zcy
/
pluto_hdl_adi
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ad7768_evb_sync: Fixed sync issue 

fixed sync inside ad7768_if module;
main
sarpadi 2020-03-04 13:51:10 +02:00 committed by sarpadi
parent 35412c81a9
commit dd47e30431
3 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
projects/ad7768evb/common/ad7768_if.v
View File

@ -48,6 +48,7 @@ module ad7768_if (
output adc_clk,
output reg adc_valid,
output reg [ 31:0] adc_data,
output adc_sync,
// control interface
@ -136,6 +137,7 @@ module ad7768_if (
reg [ 35:0] adc_status_clr_m1 = 'd0;
reg [ 35:0] adc_status_clr = 'd0;
reg [ 35:0] adc_status_clr_d = 'd0;
reg adc_valid_d = 'd0;
// internal signals
@ -245,6 +247,11 @@ module ad7768_if (
// data & status
always @(posedge adc_clk) begin
adc_valid_d <= adc_valid;
end
assign adc_sync = adc_valid & ~adc_valid_d;
always @(posedge adc_clk) begin
adc_valid <= adc_valid_int & adc_enable_int;
adc_data <= {{8{adc_data_int[23]}}, adc_data_int[23:0]};

2
projects/ad7768evb/common/ad7768evb_bd.tcl
View File

@ -3,6 +3,7 @@
create_bd_port -dir I adc_clk
create_bd_port -dir I adc_valid
create_bd_port -dir I adc_sync
create_bd_port -dir I -from 31 -to 0 adc_data
create_bd_port -dir I -from 31 -to 0 adc_gpio_0_i
create_bd_port -dir O -from 31 -to 0 adc_gpio_0_o
@ -39,6 +40,7 @@ ad_ip_parameter ad7768_gpio CONFIG.C_INTERRUPT_PRESENT 1
ad_connect adc_clk ad7768_dma/fifo_wr_clk
ad_connect adc_valid ad7768_dma/fifo_wr_en
ad_connect adc_sync ad7768_dma/fifo_wr_sync
ad_connect adc_data ad7768_dma/fifo_wr_din
ad_connect adc_gpio_0_i ad7768_gpio/gpio_io_i
ad_connect adc_gpio_0_o ad7768_gpio/gpio_io_o

3
projects/ad7768evb/zed/system_top.v
View File

@ -107,6 +107,7 @@ module system_top (
wire adc_clk;
wire adc_valid;
wire adc_sync;
wire [31:0] adc_data;
wire up_sshot;
wire [ 1:0] up_format;
@ -178,6 +179,7 @@ module system_top (
.data_in (data_in),
.adc_clk (adc_clk),
.adc_valid (adc_valid),
.adc_sync (adc_sync),
.adc_data (adc_data),
.up_sshot (up_sshot),
.up_format (up_format),
@ -196,6 +198,7 @@ module system_top (
.adc_gpio_1_o (adc_gpio_o[63:32]),
.adc_gpio_1_t (adc_gpio_t[63:32]),
.adc_valid (adc_valid),
.adc_sync (adc_sync),
.ddr_addr (ddr_addr),
.ddr_ba (ddr_ba),
.ddr_cas_n (ddr_cas_n),