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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2016 Amaury Pouly
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "nwz_lib.h"
#include <string.h>
#include <stdlib.h>
extern char **environ;
const char *white_list[] =
{
"NWZ-E463", "NWZ-E464", "NWZ-E465",
"NWZ-A863", "NWZ-A864", "NWZ-A865", "NWZ-A866", "NWZ-A867",
NULL,
};
/* get model id from ICX_MODEL_ID environment variable */
unsigned long find_model_id(void)
{
const char *mid = getenv("ICX_MODEL_ID");
if(mid == NULL)
return 0;
char *end;
unsigned long v = strtoul(mid, &end, 0);
if(*end)
return 0;
else
return v;
}
unsigned long read32(unsigned char *buf)
{
return buf[0] | buf[1] << 8 | buf[2] << 16 | buf[3] << 24;
}
void write32(unsigned char *buf, unsigned long value)
{
buf[0] = value & 0xff;
buf[1] = (value >> 8) & 0xff;
buf[2] = (value >> 16) & 0xff;
buf[3] = (value >> 24) & 0xff;
}
struct
{
unsigned long dest;
const char *name;
} g_dest_list[] =
{
{ 0, "J" },
{ 1, "U" },
{ 0x101, "U2" },
{ 0x201, "U3" },
{ 0x301, "CA" },
{ 2, "CEV" },
{ 0x102, "CE7" },
{ 3, "CEW" },
{ 0x103, "CEW2" },
{ 4, "CN" },
{ 5, "KR" },
{ 6, "E" },
{ 0x106, "MX" },
{ 0x206, "E2" },
{ 0x306, "MX3" },
{ 7, "TW" },
};
#define NR_DEST (sizeof(g_dest_list) / sizeof(g_dest_list[0]))
int get_dest_index(unsigned long dest)
{
for(size_t i = 0; i < NR_DEST; i++)
if(g_dest_list[i].dest == dest)
return i;
return -1;
}
const char *get_dest_name(unsigned long dest)
{
int index = get_dest_index(dest);
return index < 0 ? "NG" : g_dest_list[index].name;
}
int main(int argc, char **argv)
{
/* clear screen and display welcome message */
nwz_lcdmsg(true, 0, 0, "destination tool");
/* open input device */
int input_fd = nwz_key_open();
if(input_fd < 0)
{
nwz_lcdmsg(false, 3, 4, "Cannot open input device");
sleep(2);
return 1;
}
unsigned long model_id = find_model_id();
if(model_id == 0)
{
nwz_lcdmsg(false, 3, 4, "Cannot get model ID");
sleep(2);
return 1;
}
const char *model_name = nwz_get_model_name(model_id);
if(model_name == NULL)
model_name = "Unknown";
nwz_lcdmsgf(false, 0, 2, "Model ID: %#x", model_id);
nwz_lcdmsgf(false, 0, 3, "Model Name: %s", model_name);
nwz_lcdmsg(false, 0, 5, "BACK: quit");
nwz_lcdmsg(false, 0, 6, "LEFT/RIGHT: change dest");
nwz_lcdmsg(false, 0, 7, "PLAY/PAUSE: change sps");
bool ok_model = false;
for(int i = 0; white_list[i]; i++)
if(strcmp(white_list[i], model_name) == 0)
ok_model = true;
/* display input state in a loop */
while(1)
{
unsigned char nvp_buf[20];
bool ok_nvp = false;
if(ok_model)
{
int fd = open("/dev/icx_nvp/011", O_RDONLY);
if(fd >= 0)
{
ssize_t cnt = read(fd, nvp_buf, sizeof(nvp_buf));
if(cnt == (ssize_t)sizeof(nvp_buf))
ok_nvp = true;
else
nwz_lcdmsg(false, 1, 9, "Cannot read NVP.\n");
close(fd);
}
else
nwz_lcdmsg(false, 1, 9, "Cannot open NVP.\n");
}
else
{
nwz_lcdmsg(false, 1, 9, "Your model is not supported.\n");
nwz_lcdmsg(false, 1, 10, "Please contact a developer.\n");
}
/* display information */
if(ok_nvp)
{
unsigned long dest = read32(nvp_buf);
unsigned long sps = read32(nvp_buf + 4);
const char *dest_name = get_dest_name(dest);
const char *sps_name = sps ? "ON" : "OFF";
nwz_lcdmsgf(false, 1, 9, "DEST: %s (%#x) ", dest_name, dest);
nwz_lcdmsgf(false, 1, 10, "SPS: %s (%d) ", sps_name, sps);
}
/* wait for event */
int ret = nwz_key_wait_event(input_fd, -1);
if(ret != 1)
continue;
struct input_event evt;
if(nwz_key_read_event(input_fd, &evt) != 1)
continue;
/* only act on release */
if(nwz_key_event_is_press(&evt))
continue;
int keycode = nwz_key_event_get_keycode(&evt);
if(keycode == NWZ_KEY_BACK)
break;
bool write_nvp = false;
if(keycode == NWZ_KEY_LEFT || keycode == NWZ_KEY_RIGHT)
{
int dest_idx = get_dest_index(read32(nvp_buf));
/* if destination is unknown, replace by the first one */
if(dest_idx == -1)
dest_idx = 0;
if(keycode == NWZ_KEY_LEFT)
dest_idx--;
else
dest_idx++;
dest_idx = (dest_idx + NR_DEST) % NR_DEST;
write32(nvp_buf, g_dest_list[dest_idx].dest);
write_nvp = true;
}
else if(keycode == NWZ_KEY_PLAY)
{
/* change 0 to 1 and anything nonzero to 0 */
write32(nvp_buf + 4, read32(nvp_buf + 4) == 0 ? 1 : 0);
write_nvp = true;
}
/* write nvp */
if(ok_nvp && write_nvp)
{
int fd = open("/dev/icx_nvp/011", O_RDWR);
if(fd >= 0)
{
ssize_t cnt = write(fd, nvp_buf, sizeof(nvp_buf));
if(cnt != (ssize_t)sizeof(nvp_buf))
nwz_lcdmsg(false, 1, 12, "Cannot write NVP.\n");
close(fd);
}
else
nwz_lcdmsg(false, 1, 12, "Cannot open NVP.\n");
}
}
/* finish nicely */
return 0;
}
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