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45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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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_legacy_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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} else {
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*pad_num = (touch_pad_t)(__builtin_ffs(touch_mask) - 1);
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}
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}
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