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europi_func2.c
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// Copyright 2016 Richard R. Goodwin / Audio Morphology
//
// Author: Richard R. Goodwin ([email protected])
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
// See http://creativecommons.org/licenses/MIT/ for more information.
//#include <linux/input.h>
#include <unistd.h>
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <dirent.h>
#include <malloc.h>
#include <fcntl.h>
#include <linux/fb.h>
#include <sys/mman.h>
#include <linux/kd.h>
#include <pigpio.h>
#include <signal.h>
#include "europi.h"
#include "../raylib/src/raylib.h"
extern int run_stop;
extern int save_run_stop;
extern int disp_menu;
extern int debug;
extern int TuningOn;
extern int last_track;
extern int edit_track;
extern uint16_t TuningVoltage;
extern int SingleChannelOffset;
extern int VerticalScrollPercent;
extern char *fbp;
extern char input_txt[];
extern char current_filename[];
extern char modal_dialog_txt1[];
extern char modal_dialog_txt2[];
extern char modal_dialog_txt3[];
extern char modal_dialog_txt4[];
extern int selected_step;
extern struct europi Europi;
extern struct europi_hw Europi_hw;
//extern struct screen_overlays ScreenOverlays;
extern uint32_t ActiveOverlays;
extern enum display_page_t DisplayPage;
extern int prog_running;
extern int impersonate_hw;
extern enum encoder_focus_t encoder_focus;
extern enum btnA_func_t btnA_func;
extern enum btnB_func_t btnB_func;
extern enum btnC_func_t btnC_func;
extern enum btnD_func_t btnD_func;
extern int btnA_state;
extern int btnB_state;
extern int btnC_state;
extern int btnD_state;
extern char **files;
extern size_t file_count;
extern int file_selected;
extern int first_file;
/*
* menu callback for Single Channel view
* This switches the display page to a single
* page of the track noted in the global variable
* edit_track
*/
void seq_singlechnl(void) {
ClearScreenOverlays();
ActiveOverlays |= ovl_SingleChannel;
DisplayPage = SingleChannel;
encoder_focus = track_select;
SwitchChannelFunction(edit_track);
}
/*
* menu callback for Grid Channel view
*/
void seq_gridview(void) {
VerticalScrollPercent = 0;
ClearScreenOverlays();
DisplayPage = GridView;
encoder_focus = none;
select_first_track();
}
/*
* menu callback for 8x8 Channel view
*/
void seq_grid8x8(void) {
VerticalScrollPercent = 0;
ClearScreenOverlays();
DisplayPage = Grid8x8;
encoder_focus = none;
select_first_track();
}
/*
* menu callback for New Sequence
*/
void seq_new(void){
int track;
int step;
int defaultpitch = (6000*4) + 3000; //half way up.
ClearScreenOverlays();
DisplayPage = Grid8x8;
encoder_focus = none;
select_first_track();
//log_msg("Seq New\n");
for(track = 0;track < last_track;track++){
Europi.tracks[track].selected = FALSE;
Europi.tracks[track].track_busy = FALSE;
Europi.tracks[track].last_step = 16;
Europi.tracks[track].current_step = 0;
Europi.tracks[track].clock_divisor = 1;
Europi.tracks[track].clock_divisor_counter = 0;
Europi.tracks[track].swing_percent = 62;
Europi.tracks[track].channels[CV_OUT].quantise = 1; // default quantization = semitones
Europi.tracks[track].channels[CV_OUT].transpose = 0;
Europi.tracks[track].channels[CV_OUT].type = CHNL_TYPE_CV;
Europi.tracks[track].channels[MOD_OUT].quantise = 1; // default quantization = semitones
Europi.tracks[track].channels[MOD_OUT].transpose = 0;
Europi.tracks[track].channels[MOD_OUT].type = CHNL_TYPE_MOD;
Europi.tracks[track].channels[MOD_OUT].enabled = TRUE;
for(step = 0;step < MAX_STEPS;step++){
Europi.tracks[track].channels[CV_OUT].steps[step].raw_value = defaultpitch;
Europi.tracks[track].channels[CV_OUT].steps[step].scaled_value = scale_value(track,defaultpitch);
Europi.tracks[track].channels[CV_OUT].steps[step].slew_type = Off;
Europi.tracks[track].channels[CV_OUT].steps[step].slew_length = 0;
Europi.tracks[track].channels[MOD_OUT].steps[step].raw_value = defaultpitch;
Europi.tracks[track].channels[MOD_OUT].steps[step].scaled_value = scale_value(track,defaultpitch);
Europi.tracks[track].channels[MOD_OUT].steps[step].slew_type = Off;
Europi.tracks[track].channels[MOD_OUT].steps[step].slew_length = 0;
Europi.tracks[track].channels[MOD_OUT].steps[step].mod_shape = Mod_Triangle;
Europi.tracks[track].channels[MOD_OUT].steps[step].min = 300;
Europi.tracks[track].channels[MOD_OUT].steps[step].max = 50000;
Europi.tracks[track].channels[MOD_OUT].steps[step].duty_cycle = 0;
Europi.tracks[track].channels[GATE_OUT].steps[step].ratchets = 1;
Europi.tracks[track].channels[GATE_OUT].steps[step].repetitions = 1;
Europi.tracks[track].channels[GATE_OUT].steps[step].repeat_counter = 0;
Europi.tracks[track].channels[GATE_OUT].steps[step].fill = 0;
Europi.tracks[track].channels[GATE_OUT].steps[step].gate_type = Gate_95;
}
}
// !!! Temp testing
Europi.tracks[1].clock_divisor = 4;
}
/*
* Set all screen overlays OFF
* this is just a handy place to do it,
* rather than relying on the various
* menu functions to take care of it
*/
void ClearScreenOverlays(void){
ActiveOverlays = 0;
//log_msg("Clear Overlays %d",gpioTick());
}
/*
* OverlayActive returns TRUE is any
* screen overlays are currently active
* This is useful to ensure touch
* events are only taken by the Overlay
*
* The IgnoreOverlay argument can pass in any
* number of Overlays that are ignored when deciding
* if any overlays are active or not
*/
int OverlayActive(uint32_t IgnoreOverlay){
if((ActiveOverlays & ~IgnoreOverlay) > 0) return 1;
else return 0;
}
/*
* simple function that just returns True or False
* if there is something at the top of the screen and
* therefore the Scroll Bar should be shorter, and the
* track displays etc should start lower down the screen
*/
int ShortScroll(){
if(ActiveOverlays & (
ovl_MainMenu |
ovl_SetZero |
ovl_SetTen |
ovl_SetLoop |
ovl_SetPitch |
ovl_SetSlew |
ovl_SetDirection |
ovl_SetQuantise)) return 1;
else return 0;
}
/*
* Sets the default soft menu buttons
*/
void buttonsDefault(void){
btnA_func = btnA_quit;
btnB_func = btnB_menu;
btnC_func = btnC_bpm_dn;
btnD_func = btnD_bpm_up;
btnA_state = 0;
btnB_state = 0;
btnC_state = 0;
btnD_state = 0;
}
/*
* Select First Track
*/
void select_first_track(void){
/* Select the first Track with an Enabled CV output */
int track;
/* make sure nothing else is selected */
for (track=0;track<MAX_TRACKS;track++){
Europi.tracks[track].selected = FALSE;
}
/* select the first enabled track */
track = 0;
while(track < MAX_TRACKS){
if(Europi.tracks[track].channels[CV_OUT].enabled == TRUE) {
Europi.tracks[track].selected = TRUE;
edit_track = track;
GATESingleOutput(Europi.tracks[track].channels[GATE_OUT].i2c_handle, Europi.tracks[track].channels[GATE_OUT].i2c_channel,Europi.tracks[track].channels[GATE_OUT].i2c_device,0x01);
break;
}
track++;
}
}
/*
* Select a specific Track - makes certain no others are selected
*/
void select_track(int track){
int ThisTrack;
for(ThisTrack=0;ThisTrack<MAX_TRACKS;ThisTrack++){
if(ThisTrack == track) Europi.tracks[ThisTrack].selected = TRUE;
else Europi.tracks[ThisTrack].selected = FALSE;
}
}
/*
* Select Next Track - dir specifies whether to select next up or down (+/-1)
*/
void select_next_track(int dir){
if(dir == 1){
int track = 0;
int prev_selected = 0;
int found_new = FALSE;
while(track < last_track){
if(Europi.tracks[track].selected == TRUE){
// deselect this track
prev_selected = track;
Europi.tracks[track].selected = FALSE;
GATESingleOutput(Europi.tracks[track].channels[GATE_OUT].i2c_handle, Europi.tracks[track].channels[GATE_OUT].i2c_channel,Europi.tracks[track].channels[GATE_OUT].i2c_device,0x00);
// select the next enabled one
if(track < last_track - 1) track++;
while(track < last_track){
if(Europi.tracks[track].channels[CV_OUT].enabled == TRUE){
Europi.tracks[track].selected = TRUE;
edit_track = track;
found_new = TRUE;
GATESingleOutput(Europi.tracks[track].channels[GATE_OUT].i2c_handle, Europi.tracks[track].channels[GATE_OUT].i2c_channel,Europi.tracks[track].channels[GATE_OUT].i2c_device,0x01);
break;
}
track++;
}
}
track++;
}
// Didn't find a new one to select, so re-select the previous one
if (found_new == FALSE){
Europi.tracks[prev_selected].selected = TRUE;
edit_track = prev_selected;
}
}
else {
int track = last_track - 1;
int prev_selected = last_track - 1;
int found_new = FALSE;
while(track >= 0){
if(Europi.tracks[track].selected == TRUE){
// deselect this track
prev_selected = track;
Europi.tracks[track].selected = FALSE;
GATESingleOutput(Europi.tracks[track].channels[GATE_OUT].i2c_handle, Europi.tracks[track].channels[GATE_OUT].i2c_channel,Europi.tracks[track].channels[GATE_OUT].i2c_device,0x00);
// select the next enabled one
if(track > 0) track--;
while(track >= 0){
if(Europi.tracks[track].channels[CV_OUT].enabled == TRUE){
Europi.tracks[track].selected = TRUE;
edit_track = track;
found_new = TRUE;
GATESingleOutput(Europi.tracks[track].channels[GATE_OUT].i2c_handle, Europi.tracks[track].channels[GATE_OUT].i2c_channel,Europi.tracks[track].channels[GATE_OUT].i2c_device,0x01);
break;
}
track--;
}
}
track--;
}
// Didn't find a new one to select, so re-select the previous one
if (found_new == FALSE){
Europi.tracks[prev_selected].selected = TRUE;
edit_track = prev_selected;
}
}
}
/*
* Select Next Step - Dir specifies next up or down
*/
void select_next_step(int dir){
int track = 0;
while (track < MAX_TRACKS){
if(Europi.tracks[track].selected == TRUE){
if (dir == 1) {
if (Europi.tracks[track].current_step < (Europi.tracks[track].last_step -1)) Europi.tracks[track].current_step++;
}
else {
if (Europi.tracks[track].current_step > 0) Europi.tracks[track].current_step--;
}
break;
}
track++;
}
/* Output the current value for this track / step, so we can hear what's going on */
DACSingleChannelWrite(track,Europi.tracks[track].channels[CV_OUT].i2c_handle, Europi.tracks[track].channels[CV_OUT].i2c_address, Europi.tracks[track].channels[CV_OUT].i2c_channel, Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].raw_value);
// And turn the Gate output on
GATESingleOutput(Europi.tracks[track].channels[GATE_OUT].i2c_handle, Europi.tracks[track].channels[GATE_OUT].i2c_channel,Europi.tracks[track].channels[GATE_OUT].i2c_device,0x01);
}
/* SwitchChannelFunction sets the appropriate Display Page
* and screen Overlays depending on whether this is a CV, Mod
* Gate or MIDI cchannel.It felt convenient to do this at
* a single point, as this context switch will need to happen
* in several different places as you scroll up and down tracks
*/
void SwitchChannelFunction(int track){
// Need to check which sort of Single channel display to set
if(Europi.tracks[track].channels[CV_OUT].type == CHNL_TYPE_CV){
DisplayPage = SingleChannel;
ActiveOverlays |= ovl_SingleChannel;
SingleChannelOffset = 0;
encoder_focus = track_select;
btnA_func = btnA_none;
btnB_func = btnB_tr_minus;
btnC_func = btnC_tr_plus;
btnD_func = btnD_done;
save_run_stop = run_stop;
}
}
/*
* Set Loop Point moves the current
* last step in a track one step up or down
*/
void set_loop_point(int dir){
if(dir == 1){
int track=0;
while(track < MAX_TRACKS){
if(Europi.tracks[track].selected == TRUE){
if(Europi.tracks[track].last_step < MAX_STEPS){
Europi.tracks[track].last_step++;
}
break;
}
track++;
}
}
else {
int track=0;
while(track < MAX_TRACKS){
if(Europi.tracks[track].selected == TRUE){
if(Europi.tracks[track].last_step > 1){
Europi.tracks[track].last_step--;
}
break;
}
track++;
}
}
}
/*
* Select the next slew type up or down
*/
void select_next_slew(int dir){
int track = 0;
while (track < MAX_TRACKS){
if(Europi.tracks[track].selected == TRUE){
if (dir == 1) {
switch(Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].slew_type){
case Off:
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].slew_type = Linear;
break;
case Linear:
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].slew_type = Exponential;
break;
case Exponential:
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].slew_type = RevExp;
break;
case RevExp:
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].slew_type = Log;
break;
case Log:
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].slew_type = RevLog;
break;
case RevLog:
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].slew_type = Sine;
break;
case Sine:
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].slew_type = RevSine;
break;
case RevSine:
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].slew_type = Cosine;
break;
case Cosine:
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].slew_type = Off;
break;
}
}
else {
switch(Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].slew_type){
case Off:
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].slew_type = Cosine;
break;
case Linear:
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].slew_type = Off;
break;
case Exponential:
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].slew_type = Linear;
break;
case RevExp:
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].slew_type = Exponential;
break;
case Log:
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].slew_type = RevExp;
break;
case RevLog:
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].slew_type = Log;
break;
case Sine:
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].slew_type = RevLog;
break;
case RevSine:
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].slew_type = Sine;
break;
case Cosine:
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].slew_type = RevSine;
break;
}
}
break;
}
track++;
}
}
/*
* Select the next quantisation either up or down
*/
void select_next_quantisation(int dir){
int track = 0;
while (track < MAX_TRACKS){
if(Europi.tracks[track].selected == TRUE){
if (dir == 1) {
if (Europi.tracks[track].channels[CV_OUT].quantise < 47) Europi.tracks[track].channels[CV_OUT].quantise++;
}
else {
if (Europi.tracks[track].channels[CV_OUT].quantise > 0) Europi.tracks[track].channels[CV_OUT].quantise--;
}
// Re-Quantise track
quantize_track(track,Europi.tracks[track].channels[CV_OUT].quantise);
break;
}
track++;
}
}
/*
* Select the next direction either up or down
*/
void select_next_direction(int dir){
int track = 0;
while (track < MAX_TRACKS){
if(Europi.tracks[track].selected == TRUE){
if (dir == 1) {
switch (Europi.tracks[track].direction){
case Forwards:
Europi.tracks[track].direction = Backwards;
break;
case Backwards:
Europi.tracks[track].direction = Pendulum_F;
break;
case Pendulum_F:
case Pendulum_B:
Europi.tracks[track].direction = Random;
break;
default:
case Random:
Europi.tracks[track].direction = Forwards;
break;
}
}
else {
switch (Europi.tracks[track].direction){
case Forwards:
Europi.tracks[track].direction = Random;
break;
case Random:
Europi.tracks[track].direction = Pendulum_F;
break;
case Pendulum_F:
case Pendulum_B:
Europi.tracks[track].direction = Backwards;
break;
default:
case Backwards:
Europi.tracks[track].direction = Forwards;
break;
}
}
break;
}
track++;
}
}
void set_step_pitch(int dir, int vel){
int track = 0;
int raw_val;
int current;
int newpitch;
while (track < MAX_TRACKS){
if(Europi.tracks[track].selected == TRUE){
if(Europi.tracks[track].channels[CV_OUT].quantise > 0){
// track is quantised, so just use the direction to
// move to the next note in the scale
if(dir == UP){
// move the raw value of this step up until the next quantisation
// boundary is passed
raw_val = Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].raw_value;
current = quantize(raw_val,Europi.tracks[track].channels[CV_OUT].quantise);
newpitch = current;
while((current == newpitch) && (raw_val <= 60000)){
raw_val += 10;
newpitch = quantize(raw_val,Europi.tracks[track].channels[CV_OUT].quantise);
}
if(raw_val > 60000) raw_val = 60000;
// We've got a new raw value that returns a different quantised value
log_msg("newpitch: %d\n",newpitch);
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].raw_value = newpitch;
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].scaled_value = scale_value(track,newpitch);
}
else{
raw_val = Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].raw_value;
current = quantize(raw_val,Europi.tracks[track].channels[CV_OUT].quantise);
newpitch = current;
while((current == newpitch) && (raw_val > 0)){
raw_val -= 10;
newpitch = quantize(raw_val,Europi.tracks[track].channels[CV_OUT].quantise);
}
if(raw_val < 0) raw_val = 0;
// We've got a new raw value that returns a different quantised value
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].raw_value = newpitch;
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].scaled_value = scale_value(track,newpitch);
}
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].scaled_value = Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].raw_value; //= (uint16_t)(output_scaling * quantized) + Europi.tracks[track].channels[CV_OUT].scale_zero;
DACSingleChannelWrite(track,Europi.tracks[track].channels[CV_OUT].i2c_handle, Europi.tracks[track].channels[CV_OUT].i2c_address, Europi.tracks[track].channels[CV_OUT].i2c_channel, Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].scaled_value);
}
else {
// unquantised tracks use the velocity to move
// the pitch up or down as appropriate
if(vel > 3) vel *= 10;
if (dir == 1) {
if (Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].raw_value <= (60000 - vel)) Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].raw_value += vel;
}
else {
if (Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].raw_value >= vel) Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].raw_value -= vel;
}
Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].scaled_value = Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].raw_value; //= (uint16_t)(output_scaling * quantized) + Europi.tracks[track].channels[CV_OUT].scale_zero;
DACSingleChannelWrite(track,Europi.tracks[track].channels[CV_OUT].i2c_handle, Europi.tracks[track].channels[CV_OUT].i2c_address, Europi.tracks[track].channels[CV_OUT].i2c_channel, Europi.tracks[track].channels[CV_OUT].steps[Europi.tracks[track].current_step].scaled_value);
}
break;
}
}
}
/*
* menu callback to set/display track quantisation
*/
void seq_quantise(void){
save_run_stop = run_stop;
ClearScreenOverlays();
ActiveOverlays |= ovl_SetQuantise;
ClearMenus();
MenuSelectItem(0,0);
btnA_func = btnA_select;
btnB_func = btnB_val_down;
btnC_func = btnC_val_up;
btnD_func = btnD_done;
encoder_focus = track_select;
select_first_track();
}
/*
* menu callback to set/display track direction
*/
void seq_setdir(void){
save_run_stop = run_stop;
ClearScreenOverlays();
ActiveOverlays |= ovl_SetDirection;
ClearMenus();
MenuSelectItem(0,0);
btnA_func = btnA_select;
btnB_func = btnB_val_down;
btnC_func = btnC_val_up;
btnD_func = btnD_done;
encoder_focus = track_select;
select_first_track();
}
/*
* menu callback to set the pitch for each step
*/
void seq_setpitch(void){
save_run_stop = run_stop;
run_stop = STOP;
ClearScreenOverlays();
ActiveOverlays |= ovl_SetPitch;
ClearMenus();
MenuSelectItem(0,0);
btnA_func = btnA_select;
btnB_func = btnB_val_down;
btnC_func = btnC_val_up;
btnD_func = btnD_done;
encoder_focus = track_select;
select_first_track();
}
/*
* menu callback for Sequence -> Set Loop Points
*/
void seq_setloop(void){
save_run_stop = run_stop;
ClearScreenOverlays();
ActiveOverlays |= ovl_SetLoop;
ClearMenus();
MenuSelectItem(0,0);
btnA_func = btnA_select;
btnB_func = btnB_val_down;
btnC_func = btnC_val_up;
btnD_func = btnD_done;
encoder_focus = track_select;
select_first_track();
}
/*
* menu Callback to set Slew type for each step
*/
void seq_setslew(void){
save_run_stop = run_stop;
run_stop = STOP;
ClearScreenOverlays();
ActiveOverlays |= ovl_SetSlew;
ClearMenus();
MenuSelectItem(0,0);
btnA_func = btnA_select;
btnB_func = btnB_val_down;
btnC_func = btnC_val_up;
btnD_func = btnD_done;
encoder_focus = track_select;
select_first_track();
}
/*
* menu callback for Test->Scale Value
*/
void test_scalevalue(void){
int track;
save_run_stop = run_stop;
run_stop = STOP;
ClearScreenOverlays();
ActiveOverlays |= ovl_ScaleValue;
ClearMenus();
MenuSelectItem(0,0);
btnA_func = btnA_none;
btnB_func = btnB_open;
btnC_func = btnC_cancel;
btnD_func = btnD_none;
encoder_focus = track_select;
/* Slight pause to give some threads time to exist */
sleep(2);
/* clear down all Gate outputs */
for (track = 0;track < MAX_TRACKS; track++){
if (Europi.tracks[track].channels[GATE_OUT].enabled == TRUE ){
GATESingleOutput(Europi.tracks[track].channels[GATE_OUT].i2c_handle, Europi.tracks[track].channels[GATE_OUT].i2c_channel,Europi.tracks[track].channels[GATE_OUT].i2c_device,0x00);
}
}
select_first_track();
}
/*
* Menu callback for test->Keyboard
*/
void test_keyboard(void){
save_run_stop = run_stop;
ClearScreenOverlays();
//ActiveOverlays |= ovl_Keyboard;
encoder_focus = keyboard_input;
}
/*
* menu callback for File->Open
*/
void file_open(void){
save_run_stop = run_stop;
//run_stop = STOP;
ClearScreenOverlays();
ClearMenus();
MenuSelectItem(0,0);
btnA_func = btnA_none;
btnB_func = btnB_open;
btnC_func = btnC_cancel;
btnD_func = btnD_none;
ActiveOverlays |= ovl_FileOpen;
encoder_focus = file_open_focus;
// Read the list of files in the resources/sequences directory
file_count = file_list("resources/sequences", &files);
// Sort the array of filenames
qsort(files, file_count, sizeof(char *), cstring_cmp);
file_selected = 0;
first_file = 0;
}
/*
* menu callback for File->Save
*/
void file_save(void){
save_run_stop = run_stop;
//run_stop = STOP;
ClearScreenOverlays();
ClearMenus();
MenuSelectItem(0,0);
FILE * file = fopen(current_filename,"wb");
if (file != NULL) {
fwrite(&Europi,sizeof(struct europi),1,file);
fclose(file);
log_msg("Saved as: %s\n",current_filename);
}
else{
log_msg("Error in file_save: %s",current_filename);
}
}
/*
* menu callback for File->New
*/
void file_new(void){
seq_new();
save_run_stop = run_stop;
//run_stop = STOP;
ClearScreenOverlays();
btnA_func = btnA_none;
btnB_func = btnB_save;
btnC_func = btnC_cancel;
btnD_func = btnD_none;
ActiveOverlays |= ovl_FileSaveAs;
ActiveOverlays |= ovl_Keyboard;
encoder_focus = keyboard_input;
//sprintf(input_txt,"");
*input_txt = 0;
}
/*
* menu callback for File->SaveAs
*/
void file_saveas(void){
save_run_stop = run_stop;
//run_stop = STOP;
ClearScreenOverlays();
btnA_func = btnA_none;
btnB_func = btnB_save;
btnC_func = btnC_cancel;
btnD_func = btnD_none;
ActiveOverlays |= ovl_FileSaveAs;
ActiveOverlays |= ovl_Keyboard;
encoder_focus = keyboard_input;
//sprintf(input_txt,"");
*input_txt = 0;
}
/*
* menu callback for setting Zero level on channels
*/
void config_setzero(void){
int track;
save_run_stop = run_stop;
run_stop = STOP;
btnA_func = btnA_select;
btnB_func = btnB_val_down;
btnC_func = btnC_val_up;
btnD_func = btnD_done;
ClearScreenOverlays();
ActiveOverlays |= ovl_SetZero;
encoder_focus = track_select;
select_first_track();
/* Slight pause to give some threads time to exist */
sleep(2);
/* clear down all Gate outputs */
for (track = 0;track < MAX_TRACKS; track++){
if (Europi.tracks[track].channels[GATE_OUT].enabled == TRUE ){
GATESingleOutput(Europi.tracks[track].channels[GATE_OUT].i2c_handle, Europi.tracks[track].channels[GATE_OUT].i2c_channel,Europi.tracks[track].channels[GATE_OUT].i2c_device,0x00);
}
}
}
/*
* menu callback for setting 10v (MAX) level on channels
*/
void config_setten(void){
int track;
save_run_stop = run_stop;
run_stop = STOP;
ClearScreenOverlays();
btnA_func = btnA_select;
btnB_func = btnB_val_down;
btnC_func = btnC_val_up;
btnD_func = btnD_done;
ActiveOverlays |= ovl_SetTen;
encoder_focus = track_select;
select_first_track();
/* Slight pause to give some threads time to exist */
sleep(2);
/* clear down all Gate outputs */
for (track = 0;track < MAX_TRACKS; track++){
if (Europi.tracks[track].channels[GATE_OUT].enabled == TRUE ){
GATESingleOutput(Europi.tracks[track].channels[GATE_OUT].i2c_handle, Europi.tracks[track].channels[GATE_OUT].i2c_channel,Europi.tracks[track].channels[GATE_OUT].i2c_device,0x00);
}
}
}
/*
* menu callback to set debug on/off
*/
void config_debug(void){
save_run_stop = run_stop;
if(debug == TRUE) debug = FALSE;
else debug = TRUE;
ClearMenus();
MenuSelectItem(0,0);
ActiveOverlays &= !ovl_MainMenu;
}
/*
* menu callback to set Global Tuning flag on/off
*/
void config_tune(void){
save_run_stop = run_stop;
if(TuningOn == TRUE) TuningOn = FALSE;
else TuningOn = TRUE;
ClearMenus();
MenuSelectItem(0,0);
ActiveOverlays &= !ovl_MainMenu;
}
/*
* Set the zero volt level for the passed Track
*/
void set_zero(int Track, long ZeroVal){
if(Europi.tracks[Track].channels[CV_OUT].enabled == TRUE){
Europi.tracks[Track].channels[CV_OUT].scale_zero = ZeroVal;
}
}
/*
* Trigger a controlled shutdown
*/
void file_quit(void){
prog_running = 0;
}
/*
* load_sequence()
* Reads the specified sequence
* TODO: Probably ought to worry about whether
* the sequence being read is the same size & shape
* as our Europi Object?
*/
void load_sequence(const char *filename){
sprintf(current_filename,"%s",filename);
FILE * file = fopen(filename,"rb");
if (file != NULL) {
fread(&Europi, sizeof(struct europi), 1, file);
fclose(file);
// note the file we've just opened
sprintf(current_filename,"%s",filename);
log_msg("Current: %s\n",current_filename);
}
else {
log_msg("Load Sequence error: %s",filename);
}
}
/*
* change the slew type for the selected step
*/
void slew_adjust(int dir, int vel){
char string_buf[20];
if(selected_step >= 0){
//hard-coded to track 0 for the moment
if (dir > 0) {
switch(Europi.tracks[0].channels[0].steps[selected_step].slew_type){
case Off:
Europi.tracks[0].channels[0].steps[selected_step].slew_type = Linear;
break;
case Linear:
Europi.tracks[0].channels[0].steps[selected_step].slew_type = Exponential;
break;
case Exponential:
Europi.tracks[0].channels[0].steps[selected_step].slew_type = RevExp;
break;
case RevExp:
Europi.tracks[0].channels[0].steps[selected_step].slew_type = Off;
break;
default:
Europi.tracks[0].channels[0].steps[selected_step].slew_type = Off;
}
}
else if (dir < 0) {
switch(Europi.tracks[0].channels[0].steps[selected_step].slew_type){
case Off:
Europi.tracks[0].channels[0].steps[selected_step].slew_type = RevExp;
break;
case RevExp:
Europi.tracks[0].channels[0].steps[selected_step].slew_type = Exponential;
break;
case Exponential:
Europi.tracks[0].channels[0].steps[selected_step].slew_type = Linear;
break;
case Linear:
Europi.tracks[0].channels[0].steps[selected_step].slew_type = Off;
break;
default:
Europi.tracks[0].channels[0].steps[selected_step].slew_type = Off;
}
}
}
}
/*
* Change the repeat value for the selected step / channel
*/
void step_repeat(int dir, int vel){
char string_buf[20];
if(selected_step >= 0){
//hard-coded to track 0 for the moment
if (dir > 0) {
switch(Europi.tracks[0].channels[1].steps[selected_step].repetitions){
case 1:
Europi.tracks[0].channels[1].steps[selected_step].repetitions = 2;
break;
case 2:
Europi.tracks[0].channels[1].steps[selected_step].repetitions = 3;
break;
case 3:
Europi.tracks[0].channels[1].steps[selected_step].repetitions = 4;
break;
default:
Europi.tracks[0].channels[1].steps[selected_step].repetitions = 1;
break;
}
}
else if (dir < 0) {
switch(Europi.tracks[0].channels[1].steps[selected_step].repetitions){
case 1:
Europi.tracks[0].channels[1].steps[selected_step].repetitions = 4;
break;
case 2:
Europi.tracks[0].channels[1].steps[selected_step].repetitions = 1;
break;
case 3: