Revision 4:9d99684c6373, committed 2020-08-08

Comitter:

kenjiArai

Date:

Sat Aug 08 04:20:39 2020 +0000

Parent:

3:031024851a8d

Child:

5:9b4d9c139186

Commit message:

changed UART I/F, redirect to stdio

Changed in this revision

--- a/main.cpp	Wed Aug 05 05:11:23 2020 +0000
+++ b/main.cpp	Sat Aug 08 04:20:39 2020 +0000
@@ -6,7 +6,7 @@
  *  https://os.mbed.com/users/kenjiArai/
  *      Created: September 14th, 2014
  *      Revised: September 21st, 2014
- *      Revised: August     5th, 2020
+ *      Revised: August     8th, 2020
  */
 /*
     Tested LCD
@@ -27,6 +27,7 @@
 //  Include --------------------------------------------------------------------
 #include    "mbed.h"
 #include    "ST7565_SPI_LCD.h"
+#include    "redirect_stdio.h"
 
 //  Definition -----------------------------------------------------------------
 //#define AITENDO
@@ -49,8 +50,7 @@
 //  Object ---------------------------------------------------------------------
 // LED
 DigitalOut  myled(dp28);
-// com
-BufferedSerial pc(dp16,dp15);
+
 // SPI LCD
 #if defined(AITENDO)
 #   if 1
@@ -147,21 +147,3 @@
         lcd.printf("JH1PJL" );
     }
 }
-
-uint8_t getc(void)
-{
-    uint8_t bf;
-    pc.read(&bf,1);
-    return bf;
-}
-
-void putc(uint8_t c)
-{
-    uint8_t bf = c;
-    pc.write(&bf,1);
-}
-
-FileHandle *mbed::mbed_override_console(int fd)
-{
-    return &pc;
-}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/redirect_stdio/redirect_stdio.cpp	Sat Aug 08 04:20:39 2020 +0000
@@ -0,0 +1,21 @@
+/*
+ * mbed Application program
+ *      Redirect Standard Input/Output
+ *
+ * Copyright (c) 2020 Kenji Arai / JH1PJL
+ *  http://www7b.biglobe.ne.jp/~kenjia/
+ *  https://os.mbed.com/users/kenjiArai/
+ *      Created: August     7th, 2020
+ *      Revised: August     7th, 2020
+ */
+
+#include "mbed.h"
+
+// Create a BufferedSerial object to be used by the system I/O retarget code
+BufferedSerial pc(USBTX, USBRX, 9600);
+
+//  the system I/O retarget
+FileHandle *mbed::mbed_override_console(int fd)
+{
+    return &pc;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/redirect_stdio/redirect_stdio.h	Sat Aug 08 04:20:39 2020 +0000
@@ -0,0 +1,36 @@
+/*
+ * mbed Application program
+ *      Redirect Standard Input/Output
+ *
+ * Copyright (c) 2020 Kenji Arai / JH1PJL
+ *  http://www7b.biglobe.ne.jp/~kenjia/
+ *  https://os.mbed.com/users/kenjiArai/
+ *      Created: August     7th, 2020
+ *      Revised: August     7th, 2020
+ */
+
+extern BufferedSerial pc;
+
+FileHandle *mbed::mbed_override_console(int fd);
+
+inline uint8_t readable(void)
+{
+    return pc.readable();
+}
+
+inline void putc(uint8_t c)
+{
+    char dt = c;
+    pc.write(&dt, 1);
+}
+
+inline uint8_t getc(void)
+{
+    int c = getchar();
+    return (uint8_t)c;
+}
+
+inline void puts_wo_cr(char *bf, uint32_t len)
+{
+    pc.write(bf, len);
+}