Lahis Almeida
In the mbed documentation LPC1768 there are many examples of serial communication implemented in a structured and disorganized way. So, I decided to make it very practical and reusable for other users who need to use this feature. For this, I created my own library based on the OO paradigm.
In the mbed documentation LPC1768 there are many examples of serial communication implemented in a structured and disorganized way. So, I decided to make it very practical and reusable for other users who need to use this feature. For this, I created my own library based on the OO paradigm.
Revision 0:78c623c147d2, committed 2017-09-05
- Comitter:
- waspSalander
- Date:
- Tue Sep 05 22:36:20 2017 +0000
- Commit message:
- My own Serial Communication library.
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/SerialCommunication.cpp Tue Sep 05 22:36:20 2017 +0000
@@ -0,0 +1,38 @@
+#include "SerialCommunication.h"
+
+SerialCommunication::SerialCommunication(PinName tx, PinName rx, int baudRate): tx(tx), rx(rx){
+ serial = new Serial(tx, rx); // tx, rx
+ serial->baud(baudRate);
+ messageLength = 4; // tam palavra + 1 ('\n')
+
+ debug = new DigitalOut(LED1); // debug send info
+}
+
+
+int SerialCommunication::ReceiveCommand(){ // RECEIVE INFO
+
+ char commandReceived[messageLength];
+
+
+ if(serial->readable()){
+ serial->gets(commandReceived,messageLength);
+
+ if (strcmp(commandReceived, "s0b") == 0){ //s0b : ex de palavra q desejo receber"
+ return 1;
+ }
+ }
+ return 0;
+}
+
+
+void SerialCommunication::SendCommand(string commandSended){ // SEND INFO
+
+ // SEND INFO
+ //while(1){
+ serial->printf("%s",commandSended);
+ debug->write(1);
+ wait(DELAY_COMMAND);
+ debug->write(0);
+ wait(DELAY_COMMAND);
+ //}
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/SerialCommunication.h Tue Sep 05 22:36:20 2017 +0000
@@ -0,0 +1,41 @@
+
+#ifndef SERIAL_COMMUNICATION_H
+#define SERIAL_COMMUNICATION_H
+
+#include "mbed.h"
+#include <string.h>
+#include <string>
+#include <iostream>
+
+
+#define DELAY_COMMAND 0.5
+#define DEBUG_SERIAL_COMUNNICATION 1
+
+using namespace std;
+
+
+class SerialCommunication{
+
+ public:
+ SerialCommunication(PinName tx, PinName rx, int baudRate);
+
+ int ReceiveCommand();
+ void SendCommand(string commandSended);
+
+
+ private:
+ Serial *serial;
+
+ DigitalOut tx;
+ DigitalOut rx;
+ DigitalOut *debug;
+
+ int baudRate;
+ int messageLength;
+
+};
+
+#endif
+
+
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Sep 05 22:36:20 2017 +0000
@@ -0,0 +1,19 @@
+#include "mbed.h"
+#include "SerialCommunication.h"
+
+DigitalOut myled(LED1);
+SerialCommunication *serialCommunication = new SerialCommunication(p9,p10,115200);
+
+int main() {
+ int commandReceived = 0;
+
+ while(1){
+ commandReceived = serialCommunication->ReceiveCommand();
+ if (commandReceived == 1){ // informação correta recebida
+ myled = 1;
+ break;
+ }
+
+ }
+
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Sep 05 22:36:20 2017 +0000 @@ -0,0 +1,1 @@ +https://mbed.org/users/mbed_official/code/mbed/builds/e2bfab296f20 \ No newline at end of file