bslathi19/cocotbext-axi
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Transmit frames without using pop

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This commit is contained in:
Alex Forencich
2021-04-12 13:49:20 -07:00
parent d1d7313b98
commit a767e00ce5
1 changed files with 9 additions and 6 deletions
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15
cocotbext/axi/axis.py
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@@ -492,6 +492,7 @@ class AxiStreamSource(AxiStreamBase, AxiStreamPause):
async def _run(self): async def _run(self):
frame = None frame = None
frame_offset = 0
self.active = False self.active = False
while True: while True:
@@ -513,6 +514,7 @@ class AxiStreamSource(AxiStreamBase, AxiStreamPause):
self.log.info("TX frame: %s", frame) self.log.info("TX frame: %s", frame)
frame.normalize() frame.normalize()
self.active = True self.active = True
frame_offset = 0
if frame and not self.pause: if frame and not self.pause:
tdata_val = 0 tdata_val = 0
@@ -523,13 +525,14 @@ class AxiStreamSource(AxiStreamBase, AxiStreamPause):
tuser_val = 0 tuser_val = 0
for offset in range(self.byte_lanes): for offset in range(self.byte_lanes):
tdata_val |= (frame.tdata.pop(0) & self.byte_mask) << (offset * self.byte_size) tdata_val |= (frame.tdata[frame_offset] & self.byte_mask) << (offset * self.byte_size)
tkeep_val |= (frame.tkeep.pop(0) & 1) << offset tkeep_val |= (frame.tkeep[frame_offset] & 1) << offset
tid_val = frame.tid.pop(0) tid_val = frame.tid[frame_offset]
tdest_val = frame.tdest.pop(0) tdest_val = frame.tdest[frame_offset]
tuser_val = frame.tuser.pop(0) tuser_val = frame.tuser[frame_offset]
frame_offset += 1
if len(frame.tdata) == 0: if frame_offset >= len(frame.tdata):
tlast_val = 1 tlast_val = 1
frame.sim_time_end = get_sim_time() frame.sim_time_end = get_sim_time()
frame.handle_tx_complete() frame.handle_tx_complete()