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#include <math.h>
#include "pbd/compose.h"
#include "maschine2.h"
#include "m2controls.h"
#include "m2_dev_mikro.h"
#include <pangomm/fontdescription.h>
#include "images.h"
static size_t mikro_png_readoff = 0;
static Cairo::ErrorStatus maschine_png_read (unsigned char* d, unsigned int s) {
if (s + mikro_png_readoff > sizeof (mikro_png)) {
return CAIRO_STATUS_READ_ERROR;
}
memcpy (d, &mikro_png[mikro_png_readoff], s);
mikro_png_readoff += s;
return CAIRO_STATUS_SUCCESS;
}
using namespace ArdourSurface;
Maschine2Mikro::Maschine2Mikro () : M2Device ()
{
_surface = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, 128, 64);
clear (true);
}
void
Maschine2Mikro::clear (bool splash)
{
M2Device::clear (splash);
memset (&ctrl_in, 0, sizeof (ctrl_in));
memset (pad, 0, sizeof (pad));
_lights[0] = 0xff;
for (int l = 0; l < 4; ++l) {
_img[l][0] = 0xff;
}
Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create (_surface);
if (!splash) {
mikro_png_readoff = 0;
Cairo::RefPtr<Cairo::ImageSurface> sf = Cairo::ImageSurface::create_from_png_stream (sigc::ptr_fun (maschine_png_read));
cr->set_source(sf, 0, 0);
cr->paint ();
} else {
cr->set_operator (Cairo::OPERATOR_CLEAR);
cr->paint ();
cr->set_operator (Cairo::OPERATOR_OVER);
Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create (cr);
Pango::FontDescription fd ("Sans Bold 18px");
layout->set_font_description (fd);
layout->set_alignment (Pango::ALIGN_CENTER);
layout->set_text (string_compose ("%1\n%2", PROGRAM_NAME, VERSIONSTRING));
int tw, th;
layout->get_pixel_size (tw, th);
cr->move_to (128 - tw * 0.5, 32 - th * 0.5);
cr->set_source_rgb (1, 1, 1);
layout->show_in_cairo_context(cr);
}
//_surface->write_to_png ("/tmp/amaschine.png");
}
void
Maschine2Mikro::read (hid_device* handle, M2Contols* ctrl)
{
assert (ctrl);
while (true) {
uint8_t buf[256];
int res = hid_read (handle, buf, 256);
if (res < 1) {
return;
}
// TODO parse incrementally if chunked at 64
if (res > 4 && buf[0] == 0x01) {
memcpy (&ctrl_in, &buf[1], sizeof (ctrl_in));
assign_controls (ctrl);
}
else if (res > 32 && buf[0] == 0x20) {
for (unsigned int i = 0; i < 16; ++i) {
uint8_t v0 = buf[1 + 2 * i];
uint8_t v1 = buf[2 + 2 * i];
uint8_t p = (v1 & 0xf0) >> 4;
pad[p] = ((v1 & 0xf) << 8) | v0;
unsigned int pid = 15 - ((i & 0xc) + (3 - (i & 0x3)));
ctrl->pad (pid)->set_value (pad[p]);
}
// TODO read complete 65 byte msg, expect buf[33] == 0x00
}
}
}
void
Maschine2Mikro::write (hid_device* handle, M2Contols* ctrl)
{
bump_blink ();
uint8_t buf[265];
//TODO double-buffer, send changes only if needed
/* 30 control buttons, 8-bit brightness,
* + 16 RGB pads
*/
buf[0] = 0x80;
set_lights (ctrl, &buf[1]);
set_pads (ctrl, &buf[31]);
if (memcmp (_lights, buf, 79)) {
hid_write (handle, buf, 79);
memcpy (_lights, buf, 79);
}
if (_splashcnt < _splashtime ) {
++_splashcnt;
}
else if (! vblank () /* EMIT SIGNAL*/) {
/* check clear/initial draw */
if (_img[0][0] != 0xff) {
return;
}
}
/* display */
_surface->flush ();
const unsigned char* img = _surface->get_data ();
const int stride = _surface->get_stride ();
memset (buf, 0, 9);
buf[0] = 0xe0;
for (int l = 0; l < 4; ++l) {
buf[1] = 32 * l;
buf[5] = 0x20;
buf[7] = 0x08;
int y0 = l * 16;
for (int p = 0; p < 256; ++p) {
uint8_t v = 0;
const int y = y0 + p / 16;
for (int b = 0; b < 8; ++b) {
const int x = (p % 16) * 8 + b;
int off = y * stride + x * 4 /* ARGB32 */;
/* off + 0 == blue
* off + 1 == green
* off + 2 == red
* off + 3 == alpha
*/
/* calculate lightness */
uint8_t l = std::max (img[off + 0], std::max (img[off + 1], img[off + 2]));
if (l > 0x7e) { // TODO: take alpha channel into account?!
v |= 1 << (7 - b);
}
}
buf[9 + p] = v;
}
if (memcmp (_img[l], buf, 265)) {
hid_write (handle, buf, 265);
memcpy (_img[l], buf, 265);
}
}
}
void
Maschine2Mikro::assign_controls (M2Contols* ctrl) const
{
ctrl->button (M2Contols::BtnShift, M2Contols::ModNone)->set_active (ctrl_in.trs_shift ? true : false);
M2Contols::Modifier mod = ctrl->button (M2Contols::BtnShift, M2Contols::ModNone)->active () ? M2Contols::ModShift : M2Contols::ModNone;
bool change = false;
#define ASSIGN(BTN, VAR) \
change |= ctrl->button (M2Contols:: BTN, mod)->set_active (ctrl_in. VAR ? true : false)
ASSIGN (BtnRestart, trs_restart);
ASSIGN (BtnStepLeft, trs_left);
ASSIGN (BtnStepRight, trs_right);
ASSIGN (BtnGrid, trs_grid);
ASSIGN (BtnPlay, trs_play);
ASSIGN (BtnRec, trs_rec);
ASSIGN (BtnErase, trs_erase);
ASSIGN (BtnGroupA, group);
ASSIGN (BtnBrowse, browse);
ASSIGN (BtnSampling, sampling);
ASSIGN (BtnNoteRepeat, note_repeat);
ASSIGN (BtnWheel, mst_wheel);
ASSIGN (BtnTop0, f1);
ASSIGN (BtnTop1, f1);
ASSIGN (BtnTop2, f3);
ASSIGN (BtnControl, control);
ASSIGN (BtnNavigate, navigate); // XXX
ASSIGN (BtnNavLeft, nav_left);
ASSIGN (BtnNavRight, nav_right);
ASSIGN (BtnEnter, main);
ASSIGN (BtnScene, pads_scene);
ASSIGN (BtnPattern, pads_pattern);
ASSIGN (BtnPadMode, pads_mode);
ASSIGN (BtnNavigate, pads_navigate);
ASSIGN (BtnDuplicate, pads_duplicate);
ASSIGN (BtnSelect, pads_select);
ASSIGN (BtnSolo, pads_solo);
ASSIGN (BtnMute, pads_mute);
#undef ASSIGN
change |= ctrl->encoder (0)->set_value (ctrl_in.mst_wheel_pos);
if (change && mod == M2Contols::ModShift) {
M2ToggleHoldButton* btn = dynamic_cast<M2ToggleHoldButton*> (ctrl->button (M2Contols::BtnShift, M2Contols::ModNone));
if (btn) {
btn->unset_active_on_release ();
}
}
}
#define LIGHT(BIT, BTN) \
b[BIT] = ctrl->button (M2Contols:: BTN, mod)->lightness (_blink_shade)
void
Maschine2Mikro::set_pads (M2Contols* ctrl, uint8_t* b) const
{
if (!ctrl) {
memset (b, 0, 48);
return;
}
for (unsigned int i = 0; i < 16; ++i) {
unsigned int pid = 15 - ((i & 0xc) + (3 - (i & 0x3)));
ctrl->pad (pid)->color (b[i * 3], b[1 + i * 3], b[2 + i * 3]);
}
}
void
Maschine2Mikro::set_lights (M2Contols* ctrl, uint8_t* b) const
{
if (!ctrl) {
memset (b, 0, 29);
return;
}
M2Contols::Modifier mod = ctrl->button (M2Contols::BtnShift, M2Contols::ModNone)->active () ? M2Contols::ModShift : M2Contols::ModNone;
LIGHT ( 0, BtnTop0); // F1
LIGHT ( 1, BtnTop1); // F2
LIGHT ( 2, BtnTop2); // F3
LIGHT ( 3, BtnControl);
LIGHT ( 4, BtnNavigate); // XXX
LIGHT ( 5, BtnNavLeft);
LIGHT ( 6, BtnNavRight);
LIGHT ( 7, BtnEnter); // Main
const uint32_t rgb = ctrl->button (M2Contols::BtnGroupA, mod)->color (_blink_shade);
b[8] = (rgb >> 0) & 0xff;
b[9] = (rgb >> 8) & 0xff;
b[10] = (rgb >> 16) & 0xff;
LIGHT (11, BtnBrowse);
LIGHT (12, BtnSampling);
LIGHT (13, BtnNoteRepeat);
LIGHT (14, BtnRestart);
LIGHT (15, BtnStepLeft);
LIGHT (16, BtnStepRight);
LIGHT (17, BtnGrid);
LIGHT (18, BtnPlay);
LIGHT (19, BtnRec);
LIGHT (20, BtnErase);
LIGHT (21, BtnShift);
LIGHT (22, BtnScene);
LIGHT (23, BtnPattern);
LIGHT (24, BtnPadMode);
LIGHT (25, BtnNavigate);
LIGHT (26, BtnDuplicate);
LIGHT (27, BtnSelect);
LIGHT (28, BtnSolo);
LIGHT (29, BtnMute);
}
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