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/******************************************************************************
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 store all button states in an array, which we sometimes
// save to flash.
//______________________________________________________________________________
#define BUTTON_COUNT 100
#define PAD_COUNT 64
static u8 g_Buttons[BUTTON_COUNT] = {0};
static const u16 *g_ADC = 0;
//______________________________________________________________________________
void app_surface_event(u8 type, u8 index, u8 value)
{
switch (type)
{
case TYPEPAD:
{
return;
}
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)
{
return;
// example - send poly aftertouch to MIDI ports
hal_send_midi(USBMIDI, POLYAFTERTOUCH | 0, index, value);
// example - set LED to white, brightness in proportion to pressure
hal_plot_led(TYPEPAD, index, value/2, value/2, value/2);
}
//______________________________________________________________________________
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
}
}
//______________________________________________________________________________
static const u8 ADC_MAP[] =
{
11, 51, 12, 52, 13, 53, 14, 54,
15, 55, 16, 56, 17 ,57, 18, 58,
21, 61, 22, 62, 23, 63, 24, 64,
25, 65, 26, 66, 27, 67, 28, 68,
31, 71, 32, 72, 33, 73, 34, 74,
35, 75, 36, 76, 37, 77, 38, 78,
41, 81, 42, 82, 43, 83, 44, 84,
45, 85, 46, 86, 47, 87, 48, 88,
};
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(USBMIDI, MIDITIMINGCLOCK, 0, 0);
}
// example: render raw ADC data as LEDs
for (int i=0; i < PAD_COUNT; ++i)
{
// raw adc values are 12 bit, but LEDs are 6 bit.
// so saturate into r;g;b for a rainbow effect to show pressure
u16 r =0;
u16 g =0;
u16 b =0;
u16 x = g_ADC[i];
x = (3 * MAXLED * x) >> 12;
if (x < MAXLED)
{
r = x;
}
else if (x > MAXLED && x < (2*MAXLED))
{
r = MAXLED - x;
g = x - MAXLED;
}
else
{
g = MAXLED - x;
b = x - MAXLED;
}
hal_plot_led(TYPEPAD, ADC_MAP[i], r, g, b);
}
}
//______________________________________________________________________________
void app_init(const u16 *adc_raw)
{
// example - store off the raw ADC frame pointer for later use
g_ADC = adc_raw;
}
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