38 lines
1.7 KiB
C
38 lines
1.7 KiB
C
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/****************************************************************************
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* arch/arm/include/rp2040/chip.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __ARCH_ARM_INCLUDE_RP2040_CHIP_H
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#define __ARCH_ARM_INCLUDE_RP2040_CHIP_H
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/* NVIC priority levels *****************************************************/
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/* Each priority field holds a priority value, 0-3. The lower the value,
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* the greater the priority of the corresponding interrupt. The processor
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* implements only bits[7:6] of each field, bits[5:0] read as zero and ignore
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* writes.
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*/
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#define NVIC_SYSH_PRIORITY_MIN 0xc0 /* All bits[7:6] set is minimum priority */
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#define NVIC_SYSH_PRIORITY_DEFAULT 0x80 /* Midpoint is the default */
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#define NVIC_SYSH_PRIORITY_MAX 0x00 /* Zero is maximum priority */
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#define NVIC_SYSH_PRIORITY_STEP 0x40 /* Five bits of interrupt priority used */
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#endif /* __ARCH_ARM_INCLUDE_RP2040_CHIP_H */
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