kopia lustrzana https://github.com/espressif/esp-idf
83 wiersze
2.7 KiB
C
83 wiersze
2.7 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <stdint.h>
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#include "sdkconfig.h"
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#include "esp_rom_regi2c.h"
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#include "soc/regi2c_defs.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define regi2c_read_reg_raw esp_rom_regi2c_read
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#define regi2c_read_reg_mask_raw esp_rom_regi2c_read_mask
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#define regi2c_write_reg_raw esp_rom_regi2c_write
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#define regi2c_write_reg_mask_raw esp_rom_regi2c_write_mask
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#ifdef BOOTLOADER_BUILD
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/**
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* If compiling for the bootloader, ROM functions can be called directly,
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* without the need of a lock.
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*/
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#define regi2c_ctrl_read_reg regi2c_read_reg_raw
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#define regi2c_ctrl_read_reg_mask regi2c_read_reg_mask_raw
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#define regi2c_ctrl_write_reg regi2c_write_reg_raw
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#define regi2c_ctrl_write_reg_mask regi2c_write_reg_mask_raw
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#else
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/* Access internal registers, don't use in application */
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uint8_t regi2c_ctrl_read_reg(uint8_t block, uint8_t host_id, uint8_t reg_add);
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uint8_t regi2c_ctrl_read_reg_mask(uint8_t block, uint8_t host_id, uint8_t reg_add, uint8_t msb, uint8_t lsb);
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void regi2c_ctrl_write_reg(uint8_t block, uint8_t host_id, uint8_t reg_add, uint8_t data);
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void regi2c_ctrl_write_reg_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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/* enter the critical section that protects internal registers. Don't use it in SDK. Use the functions above. */
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void regi2c_enter_critical(void);
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void regi2c_exit_critical(void);
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#endif // BOOTLOADER_BUILD
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/* Convenience macros for the above functions, these use register definitions
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* from regi2c_xxx.h header files.
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*/
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#define REGI2C_WRITE_MASK(block, reg_add, indata) \
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regi2c_ctrl_write_reg_mask(block, block##_HOSTID, reg_add, reg_add##_MSB, reg_add##_LSB, indata)
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#define REGI2C_READ_MASK(block, reg_add) \
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regi2c_ctrl_read_reg_mask(block, block##_HOSTID, reg_add, reg_add##_MSB, reg_add##_LSB)
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#define REGI2C_WRITE(block, reg_add, indata) \
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regi2c_ctrl_write_reg(block, block##_HOSTID, reg_add, indata)
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#define REGI2C_READ(block, reg_add) \
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regi2c_ctrl_read_reg(block, block##_HOSTID, reg_add)
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/**
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* Restore regi2c analog calibration related configuration registers.
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* This is a workaround, and is fixed on later chips
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*/
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#if REGI2C_ANA_CALI_PD_WORKAROUND
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void regi2c_analog_cali_reg_read(void);
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void regi2c_analog_cali_reg_write(void);
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#endif //#if ADC_CALI_PD_WORKAROUND
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/* Enable/Disable regi2c_saradc with calling these two functions.
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With reference count protection inside.
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Internal use only.
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*/
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void regi2c_saradc_enable(void);
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void regi2c_saradc_disable(void);
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#ifdef __cplusplus
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}
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#endif
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