sPyNNaker neural_modelling 7.2.2
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Inlined neuron implementation following standard component model. More...
#include "neuron_impl.h"
#include <neuron/models/neuron_model_lif_impl.h>
#include <neuron/synapse_types/synapse_types_exponential_impl.h>
#include <neuron/input_types/input_type_current.h>
#include <neuron/current_sources/current_source_impl.h>
#include <neuron/current_sources/current_source.h>
#include <debug.h>
#include <neuron/neuron_recording.h>
Go to the source code of this file.
Data Structures | |
struct | packet_firing_data_t |
The definition of the threshold. More... | |
Enumerations | |
enum | send_type { SEND_TYPE_INT = 0 , SEND_TYPE_UINT , SEND_TYPE_ACCUM , SEND_TYPE_UACCUM , SEND_TYPE_FRACT , SEND_TYPE_UFRACT } |
What sort of message payload should we send? More... | |
enum | word_recording_indices { V_RECORDING_INDEX = 0 , GSYN_EXC_RECORDING_INDEX = 1 , GSYN_INH_RECORDING_INDEX = 2 , N_RECORDED_VARS = 3 } |
Indices for recording of words. More... | |
enum | bitfield_recording_indices { PACKET_RECORDING_BITFIELD = 0 , N_BITFIELD_VARS = 1 } |
Indices for recording of bitfields. More... | |
Functions | |
static bool | neuron_impl_initialise (uint32_t n_neurons) |
Initialise the particular implementation of the data. | |
static void | neuron_impl_add_inputs (index_t synapse_type_index, index_t neuron_index, input_t weights_this_timestep) |
Add inputs to the neuron. | |
static uint32_t | n_words_needed (size_t size) |
The number of words required to hold an object of given size. | |
static void | neuron_impl_load_neuron_parameters (address_t address, uint32_t next, uint32_t n_neurons, address_t save_initial_state) |
static void | neuron_impl_do_timestep_update (uint32_t timer_count, uint32_t time, uint32_t n_neurons) |
Do the timestep update for the particular implementation. | |
static void | neuron_impl_store_neuron_parameters (address_t address, uint32_t next, uint32_t n_neurons) |
Stores neuron parameters back into SDRAM. | |
void | neuron_impl_print_inputs (uint32_t n_neurons) |
Print the inputs to the neurons. | |
void | neuron_impl_print_synapse_parameters (uint32_t n_neurons) |
Print the synapse parameters of the neurons. | |
const char * | neuron_impl_get_synapse_type_char (uint32_t synapse_type) |
Get the synapse type character for a synapse type. | |
Variables | |
static neuron_t * | neuron_array |
Array of neuron states. | |
static packet_firing_data_t * | packet_firing_array |
Threshold states array. | |
static synapse_types_t * | synapse_types_array |
The synapse shaping parameters. | |
static uint | n_steps_per_timestep |
The number of steps to run per timestep. | |
Inlined neuron implementation following standard component model.
Definition in file neuron_impl_external_devices.h.
struct packet_firing_data_t |
The definition of the threshold.
Definition at line 48 of file neuron_impl_external_devices.h.
Data Fields | ||
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uint32_t | key | The key to send to update the value. |
uint32_t | value_as_payload |
A scaling factor (>0) if the value is to be sent as payload, False (0) if just the key |
accum | min_value |
The minimum allowed value to send as the payload. Values below are clipped to this value |
accum | max_value |
The maximum allowed value to send as the payload. Values above are clipped to this value |
uint32_t | timesteps_between_sending | The time between sending the value. |
uint32_t | time_until_next_send | The time until the next sending of the value (initially 0) |
enum send_type | type | Send type. |
enum send_type |
What sort of message payload should we send?
Definition at line 25 of file neuron_impl_external_devices.h.
Indices for recording of words.
Definition at line 69 of file neuron_impl_external_devices.h.
Indices for recording of bitfields.
Enumerator | |
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PACKET_RECORDING_BITFIELD | Spike event recording index. |
N_BITFIELD_VARS | Number of recorded bitfields. |
Definition at line 81 of file neuron_impl_external_devices.h.
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Initialise the particular implementation of the data.
[in] | n_neurons | The number of neurons |
Definition at line 144 of file neuron_impl_external_devices.h.
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Add inputs to the neuron.
[in] | synapse_type_index | the synapse type (e.g. exc. or inh.) |
[in] | neuron_index | the index of the neuron |
[in] | weights_this_timestep | weight inputs to be added |
Definition at line 179 of file neuron_impl_external_devices.h.
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The number of words required to hold an object of given size.
[in] | size | The size of object |
Definition at line 191 of file neuron_impl_external_devices.h.
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Definition at line 196 of file neuron_impl_external_devices.h.
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Do the timestep update for the particular implementation.
[in] | timer_count | The timer count, used for TDMA packet spreading |
[in] | time | The time step of the update |
[in] | n_neurons | The number of neurons |
Definition at line 257 of file neuron_impl_external_devices.h.
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Stores neuron parameters back into SDRAM.
[out] | address | the address in SDRAM to start the store |
[in] | next | Offset of next address in store |
[in] | n_neurons | number of neurons |
Definition at line 361 of file neuron_impl_external_devices.h.
void neuron_impl_print_inputs | ( | uint32_t | n_neurons | ) |
Print the inputs to the neurons.
[in] | n_neurons | The number of neurons |
Definition at line 387 of file neuron_impl_external_devices.h.
void neuron_impl_print_synapse_parameters | ( | uint32_t | n_neurons | ) |
Print the synapse parameters of the neurons.
[in] | n_neurons | The number of neurons |
Definition at line 417 of file neuron_impl_external_devices.h.
const char * neuron_impl_get_synapse_type_char | ( | uint32_t | synapse_type | ) |
Get the synapse type character for a synapse type.
[in] | synapse_type | The synapse type |
Definition at line 427 of file neuron_impl_external_devices.h.
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Array of neuron states.
Definition at line 92 of file neuron_impl_external_devices.h.
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Threshold states array.
Definition at line 95 of file neuron_impl_external_devices.h.
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The synapse shaping parameters.
Definition at line 98 of file neuron_impl_external_devices.h.
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The number of steps to run per timestep.
Definition at line 101 of file neuron_impl_external_devices.h.