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Commit aac2a1bf authored by Ille, Ondrej, Ing.'s avatar Ille, Ondrej, Ing.
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Brought up interrupt feature test.

parent 18acb948
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Showing with 50 additions and 20 deletions
test/feature/int_feature_tb.vhd
View file @ aac2a1bf
......@@ -182,11 +182,13 @@ package body interrupt_feature is
if (not int_stat.receive_int) then
outcome := false;
end if;
clear_int_status(int_stat, ID_1, mem_bus_1);
read_int_status(int_stat, ID_2, mem_bus_2);
if (not int_stat.transmitt_int) then
outcome := false;
end if;
clear_int_status(int_stat, ID_2, mem_bus_2);
------------------------------------------------------------------------
-- Part 2
......@@ -222,12 +224,15 @@ package body interrupt_feature is
if (not int_stat.bus_error_int) then
outcome := false;
end if;
clear_int_status(int_stat, ID_1, mem_bus_1);
read_int_status(int_stat, ID_2, mem_bus_2);
if (not int_stat.bus_error_int) then
report "FUCK" severity error;
outcome := false;
end if;
CAN_wait_frame_sent(ID_1,mem_bus_1);
end if;
CAN_wait_frame_sent(ID_1, mem_bus_1);
clear_int_status(int_stat, ID_2, mem_bus_2);
wait for 15000 ns;
......@@ -237,7 +242,7 @@ package body interrupt_feature is
------------------------------------------------------------------------
-- Data overrun interrupt and recieve buffer full interrupt node 2
------------------------------------------------------------------------
report "Starting Data overrun recieve buffer interrupt";
report "Starting Data overrun, recieve buffer interrupt";
int_ena.data_overrun_int := true;
int_ena.rx_buffer_full_int := true;
write_int_enable(int_ena, ID_2, mem_bus_2);
......@@ -246,7 +251,7 @@ package body interrupt_feature is
-- Give release receive buffer command
command.release_rec_buffer := true;
give_controller_command(command, ID_1, mem_bus_1);
give_controller_command(command, ID_2, mem_bus_2);
command.release_rec_buffer := false;
------------------------------------------------------------------------
......@@ -255,22 +260,30 @@ package body interrupt_feature is
-- multiple of 4!
------------------------------------------------------------------------
get_rx_buf_state(buf_info, ID_2, mem_bus_2);
--report "Buffer size: " & Integer'image(buf_info.rx_buff_size);
-- Send RTR frames till we fill the buffer
CAN_frame.rtr := RTR_FRAME;
CAN_frame.frame_format := NORMAL_CAN;
for i in 0 to (size_of_buf / 4) + 1 loop
for i in 0 to (buf_info.rx_buff_size / 4) + 1 loop
CAN_send_frame(CAN_frame, 1, ID_1, mem_bus_1, frame_sent);
if (i < size_of_buf / 4) then
CAN_wait_frame_sent(ID_1,mem_bus_1);
else
wait until rising_edge(int_2);
CAN_wait_frame_sent(ID_1, mem_bus_1);
-- On last frame RX Buffer should be full. Check if interrupt was
-- fired and clear it!
if (i = (buf_info.rx_buff_size / 4)) then
if (int_2 = '0') then
outcome := false;
else
read_int_status(int_stat, ID_2, mem_bus_2);
clear_int_status(int_stat, ID_2, mem_bus_2);
end if;
end if;
end loop;
CAN_wait_frame_sent(ID_1, mem_bus_1);
------------------------------------------------------------------------
-- Detect the data overrun interrupt flag and recieve buffer full flag
------------------------------------------------------------------------
......@@ -281,7 +294,8 @@ package body interrupt_feature is
end if;
if (not int_stat.data_overrun_int) then
outcome := false;
end if;
end if;
clear_int_status(int_stat, ID_2, mem_bus_2);
wait for 30000 ns;
......@@ -306,7 +320,7 @@ package body interrupt_feature is
------------------------------------------------------------------------
-- Wait on bit rate shift
------------------------------------------------------------------------
wait until rising_edge(int_1);
wait until rising_edge(int_2);
------------------------------------------------------------------------
-- Detect the Bit rate shift interrupt flag
......@@ -315,8 +329,11 @@ package body interrupt_feature is
if (not int_stat.bit_rate_shift_int) then
outcome := false;
end if;
CAN_wait_frame_sent(ID_2,mem_bus_2);
CAN_wait_frame_sent(ID_2,mem_bus_2);
clear_int_status(int_stat, ID_2, mem_bus_2);
read_int_status(int_stat, ID_1, mem_bus_1);
clear_int_status(int_stat, ID_1, mem_bus_1);
------------------------------------------------------------------------
-- Part 5
......@@ -324,6 +341,7 @@ package body interrupt_feature is
------------------------------------------------------------------------
-- Arbitration lost interrupt in node 1
------------------------------------------------------------------------
report "Starting arbitration lost int";
int_ena.arb_lost_int := true;
write_int_enable(int_ena, ID_1, mem_bus_1);
......@@ -343,14 +361,26 @@ package body interrupt_feature is
read_int_status(int_stat, ID_1, mem_bus_1);
if (not int_stat.arb_lost_int) then
outcome := false;
end if;
end if;
clear_int_status(int_stat, ID_1, mem_bus_1);
-- Wait till transmission is done on both nodes.
CAN_wait_frame_sent(ID_1, mem_bus_1);
-- Send abort command on node that lost arbitration so that it does
-- not try to transmitt again.
send_TXT_buf_cmd(buf_set_abort, 1, ID_1, mem_bus_1);
-- Wait till transmission is done
CAN_wait_frame_sent(ID_1, mem_bus_1);
------------------------------------------------------------------------
-- Clear all interrupts in both nodes
------------------------------------------------------------------------
read_int_status(int_stat, ID_1, mem_bus_1);
clear_int_status(int_stat, ID_1, mem_bus_1);
read_int_status(int_stat, ID_2, mem_bus_2);
clear_int_status(int_stat, ID_2, mem_bus_2);
report "Finished interrupt test";
wait for 750000 ns;
wait for 300000 ns;
end procedure;
......
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