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 *
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 *
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 *    Copyright Pico Technology Ltd 1995-2015
 *
 * 
 *    For sales and general information visit
 *    https://www.picotech.com   <!-- m --><a class="postlink" href="https://www.picoauto.com">https://www.picoauto.com</a><!-- m -->
 *    
 *    For help and support visit
 *    https://www.picotech.com/tech-support
 * 
 *    If you have what it takes to join us visit
 *    http://pico.jobs/
 *
 *
 * Descrition
 *   C Example Program using the USB TC-08 driver
 *
 **************************************************************************/

#include "usbtc08.h"
#include <windows.h>
#include <stdio.h>


int main(void)
{
    short handle = 0;     /* The handle to a TC-08 returned by usb_tc08_open_unit() */
    char selection = 0;   /* User selection from teh main menu */
    float temp[9];        /* Buffer to store temperature readings from the TC-08 */
    int channel, reading; /* Loop counters */
    int retVal = 0;       /* Return value from driver calls indication success / error */
    USBTC08_INFO unitInfo;/* Struct to hold unit information */
    
    
    /* Print header information */
    printf ("Pico Technology USB TC-08 Console Example Program\n");
    printf ("-------------------------------------------------\n\n");
    printf ("Looking for USB TC-08 devices on the system\n\n");
    printf ("Progress: ");
    
    
    /* Try to open one USB TC-08 unit, if available 
     * The simplest way to open the unit like is this:
     *   handle = usb_tc08_open_unit();
     * but that will cause your program to wait while the driver downloads
     * firmware to any connected TC-08 units. If you're making an 
     * interactive application, it's better to use 
     * usb_tc08_open_unit_async() which returns immediately and allows you to 
     * display some sort of progress indication to the user as shown below: 
     */
    retVal = usb_tc08_open_unit_async();
    
    /* Make sure no errors occurred opening the unit */
    if (!retVal) {
        printf ("\n\nError opening unit. Exiting.\n");
        return -1;
    }
    /* Display a text "progress bar" while waiting for the unit to open */
    while ((retVal = usb_tc08_open_unit_progress(&handle,NULL)) == USBTC08_PROGRESS_PENDING)
    {
        /* Update our "progress bar" */
        printf("|");
        fflush(stdout);
        Sleep(200);
    }
        
    /* Determine whether a unit has been opened */
    if (retVal != USBTC08_PROGRESS_COMPLETE || handle <= 0) {
        printf ("\n\nNo USB TC-08 units could be opened. Exiting.\n");
        return -1;
    } else {
        printf ("\n\nUSB TC-08 opened successfully.\n");
    }
    
    /* Get the unit information */
    unitInfo.size = sizeof(unitInfo);
    usb_tc08_get_unit_info(handle, &unitInfo);
    
    printf("\nUnit information:\n");
    printf("Serial: %s \nCal date: %s \n", unitInfo.szSerial, unitInfo.szCalDate);

    /* Set up all channels */
    retVal = usb_tc08_set_channel(handle, 0,'C');
    for (channel = 1; channel < 9; channel++)
        retVal &= usb_tc08_set_channel(handle, channel,'K');
    
    /* Make sure this was successful */
    if (retVal){
        printf("\nEnabled all channels, selected Type K thermocouple.\n");
    } else {
        printf ("\n\nError setting up channels. Exiting.\n");
        usb_tc08_close_unit(handle);
        return -1;
    }
    
    /* Main menu loop */
    do {
        printf("\nPlease enter one of the following commands\n");
        printf("------------------------------------------\n\n");
        printf("S - Single reading on all channels\n");
        printf("C - Continuous reading on all channels\n");
        printf("X - Close the USB TC08 and exit \n");
        
        while (0 == scanf_s(" %c", &selection))
            ; /* Do nothing until a character is entered */ 
        
        switch (selection) {
        
        case 'S':
        case 's': /* Single reading mode */
            printf("Getting single reading...");
            fflush(stdout);
            /* Request the reading */
            usb_tc08_get_single(handle, temp, NULL, USBTC08_UNITS_CENTIGRADE);
            printf(" done!\nCJC      : %3.2f C\n", temp[0]);
            for (channel = 1; channel < 9; channel++)
                printf("Channel %d: %3.2f C\n", channel, temp[channel]);
            break;
            
        
        case 'C':
        case 'c': /* Continuous (Streaming) mode */
            printf("Entering streaming mode. Collecting 10 readings.\n");
            printf("  CJC    Ch1    Ch2    Ch3    Ch4    Ch5    Ch6    Ch7    Ch8\n");
            /* Set the unit running */
            usb_tc08_run(handle, usb_tc08_get_minimum_interval_ms(handle));
            for (reading = 0; reading < 10; reading++){

                for (channel = 0; channel < 9; channel++) {
                
                    /* Wait for a reading to be available */
                    while (0 == (retVal = usb_tc08_get_temp(handle, temp, NULL, 1, NULL, 
                            channel, USBTC08_UNITS_CENTIGRADE, 1))){
                        Sleep(100); // Wait for a reading or error
                    }
                    /* Must check for errors (e.g. device could be unplugged) */
                    if (retVal < 0) {
                        printf ("\n\nError while streaming.\n");
                        usb_tc08_stop(handle);
                        return -1;
                    }
                    printf("%6.2f ", temp[0]);
                }
                printf("\n");
            }
            usb_tc08_stop(handle);
            break;
        }
        
    } while (selection != 'X' && selection != 'x');
    
    /* Close the TC-08 */
    usb_tc08_close_unit(handle);
    
    return 0;
}

#pragma BEGINDUMP

#include "usbtc08.h"
#include <windows.h>
#include <stdio.h>
#include <hbapi.h>

HB_FUNC( USB_TC08_OPEN_UNIT_ASYNC )
{
   hb_retnll( usb_tc08_open_unit_async() );
}

#pragma ENDDUMP