mini-led-cube/client/ledcube.c

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C
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2011-12-22 19:06:59 +01:00
#include "ledcube.h"
void lc_setFrame(unsigned long frame)
{
int low = frame & 0xffff;
int high = (frame & 0xffff0000) >> 16;
usb_control_msg(_lc_handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT, CUSTOM_RQ_SET_FRAME, low, 0, _lc_buffer, 0, 300);
usb_control_msg(_lc_handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT, CUSTOM_RQ_SET_FRAME, high, 1, _lc_buffer, 0, 300);
}
void lc_setMode(int mode)
{
usb_control_msg(_lc_handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT, CUSTOM_RQ_SET_MODE, mode, 0, _lc_buffer, 0, 300);
}
void lc_saveFrame(unsigned long frame, int index)
{
lc_setFrame(frame);
usb_control_msg(_lc_handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT, CUSTOM_RQ_EEPROM_STORE_FRAME, 0, index, _lc_buffer, 0, 300);
}
void lc_init()
{
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);
}
}
void lc_close()
{
usb_close(_lc_handle);
}