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Change uart_set_baudrate() to a do-while statement.

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This commit is contained in:
Ian Martin 2014-03-22 10:22:11 -04:00
parent 1ceb8ae358
commit ee45fc7533
1 changed files with 5 additions and 4 deletions
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9
cpu/cc2538/dev/uart.h
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@ -77,10 +77,11 @@
#define BAUD2BRD(baud) DIV_ROUND(UART_CLOCK_RATE << (UART_CTL_HSE_VALUE + 2), (baud))
#define uart_set_baudrate(baud) ( \
REG(UART_BASE | UART_IBRD) = BAUD2BRD(baud) >> 6, \
REG(UART_BASE | UART_FBRD) = BAUD2BRD(baud) & 0x3f, \
REG(UART_BASE | UART_LCRH) = REG(UART_BASE | UART_LCRH) )
#define uart_set_baudrate(baud) do { \
REG(UART_BASE | UART_IBRD) = BAUD2BRD(baud) >> 6; \
REG(UART_BASE | UART_FBRD) = BAUD2BRD(baud) & 0x3f; \
REG(UART_BASE | UART_LCRH) = REG(UART_BASE | UART_LCRH); \
} while(0)
/** @} */
/*---------------------------------------------------------------------------*/