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[/] [openmsp430/] [trunk/] [core/] [sim/] [rtl_sim/] [src/] [dbg_i2c.v] - Rev 202
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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 */ /* */ /*===========================================================================*/ /* DEBUG INTERFACE: I2C */ /*---------------------------------------------------------------------------*/ /* Test the I2C debug interface: */ /* - Check RD/WR access to debugg registers. */ /* - Check RD Bursts. */ /* - Check WR Bursts. */ /* */ /* Author(s): */ /* - Olivier Girard, olgirard@gmail.com */ /* */ /*---------------------------------------------------------------------------*/ /* $Rev: 95 $ */ /* $LastChangedBy: olivier.girard $ */ /* $LastChangedDate: 2011-02-24 21:37:57 +0100 (Thu, 24 Feb 2011) $ */ /*===========================================================================*/ `define LONG_TIMEOUT reg [2:0] cpu_version; reg cpu_asic; reg [4:0] user_version; reg [6:0] per_space; reg mpy_info; reg [8:0] dmem_size; reg [5:0] pmem_size; reg [31:0] dbg_id; integer step; initial begin $display(" ==============================================="); $display("| START SIMULATION |"); $display(" ==============================================="); `ifdef DBG_EN `ifdef DBG_I2C step = 0; #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 // TEST CPU REGISTERS //-------------------------------------------------------- step = 1; cpu_version = `CPU_VERSION; `ifdef ASIC cpu_asic = 1'b1; `else cpu_asic = 1'b0; `endif user_version = `USER_VERSION; per_space = (`PER_SIZE >> 9); `ifdef MULTIPLIER mpy_info = 1'b1; `else mpy_info = 1'b0; `endif dmem_size = (`DMEM_SIZE >> 7); pmem_size = (`PMEM_SIZE >> 10); dbg_id = {pmem_size, dmem_size, mpy_info, per_space, user_version, cpu_asic, cpu_version}; dbg_i2c_wr(CPU_ID_LO , 16'hffff); dbg_i2c_rd(CPU_ID_LO); if (dbg_i2c_buf !== dbg_id[15:0]) tb_error("====== CPU_ID_LO uncorrect ====="); dbg_i2c_wr(CPU_ID_LO , 16'h0000); dbg_i2c_rd(CPU_ID_LO); if (dbg_i2c_buf !== dbg_id[15:0]) tb_error("====== CPU_ID_LO uncorrect ====="); dbg_i2c_wr(CPU_ID_HI , 16'hffff); dbg_i2c_rd(CPU_ID_HI); if (dbg_i2c_buf !== dbg_id[31:16]) tb_error("====== CPU_ID_HI uncorrect ====="); dbg_i2c_wr(CPU_ID_HI , 16'h0000); dbg_i2c_rd(CPU_ID_HI); if (dbg_i2c_buf !== dbg_id[31:16]) tb_error("====== CPU_ID_HI uncorrect ====="); dbg_i2c_wr(CPU_STAT , 16'hffff); dbg_i2c_rd(CPU_STAT); if (dbg_i2c_buf !== 16'h0000) tb_error("====== CPU_STAT uncorrect ====="); dbg_i2c_wr(CPU_STAT , 16'h0000); dbg_i2c_rd(CPU_STAT); if (dbg_i2c_buf !== 16'h0000) tb_error("====== CPU_STAT uncorrect ====="); dbg_i2c_wr(CPU_CTL , 16'hffff); dbg_i2c_rd(CPU_CTL); if (dbg_i2c_buf !== 16'h0078) tb_error("====== CPU_CTL uncorrect ====="); dbg_i2c_wr(CPU_CTL , 16'h0000); dbg_i2c_rd(CPU_CTL); if (dbg_i2c_buf !== 16'h0000) tb_error("====== CPU_CTL uncorrect ====="); // TEST MEMORY CONTROL REGISTERS //-------------------------------------------------------- step = 2; dbg_i2c_wr(MEM_CTL , 16'hfffe); dbg_i2c_rd(MEM_CTL); if (dbg_i2c_buf !== 16'h000E) tb_error("====== MEM_CTL uncorrect ====="); dbg_i2c_wr(MEM_CTL , 16'h0000); dbg_i2c_rd(MEM_CTL); if (dbg_i2c_buf !== 16'h0000) tb_error("====== MEM_CTL uncorrect ====="); dbg_i2c_wr(MEM_ADDR , 16'hffff); dbg_i2c_rd(MEM_ADDR); if (dbg_i2c_buf !== 16'hffff) tb_error("====== MEM_ADDR uncorrect ====="); dbg_i2c_wr(MEM_ADDR , 16'h0000); dbg_i2c_rd(MEM_ADDR); if (dbg_i2c_buf !== 16'h0000) tb_error("====== MEM_ADDR uncorrect ====="); dbg_i2c_wr(MEM_DATA , 16'hffff); dbg_i2c_rd(MEM_DATA); if (dbg_i2c_buf !== 16'hffff) tb_error("====== MEM_DATA uncorrect ====="); dbg_i2c_wr(MEM_DATA , 16'h0000); dbg_i2c_rd(MEM_DATA); if (dbg_i2c_buf !== 16'h0000) tb_error("====== MEM_DATA uncorrect ====="); dbg_i2c_wr(MEM_CNT , 16'hffff); dbg_i2c_rd(MEM_CNT); if (dbg_i2c_buf !== 16'hffff) tb_error("====== MEM_CNT uncorrect ====="); dbg_i2c_wr(MEM_CNT , 16'h0000); dbg_i2c_rd(MEM_CNT); if (dbg_i2c_buf !== 16'h0000) tb_error("====== MEM_CNT uncorrect ====="); // TEST HARDWARE BREAKPOINT 0 REGISTERS //-------------------------------------------------------- `ifdef DBG_HWBRK_0 step = 3; dbg_i2c_wr(BRK0_CTL , 16'hffff); dbg_i2c_rd(BRK0_CTL); if (`HWBRK_RANGE) begin if (dbg_i2c_buf !== 16'h001F) tb_error("====== BRK0_CTL uncorrect ====="); end else begin if (dbg_i2c_buf !== 16'h000F) tb_error("====== BRK0_CTL uncorrect ====="); end dbg_i2c_wr(BRK0_CTL , 16'h0000); dbg_i2c_rd(BRK0_CTL); if (dbg_i2c_buf !== 16'h0000) tb_error("====== BRK0_CTL uncorrect ====="); dbg_i2c_wr(BRK0_STAT , 16'hffff); dbg_i2c_rd(BRK0_STAT); if (dbg_i2c_buf !== 16'h0000) tb_error("====== BRK0_STAT uncorrect ====="); dbg_i2c_wr(BRK0_STAT , 16'h0000); dbg_i2c_rd(BRK0_STAT); if (dbg_i2c_buf !== 16'h0000) tb_error("====== BRK0_STAT uncorrect ====="); dbg_i2c_wr(BRK0_ADDR0 , 16'hffff); dbg_i2c_rd(BRK0_ADDR0); if (dbg_i2c_buf !== 16'hffff) tb_error("====== BRK0_ADDR0 uncorrect ====="); dbg_i2c_wr(BRK0_ADDR0 , 16'h0000); dbg_i2c_rd(BRK0_ADDR0); if (dbg_i2c_buf !== 16'h0000) tb_error("====== BRK0_ADDR0 uncorrect ====="); dbg_i2c_wr(BRK0_ADDR1 , 16'hffff); dbg_i2c_rd(BRK0_ADDR1); if (dbg_i2c_buf !== 16'hffff) tb_error("====== BRK0_ADDR1 uncorrect ====="); dbg_i2c_wr(BRK0_ADDR1 , 16'h0000); dbg_i2c_rd(BRK0_ADDR1); if (dbg_i2c_buf !== 16'h0000) tb_error("====== BRK0_ADDR1 uncorrect ====="); `endif // TEST HARDWARE BREAKPOINT 1 REGISTERS //-------------------------------------------------------- `ifdef DBG_HWBRK_1 step = 4; dbg_i2c_wr(BRK1_CTL , 16'hffff); dbg_i2c_rd(BRK1_CTL); if (`HWBRK_RANGE) begin if (dbg_i2c_buf !== 16'h001F) tb_error("====== BRK1_CTL uncorrect ====="); end else begin if (dbg_i2c_buf !== 16'h000F) tb_error("====== BRK1_CTL uncorrect ====="); end dbg_i2c_wr(BRK1_CTL , 16'h0000); dbg_i2c_rd(BRK1_CTL); if (dbg_i2c_buf !== 16'h0000) tb_error("====== BRK1_CTL uncorrect ====="); dbg_i2c_wr(BRK1_STAT , 16'hffff); dbg_i2c_rd(BRK1_STAT); if (dbg_i2c_buf !== 16'h0000) tb_error("====== BRK1_STAT uncorrect ====="); dbg_i2c_wr(BRK1_STAT , 16'h0000); dbg_i2c_rd(BRK1_STAT); if (dbg_i2c_buf !== 16'h0000) tb_error("====== BRK1_STAT uncorrect ====="); dbg_i2c_wr(BRK1_ADDR0 , 16'hffff); dbg_i2c_rd(BRK1_ADDR0); if (dbg_i2c_buf !== 16'hffff) tb_error("====== BRK1_ADDR0 uncorrect ====="); dbg_i2c_wr(BRK1_ADDR0 , 16'h0000); dbg_i2c_rd(BRK1_ADDR0); if (dbg_i2c_buf !== 16'h0000) tb_error("====== BRK1_ADDR0 uncorrect ====="); dbg_i2c_wr(BRK1_ADDR1 , 16'hffff); dbg_i2c_rd(BRK1_ADDR1); if (dbg_i2c_buf !== 16'hffff) tb_error("====== BRK1_ADDR1 uncorrect ====="); dbg_i2c_wr(BRK1_ADDR1 , 16'h0000); dbg_i2c_rd(BRK1_ADDR1); if (dbg_i2c_buf !== 16'h0000) tb_error("====== BRK1_ADDR1 uncorrect ====="); `endif // TEST HARDWARE BREAKPOINT 2 REGISTERS //-------------------------------------------------------- `ifdef DBG_HWBRK_2 step = 5; dbg_i2c_wr(BRK2_CTL , 16'hffff); dbg_i2c_rd(BRK2_CTL); if (`HWBRK_RANGE) begin if (dbg_i2c_buf !== 16'h001F) tb_error("====== BRK2_CTL uncorrect ====="); end else begin if (dbg_i2c_buf !== 16'h000F) tb_error("====== BRK2_CTL uncorrect ====="); end dbg_i2c_wr(BRK2_CTL , 16'h0000); dbg_i2c_rd(BRK2_CTL); if (dbg_i2c_buf !== 16'h0000) tb_error("====== BRK2_CTL uncorrect ====="); dbg_i2c_wr(BRK2_STAT , 16'hffff); dbg_i2c_rd(BRK2_STAT); if (dbg_i2c_buf !== 16'h0000) tb_error("====== BRK2_STAT uncorrect ====="); dbg_i2c_wr(BRK2_STAT , 16'h0000); dbg_i2c_rd(BRK2_STAT); if (dbg_i2c_buf !== 16'h0000) tb_error("====== BRK2_STAT uncorrect ====="); dbg_i2c_wr(BRK2_ADDR0 , 16'hffff); dbg_i2c_rd(BRK2_ADDR0); if (dbg_i2c_buf !== 16'hffff) tb_error("====== BRK2_ADDR0 uncorrect ====="); dbg_i2c_wr(BRK2_ADDR0 , 16'h0000); dbg_i2c_rd(BRK2_ADDR0); if (dbg_i2c_buf !== 16'h0000) tb_error("====== BRK2_ADDR0 uncorrect ====="); dbg_i2c_wr(BRK2_ADDR1 , 16'hffff); dbg_i2c_rd(BRK2_ADDR1); if (dbg_i2c_buf !== 16'hffff) tb_error("====== BRK2_ADDR1 uncorrect ====="); dbg_i2c_wr(BRK2_ADDR1 , 16'h0000); dbg_i2c_rd(BRK2_ADDR1); if (dbg_i2c_buf !== 16'h0000) tb_error("====== BRK2_ADDR1 uncorrect ====="); `endif // TEST HARDWARE BREAKPOINT 3 REGISTERS //-------------------------------------------------------- `ifdef DBG_HWBRK_3 step = 6; dbg_i2c_wr(BRK3_CTL , 16'hffff); dbg_i2c_rd(BRK3_CTL); if (`HWBRK_RANGE) begin if (dbg_i2c_buf !== 16'h001F) tb_error("====== BRK3_CTL uncorrect ====="); end else begin if (dbg_i2c_buf !== 16'h000F) tb_error("====== BRK3_CTL uncorrect ====="); end dbg_i2c_wr(BRK3_CTL , 16'h0000); dbg_i2c_rd(BRK3_CTL); if (dbg_i2c_buf !== 16'h0000) tb_error("====== BRK3_CTL uncorrect ====="); dbg_i2c_wr(BRK3_STAT , 16'hffff); dbg_i2c_rd(BRK3_STAT); if (dbg_i2c_buf !== 16'h0000) tb_error("====== BRK3_STAT uncorrect ====="); dbg_i2c_wr(BRK3_STAT , 16'h0000); dbg_i2c_rd(BRK3_STAT); if (dbg_i2c_buf !== 16'h0000) tb_error("====== BRK3_STAT uncorrect ====="); dbg_i2c_wr(BRK3_ADDR0 , 16'hffff); dbg_i2c_rd(BRK3_ADDR0); if (dbg_i2c_buf !== 16'hffff) tb_error("====== BRK3_ADDR0 uncorrect ====="); dbg_i2c_wr(BRK3_ADDR0 , 16'h0000); dbg_i2c_rd(BRK3_ADDR0); if (dbg_i2c_buf !== 16'h0000) tb_error("====== BRK3_ADDR0 uncorrect ====="); dbg_i2c_wr(BRK3_ADDR1 , 16'hffff); dbg_i2c_rd(BRK3_ADDR1); if (dbg_i2c_buf !== 16'hffff) tb_error("====== BRK3_ADDR1 uncorrect ====="); dbg_i2c_wr(BRK3_ADDR1 , 16'h0000); dbg_i2c_rd(BRK3_ADDR1); if (dbg_i2c_buf !== 16'h0000) tb_error("====== BRK3_ADDR1 uncorrect ====="); `endif // TEST 16B WRITE BURSTS (MEMORY) //-------------------------------------------------------- step = 7; dbg_i2c_wr(MEM_ADDR, (`PER_SIZE+16'h0000)); // select @0x0200 dbg_i2c_wr(MEM_CNT, 16'h0004); // 5 consecutive access dbg_i2c_wr(MEM_CTL, 16'h0003); // Start burst to 16 bit memory write dbg_i2c_burst_start(0); dbg_i2c_tx16(16'h1234, 0); // write 1st data repeat(12) @(posedge mclk); if (mem200 !== 16'h1234) tb_error("====== 16B WRITE BURSTS (MEMORY) WR ERROR: 1st DATA ====="); dbg_i2c_tx16(16'h5678, 0); // write 2nd data repeat(12) @(posedge mclk); if (mem202 !== 16'h5678) tb_error("====== 16B WRITE BURSTS (MEMORY) WR ERROR: 2nd DATA ====="); dbg_i2c_tx16(16'h9abc, 0); // write 3rd data repeat(12) @(posedge mclk); if (mem204 !== 16'h9abc) tb_error("====== 16B WRITE BURSTS (MEMORY) WR ERROR: 3rd DATA ====="); dbg_i2c_tx16(16'hdef0, 0); // write 4th data repeat(12) @(posedge mclk); if (mem206 !== 16'hdef0) tb_error("====== 16B WRITE BURSTS (MEMORY) WR ERROR: 4th DATA ====="); dbg_i2c_tx16(16'h0fed, 1); // write 5th data repeat(12) @(posedge mclk); if (mem208 !== 16'h0fed) tb_error("====== 16B WRITE BURSTS (MEMORY) WR ERROR: 5th DATA ====="); step = 8; dbg_i2c_wr(MEM_ADDR, (`PER_SIZE+16'h0000)); // select @0x0200 dbg_i2c_wr(MEM_CNT, 16'h0004); // 5 consecutive access dbg_i2c_wr(MEM_CTL, 16'h0001); // Start burst to 16 bit registers read dbg_i2c_burst_start(1); dbg_i2c_rx16(0); // read 1st data if (dbg_i2c_buf !== 16'h1234) tb_error("====== 16B WRITE BURSTS (MEMORY) RD ERROR: 1st DATA ====="); dbg_i2c_rx16(0); // read 2nd data if (dbg_i2c_buf !== 16'h5678) tb_error("====== 16B WRITE BURSTS (MEMORY) RD ERROR: 2nd DATA ====="); dbg_i2c_rx16(0); // read 3rd data if (dbg_i2c_buf !== 16'h9abc) tb_error("====== 16B WRITE BURSTS (MEMORY) RD ERROR: 3rd DATA ====="); dbg_i2c_rx16(0); // read 4th data if (dbg_i2c_buf !== 16'hdef0) tb_error("====== 16B WRITE BURSTS (MEMORY) RD ERROR: 4th DATA ====="); dbg_i2c_rx16(1); // read 5th data if (dbg_i2c_buf !== 16'h0fed) tb_error("====== 16B WRITE BURSTS (MEMORY) RD ERROR: 5th DATA ====="); // TEST 16B WRITE BURSTS (CPU REGISTERS) //-------------------------------------------------------- step = 9; dbg_i2c_wr(MEM_ADDR, 16'h0005); // select R5 dbg_i2c_wr(MEM_CNT, 16'h0004); // 5 consecutive access dbg_i2c_wr(MEM_CTL, 16'h0007); // Start burst to 16 bit cpu register write dbg_i2c_burst_start(0); dbg_i2c_tx16(16'hcba9, 0); // write 1st data repeat(12) @(posedge mclk); if (r5 !== 16'hcba9) tb_error("====== 16B WRITE BURSTS (CPU REGISTERS) WR ERROR: 1st DATA ====="); dbg_i2c_tx16(16'h8765, 0); // write 2nd data repeat(12) @(posedge mclk); if (r6 !== 16'h8765) tb_error("====== 16B WRITE BURSTS (CPU REGISTERS) WR ERROR: 2nd DATA ====="); dbg_i2c_tx16(16'h4321, 0); // write 3rd data repeat(12) @(posedge mclk); if (r7 !== 16'h4321) tb_error("====== 16B WRITE BURSTS (CPU REGISTERS) WR ERROR: 3rd DATA ====="); dbg_i2c_tx16(16'h0123, 0); // write 4th data repeat(12) @(posedge mclk); if (r8 !== 16'h0123) tb_error("====== 16B WRITE BURSTS (CPU REGISTERS) WR ERROR: 4th DATA ====="); dbg_i2c_tx16(16'h4567, 1); // write 5th data repeat(12) @(posedge mclk); if (r9 !== 16'h4567) tb_error("====== 16B WRITE BURSTS (CPU REGISTERS) WR ERROR: 5th DATA ====="); step = 10; dbg_i2c_wr(MEM_ADDR, 16'h0005); // select @0x0200 dbg_i2c_wr(MEM_CNT, 16'h0004); // 5 consecutive access dbg_i2c_wr(MEM_CTL, 16'h0005); // Start burst to 16 bit cpu registers read dbg_i2c_burst_start(1); dbg_i2c_rx16(0); // read 1st data if (dbg_i2c_buf !== 16'hcba9) tb_error("====== 16B WRITE BURSTS (CPU REGISTERS) RD ERROR: 1st DATA ====="); dbg_i2c_rx16(0); // read 2nd data if (dbg_i2c_buf !== 16'h8765) tb_error("====== 16B WRITE BURSTS (CPU REGISTERS) RD ERROR: 2nd DATA ====="); dbg_i2c_rx16(0); // read 3rd data if (dbg_i2c_buf !== 16'h4321) tb_error("====== 16B WRITE BURSTS (CPU REGISTERS) RD ERROR: 3rd DATA ====="); dbg_i2c_rx16(0); // read 4th data if (dbg_i2c_buf !== 16'h0123) tb_error("====== 16B WRITE BURSTS (CPU REGISTERS) RD ERROR: 4th DATA ====="); dbg_i2c_rx16(1); // read 5th data if (dbg_i2c_buf !== 16'h4567) tb_error("====== 16B WRITE BURSTS (CPU REGISTERS) RD ERROR: 5th DATA ====="); // TEST 8B WRITE BURSTS (MEMORY) //-------------------------------------------------------- step = 11; dbg_i2c_wr(MEM_ADDR, (`PER_SIZE+16'h0000)); // select @0x0210 dbg_i2c_wr(MEM_CNT, 16'h0004); // 5 consecutive access dbg_i2c_wr(MEM_CTL, 16'h000b); // Start burst to 8 bit memory write dbg_i2c_burst_start(0); dbg_i2c_tx8(8'h91, 0); // write 1st data repeat(12) @(posedge mclk); if (mem200 !== 16'h1291) tb_error("====== 8B WRITE BURSTS (MEMORY) WR ERROR: 1st DATA ====="); dbg_i2c_tx8(8'h82, 0); // write 2nd data repeat(12) @(posedge mclk); if (mem200 !== 16'h8291) tb_error("====== 8B WRITE BURSTS (MEMORY) WR ERROR: 2nd DATA ====="); dbg_i2c_tx8(8'h73, 0); // write 3rd data repeat(12) @(posedge mclk); if (mem202 !== 16'h5673) tb_error("====== 8B WRITE BURSTS (MEMORY) WR ERROR: 3rd DATA ====="); dbg_i2c_tx8(8'h64, 0); // write 4th data repeat(12) @(posedge mclk); if (mem202 !== 16'h6473) tb_error("====== 8B WRITE BURSTS (MEMORY) WR ERROR: 4th DATA ====="); dbg_i2c_tx8(8'h55, 1); // write 5th data repeat(12) @(posedge mclk); if (mem204 !== 16'h9a55) tb_error("====== 8B WRITE BURSTS (MEMORY) WR ERROR: 5th DATA ====="); step = 12; dbg_i2c_wr(MEM_ADDR, (`PER_SIZE+16'h0000)); // select @0x0200 dbg_i2c_wr(MEM_CNT, 16'h0004); // 5 consecutive access dbg_i2c_wr(MEM_CTL, 16'h0009); // Start burst to 8 bit registers read dbg_i2c_burst_start(1); dbg_i2c_rx8(0); // read 1st data if (dbg_i2c_buf !== 16'h0091) tb_error("====== 8B WRITE BURSTS (MEMORY) RD ERROR: 1st DATA ====="); dbg_i2c_rx8(0); // read 2nd data if (dbg_i2c_buf !== 16'h0082) tb_error("====== 8B WRITE BURSTS (MEMORY) RD ERROR: 2nd DATA ====="); dbg_i2c_rx8(1); // read 3rd data if (dbg_i2c_buf !== 16'h0073) tb_error("====== 8B WRITE BURSTS (MEMORY) RD ERROR: 3rd DATA ====="); dbg_i2c_burst_start(1); dbg_i2c_rx8(0); // read 4th data if (dbg_i2c_buf !== 16'h0064) tb_error("====== 8B WRITE BURSTS (MEMORY) RD ERROR: 4th DATA ====="); dbg_i2c_rx8(1); // read 5th data if (dbg_i2c_buf !== 16'h0055) tb_error("====== 8B WRITE BURSTS (MEMORY) RD ERROR: 5th DATA ====="); dbg_i2c_wr(CPU_CTL , 16'h0002); repeat(10) @(posedge mclk); stimulus_done = 1; `else tb_skip_finish("| (serial debug interface I2C not included) |"); `endif `else tb_skip_finish("| (serial debug interface I2C not included) |"); `endif end