2 * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
3 * Copyright (c) 2014 Intel Corporation.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 #include <mraa/gpio.h>
30 #define MAX_BIT_PER_BLOCK 16
31 #define CMDMODE 0x0000
32 #define BIT_HIGH 0x00ff
33 #define BIT_LOW 0x0000
41 * @brief C++ API for MY9221 led bar module
43 * This file defines the MY9221 C++ interface for libmy9221
45 * @snippet led-bar.cxx Interesting
50 * Instanciates a MY9221 object
53 * @param dcki clock pin
55 MY9221 (uint8_t di, uint8_t dcki);
58 * MY9221 object destructor
65 * @param level selected level for the bar (1 - 10)
66 * @param direction up or down, true is up and is the default
68 mraa_result_t setBarLevel (uint8_t level, bool direction=true);
71 * Return name of the component
78 mraa_result_t lockData ();
79 mraa_result_t send16bitBlock (short data);
82 mraa_gpio_context m_clkPinCtx;
83 mraa_gpio_context m_dataPinCtx;