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[/] [uart_block/] [trunk/] [hdl/] [iseProject/] [testUart_wishbone_slave.vhd] - Diff between revs 21 and 23

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Rev 21 Rev 23
Line 104... Line 104... 
                DAT_I0 <= conv_std_logic_vector(115200, (nBitsLarge));
 
                DAT_I0 <= conv_std_logic_vector(115200, (nBitsLarge));
 
                wait until ACK_O = '1';
 
                wait until ACK_O = '1';
 
                WE_I <= '0';
 
                WE_I <= '0';
 
                STB_I <= '0';
 
                STB_I <= '0';
 
                ADR_I0 <= (others => 'U');
 
                ADR_I0 <= (others => 'U');
 
                wait for CLK_I_period;
 
                wait for CLK_I_period*40;
 
 
 
 
 
                -- Ask to send some data...(0xC4)
 
                -- Ask to send some data...(0xC4)
 
                ADR_I0 <= "10";
 
                ADR_I0 <= "10";
 
                WE_I <= '1';
 
                WE_I <= '1';
 
                STB_I <= '1';
 
                STB_I <= '1';
 
                DAT_I0 <= x"000000C4";
 
                DAT_I0 <= x"000000C4";
 
                wait until ACK_O = '1';
 
                wait until ACK_O = '1';
 
                WE_I <= '0';
 
                WE_I <= '0';
 
                STB_I <= '0';
 
                STB_I <= '0';
 
                ADR_I0 <= (others => 'U');
 
                ADR_I0 <= (others => 'U');
 
                wait for CLK_I_period*500;
 
                wait for CLK_I_period*5000;
 
 
 
 
 
                -- Receive data from serial
 
 
 
                ADR_I0 <= "11";
 
 
 
                WE_I <= '0';
 
 
 
                STB_I <= '1';
 
 
 
                wait for CLK_I_period*100; -- Error !!!!! (Should not need this!!)
 
 
 
 
 
 
 
                -- Receive data... (Should work by retainning the last received value...)
 
 
 
                -- Receive 0x55 value (01010101)
 
                -- Receive 0x55 value (01010101)
 
                serial_in <= '0'; -- Start bit
 
                serial_in <= '0'; -- Start bit
 
                wait for 8.68 us;
 
                wait for 8.68 us;
 
 
 
 
 
                serial_in <= '1';
 
                serial_in <= '1';
Line 147... Line 140... 
                serial_in <= '0';
 
                serial_in <= '0';
 
      wait for 8.68 us;
 
      wait for 8.68 us;
 
 
 
 
 
                -- Stop bit here
 
                -- Stop bit here
 
                serial_in <= '1';
 
                serial_in <= '1';
 
 
 
                wait for CLK_I_period*5000;
 
 
 
 
 
                wait until ACK_O = '1';
 
 
 
                wait for CLK_I_period*100;
 
 
 
                STB_I <= '0';
 
 
 
                wait for CLK_I_period*100;
 
 
 
 
 
 
 
                -- Read byte sent...
 
 
 
                ADR_I0 <= "10";
 
 
 
                WE_I <= '0';
 
 
 
                STB_I <= '1';
 
 
 
                wait until ACK_O = '1';
 
 
 
                wait for CLK_I_period*100;
 
 
 
 
 
 
 
      -- Stop Simulation
 
      -- Stop Simulation
 
                assert false report "NONE. End of simulation." severity failure;
 
                assert false report "NONE. End of simulation." severity failure;
 
   end process;
 
   end process;
 
 
 
 

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