kopia lustrzana https://github.com/espressif/esp-idf
75 wiersze
2.3 KiB
C
75 wiersze
2.3 KiB
C
// Copyright 2015-2019 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "hal/i2c_hal.h"
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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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if (i2c_ll_get_intsts_mask(hal->dev) != 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_master_clr_tx_it(hal->dev);
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} else if (*event == I2C_INTR_EVENT_END_DET) {
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i2c_ll_master_clr_tx_it(hal->dev);
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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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if (i2c_ll_get_intsts_mask(hal->dev) != 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_master_clr_rx_it(hal->dev);
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} else if (*event == I2C_INTR_EVENT_END_DET) {
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i2c_ll_master_clr_rx_it(hal->dev);
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}
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}
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}
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void i2c_hal_slave_handle_event(i2c_hal_context_t *hal, i2c_intr_event_t *event)
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{
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i2c_ll_slave_get_event(hal->dev, event);
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}
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void i2c_hal_disable_slave_tx_it(i2c_hal_context_t *hal)
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{
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i2c_ll_slave_disable_tx_it(hal->dev);
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}
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void i2c_hal_update_config(i2c_hal_context_t *hal)
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{
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i2c_ll_update(hal->dev);
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}
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void i2c_hal_get_rxfifo_cnt(i2c_hal_context_t *hal, uint32_t *len)
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{
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*len = i2c_ll_get_rxfifo_cnt(hal->dev);
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}
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void i2c_hal_get_txfifo_cnt(i2c_hal_context_t *hal, uint32_t *len)
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{
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*len = i2c_ll_get_txfifo_len(hal->dev);
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}
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void i2c_hal_get_intsts_mask(i2c_hal_context_t *hal, uint32_t *mask)
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{
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*mask = i2c_ll_get_intsts_mask(hal->dev);
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}
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