Initial commit: TXW82x FPV v2.7.0.7-42229 SDK + project sources

sdk/lib/key/power_checkkey.c

@@ -0,0 +1,98 @@
+#include "sys_config.h"
+#include "typesdef.h"
+#include "adkey.h"
+#include "keyScan.h"
+ 
+#include "dev/adc/hgadc_v0.h"
+#include "hal/gpio.h"
+
+
+static void key_powerkey_init(key_channel_t *key)
+{
+    adkey_t *adkey = (adkey_t *)key->priv;
+    struct hgadc_v0 *adc = (struct hgadc_v0*)dev_get(HG_ADC0_DEVID);
+
+	adc_open((struct adc_device *)adc);	
+	gpio_set_mode(adkey->pin,adkey->pull,adkey->pull_level);
+	adc_add_channel((struct adc_device *)adc, adkey->pin);	
+	
+    adkey->priv = (void*)adc;
+	key->enable = 1;
+
+}
+
+static uint8 key_powerkey_scan(key_channel_t *key)
+{
+    adkey_t *adkey = (adkey_t *)key->priv;
+    uint32 vol;
+    struct adkey_scan_code *key_scan = (struct adkey_scan_code*)key->key_table;
+    adc_get_value((struct adc_device *)adkey->priv, adkey->pin, &vol);
+    //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
+    key->extern_value = vol;    
+	
+    for(;;)
+    {
+        if(vol>=key_scan->adc)
+        {
+            key_scan++;
+        }
+        else
+        {
+            key_scan--;
+            break;
+        }
+    }
+    return key_scan->key;
+}
+
+
+
+
+
+
+
+
+/*********************************************************
+ *                      powerkey的参数配置
+ * 
+ *  可以配置类似低电量的检测
+************************************************************/
+static const struct adkey_scan_code powerkey_table[] = 
+{
+	{0,     LOWPOWER_CHECK},
+    {400,   KEY_NONE},
+    {4096,  KEY_NONE},
+};
+
+//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
+//当前电量
+static const keys_t powerkey_arg = 
+{
+    .period_long     = 500,
+    .period_repeat   = 1000,
+    .period_dither = 80,
+};
+
+
+static adkey_t powerkey= {
+  .priv = NULL,
+  .pin  = PA_3,
+  .pull = GPIO_PULL_NONE,
+  .pull_level = GPIO_PULL_LEVEL_100K,
+};
+
+
+
+//这里逻辑与ADKEY一样,因为都是ad检测
+key_channel_t powercheck_key = 
+{
+  .init       = key_powerkey_init,
+  .scan       = key_powerkey_scan,
+  .prepare    = NULL,
+  .priv       = (void*)&powerkey,
+  .key_arg    = &powerkey_arg,//按键的参数,可能不同的类型按键,参数不一样
+  .key_table  = &powerkey_table,
+};
+
+
+