/* USER CODE BEGIN Header */
/**
 ******************************************************************************
 * @file           : main.c
 * @brief          : Main program body
 ******************************************************************************
 * @attention
 *
 * Copyright (c) 2022 STMicroelectronics.
 * All rights reserved.
 *
 * This software is licensed under terms that can be found in the LICENSE file
 * in the root directory of this software component.
 * If no LICENSE file comes with this software, it is provided AS-IS.
 *
 ******************************************************************************
 */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "gyro_mes.h"
#include "stdio.h"
#include "string.h"

/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
void GPIO_Set(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
{
	GPIOx->BSRR = (uint32_t)GPIO_Pin;
}

void GPIO_Reset(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin)
{
	GPIOx->BRR = (uint32_t)GPIO_Pin;
}

#define CS1_OFF()		GPIO_Set(CS1_GPIO_Port, CS1_Pin)
#define CS1_ON()		GPIO_Reset(CS1_GPIO_Port, CS1_Pin)
#define CS2_OFF()		GPIO_Set(CS2_GPIO_Port, CS2_Pin)
#define CS2_ON()		GPIO_Reset(CS2_GPIO_Port, CS2_Pin)
#define CS3_OFF()		GPIO_Set(CS3_GPIO_Port, CS3_Pin)
#define CS3_ON()		GPIO_Reset(CS3_GPIO_Port, CS3_Pin)
#define RESET_ON()		GPIO_Set(RESET_GPIO_Port, RESET_Pin)
#define RESET_OFF()		GPIO_Reset(RESET_GPIO_Port, RESET_Pin)
/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */
uint8_t data_out[18] = {0};
uint8_t flag_receive = 0;
uint8_t flag_transmit = 0;
struct sData data[3];
int32_t tx_index = 0;
uint8_t data_in[6] = {0};
uint8_t str[60];
/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_SPI1_Init(void);
static void MX_USART1_UART_Init(void);
static void MX_TIM1_Init(void);
/* USER CODE BEGIN PFP */
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_SPI1_Init(void);
static void MX_USART1_UART_Init(void);
static void MX_TIM1_Init(void);
uint16_t SPI1_Read(void);
void SPI1_Tx();
void USART_TX (uint8_t* dt, uint16_t sz);
/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */

/**
 * @brief  The application entry point.
 * @retval int
 */
int main(void)
{
	/* USER CODE BEGIN 1 */
	/* USER CODE END 1 */

	/* MCU Configuration--------------------------------------------------------*/

	/* Reset of all peripherals, Initializes the Flash interface and the Systick. */

	LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_SYSCFG);
	LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_PWR);

	NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);

	/* System interrupt init*/
	/* SysTick_IRQn interrupt configuration */
	NVIC_SetPriority(SysTick_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),15, 0));

	/* USER CODE BEGIN Init */

	/* USER CODE END Init */

	/* Configure the system clock */
	SystemClock_Config();

	/* USER CODE BEGIN SysInit */

	/* USER CODE END SysInit */

	/* Initialize all configured peripherals */
	MX_GPIO_Init();
	MX_SPI1_Init();
	MX_USART1_UART_Init();
	MX_TIM1_Init();
	/* USER CODE BEGIN 2 */
	RESET_ON();
	LL_mDelay(100);
	/* USER CODE END 2 */

	/* Infinite loop */
	/* USER CODE BEGIN WHILE */
	char str[19];
	memset(str, 0, sizeof(str));
	int8_t res = comand_mes(data_in, sizeof(data_in) / sizeof(data_in[0]));
	if(res != 0) return res;
	LL_TIM_EnableIT_UPDATE(TIM1);
	LL_TIM_EnableCounter(TIM1);
	while (1)
	{
		while(!flag_transmit);
		CS1_ON();
		SPI1_Tx();
		for(int i = 0; i < 6; i++) data_out[i] = SPI1_Read();
		CS1_OFF();

		CS2_ON();
		SPI1_Tx();
		for(int i = 0; i < 6; i++) data_out[6 + i] = SPI1_Read();
		CS2_OFF();

		CS3_ON();
		SPI1_Tx();
		for(int i = 0; i < 6; i++) data_out[12 + i] = SPI1_Read();
		CS3_OFF();

		status_mes(&data_out[0], 6u, &data[0]);
		status_mes(&data_out[6], 6u, &data[1]);
		status_mes(&data_out[12], 6u, &data[2]);

		flag_transmit = 1;

		/* USER CODE END WHILE */

		/* USER CODE BEGIN 3 */
	}
	/* USER CODE END 3 */
}

/**
 * @brief System Clock Configuration
 * @retval None
 */
void SystemClock_Config(void)
{
	LL_FLASH_SetLatency(LL_FLASH_LATENCY_4);
	while(LL_FLASH_GetLatency()!= LL_FLASH_LATENCY_4)
	{
	}
	LL_PWR_SetRegulVoltageScaling(LL_PWR_REGU_VOLTAGE_SCALE1);
	LL_RCC_HSI_Enable();

	/* Wait till HSI is ready */
	while(LL_RCC_HSI_IsReady() != 1)
	{

	}
	LL_RCC_HSI_SetCalibTrimming(16);
	LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSI, LL_RCC_PLLM_DIV_1, 10, LL_RCC_PLLR_DIV_2);
	LL_RCC_PLL_EnableDomain_SYS();
	LL_RCC_PLL_Enable();

	/* Wait till PLL is ready */
	while(LL_RCC_PLL_IsReady() != 1)
	{

	}
	LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL);

	/* Wait till System clock is ready */
	while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL)
	{

	}
	LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
	LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_1);
	LL_RCC_SetAPB2Prescaler(LL_RCC_APB2_DIV_1);

	LL_Init1msTick(80000000);

	LL_SetSystemCoreClock(80000000);
}

/**
 * @brief SPI1 Initialization Function
 * @param None
 * @retval None
 */
static void MX_SPI1_Init(void)
{

	/* USER CODE BEGIN SPI1_Init 0 */

	/* USER CODE END SPI1_Init 0 */

	LL_SPI_InitTypeDef SPI_InitStruct = {0};

	LL_GPIO_InitTypeDef GPIO_InitStruct = {0};

	/* Peripheral clock enable */
	LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_SPI1);

	LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOA);
	/**SPI1 GPIO Configuration
  PA5   ------> SPI1_SCK
  PA6   ------> SPI1_MISO
  PA7   ------> SPI1_MOSI
	 */
	GPIO_InitStruct.Pin = LL_GPIO_PIN_5|LL_GPIO_PIN_6|LL_GPIO_PIN_7;
	GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
	GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH;
	GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
	GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
	GPIO_InitStruct.Alternate = LL_GPIO_AF_5;
	LL_GPIO_Init(GPIOA, &GPIO_InitStruct);

	/* SPI1 interrupt Init */
	NVIC_SetPriority(SPI1_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
	NVIC_EnableIRQ(SPI1_IRQn);

	/* USER CODE BEGIN SPI1_Init 1 */

	/* USER CODE END SPI1_Init 1 */
	/* SPI1 parameter configuration*/
	SPI_InitStruct.TransferDirection = LL_SPI_FULL_DUPLEX;
	SPI_InitStruct.Mode = LL_SPI_MODE_MASTER;
	SPI_InitStruct.DataWidth = LL_SPI_DATAWIDTH_8BIT;
	SPI_InitStruct.ClockPolarity = LL_SPI_POLARITY_LOW;
	SPI_InitStruct.ClockPhase = LL_SPI_PHASE_1EDGE;
	SPI_InitStruct.NSS = LL_SPI_NSS_SOFT;
	SPI_InitStruct.BaudRate = LL_SPI_BAUDRATEPRESCALER_DIV8;
	SPI_InitStruct.BitOrder = LL_SPI_MSB_FIRST;
	SPI_InitStruct.CRCCalculation = LL_SPI_CRCCALCULATION_DISABLE;
	SPI_InitStruct.CRCPoly = 7;
	LL_SPI_Init(SPI1, &SPI_InitStruct);
	LL_SPI_SetStandard(SPI1, LL_SPI_PROTOCOL_MOTOROLA);
	LL_SPI_EnableNSSPulseMgt(SPI1);
	/* USER CODE BEGIN SPI1_Init 2 */

	/* USER CODE END SPI1_Init 2 */

}

/**
 * @brief TIM1 Initialization Function
 * @param None
 * @retval None
 */
static void MX_TIM1_Init(void)
{

	/* USER CODE BEGIN TIM1_Init 0 */

	/* USER CODE END TIM1_Init 0 */

	LL_TIM_InitTypeDef TIM_InitStruct = {0};

	/* Peripheral clock enable */
	LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_TIM1);

	/* TIM1 interrupt Init */
	NVIC_SetPriority(TIM1_UP_TIM16_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
	NVIC_EnableIRQ(TIM1_UP_TIM16_IRQn);

	/* USER CODE BEGIN TIM1_Init 1 */

	/* USER CODE END TIM1_Init 1 */
	TIM_InitStruct.Prescaler = 799;
	TIM_InitStruct.CounterMode = LL_TIM_COUNTERMODE_UP;
	TIM_InitStruct.Autoreload = 99;
	TIM_InitStruct.ClockDivision = LL_TIM_CLOCKDIVISION_DIV1;
	TIM_InitStruct.RepetitionCounter = 0;
	LL_TIM_Init(TIM1, &TIM_InitStruct);
	LL_TIM_DisableARRPreload(TIM1);
	LL_TIM_SetClockSource(TIM1, LL_TIM_CLOCKSOURCE_INTERNAL);
	LL_TIM_SetTriggerOutput(TIM1, LL_TIM_TRGO_RESET);
	LL_TIM_SetTriggerOutput2(TIM1, LL_TIM_TRGO2_RESET);
	LL_TIM_DisableMasterSlaveMode(TIM1);
	/* USER CODE BEGIN TIM1_Init 2 */

	/* USER CODE END TIM1_Init 2 */

}

/**
 * @brief USART1 Initialization Function
 * @param None
 * @retval None
 */
static void MX_USART1_UART_Init(void)
{

	/* USER CODE BEGIN USART1_Init 0 */

	/* USER CODE END USART1_Init 0 */

	LL_USART_InitTypeDef USART_InitStruct = {0};

	LL_GPIO_InitTypeDef GPIO_InitStruct = {0};

	LL_RCC_SetUSARTClockSource(LL_RCC_USART1_CLKSOURCE_PCLK2);

	/* Peripheral clock enable */
	LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_USART1);

	LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOA);
	/**USART1 GPIO Configuration
  PA9   ------> USART1_TX
  PA10   ------> USART1_RX
	 */
	GPIO_InitStruct.Pin = LL_GPIO_PIN_9|LL_GPIO_PIN_10;
	GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
	GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH;
	GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
	GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
	GPIO_InitStruct.Alternate = LL_GPIO_AF_7;
	LL_GPIO_Init(GPIOA, &GPIO_InitStruct);

	/* USART1 interrupt Init */
	NVIC_SetPriority(USART1_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),0, 0));
	NVIC_EnableIRQ(USART1_IRQn);

	/* USER CODE BEGIN USART1_Init 1 */

	/* USER CODE END USART1_Init 1 */
	USART_InitStruct.BaudRate = 460800;
	USART_InitStruct.DataWidth = LL_USART_DATAWIDTH_8B;
	USART_InitStruct.StopBits = LL_USART_STOPBITS_1;
	USART_InitStruct.Parity = LL_USART_PARITY_NONE;
	USART_InitStruct.TransferDirection = LL_USART_DIRECTION_TX;
	USART_InitStruct.HardwareFlowControl = LL_USART_HWCONTROL_NONE;
	USART_InitStruct.OverSampling = LL_USART_OVERSAMPLING_16;
	LL_USART_Init(USART1, &USART_InitStruct);
	LL_USART_ConfigAsyncMode(USART1);
	LL_USART_Enable(USART1);
	/* USER CODE BEGIN USART1_Init 2 */

	/* USER CODE END USART1_Init 2 */

}

/**
 * @brief GPIO Initialization Function
 * @param None
 * @retval None
 */
static void MX_GPIO_Init(void)
{
	LL_GPIO_InitTypeDef GPIO_InitStruct = {0};

	/* GPIO Ports Clock Enable */
	LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOA);
	LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOB);

	/**/
	LL_GPIO_SetOutputPin(GPIOA, CS1_Pin|CS2_Pin|CS3_Pin);

	/**/
	LL_GPIO_ResetOutputPin(RESET_GPIO_Port, RESET_Pin);

	/**/
	GPIO_InitStruct.Pin = CS1_Pin|CS2_Pin|CS3_Pin;
	GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
	GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
	GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
	GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
	LL_GPIO_Init(GPIOA, &GPIO_InitStruct);

	/**/
	GPIO_InitStruct.Pin = RESET_Pin;
	GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
	GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
	GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_OPENDRAIN;
	GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
	LL_GPIO_Init(RESET_GPIO_Port, &GPIO_InitStruct);

}

/* USER CODE BEGIN 4 */

void USART_TX (uint8_t* dt, uint16_t sz)
{
	uint16_t ind = 0;
	while (ind<sz)
	{
		while (!LL_USART_IsActiveFlag_TXE(USART1)) {}
		LL_USART_TransmitData8(USART1,*(uint8_t*)(dt+ind));
		ind++;
	}
}

uint16_t SPI1_Read(void)
{
	while(SPI1->SR & SPI_SR_BSY);
	SPI1->DR = 0; //запускаем обмен почками
	while(!(SPI1->SR & SPI_SR_RXNE));
	return SPI1->DR;
}

void SPI1_Tx()
{
	while(SPI1->SR & SPI_SR_BSY);
	tx_index = 0;
	SPI1->CR2 |= (1<<SPI_CR2_TXEIE_Pos);
}

void TIM1_UP_IRQHandler(void)
{
	uint8_t res = sprintf ((char*)str, "%i;%i;%i;%i;%i;%i\r\n", data[0].rate, data[1].rate, data[2].rate, data[0].temp, data[1].temp, data[2].temp);
	if((USART1->ISR & USART_ISR_TXE) == 0 && (USART1->ISR & USART_ISR_TC) == 0 && (flag_transmit)) USART_TX(str, res);
	else USART1->TDR = 1234;
	flag_transmit = 0;
	LL_TIM_ClearFlag_UPDATE(TIM1);
}
/*void HAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef *hspi)
{
	flag_receive = 1;
}
 */
/*void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart)
{
	flag_transmit = 0;
}*/

/*void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
    if((USART1->ISR & USART_ISR_TXE) == 0 && (USART1->ISR & USART_ISR_TC) == 0 && (flag_transmit)) USART1->RDR = data[1].rate;
    else USART1->RDR = 1234;
    flag_transmit = 0;
}*/
/* USER CODE END 4 */

/**
 * @brief  This function is executed in case of error occurrence.
 * @retval None
 */
void Error_Handler(void)
{
	/* USER CODE BEGIN Error_Handler_Debug */
	/* User can add his own implementation to report the HAL error return state */
	__disable_irq();
	while (1)
	{
	}
	/* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
 * @brief  Reports the name of the source file and the source line number
 *         where the assert_param error has occurred.
 * @param  file: pointer to the source file name
 * @param  line: assert_param error line source number
 * @retval None
 */
void assert_failed(uint8_t *file, uint32_t line)
{
	/* USER CODE BEGIN 6 */
	/* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
	/* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */