Diff: af_utils/edgeSerial.cpp

Revision:

0:87662653a3c6

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/af_utils/edgeSerial.cpp	Mon Apr 23 06:15:26 2018 +0000
@@ -0,0 +1,68 @@
+#include "mbed.h"
+#include "vt100.h"
+#include "edgeSerial.h"
+#include "edge_reset_mgr.h"
+extern vt100 *tty ;
+
+edgeSerial::edgeSerial(PinName txPin, PinName rxPin, int baud) 
+: Serial(txPin, rxPin, baud) 
+{
+    _is_peeked = false ;
+    _peeked_byte = 0 ;
+}
+    
+char edgeSerial::edge_peek(void)
+{
+    _peeked_byte = getc() ;
+    _is_peeked = true ;
+    return(  _peeked_byte ) ;
+}
+
+void edgeSerial::edge_read(uint8_t *buffer, int len)
+{
+    int i ;
+    if (_is_peeked) {
+        buffer[0] = _peeked_byte ;
+        _is_peeked = false ;
+#if 1
+        for (i = 1 ; i < len ; i++) {
+            buffer[i] = Serial::getc() ;
+        }
+#else
+        Serial::read(&buffer[1], len) ;
+#endif
+    } else {
+#if 1
+        for (i = 0 ; i < len ; i++) {
+            buffer[i] = Serial::getc() ;
+        }
+#else
+        Serial::read(buffer, len) ;
+#endif
+    }     
+}
+
+char edgeSerial::edge_read(void)
+{
+    char c ;
+// tty->printf("edge_read\n") ;
+    if (_is_peeked) {
+        c = _peeked_byte ;
+        _is_peeked = false ;
+    } else {
+//    Serial::read((uint8_t*)&c, 1) ;
+        c = Serial::getc() ;
+    }
+    return( c ) ;
+}
+
+void edgeSerial::edge_write(uint8_t *buffer, int len)
+{
+#if 1
+    for (int i = 0 ; i < len ; i++ ) {
+        Serial::write(&buffer[i], 1) ;
+    }    
+#else
+    Serial::write(buffer, len) ;
+#endif
+}
\ No newline at end of file