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cores/xadc: add CSR descriptions.

This commit is contained in:
Florent Kermarrec 2020-03-11 10:05:14 +01:00
parent 846a2720b7
commit cbc1f5949d
1 changed files with 13 additions and 9 deletions
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22
litex/soc/cores/xadc.py
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@ -1,6 +1,6 @@
# This file is Copyright (c) 2014-2015 Robert Jordens <jordens@gmail.com> # This file is Copyright (c) 2014-2015 Robert Jordens <jordens@gmail.com>
# This file is Copyright (c) 2019 bunnie <bunnie@kosagi.com> # This file is Copyright (c) 2019 bunnie <bunnie@kosagi.com>
# This file is Copyright (c) 2019 Florent Kermarrec <florent@enjoy-digital.fr> # This file is Copyright (c) 2019-2020 Florent Kermarrec <florent@enjoy-digital.fr>
# License: BSD # License: BSD
from migen import * from migen import *
@ -13,17 +13,21 @@ analog_layout = [("vauxp", 16), ("vauxn", 16), ("vp", 1), ("vn", 1)]
class XADC(Module, AutoCSR): class XADC(Module, AutoCSR):
def __init__(self, analog_pads=None): def __init__(self, analog_pads=None):
# Temperature(°C) = adc_value*503.975/4096 - 273.15 # Temperature
self.temperature = CSRStatus(12) self.temperature = CSRStatus(12, description="""Raw Temperature value from XADC.\n
Temperature (°C) = ``Value`` x 503.975 / 4096 - 273.15.""")
# Voltage(V) = adc_value*)/4096*3 # Voltages
self.vccint = CSRStatus(12) self.vccint = CSRStatus(12, description="""Raw VCCINT value from XADC.\n
self.vccaux = CSRStatus(12) VCCINT (V) = ``Value`` x 3 / 4096.""")
self.vccbram = CSRStatus(12) self.vccaux = CSRStatus(12, description="""Raw VCCAUX value from XADC.\n
VCCAUX (V) = ``Value`` x 3 / 4096.""")
self.vccbram = CSRStatus(12, description="""Raw VCCBRAM value from XADC.\n
VCCBRAM (V) = ``Value`` x 3 / 4096.""")
# End of Convertion/Sequence # End of Convertion/Sequence
self.eoc = CSRStatus() self.eoc = CSRStatus(description="End of Convertion Status, ``1``: Convertion Done.")
self.eos = CSRStatus() self.eos = CSRStatus(description="End of Sequence Status, ``1``: Sequence Done.")
# Alarms # Alarms
self.alarm = Signal(8) self.alarm = Signal(8)