinkDevice (&(MET_LINK).device)
 
 #define MetBuffer() MetLinkDevice->char_available(MetLinkDevice->periph)
-#define MetGetch() MetLinkDevice->getchar(MetLinkDevice->periph)
+#define MetGetch() MetLinkDevice->get_char(MetLinkDevice->periph)
 #define ReadMetBuffer() { while (MetBuffer()&&!met_msg_received) parse_met_buffer(MetGetch()); }
 #define MetSend1(c) MetLinkDevice->transmit(MetLinkDevice->periph, c)
 #define MetUartSend1(c) MetSend1(c)
diff --git a/sw/airborne/subsystems/chibios-libopencm3/chibios_sdlog.c b/sw/airborne/subsystems/chibios-libopencm3/chibios_sdlog.c
index 030ac643af..556b7521aa 100644
--- a/sw/airborne/subsystems/chibios-libopencm3/chibios_sdlog.c
+++ b/sw/airborne/subsystems/chibios-libopencm3/chibios_sdlog.c
@@ -88,7 +88,7 @@ bool_t chibios_logInit(const bool_t binaryFile)
   chibios_sdlog.device.transmit = (transmit_t) sdlog_transmit;
   chibios_sdlog.device.send_message = (send_message_t) sdlog_send;
   chibios_sdlog.device.char_available = (char_available_t) null_function; // write only
-  chibios_sdlog.device.getchar = (getchar_t) null_function; // write only
+  chibios_sdlog.device.get_char = (get_char_t) null_function; // write only
 
   if (sdLogInit (NULL) != SDLOG_OK)
     goto error;
diff --git a/sw/airborne/subsystems/datalink/ivy_transport.c b/sw/airborne/subsystems/datalink/ivy_transport.c
index 7b5cefb6ca..a978a7017f 100644
--- a/sw/airborne/subsystems/datalink/ivy_transport.c
+++ b/sw/airborne/subsystems/datalink/ivy_transport.c
@@ -199,6 +199,6 @@ void ivy_transport_init(void)
   ivy_tp.device.transmit = (transmit_t) transmit;
   ivy_tp.device.send_message = (send_message_t) send_message;
   ivy_tp.device.char_available = (char_available_t) null_function;
-  ivy_tp.device.getchar = (getchar_t) null_function;
+  ivy_tp.device.get_char = (get_char_t) null_function;
   ivy_tp.device.periph = (void *)(&ivy_tp);
 }
diff --git a/sw/airborne/subsystems/datalink/pprz_transport.h b/sw/airborne/subsystems/datalink/pprz_transport.h
index 0f53459f0a..7cb9d32757 100644
--- a/sw/airborne/subsystems/datalink/pprz_transport.h
+++ b/sw/airborne/subsystems/datalink/pprz_transport.h
@@ -146,7 +146,7 @@ static inline void pprz_check_and_parse(struct link_device *dev, struct pprz_tra
 {
   if (dev->char_available(dev->periph)) {
     while (dev->char_available(dev->periph) && !trans->trans_rx.msg_received) {
-      parse_pprz(trans, dev->getchar(dev->periph));
+      parse_pprz(trans, dev->get_char(dev->periph));
     }
     if (trans->trans_rx.msg_received) {
       pprz_parse_payload(trans);
diff --git a/sw/airborne/subsystems/datalink/superbitrf.c b/sw/airborne/subsystems/datalink/superbitrf.c
index dd0d48b895..075e41c41a 100644
--- a/sw/airborne/subsystems/datalink/superbitrf.c
+++ b/sw/airborne/subsystems/datalink/superbitrf.c
@@ -246,7 +246,7 @@ void superbitrf_init(void)
   superbitrf.device.transmit = (transmit_t) superbitrf_transmit;
   superbitrf.device.send_message = (send_message_t) superbitrf_send;
   superbitrf.device.char_available = (char_available_t) null_function; // not needed
-  superbitrf.device.getchar = (getchar_t) null_function; // not needed
+  superbitrf.device.get_char = (get_char_t) null_function; // not needed
 
   // Initialize the binding pin
   gpio_setup_input(SPEKTRUM_BIND_PIN_PORT, SPEKTRUM_BIND_PIN);
diff --git a/sw/airborne/subsystems/datalink/w5100.c b/sw/airborne/subsystems/datalink/w5100.c
index d705b5d9fc..d6530b7704 100644
--- a/sw/airborne/subsystems/datalink/w5100.c
+++ b/sw/airborne/subsystems/datalink/w5100.c
@@ -254,7 +254,7 @@ void w5100_init(void)
   chip0.device.transmit = (transmit_t) dev_transmit;
   chip0.device.send_message = (send_message_t) dev_send;
   chip0.device.char_available = (char_available_t) dev_char_available;
-  chip0.device.getchar = (getchar_t) dev_getch;
+  chip0.device.get_char = (get_char_t) dev_getch;
 }
 
 void w5100_transmit(uint8_t data)
diff --git a/sw/airborne/subsystems/datalink/xbee.c b/sw/airborne/subsystems/datalink/xbee.c
index 675938d3c1..2ba4db972b 100644
--- a/sw/airborne/subsystems/datalink/xbee.c
+++ b/sw/airborne/subsystems/datalink/xbee.c
@@ -126,7 +126,7 @@ static uint8_t xbee_text_reply_is_ok(struct link_device *dev)
   int count = 0;
 
   while (dev->char_available(dev->periph)) {
-    char cc = dev->getchar(dev->periph);
+    char cc = dev->get_char(dev->periph);
     if (count < 2) {
       c[count] = cc;
     }
@@ -184,7 +184,7 @@ void xbee_init(void)
 
   // Empty buffer before init process
   while (dev->char_available(dev->periph)) {
-    dev->getchar(dev->periph);
+    dev->get_char(dev->periph);
   }
 
 #ifndef NO_XBEE_API_INIT
diff --git a/sw/airborne/subsystems/datalink/xbee.h b/sw/airborne/subsystems/datalink/xbee.h
index b4bc9f05eb..d4d0b175ff 100644
--- a/sw/airborne/subsystems/datalink/xbee.h
+++ b/sw/airborne/subsystems/datalink/xbee.h
@@ -140,7 +140,7 @@ static inline void xbee_check_and_parse(struct link_device *dev, struct xbee_tra
 {
   if (dev->char_available(dev->periph)) {
     while (dev->char_available(dev->periph) && !trans->trans_rx.msg_received) {
-      parse_xbee(trans, dev->getchar(dev->periph));
+      parse_xbee(trans, dev->get_char(dev->periph));
     }
     if (trans->trans_rx.msg_received) {
       xbee_parse_payload(trans);
diff --git a/sw/airborne/subsystems/gps/gps_mtk.h b/sw/airborne/subsystems/gps/gps_mtk.h
index ff799266a3..c89bc8526f 100644
--- a/sw/airborne/subsystems/gps/gps_mtk.h
+++ b/sw/airborne/subsystems/gps/gps_mtk.h
@@ -75,7 +75,7 @@ static inline void GpsEvent(void (* _sol_available_callback)(void))
 
   if (dev->char_available(dev->periph)) {
     while (dev->char_available(dev->periph) && !gps_mtk.msg_available) {
-      gps_mtk_parse(dev->getchar(dev->periph));
+      gps_mtk_parse(dev->get_char(dev->periph));
     }
     GpsConfigure();
   }
diff --git a/sw/airborne/subsystems/gps/gps_nmea.h b/sw/airborne/subsystems/gps/gps_nmea.h
index 08d2660a7d..d4c91adefb 100644
--- a/sw/airborne/subsystems/gps/gps_nmea.h
+++ b/sw/airborne/subsystems/gps/gps_nmea.h
@@ -69,7 +69,7 @@ static inline void GpsEvent(void (* _sol_available_callback)(void))
 
   if (dev->char_available(dev->periph)) {
     while (dev->char_available(dev->periph)) {
-      nmea_parse_char(dev->getchar(dev->periph));
+      nmea_parse_char(dev->get_char(dev->periph));
     }
   }
   if (gps_nmea.msg_available) {
diff --git a/sw/airborne/subsystems/gps/gps_sirf.h b/sw/airborne/subsystems/gps/gps_sirf.h
index 4cd67b8e02..d30fa9d261 100644
--- a/sw/airborne/subsystems/gps/gps_sirf.h
+++ b/sw/airborne/subsystems/gps/gps_sirf.h
@@ -139,7 +139,7 @@ static inline void GpsEvent(void (* _sol_available_callback)(void))
 
   if (dev->char_available(dev->periph)) {
     while (dev->char_available(dev->periph)) {
-      sirf_parse_char(dev->getchar(dev->periph));
+      sirf_parse_char(dev->get_char(dev->periph));
     }
   }
   if (gps_sirf.msg_available) {
diff --git a/sw/airborne/subsystems/gps/gps_skytraq.h b/sw/airborne/subsystems/gps/gps_skytraq.h
index 0ee2654004..c9331baad8 100644
--- a/sw/airborne/subsystems/gps/gps_skytraq.h
+++ b/sw/airborne/subsystems/gps/gps_skytraq.h
@@ -70,7 +70,7 @@ static inline void GpsEvent(void (* _sol_available_callback)(void))
 
   if (dev->char_available(dev->periph)) {
     while (dev->char_available(dev->periph) && !gps_mtk.msg_available) {
-      gps_skytraq_parse(dev->getchar(dev->periph));
+      gps_skytraq_parse(dev->get_char(dev->periph));
     }
   }
   if (gps_skytraq.msg_available) {
diff --git a/sw/airborne/subsystems/gps/gps_ubx.h b/sw/airborne/subsystems/gps/gps_ubx.h
index f3637b6087..b55abd1622 100644
--- a/sw/airborne/subsystems/gps/gps_ubx.h
+++ b/sw/airborne/subsystems/gps/gps_ubx.h
@@ -104,7 +104,7 @@ static inline void GpsEvent(void (* _sol_available_callback)(void))
 
   if (dev->char_available(dev->periph)) {
     while (dev->char_available(dev->periph) && !gps_ubx.msg_available) {
-      gps_ubx_parse(dev->getchar(dev->periph));
+      gps_ubx_parse(dev->get_char(dev->periph));
     }
   }
   if (gps_ubx.msg_available) {