STM32F411VE Master-->SPI--> MAX7219 Slave

Hi,

I beleive i have initialised my master STM32 correctly somehow i cant get my slave to understand my master.

My problem is my slave does not seem to understand the master, i have tried various things, like using SPI2 instead of SPI1, did not work, any help would be appreciated.

void init_spi_gpio(void)
{
 GPIO_InitTypeDef SPI_GPIOStruct;

 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);
 /*
 * PB3 - SCK
 * PB4 - MISO
 * PB5 - MOSI
 * */
 SPI_GPIOStruct.GPIO_Mode = GPIO_Mode_AF;
 SPI_GPIOStruct.GPIO_OType = GPIO_OType_OD;
 SPI_GPIOStruct.GPIO_Pin = GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5;
 SPI_GPIOStruct.GPIO_PuPd = GPIO_PuPd_UP;
 SPI_GPIOStruct.GPIO_Speed = GPIO_Speed_100MHz;
 GPIO_Init(GPIOB, &SPI_GPIOStruct);
 GPIO_PinAFConfig(GPIOB, GPIO_PinSource3, GPIO_AF_SPI1);
 GPIO_PinAFConfig(GPIOB, GPIO_PinSource4, GPIO_AF_SPI1);
 GPIO_PinAFConfig(GPIOB, GPIO_PinSource5, GPIO_AF_SPI1);
 /*NSS Pin Config */
 GPIO_InitTypeDef SPI_SSPIN_Struct;
 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
 SPI_SSPIN_Struct.GPIO_Mode = GPIO_Mode_OUT;
 SPI_SSPIN_Struct.GPIO_OType = GPIO_OType_PP;
 SPI_SSPIN_Struct.GPIO_Pin = GPIO_Pin_15;
 SPI_SSPIN_Struct.GPIO_PuPd = GPIO_PuPd_UP;
 SPI_SSPIN_Struct.GPIO_Speed = GPIO_High_Speed;
 GPIO_Init(GPIOA, &SPI_SSPIN_Struct);
 //GPIO_SetBits(GPIOA,GPIO_Pin_15);
}
void init_spi_module(void)
{
 SPI_InitTypeDef SPI_InitStruct;
 RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);
 SPI_StructInit(&SPI_InitStruct);
 SPI_InitStruct.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_256;
 SPI_InitStruct.SPI_CPHA = SPI_CPHA_1Edge;
 SPI_InitStruct.SPI_CPOL = SPI_CPOL_Low;
 //SPI_InitStruct.SPI_CRCPolynomial = 0x00;
 SPI_InitStruct.SPI_DataSize = SPI_DataSize_8b;
 SPI_InitStruct.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
 SPI_InitStruct.SPI_FirstBit = SPI_FirstBit_LSB;
 SPI_InitStruct.SPI_Mode = SPI_Mode_Master;
 SPI_InitStruct.SPI_NSS = SPI_NSS_Soft| SPI_NSSInternalSoft_Set;
 SPI_Init(SPI1, &SPI_InitStruct);
 SPI_Cmd(SPI1, ENABLE);
}
int main(void)
{
 uint8_t RxChar;
 SystemInit();
 SysTick_Init();
 RCC_HSICmd(ENABLE);
 init_led_gpios();
 init_spi_gpio();
 init_spi_module();
 init_usart2_comm_module();
 init_usart2_gpio();
 init_powerup();
 USART_TX_string(''Reset!\n\r'');
 GPIO_SetBits(GPIOD, GPIO_Pin_12);
 while (1)
 {
 write_to_MAX7219(0x0A, 0x05);
 Delay_ms(500);
 MAX7219_displayNumber(25);
 }
}

void write_to_MAX7219(uint8_t addr, uint8_t data)
{
 uint16_t Addr, Data, Data_to_send;
 Addr = (uint16_t)addr;
 Data = (uint16_t)data;
 Data_to_send = ( (Addr<<8 ) & 0xFF00 ) | Data ;
 GPIO_ResetBits(GPIOA,GPIO_Pin_15);
 SPI_send_word( Data_to_send );
 GPIO_SetBits(GPIOA,GPIO_Pin_15);
}
void SPI_send_word(uint16_t byte)
{
 while ( ( (SPI_I2S_GetFlagStatus(SPI1,SPI_I2S_FLAG_BSY) ) == SET))
 ;
 SPI_I2S_SendData(SPI1, (uint16_t) byte);
 while ( ( (SPI_I2S_GetFlagStatus(SPI1,SPI_I2S_FLAG_TXE) ) != SET))
 ;
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