From ef8fd8e53327c042c2444eef7f0d61ee616dd01c Mon Sep 17 00:00:00 2001
From: Linus Nielsen Feltzing <linus@haxx.se>
Date: Fri, 19 Dec 2003 01:24:02 +0000
Subject: Automatic detection of FM radio hardware for V2 recorders

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4165 a1c6a512-1295-4272-9138-f99709370657
---
 apps/recorder/radio.c | 12 ++++++++++++
 apps/recorder/radio.h |  1 +
 2 files changed, 13 insertions(+)

(limited to 'apps/recorder')

diff --git a/apps/recorder/radio.c b/apps/recorder/radio.c
index 0459ff3d74..ab0c1eb004 100644
--- a/apps/recorder/radio.c
+++ b/apps/recorder/radio.c
@@ -74,6 +74,18 @@ void radio_stop(void)
 
 }
 
+bool radio_hardware_present(void)
+{
+    int val;
+    
+    fmradio_set(2, 0x140885); /* 5kHz, 7.2MHz crystal, test mode 1 */
+    val = fmradio_read(0);
+    if(val == 0x140885)
+        return true;
+    else
+        return false;
+}
+
 void radio_set_frequency(int freq)
 {
     /* We add the standard Intermediate Frequency 10.7MHz before calculating
diff --git a/apps/recorder/radio.h b/apps/recorder/radio.h
index 45942a9990..5ddbf13d6b 100644
--- a/apps/recorder/radio.h
+++ b/apps/recorder/radio.h
@@ -22,6 +22,7 @@
 #ifdef HAVE_FMRADIO
 bool radio_screen(void);
 void radio_stop(void);
+bool radio_hardware_present(void);
 
 struct fmstation
 {
-- 
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