95 lines
2.3 KiB
C
95 lines
2.3 KiB
C
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#include "key_driver.h"
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#include "slidekey.h"
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#include "gpio.h"
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#include "system/event.h"
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#include "system/includes.h"
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#include "app_config.h"
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#include "asm/clock.h"
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#include "app_action.h"
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#if (TCFG_SLIDE_KEY_ENABLE)
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#define MAX_CH 10
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static const struct slidekey_platform_data *__this = NULL;
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static u32 slide_old_ad[MAX_CH];
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struct key_driver_para slidekey_scan_para = {
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.scan_time = 300,
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.last_key = NO_KEY,
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.filter_time = 4,
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.long_time = 75,
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.hold_time = (75 + 15),
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.click_delay_time = 20,
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.key_type = KEY_DRIVER_TYPE_SLIDEKEY,
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.get_value = slide_get_key_value,
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};
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u8 slide_get_key_value(void)
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{
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u8 i = 0;
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u32 ad_value_cur = 0;
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u32 offset;
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u32 level = 0;
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if (!__this->enable) {
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return NO_KEY;
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}
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for (i = 0; i < __this->num; i++) {
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ad_value_cur = adc_get_value(__this->port[i].ad_channel);
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//printf("nl = %d,nd = %d\n",slide_now_level[i],adc_get_value(__this->port[i].ad_channel));
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if (ad_value_cur > slide_old_ad[i]) {
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offset = ad_value_cur - slide_old_ad[i];
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} else {
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offset = slide_old_ad[i] - ad_value_cur;
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}
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level = 1023 / (__this->port[i].level + 1);
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if (offset > level / 2) {
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slide_old_ad[i] = ad_value_cur;
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level = slide_old_ad[i] / level;
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if (level > __this->port[i].level) {
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level = __this->port[i].level;
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}
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y_printf("key\n");
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app_task_put_key_msg(__this->port[i].msg, level);
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}
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}
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return NO_KEY;
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}
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int slidekey_init(const struct slidekey_platform_data *slidekey_data)
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{
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u8 i = 0;
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__this = slidekey_data;
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if (__this == NULL) {
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return -EINVAL;
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}
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//if(!__this->enable)
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//{
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//
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//}
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y_printf("slide key init\n");
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for (i = 0; i < __this->num; i++) {
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adc_add_sample_ch(__this->port[i].ad_channel);
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gpio_set_die(__this->port[i].io, 0);
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gpio_set_direction(__this->port[i].io, 1);
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gpio_set_pull_down(__this->port[i].io, 0);
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if (__this->port[i].io_up_en) {
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gpio_set_pull_up(__this->port[i].io, 1);
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} else {
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gpio_set_pull_up(__this->port[i].io, 0);
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}
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}
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return 0;
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}
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#endif /* #if TCFG_SLIDE_KEY_ENABLE */
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