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library- add a timer for quick start

main
Rejeesh Kutty 2017-08-25 13:27:22 -04:00
parent fd8b524953
commit f19b8c62a1
2 changed files with 32 additions and 0 deletions
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16
library/common/up_adc_common.v
View File

@ -138,6 +138,7 @@ module up_adc_common #(
reg [ 7:0] up_usr_chanmax_int = 'd0;
reg [31:0] up_adc_start_code = 'd0;
reg [31:0] up_adc_gpio_out_int = 'd0;
reg [31:0] up_timer = 'd0;
reg up_rack_int = 'd0;
reg [31:0] up_rdata_int = 'd0;
@ -340,6 +341,20 @@ module up_adc_common #(
end
endgenerate
// timer with premature termination
always @(negedge up_rstn or posedge up_clk) begin
if (up_rstn == 0) begin
up_timer <= 32'd0;
end else begin
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h40)) begin
up_timer <= up_wdata;
end else if (up_timer > 0) begin
up_timer <= up_timer - 1'b1;
end
end
end
// processor read interface
assign up_rack = up_rack_int;
@ -377,6 +392,7 @@ module up_adc_common #(
8'h2f: up_rdata_int <= up_adc_gpio_out_int;
8'h30: up_rdata_int <= up_pps_rcounter;
8'h31: up_rdata_int <= {31'b0, up_pps_status};
8'h40: up_rdata_int <= up_timer;
default: up_rdata_int <= 0;
endcase
end else begin

16
library/common/up_dac_common.v
View File

@ -134,6 +134,7 @@ module up_dac_common #(
reg up_status_unf = 'd0;
reg [ 7:0] up_usr_chanmax_int = 'd0;
reg [31:0] up_dac_gpio_out_int = 'd0;
reg [31:0] up_timer = 'd0;
reg up_rack_int = 'd0;
reg [31:0] up_rdata_int = 'd0;
reg dac_sync_d = 'd0;
@ -343,6 +344,20 @@ module up_dac_common #(
end
endgenerate
// timer with premature termination
always @(negedge up_rstn or posedge up_clk) begin
if (up_rstn == 0) begin
up_timer <= 32'd0;
end else begin
if ((up_wreq_s == 1'b1) && (up_waddr[7:0] == 8'h40)) begin
up_timer <= up_wdata;
end else if (up_timer > 0) begin
up_timer <= up_timer - 1'b1;
end
end
end
// processor read interface
assign up_rack = up_rack_int;
@ -380,6 +395,7 @@ module up_dac_common #(
8'h2f: up_rdata_int <= up_dac_gpio_out_int;
8'h30: up_rdata_int <= up_pps_rcounter;
8'h31: up_rdata_int <= up_pps_status;
8'h40: up_rdata_int <= up_timer;
default: up_rdata_int <= 0;
endcase
end else begin