ESP-IDF
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Outline
#include "hal/i2c_hal.h"
i2c_hal_master_handle_tx_event(i2c_hal_context_t *, i2c_intr_event_t *)
i2c_hal_master_handle_rx_event(i2c_hal_context_t *, i2c_intr_event_t *)
Files
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SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/hal/i2c_hal_iram.c
 
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/* * SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 *//* ... */ #include "hal/i2c_hal.h" //////////////////////////////////////////Deprecated Functions////////////////////////////////////////////////////////// /////////////////////////////The following functions are only used by the legacy driver///////////////////////////////// /////////////////////////////They might be removed in the next major release (ESP-IDF 6.0)////////////////////////////// //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// void i2c_hal_master_handle_tx_event(i2c_hal_context_t *hal, i2c_intr_event_t *event) { uint32_t intr_status = 0; i2c_ll_get_intr_mask(hal->dev, &intr_status); if (intr_status != 0) { // If intr status is 0, no need to handle it. i2c_ll_master_get_event(hal->dev, event); if ((*event < I2C_INTR_EVENT_END_DET) || (*event == I2C_INTR_EVENT_TRANS_DONE)) { i2c_ll_master_disable_tx_it(hal->dev); i2c_ll_clear_intr_mask(hal->dev, intr_status); }{...} else if (*event == I2C_INTR_EVENT_END_DET) { i2c_ll_clear_intr_mask(hal->dev, intr_status); }{...} }{...} }{ ... } void i2c_hal_master_handle_rx_event(i2c_hal_context_t *hal, i2c_intr_event_t *event) { uint32_t intr_status = 0; i2c_ll_get_intr_mask(hal->dev, &intr_status); if (intr_status != 0) { i2c_ll_master_get_event(hal->dev, event); if ((*event < I2C_INTR_EVENT_END_DET) || (*event == I2C_INTR_EVENT_TRANS_DONE)) { i2c_ll_master_disable_rx_it(hal->dev); i2c_ll_clear_intr_mask(hal->dev, intr_status); }{...} else if (*event == I2C_INTR_EVENT_END_DET) { i2c_ll_clear_intr_mask(hal->dev, intr_status); }{...} }{...} }{ ... }
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