Dorian-Filip Pavetić / HostIO

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Diff: HostIO.cpp

Revision:
0:76a5bc96dddd
Child:
1:d11c2cd28a8b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HostIO.cpp	Sat Nov 05 07:35:08 2022 +0000
@@ -0,0 +1,16 @@
+// HostIO.cpp code for Exercise 7-7
+#include "HostIO.h"
+#include "SegDisplay.h" // allow access to functions and objects in
+SegDisplay.cpp
+Serial pc(USBTX, USBRX); // communication to host PC
+void HostInit(void)
+{
+    pc.printf("\n\rType two digit numbers to be displayed on the 7-seg display\n\r");
+}
+
+char GetKeyInput(void)
+{
+    char c = pc.getc(); // get keyboard data (note numerical ascii range 0x30-x39)
+    pc.printf("%c",c); // print ascii value to host PC terminal
+    return (c&0x0F); // return value as non-ascii (bitmask c with value 0x0F)
+}
\ No newline at end of file