# if SPI_1_PA5_PA6_PA7
stm_rcc.ahbenr |= (1 << STM_RCC_AHBENR_IOPAEN);
stm_ospeedr_set(&stm_gpioa, 5, SPI_1_OSPEEDR);
stm_ospeedr_set(&stm_gpioa, 6, SPI_1_OSPEEDR);
stm_ospeedr_set(&stm_gpioa, 7, SPI_1_OSPEEDR);
# endif
# if SPI_1_PA5_PA6_PA7
stm_rcc.ahbenr |= (1 << STM_RCC_AHBENR_IOPAEN);
stm_ospeedr_set(&stm_gpioa, 5, SPI_1_OSPEEDR);
stm_ospeedr_set(&stm_gpioa, 6, SPI_1_OSPEEDR);
stm_ospeedr_set(&stm_gpioa, 7, SPI_1_OSPEEDR);
# endif