otestovan 'spi repeater' neuplny zpetny prenos (chybny prvni a posledni byte). Je...

diff --git a/pmsm-control/rpi_mc_simple_dc.vhdl b/pmsm-control/rpi_mc_simple_dc.vhdl
index f3ca0878739665aac504b59cb77fb185cb0da8a3..d1810c68b1357a8230ee585bda4a6857ab4b698a 100644 (file)
--- a/pmsm-control/rpi_mc_simple_dc.vhdl
+++ b/pmsm-control/rpi_mc_simple_dc.vhdl
@@ -29,7 +29,7 @@ entity rpi_mc_simple_dc is
                gpio23: out std_logic; -- SD1CMD
                gpio24: out std_logic; -- SD1DAT0
                gpio10: in std_logic; -- SPI0MOSI
-               gpio9: in std_logic; -- SPI0MISO
+               gpio9: out std_logic; -- SPI0MISO
                gpio25: out std_logic; -- SD1DAT1
                gpio11: in std_logic; -- SPI0SCLK
                gpio8: in std_logic; -- SPI0CE0
@@ -104,7 +104,7 @@ architecture behavioral of rpi_mc_simple_dc is
 
        signal pwm_in, pwm_dir_in: std_logic;
        signal spi_clk: std_logic;
-       signal dat_reg : STD_LOGIC_VECTOR (7 downto 0); --registr pro SPI
+       signal dat_reg : STD_LOGIC_VECTOR (7 downto 0):=(others=>'0'); --registr pro SPI
 
        --  attribute syn_noprune of gpio2 : signal is true;
        --  attribute syn_preserve of gpio2 : signal is true;
@@ -143,7 +143,7 @@ begin
                dip_sw(1) and dip_sw(2) and dip_sw(3) and
                irc_a and irc_b and
                -- gpio17 and gpio18 and gpio27 and gpio22 and
-               gpio8 and gpio9 and gpio11 and gpio7 and gpio10 and
+               gpio8  and gpio11 and gpio7 and gpio10 and
                ext_scs1 and ext_scs2 and ext_miso and ext_mosi and ext_sclk and ext_scs0;
                        
        rs485_txd <= '1';
@@ -181,6 +181,10 @@ begin
                                gpio25 <= dat_reg(0);
        
                        end if;
+               elsif (falling_edge(spi_clk)) then
+                       if (gpio7 = '0') then
+                               gpio9 <= dat_reg(7); --zapisujeme nejdriv MSB
+                       end if;
                end if;
        end process;
 end behavioral;