wireless sensor
/
Serial_read_write
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Dependencies: mbed
Fork of
DataLoggerRS232trial
by 
Terry Tam
Revision 0:87fb6735eb09, committed 2014-06-16
- Comitter:
- terrytamyh
- Date:
- Mon Jun 16 23:05:40 2014 +0000
- Child:
- 1:875d121e9ce9
- Commit message:
- Sample RS232 class lib inherits Serial Class
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/DataLoggerRS232/DataLoggerRS232.cpp Mon Jun 16 23:05:40 2014 +0000
@@ -0,0 +1,51 @@
+#include "mbed.h"
+#include "DataLoggerRS232.h"
+
+
+DataLoggerRS232::DataLoggerRS232(PinName tx, PinName rx, const char* name) : Serial(tx, rx, name) {
+ printf("Here!! \r\n");
+ // set up ring buffer
+ ringBuffer = new char[65536];
+ // pointer to first sample
+ rHead = ringBuffer;
+ // pointer to indicate position in the Ring Buffer
+ rPos = ringBuffer;
+ // pointer to indicate display position in the Ring Buffer
+ rDisplay = ringBuffer;
+
+ printf("DataLogger_RS232 Ring Buffer setup complete!\r\n");
+}
+
+void DataLoggerRS232::get_ECU_databyte() {
+
+ while(Serial::readable()) {
+
+ MSserial = Serial::getc();
+ // save the sample into ring buffer
+ if( rPos == &ringBuffer[65535] )
+ rPos = ringBuffer;
+ else
+ rPos++;
+
+ *rPos = MSserial;
+
+ count++;
+ }
+ printf("get_ECU_databyte !!\r\n");
+}
+
+void DataLoggerRS232::display_ECU_databyte() {
+
+ while (rDisplay != rPos) {
+ printf("%d, %X\n\r",count,rDisplay);
+ if( rDisplay == &ringBuffer[65535] )
+ rDisplay = ringBuffer;
+ else
+ rDisplay++;
+ }
+ printf("display_ECU_databyte !!\r\n");
+}
+
+
+DataLoggerRS232::~DataLoggerRS232() {
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/DataLoggerRS232/DataLoggerRS232.h Mon Jun 16 23:05:40 2014 +0000
@@ -0,0 +1,33 @@
+#include "mbed.h"
+
+#ifndef DataLogger_RS232_H_
+#define DataLogger_RS232_H_
+
+class DataLoggerRS232 : public Serial
+{
+public:
+
+ DataLoggerRS232(PinName tx,PinName rx, const char* name=NULL);
+
+ virtual ~DataLoggerRS232();
+
+ int count;
+ void get_ECU_databyte();
+ void display_ECU_databyte();
+
+private:
+
+ // Serial serial;
+
+ char c;
+ char MSserial;
+
+ char* ringBuffer;
+ char* rHead;
+ char* rPos;
+ char* rDisplay;
+
+
+};
+
+#endif // DataLogger_RS232_H_
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Jun 16 23:05:40 2014 +0000
@@ -0,0 +1,28 @@
+#include "mbed.h"
+#include "DataLoggerRS232.h"
+
+Serial pc (USBTX, USBRX); // tx, rx
+DataLoggerRS232 dataLogger (p9,p10); // tx, rx
+
+char DLcommand;
+
+int main() {
+
+ pc.baud(115200);
+ pc.printf("PC and Datalogger serial set up complete !!\n\r");
+ dataLogger.baud(115200);
+ pc.printf("Here !!\n\r");
+
+ while(1) {
+ if(pc.readable()) {
+
+ dataLogger.count = 0;
+ DLcommand = pc.getc();
+ pc.printf("\n\r%c\n\r",DLcommand);
+
+ dataLogger.putc(DLcommand);
+ dataLogger.get_ECU_databyte();
+ }
+ dataLogger.display_ECU_databyte();
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon Jun 16 23:05:40 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/0b3ab51c8877 \ No newline at end of file