From 5daf96bc4da95688a0196fc1efbaebcf7ea541ba Mon Sep 17 00:00:00 2001 From: Luke Kenneth Casson Leighton Date: Wed, 4 Jul 2018 14:12:02 +0100 Subject: [PATCH] add new multi-input test --- src/test_bsv/tests/test_pinmux.py | 47 +++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/src/test_bsv/tests/test_pinmux.py b/src/test_bsv/tests/test_pinmux.py index 8d529bd..6195877 100644 --- a/src/test_bsv/tests/test_pinmux.py +++ b/src/test_bsv/tests/test_pinmux.py @@ -256,3 +256,50 @@ def pinmux_twi_sda(dut): yield Timer(2) dut._log.info("Ok!, twi_sda passed") + + +@cocotb.test() +def pinmux_twi_sda2(dut): + """Test for I2C multi-input (route 2 inputs to same function)""" + yield Timer(2) + # mux selection lines, each input two bit wide + dut.mux_lines_cell0_mux_in = 0 + dut.mux_lines_cell1_mux_in = 2 + yield Timer(2) + # enable input for mux + dut.EN_mux_lines_cell0_mux = 1 + dut.EN_mux_lines_cell1_mux = 1 + dut.EN_mux_lines_cell2_mux = 0 + + # TWI + yield Timer(2) + # Test for in + dut.peripheral_side_twi_sda_outen_in = 0 + dut.iocell_side_io1_cell_in_in = 0 + yield Timer(2) + + if dut.peripheral_side_twi_sda_in != 0: + raise TestFailure( + "iocell_io1=0/mux=0/out=0 %s twi_sda != 0" % + str(dut.peripheral_side_twi_sda_in)) + + dut.iocell_side_io1_cell_in_in = 1 + yield Timer(2) + + if dut.peripheral_side_twi_sda_in != 1: + raise TestFailure( + "iocell_io1=1/mux=0/out=0 %s twi_sda != 1" % + str(dut.peripheral_side_twi_sda_in)) + + dut.iocell_side_io1_cell_in_in = 0 + yield Timer(2) + dut._log.info("twi_sda_in %s" % dut.peripheral_side_twi_sda_in) + + if dut.peripheral_side_twi_sda_in != 0: + raise TestFailure( + "iocell_io1=1/mux=0/out=0 %s twi_sda != 0" % + str(dut.peripheral_side_twi_sda_in)) + + yield Timer(2) + + dut._log.info("Ok!, twi_sda test2 passed") -- 2.30.2