third-party/cocotbext-eth
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Send data without using pop

Browse Source
This commit is contained in:
Alex Forencich
2021-04-12 15:10:52 -07:00
parent 0bd66da868
commit 008d903bb9
5 changed files with 62 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
cocotbext/eth/gmii.py
View File

@@ -258,6 +258,9 @@ class GmiiSource(Reset):
async def _run(self):
frame = None
frame_offset = 0
frame_data = None
frame_error = None
ifg_cnt = 0
self.active = False
@@ -286,28 +289,32 @@ class GmiiSource(Reset):
self.mii_mode = bool(self.mii_select.value.integer)
if self.mii_mode:
mii_data = []
mii_error = []
# convert to MII
frame_data = []
frame_error = []
for b, e in zip(frame.data, frame.error):
mii_data.append(b & 0x0F)
mii_data.append(b >> 4)
mii_error.append(e)
mii_error.append(e)
frame.data = mii_data
frame.error = mii_error
frame_data.append(b & 0x0F)
frame_data.append(b >> 4)
frame_error.append(e)
frame_error.append(e)
else:
frame_data = frame.data
frame_error = frame.error
self.active = True
frame_offset = 0
if frame is not None:
d = frame.data.pop(0)
d = frame_data[frame_offset]
if frame.sim_time_sfd is None and d in (EthPre.SFD, 0xD):
frame.sim_time_sfd = get_sim_time()
self.data <= d
if self.er is not None:
self.er <= frame.error.pop(0)
self.er <= frame_error[frame_offset]
self.dv <= 1
frame_offset += 1
if not frame.data:
if frame_offset >= len(frame_data):
ifg_cnt = max(self.ifg, 1)
frame.sim_time_end = get_sim_time()
frame.handle_tx_complete()