/*----------------------------------------------------------------------------
 * CMSIS-RTOS 'main' function template
 *---------------------------------------------------------------------------*/
 #include "stm32f7xx_hal.h"
 #include "stm32f7xx_hal_conf.h"
#include "RTE_Components.h"
#include  CMSIS_device_header
#include "cmsis_os2.h"
#include "string.h"
#include <stdlib.h>
#include "ext_uart.h"
#include "ext_buttons.h"
#include "ext_26pin.h"


#ifdef RTE_Compiler_EventRecorder
#include "EventRecorder.h"
#endif

GPIO_InitTypeDef GPIO_InitStruct;

osThreadId_t idTask1;
osEventFlagsId_t evt_id;   

 const osThreadAttr_t AttrTask1 = {
  .stack_size = 512,          // Create the thread stack size 
	.priority = osPriorityNormal, //Set initial thread priority to high
	.name = "Task 1"
};
 
void init_button(void)
{
	/* Configure GPIO pin: PI2 (BTN_0) as interrupt */
	__HAL_RCC_GPIOI_CLK_ENABLE();
	GPIO_InitStruct.Pin = GPIO_PIN_2;
	GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
	GPIO_InitStruct.Pull = GPIO_PULLUP;
	HAL_GPIO_Init(GPIOI, &GPIO_InitStruct);
	HAL_NVIC_SetPriority(EXTI2_IRQn,5,5);
	HAL_NVIC_EnableIRQ(EXTI2_IRQn);
}


void EXTI2_IRQHandler(void)
{
	EventRecord2(0x000,0,0);
	HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_2);
	EventRecord2(0x100,0,0);
}

void HAL_GPIO_EXTI_Callback(uint16_t GPIO_PIN)
{
	//button interrupt
	HAL_GPIO_WritePin(GPIOF, GPIO_PIN_9, 1);
	osEventFlagsSet(evt_id, 0x1U);
}
 

/*----------------------------------------------------------------------------
 * Thread 1
 *---------------------------------------------------------------------------*/
__NO_RETURN static void taskCounter(void *argument) {

	
	for (;;) {
		osEventFlagsWait(evt_id, 0x1U, osFlagsWaitAny, osWaitForever);
		HAL_GPIO_WritePin(GPIOF, GPIO_PIN_9, 0);
	}
}

//------------------------------------------------------------------------------
// Setup system clock to 216MHz
//------------------------------------------------------------------------------
void SystemClock_Config (void) {
  RCC_ClkInitTypeDef RCC_ClkInitStruct;
  RCC_OscInitTypeDef RCC_OscInitStruct;

  /* Enable HSE Oscillator and activate PLL with HSE as source */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSIState = RCC_HSI_OFF;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLM = 25;
  RCC_OscInitStruct.PLL.PLLN = 432;  
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  RCC_OscInitStruct.PLL.PLLQ = 9;
  HAL_RCC_OscConfig(&RCC_OscInitStruct);

  /* Activate the OverDrive to reach the 216 MHz Frequency */
  HAL_PWREx_EnableOverDrive();
  
  /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers */
  RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;  
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;  
  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_7);
}


int main (void) {
	
  // System Initialization
  SystemCoreClockUpdate();
	SystemClock_Config();
	
	Ext_Debug_Init();//initialize pin pf9 as output
	init_button();
	
#ifdef RTE_Compiler_EventRecorder
  // Initialize and start Event Recorder
//	Ext_UART_Init(9600);
  EventRecorderInitialize(EventRecordAll, 1U);
#endif
 
  osKernelInitialize();                 // Initialize CMSIS-RTOS

	idTask1 = osThreadNew(taskCounter, NULL,  &AttrTask1);
	
	//events
	evt_id = osEventFlagsNew(NULL);

	//----------------------------------------------------------------------------------------------
	// get names are placed for TraceAlyzer visualisation
	//----------------------------------------------------------------------------------------------
	osThreadGetName(idTask1);

	
  osKernelStart();    
	// Start thread execution
  for (;;) {
	}
}