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LOFAR2.0
python_test_scripts
Commits
b590f5a8
Commit
b590f5a8
authored
4 years ago
by
Gijs Schoonderbeek
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Update after test op HW
parent
dfae1ab5
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1 merge request
!2
Modified the scripts to run on Raspberry Pi.
Changes
1
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1 changed file
I2C_serial_pi.py
+11
-7
11 additions, 7 deletions
I2C_serial_pi.py
with
11 additions
and
7 deletions
I2C_serial_pi.py
+
11
−
7
View file @
b590f5a8
...
@@ -22,19 +22,20 @@ import smbus
...
@@ -22,19 +22,20 @@ import smbus
import
sys
import
sys
from
time
import
*
from
time
import
*
DEBUG
=
False
DEBUG
=
True
class
I2C
:
class
I2C
:
def
__init__
(
self
,
ADDRESS
=
'
040
'
):
def
__init__
(
self
,
ADDRESS
=
'
040
'
,
BUSNR
=
3
):
self
.
I2C_Address
=
ADDRESS
self
.
I2C_Address
=
ADDRESS
self
.
BUS_NR
=
1
self
.
bus_nr
=
BUSNR
bus
=
smbus
.
SMBus
(
self
.
BUS_NR
)
def
read_bytes
(
self
,
register
,
bytes_to_read
=
2
):
def
read_bytes
(
self
,
register
,
bytes_to_read
=
2
):
bus
=
smbus
.
SMBus
(
self
.
bus_nr
)
try
:
try
:
ret_value
=
bus
.
read_i2c_block_data
(
self
.
I2C_Address
,
register
,
bytes_to_read
)
rd_value
=
bus
.
read_i2c_block_data
(
self
.
I2C_Address
,
register
,
bytes_to_read
)
ret_value
=
hex
(
rd_value
[
0
])[
2
:]
ret_ack
=
1
ret_ack
=
1
except
IOError
,
err
:
except
IOError
,
err
:
ret_ack
=
0
ret_ack
=
0
...
@@ -45,6 +46,7 @@ class I2C:
...
@@ -45,6 +46,7 @@ class I2C:
def
read_last_reg
(
self
,
bytes_to_read
):
def
read_last_reg
(
self
,
bytes_to_read
):
bus
=
smbus
.
SMBus
(
self
.
bus_nr
)
ret_value
=
[]
ret_value
=
[]
for
cnt
in
bytes_to_read
:
for
cnt
in
bytes_to_read
:
try
:
try
:
...
@@ -58,8 +60,9 @@ class I2C:
...
@@ -58,8 +60,9 @@ class I2C:
return
ret_ack
,
ret_value
return
ret_ack
,
ret_value
def
write_bytes
(
self
,
register
,
data
):
def
write_bytes
(
self
,
register
,
data
):
bus
=
smbus
.
SMBus
(
self
.
bus_nr
)
try
:
try
:
bus
.
write_i2c_block_data
(
self
.
I2C_Address
,
register
,
data
)
bus
.
write_i2c_block_data
(
self
.
I2C_Address
,
register
,
[
data
]
)
ret_ack
=
1
ret_ack
=
1
except
IOError
,
err
:
except
IOError
,
err
:
ret_ack
=
0
ret_ack
=
0
...
@@ -69,6 +72,7 @@ class I2C:
...
@@ -69,6 +72,7 @@ class I2C:
return
ret_ack
return
ret_ack
def
write_pointer
(
self
,
register
):
def
write_pointer
(
self
,
register
):
bus
=
smbus
.
SMBus
(
self
.
bus_nr
)
try
:
try
:
ret_value
=
bus
.
read_i2c_block_data
(
self
.
I2C_Address
,
register
,
1
)
ret_value
=
bus
.
read_i2c_block_data
(
self
.
I2C_Address
,
register
,
1
)
ret_ack
=
1
ret_ack
=
1
...
...
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