contiki/cpu/msp430/dev/uart0-putchar.c

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#include "dev/uart0.h"
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#if !NETSTACK_CONF_WITH_IPV4
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/* In case of IPv4: putchar() is defined by the SLIP driver */
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int
putchar(int c)
{
uart0_writeb((char)c);
return c;
}
#endif /* ! NETSTACK_CONF_WITH_IPV4 */