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47 lines
1.8 KiB
C
47 lines
1.8 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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#include "hal/i2c_hal.h"
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//////////////////////////////////////////Deprecated Functions//////////////////////////////////////////////////////////
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/////////////////////////////The following functions are only used by the legacy driver/////////////////////////////////
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/////////////////////////////They might be removed in the next major release (ESP-IDF 6.0)//////////////////////////////
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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void i2c_hal_master_handle_tx_event(i2c_hal_context_t *hal, i2c_intr_event_t *event)
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{
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uint32_t intr_status = 0;
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i2c_ll_get_intr_mask(hal->dev, &intr_status);
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if (intr_status != 0) {
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// If intr status is 0, no need to handle it.
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i2c_ll_master_get_event(hal->dev, event);
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if ((*event < I2C_INTR_EVENT_END_DET) ||
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(*event == I2C_INTR_EVENT_TRANS_DONE)) {
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i2c_ll_master_disable_tx_it(hal->dev);
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i2c_ll_clear_intr_mask(hal->dev, intr_status);
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} else if (*event == I2C_INTR_EVENT_END_DET) {
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i2c_ll_clear_intr_mask(hal->dev, intr_status);
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}
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}
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}
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void i2c_hal_master_handle_rx_event(i2c_hal_context_t *hal, i2c_intr_event_t *event)
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{
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uint32_t intr_status = 0;
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i2c_ll_get_intr_mask(hal->dev, &intr_status);
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if (intr_status != 0) {
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i2c_ll_master_get_event(hal->dev, event);
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if ((*event < I2C_INTR_EVENT_END_DET) ||
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(*event == I2C_INTR_EVENT_TRANS_DONE)) {
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i2c_ll_master_disable_rx_it(hal->dev);
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i2c_ll_clear_intr_mask(hal->dev, intr_status);
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} else if (*event == I2C_INTR_EVENT_END_DET) {
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i2c_ll_clear_intr_mask(hal->dev, intr_status);
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}
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}
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}
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