70752baba4
1. add brownout detector HAL for esp32 and esp32s2 2. enable brownout reset for esp32 rev. 1 and above 3. add approximate brownout detector levels for esp32s2
31 lines
1 KiB
C
31 lines
1 KiB
C
// Copyright 2020 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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/**
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* @file i2c_brownout.h
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* @brief Register definitions for brownout detector
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*
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* This file lists register fields of the brownout detector, located on an internal configuration
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* bus. These definitions are used via macros defined in i2c_rtc_clk.h.
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*/
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#define I2C_BOD 0x61
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#define I2C_BOD_HOSTID 1
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#define I2C_BOD_THRESHOLD 0x5
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#define I2C_BOD_THRESHOLD_MSB 2
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#define I2C_BOD_THRESHOLD_LSB 0
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