spi not working on hardware

4 files changed, 28 insertions, 5 deletions

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/data2vhdltb.awk b/test/ppu-stm-integration-demo/data2pputb.awk
index db4b53f..db4b53f 100755
--- a/test/ppu-stm-integration-demo/data2vhdltb.awk
+++ b/test/ppu-stm-integration-demo/data2pputb.awk
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/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)