From 4c6ca8d5e239b74e7765b71ec13eba014572db8a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andreas=20Dr=C3=B6scher?= Date: Sat, 18 Aug 2018 22:14:20 +0200 Subject: [PATCH] hi_read_tx: remove jerry-riged hysteresis based receiver This future got obsolete by a x-correlation based receiver. This reverts commit 24fe4df. --- fpga/hi_read_tx.v | 19 +++---------------- 1 file changed, 3 insertions(+), 16 deletions(-) diff --git a/fpga/hi_read_tx.v b/fpga/hi_read_tx.v index fc309cde..756683cd 100644 --- a/fpga/hi_read_tx.v +++ b/fpga/hi_read_tx.v @@ -71,21 +71,8 @@ always @(negedge ssp_clk) assign ssp_frame = (hi_byte_div == 3'b000); -// Implement a hysteresis to give out the received signal on -// ssp_din. Sample at fc. -assign adc_clk = ck_1356meg; +assign ssp_din = 1'b0; -// ADC data appears on the rising edge, so sample it on the falling edge -reg after_hysteresis; -always @(negedge adc_clk) -begin - if(& adc_d[7:0]) after_hysteresis <= 1'b1; - else if(~(| adc_d[7:0])) after_hysteresis <= 1'b0; -end +assign dbg = ssp_frame; - -assign ssp_din = after_hysteresis; - -assign dbg = ssp_din; - -endmodule +endmodule \ No newline at end of file