synapses.h

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/*
 * Copyright (c) 2015 The University of Manchester
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef _SYNAPSES_H_
#define _SYNAPSES_H_
 
#include <common/neuron-typedefs.h>
#include <debug.h>
#include "synapse_row.h"
 
extern uint32_t synapse_type_index_bits;
extern uint32_t synapse_type_index_mask;
extern uint32_t synapse_index_bits;
extern uint32_t synapse_index_mask;
extern uint32_t synapse_type_bits;
extern uint32_t synapse_type_mask;
extern uint32_t synapse_delay_bits;
extern uint32_t synapse_delay_mask;
 
extern uint32_t synapses_saturation_count;
 
extern uint32_t skipped_synapses;
 
extern uint32_t late_spikes;
 
extern uint32_t max_late_spike;
 
 
static inline void synapses_print_weight(
        weight_t weight, uint32_t left_shift) {
    if (weight != 0) {
        io_printf(IO_BUF, "%12.6k",
                synapse_row_convert_weight_to_input(weight, left_shift));
    } else {
        io_printf(IO_BUF, "      ");
    }
}
 
bool synapses_initialise(
        address_t synapse_params_address,
        uint32_t *n_neurons, uint32_t *n_synapse_types,
        weight_t **ring_buffers,
        uint32_t **ring_buffer_to_input_buffer_left_shifts,
        bool* clear_input_buffers_of_late_packets_init,
        uint32_t *incoming_spike_buffer_size);
 
bool synapses_process_synaptic_row(
        uint32_t time, uint32_t spike_colour, uint32_t colour_mask,
        synaptic_row_t row, bool *write_back);
 
uint32_t synapses_get_pre_synaptic_events(void);
 
void synapses_resume(timer_t time);
 
void synapses_flush_ring_buffers(timer_t time);
 
#endif // _SYNAPSES_H_