esp-idf/components/hal/esp32/include/hal/regi2c_ctrl_ll.h
2022-06-23 15:36:44 +08:00

66 lines
1.8 KiB
C

/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include <stdint.h>
#include "soc/soc.h"
#include "soc/regi2c_defs.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Reset (Disable) the I2C internal bus for all regi2c registers
*/
static inline void regi2c_ctrl_ll_i2c_reset(void)
{
SET_PERI_REG_BITS(ANA_CONFIG_REG, ANA_CONFIG_M, ANA_CONFIG_M, ANA_CONFIG_S);
}
/**
* @brief Enable the I2C internal bus to do I2C read/write operation to the BBPLL configuration register
*/
static inline void regi2c_ctrl_ll_i2c_bbpll_enable(void)
{
CLEAR_PERI_REG_MASK(ANA_CONFIG_REG, I2C_BBPLL_M);
}
/**
* @brief Enable the I2C internal bus to do I2C read/write operation to the APLL configuration register
*/
static inline void regi2c_ctrl_ll_i2c_apll_enable(void)
{
CLEAR_PERI_REG_MASK(ANA_CONFIG_REG, I2C_APLL_M);
}
/**
* @brief Enable the I2C internal bus to do I2C read/write operation to the SAR_ADC register
*/
static inline void regi2c_ctrl_ll_i2c_saradc_enable(void)
{
// Not used on ESP32, but leave a blank function here.
// I2C_SARADC is only used for enabling some analog features. However,
// ESP32 does not use it to support those features.
// In order to make it convenient for compiling other targets, left a blank function here.
}
/**
* @brief Disable the I2C internal bus to do I2C read/write operation to the SAR_ADC register
*/
static inline void regi2c_ctrl_ll_i2c_saradc_disable(void)
{
// Not used on ESP32, but leave a blank function here.
// I2C_SARADC is only used for enabling some analog features. However,
// ESP32 does not use it to support those features.
// In order to make it convenient for compiling other targets, left a blank function here.
}
#ifdef __cplusplus
}
#endif