Arduino for STM32

Hello guys,

I am new this forum. and this is my first post. Hello Again :D

#include <SPI.h>
#include <RF24-STM.h>
#include <RF24-STM_config.h>
#define CE_PIN PB11
#define MOSI2 PB15
#define MISO2 PB14
#define SCLK2 PB13
#define CSN_PIN2 PB12
#define LED_BUILTIN PC13
//SPIClass(uint8_t mosi ...