FR801XH 通过LED2显示蓝牙连接状态
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引入
#include "driver_pmu.h"//LED2
switch(p_msg->msg_evt)
{
case GATTC_MSG_LINK_CREATE:
//蓝牙连接
if(gatt_get_mtu(p_msg->conn_idx)<247){
p_msg->param.msg.msg_len=247;//MTU长度设置
gatt_mtu_exchange_req(p_msg->conn_idx);
}
ool_write(PMU_REG_LED_CTRL, 0x04);//LED LOW
SEGGER_RTT_printf(0,"Bluetooth connectivity\r\n");
break;
case GATTC_MSG_LINK_LOST:
//蓝牙断开,重新开始广播
ool_write(PMU_REG_LED_CTRL, 0x00);//LED HIGH
ali_ota_start_advertising();
SEGGER_RTT_printf(0,"Bluetooth Disconnect\r\n");
break;
}
1.蓝牙连接成功通知:GATTC_MSG_LINK_CREATE
点亮LED2函数
ool_write(PMU_REG_LED_CTRL, 0x04);//LED LOW2.蓝牙断开通知:GATTC_MSG_LINK_LOST
熄灭LED2函数
ool_write(PMU_REG_LED_CTRL, 0x00);//LED HIGH蓝牙断开后要更新广播服务,不然搜索不到蓝牙
ali_ota_start_advertising();到这里就实现了通过LED2显示蓝牙连接状态。
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@zhangmm
ool_write(PMU_REG_LED_CTRL, 0x04);//LED HIGH
ool_write(PMU_REG_LED_CTRL, 0x04);//LED LOW
开发板LED高电平点亮,低电平熄灭