/* vim: set sw=8 ts=8 si : */ /************************************************************************* Title : C include file for uart Target: any AVR device Copyright: GPL ***************************************************************************/ #ifndef UART_H #define UART_H #include <pgmspace.h> /* public result buffer len for uart_outbuf */ #define UART_RX_BUFFER_SIZE 23 extern void uart_init(void); /* call this function and then enable interrupt with sei() */ extern void uart_sendchar(char c); /* send one char */ extern void uart_sendstr(char *s); /* send a string */ extern void uart_sendstr_p(const prog_char *progmem_s); extern void uart_reset(void); extern unsigned char uart_getrxbufnl(char *uart_outbuf); /* * ** macros for automatically storing string constant in program memory * */ #ifndef P #define P(s) ({static const char c[] __attribute__ ((progmem)) = s;c;}) #endif #define uart_sendstr_P(__s) uart_sendstr_p(P(__s)) #endif /* UART_H */
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