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adaq7980: Add an trigger generator for SPI offload

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Istvan Csomortani 2017-01-11 19:33:37 +02:00
parent 63cab50872
commit fbccb377cc
2 changed files with 29 additions and 9 deletions
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16
library/util_pulse_gen/util_pulse_gen_ip.tcl Normal file
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@ -0,0 +1,16 @@
source ../scripts/adi_env.tcl
source $ad_hdl_dir/library/scripts/adi_ip.tcl
adi_ip_create util_pulse_gen
adi_ip_files util_pulse_gen [list \
"$ad_hdl_dir/library/common/util_pulse_gen.v"]
adi_ip_properties_lite util_pulse_gen
ipx::remove_all_bus_interface [ipx::current_core]
ipx::infer_bus_interface clk xilinx.com:signal:clock_rtl:1.0 [ipx::current_core]
ipx::infer_bus_interface rstn xilinx.com:signal:reset_rtl:1.0 [ipx::current_core]
ipx::save_core [ipx::current_core]

22
projects/adaq7980_sdz/common/adaq7980_bd.tcl
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@ -16,15 +16,19 @@ current_bd_instance /spi
set axi_spi_engine [create_bd_cell -type ip -vlnv analog.com:user:axi_spi_engine:1.0 axi]
set spi_engine_offload [create_bd_cell -type ip -vlnv analog.com:user:spi_engine_offload:1.0 offload]
set spi_engine_interconnect [create_bd_cell -type ip -vlnv analog.com:user:spi_engine_interconnect:1.0 interconnect]
set util_sigma_delta_spi [create_bd_cell -type ip -vlnv analog.com:user:util_sigma_delta_spi:1.0 util_sigma_delta_spi]
set spi_engine_trigger_gen [create_bd_cell -type ip -vlnv analog.com:user:util_pulse_gen:1.0 trigger_gen]
set_property -dict [list CONFIG.DATA_WIDTH 16] $spi_engine_offload
set_property -dict [list CONFIG.DATA_WIDTH 16] $axi_spi_engine
set_property -dict [list CONFIG.DATA_WIDTH 16] $spi_engine_interconnect
set_property -dict [list CONFIG.DATA_WIDTH 16] $spi_engine
## to setup the sample rate of the system change the PULSE_PERIOD value
## the acutal sample rate will be PULSE_PERIOD * (1/sys_cpu_clk)
set_property -dict [list CONFIG.PULSE_PERIOD 100] $spi_engine_trigger_gen
set_property -dict [list CONFIG.PULSE_WIDTH 1] $spi_engine_trigger_gen
set_property -dict [list CONFIG.NUM_OF_CS 1] $spi_engine
set_property -dict [list CONFIG.NUM_OF_CS 1] $util_sigma_delta_spi
set_property -dict [list CONFIG.NUM_OFFLOAD 1] $axi_spi_engine
ad_connect axi/spi_engine_offload_ctrl0 offload/spi_engine_offload_ctrl
@ -33,11 +37,7 @@ current_bd_instance /spi
ad_connect interconnect/m_ctrl execution/ctrl
ad_connect offload/offload_sdi M_AXIS_SAMPLE
ad_connect util_sigma_delta_spi/data_ready offload/trigger
ad_connect execution/active util_sigma_delta_spi/spi_active
ad_connect execution/spi util_sigma_delta_spi/s_spi
ad_connect util_sigma_delta_spi/m_spi m_spi
ad_connect execution/spi m_spi
ad_connect clk offload/spi_clk
ad_connect clk offload/ctrl_clk
@ -45,12 +45,16 @@ current_bd_instance /spi
ad_connect clk axi/s_axi_aclk
ad_connect clk axi/spi_clk
ad_connect clk interconnect/clk
ad_connect clk util_sigma_delta_spi/clk
ad_connect clk trigger_gen/clk
ad_connect axi/spi_resetn offload/spi_resetn
ad_connect axi/spi_resetn execution/resetn
ad_connect axi/spi_resetn interconnect/resetn
ad_connect axi/spi_resetn util_sigma_delta_spi/resetn
ad_connect axi/spi_resetn trigger_gen/rstn
ad_connect trigger_gen/pulse_period_en GND
ad_connect trigger_gen/pulse_period GND
ad_connect trigger_gen/pulse offload/trigger
ad_connect resetn axi/s_axi_aresetn
ad_connect irq axi/irq