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[/] [openmsp430/] [trunk/] [core/] [sim/] [rtl_sim/] [src/] [wdt_clkmux.v] - Rev 155
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/*===========================================================================*/ /* Copyright (C) 2001 Authors */ /* */ /* This source file may be used and distributed without restriction provided */ /* that this copyright statement is not removed from the file and that any */ /* derivative work contains the original copyright notice and the associated */ /* disclaimer. */ /* */ /* This source file is free software; you can redistribute it and/or modify */ /* it under the terms of the GNU Lesser General Public License as published */ /* by the Free Software Foundation; either version 2.1 of the License, or */ /* (at your option) any later version. */ /* */ /* This source is distributed in the hope that it will be useful, but WITHOUT*/ /* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */ /* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */ /* License for more details. */ /* */ /* You should have received a copy of the GNU Lesser General Public License */ /* along with this source; if not, write to the Free Software Foundation, */ /* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* */ /*===========================================================================*/ /* WATCHDOG TIMER */ /*---------------------------------------------------------------------------*/ /* Test the Watdog timer: */ /* - Clock source selection. */ /* */ /* Author(s): */ /* - Olivier Girard, olgirard@gmail.com */ /* */ /*---------------------------------------------------------------------------*/ /* $Rev: 134 $ */ /* $LastChangedBy: olivier.girard $ */ /* $LastChangedDate: 2012-03-22 21:31:06 +0100 (Thu, 22 Mar 2012) $ */ /*===========================================================================*/ `define LONG_TIMEOUT integer mclk_counter; always @ (posedge mclk) mclk_counter <= mclk_counter+1; integer r5_counter; always @ (posedge r5[0] or negedge r5[0]) r5_counter <= r5_counter+1; initial begin $display(" ==============================================="); $display("| START SIMULATION |"); $display(" ==============================================="); repeat(5) @(posedge mclk); stimulus_done = 0; `ifdef WATCHDOG // WATCHDOG TEST INTERVAL MODE /64 - SMCLK == MCLK/2 //-------------------------------------------------------- @(r15 === 16'h0001); @(posedge r5[0]); @(negedge mclk); mclk_counter = 0; r5_counter = 0; repeat(1024) @(negedge mclk); if (mclk_counter !== 1024) tb_error("====== WATCHDOG TEST INTERVAL MODE /64 - SMCLK - TEST 1 ====="); `ifdef ASIC `ifdef WATCHDOG_MUX `ifdef SMCLK_DIVIDER if (r5_counter !== 7) tb_error("====== WATCHDOG TEST INTERVAL MODE /64 - SMCLK - TEST 2 ====="); `else if (r5_counter !== 14) tb_error("====== WATCHDOG TEST INTERVAL MODE /64 - SMCLK - TEST 3 ====="); `endif `else `ifdef WATCHDOG_NOMUX_ACLK `ifdef LFXT_DOMAIN if (r5_counter !== 0) tb_error("====== WATCHDOG TEST INTERVAL MODE /64 - SMCLK - TEST 4 ====="); `else if (r5_counter !== 14) tb_error("====== WATCHDOG TEST INTERVAL MODE /64 - SMCLK - TEST 5 ====="); `endif `else `ifdef SMCLK_DIVIDER if (r5_counter !== 7) tb_error("====== WATCHDOG TEST INTERVAL MODE /64 - SMCLK - TEST 6 ====="); `else if (r5_counter !== 14) tb_error("====== WATCHDOG TEST INTERVAL MODE /64 - SMCLK - TEST 7 ====="); `endif `endif `endif `else if (r5_counter !== 8) tb_error("====== WATCHDOG TEST INTERVAL MODE /64 - SMCLK - TEST 8 ====="); `endif // WATCHDOG TEST INTERVAL MODE /64 - ACLK == LFXTCLK/1 //-------------------------------------------------------- @(r15 === 16'h1001); @(negedge r5[0]); @(negedge mclk); mclk_counter = 0; r5_counter = 0; repeat(7815) @(negedge mclk); if (mclk_counter !== 7815) tb_error("====== WATCHDOG TEST INTERVAL MODE /64 - ACLK - TEST 1 ====="); `ifdef ASIC `ifdef WATCHDOG_MUX if (r5_counter !== 4) tb_error("====== WATCHDOG TEST INTERVAL MODE /64 - ACLK - TEST 2 ====="); `else `ifdef WATCHDOG_NOMUX_ACLK `ifdef LFXT_DOMAIN if (r5_counter !== 4) tb_error("====== WATCHDOG TEST INTERVAL MODE /64 - ACLK - TEST 3 ====="); `else if (r5_counter !== 122) tb_error("====== WATCHDOG TEST INTERVAL MODE /64 - ACLK - TEST 4 ====="); `endif `else if (r5_counter !== 122) tb_error("====== WATCHDOG TEST INTERVAL MODE /64 - ACLK - TEST 5 ====="); `endif `endif `else if (r5_counter !== 4) tb_error("====== WATCHDOG TEST INTERVAL MODE /64 - ACLK - TEST 6 ====="); `endif `else $display(" ==============================================="); $display("| SIMULATION SKIPPED |"); $display("| (the Watchdog is not included) |"); $display(" ==============================================="); $finish; `endif stimulus_done = 1; end
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