Mohamed Ayman commented on a discussion on bsps/arm/stm32f4/include/bsp/stm32_usart.h: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1130#note_146211 > #define STM32F4_USART_DR_GET(reg) BSP_FLD32GET(reg, 0, 7) > #define STM32F4_USART_DR_SET(reg, val) BSP_FLD32SET(reg, val, 0, 7) > - uint32_t bbr; > -#define STM32F4_USART_BBR_DIV_MANTISSA(val) BSP_FLD32(val, 4, 15) > -#define STM32F4_USART_BBR_DIV_MANTISSA_GET(reg) BSP_FLD32GET(reg, 4, 15) > -#define STM32F4_USART_BBR_DIV_MANTISSA_SET(reg, val) BSP_FLD32SET(reg, val, > 4, 15) > -#define STM32F4_USART_BBR_DIV_FRACTION(val) BSP_FLD32(val, 0, 3) > -#define STM32F4_USART_BBR_DIV_FRACTION_GET(reg) BSP_FLD32GET(reg, 0, 3) > -#define STM32F4_USART_BBR_DIV_FRACTION_SET(reg, val) BSP_FLD32SET(reg, val, > 0, 3) > + uint32_t brr; > +#define STM32F4_USART_BRR_DIV_MANTISSA(val) BSP_FLD32(val, 4, 15) > +#define STM32F4_USART_BRR_DIV_MANTISSA_GET(reg) BSP_FLD32GET(reg, 4, 15) > +#define STM32F4_USART_BRR_DIV_MANTISSA_SET(reg, val) BSP_FLD32SET(reg, val, > 4, 15) > +#define STM32F4_USART_BRR_DIV_FRACTION(val) BSP_FLD32(val, 0, 3) > +#define STM32F4_USART_BRR_DIV_FRACTION_GET(reg) BSP_FLD32GET(reg, 0, 3) > +#define STM32F4_USART_BRR_DIV_FRACTION_SET(reg, val) BSP_FLD32SET(reg, val, > 0, 3) {width=900 height=446} {width=900 height=127} In the first part of the first image, which shows the main source repository, only **BBR** appears in the files I edited. In the second part of the first image, since I ran the command on the entire source code, **BRR** appears and is used in other drivers. This demonstrates that **BRR** is the standard naming convention. It is also used in **STM32H7**, which serves as a design reference for **STM32F4**. In the second image, I show the changes I made to update the naming in the main source (first part of the first image) from **BBR** to **BRR**. -- View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1130#note_146211 You're receiving this email because of your account on gitlab.rtems.org.
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