litex/misoclib/test/test_etherbone.py

import socket, time
from liteeth.test.model.etherbone import *

SRAM_BASE = 0x02000000

import socket

def main(wb):
	sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

	# test probe
	packet = EtherbonePacket()
	packet.pf = 1
	packet.encode()
	sock.sendto(bytes(packet), ("192.168.1.40", 20000))
	time.sleep(0.01)

	# test writes
	writes_datas = [j for j in range(16)]
	writes = EtherboneWrites(base_addr=SRAM_BASE, datas=writes_datas)
	record = EtherboneRecord()
	record.writes = writes
	record.reads = None
	record.bca = 0
	record.rca = 0
	record.rff = 0
	record.cyc = 0
	record.wca = 0
	record.wff = 0
	record.byte_enable = 0xf
	record.wcount = len(writes_datas)
	record.rcount = 0

	packet = EtherbonePacket()
	packet.records = [record]
	packet.encode()
	sock.sendto(bytes(packet), ("192.168.1.40", 20000))
	time.sleep(0.01)

	# test reads
	reads_addrs = [SRAM_BASE+4*j for j in range(16)]
	reads = EtherboneReads(base_ret_addr=0x1000, addrs=reads_addrs)
	record = EtherboneRecord()
	record.writes = None
	record.reads = reads
	record.bca = 0
	record.rca = 0
	record.rff = 0
	record.cyc = 0
	record.wca = 0
	record.wff = 0
	record.byte_enable = 0xf
	record.wcount = 0
	record.rcount = len(reads_addrs)

	packet = EtherbonePacket()
	packet.records = [record]
	packet.encode()
	sock.sendto(bytes(packet), ("192.168.1.40", 20000))
	time.sleep(0.01)