1 files changed, 64 insertions, 0 deletions

diff --git a/utils/nwztools/plattools/test_adc.c b/utils/nwztools/plattools/test_adc.c
new file mode 100644
index 0000000000..52eafd042d
--- /dev/null
+++ b/utils/nwztools/plattools/test_adc.c
@@ -0,0 +1,64 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   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"
+
+int main(int argc, char **argv)
+{
+    /* clear screen and display welcome message */
+    nwz_lcdmsg(true, 0, 0, "test_adc");
+    nwz_lcdmsg(false, 0, 2, "PWR OFF: quit");
+    /* open input device */
+    int input_fd = nwz_key_open();
+    if(input_fd < 0)
+    {
+        nwz_lcdmsg(false, 3, 7, "Cannot open input device");
+        sleep(2);
+        return 1;
+    }
+    /* open adc device */
+    int adc_fd = nwz_adc_open();
+    if(adc_fd < 0)
+    {
+        nwz_lcdmsg(false, 3, 4, "Cannot open adc device");
+        sleep(2);
+        return 1;
+    }
+    /* display input state in a loop */
+    while(1)
+    {
+        /* print channels */
+        for(int i = NWZ_ADC_MIN_CHAN; i <= NWZ_ADC_MAX_CHAN; i++)
+            nwz_lcdmsgf(false, 1, 4 + i, "%s: %d    ", nwz_adc_get_name(i),
+                nwz_adc_get_val(adc_fd, i));
+        /* wait for event (10ms) */
+        int ret = nwz_key_wait_event(input_fd, 10000);
+        if(ret != 1)
+            continue;
+        struct input_event evt;
+        if(nwz_key_read_event(input_fd, &evt) != 1)
+            continue;
+        if(nwz_key_event_get_keycode(&evt) == NWZ_KEY_OPTION && !nwz_key_event_is_press(&evt))
+            break;
+    }
+    /* finish nicely */
+    return 0;
+}
+