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authorKarel Kočí <cynerd@email.cz>2015-10-11 13:33:40 +0200
committerKarel Kočí <cynerd@email.cz>2015-10-11 13:33:40 +0200
commit861ed124caf5a403748c948b88afa4ef89cc1787 (patch)
treeadf25c1873549c22a93ee4308c0a40361c0e22b3 /src
parentc7c4a803c23829093914970af1e2336f261d66fa (diff)
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Add USART FILE interface
! NOT TESTED !
Diffstat (limited to 'src')
-rw-r--r--src/usart.c32
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;