diff --git a/src/Makefile b/src/Makefile
index b215cd547..3a5db774b 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -502,6 +502,8 @@ ifeq ($(PCB), X9D)
   SRC += x9d/STM32F2xx_StdPeriph_Lib_V1.1.0/Libraries/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_gpio.c
   SRC += x9d/STM32F2xx_StdPeriph_Lib_V1.1.0/Libraries/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_rcc.c
   SRC += x9d/STM32F2xx_StdPeriph_Lib_V1.1.0/Libraries/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_spi.c
+  SRC += x9d/STM32F2xx_StdPeriph_Lib_V1.1.0/Libraries/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_rtc.c
+  SRC += x9d/STM32F2xx_StdPeriph_Lib_V1.1.0/Libraries/STM32F2xx_StdPeriph_Driver/src/stm32f2xx_pwr.c
   SRC += x9d/STM32F2xx_StdPeriph_Lib_V1.1.0/Libraries/CMSIS/Device/ST/STM32F2xx/Source/Templates/gcc_ride7/startup_stm32f2xx.s
   
   ifeq ($(SDCARD), YES)
diff --git a/src/x9d/board_x9d.h b/src/x9d/board_x9d.h
index 4a84c6bf3..69e7b0db5 100644
--- a/src/x9d/board_x9d.h
+++ b/src/x9d/board_x9d.h
@@ -39,6 +39,8 @@
 #include "./STM32F2xx_StdPeriph_Lib_V1.1.0/Libraries/STM32F2xx_StdPeriph_Driver/inc/stm32f2xx_rcc.h"
 #include "./STM32F2xx_StdPeriph_Lib_V1.1.0/Libraries/STM32F2xx_StdPeriph_Driver/inc/stm32f2xx_gpio.h"
 #include "./STM32F2xx_StdPeriph_Lib_V1.1.0/Libraries/STM32F2xx_StdPeriph_Driver/inc/stm32f2xx_spi.h"
+#include "./STM32F2xx_StdPeriph_Lib_V1.1.0/Libraries/STM32F2xx_StdPeriph_Driver/inc/stm32f2xx_rtc.h"
+#include "./STM32F2xx_StdPeriph_Lib_V1.1.0/Libraries/STM32F2xx_StdPeriph_Driver/inc/stm32f2xx_pwr.h"
 #include "./STM32F2xx_StdPeriph_Lib_V1.1.0/Libraries/CMSIS/Device/ST/STM32F2xx/Include/stm32f2xx.h"
 
 #include "hal.h"
diff --git a/src/x9d/rtc_driver.cpp b/src/x9d/rtc_driver.cpp
index 2a6561a67..3c40b9a2f 100644
--- a/src/x9d/rtc_driver.cpp
+++ b/src/x9d/rtc_driver.cpp
@@ -33,11 +33,51 @@
 
 #include "../open9x.h"
 
-
 void rtc_settime(struct gtm * t)
 {
+	RTC_TimeTypeDef RTC_TimeStruct;
+	RTC_DateTypeDef RTC_DateStruct;
+	
+	RTC_TimeStruct.RTC_Hours = t->tm_hour;
+	RTC_TimeStruct.RTC_Minutes = t->tm_min;
+	RTC_TimeStruct.RTC_Seconds = t->tm_sec;
+	RTC_DateStruct.RTC_Year = t->tm_year - 100;
+	RTC_DateStruct.RTC_Month = t->tm_mon;
+	RTC_DateStruct.RTC_Date = t->tm_mday;
+	
+	RTC_SetTime(RTC_Format_BIN, &RTC_TimeStruct);
+	RTC_SetDate(RTC_Format_BIN, &RTC_DateStruct);
+}
+
+void rtc_gettime(struct gtm * t)
+{
+	RTC_TimeTypeDef RTC_TimeStruct;
+	RTC_DateTypeDef RTC_DateStruct;
+	
+	RTC_GetTime(RTC_Format_BIN, &RTC_TimeStruct);
+	RTC_GetDate(RTC_Format_BIN, &RTC_DateStruct);
+	
+	t->tm_hour = RTC_TimeStruct.RTC_Hours;
+	t->tm_min  = RTC_TimeStruct.RTC_Minutes;
+	t->tm_sec  = RTC_TimeStruct.RTC_Seconds;
+	t->tm_year = RTC_DateStruct.RTC_Year;
+	t->tm_mon  = RTC_DateStruct.RTC_Month;
+	t->tm_mday = RTC_DateStruct.RTC_Date;
 }
 
 void rtc_init()
 {
+	RTC_InitTypeDef RTC_InitStruct;
+	
+	RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
+	PWR_BackupAccessCmd(ENABLE);
+	
+	RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI);
+	RCC_RTCCLKCmd(ENABLE);
+	
+	RTC_InitStruct.RTC_HourFormat = RTC_HourFormat_24;
+	RTC_InitStruct.RTC_AsynchPrediv = 128;
+	RTC_InitStruct.RTC_SynchPrediv = 256;
+	
+	RTC_Init(&RTC_InitStruct);
 }