Freescale Semiconductor M68HC08 series, Руководство по проектированию, Страница: 105 / 124

LIN Frames and Signals
LIN Leveller Configuration Frames
DRM047 — Rev 0 Designer Reference Manual
MOTOROLA LIN Frames and Signals 105
Master broad
cast
frmMaster
Request
(0x3C)
in case paramArray = 1 [PARAM_SPEED] the data signals has the below described meaning
l_u8_rd_data0
the signal is interpreted according to
the l_u8_rd_paramArray signal
(paramArray = 1)
frequencyStart
is the minimum frequency of the
motor. The motor starts stepping
and ramps down to this frequency
before stop
x =
<0,255
>
f(x) = FREQUENCY_
RESOLUTION_HZ * x
[Hz]
l_u8_rd_data1
(paramArray = 1)
acceleration
is motor speed acceleration and
deceleration ramp constant
x =
<0,255
>
f(x) =
RESOLUTION_ACCEL_
DECEL_S_S2* x
[steps/s
2
]
l_u8_rd_data2
(paramArray = 1)
periodStopTimeoutL
time instant before the motor block
state after the motor stops
Low Byte
x.L =
<0,255
>
f(x) =
RESOLUTION_PERIOD
_NS* x.HL
[ns]
l_u8_rd_data3
(paramArray = 1)
periodStopTimeoutH
time instant before the motor block
state after the motor stops
High Byte
x.H=
<0,255
>
f(x) =
RESOLUTION_PERIOD_
NS* x.HL
[ns]
Master broad
cast
frmMaster
Request
(0x3C)
in case paramArray = 2 [PARAM_RESET_POS] the data signals has the below described meaning
l_u8_rd_data0
(paramArray = 2)
positionStallL
position of the low stall used for
position reset (see Table C-1 .
l_bool_rd_PosResetFlagA1 )
High Byte
x.L=
<0x0,
0xFF>
x.HL =
<-16384, 16383>
l_u8_rd_data1
(paramArray = 2)
positionStallH
position of the low stall used for
position reset (see Table C-1 .
l_bool_rd_PosResetFlagA1 )
High Byte
x.H=
<0xC0,
0x3F>
x.HL =
<-16384, 16383>
l_u8_rd_data2
(paramArray = 2)
positionResetRqValueL
position reset value is used for
position reset (see Table C-1 .
l_bool_rd_PosResetFlagA1 )
Low Byte
x.L=
<0x00,
0xFF>
x.HL =
<-16384, 16383>
Table C-2. LIN Leveller Configuration Frames (Continued)
Signal
Provi
der
Signal
Accep
tor(s)/
Axis
Frame
Name
(ID)
Signal Name Signal Functionality Description
Raw
Value
Range
Normalized Value Range
F
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e
sc
a
le
S
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