void Init_SPI(void)
{
    GPIO_InitTypeDef    GPIO_InitStructure;                                     // GPIO Setup object
    // enable clock for CLK & MISO & MOSI GPIO (CLK: GPIO_PB_13 / MISO: GPIO_PB_14 / MOSI: GPIO_PB_15)
    __HAL_RCC_SPI1_FORCE_RESET( );
  __HAL_RCC_SPI1_RELEASE_RESET( );

  __HAL_RCC_SPI1_CLK_ENABLE( );

    GPIO_InitStructure.Mode  = GPIO_MODE_AF_PP;                             // Set GPIO Alternate function Mode
    GPIO_InitStructure.Pin   = GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7;                    // GPIO Pin Number
    GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_HIGH;                            // Set the speed for the selected pins
    GPIO_InitStructure.Pull  = GPIO_PULLUP;                             // GPIO Pull-up/pull-down operation
    GPIO_InitStructure.Alternate = GPIO_AF0_SPI1;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStructure);

    // configure I2C peripherical
    SPI1_Init.Instance = SPI1;
  SPI1_Init.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256;
  SPI1_Init.Init.CLKPhase = SPI_PHASE_1EDGE;
  SPI1_Init.Init.CLKPolarity = SPI_POLARITY_LOW;
  SPI1_Init.Init.DataSize = SPI_DATASIZE_8BIT;
  SPI1_Init.Init.Direction = SPI_DIRECTION_2LINES;
    SPI1_Init.Init.FirstBit = SPI_FIRSTBIT_MSB;
  SPI1_Init.Init.Mode = SPI_MODE_MASTER;
  SPI1_Init.Init.NSS = SPI_NSS_HARD_OUTPUT;
    SPI1_Init.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
    // enable I2C peripheral
  HAL_SPI_Init(&SPI1_Init);
  __HAL_SPI_ENABLE(&SPI1_Init);                     // Enable I2C

}
void SPI_Write_Enable()
{
    uint8_t tx_data[4];
    tx_data[0] = 0x06;
    GpioWrite(&flash_en,0);
    HAL_SPI_Transmit(&SPI1_Init,tx_data,1,1000);
    GpioWrite(&flash_en,1);
    GpioWrite(&flash_en,0);
    tx_data[0] = 0x05;
    HAL_SPI_Transmit(&SPI1_Init,tx_data,1,1000);
    HAL_SPI_Receive(&SPI1_Init,tx_data,1,1000);
    GpioWrite(&flash_en,1);
    if((tx_data[0] >> 1 & 0x01) != 0x01)
    {
        UartPrint("errorrn");
    }
    GpioWrite(&flash_en,0);
    tx_data[0] = 0x01;
    tx_data[1] = 0x02;
    tx_data[2] = 0x40;
    HAL_SPI_Transmit(&SPI1_Init,tx_data,3,1000);
    GpioWrite(&flash_en,1);

}
void SPI_Write_Data()
{
    uint8_t tx_data[20],cmd[2];

    tx_data[0] = 0x52;
    tx_data[1] = 0x00;
    tx_data[2] = 0x00;
    tx_data[3] = 0x00;
    GpioWrite(&flash_en,0);
    HAL_SPI_Transmit(&SPI1_Init,tx_data,14,1000);
    GpioWrite(&flash_en,1);

    Retry1:
    cmd[0] = 0x06;
    GpioWrite(&flash_en,0);
    while(HAL_SPI_Transmit(&SPI1_Init,cmd,1,1000)!= HAL_OK);
    GpioWrite(&flash_en,1);
    DelayMs(100);
    Retry:
    GpioWrite(&flash_en,0);
    tx_data[0] = 0x05;
    while(HAL_SPI_Transmit(&SPI1_Init,tx_data,1,1000)!=HAL_OK);
    while(HAL_SPI_Receive(&SPI1_Init,tx_data,1,1000)!=HAL_OK);
    GpioWrite(&flash_en,1);
    if((tx_data[0] >> 1 & 0x01) != 0x01)
    {
        UartPrint("error_wel_not enablern");
        DelayMs(1000);
        goto Retry1;
    }
    else
    {
        DelayMs(1000);
        UartPrint("wel enabledrn");
    }
    if((tx_data[0] & 0x01) == 0x01)
    {
        UartPrint("BUSYrn");
        goto Retry;
    }
    cmd[0] = 0x06;
    GpioWrite(&flash_en,0);
    while(HAL_SPI_Transmit(&SPI1_Init,cmd,1,1000)!= HAL_OK);
    GpioWrite(&flash_en,1);
    GpioWrite(&flash_en,0);
    tx_data[0] = 0x02;
    tx_data[1] = 0x00;
    tx_data[2] = 0x00;
    tx_data[3] = 0x0A;
    tx_data[4] = 0xAA;
    tx_data[5] = 0xAA;
    tx_data[6] = 0xAA;
    tx_data[7] = 0xAA;
    tx_data[8] = 0xAA;
    tx_data[9] = 0xAA;
    tx_data[10] = 0xAA;
    tx_data[11] = 0xAA;
    tx_data[12] = 0xAA;
    tx_data[13] = 0xAA;
    if(HAL_SPI_Transmit(&SPI1_Init,tx_data,14,5000) != HAL_OK)
    {
        UartPrint("write errorrn");
    }
    GpioWrite(&flash_en,1);
}

void SPI_Read_Data(uint8_t *data)
{
    uint8_t tx_data[20],cmd[2];
    cmd[0] = 0x04;
    GpioWrite(&flash_en,0);
    while(HAL_SPI_Transmit(&SPI1_Init,cmd,1,1000)!= HAL_OK);
    GpioWrite(&flash_en,1);
    GpioWrite(&flash_en,0);
    tx_data[0] = 0x05;
    while(HAL_SPI_Transmit(&SPI1_Init,tx_data,1,1000)!=HAL_OK);
    while(HAL_SPI_Receive(&SPI1_Init,tx_data,1,1000)!=HAL_OK);
    GpioWrite(&flash_en,1);
    if((tx_data[0] >> 1 & 0x01) == 0x01)
    {
        UartPrint(" wel enablern");
    }
    if((tx_data[0] & 0x01) == 0x01)
    {
        UartPrint("BUSYrn");
    }
    tx_data[0] = 0x03;
    tx_data[1] = 0x00;
    tx_data[2] = 0x00;
    tx_data[3] = 0x0A;

    GpioWrite(&flash_en,0);
    HAL_SPI_Transmit(&SPI1_Init,tx_data,4,1000);
    if(HAL_SPI_Receive(&SPI1_Init,data,10,1000)!= HAL_OK)
    {
        UartPrint("error_readrn");
    }
    GpioWrite(&flash_en,1);
}
////////////////////////////////////////////////////////////////////////////////////