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Add irqs.h.
* Defines IRQ priorities and functions.
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src/omv/irqs.h
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47
src/omv/irqs.h
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/*
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* This file is part of the OpenMV project.
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* Copyright (c) 2013/2014 Ibrahim Abdelkader <i.abdalkader@gmail.com>
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* This work is licensed under the MIT license, see the file LICENSE for details.
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*
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* Image library.
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*
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*/
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#ifndef __IRQS_H__
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#define __IRQS_H__
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#include <core_cmFunc.h>
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#define IRQ_SYSTICK_PRE_PRI (0)
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#define IRQ_SYSTICK_SUB_PRI (0)
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#define IRQ_FLASH_PRE_PRI (1)
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#define IRQ_FLASH_SUB_PRI (0)
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#define IRQ_DCMI_PRE_PRI (2)
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#define IRQ_DCMI_SUB_PRI (0)
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#define IRQ_DMA21_PRE_PRI (2)
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#define IRQ_DMA21_SUB_PRI (0)
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#define IRQ_SDIO_PRE_PRI (3)
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#define IRQ_SDIO_SUB_PRI (0)
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#define IRQ_DMA23_PRE_PRI (4)
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#define IRQ_DMA23_SUB_PRI (0)
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#define IRQ_OTGFS_PRE_PRI (5)
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#define IRQ_OTGFS_SUB_PRI (0)
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#define IRQ_TIM3_PRE_PRI (6)
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#define IRQ_TIM3_SUB_PRI (0)
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#define IRQ_PENDSV_PRE_PRI (15)
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#define IRQ_PENDSV_SUB_PRI (15)
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// Disable IRQs with a priority higher than or equal to "priority"
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static inline void irq_set_base_priority(uint32_t priority) {
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__set_BASEPRI(priority << (8 - __NVIC_PRIO_BITS));
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__DSB(); __ISB(); // Data/Instruction barriers
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}
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#endif // __IRQS_H__
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