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feat(touch_sens): touch sensor driver-ng on P4

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laokaiyao
2024-06-07 17:16:29 +08:00
parent 11bbd9b76d
commit 865e3ee2de
47 changed files with 2698 additions and 297 deletions
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82
components/hal/esp32p4/touch_sensor_hal.c Normal file
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/*
* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <string.h>
#include "soc/soc_pins.h"
#include "hal/touch_sensor_ll.h"
#include "hal/touch_sensor_hal.h"
#include "hal/touch_sensor_types.h"
#include "soc/soc_caps.h"
typedef struct {
int deep_slp_chan;
touch_hal_config_t slp_cfg;
bool apply_slp_cfg;
} touch_hal_deep_sleep_obj_t;
static touch_hal_deep_sleep_obj_t s_touch_slp_obj = {
.deep_slp_chan = -1,
.apply_slp_cfg = false,
};
void touch_hal_config_controller(const touch_hal_config_t *cfg)
{
HAL_ASSERT(cfg);
touch_ll_set_out_mode(cfg->output_mode);
touch_ll_set_power_on_wait_cycle(cfg->power_on_wait_ticks);
touch_ll_set_measure_interval_ticks(cfg->meas_interval_ticks);
if (cfg->timeout_ticks) {
touch_ll_timeout_enable(cfg->timeout_ticks);
} else {
touch_ll_timeout_disable();
}
touch_ll_sample_cfg_set_engaged_num(cfg->sample_cfg_num);
for (int i = 0; i < cfg->sample_cfg_num; i++) {
touch_ll_set_clock_div(i, cfg->sample_cfg[i].div_num);
touch_ll_set_charge_times(i, cfg->sample_cfg[i].charge_times);
touch_ll_sample_cfg_set_rc_filter(i, cfg->sample_cfg[i].rc_filter_cap, cfg->sample_cfg[i].rc_filter_res);
touch_ll_sample_cfg_set_driver(i, cfg->sample_cfg[i].low_drv, cfg->sample_cfg[i].high_drv);
touch_ll_sample_cfg_bypass_shield_output(i, cfg->sample_cfg[i].bypass_shield_output);
touch_ll_sample_cfg_set_bias_voltage(i, cfg->sample_cfg[i].bias_volt);
}
}
void touch_hal_save_sleep_config(int deep_slp_chan, const touch_hal_config_t *deep_slp_cfg)
{
s_touch_slp_obj.deep_slp_chan = deep_slp_chan;
/* If particular deep sleep configuration is given, save it and apply it before entering the deep sleep */
if (deep_slp_chan >= 0 && deep_slp_cfg) {
s_touch_slp_obj.apply_slp_cfg = true;
memcpy(&s_touch_slp_obj.slp_cfg, deep_slp_cfg, sizeof(touch_hal_config_t));
} else {
s_touch_slp_obj.apply_slp_cfg = false;
}
}
//This function will only be called when the chip is going to deep sleep.
static void s_touch_hal_apply_sleep_config(void)
{
/* Apply the particular configuration for deep sleep */
if (s_touch_slp_obj.apply_slp_cfg) {
touch_hal_config_controller(&s_touch_slp_obj.slp_cfg);
}
/* Whether to enable touch sensor wake-up the chip from deep sleep */
if (s_touch_slp_obj.deep_slp_chan >= 0) {
touch_ll_sleep_set_channel_num(s_touch_slp_obj.deep_slp_chan);
touch_ll_set_channel_mask(BIT(s_touch_slp_obj.deep_slp_chan));
} else {
touch_ll_sleep_set_channel_num(TOUCH_LL_NULL_CHANNEL);
}
}
void touch_hal_prepare_deep_sleep(void)
{
s_touch_hal_apply_sleep_config();
// TODO: check if it is necessary to reset the sleep benchmark
touch_ll_sleep_reset_benchmark();
touch_ll_intr_clear(TOUCH_LL_INTR_MASK_ALL);
}