* chronos display putchar included

chronos/Jamfile

@@ -2,7 +2,7 @@ SubDir TOP board chronos ;
 
 HDRS += $(TOP)/board/$(CPU)/include ;
 
-Module board : debug_uart.c board_init.c ;
+Module board : putchar.c board_init.c ;
 UseModule board ;
 
 SubInclude TOP board $(BOARD) drivers ;

chronos/drivers/Jamfile

@@ -5,3 +5,5 @@ HDRS += $(TOP)/board/$(CPU)/drivers/include ;
 Module board_display : display.c display1.c ;
 Module board_cc110x : cc430-cc110x.c : cc110x_cc430 ;
 Module board_buzzer : buzzer.c : hwtimer ;
+
+Module display_putchar : display_putchar.c : board_display ;

chronos/drivers/display_putchar.c

@@ -0,0 +1,42 @@
+#include <stdio.h>
+#include <display.h>
+#include <string.h>
+
+extern int toupper(int c);
+extern void (*_putchar)(int c);
+
+static char display_buf[11];
+
+void putchar_to_display();
+
+void init_display_putchar() {
+  memset(display_buf, '\0', 11);
+  _putchar = putchar_to_display;
+}
+
+void putchar_to_display(int c) {
+    if (c == '\n') {
+        display_buf[4] = 1;
+        return;
+    }
+
+    if (display_buf[4]) {
+        memset(display_buf, '\0', 11);
+    } else {
+        display_buf[0] = display_buf[1];
+        display_buf[1] = display_buf[2];
+        display_buf[2] = display_buf[3];
+        display_buf[3] = display_buf[5];
+        display_buf[5] = display_buf[6];
+        display_buf[6] = display_buf[7];
+        display_buf[7] = display_buf[8];
+        display_buf[8] = display_buf[9];
+    }
+
+    display_buf[9] = toupper(c);
+
+    clear_display_all();
+
+    display_chars(LCD_SEG_L1_3_0, display_buf, SEG_ON);
+    display_chars(LCD_SEG_L2_5_0, display_buf+4, SEG_ON);
+}

chronos/drivers/include/display_putchar.h

@@ -0,0 +1,6 @@
+#ifndef __DISPLAY_PUTCHAR_H
+#define __DISPLAY_PUTCHAR_H 
+
+void init_display_putchar();
+
+#endif /* __DISPLAY_PUTCHAR_H */

chronos/putchar.c

@@ -0,0 +1,11 @@
+static void _dummy(int c) {
+}
+
+void (*_putchar)(int c) = _dummy;
+
+int putchar(int c)
+{
+    _putchar(c);
+    return c;
+}
+

msb-430-common/putchar.c

@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+void (_putchar(int)) = uart1_putchar;
+
+void putchar(int c) {
+    _putchar(c);
+}