From 93e47b922f38b2ab7a6b485361943b8566e56629 Mon Sep 17 00:00:00 2001 From: Linus Nielsen Feltzing Date: Sat, 3 May 2003 23:56:51 +0000 Subject: Finer resolution for the PLL git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3646 a1c6a512-1295-4272-9138-f99709370657 --- apps/recorder/radio.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/apps/recorder/radio.c b/apps/recorder/radio.c index 4f6fca4fa3..839fafe303 100644 --- a/apps/recorder/radio.c +++ b/apps/recorder/radio.c @@ -33,6 +33,7 @@ #define MAX_FREQ (110000000) #define MIN_FREQ (80000000) +#define PLL_FREQ_STEP 10000 #define FREQ_STEP 100000 static int curr_freq = 99400000; @@ -46,7 +47,7 @@ void fm_set_frequency(int freq) ** by 2. */ - pll_cnt = (freq + 10700000) / 50000 / 2; + pll_cnt = (freq + 10700000) / (PLL_FREQ_STEP/2) / 2; /* 0x100000 == FM mode ** 0x000002 == Microprocessor controlled Mute @@ -76,7 +77,7 @@ bool radio_screen(void) mas_codec_writereg(6, 0x4000); - fmradio_set(2, 0x108884); /* 50kHz, 7.2MHz crystal */ + fmradio_set(2, 0x140884); /* 5kHz, 7.2MHz crystal */ fm_set_frequency(curr_freq); while(!done) @@ -133,7 +134,7 @@ bool radio_screen(void) break; case BUTTON_LEFT: - curr_freq -= 100000; + curr_freq -= FREQ_STEP; if(curr_freq < MIN_FREQ) curr_freq = MIN_FREQ; @@ -142,7 +143,7 @@ bool radio_screen(void) break; case BUTTON_RIGHT: - curr_freq += 100000; + curr_freq += FREQ_STEP; if(curr_freq > MAX_FREQ) curr_freq = MAX_FREQ; -- cgit v1.2.3