1 // Copyright 2013 Olivier Gillet.
2 //
3 // Author: Olivier Gillet (ol.gillet@gmail.com)
4 //
5 // Permission is hereby granted, free of charge, to any person obtaining a copy
6 // of this software and associated documentation files (the "Software"), to deal
7 // in the Software without restriction, including without limitation the rights
8 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 // copies of the Software, and to permit persons to whom the Software is
10 // furnished to do so, subject to the following conditions:
11 //
12 // The above copyright notice and this permission notice shall be included in
13 // all copies or substantial portions of the Software.
14 //
15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21 // THE SOFTWARE.
22 //
23 // See http://creativecommons.org/licenses/MIT/ for more information.
24 //
25 // -----------------------------------------------------------------------------
26 //
27 // Driver for the status LEDs.
28 
29 #ifndef PEAKS_DRIVERS_LEDS_H_
30 #define PEAKS_DRIVERS_LEDS_H_
31 
32 #include "stmlib/stmlib.h"
33 
34 namespace peaks {
35 
36 class Leds {
37  public:
Leds()38   Leds() { }
~Leds()39   ~Leds() { }
40 
41   void Init();
42 
set_function(uint8_t function)43   void set_function(uint8_t function) {
44     function_ = 1 << function;
45   }
set_pattern(uint8_t pattern)46   void set_pattern(uint8_t pattern) {
47     function_ = pattern;
48   }
set_twin_mode(bool twin_mode)49   void set_twin_mode(bool twin_mode) {
50     twin_mode_ = twin_mode;
51   }
set_levels(uint8_t level_1,uint8_t level_2)52   void set_levels(uint8_t level_1, uint8_t level_2) {
53     levels_[0] = level_1;
54     levels_[1] = level_2;
55   }
fade_levels(uint8_t level_1,uint8_t level_2)56   void fade_levels(uint8_t level_1, uint8_t level_2) {
57     levels_[0] = (255 * levels_[0] + level_1) >> 8;
58     levels_[1] = (255 * levels_[1] + level_2) >> 8;
59   }
60   void Write();
61 
62  private:
63   uint8_t function_;
64   bool twin_mode_;
65   uint8_t levels_[2];
66 
67   DISALLOW_COPY_AND_ASSIGN(Leds);
68 };
69 
70 }  // namespace peaks
71 
72 #endif  // PEAKS_DRIVERS_LEDS_H_
73