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[/] [openmsp430/] [trunk/] [core/] [sim/] [rtl_sim/] [src/] [dbg_i2c_halt_irq.v] - Rev 224
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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 */ /* */ /*===========================================================================*/ /* SERIAL DEBUG INTERFACE */ /*---------------------------------------------------------------------------*/ /* Test the serial debug interface: */ /* - Interrupts when going out of halt mode. */ /* */ /* Author(s): */ /* - Olivier Girard, olgirard@gmail.com */ /* */ /*---------------------------------------------------------------------------*/ /* $Rev: 19 $ */ /* $LastChangedBy: olivier.girard $ */ /* $LastChangedDate: 2009-08-04 23:47:15 +0200 (Tue, 04 Aug 2009) $ */ /*===========================================================================*/ reg [15:0] r13_bkup; initial begin $display(" ==============================================="); $display("| START SIMULATION |"); $display(" ==============================================="); `ifdef DBG_EN `ifdef DBG_I2C #1 dbg_en = 1; repeat(30) @(posedge mclk); stimulus_done = 0; `ifdef DBG_RST_BRK_EN dbg_i2c_wr(CPU_CTL, 16'h0002); // RUN `endif // Wait until software initialization is done if (r15!==(`PER_SIZE+16'h0000)) @(r15==(`PER_SIZE+16'h0000)); dbg_i2c_wr(CPU_CTL, 16'h0001); // HALT repeat(150) @(posedge mclk); r13_bkup = r13; // Generate a GPIO interrupt p1_din[0] = 1'b1; repeat(150) @(posedge mclk); // Re-start the CPU dbg_i2c_wr(CPU_CTL, 16'h0002); // RUN repeat(150) @(posedge mclk); // Make sure the interrupt was serviced if (r14 !== 16'haaaa) tb_error("====== Interrupt was not properly serviced ====="); // Make sure the program resumed execution when coming back from IRQ if (r13 === r13_bkup) tb_error("====== Program didn't properly resumed execution ====="); p1_din[1] = 1'b1; stimulus_done = 1; `else tb_skip_finish("| (serial debug interface I2C not included) |"); `endif `else tb_skip_finish("| (serial debug interface not included) |"); `endif end
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