Differences

This shows you the differences between two versions of the page.

--- etc:users:jcmvbkbc:hardware [2016/08/08 20:53] – ↷ Page moved from users:jcmvbkbc:hardware to etc:users:jcmvbkbc:hardware kel
+++ etc:users:jcmvbkbc:hardware [2026/08/29 16:52] (current) – jcmvbkbc
@@ Line 42: / Line 42: @@
 == topology.xml controller line ==
   <controller id='Controller0' module='ft2232' probe='flyswatter' vid='0x15ba' pid='0x002a' usbser='OLVGHYS?' speed='10MHz'/>
+=== SPI master ===
+== Pin functions ==
+  * 5: MOSI
+  * 7: CS0
+  * 9: SCK
+  * 13: MISO (pulled up by default)
+== PyFTDI-based example ==
+API doc: https://eblot.github.io/pyftdi/api/spi.html
+<code>
+from pyftdi import ftdi, spi
+ftdi.Ftdi.add_custom_vendor(vid = 0x15ba)
+ftdi.Ftdi.add_custom_product(vid = 0x15ba, pid = 0x002a)
+ftdi.Ftdi.show_devices()
+ctrl = spi.SpiController()
+ctrl.configure("ftdi://0x15ba:0x002a:1/1")
+port = ctrl.get_port(freq = 1000000, cs = 0)
+port.write(b'1234', start = True, stop = False) # address phase, 4 bytes
+port.read(1, start = False, stop = False, droptail = 4) # dummy phase, 4 clock cycles
+port.read(1, start = False, stop = True) # read phase, 1 byte
+</code>