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https://opencores.org/ocsvn/wb4pb/wb4pb/trunk
[/] [wb4pb/] [trunk/] [rtl/] [picoblaze_wb_gpio.v] - Diff between revs 2 and 10
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Rev 10 |
| Line 87... |
Line 87... |
parameter IS_INPUT = 1'b0;
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parameter IS_INPUT = 1'b0;
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parameter IS_OUTPUT = ! IS_INPUT;
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parameter IS_OUTPUT = ! IS_INPUT;
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integer i;
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integer i;
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// reset synchronisation
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// reset synchronisation
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always@(clk) begin
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always@(clk)
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rst <= p_rst_i;
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rst <= p_rst_i;
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end
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assign clk = p_clk_i;
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assign clk = p_clk_i;
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// module instances
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// module instances
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///////////////////
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///////////////////
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| Line 153... |
Line 152... |
.gpio_oe_o(gpio_oe)
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.gpio_oe_o(gpio_oe)
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);
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);
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// i/o buffer generation
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// i/o buffer generation
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assign gpio_in = p_gpio_io;
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assign gpio_in = p_gpio_io;
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always@(gpio_oe or gpio_out) begin
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always@(gpio_oe or gpio_out)
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for (i = 0; i <= 7; i = i + 1) begin
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for (i = 0; i <= 7; i = i + 1)
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if (gpio_oe[i] == IS_OUTPUT)
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if (gpio_oe[i] == IS_OUTPUT)
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gpio[i] = gpio_out[i];
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gpio[i] = gpio_out[i];
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else
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else
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gpio[i] = 1'bZ;
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gpio[i] = 1'bZ;
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end
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end
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assign p_gpio_io = gpio;
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assign p_gpio_io = gpio;
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endmodule
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endmodule
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No newline at end of file
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No newline at end of file
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