#include "stm32f0xx.h"
#include "stm32f0xx_gpio.h"
#include "stm32f0xx_rcc.h"
#include "stm32f0xx_spi.h"

void main()
{
/*Clock für die Peripherie einschalten*/
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB , ENABLE);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOC , ENABLE);

/* Benötigte PINS aktivieren */
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
GPIO_Init(GPIOB, &GPIO_InitStructure);

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
GPIO_Init(GPIOC, &GPIO_InitStructure);

///*SPI1-Konfigurieren*/
SPI_InitTypeDef SPI_InitStructure;
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
SPI_InitStructure.SPI_NSS = SPI_NSS_Hard;  //Nicht verwendet
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_128;
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
SPI_InitStructure.SPI_CRCPolynomial = 7;
SPI_Init(SPI1, &SPI_InitStructure);

/*SPI1 aktivieren*/
SPI_Cmd(SPI1, ENABLE);


/*Clock für die Peripherie einschalten*/
//RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);
//RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);

/* Benötigte PINS aktivieren */
//GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
//GPIO_Init(GPIOB, &GPIO_InitStructure);


/*SPI2-Konfigurieren*/
//SPI_InitStructure.SPI_Mode = SPI_Mode_Slave;  //Empfänger ist Slave
/*SPI2 aktivieren*/
//SPI_Cmd(SPI2, ENABLE);
uint32_t i = 0;
uint8_t c_daten =0;
while (1)
{
c_daten=0;

GPIO_SetBits(GPIOC, GPIO_Pin_8);

SPI_SendData8(SPI1,0xFF);

/* 100 ms delay */
//for(i=0;i<10000;i++){}

//c_daten =  SPI_ReceiveData8(SPI2);

/* 100 ms delay */


}
}