38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
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// Copyright 2019 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// 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,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if (CONFIG_ESP32_REV_MIN >= 2)
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#define CAN_BRP_DIV_SUPPORTED 1
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#define CAN_BRP_DIV_THRESH 128
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//Any even number from 2 to 128, or multiples of 4 from 132 to 256
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#define CAN_BRP_IS_VALID(brp) (((brp) >= 2 && (brp) <= 128 && ((brp) & 0x1) == 0) || ((brp) >= 132 && (brp) <= 256 && ((brp) & 0x3) == 0))
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#else
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//Any even number from 2 to 128
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#define CAN_BRP_IS_VALID(brp) ((brp) >= 2 && (brp) <= 128 && ((brp) & 0x1) == 0)
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#endif
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//Todo: Add FIFO overrun errata workaround
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//Todo: Add ECC decode capabilities
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//Todo: Add ALC decode capability
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#ifdef __cplusplus
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}
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#endif
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