From 87983abfcf435dda245813d3d8916feefba6bf60 Mon Sep 17 00:00:00 2001
From: irobo <pav9551@yandex.ru>
Date: Wed, 13 May 2026 07:54:08 +0300
Subject: [PATCH] added 10Hz

---
 blink.qsf       |  4 ++++
 blink.v         | 60 ++++++++++++++++++++++++++++++++++++++-----------
 output_file.cof |  2 +-
 output_file.map |  2 +-
 4 files changed, 53 insertions(+), 15 deletions(-)

diff --git a/blink.qsf b/blink.qsf
index ca0e31f..23c6cc6 100644
--- a/blink.qsf
+++ b/blink.qsf
@@ -61,4 +61,8 @@ set_global_assignment -name POWER_BOARD_THERMAL_MODEL "NONE (CONSERVATIVE)"
 set_global_assignment -name PARTITION_NETLIST_TYPE SOURCE -section_id Top
 set_global_assignment -name PARTITION_FITTER_PRESERVATION_LEVEL PLACEMENT_AND_ROUTING -section_id Top
 set_global_assignment -name PARTITION_COLOR 16764057 -section_id Top
+set_location_assignment PIN_7 -to pin
+set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to pin
+set_location_assignment PIN_10 -to pin_10
+set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to pin_10
 set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top
\ No newline at end of file
diff --git a/blink.v b/blink.v
index 3818e5f..b269117 100644
--- a/blink.v
+++ b/blink.v
@@ -1,21 +1,55 @@
-module blink(
-    input clk,
-    output reg led
+module blink #(
+    // Выбор частоты мигания (F_BLINK), Гц:
+    // 1    -> 1
+    // 2.5  -> 25   (см. ниже, делим на 10)
+    // 5    -> 5
+    // 10   -> 10
+    parameter integer MODE = 4  // по умолчанию 1 Гц
+)(
+    input  wire clk,     // 50 MHz
+    output reg  led,
+    output reg  pin,
+	 output reg  pin_10
 );
 
-localparam MAX_COUNT = 50_000_000 - 1; // для 50 MHz → ~1 секунда
+localparam integer F_CLK = 50_000_000;
 
-reg [26:0] cnt;// 2^26 = 67_108_864
+// Предрасчитанные MAX_COUNT для половины периода:
+//
+// 1   Гц: T=1 c   → T/2=0.5 c   → 25_000_000
+// 2.5 Гц: T=0.4 c → T/2=0.2 c   → 10_000_000
+// 5   Гц: T=0.2 c → T/2=0.1 c   → 5_000_000
+// 10  Гц: T=0.1 c → T/2=0.05 c  → 2_500_000
 
-always @(posedge clk)
-begin
-    if(cnt >= MAX_COUNT)
-    begin
+localparam integer MAX_1HZ   = 25_000_000 - 1;
+localparam integer MAX_2_5HZ = 10_000_000 - 1;
+localparam integer MAX_5HZ   = 5_000_000  - 1;
+localparam integer MAX_10HZ  = 2_500_000  - 1;
+
+// Выбор MAX_COUNT по MODE
+// MODE:
+// 1 -> 1 Гц
+// 2 -> 2.5 Гц
+// 3 -> 5 Гц
+// 4 -> 10 Гц
+localparam integer MAX_COUNT =
+    (MODE == 1) ? MAX_1HZ   :
+    (MODE == 2) ? MAX_2_5HZ :
+    (MODE == 3) ? MAX_5HZ   :
+    (MODE == 4) ? MAX_10HZ  :
+                  MAX_1HZ;  // по умолчанию 1 Гц
+
+reg [25:0] cnt; // хватает до > 33 млн (2^25 = 33_554_432)
+
+always @(posedge clk) begin
+    if (cnt >= MAX_COUNT) begin
         cnt <= 0;
-        led <= ~led;   // переключение LED
-    end
-    else
+        led <= ~led;
+        pin <= led;
+		  pin_10 <= led;
+    end else begin
         cnt <= cnt + 1;
+    end
 end
 
-endmodule
+endmodule
\ No newline at end of file
diff --git a/output_file.cof b/output_file.cof
index 7953721..975aae6 100644
--- a/output_file.cof
+++ b/output_file.cof
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="US-ASCII" standalone="yes"?>
 <cof>
-	<eprom_name>EPCS64</eprom_name>
+	<eprom_name>EPCS4</eprom_name>
 	<flash_loader_device>EP4CE6</flash_loader_device>
 	<output_filename>output_file.jic</output_filename>
 	<n_pages>1</n_pages>
diff --git a/output_file.map b/output_file.map
index ed66271..4d959f6 100644
--- a/output_file.map
+++ b/output_file.map
@@ -6,6 +6,6 @@ Page_0		0x00000000		0x00059D8A
 
 Notes:
 
-- Data checksum for this conversion is 0x1A5EA7E1
+- Data checksum for this conversion is 0x0276151E
 
 - All the addresses in this file are byte addresses
\ No newline at end of file