diff options
Diffstat (limited to 'src/arch/stm32l4xxx/peripherals/usart.c')
-rw-r--r-- | src/arch/stm32l4xxx/peripherals/usart.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/src/arch/stm32l4xxx/peripherals/usart.c b/src/arch/stm32l4xxx/peripherals/usart.c index 7309b48..c682671 100644 --- a/src/arch/stm32l4xxx/peripherals/usart.c +++ b/src/arch/stm32l4xxx/peripherals/usart.c @@ -1,7 +1,9 @@ #include "arch/stm32l4xxx/peripherals/usart.h" + +#include <stdarg.h> + #include "kern/delay.h" #include "kern/lib.h" -#include <stdarg.h> void set_usart1_clock_src(__IO rcc_t* rcc, usart_clk_src_t usart_clk_src) { @@ -62,10 +64,11 @@ void usart_transmit_byte_sync(__IO usart_t* usart, uint8_t byte) ; } -void usart_transmit_bytes_sync(__IO usart_t* usart, const uint8_t* bytes, uint32_t n) +void usart_transmit_bytes_sync( + __IO usart_t* usart, const uint8_t* bytes, uint32_t n) { - while (n --) { - usart_transmit_byte_sync(usart, *(bytes ++)); + while (n--) { + usart_transmit_byte_sync(usart, *(bytes++)); } } @@ -75,13 +78,13 @@ void usart_transmit_str_sync(__IO usart_t* usart, const char* str) if (*str == '\n') { usart_transmit_byte_sync(usart, '\r'); } - usart_transmit_byte_sync(usart, *(str ++)); + usart_transmit_byte_sync(usart, *(str++)); } } void usart_enable_dma(__IO usart_t* usart, usart_enable_t enabled) { - switch(enabled) { + switch (enabled) { case USART_ENABLE_DISABLED: regset(usart->c_r3, usart_dmar, 0); regset(usart->c_r3, usart_dmat, 0); @@ -130,12 +133,12 @@ void usart_vprintf(__IO usart_t* usart, const char* fmt, va_list l) b.str = va_arg(l, char*); usart_transmit_str_sync(usart, b.str); } - ++ fmt; + ++fmt; } else { if (*fmt == '\n') { usart_transmit_byte_sync(usart, '\r'); } - usart_transmit_byte_sync(usart, *(fmt ++)); + usart_transmit_byte_sync(usart, *(fmt++)); } } |