Diff: 2_main.cpp

Revision:

0:98865e300cd5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/2_main.cpp	Sun May 10 08:15:36 2020 +0000
@@ -0,0 +1,79 @@
+/*
+ * Mbed Application program
+ *  SoftSerial(also BufferedSoftSerial) function test programs
+ *  UART 3 channels
+ *      (1) Mbed Serial communication line as "pc"
+ *      (2) CPU another UART channel as "ser"
+ *      (3) Software Serial channel as "dev"
+ *
+ * Copyright (c) 2020 Kenji Arai / JH1PJL
+ *  http://www7b.biglobe.ne.jp/~kenjia/
+ *  https://os.mbed.com/users/kenjiArai/
+ *      Created:    May        9th, 2020
+ *      Revised:    May       10th, 2020
+ */
+
+/*
+    Tested board on OS5.15.3
+        Nucleo-F446RE, Nucleo-L432KC
+ */
+
+//  Pre-selection --------------------------------------------------------------
+#include    "select_example.h"
+//#define EXAMPLE_2
+#ifdef EXAMPLE_2
+#warning "Select 2"
+
+//  Include --------------------------------------------------------------------
+#include "mbed.h"
+#include "BufferedSoftSerial.h"
+
+//  Definition -----------------------------------------------------------------
+#define BEFFERED    1
+    
+//  Constructor ----------------------------------------------------------------
+#if defined(TARGET_NUCLEO_L432KC)
+DigitalOut test_point(D12);
+Serial ser(D5, D4, 9600);
+#   if BEFFERED
+    BufferedSoftSerial dev(D6,D3);
+#   else
+    SoftSerial dev(D6,D3);
+#   endif
+#elif defined(TARGET_NUCLEO_F446RE)
+DigitalOut test_point(A0);
+Serial ser(D8, D2, 9600);
+#   if BEFFERED
+    BufferedSoftSerial dev(D4,D3);
+#   else
+    SoftSerial dev(D4,D3);
+#   endif
+#endif
+Serial pc(USBTX,USBRX, 9600);
+
+//  RAM ------------------------------------------------------------------------
+
+//  ROM / Constant data --------------------------------------------------------
+
+//  Function prototypes --------------------------------------------------------
+
+//------------------------------------------------------------------------------
+//  Control Program
+//------------------------------------------------------------------------------
+/*
+    UART 3 channels
+        (1) Mbed Serial communication line as "pc"
+        (2) CPU another UART channel as "ser"
+        (3) Software Serial channel as "dev"
+ */
+int main()
+{
+    while(true) {
+        char c = dev.getc();// get serial data
+        dev.putc(c);        // echo back to softserial port
+        ser.putc(c);        // another UART
+        pc.putc(c);         // Mbed Serial
+    }
+}
+
+#endif //#ifdef EXAMPLE_2
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