How to sned more than 32bits of data to HPS form FPGA custom ip

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 down votefavorite (http://stackoverflow.com/questions/43377035/read-data-from-the-fpga-ip-to-the-hps-in-altera-soc-fpga#)   I am trying to access data from hps via Avalon memory mapping interface. I have put together system in qsys and assigned base address. In below code the I got the count value in 1st 32 bit std_logic_vector data to the HPS. But I didn't get the data in second 32 bit std_logic_vector     library ieee; use ieee.std_logic_1164.all; USE ieee.numeric_std.ALL;  use IEEE.STD_LOGIC_ARITH.ALL; use IEEE.STD_LOGIC_UNSIGNED.ALL;   entity en is  GENERIC(  max_pulse : INTEGER := 800; --pulses per revolution  res_bits : INTEGER := 16); --max count 2^res_bits port(  --avlon slave inputsa and outputs  clk : in std_logic;  reset : in std_logic;  avs_s0_address : IN STD_LOGIC;  avs_s0_read : IN STD_LOGIC;  avs_s0_write : IN STD_LOGIC;  avs_s0_readdata : OUT STD_LOGIC_VECTOR(31 DOWNTO 0);  avs_s0_writedata : IN STD_LOGIC_VECTOR(31 DOWNTO 0)      &nbsp;);   end en;    architecture behavior of encorder is   ----- avlon read PROCESS(avs_s0_read) BEGIN IF avs_s0_read = '1' THEN CASE(avs_s0_address) IS WHEN '0' => avs_s0_readdata <= x"0f0ff0f0"; WHEN '1' => avs_s0_readdata <= x"0f0fffff"; WHEN others => avs_s0_readdata <= x"00000000"; END CASE; ELSE avs_s0_readdata <= x"00000000"; END IF; END PROCESS; The way I access data from the HPS is as below,   # define COUNT 0xFF200020 //Avalon base Addrs +counter base Addrsint  main(void){   volatile int * Count_ptr = (int *) COUNT;  unsigned int cnt, ex;  while(1) {   cnt = *(Count_ptr);  ex = *(Count_ptr+1);  printf("count = %d \n",cnt);  printf("count = %d \n",ex );  } }    0down votefavorite (http://stackoverflow.com/questions/43377035/read-data-from-the-fpga-ip-to-the-hps-in-altera-soc-fpga#)   I am trying to access data from hps via Avalon memory mapping interface. I have put together system in qsys and assigned base address. In below code the I got the count value in 1st 32 bit std_logic_vector (count) data to the HPS. But I didn't get the data in second 32 bit std_logic_vector (count_n)