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24 lines
607 B
24 lines
607 B
#pragma once
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#include "common.h"
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// implementation stolen from libopencm3, originally under LGPL
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void nvic_enable_irq(uint8_t irqn);
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void nvic_disable_irq(uint8_t irqn);
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uint8_t nvic_get_pending_irq(uint8_t irqn);
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void nvic_set_pending_irq(uint8_t irqn);
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void nvic_clear_pending_irq(uint8_t irqn);
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uint8_t nvic_get_irq_enabled(uint8_t irqn);
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void nvic_set_priority(uint8_t irqn, uint8_t priority);
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void nvic_set_priority_arm(int8_t irqn, uint8_t priority); // negative numbers (ie SYSTICK)
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uint8_t nvic_get_active_irq(uint8_t irqn);
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void nvic_generate_software_interrupt(uint16_t irqn); // 0-239
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