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arch/stm32f7: Fix nxstyle errors

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arch/arm/src/stm32f7/stm32_lowputc.c:

    * Fix nxstyle errors.
This commit is contained in:
Nathan Hartman 2021-03-01 09:53:36 -05:00 committed by Abdelatif Guettouche
parent 3d24288a66
commit 75eb3e8ec2
1 changed files with 16 additions and 8 deletions
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24
arch/arm/src/stm32f7/stm32_lowputc.c
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@ -271,8 +271,9 @@
# undef USE_OVER8
/* Calculate USART BAUD rate divider */
/* Baud rate for standard USART (SPI mode included):
/* Calculate USART BAUD rate divider
*
* Baud rate for standard USART (SPI mode included):
*
* In case of oversampling by 16, the equation is:
* baud = fCK / UARTDIV
@ -289,7 +290,9 @@
# define STM32_USARTDIV16 \
((STM32_APBCLOCK + (STM32_CONSOLE_BAUD >> 1)) / STM32_CONSOLE_BAUD)
/* Use oversampling by 8 only if the divisor is small. But what is small? */
/* Use oversampling by 8 only if the divisor is small. But what is
* small?
*/
# if STM32_USARTDIV8 > 100
# define STM32_BRR_VALUE STM32_USARTDIV16
@ -337,9 +340,11 @@ void arm_lowputc(char ch)
#ifdef HAVE_CONSOLE
/* Wait until the TX data register is empty */
while ((getreg32(STM32_CONSOLE_BASE + STM32_USART_ISR_OFFSET) & USART_ISR_TXE) == 0);
while ((getreg32(STM32_CONSOLE_BASE +
STM32_USART_ISR_OFFSET) & USART_ISR_TXE) == 0);
#ifdef STM32_CONSOLE_RS485_DIR
stm32_gpiowrite(STM32_CONSOLE_RS485_DIR, STM32_CONSOLE_RS485_DIR_POLARITY);
stm32_gpiowrite(STM32_CONSOLE_RS485_DIR,
STM32_CONSOLE_RS485_DIR_POLARITY);
#endif
/* Then send the character */
@ -347,8 +352,10 @@ void arm_lowputc(char ch)
putreg32((uint32_t)ch, STM32_CONSOLE_BASE + STM32_USART_TDR_OFFSET);
#ifdef STM32_CONSOLE_RS485_DIR
while ((getreg32(STM32_CONSOLE_BASE + STM32_USART_ISR_OFFSET) & USART_ISR_TC) == 0);
stm32_gpiowrite(STM32_CONSOLE_RS485_DIR, !STM32_CONSOLE_RS485_DIR_POLARITY);
while ((getreg32(STM32_CONSOLE_BASE +
STM32_USART_ISR_OFFSET) & USART_ISR_TC) == 0);
stm32_gpiowrite(STM32_CONSOLE_RS485_DIR,
!STM32_CONSOLE_RS485_DIR_POLARITY);
#endif
#endif /* HAVE_CONSOLE */
@ -391,7 +398,8 @@ void stm32_lowsetup(void)
#ifdef STM32_CONSOLE_RS485_DIR
stm32_configgpio(STM32_CONSOLE_RS485_DIR);
stm32_gpiowrite(STM32_CONSOLE_RS485_DIR, !STM32_CONSOLE_RS485_DIR_POLARITY);
stm32_gpiowrite(STM32_CONSOLE_RS485_DIR,
!STM32_CONSOLE_RS485_DIR_POLARITY);
#endif
/* Enable and configure the selected console device */