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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.
*****************************************************************************/
#include "app.h"
// Housekeeping and debugging.
u16 frame = 0;
u16 value = 0;
// store ADC frame pointer
static const u16 *g_ADC = 0;
// buffer to store pad states for flash save
#define BUTTON_COUNT 100
u8 buttons[BUTTON_COUNT] = {0};
u16 font_numbers[10] = {
/*
* 0: 111 | 1111 0110 1101 1110
* 101 |
* 101 |
* 101 |
* 111 |
*/
0xF6DE,
/*
* 1: 010 | 0101 1001 0010 1110
* 110 |
* 010 |
* 010 |
* 111 |
*/
0x592E,
/*
* 2: 111 | 1110 0111 1100 1110
* 001 |
* 111 |
* 100 |
* 111 |
*/
0xE7CE,
/*
* 3: 111 | 1110 0101 1001 1110
* 001 |
* 011 |
* 001 |
* 111 |
*/
0xE59E,
/*
* 4: 101 | 1011 0110 1111 0010
* 101 |
* 101 |
* 111 |
* 001 |
*/
0xB6F2,
/*
* 5: 111 | 1111 0011 1001 1110
* 100 |
* 111 |
* 001 |
* 111 |
*/
0xF39E,
/*
* 6: 111 | 1111 0011 1101 1110
* 100 |
* 111 |
* 101 |
* 111 |
*/
0xF3DE,
/*
* 7: 111 | 1110 0101 0100 1000
* 001 |
* 010 |
* 100 |
* 100 |
*/
0xE548,
/*
* 8: 111 | 1111 0111 1101 1110
* 101 |
* 111 |
* 101 |
* 111 |
*/
0xF7DE,
/*
* 9: 111 | 1111 0111 1001 0010
* 101 |
* 111 |
* 001 |
* 001 |
*/
0xF792,
};
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) {
buttons[index] = MAXLED * !buttons[index];
}
// example - light / extinguish pad LEDs
// hal_plot_led(TYPEPAD, index, 0, 0, buttons[index]);
// example - send MIDI
// hal_send_midi(DINMIDI, NOTEON | 0, index, value);
} break;
case TYPESETUP: {
if (value) {
// Pressing the setup button will save the current buttons/pad
// state to the flash. The flash memory is USER_AREA_SIZE bytes
// long and can be organized however we need.
hal_write_flash(0, buttons, BUTTON_COUNT);
}
} break;
}
}
void
app_midi_event(u8 port, u8 status, u8 d1, u8 d2) {
if (port == USBMIDI) {
hal_send_midi(DINMIDI, status, d1, d2);
}
if (port == DINMIDI) {
hal_send_midi(USBMIDI, status, d1, d2);
}
if ((status & 0xF0) == NOTEON) {
value++;
} else if ((status & 0xF0) == NOTEOFF) {
value--;
}
}
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
print_number(u8 n, u16 r, u16 g, u16 b, u8 x, u8 y) {
u16 number = font_numbers[n];
for (u8 row = 0; row < 5; row++) {
u8 pos = 11 + 10 * (7 - y) - row * 10 + x;
u16 cur = number >> (13 - 3 * row);
for (u8 i = 0; i < 3; i++) {
if ((cur >> (2 - i)) & 0x1) {
hal_plot_led(TYPEPAD, pos + i, r, g, b);
}
}
}
}
void
update(void) {
// for (int i = 0; i < PAD_COUNT; ++i) {
// // Get the first detected button value.
// u16 x = (99 * g_ADC[i]) >> 12;
// if (x > 3) {
// value = x;
// return;
// }
// }
// value = 0;
}
void
clear_pads(void) {
for (int i = 0; i < PAD_COUNT; ++i) {
hal_plot_led(TYPEPAD, ADC_MAP[i], 0, 0, 0);
}
}
void
render(void) {
if (frame++ == 1000 / 10) {
clear_pads();
print_number((value / 10) % 10, MAXLED, MAXLED, MAXLED, 0, 0);
print_number( value % 10, MAXLED, MAXLED, MAXLED, 4, 0);
frame = 0;
}
}
void
app_timer_event() {
update();
render();
}
void
app_init(const u16 *adc_raw) {
// example - load button states from flash
hal_read_flash(0, buttons, BUTTON_COUNT);
// store off the raw ADC frame pointer for later use
g_ADC = adc_raw;
}
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