Chris BAYLEY
Serial UART snooper. Connect RX and TX of the UUT to 2 x RX pins on mbed to inspect the traffic in both directions
Dependencies: MODSERIAL Terminal mbed
Revision 0:cb9d37ec851e, committed 2012-07-13
- Comitter:
- cbayley
- Date:
- Fri Jul 13 03:39:47 2012 +0000
- Child:
- 1:2ca85ee43b49
- Commit message:
- Version 1
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MODSERIAL.lib Fri Jul 13 03:39:47 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/AjK/code/MODSERIAL/#af2af4c61c2f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Terminal.lib Fri Jul 13 03:39:47 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/simon/code/Terminal/#85184c13476c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Jul 13 03:39:47 2012 +0000
@@ -0,0 +1,163 @@
+// Relay bytes received as SPI slave to PC-USB-Serial
+
+#include "mbed.h"
+#include "Terminal.h"
+#include "MODSERIAL.h"
+
+#define SHOW_HEX 1
+
+Terminal pc(USBTX,NC);
+//Serial r8(NC,p10);
+//Serial wt(NC,p14);
+
+MODSERIAL wt(NC,p10,2048);
+MODSERIAL r8(NC,p14,2048);
+//Serial pc(USBTX,NC);
+DigitalOut ledCTS(LED1);
+DigitalOut ledRTS(LED2);
+//DigitalOut ledOV(LED4);
+Timeout toCTSLed;
+Timeout toRTSLed;
+/*InterruptIn nCTS(p11);
+InterruptIn nRTS(p12);
+*/
+DigitalIn nCTS(p18);
+DigitalIn nRTS(p19);
+
+
+#define BAUD (115200)
+
+#define RED (0xff0000)
+#define LT_RED (0xffa0a0)
+#define BLUE (0x0000ff)
+#define LT_BLUE (0xa0a0ff)
+#define GREEN (0x00ff00)
+#define YELLOW (0xffff00)
+
+
+#define COLOR_IN_ASC BLUE
+#define COLOR_IN_HEX GREEN
+#define COLOR_OUT_ASC RED
+#define COLOR_OUT_HEX YELLOW
+
+void offCTSLed(void)
+{
+ ledCTS = 0;
+}
+
+void onCTSLed(void)
+{
+ ledCTS = 1;
+ toCTSLed.attach(offCTSLed,0.1);
+}
+
+void offRTSLed(void)
+{
+ ledRTS = 0;
+}
+
+void onRTSLed(void)
+{
+ ledRTS = 1;
+ toRTSLed.attach(offRTSLed,0.1);
+}
+
+void ctsFall(void)
+{
+ onCTSLed();
+}
+
+void rtsFall(void)
+{
+ onRTSLed();
+}
+
+// This function is called when a character goes into the RX buffer.
+void rxCallbackWT(MODSERIAL_IRQ_INFO *q) {
+ //led3 = !led3;
+ pc.foreground(COLOR_IN_ASC);
+ pc.putc(wt.getc());
+}
+void rxCallbackR8(MODSERIAL_IRQ_INFO *q) {
+ //led3 = !led3;
+ pc.foreground(COLOR_OUT_ASC);
+ pc.putc(r8.getc());
+}
+
+int main()
+{
+ char c=0;
+ pc.baud(BAUD);
+ wt.baud(BAUD);
+ r8.baud(BAUD);
+
+ nCTS.mode(PullUp);
+ nRTS.mode(PullUp);
+ /*nCTS.fall(ctsFall);
+ nRTS.fall(rtsFall);
+*/
+
+
+
+ // wt.attach(&rxCallbackWT, MODSERIAL::RxIrq);
+ // r8.attach(&rxCallbackR8, MODSERIAL::RxIrq);
+
+
+ pc.foreground(GREEN);
+ pc.printf("\n==== Snoop dog ready... ===\n");
+
+ while(1)
+ {
+ //}
+ ledCTS = !nCTS;
+ ledRTS = !nRTS;
+
+ if ( r8.readable() )
+ {
+ while ( r8.readable() /*&& c != '\r' */)
+ {
+ c = r8.getc();
+ #if SHOW_HEX
+ pc.foreground(COLOR_OUT_HEX);
+ pc.printf("%02X",c);
+ #endif
+ if (c >=0x20 && c<=0x80)
+ {
+ pc.foreground(COLOR_OUT_ASC);
+ pc.putc(c);
+ }
+ else if ( /*c == '\r' ||*/ c== '\n' )
+ pc.putc(c);
+ else
+ pc.putc(' ');
+
+
+
+ }
+ c=NULL;
+ }
+ if ( wt.readable() )
+ {
+ while ( wt.readable() /*&& c!='\r'*/ )
+ {
+ c = wt.getc();
+ #if SHOW_HEX
+ pc.foreground(COLOR_IN_HEX);
+ pc.printf("%02X",c);
+ #endif
+ if (c >=0x20 && c<=0x80)
+ {
+ pc.foreground(COLOR_IN_ASC);
+ pc.putc(c);
+ }
+ else if ( /*c == '\r' ||*/ c== '\n' )
+ pc.putc(c);
+ else
+ pc.putc(' ');
+
+ }
+ c=NULL;
+ }
+ }
+ //*/
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Jul 13 03:39:47 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/4c0c40fd0593 \ No newline at end of file