[ion] Add stdio console

Change-Id: If608587fb88912c887a26fb1ba729740357d39c9

ion/src/blackbox/Makefile

@@ -1,5 +1,7 @@
 objs += $(addprefix ion/src/blackbox/, boot.o ion.o)
 objs += $(addprefix ion/src/shared/, \
+  console_line.o \
+  console_stdio.o \
   crc32.o \
   events.o \
   events_stdin.o \
@@ -7,5 +9,6 @@ objs += $(addprefix ion/src/shared/, \
 )
 
 ion/src/shared/log_printf.o: SFLAGS=-Iion/include
+ion/src/shared/console_stdio.o: SFLAGS=-Iion/include
 ion/src/shared/events_stdin.o: SFLAGS=-Iion/include
 ion/src/shared/random.o: SFLAGS=-Iion/include

ion/src/shared/console_stdio.cpp

@@ -0,0 +1,17 @@
+#include <ion/console.h>
+#include <stdio.h>
+
+namespace Ion {
+namespace Console {
+
+char readChar() {
+  return getchar();
+}
+
+void writeChar(char c) {
+  printf("%c", c);
+  fflush(stdout);
+}
+
+}
+}

ion/src/simulator/Makefile

@@ -9,6 +9,8 @@ objs += $(addprefix ion/src/simulator/keyboard/, fltkkbd.o)
 
 objs += $(addprefix ion/src/shared/, \
   crc32.o \
+  console_line.o \
+  console_stdio.o \
   events_keyboard.o \
   power.o \
   random.o \