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#include <stdlib.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include "main.h"
#include "config.h"
int g_midi_main_control = -1;
int g_midi_main_channel = 0;
int g_midi_two_octave_split = 256 / 2;
int g_midi_three_octave_split_1 = 256 / 3;
int g_midi_three_octave_split_2 = 512 / 3;
int g_midi_three_octave_split_inverse = 0;
int g_settled_dist = 5;
int g_timetosilence = 30;
int g_min_y = 0, g_max_y;
static char *midi_note[] = {
"C-1", "C#-1", "D-1", "D#-1", "E-1", "F-1", "F#-1", "G-1", "G#-1", "A-1", "A#-1", "B-1",
"C0", "C#0", "D0", "D#0", "E0", "F0", "F#0", "G0", "G#0", "A0", "A#0", "B0",
"C1", "C#1", "D1", "D#1", "E1", "F1", "F#1", "G1", "G#1", "A1", "A#1", "B1",
"C2", "C#2", "D2", "D#2", "E2", "F2", "F#2", "G2", "G#2", "A2", "A#2", "B2",
"C3", "C#3", "D3", "D#3", "E3", "F3", "F#3", "G3", "G#3", "A3", "A#3", "B3",
"C4", "C#4", "D4", "D#4", "E4", "F4", "F#4", "G4", "G#4", "A4", "A#4", "B4",
"C5", "C#5", "D5", "D#5", "E5", "F5", "F#5", "G5", "G#5", "A5", "A#5", "B5",
"C6", "C#6", "D6", "D#6", "E6", "F6", "F#6", "G6", "G#6", "A6", "A#6", "B6",
"C7", "C#7", "D7", "D#7", "E7", "F7", "F#7", "G7", "G#7", "A7", "A#7", "B7",
"C8", "C#8", "D8", "D#8", "E8", "F8", "F#8", "G8", "G#8", "A8", "A#8", "B8",
"C9", "C#9", "D9", "D#9", "E9", "F9", "F#9", "G9", "G#9", "A9", "A#9", "B9"
};
static uint8_t
config_midi_note_from_string(char *string)
{
int i;
for (i = 0; i < sizeof(midi_note) / sizeof(*midi_note); ++i)
if (!strncasecmp(string, midi_note[i], strlen(midi_note[i])))
return i;
return 0xff;
}
char *config_midi_note_to_string(int string) {
return midi_note[string];
}
#define LINEBUFFER 512
static char *config_file;
void
config_parse(char *config_file_in)
{
FILE *fh;
char line_in[LINEBUFFER];
int current_string = -1;
if (!config_file_in && !config_file)
return;
if (config_file_in)
config_file = config_file_in;
fh = fopen(config_file, "r");
if (!fh) {
fprintf(stderr, "Couldn't open config file %s, exiting.\n", config_file);
exit(1);
}
//Reinitialise string config array
memset(g_string_conf, 0, sizeof(g_string_conf));
g_max_y = 1024;
while (!feof(fh)) {
char *line = fgets(line_in, LINEBUFFER, fh);
if (!line)
break;
//Skip leading spaces
while (isspace(*line))
++line;
if (*line == 0 || *line == '#' || *line == '\n')
continue;
if (!strncasecmp(line, "Strings", 7) && isspace(line[7])) {
line += 7;
while (isspace(*line))
++line;
g_string_count = atol(line);
if (!g_string_count || g_string_count > MAX_LINECOUNT) {
fprintf(stderr, "Incorrect number of strings: %s\n", line);
exit(1);
}
printf("GLOBAL: Configuring expected lines %d\n", g_string_count);
} else if (!strncasecmp(line, "String", 6) && isspace(line[6])) {
line += 6;
while (isspace(*line))
++line;
current_string = atol(line);
printf("Switching to string: %d\n", current_string);
if (current_string < 0 || current_string > g_string_count) {
fprintf(stderr, "Incorrect string selected: %s\n", line);
exit(1);
}
} else if (!strncasecmp(line, "Line", 4) && isspace(line[4])) {
LLine *l = &g_string_conf[current_string - 1].line;
if (current_string == -1) {
fprintf(stderr, "No string selected yet.\n");
exit(1);
}
line += 4;
while (isspace(*line))
++line;
if (sscanf(line, "%d %d %d %d", &l->x0, &l->y0, &l->x1, &l->y1) != 4) {
fprintf(stderr, "Incorrect Line statement for string\n");
exit(1);
}
if (l->y0 > l->y1) {
l->y0 ^= l->y1;
l->y1 ^= l->y0;
l->y0 ^= l->y1;
l->x0 ^= l->x1;
l->x1 ^= l->x0;
l->x0 ^= l->x1;
}
if (l->y0 > g_min_y)
g_min_y = l->y0;
if (l->y1 < g_max_y)
g_max_y = l->y1;
} else if (!strncasecmp(line, "Mode", 4) && isspace(line[4])) {
if (current_string == -1) {
fprintf(stderr, "No string selected yet.\n");
exit(1);
}
line += 4;
while (isspace(*line))
++line;
if (!strncasecmp(line, "midi_one_octave", 15) && (!line[15] || isspace(line[15]))) {
g_string_conf[current_string - 1].mode = midi_one_octave;
printf("String %d is midi_one_octave\n", current_string);
} else if (!strncasecmp(line, "midi_two_octaves", 16) && (!line[16] || isspace(line[16]))) {
g_string_conf[current_string - 1].mode = midi_two_octaves;
printf("String %d is midi_two_octaves\n", current_string);
} else if (!strncasecmp(line, "midi_three_octaves", 18) && (!line[18] || isspace(line[18]))) {
g_string_conf[current_string - 1].mode = midi_three_octaves;
printf("String %d is midi_three_octaves\n", current_string);
} else if (!strncasecmp(line, "midi_control", 12) && (!line[12] || isspace(line[12]))) {
g_string_conf[current_string - 1].mode = midi_control;
printf("String %d is midi_control\n", current_string);
} else if (!strncasecmp(line, "midi_control_inverse", 20) && (!line[20] || isspace(line[20]))) {
g_string_conf[current_string - 1].mode = midi_control_inv;
printf("String %d is midi_control_inverse\n", current_string);
} else {
fprintf(stderr, "Illegal Mode for string: %s\n", line);
exit(1);
}
} else if (!strncasecmp(line, "Channel", 7) && isspace(line[7])) {
if (current_string == -1) {
fprintf(stderr, "No string selected yet.\n");
exit(1);
}
line += 7;
while (isspace(*line))
++line;
g_string_conf[current_string - 1].channel = atol(line);
if (g_string_conf[current_string - 1].channel > 16) {
fprintf(stderr, "Incorrect channel specified: %s.\n", line);
exit(1);
}
printf("String %d is on channel %d\n", current_string, g_string_conf[current_string - 1].channel);
} else if (!strncasecmp(line, "Note", 4) && isspace(line[4])) {
if (current_string == -1) {
fprintf(stderr, "No string selected yet.\n");
exit(1);
}
line += 4;
while (isspace(*line))
++line;
g_string_conf[current_string - 1].note = config_midi_note_from_string(line);
if (g_string_conf[current_string - 1].note == 0xff) {
fprintf(stderr, "Unknown midi note specified: %s.\n", line);
exit(1);
}
printf("String %d is midi note %d\n", current_string, g_string_conf[current_string - 1].note);
} else if (!strncasecmp(line, "AfterTouch", 10) && isspace(line[10])) {
if (current_string == -1) {
fprintf(stderr, "No string selected yet.\n");
exit(1);
}
line += 10;
while (isspace(*line))
++line;
if (!strncasecmp(line, "none", 4) && (!line[4] || isspace(line[4]))) {
g_string_conf[current_string - 1].modifier = none;
printf("String %d does not act aftertouch\n", current_string);
} else if (!strncasecmp(line, "pitch_bend_up", 13) && (!line[13] || isspace(line[13]))) {
g_string_conf[current_string - 1].modifier = pitch_bend_up;
printf("String %d acts aftertouch as pitch_bend_up\n", current_string);
} else if (!strncasecmp(line, "pitch_bend_down", 15) && (!line[15] || isspace(line[15]))) {
g_string_conf[current_string - 1].modifier = pitch_bend_down;
printf("String %d acts aftertouch as pitch_bend_down\n", current_string);
} else if (!strncasecmp(line, "midi_control", 12) && (!line[12] || isspace(line[12]))) {
g_string_conf[current_string - 1].modifier = midi_controller;
printf("String %d acts aftertouch as midi_controller\n", current_string);
} else if (!strncasecmp(line, "midi_control_inverse", 20) && (!line[20] || isspace(line[20]))) {
g_string_conf[current_string - 1].modifier = midi_controller_inv;
printf("String %d acts aftertouch as midi_controller_inverse\n", current_string);
} else {
fprintf(stderr, "Illegal Modifier for string: %s\n", line);
exit(1);
}
} else if (!strncasecmp(line, "Controller", 10) && isspace(line[10])) {
if (current_string == -1) {
fprintf(stderr, "No string selected yet.\n");
exit(1);
}
line += 10;
while (isspace(*line))
++line;
g_string_conf[current_string - 1].controller = atol(line);
printf("String %d is on midi_controller line %d\n", current_string, g_string_conf[current_string - 1].controller);
} else if (!strncasecmp(line, "TimeToSilence", 13) && isspace(line[13])) {
if (current_string == -1) {
fprintf(stderr, "No string selected yet.\n");
exit(1);
}
line += 13;
while (isspace(*line))
++line;
g_string_conf[current_string - 1].timetosilence = atol(line);
printf("String %d has a timetosilence of %d\n", current_string, g_string_conf[current_string - 1].timetosilence);
} else if (!strncasecmp(line, "midi_two_octave_split", 21) && isspace(line[21])) {
line += 21;
while (isspace(*line))
++line;
g_midi_two_octave_split = atol(line);
printf("Splitting TWO octaves at %d%%\n", g_midi_two_octave_split);
if (g_midi_two_octave_split < 0 || g_midi_two_octave_split > 100) {
fprintf(stderr, "Invalid percentage in line: %s\n", line);
exit(1);
}
g_midi_two_octave_split = (256 * g_midi_two_octave_split) / 100;
} else if (!strncasecmp(line, "midi_three_octave_split_1", 25) && isspace(line[25])) {
line += 25;
while (isspace(*line))
++line;
g_midi_three_octave_split_1 = atol(line);
printf("Splitting THREE octaves top above %d%%\n", g_midi_three_octave_split_1);
if (g_midi_three_octave_split_1 < 0 || g_midi_three_octave_split_1 > 100) {
fprintf(stderr, "Invalid percentage in line: %s\n", line);
exit(1);
}
g_midi_three_octave_split_1 = (256 * g_midi_three_octave_split_1) / 100;
} else if (!strncasecmp(line, "midi_three_octave_split_2", 25) && isspace(line[25])) {
line += 25;
while (isspace(*line))
++line;
g_midi_three_octave_split_2 = atol(line);
printf("Splitting THREE octaves bottom below %d%%\n", g_midi_three_octave_split_2);
if (g_midi_three_octave_split_2 < 0 || g_midi_three_octave_split_2 > 100) {
fprintf(stderr, "Invalid percentage in line: %s\n", line);
exit(1);
}
g_midi_three_octave_split_2 = (256 * g_midi_three_octave_split_2) / 100;
} else if (!strncasecmp(line, "midi_main_control", 17) && isspace(line[17])) {
line += 17;
while (isspace(*line))
++line;
g_midi_main_control = atol(line);
printf("All Strings modify controller %d\n", g_midi_main_control);
if (g_midi_main_control > 127) {
fprintf(stderr, "Invalid controller number %d in line: %s\n", g_midi_main_control, line);
exit(1);
}
} else if (!strncasecmp(line, "midi_main_channel", 17) && isspace(line[17])) {
line += 17;
while (isspace(*line))
++line;
g_midi_main_channel = atol(line);
printf("All Strings modify controller %d on channel %d\n", g_midi_main_control, g_midi_main_channel);
if (g_midi_main_channel < 1 || g_midi_main_channel > 16) {
fprintf(stderr, "Invalid channel number %d in line: %s\n", g_midi_main_channel, line);
exit(1);
}
} else {
fprintf(stderr, "Unhandled config line: %s\n", line);
exit(1);
}
// split also true for two octaves
if (g_midi_three_octave_split_2 < g_midi_three_octave_split_1) {
g_midi_three_octave_split_inverse = g_midi_three_octave_split_1;
g_midi_three_octave_split_1 = g_midi_three_octave_split_2;
g_midi_three_octave_split_2 = g_midi_three_octave_split_inverse;
g_midi_three_octave_split_inverse = 1;
} else
g_midi_three_octave_split_inverse = 0;
}
fclose(fh);
}
void
config_write()
{
}
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