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43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
/*
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* SPDX-FileCopyrightText: 2020-2021 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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#include "regi2c_ctrl.h"
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#include <stdint.h>
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#include <freertos/FreeRTOS.h>
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#include <freertos/semphr.h>
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static portMUX_TYPE mux = portMUX_INITIALIZER_UNLOCKED;
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uint8_t IRAM_ATTR regi2c_ctrl_read_reg(uint8_t block, uint8_t host_id, uint8_t reg_add)
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{
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portENTER_CRITICAL_ISR(&mux);
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uint8_t value = i2c_read_reg_raw(block, host_id, reg_add);
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portEXIT_CRITICAL_ISR(&mux);
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return value;
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}
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uint8_t IRAM_ATTR 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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{
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portENTER_CRITICAL_ISR(&mux);
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uint8_t value = i2c_read_reg_mask_raw(block, host_id, reg_add, msb, lsb);
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portEXIT_CRITICAL_ISR(&mux);
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return value;
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}
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void IRAM_ATTR regi2c_ctrl_write_reg(uint8_t block, uint8_t host_id, uint8_t reg_add, uint8_t data)
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{
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portENTER_CRITICAL_ISR(&mux);
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i2c_write_reg_raw(block, host_id, reg_add, data);
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portEXIT_CRITICAL_ISR(&mux);
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}
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void IRAM_ATTR 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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{
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portENTER_CRITICAL_ISR(&mux);
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i2c_write_reg_mask_raw(block, host_id, reg_add, msb, lsb, data);
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portEXIT_CRITICAL_ISR(&mux);
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}
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