| Line 8... |
Line 8... |
-- # and XIRQ_TRIGGER_POLARITY generics. These allow to configure channel-independent low-level, #
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-- # and XIRQ_TRIGGER_POLARITY generics. These allow to configure channel-independent low-level, #
|
-- # high-level, falling-edge and rising-edge triggers. #
|
-- # high-level, falling-edge and rising-edge triggers. #
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-- # ********************************************************************************************* #
|
-- # ********************************************************************************************* #
|
-- # BSD 3-Clause License #
|
-- # BSD 3-Clause License #
|
-- # #
|
-- # #
|
-- # Copyright (c) 2021, Stephan Nolting. All rights reserved. #
|
-- # Copyright (c) 2022, Stephan Nolting. All rights reserved. #
|
-- # #
|
-- # #
|
-- # Redistribution and use in source and binary forms, with or without modification, are #
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-- # Redistribution and use in source and binary forms, with or without modification, are #
|
-- # permitted provided that the following conditions are met: #
|
-- # permitted provided that the following conditions are met: #
|
-- # #
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-- # #
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-- # 1. Redistributions of source code must retain the above copyright notice, this list of #
|
-- # 1. Redistributions of source code must retain the above copyright notice, this list of #
|
| Line 184... |
Line 184... |
irq_buf <= (irq_buf or (irq_trig and irq_enable)) and clr_pending;
|
irq_buf <= (irq_buf or (irq_trig and irq_enable)) and clr_pending;
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end if;
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end if;
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end process irq_buffer;
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end process irq_buffer;
|
|
|
-- anyone firing? --
|
-- anyone firing? --
|
irq_fire <= or_reduce_f(irq_buf);
|
irq_fire <= '1' when (or_reduce_f(irq_buf) = '1') else '0';
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|
|
|
|
-- IRQ Priority Encoder -----------------------------------------------------
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-- IRQ Priority Encoder -----------------------------------------------------
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-- -----------------------------------------------------------------------------
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-- -----------------------------------------------------------------------------
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irq_priority: process(irq_buf)
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irq_priority: process(irq_buf)
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