83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
#include "key/key_driver.h"
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#include "key/tent600_key.h"
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#include "key/adkey.h"
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#include "device/gpio.h"
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#include "app_config.h"
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#if TCFG_TENT600_KEY_ENABLE
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#include "asm/adc_api.h"
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//使用demo时，将下列宏剪切到板级的头文件
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//*******************************************************//
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// tent600_key 配置
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//*******************************************************//
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#define TCFG_TENT600_KEY_PORT IO_PORTA_03
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#define TCFG_TENT600_KEY_AD_CHANNEL AD_CH_PA3
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//使用demo时，将下列参数配置剪切到板级的C文件
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/**********************TENT600_KEY**********************/
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static const struct tent600_key_platform_data key_data = {
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.enalbe = TCFG_TENT600_KEY_ENABLE,
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.extern_up_en = 0,
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.tent600_key_pin = TCFG_TENT600_KEY_PORT,
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.ad_channel = TCFG_TENT600_KEY_AD_CHANNEL,
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};
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static const struct tent600_key_platform_data *__this = NULL;
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struct key_driver_para tent600_key_scan_para = {
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.scan_time = 10, //按键扫描频率, 单位: ms
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.last_key = NO_KEY, //上一次get_value按键值, 初始化为NO_KEY;
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.filter_time = 2, //按键消抖延时;
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.long_time = 75, //按键判定长按数量
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.hold_time = (75 + 15), //按键判定HOLD数量
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.click_delay_time = 20, //按键被抬起后等待连击延时数量
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.key_type = KEY_DRIVER_TYPE_BRIGHTNESS,
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.get_value = tent600_get_key_value,
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};
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u8 tent600_get_key_value(void)
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{
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u16 ad_data;
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ad_data = adc_get_value(__this->ad_channel);
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/* printf("ad_value = %d \n", ad_data); */
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u8 ad_level = ad_data / 32;
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static u8 count = 0;
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static u8 old_ad_level = NO_KEY;
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if (ad_level != old_ad_level) {
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count++;
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if (count > 50) {
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old_ad_level = ad_level;
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count = 0;
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}
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return ad_level;
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}
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return NO_KEY;
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}
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int tent600_key_init(const struct tent600_key_platform_data *tent600_key_data)
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{
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if (!tent600_key_data) {
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__this = &key_data;
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} else {
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__this = tent600_key_data;
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}
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adc_add_sample_ch(__this->ad_channel);
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gpio_set_die(__this->tent600_key_pin, 0);
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gpio_set_direction(__this->tent600_key_pin, 1);
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gpio_set_pull_down(__this->tent600_key_pin, 0);
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gpio_set_pull_up(__this->tent600_key_pin, 0);
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return 0;
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}
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#endif
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