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Refactor the touch sensor driver

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This commit is contained in:
Fu Zhi Bo
2019-11-27 20:08:44 +08:00
committed by Wang Jia Lin
parent c487df288c
commit 3a468a1ffd
37 changed files with 5347 additions and 2552 deletions
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examples/system/deep_sleep/main/deep_sleep_example_main.c
+12 -13
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@@ -173,29 +173,28 @@ void app_main(void)
touch_pad_init();
/* Only support one touch channel in sleep mode. */
touch_pad_config(TOUCH_PAD_NUM9);
touch_pad_set_thresh(TOUCH_PAD_NUM9, TOUCH_PAD_THRESHOLD_MAX);
/* Denoise setting at TouchSensor 0. */
touch_pad_denoise_t denoise = {
/* The bits to be cancelled are determined according to the noise level. */
.grade = TOUCH_PAD_DENOISE_BIT4,
.cap_level = TOUCH_PAD_DENOISE_CAP_L7,
};
touch_pad_denoise_set_config(denoise);
touch_pad_denoise_set_config(&denoise);
touch_pad_denoise_enable();
printf("Denoise function init\n");
/* Filter setting */
touch_filter_config_t filter_info = {
.mode = TOUCH_PAD_FILTER_IIR_8,
.debounce_cnt = 1, // 1 time count.
.hysteresis_thr = 1, // 9.4%
.noise_thr = 1, // 37.5%
.noise_neg_thr = 1, // 37.5%
.neg_noise_limit = 10, // 10 time count.
.jitter_step = 4, // use for jitter mode.
.mode = TOUCH_PAD_FILTER_IIR_8,
.debounce_cnt = 1, // 1 time count.
.hysteresis_thr = 3, // 3%
.noise_thr = 0, // 50%
.noise_neg_thr = 0, // 50%
.neg_noise_limit = 10, // 10 time count.
.jitter_step = 4, // use for jitter mode.
};
touch_pad_filter_set_config(&filter_info);
touch_pad_filter_enable();
touch_pad_filter_baseline_reset(TOUCH_PAD_NUM9);
touch_pad_filter_reset_baseline(TOUCH_PAD_NUM9);
printf("touch pad filter init %d\n", TOUCH_PAD_FILTER_IIR_8);
/* Set sleep touch pad. */
touch_pad_sleep_channel_t slp_config = {
@@ -203,16 +202,16 @@ void app_main(void)
.sleep_pad_threshold = TOUCH_PAD_THRESHOLD_MAX,
.en_proximity = false,
};
touch_pad_sleep_channel_config(slp_config);
touch_pad_sleep_channel_config(&slp_config);
/* Enable touch sensor clock. Work mode is "timer trigger". */
touch_pad_set_fsm_mode(TOUCH_FSM_MODE_TIMER);
touch_pad_fsm_start();
vTaskDelay(100 / portTICK_RATE_MS);
/* read sleep touch pad value */
uint32_t touch_value;
touch_pad_sleep_channel_baseline_get(&touch_value);
touch_pad_sleep_channel_read_baseline(&touch_value);
slp_config.sleep_pad_threshold = touch_value * 0.1;
touch_pad_sleep_channel_config(slp_config); //10%
touch_pad_sleep_channel_config(&slp_config); //10%
printf("test init: touch pad [%d] slp %d, thresh %d\n",
TOUCH_PAD_NUM9, touch_value, (uint32_t)(touch_value * 0.1));
#endif