From 7be0213030d2ce50e618e72b5a90e4c5b63c59a4 Mon Sep 17 00:00:00 2001 From: Tom Date: Tue, 16 Aug 2011 13:19:29 +0200 Subject: checked in clean osmocombb lib --- Src/osmocombb/src/host/rita_pll/mtk_pll.pl | 79 ++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100755 Src/osmocombb/src/host/rita_pll/mtk_pll.pl (limited to 'Src/osmocombb/src/host/rita_pll/mtk_pll.pl') diff --git a/Src/osmocombb/src/host/rita_pll/mtk_pll.pl b/Src/osmocombb/src/host/rita_pll/mtk_pll.pl new file mode 100755 index 0000000..ff931c5 --- /dev/null +++ b/Src/osmocombb/src/host/rita_pll/mtk_pll.pl @@ -0,0 +1,79 @@ +#!/usr/bin/perl + +# Rx Mode and Tx Mode: +# N = Nint + (Nfrac / 130) = (0.5*Fvco) / 26M +# where 0 <= Nfrac < 130 +# where 0 <= Ninit <= 127 (as Nint is 7 bit) +# where Fvco = 4 * Fch (GSM 850/900), Fvco = 2 * Fch (GSM 1800/1900) + +# (Nint + (Nfrac / 130)) * 52 MHz = Fvco + +sub mtk_fvco($$) { + my ($nint, $nfrac) = @_; + return ($nint + ($nfrac / 130)) * (26 * 2) +} + +sub hr() { + printf("======================================================================\n"); +} + +sub vco_print($$$) +{ + my ($nint, $nfrac, $hiband) = @_; + my $fvco = mtk_fvco($nint, $nfrac); + my $mult; + + if ($hiband == 1) { + $mult = 2; + } else { + $mult = 4; + } + + printf("Fch=%4.2f (Fvco=%4.2f, Nint=%03u, Nfrac=%03u)\n", + $fvco/$mult, $fvco, $nint, $nfrac); +} + +#for (my $nint = 0; $nint <= 127; $nint++) { +# for (my $nfrac = 0; $nfrac <= 130; $nfrac++) { +# vco_print($nint, $nfrac); +# } +#} + +printf("PLL Rx Low Band:\n"); +for (my $nint = 68; $nint <= 73; $nint++) { +#for GSM 810 +#for (my $b = 132; $b <= 150; $b++) { + for (my $nfrac = 0; $nfrac <= 130; $nfrac++) { + vco_print($nint, $nfrac, 0); + } +} + +hr(); +printf("PLL Rx High Band:\n"); +for (my $nint = 69; $nint <= 79; $nint++) { + for (my $nfrac = 0; $nfrac <= 130; $nfrac++) { + vco_print($nint, $nfrac, 1); + } +} + +hr(); +printf("PLL Tx Low Band:\n"); +for (my $nint = 63; $nint <= 70; $nint++) { + for (my $nfrac = 0; $nfrac <= 130; $nfrac++) { + vco_print($nint, $nfrac, 0); + } +} + + +hr(); +printf("PLL Tx High Band\n"); +for (my $nint = 65; $nint <= 73; $nint++) { + for (my $nfrac = 0; $nfrac <= 130; $nfrac++) { + vco_print($nint, $nfrac, 1); + } +} + + + +exit(0); + -- cgit v1.2.3-55-g7522