From bfc10b8ac4ba77869ed494e2228e416152d07efc Mon Sep 17 00:00:00 2001 From: Ingo Froehlich Date: Mon, 24 Jul 2017 18:24:34 +0200 Subject: [PATCH] fixed missing wait for ready when reading, IF --- interface/spi_slave.vhd | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/interface/spi_slave.vhd b/interface/spi_slave.vhd index 9badbab..8db8c1a 100644 --- a/interface/spi_slave.vhd +++ b/interface/spi_slave.vhd @@ -114,10 +114,18 @@ PROC_GEN_SIGNALS : process begin state <= PREPARE_OUTPUT; when PREPARE_OUTPUT => - if READY_IN = '1' then - output_data(15 downto 0) <= DATA_IN; + if operation_i = '0' then + if READY_IN = '1' then + output_data(15 downto 0) <= DATA_IN; + state <= WRITE_DATA; + end if; + else +-- if READY_IN = '1' then +-- output_data(15 downto 0) <= DATA_IN; +-- end if; + output_data(15 downto 0) <= x"0000"; + state <= WRITE_DATA; end if; - state <= WRITE_DATA; when WRITE_DATA => if bitcnt = 31 then -- 2.43.0