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--- etc:users:jcmvbkbc:hardware [2014/10/14 05:45] – jcmvbkbc
+++ etc:users:jcmvbkbc:hardware [2026/08/29 16:52] (current) – jcmvbkbc
@@ Line 17: / Line 17: @@
   * 1, 2: Vcc (connected)
   * 4, 6 and the rest of the low row: GND (connected)
-  * 5: RX
+  * 5: RX (I)
-  * 7: CTS#
+  * 7: CTS# (I)
-  * 9: TX
+  * 9: TX (O)
+  * 11: RI# (I)
+  * 13: RTS# (O)
+  * 17: DTR# (O): my modification
 == Driver ==
   * http://ftdi-usb-sio.sourceforge.net/
   * modprobe ftdi_sio vendor=0x15ba product=0x002a
+  * echo -n "15ba 002a" > /sys/bus/usb-serial/drivers/ftdi_sio/new_id
+=== Xtensa JTAG ===
+== Pin functions ==
+  * 1: Vcc
+  * 3: TRST#
+  * 4: GND
+  * 5: TDI
+  * 7: TMS
+  * 9: TCK
+  * 13: TDO
+  * 15: SRST# (doesn't work)
+== 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>