1 files changed, 159 insertions, 0 deletions

diff --git a/utils/nwztools/plattools/nwz_lib.c b/utils/nwztools/plattools/nwz_lib.c
new file mode 100644
index 0000000000..ec862e638b
--- /dev/null
+++ b/utils/nwztools/plattools/nwz_lib.c
@@ -0,0 +1,159 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   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"
+
+void nwz_run(const char *file, const char *args[], bool wait)
+{
+    pid_t child_pid = fork();
+    if(child_pid != 0)
+    {
+        if(wait)
+        {
+            int status;
+            waitpid(child_pid, &status, 0);
+        }
+    }
+    else
+    {
+        execvp(file, (char * const *)args);
+        _exit(1);
+    }
+}
+
+void nwz_lcdmsg(bool clear, int x, int y, const char *msg)
+{
+    const char *path_lcdmsg = "/usr/local/bin/lcdmsg";
+    const char *args[16];
+    int index = 0;
+    char locate[32];
+    args[index++] = path_lcdmsg;
+    if(clear)
+        args[index++] = "-c";
+    args[index++] = "-f";
+    args[index++] = "/usr/local/bin/font_08x12.bmp";
+    args[index++] = "-l";
+    sprintf(locate, "%d,%d", x, y);
+    args[index++] = locate;
+    args[index++] = msg;
+    args[index++] = NULL;
+    /* wait for lcdmsg to finish to avoid any race conditions in framebuffer
+     * accesses */
+    nwz_run(path_lcdmsg, args, true);
+}
+
+void nwz_lcdmsgf(bool clear, int x, int y, const char *format, ...)
+{
+    char buffer[1024];
+    va_list args;
+    va_start(args, format);
+    vsprintf(buffer, format, args);
+    va_end(args);
+    nwz_lcdmsg(clear, x, y, buffer);
+}
+
+int nwz_key_open(void)
+{
+    return open("/dev/input/event0", O_RDONLY);
+}
+
+void nwz_key_close(int fd)
+{
+    close(fd);
+}
+
+int nwz_key_get_hold_status(int fd)
+{
+    unsigned long led_hold = 0;
+    if(ioctl(fd, EVIOCGLED(sizeof(led_hold)), &led_hold) < 0)
+        return -1;
+    return led_hold;
+}
+
+int nwz_key_wait_event(int fd, long tmo_us)
+{
+    fd_set rfds;
+    struct timeval tv;
+    struct timeval *tv_ptr = NULL;
+    /* watch the input device */
+    FD_ZERO(&rfds);
+    FD_SET(fd, &rfds);
+    /* setup timeout */
+    if(tmo_us >= 0)
+    {
+        tv.tv_sec = 0;
+        tv.tv_usec = tmo_us;
+        tv_ptr = &tv;
+    }
+    return select(fd + 1, &rfds, NULL, NULL, tv_ptr);
+}
+
+int nwz_key_read_event(int fd, struct input_event *evt)
+{
+    int ret = read(fd, evt, sizeof(struct input_event));
+    if(ret != sizeof(struct input_event))
+        return -1;
+    return 1;
+}
+
+int nwz_key_event_get_keycode(struct input_event *evt)
+{
+    return evt->code & NWZ_KEY_MASK;
+}
+
+bool nwz_key_event_is_press(struct input_event *evt)
+{
+    return evt->value == 0;
+}
+
+bool nwz_key_event_get_hold_status(struct input_event *evt)
+{
+    return !!(evt->code & NWZ_KEY_HOLD_MASK);
+}
+
+static const char *nwz_keyname[NWZ_KEY_MASK + 1] =
+{
+    [0 ... NWZ_KEY_MASK] = "unknown",
+    [NWZ_KEY_PLAY] = "PLAY",
+    [NWZ_KEY_RIGHT] = "RIGHT",
+    [NWZ_KEY_LEFT] = "LEFT",
+    [NWZ_KEY_UP] = "UP",
+    [NWZ_KEY_DOWN] = "DOWN",
+    [NWZ_KEY_ZAPPIN] = "ZAPPIN",
+    [NWZ_KEY_AD0_6] = "AD0_6",
+    [NWZ_KEY_AD0_7] = "AD0_7",
+    [NWZ_KEY_NONE] = "NONE",
+    [NWZ_KEY_VOL_DOWN] = "VOL DOWN",
+    [NWZ_KEY_VOL_UP] = "VOL UP",
+    [NWZ_KEY_BACK] = "BACK",
+    [NWZ_KEY_OPTION] = "OPTION",
+    [NWZ_KEY_BT] = "BT",
+    [NWZ_KEY_AD1_5] = "AD1_5",
+    [NWZ_KEY_AD1_6] = "AD1_6",
+    [NWZ_KEY_AD1_7] = "AD1_7",
+};
+
+const char *nwz_key_get_name(int keycode)
+{
+    if(keycode <0 || keycode > NWZ_KEY_MASK)
+        return "invalid";
+    else
+        return nwz_keyname[keycode];
+}