49 lines
2 KiB
C
49 lines
2 KiB
C
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// Copyright 2015-2017 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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#include "i2c_apll.h"
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#include "i2c_bbpll.h"
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/* Analog function control register */
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#define ANA_CONFIG_REG 0x6000E044
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#define ANA_CONFIG_S (8)
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#define ANA_CONFIG_M (0x3FF)
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/* Clear to enable APLL */
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#define I2C_APLL_M (BIT(14))
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/* Clear to enable BBPLL */
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#define I2C_BBPLL_M (BIT(17))
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/* ROM functions which read/write internal control bus */
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uint8_t rom_i2c_readReg(uint8_t block, uint8_t host_id, uint8_t reg_add);
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uint8_t rom_i2c_readReg_Mask(uint8_t block, uint8_t host_id, uint8_t reg_add, uint8_t msb, uint8_t lsb);
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void rom_i2c_writeReg(uint8_t block, uint8_t host_id, uint8_t reg_add, uint8_t data);
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void rom_i2c_writeReg_Mask(uint8_t block, uint8_t host_id, uint8_t reg_add, uint8_t msb, uint8_t lsb, uint8_t data);
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/* Convenience macros for the above functions, these use register definitions
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* from i2c_apll.h/i2c_bbpll.h header files.
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*/
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#define I2C_WRITEREG_MASK_RTC(block, reg_add, indata) \
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rom_i2c_writeReg_Mask(block, block##_HOSTID, reg_add, reg_add##_MSB, reg_add##_LSB, indata)
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#define I2C_READREG_MASK_RTC(block, reg_add) \
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rom_i2c_readReg_Mask(block, block##_HOSTID, reg_add, reg_add##_MSB, reg_add##_LSB)
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#define I2C_WRITEREG_RTC(block, reg_add, indata) \
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rom_i2c_writeReg(block, block##_HOSTID, reg_add, indata)
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#define I2C_READREG_RTC(block, reg_add) \
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rom_i2c_readReg(block, block##_HOSTID, reg_add)
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