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LOFAR2.0
python_test_scripts
Merge requests
!2
Modified the scripts to run on Raspberry Pi.
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Merged
Modified the scripts to run on Raspberry Pi.
Work_Gijs
into
master
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1
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46
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0
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Merged
Modified the scripts to run on Raspberry Pi.
Gijs Schoonderbeek
requested to merge
Work_Gijs
into
master
May 28, 2021
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Script will check if it is run on a PI, in that case a different I2C serial library is used.
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114705ea
Added Python scripts from the labtop
· 114705ea
Gijs Schoonderbeek
authored
Dec 8, 2020
I2C_serial.py
0 → 100644
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'''
I2C Class
'''
import
sys
sys
.
path
.
insert
(
0
,
'
c:\python34\lib\site-packages
'
)
import
serial
from
time
import
*
DEBUG
=
False
ser
=
serial
.
Serial
()
ser
.
baudrate
=
57600
ser
.
port
=
'
COM11
'
ser
.
parity
=
serial
.
PARITY_NONE
ser
.
timeout
=
1
class
I2C
:
def
__init__
(
self
,
ADDRESS
=
'
040
'
):
self
.
I2C_Address
=
ADDRESS
# def chk_ack(self):
# return ret_ack
# def write_bytes(self,register,data):
# return ret_ack
# def write_last_reg(self,data):
# return ret_ack
def
read_bytes
(
self
,
register
,
bytes_to_read
=
2
):
serial_string
=
'
S{0:x}{1:{fill}2x}PS{2:x}{3:02}45P
'
.
format
(
self
.
I2C_Address
*
2
,
register
,
(
self
.
I2C_Address
*
2
+
1
),
bytes_to_read
,
fill
=
'
0
'
)
serial_string
=
serial_string
.
upper
()
ret_ack
=
1
if
DEBUG
:
print
(
serial_string
)
ret_value
=
"
0F
"
else
:
ser
.
open
()
ser
.
write
(
bytes
(
serial_string
,
'
utf-8
'
))
ret_value
=
ser
.
read
(
bytes_to_read
*
2
)
ser
.
close
()
ret_value
=
ret_value
.
decode
(
"
utf-8
"
)
return
ret_ack
,
ret_value
def
read_last_reg
(
self
,
bytes_to_read
):
serial_string
=
'
S{0:x}{1:02}P
'
.
format
((
self
.
I2C_Address
*
2
+
1
),
bytes_to_read
)
serial_string
=
serial_string
.
upper
()
ret_ack
=
1
if
DEBUG
:
print
(
serial_string
)
ret_value
=
"
0F
"
else
:
ser
.
open
()
ser
.
write
(
bytes
(
serial_string
,
'
utf-8
'
))
ret_value
=
ser
.
read
(
bytes_to_read
*
2
)
ser
.
close
()
ret_value
=
ret_value
.
decode
(
"
utf-8
"
)
return
ret_ack
,
ret_value
def
write_bytes
(
self
,
register
,
data
):
ret_value
=
[]
serial_string
=
'
S{0:x}{1:02x}{2:02x}P
'
.
format
(
self
.
I2C_Address
*
2
,
register
,
data
)
serial_string
=
serial_string
.
upper
()
ret_ack
=
1
if
DEBUG
:
print
(
serial_string
)
else
:
ser
.
open
()
ser
.
write
(
bytes
(
serial_string
,
'
utf-8
'
))
ser
.
close
()
return
ret_ack
def
write_pointer
(
self
,
register
):
ret_value
=
[]
serial_string
=
'
S{0:x}{1:02x}P
'
.
format
(
self
.
I2C_Address
*
2
,
register
)
serial_string
=
serial_string
.
upper
()
ret_ack
=
1
if
DEBUG
:
print
(
serial_string
)
else
:
ser
.
open
()
ser
.
write
(
bytes
(
serial_string
,
'
utf-8
'
))
ser
.
close
()
return
ret_ack
if
__name__
==
"
__main__
"
:
I2C_Device
=
I2C
(
0x40
)
I2C_Device
.
write_bytes
(
0x00
,
0x00
)
ret_ack
,
ret_value
=
I2C_Device
.
read_bytes
(
0x8C
,
2
)
print
(
ret_value
)
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