diff --git a/MainModesArbiter.c b/MainModesArbiter.c
index 362d0b2..b82aaae 100644
--- a/MainModesArbiter.c
+++ b/MainModesArbiter.c
@@ -3,6 +3,7 @@
 //
 #include "MainModesArbiter_Private.h"
 #include "stdio.h"
+#include "fc7xxx_driver_rgm.h"
 
 void Mma_Init(
         tMma *env,
@@ -42,12 +43,26 @@ static _Noreturn void Mma_Thread(tMma *env) {
     int16_t temp1 = 0;
     int16_t temp2 = 0;
 
+    if (RGM_SRS_WAKEUP_MASK == (RGM->SRS & RGM_SRS_WAKEUP_MASK)) {
+        LoggerInfoStatic(&env->slog.logger, LOG_TASK_ARB, "Wake up from standby")
+    }
+
     for (;;) {
 
-        SystemDelayMs(1000);
         LoggerInfoStatic(&env->slog.logger, LOG_TASK_ARB, "Zorro...")
         printf("Test Test Test Test Test Test Test Test Test Test XA XA ...\n");
 
+        GpioPinToggle(&env->gpios->led.LED1);
+
+        SystemDelayMs(500);
+
+/*
+        if (RGM_SRS_WAKEUP_MASK == (RGM->SRS & RGM_SRS_WAKEUP_MASK)) {
+        } else {
+            SMC_SetSystemMode(SMC_MODE_STANBY_3);
+        }
+*/
+
 /*
         if (osMutexAcquire(env->adcTask0.access, 1000) == osOK) {
             temp1 = get_temperature_fast(env->adcTask0.ADC_Data[0], fast_lookup_Incar, 512);
diff --git a/MainModesArbiter.h b/MainModesArbiter.h
index 377ffd6..ded126b 100644
--- a/MainModesArbiter.h
+++ b/MainModesArbiter.h
@@ -24,6 +24,7 @@
 #include "Lins.h"
 #include "LinTasks.h"
 #include "AdcTasks.h"
+#include "standby.h"
 
 
 
@@ -57,6 +58,8 @@ typedef struct {
     tAdcTask adcTask0;
     tAdcTask adcTask1;
 
+    tStandBy standBy;
+
     struct {
         osThreadId_t id;
         uint32_t stack[1024 * 1];
diff --git a/MainModesArbiter_InitStage.c b/MainModesArbiter_InitStage.c
index 310cdd9..c79fa83 100644
--- a/MainModesArbiter_InitStage.c
+++ b/MainModesArbiter_InitStage.c
@@ -89,6 +89,7 @@ static void Mma_InitSubSystems(tMma *env) {
     Adc_1_Init(&env->adcTask1, &env->adcs->adc_1_IO);
     Adc_1_StartThread(&env->adcTask1);
 
+    StandBy_Init(&env->standBy);
 
     LoggerInfoStatic(&env->slog.logger, LOG_TASK_MAIN, "End of subsystem initialization")