111 lines
3.6 KiB
C
111 lines
3.6 KiB
C
/*
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* økoyono MiniLEDCube
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*
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* By Kai Lauterbach (klaute at web dot de) 11/2011
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*
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* Based on http://mosfetkiller.de/?s=miniledcube
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*
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* License: General Public License (GPL v3)
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*
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*/
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#include "ledcube.h"
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/*! \brief The setFrame function.
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* \param frame The 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).
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* \return NOT_CONNECTED_ERROR or the return value of the usb_control_msg function.
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*/
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int lc_setFrame(unsigned long frame)
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{
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if (_lc_handle == NULL)
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return NOT_CONNECTED_ERROR;
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if (frame < 0 || frame > 0xffffffff)
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return PARAMETER_FRAME_OUT_OF_RANGE;
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int low = frame & 0xffff;
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int high = (frame & 0xffff0000) >> 16;
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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);
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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);
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return ret;
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}
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/*! \brief The setMode function.
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* \param mode The firmware mode. MODE_ANIMATION_STOP; MODE_ANIMATION_SINGLE; MODE_ANIMATION_LOOP
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* \return NOT_CONNECTED_ERROR or the return value of the usb_control_msg function.
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*/
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int lc_setMode(int mode)
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{
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if (_lc_handle == NULL)
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return NOT_CONNECTED_ERROR;
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if (mode < MODE_ANIMATION_STOP || mode > MODE_ANIMATION_LOOP)
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return PARAMETER_MODE_OUT_OF_RANGE;
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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);
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}
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/*! \brief The saveFrame function.
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* \param frame The 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) multiplied by 8.
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* \param delay The lifetime (onyl 5 bits) of the given frame in ISR calls multiplied by 8.
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* \param index The position in the EEPROM (0 to 31) of the internal animation content.
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* \return NOT_CONNECTED_ERROR or the return value of the usb_control_msg function.
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*/
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int lc_saveFrame(unsigned long frame, int delay, int index)
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{
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if (_lc_handle == NULL)
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return NOT_CONNECTED_ERROR;
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if (frame < 0 || frame > 0xffffffff)
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return PARAMETER_FRAME_OUT_OF_RANGE;
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if (delay < 0 || delay > 31)
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return PARAMETER_DELAY_OUT_OF_RANGE;
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if (index < 0 || index > 31)
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return PARAMETER_INDEX_OUT_OF_RANGE;
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frame = frame + (delay << 27);
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lc_setFrame(frame);
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return 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);
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}
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/*! \brief The init function.
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* \return SUCCESSFULLY_CONNECTED or DEVICE_NOT_FOUND_ERROR.
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*/
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int lc_init()
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{
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usb_init();
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/* compute lc_vid/lc_pid from usbconfig.h so that there is a central source of information */
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_lc_vid = _lc_rawVid[1] * 256 + _lc_rawVid[0];
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_lc_pid = _lc_rawPid[1] * 256 + _lc_rawPid[0];
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/* The following function is in opendevice.c: */
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if( usbOpenDevice( &_lc_handle, _lc_vid, _lc_vendor, _lc_pid, _lc_product, NULL, NULL, NULL) != 0)
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{
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fprintf(stderr, "Could not find USB device \"%s\" with lc_vid=0x%x lc_pid=0x%x\n", _lc_product, _lc_vid, _lc_pid);
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return DEVICE_NOT_FOUND_ERROR;
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}
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return SUCCESSFULLY_CONNECTED;
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}
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/*! \brief The close function.
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* \return NOT_CONNECTED_ERROR or return state of the usb_close function.
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*/
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int lc_close()
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{
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if (_lc_handle == NULL)
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return NOT_CONNECTED_ERROR;
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return usb_close(_lc_handle);
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}
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