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4b8fc20b
Commit
4b8fc20b
authored
May 22, 2012
by
Matthieu Cattin
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fmc_adc: Add function to write/read a byte list to the FMC eeprom.
parent
90c2843c
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23 additions
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11 deletions
+23
-11
fmc_adc.py
test/fmcadc100m14b4cha/python/fmc_adc.py
+23
-11
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test/fmcadc100m14b4cha/python/fmc_adc.py
View file @
4b8fc20b
...
...
@@ -328,20 +328,32 @@ class CFmcAdc100m:
print
'
\n
Scanning FMC system I2C bus'
return
self
.
fmc_sys_i2c
.
scan
()
###########################################################################
########## Code to review ##########
# write to EEPROM on system i2c bus
def
sys_i2c_eeprom_write
(
self
,
addr
,
data
):
return
self
.
eeprom_24aa64
.
wr_data
(
addr
,
data
)
# read from EEPROM on system i2c bus
def
sys_i2c_eeprom_write
(
self
,
data
):
try
:
byte_to_write
=
len
(
data
)
addr
=
0
while
byte_to_write
:
if
byte_to_write
>
32
:
size
=
32
else
:
size
=
byte_to_write
self
.
eeprom_24aa64
.
wr_page
(
addr
,
data
[
addr
:(
addr
+
size
)])
byte_to_write
-=
size
addr
+=
size
time
.
sleep
(
0.005
)
# have to wait between writes otherwise the eeprom gives NACK on the i2c bus
except
Eeprom24AA64OperationError
as
e
:
raise
FmcAdc100mOperationError
(
e
)
# read from EEPROM on system i2c bus
def
sys_i2c_eeprom_read
(
self
,
addr
,
size
):
return
self
.
eeprom_24aa64
.
rd_data
(
addr
,
size
)
###########################################################################
try
:
return
self
.
eeprom_24aa64
.
rd_seq
(
addr
,
size
)
except
Eeprom24AA64OperationError
as
e
:
raise
FmcAdc100mOperationError
(
e
)
#======================================================================
# CSR and LTC217x
# Set input range
def
set_input_range
(
self
,
channel
,
in_range
):
...
...
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