File content as of revision 0:92dd9611bf80:

#include "mbed.h"


Serial pc(USBTX, USBRX);

DigitalOut led1(LED1);
DigitalOut led2(LED2);
DigitalOut led3(LED3);
DigitalOut led4(LED4);
AnalogIn adc_hma(p17);

uint16_t  T_hma_u16[2][4096];
uint16_t index_hma_write=0;

uint16_t index_hma_read=0;
bool t_write=0;
char str[256];
uint8_t start_str=0;
bool flag_write_USB=0;
Ticker flipperADC;

void flipADC()
{
led4=1;
    T_hma_u16[t_write][index_hma_write++]=adc_hma.read_u16(); //read ADC
    //T_hma_u16[t_write][index_hma_write++]=0x00FF;
  
    if(index_hma_write>1000) {
        flag_write_USB=1;
        t_write=!t_write; //toggel buffer
        index_hma_read=--index_hma_write;
        index_hma_write=0;
    }
    led4=0;
}

Ticker flipperUSB;
void flipUSB()
{

    flag_write_USB=1;

}

void pc_rx(void)
{


    for(; pc.readable()==true; ++start_str) {
        str[start_str]=pc.getc();
    }

    if( strcmp(str,"*IDN?\r")==0 || strcmp(str,"*ID?")==0) {
        pc.printf("HMA\r");
        start_str=0;
        for(int i=0; i<256; ++i) {
            str[i]='\0';

        }
        led4=1;
        led2=0;
        led3=0;
    } else if( strcmp(str,"MEASure")==0 || strcmp(str,"MEAS")==0 || strcmp(str,"measure")==0) {
        for(int i=0; i<256; ++i) {
            str[i]='\0';

        }
        flipperADC.attach_us(&flipADC, 1000); //500us
        led4=0;
        led2=1;
        led3=0;

    } else if( strcmp(str,"ABORt")==0 || strcmp(str,"ABOR")==0 || strcmp(str,"ABORT")==0) {
        for(int i=0; i<256; ++i) {
            str[i]='\0';

        }
        flipperADC.detach();
        t_write=0;
        index_hma_read=0;
        index_hma_write=0;
        led4=0;
        led2=0;
        led3=1;
    }
    for(int i=0; i<start_str; ++i) {
        if(str[i]=='\r') {
            for(int j=0; j<256; ++j) {
                str[j]='\0';

            }
             start_str=0;
            
        }
       
    }


}

int main()
{

    pc.baud(460800);
    for(int i=0; i<256; ++i) {
        str[i]='\0';

    }
    //RUN ADC

//    flipperADC.attach_us(&flipADC, 500); //500us
//    flipperUSB.attach(&flipUSB,0.5); //500ms

    while(1) {
    led1=0;
        if (pc.readable()) {
            pc_rx();
        }
        if(flag_write_USB==1) {
            flag_write_USB=0;
            led1=1;

            pc.printf("%04d\0",index_hma_read);

            char* ptr=(char*)&T_hma_u16[!t_write][0];

            for(uint16_t i=0; i<index_hma_read; ++i) {
                pc.putc(*ptr++);
                pc.putc(*ptr++);
            }

        }



    }
}