(1 << STM_SPI_CR1_SSI) | /* ... */
(0 << STM_SPI_CR1_LSBFIRST) | /* Big endian */
(1 << STM_SPI_CR1_SPE) | /* Enable SPI unit */
(1 << STM_SPI_CR1_SSI) | /* ... */
(0 << STM_SPI_CR1_LSBFIRST) | /* Big endian */
(1 << STM_SPI_CR1_SPE) | /* Enable SPI unit */