void W5500HardwareInitilize(void)
{
__GPIOH_CLK_ENABLE();
/*W5500 CS/INT/RST Clock enable*/
__GPIOB_CLK_ENABLE();
__GPIOC_CLK_ENABLE();
/*W5500 GPIO&SPI1 Clock enable*/
__GPIOA_CLK_ENABLE();
/*Initialize GPIO Structure*/
GPIO_InitTypeDef GPIO_InitStructure;
/*Initialize CS Pin*/
GPIO_InitStructure.Speed = GPIO_SPEED_HIGH;
GPIO_InitStructure.Pin = W5500_CS_PIN;
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStructure.Pull = GPIO_NOPULL;
HAL_GPIO_Init(W5500_CS_PORT,&GPIO_InitStructure);
/*Initialize INT Pin*/
GPIO_InitStructure.Speed = GPIO_SPEED_HIGH;
GPIO_InitStructure.Pin = W5500_INT_PIN;
GPIO_InitStructure.Mode = GPIO_MODE_INPUT;
GPIO_InitStructure.Pull = GPIO_NOPULL;
HAL_GPIO_Init(W5500_INT_PORT,&GPIO_InitStructure);
/*Ethernet shield does not have individual reset pin*/
/* ==> Remove R23 and connect RSTN - D9 pin
Now D9 is Reset pin.*/
GPIO_InitStructure.Speed = GPIO_SPEED_HIGH;
GPIO_InitStructure.Pin = W5500_RESET_PIN;
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStructure.Pull = GPIO_NOPULL;
HAL_GPIO_Init(W5500_RESET_PORT,&GPIO_InitStructure);
/*SPI init*/
hspi1W5500.Instance = W5500_SPI;
hspi1W5500.Init.Mode = SPI_MODE_MASTER;
hspi1W5500.Init.Direction = SPI_DIRECTION_2LINES;
hspi1W5500.Init.DataSize = SPI_DATASIZE_8BIT;
hspi1W5500.Init.CLKPolarity = SPI_POLARITY_HIGH;
hspi1W5500.Init.CLKPhase = SPI_PHASE_2EDGE;
hspi1W5500.Init.NSS = SPI_NSS_SOFT;
hspi1W5500.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
hspi1W5500.Init.FirstBit = SPI_FIRSTBIT_MSB;
hspi1W5500.Init.TIMode = SPI_TIMODE_DISABLED;
hspi1W5500.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED;
hspi1W5500.Init.CRCPolynomial = 10;
HAL_SPI_Init(&hspi1W5500);
W5500HardwareReset();
}
void W5500HardwareInitilize(void)
{
/*Initialize Structure*/
GPIO_InitTypeDef GPIO_InitStructure;
SPI_InitTypeDef SPI_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/*Enable clock related Periphs*/
RCC_APB2PeriphClockCmd(W5500_SPI_RCC,ENABLE);
RCC_APB2PeriphClockCmd(W5500_GPIO_RCC,ENABLE);
/*Initialize CLK Pin*/
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Pin = W5500_CLK_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(W5500_CLK_PORT,&GPIO_InitStructure);
/*Initialize MOSI Pin*/
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Pin = W5500_MOSI_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(W5500_MOSI_PORT,&GPIO_InitStructure);
/*Initialize MISO Pin*/
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Pin = W5500_MISO_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(W5500_MISO_PORT,&GPIO_InitStructure);
/*Initialize CS Pin*/
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Pin = W5500_CS_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(W5500_CS_PORT,&GPIO_InitStructure);
/*Initialize Reset Pin*/
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Pin = W5500_RESET_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(W5500_RESET_PORT,&GPIO_InitStructure);
/*Initialize INT Pin*/
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Pin = W5500_INT_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(W5500_INT_PORT,&GPIO_InitStructure);
/*Initialize SPI*/
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2;
SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
SPI_InitStructure.SPI_CPOL = SPI_CPOL_High;
SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge;
SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
SPI_InitStructure.SPI_CRCPolynomial = 7;
SPI_Init(W5500_SPI, &SPI_InitStructure);
SPI_Cmd(W5500_SPI, ENABLE);
W5500HardwareReset();
}
