// Copyright 2015-2017 Espressif Systems (Shanghai) PTE LTD // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #pragma once /** * @file i2c_ulp.h * @brief Register definitions for analog to calibrate o_code for getting a more precise voltage. * * This file lists register fields of ULP, located on an internal configuration * bus. These definitions are used via macros defined in i2c_rtc_clk.h, by * rtc_init function in rtc_init.c. */ #define I2C_ULP 0x61 #define I2C_ULP_HOSTID 1 #define I2C_ULP_IR_RESETB 0 #define I2C_ULP_IR_RESETB_MSB 0 #define I2C_ULP_IR_RESETB_LSB 0 #define I2C_ULP_O_DONE_FLAG 3 #define I2C_ULP_O_DONE_FLAG_MSB 0 #define I2C_ULP_O_DONE_FLAG_LSB 0 #define I2C_ULP_BG_O_DONE_FLAG 3 #define I2C_ULP_BG_O_DONE_FLAG_MSB 3 #define I2C_ULP_BG_O_DONE_FLAG_LSB 3