1 // Copyright 2015-2020 Espressif Systems (Shanghai) PTE LTD
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #pragma once
16 
17 /**
18  * @file regi2c_bias.h
19  * @brief Register definitions for bias
20  *
21  * This file lists register fields of BIAS. These definitions are used via macros defined in regi2c_ctrl.h, by
22  * bootloader_hardware_init function in bootloader_esp32c3.c.
23  */
24 
25 #define I2C_BIAS            0X6A
26 #define I2C_BIAS_HOSTID     0
27 
28 #define I2C_BIAS_DREG_1P1_PVT 1
29 #define I2C_BIAS_DREG_1P1_PVT_MSB 3
30 #define I2C_BIAS_DREG_1P1_PVT_LSB 0
31