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52 lines
1.7 KiB
C
52 lines
1.7 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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// The HAL layer for Touch sensor (common part)
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#include "hal/touch_sensor_hal.h"
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#include "hal/touch_sensor_types.h"
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void touch_hal_init(void)
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{
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touch_ll_stop_fsm();
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touch_ll_intr_disable();
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touch_ll_intr_clear();
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touch_ll_clear_channel_mask(TOUCH_PAD_BIT_MASK_ALL);
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touch_ll_clear_group_mask(TOUCH_PAD_BIT_MASK_ALL, TOUCH_PAD_BIT_MASK_ALL);
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touch_ll_set_trigger_mode(TOUCH_TRIGGER_MODE_DEFAULT);
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touch_ll_set_trigger_source(TOUCH_TRIGGER_SOURCE_DEFAULT);
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touch_ll_clear_trigger_status_mask();
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touch_ll_set_meas_time(TOUCH_PAD_MEASURE_CYCLE_DEFAULT);
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touch_ll_set_sleep_time(TOUCH_PAD_SLEEP_CYCLE_DEFAULT);
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touch_ll_set_fsm_mode(TOUCH_FSM_MODE_DEFAULT);
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touch_ll_start_fsm();
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}
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void touch_hal_deinit(void)
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{
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touch_ll_stop_fsm();
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touch_ll_clear_trigger_status_mask();
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touch_ll_intr_disable();
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}
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void touch_hal_get_wakeup_status(touch_pad_t *pad_num)
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{
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uint32_t touch_mask = 0;
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touch_ll_read_trigger_status_mask(&touch_mask);
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if (touch_mask == 0) {
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*pad_num = -1;
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}
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*pad_num = (touch_pad_t)(__builtin_ffs(touch_mask) - 1);
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}
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