diff options
Diffstat (limited to 'fpga/hw-v2/src/usbrx/usbrx.vhd')
| -rw-r--r-- | fpga/hw-v2/src/usbrx/usbrx.vhd | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/fpga/hw-v2/src/usbrx/usbrx.vhd b/fpga/hw-v2/src/usbrx/usbrx.vhd new file mode 100644 index 0000000..59d4f11 --- /dev/null +++ b/fpga/hw-v2/src/usbrx/usbrx.vhd @@ -0,0 +1,66 @@ +---------------------------------------------------------------------------------------------------
+-- Filename : usbrx.vhd
+-- Project : OsmoSDR FPGA Firmware
+-- Purpose : OsmoSDR package
+---------------------------------------------------------------------------------------------------
+
+-----------------------------------------------------------------------------------
+-- Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany --
+-- written by Matthias Kleffel --
+-- --
+-- 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 as version 3 of the License, or --
+-- --
+-- This program is distributed in the hope that it will be useful, --
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of --
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the --
+-- GNU General Public License V3 for more details. --
+-- --
+-- You should have received a copy of the GNU General Public License --
+-- along with this program. If not, see <http://www.gnu.org/licenses/>. --
+-----------------------------------------------------------------------------------
+
+library ieee;
+ use ieee.std_logic_1164.all;
+ use ieee.numeric_std.all;
+
+package usbrx is
+
+ -- PWM config
+ type usbrx_pwm_config_t is record
+ freq0 : unsigned(15 downto 0);
+ freq1 : unsigned(15 downto 0);
+ duty0 : unsigned(15 downto 0);
+ duty1 : unsigned(15 downto 0);
+ end record;
+
+ -- ADC interface config
+ type usbrx_adc_config_t is record
+ clkdiv : unsigned(7 downto 0);
+ acqlen : unsigned(7 downto 0);
+ end record;
+
+ -- SSC interface config
+ type usbrx_ssc_config_t is record
+ clkdiv : unsigned(7 downto 0);
+ tmode : std_logic;
+ end record;
+
+ -- offset stage
+ type usbrx_off_config_t is record
+ ioff : signed(15 downto 0);
+ qoff : signed(15 downto 0);
+ end record;
+
+ -- decimation filter config
+ type usbrx_fil_config_t is record
+ decim : unsigned(2 downto 0);
+ end record;
+
+end usbrx;
+
+package body usbrx is
+ -- nothing so far
+end usbrx;
+
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