1 /*
2 * SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include "hal/i2c_hal.h"
8
9
10 //////////////////////////////////////////Deprecated Functions//////////////////////////////////////////////////////////
11 /////////////////////////////The following functions are only used by the legacy driver/////////////////////////////////
12 /////////////////////////////They might be removed in the next major release (ESP-IDF 6.0)//////////////////////////////
13 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
14
i2c_hal_master_handle_tx_event(i2c_hal_context_t * hal,i2c_intr_event_t * event)15 void i2c_hal_master_handle_tx_event(i2c_hal_context_t *hal, i2c_intr_event_t *event)
16 {
17 uint32_t intr_status = 0;
18 i2c_ll_get_intr_mask(hal->dev, &intr_status);
19 if (intr_status != 0) {
20 // If intr status is 0, no need to handle it.
21 i2c_ll_master_get_event(hal->dev, event);
22 if ((*event < I2C_INTR_EVENT_END_DET) ||
23 (*event == I2C_INTR_EVENT_TRANS_DONE)) {
24 i2c_ll_master_disable_tx_it(hal->dev);
25 i2c_ll_clear_intr_mask(hal->dev, intr_status);
26 } else if (*event == I2C_INTR_EVENT_END_DET) {
27 i2c_ll_clear_intr_mask(hal->dev, intr_status);
28 }
29 }
30 }
31
i2c_hal_master_handle_rx_event(i2c_hal_context_t * hal,i2c_intr_event_t * event)32 void i2c_hal_master_handle_rx_event(i2c_hal_context_t *hal, i2c_intr_event_t *event)
33 {
34 uint32_t intr_status = 0;
35 i2c_ll_get_intr_mask(hal->dev, &intr_status);
36 if (intr_status != 0) {
37 i2c_ll_master_get_event(hal->dev, event);
38 if ((*event < I2C_INTR_EVENT_END_DET) ||
39 (*event == I2C_INTR_EVENT_TRANS_DONE)) {
40 i2c_ll_master_disable_rx_it(hal->dev);
41 i2c_ll_clear_intr_mask(hal->dev, intr_status);
42 } else if (*event == I2C_INTR_EVENT_END_DET) {
43 i2c_ll_clear_intr_mask(hal->dev, intr_status);
44 }
45 }
46 }
47
