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usb-firewall-fork/Downstream/Src/upstream_spi.c

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/*
* upstream_spi.c
*
* Created on: 24/07/2015
* Author: Robert Fisk
*/
#include "upstream_spi.h"
#include "upstream_interface_def.h"
SPI_HandleTypeDef Hspi1;
InterfaceStateTypeDef UpstreamInterfaceState;
void SPI1_Init(void);
void Upstream_InitInterface(void)
{
UpstreamInterfaceState = INTERFACE_STATE_RESET;
SPI1_Init();
}
void SPI1_Init(void)
{
Hspi1.Instance = SPI1;
Hspi1.Init.Mode = SPI_MODE_SLAVE;
Hspi1.Init.Direction = SPI_DIRECTION_2LINES;
Hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
Hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
Hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
Hspi1.Init.NSS = SPI_NSS_HARD_INPUT;
Hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
Hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
Hspi1.Init.TIMode = SPI_TIMODE_DISABLED;
Hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_ENABLE;
Hspi1.Init.CRCPolynomial = SPI_CRC_DEFAULTPOLYNOMIAL;
HAL_SPI_Init(&Hspi1);
}