diff --git a/libraries/FreeRTOS/src/FreeRTOSConfig.h b/libraries/FreeRTOS/src/FreeRTOSConfig.h
index 3d914b5..980fb77 100644
--- a/libraries/FreeRTOS/src/FreeRTOSConfig.h
+++ b/libraries/FreeRTOS/src/FreeRTOSConfig.h
@@ -26,8 +26,8 @@ extern "C" {
  * See https://www.freertos.org/a00110.html.
  *----------------------------------------------------------*/
 
-#define configMTIME_BASE_ADDRESS            SCR1_TIMER_BASE_ADDRESS//((uintptr_t)&SCR1_TIMER->MTIME)
-#define configMTIMECMP_BASE_ADDRESS         SCR1_TIMER_BASE_ADDRESS//((uintptr_t)&SCR1_TIMER->MTIMECMP)
+#define configMTIME_BASE_ADDRESS            (SCR1_TIMER_BASE_ADDRESS + 0x8)     // from scr1 core docs
+#define configMTIMECMP_BASE_ADDRESS         (SCR1_TIMER_BASE_ADDRESS + 0x10)    // from scr1 core docs
 
 /* Delay definition - here, the user can choose which delay implementation is required.
  * The default is to change nothing. */
@@ -36,7 +36,7 @@ extern "C" {
 #define configUSE_PREEMPTION                1
 
 #define configCPU_CLOCK_HZ                  ( ( uint32_t ) F_CPU )          // This F_CPU variable set by the environment
-#define configTICK_RATE_HZ             		( ( TickType_t ) 1000 )
+#define configTICK_RATE_HZ             		( ( TickType_t ) 100 )
 #define configUSE_16_BIT_TICKS             	0
 
 #define configMAX_PRIORITIES                4
@@ -48,7 +48,7 @@ extern "C" {
 #define configSTACK_DEPTH_TYPE              uint16_t
 
 #define configMINIMAL_STACK_SIZE            192
-#define configISR_STACK_SIZE_WORDS          64 // todo сколько надо?
+#define configISR_STACK_SIZE_WORDS          128 // todo сколько надо?
 #define configCHECK_FOR_STACK_OVERFLOW      1
 #define configUSE_TRACE_FACILITY            0
 
diff --git a/libraries/FreeRTOS/src/port.c b/libraries/FreeRTOS/src/port.c
index 621aca8..e82e804 100644
--- a/libraries/FreeRTOS/src/port.c
+++ b/libraries/FreeRTOS/src/port.c
@@ -124,7 +124,6 @@ size_t xTaskReturnAddress = ( size_t ) portTASK_RETURN_ADDRESS;
 #endif /* configCHECK_FOR_STACK_OVERFLOW > 2 */
 
 /*-----------------------------------------------------------*/
-
 #if ( configMTIME_BASE_ADDRESS != 0 ) && ( configMTIMECMP_BASE_ADDRESS != 0 )
 
     void vPortSetupTimerInterrupt( void )
@@ -132,11 +131,8 @@ size_t xTaskReturnAddress = ( size_t ) portTASK_RETURN_ADDRESS;
         uint32_t ulCurrentTimeHigh, ulCurrentTimeLow;
         volatile uint32_t * const pulTimeHigh = ( volatile uint32_t * const ) ( ( configMTIME_BASE_ADDRESS ) + 4UL ); /* 8-byte type so high 32-bit word is 4 bytes up. */
         volatile uint32_t * const pulTimeLow = ( volatile uint32_t * const ) ( configMTIME_BASE_ADDRESS );
-        volatile uint32_t ulHartId;
 
-        __asm volatile ( "csrr %0, mhartid" : "=r" ( ulHartId ) );
-
-        pullMachineTimerCompareRegister = ( volatile uint64_t * ) ( ullMachineTimerCompareRegisterBase + ( ulHartId * sizeof( uint64_t ) ) );
+        pullMachineTimerCompareRegister = ( volatile uint64_t * ) ( ullMachineTimerCompareRegisterBase );
 
         do
         {
diff --git a/libraries/FreeRTOS/src/portmacro.h b/libraries/FreeRTOS/src/portmacro.h
index 2421307..7e56bdc 100644
--- a/libraries/FreeRTOS/src/portmacro.h
+++ b/libraries/FreeRTOS/src/portmacro.h
@@ -81,7 +81,6 @@ typedef portUBASE_TYPE   TickType_t;
 
 /* Architecture specifics. */
 #define portSTACK_GROWTH          ( -1 )
-// todo так оставить?
 #define portTICK_PERIOD_MS        ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
 #ifdef __riscv_32e
     #define portBYTE_ALIGNMENT    8     /* RV32E uses RISC-V EABI with reduced stack alignment requirements */