Hardware
/
litex
mirror of https://github.com/enjoy-digital/litex.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

soc/cores/xadc: define analog_layout and simplify analog_pads connections

This commit is contained in:
Florent Kermarrec 2020-01-06 16:28:48 +01:00
parent 87d456cae2
commit 378722a7ef
1 changed files with 6 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
litex/soc/cores/xadc.py
View File

@ -9,6 +9,8 @@ from litex.soc.interconnect.csr import *
# XADC ---------------------------------------------------------------------------------------------
analog_layout = [("vauxp", 16), ("vauxn", 16), ("vp", 1), ("vn", 1)]
class XADC(Module, AutoCSR):
def __init__(self, analog_pads=None):
# Temperature(°C) = adc_value*503.975/4096 - 273.15
@ -27,12 +29,6 @@ class XADC(Module, AutoCSR):
self.alarm = Signal(8)
self.ot = Signal()
# Analog
if analog_pads == None:
self.analog = Record([("vauxp", 16), ("vauxn", 16), ("vp", 1), ("vn", 1)])
else:
self.analog = analog_pads
# # #
busy = Signal()
@ -65,10 +61,10 @@ class XADC(Module, AutoCSR):
o_CHANNEL = channel,
o_EOC = eoc,
o_EOS = eos,
i_VAUXN = self.analog.vauxn,
i_VAUXP = self.analog.vauxp,
i_VN = self.analog.vn,
i_VP = self.analog.vp,
i_VAUXP = 0 if analog_pads is None else analog_pads.vauxp,
i_VAUXN = 0 if analog_pads is None else analog_pads.vauxn,
i_VP = 0 if analog_pads is None else analog_pads.vp,
i_VN = 0 if analog_pads is None else analog_pads.vn,
i_CONVST = 0,
i_CONVSTCLK = 0,
i_RESET = ResetSignal(),