kopia lustrzana https://github.com/espressif/esp-idf
47 wiersze
1.8 KiB
C
47 wiersze
1.8 KiB
C
/*
|
|
* SPDX-FileCopyrightText: 2015-2022 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);
|
|
}
|
|
}
|
|
}
|