X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=Src%2Fmain.c;h=de59f78369fc054eb53e7c83b568cc3ba3b56503;hb=f06abb81f5f7d6bffa600b41e66cc0b3c5a727c6;hp=241e3f5639dc0d56184f0e18edd20f7e12b53663;hpb=4b65af0c3b9e7d965515044e5761ba3003ee38aa;p=home-hw.git

diff --git a/Src/main.c b/Src/main.c
index 241e3f5..de59f78 100644
--- a/Src/main.c
+++ b/Src/main.c
@@ -37,13 +37,13 @@
   ******************************************************************************
   */
 /* Includes ------------------------------------------------------------------*/
-#include "util.h"
 #include "main.h"
 #include "stm32f1xx_hal.h"
-#include "usb.h"
-#include "app.h"
 
 /* USER CODE BEGIN Includes */
+#include "util.h"
+#include "usb.h"
+#include "app.h"
 
 /* USER CODE END Includes */
 
@@ -63,6 +63,7 @@ static void MX_GPIO_Init(void);
 static void MX_I2C1_Init(void);
 static void MX_I2C2_Init(void);
 static void MX_USB_PCD_Init(void);
+static void MX_TIM4_Init(void);
 
 /* USER CODE BEGIN PFP */
 /* Private function prototypes -----------------------------------------------*/
@@ -118,6 +119,7 @@ int main(void)
   MX_I2C1_Init();
   MX_I2C2_Init();
   MX_USB_PCD_Init();
+  MX_TIM4_Init();
   /* USER CODE BEGIN 2 */
   display_init();
   usb_start(&usb);
@@ -265,7 +267,7 @@ static void MX_I2C2_Init(void)
     /**I2C Initialization 
     */
   I2C_InitStruct.PeripheralMode = LL_I2C_MODE_I2C;
-  I2C_InitStruct.ClockSpeed = 100000;
+  I2C_InitStruct.ClockSpeed = 400000;
   I2C_InitStruct.DutyCycle = LL_I2C_DUTYCYCLE_2;
   I2C_InitStruct.OwnAddress1 = 0;
   I2C_InitStruct.TypeAcknowledge = LL_I2C_ACK;
@@ -282,9 +284,49 @@ static void MX_I2C2_Init(void)
 
 }
 
+/* TIM4 init function */
+static void MX_TIM4_Init(void)
+{
+
+  LL_TIM_InitTypeDef TIM_InitStruct;
+  LL_TIM_OC_InitTypeDef TIM_OC_InitStruct;
+
+  /* Peripheral clock enable */
+  LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_TIM4);
+
+  /* TIM4 interrupt Init */
+  NVIC_SetPriority(TIM4_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
+  NVIC_EnableIRQ(TIM4_IRQn);
+
+  TIM_InitStruct.Prescaler = 7200;
+  TIM_InitStruct.CounterMode = LL_TIM_COUNTERMODE_UP;
+  TIM_InitStruct.Autoreload = 1000;
+  TIM_InitStruct.ClockDivision = LL_TIM_CLOCKDIVISION_DIV1;
+  LL_TIM_Init(TIM4, &TIM_InitStruct);
+
+  LL_TIM_DisableARRPreload(TIM4);
+
+  LL_TIM_SetClockSource(TIM4, LL_TIM_CLOCKSOURCE_INTERNAL);
+
+  TIM_OC_InitStruct.OCMode = LL_TIM_OCMODE_FROZEN;
+  TIM_OC_InitStruct.OCState = LL_TIM_OCSTATE_DISABLE;
+  TIM_OC_InitStruct.OCNState = LL_TIM_OCSTATE_DISABLE;
+  TIM_OC_InitStruct.CompareValue = 0;
+  TIM_OC_InitStruct.OCPolarity = LL_TIM_OCPOLARITY_HIGH;
+  LL_TIM_OC_Init(TIM4, LL_TIM_CHANNEL_CH1, &TIM_OC_InitStruct);
+
+  LL_TIM_OC_DisableFast(TIM4, LL_TIM_CHANNEL_CH1);
+
+  LL_TIM_SetTriggerOutput(TIM4, LL_TIM_TRGO_RESET);
+
+  LL_TIM_DisableMasterSlaveMode(TIM4);
+
+}
+
 /* USB init function */
 static void MX_USB_PCD_Init(void)
 {
+
   hpcd_USB_FS.Instance = USB;
   hpcd_USB_FS.Init.dev_endpoints = 8;
   hpcd_USB_FS.Init.speed = PCD_SPEED_FULL;
@@ -296,6 +338,7 @@ static void MX_USB_PCD_Init(void)
   {
     _Error_Handler(__FILE__, __LINE__);
   }
+
 }
 
 /** Configure pins as