hwtLib.logic.binToOneHot.BinToOneHot[source]¶Bases: hwt.synthesizer.unit.Unit
_config()[source]¶Configure object parameters
_declr()[source]¶declarations
_serializeDecision(parentUnit, obj, isDeclaration, priv)¶Decide to serialize only objs with uniq parameters and class
| Parameters: | priv – private data for this function ({frozen_params: obj}) |
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| Returns: | tuple (do serialize this object, next priv) |
hwtLib.logic.bitonicSorter.BitonicSorter(cmpFn=<function BitonicSorter.<lambda>>)[source]¶Bases: hwt.synthesizer.unit.Unit
__init__(cmpFn=<function BitonicSorter.<lambda>>)[source]¶| Parameters: | cmpFn – function (item0, item1) if returns true, items are not swaped |
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_config()[source]¶Configure object parameters
hwtLib.logic.cntrGray.GrayCntr[source]¶Bases: hwt.synthesizer.unit.Unit
_config()[source]¶Configure object parameters
_declr()[source]¶declarations
_serializeDecision(parentUnit, obj, isDeclaration, priv)¶Decide to serialize only objs with uniq parameters and class
| Parameters: | priv – private data for this function ({frozen_params: obj}) |
|---|---|
| Returns: | tuple (do serialize this object, next priv) |
hwtLib.logic.crc.Crc[source]¶Bases: hwt.synthesizer.unit.Unit
Crc generator for any crc polynom can be string in usual format or integer f.e.”x^3+x+1” or 0b1011
_config()[source]¶Configure object parameters
hwtLib.logic.crcComb.CrcComb[source]¶Bases: hwt.synthesizer.unit.Unit
CRC generator polynomial can be string in usual format or integer (f.e.”x^3+x+1” or 0b1011)
| Attention: | Input not reflected, Result not reflected, Initial Value: 0x0, Final Xor is not applied |
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| Variables: |
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_config()[source]¶Configure object parameters
_declr()[source]¶declarations
applyCrcXorMatrix(crcMatrix: List, inBits: List, stateBits: List, refin: bool) → List[source]¶buildCrcXorMatrix(data_width: int, polyBits: List[bool]) → List[Tuple[List[bool], List[bool]]][source]¶| Parameters: | data_width – number of bits in input (excluding bits of signal wit current crc state) |
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:param polyBits :note: all bits are in format [LSB:MSB]
| Returns: | crc_mask contains rows where each row describes which bits should be XORed to get bit of resut row is [mask_for_state_reg, mask_for_data] |
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hwtLib.logic.crcPoly.CRC_1[source]¶Bases: object
POLY = 1¶REFIN = False¶REFOUT = False¶WIDTH = 1¶hwtLib.logic.crcPoly.CRC_16_CCITT[source]¶Bases: object
INIT = 65535¶POLY = 4129¶REFIN = False¶REFOUT = False¶WIDTH = 16¶XOROUT = 0¶hwtLib.logic.crcPoly.CRC_16_IBM[source]¶Bases: object
INIT = 0¶POLY = 32773¶REFIN = True¶REFOUT = True¶WIDTH = 16¶XOROUT = 0¶hwtLib.logic.crcPoly.CRC_32[source]¶Bases: object
INIT = 4294967295¶POLY = 79764919¶REFIN = True¶REFOUT = True¶RESIDUE = 3338984827¶WIDTH = 32¶XOROUT = 4294967295¶hwtLib.logic.crcPoly.CRC_32C[source]¶Bases: object
CHECK = 3808858755¶INIT = 4294967295¶POLY = 517762881¶REFIN = True¶REFOUT = True¶RESIDUE = 3080238136¶WIDTH = 32¶XOROUT = 4294967295¶hwtLib.logic.crcPoly.CRC_3_GSM[source]¶Bases: object
INIT = 0¶POLY = 3¶REFIN = False¶REFOUT = False¶WIDTH = 3¶hwtLib.logic.crcPoly.CRC_5_USB[source]¶Bases: object
CHECK = 25¶INIT = 31¶POLY = 5¶REFIN = True¶REFOUT = True¶RESIDUE = 12¶WIDTH = 5¶XOROUT = 31¶hwtLib.logic.crcPoly.CRC_64_ECMA[source]¶Bases: object
POLY = 4823603603198064275¶WIDTH = 64¶hwtLib.logic.lsfr.Lsfr[source]¶Bases: hwt.synthesizer.unit.Unit
Linear shift feedback register, form of hardware pseudorandom generator
_config()[source]¶Configure object parameters
hwtLib.logic.oneHotToBin.OneHotToBin[source]¶Bases: hwt.synthesizer.unit.Unit
Converts one hot signal to binary, bin.vld is high when oneHot != 0
_config()[source]¶Configure object parameters
_declr()[source]¶declarations
_serializeDecision(parentUnit, obj, isDeclaration, priv)¶Decide to serialize only objs with uniq parameters and class
| Parameters: | priv – private data for this function ({frozen_params: obj}) |
|---|---|
| Returns: | tuple (do serialize this object, next priv) |
hwtLib.logic.pid.PidController[source]¶Bases: hwt.synthesizer.unit.Unit
The PID Control block compares the input to the target and calculates an error. Based on this error, a output value is calculated that should result in a smaller error on the next iteration of the loop, assuming your parameters are tuned properly.
u(k) = u(k-1) + a0*e(k) + a1*y(k) + a2*y(k-1) + a3*y(k-2)
e(k): error in this step (= target value - input) y(k): input in step k ax: PID coeficient
The PID parameter inputs for this equation are slightly different from the traditional K_p, K_i, and K_d.
a0 = K_i * T_s a1 = -K_p - K_d / T_s a2 = K_p + 2K_d/T_s a3 = - K_d / T_s
| Note: | You can obtain coeficiet f.e. by Ziegler-Nichols method. |
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_config()[source]¶Configure object parameters
hwtLib.logic.segment7.Segment7[source]¶Bases: hwt.synthesizer.unit.Unit
7-segment display decoder
| Note: | led in display becomes active when output = 0 |
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Display pin connection on image below.
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| 0 |
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| 5 | | 1 |
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| 6 |
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| 4 | | 2 |
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| 3 |
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