From 65ea49bf7ee3223c3b8fe7e8783c44b6db9fca04 Mon Sep 17 00:00:00 2001
From: Marko Mecina <marko.mecina@univie.ac.at>
Date: Thu, 12 Jun 2025 13:49:47 +0200
Subject: [PATCH] add command sequencer library
---
Ccs/cmd_sequencer.py | 109 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 109 insertions(+)
create mode 100644 Ccs/cmd_sequencer.py
diff --git a/Ccs/cmd_sequencer.py b/Ccs/cmd_sequencer.py
new file mode 100644
index 0000000..d601376
--- /dev/null
+++ b/Ccs/cmd_sequencer.py
@@ -0,0 +1,109 @@
+"""
+Tools to create and interpret general purpose command sequences
+"""
+
+import ctypes
+
+NOP = 0b000
+UPDT = 0b001
+MOD = 0b010
+CMT = 0b011
+CBLK = 0b100
+VER = 0b101
+
+DATUM_BYTES_N = 4
+
+
+class InstructionWord(ctypes.BigEndianStructure):
+ _pack_ = 1
+ _fields_ = [("CMD", ctypes.c_uint32, 3),
+ ("IM", ctypes.c_uint32, 1),
+ ("DELAY", ctypes.c_uint32, 12),
+ ("REG", ctypes.c_uint32, 6),
+ ("SHIFT", ctypes.c_uint32, 5),
+ ("WIDTH", ctypes.c_uint32, 5)]
+
+ def __str__(self):
+ return '\n'.join(['{}: {}'.format(i[0], getattr(self, i[0])) for i in self._fields_])
+
+
+class Command(ctypes.BigEndianStructure):
+ _pack_ = 1
+ _fields_ = [("INSTRUCTION", InstructionWord),
+ ("DATUM", ctypes.c_uint32)]
+
+ def __str__(self):
+ return self.INSTRUCTION.__str__() + '\nDATUM: 0x{:08X}'.format(self.DATUM)
+
+
+class BlockCommit(ctypes.BigEndianStructure):
+ _pack_ = 1
+ _fields_ = [("INSTRUCTION", InstructionWord),
+ ("N", ctypes.c_uint32, 6),
+ ("RESERVED", ctypes.c_uint32, 26)]
+
+ def __str__(self):
+ return self.INSTRUCTION.__str__() + '\nN: {}'.format(self.N)
+
+
+def nop():
+
+ cmd = Command()
+ cmd.INSTRUCTION.CMD = NOP
+
+ return cmd
+
+def updt(reg, im, delay):
+
+ cmd = Command()
+ cmd.INSTRUCTION.CMD = UPDT
+ cmd.INSTRUCTION.REG = reg
+ cmd.INSTRUCTION.IM = im
+ cmd.INSTRUCTION.DELAY = delay
+
+ return cmd
+
+def mod(reg, shift, width, datum):
+
+ cmd = Command()
+ cmd.INSTRUCTION.CMD = MOD
+ cmd.INSTRUCTION.REG = reg
+ cmd.INSTRUCTION.SHIFT = shift
+ cmd.INSTRUCTION.WIDTH = width
+ cmd.DATUM = datum
+
+ return cmd
+
+def cmt(reg, im, delay):
+
+ cmd = Command()
+ cmd.INSTRUCTION.CMD = CMT
+ cmd.INSTRUCTION.REG = reg
+ cmd.INSTRUCTION.IM = im
+ cmd.INSTRUCTION.DELAY = delay
+
+ return cmd
+
+def cblk(reg, n, delay, im):
+
+ cmd = BlockCommit()
+ cmd.INSTRUCTION.CMD = CBLK
+ cmd.INSTRUCTION.REG = reg
+ cmd.INSTRUCTION.IM = im
+ cmd.INSTRUCTION.DELAY = delay
+ cmd.N = n
+
+ return cmd
+
+def ver(reg, im ,delay, shift, width, datum):
+
+ cmd = Command()
+ cmd.INSTRUCTION.CMD = VER
+ cmd.INSTRUCTION.IM = im
+ cmd.INSTRUCTION.DELAY = delay
+ cmd.INSTRUCTION.REG = reg
+ cmd.INSTRUCTION.SHIFT = shift
+ cmd.INSTRUCTION.WIDTH = width
+ cmd.DATUM = datum
+
+ return cmd
--
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