109 lines
3.0 KiB
C
109 lines
3.0 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 SLIDEKEY_FLIT_CNT_MAX 3
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#define SLIDEKEY_MAX_CH 10
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#define SLIDEKEY_SCAN_TIME 50
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struct slide_key {
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u16 old_ad[SLIDEKEY_MAX_CH];
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u16 flit_cnt[SLIDEKEY_MAX_CH];
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const struct slidekey_platform_data *parm;
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};
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static struct slide_key key;
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#define __this (&key)
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static void slide_key_scan(void *p)
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{
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u8 i = 0;
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u16 ad_value_cur = 0;
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u16 offset;
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u16 distance = 0;
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if (!__this->parm->enable) {
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return ;
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}
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for (i = 0; i < __this->parm->num; i++) {
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ad_value_cur = (u16)adc_get_value(__this->parm->port[i].ad_channel);
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//printf("nl = %d,nd = %d\n",slide_now_level[i],adc_get_value(__this->parm->port[i].ad_channel));
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if (ad_value_cur > __this->old_ad[i]) {
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offset = ad_value_cur - __this->old_ad[i];
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} else {
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offset = __this->old_ad[i] - ad_value_cur;
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}
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u16 level = (u16)(__this->parm->port[i].level);
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distance = 1023 / (level + 1);
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if (offset > distance / 2) {
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__this->flit_cnt[i]++;
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if (__this->flit_cnt[i] >= SLIDEKEY_FLIT_CNT_MAX) {
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__this->flit_cnt[i] = 0;
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__this->old_ad[i] = ad_value_cur;
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u16 cur_level = ad_value_cur / distance;
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if (cur_level > level) {
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cur_level = level;
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}
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//y_printf("key\n");
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app_task_put_key_msg(__this->parm->port[i].msg, cur_level);
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}
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} else {
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__this->flit_cnt[i] = 0;
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}
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}
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}
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void slidekey_update(void)
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{
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local_irq_disable();
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for (int i = 0; i < SLIDEKEY_MAX_CH; i++) {
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__this->old_ad[i] = (u16) - 1; //设置重置,可实现手动更新一次， 更新通过消息通知
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__this->flit_cnt[i] = 0;
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}
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local_irq_enable();
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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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//memset(__this, 0x0, sizeof(struct slide_key));
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for (i = 0; i < SLIDEKEY_MAX_CH; i++) {
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__this->old_ad[i] = (u16) - 1; //设置初值， 防止第一次没有变化， 没有发出单位变化
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__this->flit_cnt[i] = 0;
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}
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__this->parm = slidekey_data;
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if (__this->parm == NULL) {
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return -EINVAL;
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}
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for (i = 0; i < __this->parm->num; i++) {
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adc_add_sample_ch(__this->parm->port[i].ad_channel);
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gpio_set_die(__this->parm->port[i].io, 0);
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gpio_set_direction(__this->parm->port[i].io, 1);
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gpio_set_pull_down(__this->parm->port[i].io, 0);
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if (__this->parm->port[i].io_up_en) {
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gpio_set_pull_up(__this->parm->port[i].io, 1);
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} else {
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gpio_set_pull_up(__this->parm->port[i].io, 0);
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}
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}
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sys_s_hi_timer_add(NULL, slide_key_scan, SLIDEKEY_SCAN_TIME); //注册按键扫描定时器
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return 0;
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}
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#endif /* #if TCFG_SLIDE_KEY_ENABLE */
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