make timing diagrams for bus transactions. Still need to do reads

5 files changed, 46 insertions, 0 deletions

diff --git a/usrp2/gpmc/.gitignore b/usrp2/gpmc/.gitignore
new file mode 100644
index 000000000..3e14fa4f7
--- /dev/null
+++ b/usrp2/gpmc/.gitignore
@@ -0,0 +1,2 @@
+*.gif
+
diff --git a/usrp2/gpmc/burst_data_write.txt b/usrp2/gpmc/burst_data_write.txt
new file mode 100644
index 000000000..3b5dfc785
--- /dev/null
+++ b/usrp2/gpmc/burst_data_write.txt
@@ -0,0 +1,16 @@
+# OMAP burst writes to FPGA
+
+CLK=0,nWE=1,nCS=1,nOE=1,DATA=Z.
+CLK=1.
+CLK=0,nWE=0,nCS=0,DATA=WR_DATA1.
+CLK=1.
+CLK=0,nWE=0,nCS=0,DATA=WR_DATA2.
+CLK=1.
+CLK=0,nWE=0,nCS=0,DATA=WR_DATA3.
+CLK=1.
+CLK=0,nWE=0,nCS=0,DATA=WR_DATA4.
+CLK=1.
+CLK=0,nWE=1,nCS=1,DATA=Z.
+CLK=1.
+
+
diff --git a/usrp2/gpmc/make_timing_diag b/usrp2/gpmc/make_timing_diag
new file mode 100755
index 000000000..03166ad35
--- /dev/null
+++ b/usrp2/gpmc/make_timing_diag
@@ -0,0 +1,6 @@
+#!/bin/sh
+drawtiming -o single_data_write.gif single_data_write.txt
+drawtiming -o single_data_read.gif single_data_read.txt
+drawtiming -o burst_data_write.gif burst_data_write.txt
+#drawtiming -o burst_data_read.gif burst_data_read.txt
+
diff --git a/usrp2/gpmc/single_data_read.txt b/usrp2/gpmc/single_data_read.txt
new file mode 100644
index 000000000..1dc0e3a78
--- /dev/null
+++ b/usrp2/gpmc/single_data_read.txt
@@ -0,0 +1,12 @@
+# OMAP writes to FPGA
+# initialize the signals
+CLK=0,nWE=1,nCS=1,nOE=1,DATA=Z.
+CLK=1.
+CLK=0,nOE=0,nCS=0,DATA=RD_DATA.
+CLK=1.
+CLK=0.
+CLK=1.
+CLK=0,nOE=1,nCS=1,DATA=Z.
+CLK=1.
+
+
diff --git a/usrp2/gpmc/single_data_write.txt b/usrp2/gpmc/single_data_write.txt
new file mode 100644
index 000000000..287e3e2c1
--- /dev/null
+++ b/usrp2/gpmc/single_data_write.txt
@@ -0,0 +1,10 @@
+# OMAP writes to FPGA
+# initialize the signals
+CLK=0,nWE=1,nCS=1,nOE=1,DATA=Z.
+CLK=1.
+CLK=0,nWE=0,nCS=0,DATA=WR_DATA.
+CLK=1.
+CLK=0,nWE=1,nCS=1,DATA=Z.
+CLK=1.
+
+