tzechienchu

from machine import Pin, PWM
import time
import random
import uasyncio

t0 = 0
ref0 = 0
pinpwmin = Pin(5,Pin.IN)
pindir = Pin(6,Pin.IN)

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# iCEstick constraint file
# 
# red LEDs
set_io  lpc_clk_led             99
# set_io  rled1           99
set_io  lpc_frame_led           98
# set_io  rled2           98
set_io  lpc_reset_led           97
# set_io  rled3           97
set_io  valid_lpc_output_led    96

tzechienchu

import sys
import ftd2xx as ftd

print(ftd.listDevices())
d = ftd.open(1)
print(d.getDeviceInfo())
d.resetDevice()
d.setBitMode(0xff, 0x40)
d.setUSBParameters(64*1024, 64*1024)
d.setFlowControl(ftd.defines.FLOW_RTS_CTS)

tzechienchu

/*
 *  IceZProg -- Programmer and Debug Tool for the IcoZero Board
 *
 *  Copyright (C) 2017  Clifford Wolf <[email protected]>
 *  
 *  Permission to use, copy, modify, and/or distribute this software for any
 *  purpose with or without fee is hereby granted, provided that the above
 *  copyright notice and this permission notice appear in all copies.
 *  
 *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

tzechienchu

import wave
import numpy as np
import matplotlib.pyplot as plt
import array

wav_obj = wave.open('spike11K.wav', 'rb')
sample_freq = wav_obj.getframerate()
print(sample_freq)
n_samples = wav_obj.getnframes()
print(n_samples)

tzechienchu

    SB_PLL40_PAD #(
       .FEEDBACK_PATH("SIMPLE"),
       .PLLOUT_SELECT("GENCLK"),
       .DIVR(4'b0000),
       .DIVF(7'b1010100),
       .DIVQ(3'b101),
       .FILTER_RANGE(3'b001),
     ) SB_PLL40_CORE_inst (
       .RESETB(1'b1),
       .BYPASS(1'b0),

tzechienchu

module Rom (
    input clk,
    input [6:0] addr,
    output reg [7:0] data);
    
    reg [7:0] Rom [127:0];
    initial $readmemh("Rom.data", Rom);

    always @(posedge clk)
        data <= Rom[addr];

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from machine import Pin, I2C
import binascii

def i2c_read(i2c,reg):
    rx_buf = bytearray(1)
    reg_add = bytearray(1)
    reg_add[0] = reg
    i2c.writeto(0x55, reg_add)
    rx_buf = i2c.readfrom(0x55, 1)
    return binascii.hexlify(rx_buf)

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 SB_IO #(
      .PIN_TYPE(6'b1010_01),
      .PULLUP(1'b0)
  ) triState (
      .PACKAGE_PIN(pin),
      .OUTPUT_ENABLE(oe),
      .D_OUT_0(dout),
      .D_IN_0(din)
  );

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///////////////////////////////////////////////////////////////////////////////////////////////////
//
// File: random_pulse_generator.v
// File history:
//      Version 1: 2015-03-24: Created
//
// Description: 
//
// Poisson process generator. 
// Generate Poisson process with desired inversed rate (number of clocks per hit).