diff options
Diffstat (limited to 'src/usart.c')
| -rw-r--r-- | src/usart.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/src/usart.c b/src/usart.c index 0e17aff..745d75c 100644 --- a/src/usart.c +++ b/src/usart.c @@ -117,7 +117,7 @@ void usart_send_str(char *str) { #ifdef _IOE_USART_INBUFFER uint8_t usart_get(void) { - uint8_t rtn = 0; + uint8_t rtn; IOEBUFFER_GET(_ioe_usart_inbuffer, CONFIG_IOE_USART_INBUFFER_SIZE, rtn); return rtn; @@ -150,6 +150,36 @@ uint8_t usart_outbuffered(void) { } #endif +#ifdef CONFIG_IOE_USART_OUTFILE +static int usartput(char c, FILE * f) { + usart_send((uint8_t) c); + return 0; +} +#endif + +#ifdef CONFIG_IOE_USART_INBUFFER +static int usartget(FILE * f) { + uint8_t v; + while (!(v = usart_get())); + return v; +} +#endif + +#if (defined CONFIG_IOE_USART_INFILE) || (defined CONFIG_IOE_USART_OUTFILE) +FILE *usart_async_open(void) { + usart_init_async(); +#ifdef CONFIG_IOE_USART_OUTFILE +#ifdef CONFIG_IOE_USART_INFILE + return fdevopen(spiput, spiget); +#else + return fdevopen(spiput, 0); +#endif +#else + return fdevopen(0, spiget); +#endif +} +#endif + ////// Interrupts //////////////////////////////// void (*usart_receive) (uint8_t data) = 0; void (*usart_sent) (void) = 0; |