From 2d9711986e8efdf089459e7fc608fa8691efb2d7 Mon Sep 17 00:00:00 2001
From: Tristan Gingold <tristan.gingold@cern.ch>
Date: Tue, 30 Nov 2021 09:53:52 +0100
Subject: [PATCH] Fix blinking led
---
hdl/top/sf2-test/sf2_test.vhd | 7 ++++---
hdl/top/sf2-test/uart.vhd | 2 --
2 files changed, 4 insertions(+), 5 deletions(-)
diff --git a/hdl/top/sf2-test/sf2_test.vhd b/hdl/top/sf2-test/sf2_test.vhd
index 911cd93..bed17f1 100644
--- a/hdl/top/sf2-test/sf2_test.vhd
+++ b/hdl/top/sf2-test/sf2_test.vhd
@@ -125,7 +125,7 @@ begin
if rising_edge(clk_100) then
if rst_n = '0' then
led1_o <= '1';
- led2_o <= '1';
+ led2_o <= '0';
else
led1_o <= counter (25);
led2_o <= counter (23);
@@ -136,7 +136,7 @@ begin
iram_addr <= iahb_addr (IRAM_LOG_SIZE + 2 - 1 downto 2);
iram_data <= ahb_rdata;
- proc_uart: process (clk_100)
+ proc_init: process (clk_100)
begin
if rising_edge(clk_100) then
iahb_start <= '0';
@@ -150,7 +150,7 @@ begin
case state is
when INIT_DELAY =>
iahb_addr <= (others => '0');
- if counter = x"000_0010" then
+ if counter = x"0c0_0000" then
state <= READ_NVM;
counter <= (others => '0');
else
@@ -171,6 +171,7 @@ begin
end if;
end if;
when DONE =>
+ counter <= counter + 1;
cpu_rst_n <= '1';
end case;
end if;
diff --git a/hdl/top/sf2-test/uart.vhd b/hdl/top/sf2-test/uart.vhd
index 4c9c925..c08220c 100644
--- a/hdl/top/sf2-test/uart.vhd
+++ b/hdl/top/sf2-test/uart.vhd
@@ -9,8 +9,6 @@
library ieee;
use ieee.std_logic_1164.all;
-library smartfusion2;
-use smartfusion2.all;
----------------------------------------------------------------------
-- uart entity declaration
----------------------------------------------------------------------
--
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