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Main/cfg.cpp
sorgelig 5a4df1c8a8 Always enable volume control.
2020-03-17 01:27:27 +08:00

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// cfg.c
// 2015, rok.krajnc@gmail.com
// 2017+, Sorgelig
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <ctype.h>
#include "cfg.h"
#include "debug.h"
#include "file_io.h"
#include "user_io.h"
cfg_t cfg;
typedef enum
{
UINT8 = 0, INT8, UINT16, INT16, UINT32, INT32, FLOAT, STRING
} ini_vartypes_t;
typedef struct
{
const char* name;
void* var;
ini_vartypes_t type;
int min;
int max;
} ini_var_t;
static const ini_var_t ini_vars[] =
{
{ "YPBPR", (void*)(&(cfg.ypbpr)), UINT8, 0, 1 },
{ "COMPOSITE_SYNC", (void*)(&(cfg.csync)), UINT8, 0, 1 },
{ "FORCED_SCANDOUBLER", (void*)(&(cfg.forced_scandoubler)), UINT8, 0, 1 },
{ "VGA_SCALER", (void*)(&(cfg.vga_scaler)), UINT8, 0, 1 },
{ "VGA_SOG", (void*)(&(cfg.vga_sog)), UINT8, 0, 1 },
{ "KEYRAH_MODE", (void*)(&(cfg.keyrah_mode)), UINT32, 0, (int)0xFFFFFFFF },
{ "RESET_COMBO", (void*)(&(cfg.reset_combo)), UINT8, 0, 3 },
{ "KEY_MENU_AS_RGUI", (void*)(&(cfg.key_menu_as_rgui)), UINT8, 0, 1 },
{ "VIDEO_MODE", (void*)(cfg.video_conf), STRING, 0, sizeof(cfg.video_conf) - 1 },
{ "VIDEO_MODE_PAL", (void*)(cfg.video_conf_pal), STRING, 0, sizeof(cfg.video_conf_pal) - 1 },
{ "VIDEO_MODE_NTSC", (void*)(cfg.video_conf_ntsc), STRING, 0, sizeof(cfg.video_conf_ntsc) - 1 },
{ "VIDEO_INFO", (void*)(&(cfg.video_info)), UINT8, 0, 10 },
{ "VSYNC_ADJUST", (void*)(&(cfg.vsync_adjust)), UINT8, 0, 2 },
{ "HDMI_AUDIO_96K", (void*)(&(cfg.hdmi_audio_96k)), UINT8, 0, 1 },
{ "DVI_MODE", (void*)(&(cfg.dvi)), UINT8, 0, 1 },
{ "HDMI_LIMITED", (void*)(&(cfg.hdmi_limited)), UINT8, 0, 2 },
{ "KBD_NOMOUSE", (void*)(&(cfg.kbd_nomouse)), UINT8, 0, 1 },
{ "MOUSE_THROTTLE", (void*)(&(cfg.mouse_throttle)), UINT8, 1, 100 },
{ "BOOTSCREEN", (void*)(&(cfg.bootscreen)), UINT8, 0, 1 },
{ "VSCALE_MODE", (void*)(&(cfg.vscale_mode)), UINT8, 0, 3 },
{ "VSCALE_BORDER", (void*)(&(cfg.vscale_border)), UINT16, 0, 399 },
{ "RBF_HIDE_DATECODE", (void*)(&(cfg.rbf_hide_datecode)), UINT8, 0, 1 },
{ "MENU_PAL", (void*)(&(cfg.menu_pal)), UINT8, 0, 1 },
{ "BOOTCORE", (void*)(&(cfg.bootcore)), STRING, 0, sizeof(cfg.bootcore) - 1 },
{ "BOOTCORE_TIMEOUT", (void*)(&(cfg.bootcore_timeout)), INT16, 10, 30 },
{ "FONT", (void*)(&(cfg.font)), STRING, 0, sizeof(cfg.font) - 1 },
{ "FB_SIZE", (void*)(&(cfg.fb_size)), UINT8, 0, 4 },
{ "FB_TERMINAL", (void*)(&(cfg.fb_terminal)), UINT8, 0, 1 },
{ "OSD_TIMEOUT", (void*)(&(cfg.osd_timeout)), INT16, 5, 3600 },
{ "DIRECT_VIDEO", (void*)(&(cfg.direct_video)), UINT8, 0, 1 },
{ "OSD_ROTATE", (void*)(&(cfg.osd_rotate)), UINT8, 0, 2 },
{ "GAMEPAD_DEFAULTS", (void*)(&(cfg.gamepad_defaults)), UINT8, 0, 1 },
{ "RECENTS", (void*)(&(cfg.recents)), UINT8, 0, 1 },
{ "CONTROLLER_INFO", (void*)(&(cfg.controller_info)), UINT8, 0, 10 },
{ "REFRESH_MIN", (void*)(&(cfg.refresh_min)), UINT8, 0, 150 },
{ "REFRESH_MAX", (void*)(&(cfg.refresh_max)), UINT8, 0, 150 },
};
static const int nvars = (int)(sizeof(ini_vars) / sizeof(ini_var_t));
#define INI_EOT 4 // End-Of-Transmission
#define INI_LINE_SIZE 256
#define INI_SECTION_START '['
#define INI_SECTION_END ']'
#define INI_SECTION_INVALID_ID 0
#define CHAR_IS_NUM(c) (((c) >= '0') && ((c) <= '9'))
#define CHAR_IS_ALPHA_LOWER(c) (((c) >= 'a') && ((c) <= 'z'))
#define CHAR_IS_ALPHA_UPPER(c) (((c) >= 'A') && ((c) <= 'Z'))
#define CHAR_IS_ALPHANUM(c) (CHAR_IS_ALPHA_LOWER(c) || CHAR_IS_ALPHA_UPPER(c) || CHAR_IS_NUM(c))
#define CHAR_IS_SPECIAL(c) (((c) == '[') || ((c) == ']') || ((c) == '(') || ((c) == ')') || \
((c) == '-') || ((c) == '+') || ((c) == '/') || ((c) == '=') || \
((c) == '#') || ((c) == '$') || ((c) == '@') || ((c) == '_') || \
((c) == ',') || ((c) == '.') || ((c) == '!') || ((c) == '*'))
#define CHAR_IS_VALID(c) (CHAR_IS_ALPHANUM(c) || CHAR_IS_SPECIAL(c))
#define CHAR_IS_SPACE(c) (((c) == ' ') || ((c) == '\t'))
#define CHAR_IS_LINEEND(c) (((c) == '\n'))
#define CHAR_IS_COMMENT(c) (((c) == ';'))
#define CHAR_IS_QUOTE(c) (((c) == '"'))
fileTYPE ini_file;
int ini_pt = 0;
static char ini_getch()
{
static uint8_t buf[512];
if (!(ini_pt & 0x1ff)) FileReadSec(&ini_file, buf);
if (ini_pt >= ini_file.size) return 0;
return buf[(ini_pt++) & 0x1ff];
}
static int ini_getline(char* line)
{
char c, ignore = 0, skip = 1;
int i = 0;
while ((c = ini_getch()))
{
if (!CHAR_IS_SPACE(c)) skip = 0;
if (i >= (INI_LINE_SIZE - 1) || CHAR_IS_COMMENT(c)) ignore = 1;
if (CHAR_IS_LINEEND(c)) break;
if (CHAR_IS_VALID(c) && !ignore && !skip) line[i++] = c;
}
line[i] = '\0';
return c == 0 ? INI_EOT : 0;
}
static int ini_get_section(char* buf)
{
int i = 0;
// get section start marker
if (buf[0] != INI_SECTION_START)
{
return INI_SECTION_INVALID_ID;
}
else buf++;
int wc_pos = -1;
// get section stop marker
while (1)
{
if (buf[i] == INI_SECTION_END)
{
buf[i] = '\0';
break;
}
if (buf[i] == '*') wc_pos = i;
i++;
if (i >= INI_LINE_SIZE) return INI_SECTION_INVALID_ID;
}
// convert to uppercase
for (i = 0; i < INI_LINE_SIZE; i++)
{
if (!buf[i]) break;
else buf[i] = toupper(buf[i]);
}
if (!strcasecmp(buf, "MiSTer") || ((wc_pos >= 0) ? !strncasecmp(buf, user_io_get_core_name_ex(), wc_pos) : !strcasecmp(buf, user_io_get_core_name_ex())))
{
ini_parser_debugf("Got SECTION '%s'", buf);
return 1;
}
return INI_SECTION_INVALID_ID;
}
static void ini_parse_var(char* buf)
{
int i = 0, j = 0;
int var_id = -1;
// find var
while (1)
{
if (buf[i] == '=')
{
buf[i] = '\0';
break;
}
else if (buf[i] == '\0') return;
i++;
}
// convert to uppercase
for (j = 0; j <= i; j++)
{
if (!buf[j]) break;
else buf[j] = toupper(buf[j]);
}
// parse var
for (j = 0; j < (int)(sizeof(ini_vars) / sizeof(ini_var_t)); j++)
{
if (!strcasecmp(buf, ini_vars[j].name)) var_id = j;
}
// get data
if (var_id != -1)
{
ini_parser_debugf("Got VAR '%s' with VALUE %s", buf, &(buf[i + 1]));
i++;
switch (ini_vars[var_id].type)
{
case UINT8:
*(uint8_t*)(ini_vars[var_id].var) = strtoul(&(buf[i]), NULL, 0);
if (*(uint8_t*)(ini_vars[var_id].var) > ini_vars[var_id].max) *(uint8_t*)(ini_vars[var_id].var) = ini_vars[var_id].max;
if (*(uint8_t*)(ini_vars[var_id].var) < ini_vars[var_id].min) *(uint8_t*)(ini_vars[var_id].var) = ini_vars[var_id].min;
break;
case INT8:
*(int8_t*)(ini_vars[var_id].var) = strtol(&(buf[i]), NULL, 0);
if (*(int8_t*)(ini_vars[var_id].var) > ini_vars[var_id].max) *(int8_t*)(ini_vars[var_id].var) = ini_vars[var_id].max;
if (*(int8_t*)(ini_vars[var_id].var) < ini_vars[var_id].min) *(int8_t*)(ini_vars[var_id].var) = ini_vars[var_id].min;
break;
case UINT16:
*(uint16_t*)(ini_vars[var_id].var) = strtoul(&(buf[i]), NULL, 0);
if (*(uint16_t*)(ini_vars[var_id].var) > ini_vars[var_id].max) *(uint16_t*)(ini_vars[var_id].var) = ini_vars[var_id].max;
if (*(uint16_t*)(ini_vars[var_id].var) < ini_vars[var_id].min) *(uint16_t*)(ini_vars[var_id].var) = ini_vars[var_id].min;
break;
case INT16:
*(int16_t*)(ini_vars[var_id].var) = strtol(&(buf[i]), NULL, 0);
if (*(int16_t*)(ini_vars[var_id].var) > ini_vars[var_id].max) *(int16_t*)(ini_vars[var_id].var) = ini_vars[var_id].max;
if (*(int16_t*)(ini_vars[var_id].var) < ini_vars[var_id].min) *(int16_t*)(ini_vars[var_id].var) = ini_vars[var_id].min;
break;
case UINT32:
*(uint32_t*)(ini_vars[var_id].var) = strtoul(&(buf[i]), NULL, 0);
if (*(uint32_t*)(ini_vars[var_id].var) > (uint32_t)ini_vars[var_id].max) *(uint32_t*)(ini_vars[var_id].var) = ini_vars[var_id].max;
if (*(uint32_t*)(ini_vars[var_id].var) < (uint32_t)ini_vars[var_id].min) *(uint32_t*)(ini_vars[var_id].var) = ini_vars[var_id].min;
break;
case INT32:
*(int32_t*)(ini_vars[var_id].var) = strtol(&(buf[i]), NULL, 0);
if (*(int32_t*)(ini_vars[var_id].var) > ini_vars[var_id].max) *(int32_t*)(ini_vars[var_id].var) = ini_vars[var_id].max;
if (*(int32_t*)(ini_vars[var_id].var) < ini_vars[var_id].min) *(int32_t*)(ini_vars[var_id].var) = ini_vars[var_id].min;
break;
case FLOAT:
*(float*)(ini_vars[var_id].var) = strtof(&(buf[i]), NULL);
if (*(float*)(ini_vars[var_id].var) > ini_vars[var_id].max) *(float*)(ini_vars[var_id].var) = ini_vars[var_id].max;
if (*(float*)(ini_vars[var_id].var) < ini_vars[var_id].min) *(float*)(ini_vars[var_id].var) = ini_vars[var_id].min;
break;
case STRING:
memset(ini_vars[var_id].var, 0, ini_vars[var_id].max);
strncpy((char*)(ini_vars[var_id].var), &(buf[i]), ini_vars[var_id].max);
break;
}
}
}
static void ini_parse(int alt)
{
char line[INI_LINE_SIZE] = { 0 };
int section = INI_SECTION_INVALID_ID;
int line_status;
ini_parser_debugf("Start INI parser for core \"%s\".", user_io_get_core_name_ex());
memset(&ini_file, 0, sizeof(ini_file));
const char *name = cfg_get_name(alt);
if (!FileOpen(&ini_file, name)) return;
ini_parser_debugf("Opened file %s with size %llu bytes.", name, ini_file.size);
ini_pt = 0;
// parse ini
while (1)
{
// get line
line_status = ini_getline(line);
ini_parser_debugf("line(%d): \"%s\".", line_status, line);
if (line[0] == INI_SECTION_START)
{
// if first char in line is INI_SECTION_START, get section
section = ini_get_section(line);
}
else if(section)
{
// otherwise this is a variable, get it
ini_parse_var(line);
}
// if end of file, stop
if (line_status == INI_EOT) break;
}
FileClose(&ini_file);
}
const char* cfg_get_name(uint8_t alt)
{
static char name[64];
strcpy(name, "MiSTer.ini");
if (alt == 1)
{
strcpy(name, "MiSTer_alt_1.ini");
if (FileExists(name)) return name;
return "MiSTer_alt.ini";
}
if (alt && alt < 4) sprintf(name, "MiSTer_alt_%d.ini", alt);
return name;
}
void cfg_parse()
{
memset(&cfg, 0, sizeof(cfg));
cfg.bootscreen = 1;
cfg.fb_terminal = 1;
cfg.controller_info = 6;
ini_parse(altcfg());
}
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