99 lines
2.2 KiB
C
99 lines
2.2 KiB
C
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#include "sys_config.h"
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#include "typesdef.h"
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#include "adkey.h"
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#include "keyScan.h"
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#include "dev/adc/hgadc_v0.h"
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#include "hal/gpio.h"
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static void key_powerkey_init(key_channel_t *key)
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{
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adkey_t *adkey = (adkey_t *)key->priv;
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struct hgadc_v0 *adc = (struct hgadc_v0*)dev_get(HG_ADC0_DEVID);
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adc_open((struct adc_device *)adc);
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gpio_set_mode(adkey->pin,adkey->pull,adkey->pull_level);
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adc_add_channel((struct adc_device *)adc, adkey->pin);
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adkey->priv = (void*)adc;
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key->enable = 1;
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}
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static uint8 key_powerkey_scan(key_channel_t *key)
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{
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adkey_t *adkey = (adkey_t *)key->priv;
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uint32 vol;
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struct adkey_scan_code *key_scan = (struct adkey_scan_code*)key->key_table;
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adc_get_value((struct adc_device *)adkey->priv, adkey->pin, &vol);
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//记录当前adc的值,用与发送到应用层,至于应用层是否需要,由应用层去管理
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key->extern_value = vol;
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for(;;)
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{
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if(vol>=key_scan->adc)
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{
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key_scan++;
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}
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else
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{
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key_scan--;
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break;
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}
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}
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return key_scan->key;
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}
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/*********************************************************
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* powerkey的参数配置
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*
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* 可以配置类似低电量的检测
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************************************************************/
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static const struct adkey_scan_code powerkey_table[] =
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{
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{0, LOWPOWER_CHECK},
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{400, KEY_NONE},
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{4096, KEY_NONE},
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};
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//配置对应的时间,正常来说,电量检测不需要短按事件,只要设置长按以及repeat的事件就行了,repeat就是
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//当前电量
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static const keys_t powerkey_arg =
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{
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.period_long = 500,
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.period_repeat = 1000,
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.period_dither = 80,
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};
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static adkey_t powerkey= {
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.priv = NULL,
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.pin = PA_3,
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.pull = GPIO_PULL_NONE,
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.pull_level = GPIO_PULL_LEVEL_100K,
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};
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//这里逻辑与ADKEY一样,因为都是ad检测
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key_channel_t powercheck_key =
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{
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.init = key_powerkey_init,
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.scan = key_powerkey_scan,
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.prepare = NULL,
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.priv = (void*)&powerkey,
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.key_arg = &powerkey_arg,//按键的参数,可能不同的类型按键,参数不一样
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.key_table = &powerkey_table,
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};
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