]> sigrok.org Git - sigrok-dumps.git/commitdiff
A dumpfile talking SPI to a MAX7219 chip
authorPaul "LeoNerd" Evans <redacted>
Wed, 4 Nov 2015 16:13:31 +0000 (16:13 +0000)
committerUwe Hermann <redacted>
Thu, 12 Nov 2015 18:50:39 +0000 (19:50 +0100)
spi/max7219/README [new file with mode: 0644]
spi/max7219/max7219.sr [new file with mode: 0644]

diff --git a/spi/max7219/README b/spi/max7219/README
new file mode 100644 (file)
index 0000000..001b00b
--- /dev/null
@@ -0,0 +1,31 @@
+-------------------------------------------------------------------------------
+Maxim MAX7219
+-------------------------------------------------------------------------------
+
+This is a set of example captures of a Maxim MAX7219 LED display driver.
+
+Details:
+https://www.maximintegrated.com/en/products/MAX7219
+
+
+Logic analyzer setup
+--------------------
+
+The logic analyzer used was a Saleae Logic clone (at 2MHz):
+
+  Probe       MAX7219
+  -------------------
+  0           MISO (not used by this chip)
+  1           CS#
+  2           MOSI
+  3           CLK
+
+
+Data
+----
+
+The capture was generated using PulseView.
+
+The chip was driven by an FTDI FT232H connected to USB, using a custom Perl
+program to drive the signals, including the intentional error cases.
+
diff --git a/spi/max7219/max7219.sr b/spi/max7219/max7219.sr
new file mode 100644 (file)
index 0000000..3342b48
Binary files /dev/null and b/spi/max7219/max7219.sr differ