/**
  ******************************************************************************
  * @file    spi.c 
  * @author  AMG Energy Solution Team
  * @version V1.0.0
  * @date    07-Feb-2022
  * @brief   This file provides all the code of the spi communication.
  ******************************************************************************
  * @attention
  *
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  *
  * <h2><center>&copy; COPYRIGHT 2022 AMG</center></h2>
  ******************************************************************************
  */ 

/** @addtogroup mBMS2
  * @{
  */

/* Includes ------------------------------------------------------------------*/
#include "spi.h"

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* SPI_SCK Port/Pin definition */
#define SPI_SCK_PORT                    (PortB)
#define SPI_SCK_PIN                     (Pin13)
#define SPI_SCK_FUNC                    (Func_Spi3_Sck)

/* SPI_MOSI Port/Pin definition */
#define SPI_MOSI_PORT                   (PortB)
#define SPI_MOSI_PIN                    (Pin15)
#define SPI_MOSI_FUNC                   (Func_Spi3_Mosi)

/* SPI_MISO Port/Pin definition */
#define SPI_MISO_PORT                   (PortB)
#define SPI_MISO_PIN                    (Pin14)
#define SPI_MISO_FUNC                   (Func_Spi3_Miso)

/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

//Following is the SPI module initialization code, and configured to master mode
//SPI port initialization
//Needle is SPI2 initialization
void Spi_Config(void)
{	 
	stc_spi_init_t stcSpiInit;
	stc_port_init_t stcPortInit;

	/* configuration structure initialization */
	MEM_ZERO_STRUCT(stcPortInit);

	stcPortInit.enPinMode = Pin_Mode_Out;
	stcPortInit.enExInt = Disable;
	stcPortInit.enPullUp = Enable;

	/* SPI Port/Pin initialization */
	PORT_Init(SPI_MISO_PORT, SPI_MISO_PIN, &stcPortInit);
	
	stcPortInit.enPinMode = Pin_Mode_In;
	
	PORT_Init(SPI_MOSI_PORT, SPI_MOSI_PIN, &stcPortInit);

	/* configuration structure initialization */
	MEM_ZERO_STRUCT(stcSpiInit);

	/* Configuration peripheral clock */
	PWC_Fcg1PeriphClockCmd(SPI_UNIT_CLOCK, Enable);

	/* Configuration SPI pin */
	PORT_SetFunc(SPI_SCK_PORT, SPI_SCK_PIN, SPI_SCK_FUNC, Disable);
	PORT_SetFunc(SPI_MOSI_PORT, SPI_MOSI_PIN, SPI_MOSI_FUNC, Disable);
	PORT_SetFunc(SPI_MISO_PORT, SPI_MISO_PIN, SPI_MISO_FUNC, Disable);

	/* Configuration SPI structure */
	stcSpiInit.enClkDiv = SpiClkDiv2;
	stcSpiInit.enFrameNumber = SpiFrameNumber1;
	stcSpiInit.enDataLength = SpiDataLengthBit8;
	stcSpiInit.enFirstBitPosition = SpiFirstBitPositionMSB;
	stcSpiInit.enSckPolarity = SpiSckIdleLevelLow;
	stcSpiInit.enSckPhase = SpiSckOddSampleEvenChange;
	stcSpiInit.enReadBufferObject = SpiReadReceiverBuffer;
	stcSpiInit.enWorkMode = SpiWorkMode3Line;
	stcSpiInit.enTransMode = SpiTransFullDuplex;
	stcSpiInit.enCommAutoSuspendEn = Disable;
	stcSpiInit.enModeFaultErrorDetectEn = Disable;
	stcSpiInit.enParitySelfDetectEn = Disable;
	stcSpiInit.enParityEn = Disable;
	stcSpiInit.enParity = SpiParityEven;
	stcSpiInit.enMasterSlaveMode = SpiModeMaster;
	stcSpiInit.stcDelayConfig.enSsSetupDelayOption = SpiSsSetupDelayCustomValue;
	stcSpiInit.stcDelayConfig.enSsSetupDelayTime = SpiSsSetupDelaySck1;
	stcSpiInit.stcDelayConfig.enSsHoldDelayOption = SpiSsHoldDelayCustomValue;
	stcSpiInit.stcDelayConfig.enSsHoldDelayTime = SpiSsHoldDelaySck1;
	stcSpiInit.stcDelayConfig.enSsIntervalTimeOption = SpiSsIntervalCustomValue;
	stcSpiInit.stcDelayConfig.enSsIntervalTime = SpiSsIntervalSck6PlusPck2;

	SPI_Init(SPI_UNIT, &stcSpiInit);
	SPI_Cmd(SPI_UNIT, Enable);
}

/**
 *******************************************************************************
 ** \brief SPI flash write byte function
 **
 ** \param [in] u8Data                      SPI write data to flash
 **
 ** \retval uint8_t                         SPI receive data from flash
 **
 ******************************************************************************/
uint8_t SpiFlash_WriteReadByte(uint8_t u8Data)
{
	uint8_t u8Byte = 0;

	/* Wait tx buffer empty */
	while (Reset == SPI_GetFlag(SPI_UNIT, SpiFlagSendBufferEmpty))
	{
	}
	/* Send data */
	SPI_SendData8(SPI_UNIT, u8Data);
	/* Wait rx buffer full */
	while (Reset == SPI_GetFlag(SPI_UNIT, SpiFlagReceiveBufferFull))
	{
	}
	/* Receive data */
	u8Byte = SPI_ReceiveData8(SPI_UNIT);

	return u8Byte;
}

/*******************(C)COPYRIGHT 2022 AMG ********************END OF FILE******/