Revision 0:ff450242c93e, committed 2016-10-12

Comitter:

InoueTakashi

Date:

Wed Oct 12 07:14:00 2016 +0000

Commit message:

Nucleo-F401RE Serial Send & Recieve Sample.Ver1.0

Changed in this revision

diff -r 000000000000 -r ff450242c93e main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Oct 12 07:14:00 2016 +0000
@@ -0,0 +1,87 @@
+#include "mbed.h"
+
+DigitalOut myled(LED1);
+Timer tmr;
+Serial pc(USBTX,USBRX);
+
+#define RCV_MAX 32
+
+int idx = 0;
+unsigned char rcv_ary[RCV_MAX+1];
+
+//Serial recieve callback function
+void callback() {
+    rcv_ary[idx++] = pc.getc();
+    if( idx >= RCV_MAX )    idx = RCV_MAX - 1;
+}
+
+//clear recieve array
+void clr_rcvary()
+{
+   int i;
+    for(i=0; i<=RCV_MAX; i++)    {
+        rcv_ary[i] = '\0';
+    } 
+    idx = 0;   
+}
+
+//main function
+int main() {
+    
+    int d_num = 0;
+    bool sio_data_flg = false;
+ 
+    clr_rcvary();
+    
+    pc.attach(&callback);   //set callback function
+    
+    myled = 0;
+ 
+    pc.baud(115200);                  //baudrate=115200
+    pc.format(8,SerialBase::None,1);    //data length=8, parity=none, stopbit=1
+    
+   
+    tmr.reset();
+    tmr.start();
+            
+    while(1) {
+        if ( tmr.read_ms() >= 100 )  {
+            tmr.stop();
+ 
+            //every 100 ms processing 
+            if( rcv_ary[0] != '\0' )  {
+                if( rcv_ary[0]=='B' && rcv_ary[1]=='G' && rcv_ary[2]=='N' && rcv_ary[3]=='\r')    {
+                    sio_data_flg = true;
+                    pc.printf("ACK\r\n");
+                }
+                else if( rcv_ary[0]=='S' && rcv_ary[1]=='T' && rcv_ary[2]=='P' && rcv_ary[3]=='\r')    {
+                    sio_data_flg = false;
+                    pc.printf("ACK\r\n");
+                }
+                else    {
+                    pc.printf("NAK\r\n");
+                }
+                clr_rcvary();                
+            }
+       
+            tmr.reset();
+            tmr.start();
+        }
+
+        if( sio_data_flg )  {        
+            pc.printf("D%03d\r\n", d_num++);     //send data
+            if( d_num > 999 )   d_num = 0;
+            myled = 0;
+            wait_ms(200);
+            myled = 1;
+            wait_ms(800);
+        }
+        else    {
+            myled = 0;
+            wait_ms(1000);
+            myled = 1;
+            wait_ms(1000);                     
+        }
+ 
+    }
+}

diff -r 000000000000 -r ff450242c93e mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed Oct 12 07:14:00 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/25aea2a3f4e3
\ No newline at end of file