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clcc.c File Reference
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <usb.h>
#include <argtable2.h>
#include "../firmware/globals.h"
Include dependency graph for clcc.c:

Functions

void lc_setFrame (unsigned long)
 The setFrame function.
void lc_setMode (int)
 The setMode function.
void lc_saveFrame (unsigned long, int)
void lc_init (void)
 The init function.
void lc_close (void)
 The close function.
int main (int argc, char **argv)

Function Documentation

void lc_close ( )

The close function.

Returns:
NOT_CONNECTED_ERROR or return state of the usb_close function.
{
    if (_lc_handle == NULL)
        return NOT_CONNECTED_ERROR;

    return usb_close(_lc_handle);

}
void lc_init ( )

The init function.

Returns:
SUCCESSFULLY_CONNECTED or DEVICE_NOT_FOUND_ERROR.
{

    usb_init();

    /* compute lc_vid/lc_pid from usbconfig.h so that there is a central source of information */
    _lc_vid = _lc_rawVid[1] * 256 + _lc_rawVid[0];
    _lc_pid = _lc_rawPid[1] * 256 + _lc_rawPid[0];

    /* The following function is in opendevice.c: */
    if( usbOpenDevice( &_lc_handle, _lc_vid, _lc_vendor, _lc_pid, _lc_product, NULL, NULL, NULL) != 0)
    {
        fprintf(stderr, "Could not find USB device \"%s\" with lc_vid=0x%x lc_pid=0x%x\n", _lc_product, _lc_vid, _lc_pid);
        return DEVICE_NOT_FOUND_ERROR;
    }
    return SUCCESSFULLY_CONNECTED;
}
void lc_saveFrame ( unsigned  long,
int   
)
void lc_setFrame ( unsigned long  frame)

The setFrame function.

Parameters:
frameThe 32bit frame data. Bit 0-8 equals layer one; bit 9 - 17 euqals layer two; bit 18 - 26 equals layer three. the 5 MSB is the lifetime of the current frame in ISR calls (300Hz).
Returns:
NOT_CONNECTED_ERROR or the return value of the usb_control_msg function.
{

    if (_lc_handle == NULL)
        return NOT_CONNECTED_ERROR;

    int low  =  frame & 0xffff;
    int high = (frame & 0xffff0000) >> 16;

    int ret = usb_control_msg(_lc_handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT, CUSTOM_RQ_SET_FRAME,  low, 0, _lc_buffer, 0, 300);
    ret += usb_control_msg(_lc_handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT, CUSTOM_RQ_SET_FRAME, high, 1, _lc_buffer, 0, 300);

    return ret;
}
void lc_setMode ( int  mode)

The setMode function.

Parameters:
modeThe firmware mode. MODE_ANIMATION_STOP; MODE_ANIMATION_SINGLE; MODE_ANIMATION_LOOP
Returns:
NOT_CONNECTED_ERROR or the return value of the usb_control_msg function.
{
    if (_lc_handle == NULL)
        return NOT_CONNECTED_ERROR;

    return usb_control_msg(_lc_handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT, CUSTOM_RQ_SET_MODE, mode, 0, _lc_buffer, 0, 300);
}
int main ( int  argc,
char **  argv 
)
{

    lc_init();

    // TODO parse commandline parameters

    lc_close();

    return 0;
}

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