diff --git a/Utilities/openocd_rtt.sh b/Utilities/openocd_rtt.sh
new file mode 100755
index 00000000..982df3b8
--- /dev/null
+++ b/Utilities/openocd_rtt.sh
@@ -0,0 +1,8 @@
+RTT_ADDR=$(arm-none-eabi-nm build/${1}/tintin_fw.elf | grep '_SEGGER_RTT' | cut -d " " -f1)
+openocd -f interface/jlink.cfg -c "transport select swd" -f target/nrf52.cfg \
+-c "proc rtt_init {} {rtt setup 0x${RTT_ADDR} 2048 \"SEGGER RTT\";\
+    rtt start;\
+    rtt server start 9090 0;}" \
+-c "proc rtt_reset {} {rtt server stop 9090;\
+    rtt stop;\
+    rtt_init;}"
\ No newline at end of file
diff --git a/hw/chip/nrf52840/debug.c b/hw/chip/nrf52840/debug.c
index 3591396f..9a8fa9e9 100644
--- a/hw/chip/nrf52840/debug.c
+++ b/hw/chip/nrf52840/debug.c
@@ -8,20 +8,12 @@
 #include <debug.h>
 #include "rebbleos.h"
 #include "nrf_delay.h"
-#include "nrfx_uart.h"
 #include "board_config.h"
 
 void delay_us(int us) {
     nrf_delay_us(us);
 }
 
-/* We use UART, instead of UARTE, because we could be writing from flash,
- * which would cause the EasyDMA engine to lock up, and that would be bad. 
- * So we just take the performance hit and run a UART engine in PIO mode. 
- * So it goes.  */
-
-static nrfx_uart_t debug_uart = NRFX_UART_INSTANCE(0);
-
 __attribute__((naked)) uint32_t get_msp()
 {
     asm volatile(
@@ -30,8 +22,28 @@ __attribute__((naked)) uint32_t get_msp()
     );
 }
 
+#ifdef NRF_DEBUG_SEGGER_RTT
+#include "SEGGER_RTT.h"
+void debug_init() {
+    SEGGER_RTT_Init();
+}
+
+void debug_write(const unsigned char *p, size_t len) {
+    SEGGER_RTT_Write(0, p, len);
+}
+
+#else
+
+#include "nrfx_uart.h"
+
 static int _did_init = 0;
 
+/* We use UART, instead of UARTE, because we could be writing from flash,
+ * which would cause the EasyDMA engine to lock up, and that would be bad. 
+ * So we just take the performance hit and run a UART engine in PIO mode. 
+ * So it goes.  */
+
+static nrfx_uart_t debug_uart = NRFX_UART_INSTANCE(0);
 void debug_init() {
     nrfx_err_t err;
     
@@ -66,6 +78,8 @@ void debug_write(const unsigned char *p, size_t len) {
     }
 }
 
+#endif
+
 void ss_debug_write(const unsigned char *p, size_t len)
 {
     // unsupported on this platform
diff --git a/hw/platform/asterix/board_config.h b/hw/platform/asterix/board_config.h
index f473b0c9..2d769340 100644
--- a/hw/platform/asterix/board_config.h
+++ b/hw/platform/asterix/board_config.h
@@ -83,6 +83,8 @@
 
 #define BOARD_DISPLAY_ROT180
 
+#define NRF_DEBUG_SEGGER_RTT
+
 #else
 
 #error unknown Asterix board
diff --git a/hw/platform/asterix/config.mk b/hw/platform/asterix/config.mk
index 73436aa0..6e662d62 100644
--- a/hw/platform/asterix/config.mk
+++ b/hw/platform/asterix/config.mk
@@ -47,6 +47,9 @@ PLATFORMS += asterix_vla_dvb1
 CFLAGS_asterix_vla_dvb2 = $(CFLAGS_asterix_common)
 CFLAGS_asterix_vla_dvb2 += $(CFLAGS_driver_nrf52_ls013b7dh05)
 SRCS_asterix_vla_dvb2 = $(SRCS_asterix_common)
+SRCS_asterix_vla_dvb2 += external/segger_rtt/SEGGER_RTT_Syscalls_GCC.c
+SRCS_asterix_vla_dvb2 += external/segger_rtt/SEGGER_RTT.c
+SRCS_asterix_vla_dvb2 += external/segger_rtt/SEGGER_RTT_printf.c
 SRCS_asterix_vla_dvb2 += $(SRCS_driver_nrf52_ls013b7dh05)
 LDFLAGS_asterix_vla_dvb2 = $(LDFLAGS_asterix_common)
 LIBS_asterix_vla_dvb2 = $(LIBS_asterix_common)