File content as of revision 1:2ca85ee43b49:

// 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 HEX_PANE    0
#define ASC_PANE    60

#define BAUD (115200)

#define RED     (0xff0000)
#define LT_RED  (0xffa0a0)
#define BLUE    (0x0000ff)
#define LT_BLUE (0xa0a0ff)
#define GREEN   (0x00ff00)
#define YELLOW  (0xffff00)
#define WHITE   (0xffffff)


#define COLOR_IN_ASC    BLUE
#define COLOR_IN_HEX    BLUE
#define COLOR_OUT_ASC   RED
#define COLOR_OUT_HEX   RED

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;
    int col=0,row=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.printf("\033[49m");
    pc.cls();
    pc.foreground(GREEN);
    //pc.background(WHITE);
    pc.locate(0,0);
    pc.printf("==== Snoop dog ready... ===\n");

    col = 0;
    pc.printf("\033[48;5;249m");
    while(1)
    {
    //}
        ledCTS = !nCTS;
        ledRTS = !nRTS;
    
        if (r8.readable() || wt.readable() )
        {
            if ( r8.readable()  )
            {
                c = r8.getc();
                pc.locate(HEX_PANE + col*3,1+row);
                pc.foreground(COLOR_OUT_HEX);
                pc.printf("%02X ",c);
                pc.locate(ASC_PANE + col,1+row);
                if (c >=0x20 && c<=0x80)
                {
                    pc.putc(c);
                }else{
                    pc.putc('.');
                }
            }else{
                pc.locate(HEX_PANE + col*3,1+row);
                pc.foreground(COLOR_OUT_HEX);
                pc.printf("   ");
                pc.locate(ASC_PANE + col,1+row);
                pc.printf(" ");
            }
                 
            if ( wt.readable()  )
            {
                c = wt.getc();
                pc.locate(HEX_PANE + col*3,2+row);
                pc.foreground(COLOR_IN_HEX);
                pc.printf("%02X ",c);
                pc.locate(ASC_PANE + col,2+row);
                if (c >=0x20 && c<=0x80)
                {
                    pc.putc(c);
                }else{
                    pc.putc('.');
                }
            }else{
                pc.locate(HEX_PANE + col*3,2+row);
                pc.foreground(COLOR_IN_HEX);
                pc.printf("   ");
                pc.locate(ASC_PANE + col,2+row);
                pc.printf(" ");
            }
            
            
            if ( col++ > 15)
            {
                static int alt = 0;
                
                col = 0;
                if ( row < 40 )
                    row += 2;
                else
                {
                    pc.printf("\033[49m");
                    pc.printf("\033[2S");
                }
                   
                if (alt++ % 2)
                    pc.printf("\033[48;5;249m");
                else
                    pc.printf("\033[48;5;253m");

            }
        }
    }
}