Simply UART communication for STM32F0 Discovery using mbed. Received char is sent back to the computer.

Dependencies:   mbed

Revision:
2:3f9a1eb39b79
Parent:
1:2cae2115481a
Child:
3:edbb83dae353
--- a/main.cpp	Sun Mar 22 12:17:15 2015 +0000
+++ b/main.cpp	Sat Apr 04 11:15:32 2015 +0000
@@ -38,7 +38,18 @@
 // Hyperterminal configuration is default
 // 9600 bauds, 8-bit data, no parity
 //--------------------------------------
-
+// Communication settings:
+// pc.format(bits,parity,stop_bits)
+//      bits: 5-8
+//      parity: SerialBase::None, SerialBase::Odd, SerialBase::Even, SerialBase::Forced1, SerialBase::Forced0
+//      stop_bits: 1 or 2
+// pc.baudrate(baud)
+//      baud: The desired baudrate (speed)
+//--------------------------------------
+// Example for default settings:
+// pc.format(8,SerialBase::None,1);   
+// pc.baud(9600);                
+//--------------------------------------
 
 /* Functions----------------------------------------------------------------------*/
 
@@ -48,11 +59,11 @@
 * Input          : None
 * Output         : None.
 * Return         : None
-*******************************************************************************/ 
+*******************************************************************************/
 
 void serialRx()
 {
-    while(pc.readable()) {              // while there is a character available to read. 
+    while(pc.readable()) {              // while there is a character available to read.
         char c=pc.getc();               // receive the charracter
         buffer[received++]=c;           // save the charracter to the next place in buffer, increments number of received charracters
     }
@@ -69,7 +80,7 @@
 {
     int i = 1;                                                                          // inkrements every second
     pc.printf("Program started !\r\n");                                                 // text displayed on a computer
-    pc.attach(&serialRx,Serial::RxIrq);                                                 // Attach a function serialRx to call whenever a serial interrupt is generated 
+    pc.attach(&serialRx,Serial::RxIrq);                                                 // Attach a function serialRx to call whenever a serial interrupt is generated
     while(1) {
         while(sent<received) {                                                          // while the number of received characters is greater than the number of sent characters
             pc.printf("Received char: %c (%d).\r\n", buffer[sent],(int)buffer[sent]);   // send the character and the character number