From 492475f1ca9d986f23d5a2aad743994c32ce3e5f Mon Sep 17 00:00:00 2001 From: Luke Kenneth Casson Leighton Date: Sun, 24 Jun 2018 13:28:41 +0100 Subject: [PATCH] add preliminary mux-out wire --- src/test_bsv/pinmux.bsv | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/src/test_bsv/pinmux.bsv b/src/test_bsv/pinmux.bsv index 3ef35c2..2bf4349 100644 --- a/src/test_bsv/pinmux.bsv +++ b/src/test_bsv/pinmux.bsv @@ -171,20 +171,38 @@ package pinmux; /*====== This where the muxing starts for each io-cell======*/ + // TODO: this needs to stop using GenericIOType and + // set the output (and only the output) as a wire // output muxer for cell idx 0 cell0_mux_out=wrcell0_mux==0?gpioa_a0_io: wrcell0_mux==1?uart0_tx_io: 0; + // TODO: here is needed something which sets a new + // wire, cell0_mux_outen + cell0_mux_outen= + wrcell0_mux==0?gpioa_a0_io.output_en: // gpio bi-directional + wrcell0_mux==1?gpioa_a0_io.output_en: // i think.... + 0; // not sure.... 3rd entry is blank... might as well be 0 + rule assign_wrgpioa_a0_in_on_cell0(wrcell0_mux==0); wrgpioa_a0_in<=cell0_mux_in; endrule + // TODO: this needs to stop using GenericIOType and + // set the output (and only the output) as a wire // output muxer for cell idx 1 cell1_mux_out=wrcell1_mux==0?gpioa_a1_io: wrcell1_mux==1?uart0_rx_io: twi0_sda_io; + // TODO: here is needed something which sets a new + // wire, cell1_mux_outen + cell1_mux_outen= + wrcell1_mux==0?gpioa_a1_io.output_en: // gpio bi-directional + wrcell1_mux==1?uart0_rx_io: // oink?? this is an input!! + twi0_sda_io.output_en; // this one's bi-directional + rule assign_wrgpioa_a1_in_on_cell1(wrcell1_mux==0); wrgpioa_a1_in<=cell1_mux_in; endrule @@ -199,8 +217,11 @@ package pinmux; wrtwi0_sda_in<=cell1_mux_in; endrule + // TODO: this needs to stop using GenericIOType and + // set the output (and only the output) as a wire // output muxer for cell idx 2 - cell2_mux_out=wrcell2_mux==0?gpioa_a2_io: + cell2_mux_out= + wrcell2_mux==0?gpioa_a2_io: wrcell2_mux==1?0: twi0_scl_io; -- 2.30.2