1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
/******************************************************************************
Copyright (c) 2015, Focusrite Audio Engineering Ltd.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of Focusrite Audio Engineering Ltd., nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
//______________________________________________________________________________
//
// Headers
//______________________________________________________________________________
#include "app.h"
//______________________________________________________________________________
//
// This is where the fun is! Add your code to the callbacks below to define how
// your app behaves.
//
// In this example, we either render the raw ADC data as LED rainbows or store
// and recall the pad state from flash.
//______________________________________________________________________________
// store ADC frame pointer
static const u16 *g_ADC = 0;
// buffer to store pad states for flash save
#define BUTTON_COUNT 100
u8 g_Buttons[BUTTON_COUNT] = {0};
//______________________________________________________________________________
void app_surface_event(u8 type, u8 index, u8 value)
{
switch (type)
{
case TYPEPAD:
{
// toggle it and store it off, so we can save to flash if we want to
if (value)
{
g_Buttons[index] = MAXLED * !g_Buttons[index];
}
// example - light / extinguish pad LEDs
hal_plot_led(TYPEPAD, index, 0, 0, g_Buttons[index]);
// example - send MIDI
hal_send_midi(DINMIDI, NOTEON | 0, index, value);
}
break;
case TYPESETUP:
{
if (value)
{
// save button states to flash (reload them by power cycling the hardware!)
hal_write_flash(0, g_Buttons, BUTTON_COUNT);
}
}
break;
}
}
//______________________________________________________________________________
void app_midi_event(u8 port, u8 status, u8 d1, u8 d2)
{
// example - MIDI interface functionality for USB "MIDI" port -> DIN port
if (port == USBMIDI)
{
hal_send_midi(DINMIDI, status, d1, d2);
}
// // example -MIDI interface functionality for DIN -> USB "MIDI" port port
if (port == DINMIDI)
{
hal_send_midi(USBMIDI, status, d1, d2);
}
}
//______________________________________________________________________________
void app_sysex_event(u8 port, u8 * data, u16 count)
{
// example - respond to UDI messages?
}
//______________________________________________________________________________
void app_aftertouch_event(u8 index, u8 value)
{
// example - send poly aftertouch to MIDI ports
hal_send_midi(USBMIDI, POLYAFTERTOUCH | 0, index, value);
}
//______________________________________________________________________________
void app_cable_event(u8 type, u8 value)
{
// example - light the Setup LED to indicate cable connections
if (type == MIDI_IN_CABLE)
{
hal_plot_led(TYPESETUP, 0, 0, value, 0); // green
}
else if (type == MIDI_OUT_CABLE)
{
hal_plot_led(TYPESETUP, 0, value, 0, 0); // red
}
}
//______________________________________________________________________________
void app_timer_event()
{
// example - send MIDI clock at 125bpm
#define TICK_MS 20
static u8 ms = TICK_MS;
if (++ms >= TICK_MS)
{
ms = 0;
// send a clock pulse up the USB
hal_send_midi(USBSTANDALONE, MIDITIMINGCLOCK, 0, 0);
}
// alternative example - show raw ADC data as LEDs
for (int i=0; i < PAD_COUNT; ++i)
{
// raw adc values are 12 bit, but LEDs are 6 bit.
// Let's saturate into r;g;b for a rainbow effect to show pressure
u16 r = 0;
u16 g = 0;
u16 b = 0;
u16 x = (3 * MAXLED * g_ADC[i]) >> 12;
if (x < MAXLED)
{
r = x;
}
else if (x >= MAXLED && x < (2*MAXLED))
{
r = 2*MAXLED - x;
g = x - MAXLED;
}
else
{
g = 3*MAXLED - x;
b = x - 2*MAXLED;
}
hal_plot_led(TYPEPAD, ADC_MAP[i], r, g, b);
}
}
//______________________________________________________________________________
void app_init(const u16 *adc_raw)
{
// example - load button states from flash
hal_read_flash(0, g_Buttons, BUTTON_COUNT);
// example - light the LEDs to say hello!
for (int i=0; i < 10; ++i)
{
for (int j=0; j < 10; ++j)
{
u8 b = g_Buttons[j*10 + i];
hal_plot_led(TYPEPAD, j*10 + i, 0, 0, b);
}
}
// store off the raw ADC frame pointer for later use
g_ADC = adc_raw;
}
|
