diff --git a/Core/Inc/shorttimer.h b/Core/Inc/shorttimer.h
new file mode 100644
index 0000000..9700bf3
--- /dev/null
+++ b/Core/Inc/shorttimer.h
@@ -0,0 +1,28 @@
+#ifndef INC_SHORTTIMER_H
+#define INC_SHORTTIMER_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Timer with an arbitrary period.
+ *
+ * shorttimer_callback() must be called in HAL_TIM_PeriodElapsedCallback.
+ */
+
+#include "stm32h7xx_hal.h"
+
+#include <stdint.h>
+
+void shorttimer_init(TIM_HandleTypeDef *handle);
+
+uint32_t shorttimer_gettick(void);
+void shorttimer_sleep(uint32_t microseconds);
+void shorttimer_callback(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // INC_SHORTTIMER_H
diff --git a/Core/Inc/stm32h7xx_it.h b/Core/Inc/stm32h7xx_it.h
index c1e0dbd..94da4e5 100644
--- a/Core/Inc/stm32h7xx_it.h
+++ b/Core/Inc/stm32h7xx_it.h
@@ -59,6 +59,7 @@ void FDCAN1_IT1_IRQHandler(void);
 void EXTI9_5_IRQHandler(void);
 void TIM6_DAC_IRQHandler(void);
 void LTDC_IRQHandler(void);
+void TIM17_IRQHandler(void);
 /* USER CODE BEGIN EFP */
 
 /* USER CODE END EFP */
diff --git a/Core/Src/hx8357d.c b/Core/Src/hx8357d.c
index d980346..ae1d00c 100644
--- a/Core/Src/hx8357d.c
+++ b/Core/Src/hx8357d.c
@@ -1,6 +1,7 @@
 #include "hx8357d.h"
 
 #include "main.h"
+#include "shorttimer.h"
 
 void HX8357D_WriteData(uint8_t *data, size_t data_len) {
   for (size_t byte = 0; byte < data_len; byte++) {
@@ -9,9 +10,9 @@ void HX8357D_WriteData(uint8_t *data, size_t data_len) {
           ((data[byte] >> (7 - bit)) & 1) ? GPIO_PIN_SET : GPIO_PIN_RESET;
       HAL_GPIO_WritePin(DISPSPI_SCL_GPIO_Port, DISPSPI_SCL_Pin, GPIO_PIN_RESET);
       HAL_GPIO_WritePin(DISPSPI_SDA_GPIO_Port, DISPSPI_SDA_Pin, state);
-      HAL_Delay(1);
+      shorttimer_sleep(1);
       HAL_GPIO_WritePin(DISPSPI_SCL_GPIO_Port, DISPSPI_SCL_Pin, GPIO_PIN_SET);
-      HAL_Delay(1);
+      shorttimer_sleep(1);
     }
   }
 }
@@ -19,11 +20,11 @@ void HX8357D_WriteData(uint8_t *data, size_t data_len) {
 void HX8357D_WriteReg(uint8_t addr, uint8_t *data, size_t data_len) {
   HAL_GPIO_WritePin(DISPSPI_CSX_GPIO_Port, DISPSPI_CSX_Pin, GPIO_PIN_RESET);
   HAL_GPIO_WritePin(DISPSPI_DCX_GPIO_Port, DISPSPI_DCX_Pin, GPIO_PIN_RESET);
-  HAL_Delay(1);
+  shorttimer_sleep(1);
 
   HX8357D_WriteData(&addr, 1);
   HAL_GPIO_WritePin(DISPSPI_DCX_GPIO_Port, DISPSPI_DCX_Pin, GPIO_PIN_SET);
-  HAL_Delay(1);
+  shorttimer_sleep(1);
 
   if (data_len > 0) {
     HX8357D_WriteData(data, data_len);
diff --git a/Core/Src/main.c b/Core/Src/main.c
index 272486a..2726d01 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -26,6 +26,8 @@
 #include "ft_logo_orange_rgb565.h"
 #include "ft_logo_rainbow_rgb565.h"
 #include "hx8357d.h"
+#include "shorttimer.h"
+
 #include <stdint.h>
 
 /* USER CODE END Includes */
@@ -63,8 +65,10 @@ SPI_HandleTypeDef hspi3;
 TIM_HandleTypeDef htim1;
 TIM_HandleTypeDef htim2;
 TIM_HandleTypeDef htim4;
+TIM_HandleTypeDef htim17;
 
 /* USER CODE BEGIN PV */
+TIM_HandleTypeDef *htim_us = &htim17;
 volatile int ltdc_cb_triggered;
 /* USER CODE END PV */
 
@@ -81,6 +85,7 @@ static void MX_TIM1_Init(void);
 static void MX_TIM2_Init(void);
 static void MX_TIM4_Init(void);
 static void MX_CRC_Init(void);
+static void MX_TIM17_Init(void);
 /* USER CODE BEGIN PFP */
 
 /* USER CODE END PFP */
@@ -128,14 +133,17 @@ int main(void) {
   MX_TIM2_Init();
   MX_TIM4_Init();
   MX_CRC_Init();
+  MX_TIM17_Init();
   /* Call PreOsInit function */
   MX_TouchGFX_PreOSInit();
   /* USER CODE BEGIN 2 */
   if (HAL_TIM_PWM_Start(&htim2, TIM_CHANNEL_4) != HAL_OK) {
     Error_Handler();
   }
+  shorttimer_init(htim_us);
 
   HX8357D_Init();
+
   HX8357D_Mode_RGB666();
   /* USER CODE END 2 */
 
@@ -678,6 +686,35 @@ static void MX_TIM4_Init(void) {
   HAL_TIM_MspPostInit(&htim4);
 }
 
+/**
+ * @brief TIM17 Initialization Function
+ * @param None
+ * @retval None
+ */
+static void MX_TIM17_Init(void) {
+
+  /* USER CODE BEGIN TIM17_Init 0 */
+
+  /* USER CODE END TIM17_Init 0 */
+
+  /* USER CODE BEGIN TIM17_Init 1 */
+
+  /* USER CODE END TIM17_Init 1 */
+  htim17.Instance = TIM17;
+  htim17.Init.Prescaler = 16 - 1;
+  htim17.Init.CounterMode = TIM_COUNTERMODE_UP;
+  htim17.Init.Period = 1000 - 1;
+  htim17.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
+  htim17.Init.RepetitionCounter = 0;
+  htim17.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
+  if (HAL_TIM_Base_Init(&htim17) != HAL_OK) {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN TIM17_Init 2 */
+
+  /* USER CODE END TIM17_Init 2 */
+}
+
 /**
  * @brief GPIO Initialization Function
  * @param None
@@ -772,7 +809,10 @@ static void MX_GPIO_Init(void) {
 }
 
 /* USER CODE BEGIN 4 */
-
+// Ugly hack to ensure HAL_TIM_PeriodElapsedCallback() is called
+#ifdef __cplusplus
+extern "C" {
+#endif
 /* USER CODE END 4 */
 
 /**
@@ -791,7 +831,9 @@ void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim) {
     HAL_IncTick();
   }
   /* USER CODE BEGIN Callback 1 */
-
+  if (htim->Instance == htim_us->Instance) {
+    shorttimer_callback();
+  }
   /* USER CODE END Callback 1 */
 }
 
@@ -805,6 +847,13 @@ void Error_Handler(void) {
   __disable_irq();
   while (1) {
   }
+  // Ugly hack to ensure HAL_TIM_PeriodElapsedCallback() is called
+}
+#ifdef __cplusplus
+}
+#endif
+void _damnyoucubemx() {
+  ;
   /* USER CODE END Error_Handler_Debug */
 }
 
diff --git a/Core/Src/shorttimer.c b/Core/Src/shorttimer.c
new file mode 100644
index 0000000..a914f35
--- /dev/null
+++ b/Core/Src/shorttimer.c
@@ -0,0 +1,29 @@
+#include "shorttimer.h"
+
+#include "stm32h7xx_hal.h"
+#include "stm32h7xx_hal_tim.h"
+#include <stdint.h>
+
+static TIM_HandleTypeDef *htim;
+static uint32_t ticks;
+
+void shorttimer_init(TIM_HandleTypeDef *handle) {
+  htim = handle;
+  ticks = 0;
+  HAL_TIM_Base_Start_IT(htim);
+}
+
+uint32_t shorttimer_gettick(void) { return ticks; }
+
+void shorttimer_sleep(uint32_t microseconds) {
+  volatile uint32_t start = shorttimer_gettick();
+  // Add another tick to guarantee a minimum wait
+  if (microseconds < UINT32_MAX) {
+    microseconds++;
+  }
+
+  while (shorttimer_gettick() - start < microseconds) {
+  }
+}
+
+void shorttimer_callback() { ticks++; }
diff --git a/Core/Src/stm32h7xx_hal_msp.c b/Core/Src/stm32h7xx_hal_msp.c
index 7590378..abb3409 100644
--- a/Core/Src/stm32h7xx_hal_msp.c
+++ b/Core/Src/stm32h7xx_hal_msp.c
@@ -714,6 +714,20 @@ void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base)
 
   /* USER CODE END TIM2_MspInit 1 */
   }
+  else if(htim_base->Instance==TIM17)
+  {
+  /* USER CODE BEGIN TIM17_MspInit 0 */
+
+  /* USER CODE END TIM17_MspInit 0 */
+    /* Peripheral clock enable */
+    __HAL_RCC_TIM17_CLK_ENABLE();
+    /* TIM17 interrupt Init */
+    HAL_NVIC_SetPriority(TIM17_IRQn, 0, 0);
+    HAL_NVIC_EnableIRQ(TIM17_IRQn);
+  /* USER CODE BEGIN TIM17_MspInit 1 */
+
+  /* USER CODE END TIM17_MspInit 1 */
+  }
 
 }
 
@@ -839,6 +853,20 @@ void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* htim_base)
 
   /* USER CODE END TIM2_MspDeInit 1 */
   }
+  else if(htim_base->Instance==TIM17)
+  {
+  /* USER CODE BEGIN TIM17_MspDeInit 0 */
+
+  /* USER CODE END TIM17_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_TIM17_CLK_DISABLE();
+
+    /* TIM17 interrupt DeInit */
+    HAL_NVIC_DisableIRQ(TIM17_IRQn);
+  /* USER CODE BEGIN TIM17_MspDeInit 1 */
+
+  /* USER CODE END TIM17_MspDeInit 1 */
+  }
 
 }
 
diff --git a/Core/Src/stm32h7xx_it.c b/Core/Src/stm32h7xx_it.c
index b290ffc..83d2ec7 100644
--- a/Core/Src/stm32h7xx_it.c
+++ b/Core/Src/stm32h7xx_it.c
@@ -57,6 +57,7 @@
 /* External variables --------------------------------------------------------*/
 extern FDCAN_HandleTypeDef hfdcan1;
 extern LTDC_HandleTypeDef hltdc;
+extern TIM_HandleTypeDef htim17;
 extern TIM_HandleTypeDef htim6;
 
 /* USER CODE BEGIN EV */
@@ -260,6 +261,20 @@ void LTDC_IRQHandler(void)
   /* USER CODE END LTDC_IRQn 1 */
 }
 
+/**
+  * @brief This function handles TIM17 global interrupt.
+  */
+void TIM17_IRQHandler(void)
+{
+  /* USER CODE BEGIN TIM17_IRQn 0 */
+
+  /* USER CODE END TIM17_IRQn 0 */
+  HAL_TIM_IRQHandler(&htim17);
+  /* USER CODE BEGIN TIM17_IRQn 1 */
+
+  /* USER CODE END TIM17_IRQn 1 */
+}
+
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */
diff --git a/Makefile b/Makefile
index 827e5f7..3a495e7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 ##########################################################################################################################
-# File automatically-generated by tool: [projectgenerator] version: [3.19.2] date: [Thu Mar 16 22:32:27 CET 2023] 
+# File automatically-generated by tool: [projectgenerator] version: [3.19.2] date: [Fri Mar 17 17:47:57 CET 2023] 
 ##########################################################################################################################
 
 # ------------------------------------------------
diff --git a/STM32Make.make b/STM32Make.make
index 760c9bf..1290f51 100644
--- a/STM32Make.make
+++ b/STM32Make.make
@@ -41,6 +41,7 @@ Core/Lib/FT_CAN_AL/FT_CAN_AL.c \
 Core/Src/app.c \
 Core/Src/app_threadx.c \
 Core/Src/hx8357d.c \
+Core/Src/shorttimer.c \
 Core/Src/stm32h7xx_hal_msp.c \
 Core/Src/stm32h7xx_hal_timebase_tim.c \
 Core/Src/stm32h7xx_it.c \
diff --git a/steering-wheel.ioc b/steering-wheel.ioc
index e0b19c5..26945c7 100644
--- a/steering-wheel.ioc
+++ b/steering-wheel.ioc
@@ -48,6 +48,7 @@ Mcu.IP11=SYS
 Mcu.IP12=TIM1
 Mcu.IP13=TIM2
 Mcu.IP14=TIM4
+Mcu.IP15=TIM17
 Mcu.IP2=DEBUG
 Mcu.IP3=DMA2D
 Mcu.IP4=FDCAN1
@@ -56,7 +57,7 @@ Mcu.IP6=LTDC
 Mcu.IP7=NVIC
 Mcu.IP8=OCTOSPI1
 Mcu.IP9=RCC
-Mcu.IPNb=15
+Mcu.IPNb=16
 Mcu.Name=STM32H7A3Z(G-I)Tx
 Mcu.Package=LQFP144
 Mcu.Pin0=PE2
@@ -129,11 +130,12 @@ Mcu.Pin69=VP_SYS_VS_tim6
 Mcu.Pin7=PF2
 Mcu.Pin70=VP_TIM1_VS_ClockSourceINT
 Mcu.Pin71=VP_TIM2_VS_ClockSourceINT
-Mcu.Pin72=VP_STMicroelectronics.X-CUBE-TOUCHGFX_VS_GraphicsJjApplication_4.21.2
-Mcu.Pin73=VP_STMicroelectronics.X-CUBE-AZRTOS-H7_VS_RTOSJjThreadX_6.1.12_3.0.0
+Mcu.Pin72=VP_TIM17_VS_ClockSourceINT
+Mcu.Pin73=VP_STMicroelectronics.X-CUBE-TOUCHGFX_VS_GraphicsJjApplication_4.21.2
+Mcu.Pin74=VP_STMicroelectronics.X-CUBE-AZRTOS-H7_VS_RTOSJjThreadX_6.1.12_3.0.0
 Mcu.Pin8=PF3
 Mcu.Pin9=PF4
-Mcu.PinsNb=74
+Mcu.PinsNb=75
 Mcu.ThirdParty0=STMicroelectronics.X-CUBE-AZRTOS-H7.3.0.0
 Mcu.ThirdParty1=STMicroelectronics.X-CUBE-TOUCHGFX.4.21.2
 Mcu.ThirdPartyNb=2
@@ -161,6 +163,7 @@ NVIC.SavedPendsvIrqHandlerGenerated=true
 NVIC.SavedSvcallIrqHandlerGenerated=true
 NVIC.SavedSystickIrqHandlerGenerated=true
 NVIC.SysTick_IRQn=true\:0\:0\:false\:false\:false\:false\:false\:true\:false
+NVIC.TIM17_IRQn=true\:0\:0\:false\:false\:true\:false\:true\:true\:true
 NVIC.TIM6_DAC_IRQn=true\:15\:0\:false\:false\:true\:false\:false\:true\:true
 NVIC.TimeBase=TIM6_DAC_IRQn
 NVIC.TimeBaseIP=TIM6
@@ -420,7 +423,7 @@ ProjectManager.StackSize=0x400
 ProjectManager.TargetToolchain=Makefile
 ProjectManager.ToolChainLocation=
 ProjectManager.UnderRoot=false
-ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_DMA2D_Init-DMA2D-false-HAL-true,4-MX_FDCAN1_Init-FDCAN1-false-HAL-true,5-MX_LTDC_Init-LTDC-false-HAL-true,6-MX_JPEG_Init-JPEG-false-HAL-true,7-MX_OCTOSPI1_Init-OCTOSPI1-false-HAL-true,8-MX_SPI3_Init-SPI3-false-HAL-true,9-MX_TIM1_Init-TIM1-false-HAL-true,10-MX_TIM2_Init-TIM2-false-HAL-true,11-MX_TIM4_Init-TIM4-false-HAL-true,12-MX_CRC_Init-CRC-false-HAL-true,14-MX_TouchGFX_Init-STMicroelectronics.X-CUBE-TOUCHGFX.4.21.2-false-HAL-false,15-MX_TouchGFX_Process-STMicroelectronics.X-CUBE-TOUCHGFX.4.21.2-false-HAL-false,0-MX_CORTEX_M7_Init-CORTEX_M7-false-HAL-true
+ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_DMA2D_Init-DMA2D-false-HAL-true,4-MX_FDCAN1_Init-FDCAN1-false-HAL-true,5-MX_LTDC_Init-LTDC-false-HAL-true,6-MX_JPEG_Init-JPEG-false-HAL-true,7-MX_OCTOSPI1_Init-OCTOSPI1-false-HAL-true,8-MX_SPI3_Init-SPI3-false-HAL-true,9-MX_TIM1_Init-TIM1-false-HAL-true,10-MX_TIM2_Init-TIM2-false-HAL-true,11-MX_TIM4_Init-TIM4-false-HAL-true,12-MX_CRC_Init-CRC-false-HAL-true,13-MX_TouchGFX_Init-STMicroelectronics.X-CUBE-TOUCHGFX.4.21.2-false-HAL-false,14-MX_TouchGFX_Process-STMicroelectronics.X-CUBE-TOUCHGFX.4.21.2-false-HAL-false,0-MX_CORTEX_M7_Init-CORTEX_M7-false-HAL-true
 RCC.ADCFreq_Value=24000000
 RCC.AHB12Freq_Value=160000000
 RCC.AHB4Freq_Value=160000000
@@ -558,6 +561,9 @@ TIM1.Channel-PWM\ Generation1\ CH1=TIM_CHANNEL_1
 TIM1.Channel-PWM\ Generation2\ CH2=TIM_CHANNEL_2
 TIM1.Channel-PWM\ Generation3\ CH3=TIM_CHANNEL_3
 TIM1.IPParameters=Channel-PWM Generation1 CH1,Channel-PWM Generation2 CH2,Channel-PWM Generation3 CH3
+TIM17.IPParameters=Prescaler,Period
+TIM17.Period=1000-1
+TIM17.Prescaler=16-1
 TIM2.Channel-PWM\ Generation4\ CH4=TIM_CHANNEL_4
 TIM2.IPParameters=Channel-PWM Generation4 CH4,Prescaler,Period,Pulse-PWM Generation4 CH4,OCPolarity_4
 TIM2.OCPolarity_4=TIM_OCPOLARITY_HIGH
@@ -581,6 +587,8 @@ VP_STMicroelectronics.X-CUBE-TOUCHGFX_VS_GraphicsJjApplication_4.21.2.Mode=Graph
 VP_STMicroelectronics.X-CUBE-TOUCHGFX_VS_GraphicsJjApplication_4.21.2.Signal=STMicroelectronics.X-CUBE-TOUCHGFX_VS_GraphicsJjApplication_4.21.2
 VP_SYS_VS_tim6.Mode=TIM6
 VP_SYS_VS_tim6.Signal=SYS_VS_tim6
+VP_TIM17_VS_ClockSourceINT.Mode=Enable_Timer
+VP_TIM17_VS_ClockSourceINT.Signal=TIM17_VS_ClockSourceINT
 VP_TIM1_VS_ClockSourceINT.Mode=Internal
 VP_TIM1_VS_ClockSourceINT.Signal=TIM1_VS_ClockSourceINT
 VP_TIM2_VS_ClockSourceINT.Mode=Internal