| Line 16... |
Line 16... |
-- See the License for the specific language governing permissions and
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-- See the License for the specific language governing permissions and
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-- limitations under the License.
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-- limitations under the License.
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--
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--
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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|
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LIBRARY IEEE, common_pkg_lib, common_ram_lib, common_counter_lib, mm_lib, technology_lib, dp_pkg_lib;
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LIBRARY IEEE, common_pkg_lib, astron_ram_lib, astron_counter_lib, astron_mm_lib, dp_pkg_lib;
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USE IEEE.std_logic_1164.ALL;
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USE IEEE.std_logic_1164.ALL;
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USE common_pkg_lib.common_pkg.ALL;
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USE common_pkg_lib.common_pkg.ALL;
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USE common_ram_lib.common_ram_pkg.ALL;
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USE astron_ram_lib.common_ram_pkg.ALL;
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USE mm_lib.common_field_pkg.ALL;
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USE astron_mm_lib.common_field_pkg.ALL;
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USE dp_pkg_lib.dp_stream_pkg.ALL;
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USE dp_pkg_lib.dp_stream_pkg.ALL;
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USE technology_lib.technology_select_pkg.ALL;
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--USE technology_lib.technology_select_pkg.ALL;
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|
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-- Purpose:
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-- Purpose:
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-- Store the (auto)power statistics of a complex input stream with
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-- Store the (auto)power statistics of a complex input stream with
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-- blocks of nof_stat multiplexed subbands into a MM register.
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-- blocks of nof_stat multiplexed subbands into a MM register.
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-- Description:
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-- Description:
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| Line 52... |
Line 52... |
-- . The minimum g_nof_stat = 8. Lower values lead to simulation errors. This is
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-- . The minimum g_nof_stat = 8. Lower values lead to simulation errors. This is
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-- due to the read latency of 2 of the accumulation memory in the st_calc entity.
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-- due to the read latency of 2 of the accumulation memory in the st_calc entity.
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ENTITY st_sst IS
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ENTITY st_sst IS
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GENERIC (
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GENERIC (
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g_technology : NATURAL := c_tech_select_default;
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g_technology : NATURAL := 0;
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g_nof_stat : NATURAL := 512; -- nof accumulators
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g_nof_stat : NATURAL := 512; -- nof accumulators
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g_xst_enable : BOOLEAN := FALSE; -- when set to true, an extra memory is instantiated to hold the imaginary part of the cross-correlation results
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g_xst_enable : BOOLEAN := FALSE; -- when set to true, an extra memory is instantiated to hold the imaginary part of the cross-correlation results
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g_in_data_w : NATURAL := 18; -- width o dth edata to be accumulated
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g_in_data_w : NATURAL := 18; -- width o dth edata to be accumulated
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g_stat_data_w : NATURAL := 54; -- statistics accumulator width
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g_stat_data_w : NATURAL := 54; -- statistics accumulator width
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g_stat_data_sz : NATURAL := 2 -- statistics word width >= statistics accumulator width and fit in a power of 2 multiple 32b MM words
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g_stat_data_sz : NATURAL := 2 -- statistics word width >= statistics accumulator width and fit in a power of 2 multiple 32b MM words
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| Line 127... |
Line 127... |
BEGIN
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BEGIN
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------------------------------------------------------------------------------
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------------------------------------------------------------------------------
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-- Register map for the treshold register
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-- Register map for the treshold register
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------------------------------------------------------------------------------
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------------------------------------------------------------------------------
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register_map : ENTITY mm_lib.mm_fields
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register_map : ENTITY astron_mm_lib.mm_fields
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GENERIC MAP(
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GENERIC MAP(
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g_cross_clock_domain => TRUE,
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g_cross_clock_domain => TRUE,
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g_field_arr => c_field_arr
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g_field_arr => c_field_arr
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)
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)
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PORT MAP (
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PORT MAP (
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| Line 181... |
Line 181... |
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------------------------------------------------------------------------------
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------------------------------------------------------------------------------
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-- Counter used to detect when treshold is reached in order to load new
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-- Counter used to detect when treshold is reached in order to load new
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-- input vlaues for the multiplier.
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-- input vlaues for the multiplier.
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------------------------------------------------------------------------------
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------------------------------------------------------------------------------
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treshold_cnt : ENTITY common_counter_lib.common_counter
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treshold_cnt : ENTITY astron_counter_lib.common_counter
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GENERIC MAP(
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GENERIC MAP(
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g_latency => 1,
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g_latency => 1,
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g_init => 0,
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g_init => 0,
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g_width => c_nof_stat_w,
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g_width => c_nof_stat_w,
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g_max => 0,
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g_max => 0,
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| Line 229... |
Line 229... |
);
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);
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wrdata_re <= RESIZE_MEM_UDATA(stat_data_re);
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wrdata_re <= RESIZE_MEM_UDATA(stat_data_re);
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wrdata_im <= RESIZE_MEM_UDATA(stat_data_im);
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wrdata_im <= RESIZE_MEM_UDATA(stat_data_im);
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|
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stat_reg_re : ENTITY common_ram_lib.common_ram_crw_crw_ratio
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stat_reg_re : ENTITY astron_ram_lib.common_ram_crw_crw_ratio
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GENERIC MAP (
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GENERIC MAP (
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g_technology => g_technology,
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g_technology => g_technology,
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g_ram_a => c_mm_ram,
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g_ram_a => c_mm_ram,
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g_ram_b => c_stat_ram,
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g_ram_b => c_stat_ram,
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g_init_file => "UNUSED"
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g_init_file => "UNUSED"
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| Line 269... |
Line 269... |
---------------------------------------------------------------
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---------------------------------------------------------------
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-- COMBINE MEMORY MAPPED INTERFACES
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-- COMBINE MEMORY MAPPED INTERFACES
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---------------------------------------------------------------
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---------------------------------------------------------------
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-- Combine the internal array of mm interfaces for both real
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-- Combine the internal array of mm interfaces for both real
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-- and imaginary part.
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-- and imaginary part.
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u_mem_mux_select : entity mm_lib.common_mem_mux
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u_mem_mux_select : entity astron_mm_lib.common_mem_mux
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generic map (
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generic map (
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g_nof_mosi => c_nof_complex,
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g_nof_mosi => c_nof_complex,
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g_mult_addr_w => c_nof_word_w
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g_mult_addr_w => c_nof_word_w
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)
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)
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port map (
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port map (
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| Line 281... |
Line 281... |
miso => ram_st_sst_miso,
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miso => ram_st_sst_miso,
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mosi_arr => ram_st_sst_mosi_arr,
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mosi_arr => ram_st_sst_mosi_arr,
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miso_arr => ram_st_sst_miso_arr
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miso_arr => ram_st_sst_miso_arr
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);
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);
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stat_reg_im : ENTITY common_ram_lib.common_ram_crw_crw_ratio
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stat_reg_im : ENTITY astron_ram_lib.common_ram_crw_crw_ratio
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GENERIC MAP (
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GENERIC MAP (
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g_technology => g_technology,
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g_technology => g_technology,
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g_ram_a => c_mm_ram,
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g_ram_a => c_mm_ram,
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g_ram_b => c_stat_ram,
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g_ram_b => c_stat_ram,
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g_init_file => "UNUSED"
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g_init_file => "UNUSED"
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