From fa296fbc6fe1c423932189116bd0cb949de0beef Mon Sep 17 00:00:00 2001
From: lonkaars <loek@pipeframe.xyz>
Date: Thu, 30 Mar 2023 17:00:05 +0200
Subject: spi not working on hardware

---
 test/ppu-stm-integration-demo/data.h          |  4 ++--
 test/ppu-stm-integration-demo/data2pputb.awk  | 16 ++++++++++++++++
 test/ppu-stm-integration-demo/data2spitb.awk  | 20 ++++++++++++++++++++
 test/ppu-stm-integration-demo/data2vhdltb.awk | 16 ----------------
 test/ppu-stm-integration-demo/makefile        |  9 ++++++---
 5 files changed, 44 insertions(+), 21 deletions(-)
 create mode 100755 test/ppu-stm-integration-demo/data2pputb.awk
 create mode 100755 test/ppu-stm-integration-demo/data2spitb.awk
 delete mode 100755 test/ppu-stm-integration-demo/data2vhdltb.awk

(limited to 'test')

diff --git a/test/ppu-stm-integration-demo/data.h b/test/ppu-stm-integration-demo/data.h
index ac73e66..cdca4a5 100644
--- a/test/ppu-stm-integration-demo/data.h
+++ b/test/ppu-stm-integration-demo/data.h
@@ -1,5 +1,5 @@
 #pragma once
 
-// #include "test-image.h"
-#include "test-background-color.h"
+#include "test-image.h"
+// #include "test-background-color.h"
 
diff --git a/test/ppu-stm-integration-demo/data2pputb.awk b/test/ppu-stm-integration-demo/data2pputb.awk
new file mode 100755
index 0000000..db4b53f
--- /dev/null
+++ b/test/ppu-stm-integration-demo/data2pputb.awk
@@ -0,0 +1,16 @@
+#!/bin/awk -f
+BEGIN {
+	printf "\n"
+	printf "\t\tWEN <= '1';\n"
+	printf "\n"
+}
+1 {
+	printf "\t\tADDR <= x\""$1"\";\n"
+	printf "\t\tDATA <= x\""$2"\";\n"
+	printf "\t\twait for 10 ns;\n"
+	printf "\n"
+}
+END {
+	printf "\t\tWEN <= '0';\n"
+	printf "\n"
+}
diff --git a/test/ppu-stm-integration-demo/data2spitb.awk b/test/ppu-stm-integration-demo/data2spitb.awk
new file mode 100755
index 0000000..6caf9a3
--- /dev/null
+++ b/test/ppu-stm-integration-demo/data2spitb.awk
@@ -0,0 +1,20 @@
+#!/bin/awk -f
+BEGIN { }
+
+{
+	data = strtonum("0x"$1$2)
+	print "-- 0x"$1": "$2
+
+	for (i = 0; i < 32; i++) {
+		print "SPI_DATA <= '"and(rshift(data, 31), 1)"';"
+		print "wait for 50 ns;"
+		print "SPI_CLK <= '1';"
+		print "wait for 50 ns;"
+		print "SPI_CLK <= '0';"
+		if (i == 15) print "--"
+		else print ""
+		data = lshift(data, 1)
+	}
+}
+
+END { }
diff --git a/test/ppu-stm-integration-demo/data2vhdltb.awk b/test/ppu-stm-integration-demo/data2vhdltb.awk
deleted file mode 100755
index db4b53f..0000000
--- a/test/ppu-stm-integration-demo/data2vhdltb.awk
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/bin/awk -f
-BEGIN {
-	printf "\n"
-	printf "\t\tWEN <= '1';\n"
-	printf "\n"
-}
-1 {
-	printf "\t\tADDR <= x\""$1"\";\n"
-	printf "\t\tDATA <= x\""$2"\";\n"
-	printf "\t\twait for 10 ns;\n"
-	printf "\n"
-}
-END {
-	printf "\t\tWEN <= '0';\n"
-	printf "\n"
-}
diff --git a/test/ppu-stm-integration-demo/makefile b/test/ppu-stm-integration-demo/makefile
index 2f4b6f4..853dd31 100644
--- a/test/ppu-stm-integration-demo/makefile
+++ b/test/ppu-stm-integration-demo/makefile
@@ -1,14 +1,17 @@
 .PHONY: all clean
 
-TARGETS := test-background-color.h test-image.h test-image.tb.vhd
+TARGETS := test-background-color.h test-image.h test-image-spi.tb.vhd test-image-ppu.tb.vhd test-background-color-spi.tb.vhd
 
 all: $(TARGETS)
 
 %.h: %.txt ./data2test.awk
 	tr -d ':' < $< | ./data2test.awk > $@
 
-test-%.tb.vhd: test-%.txt ./data2vhdltb.awk
-	tr -d ':' < $< | ./data2vhdltb.awk > $@
+test-%-ppu.tb.vhd: test-%.txt ./data2pputb.awk
+	tr -d ':' < $< | ./data2pputb.awk > $@
+
+test-%-spi.tb.vhd: test-%.txt ./data2spitb.awk
+	(tr -d ':' < $<; echo "ffff ffff") | ./data2spitb.awk > $@
 
 clean:
 	$(RM) $(TARGETS)
-- 
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