标题:
单片机测距模块加到蓝牙模块里后不能正常运行
[打印本页]
作者:
唐壹影
时间:
2020-9-5 17:19
标题:
单片机测距模块加到蓝牙模块里后不能正常运行
这两个模块单独运行都没问题,但是把HCSR04测距程序加到HC05蓝牙程序后,发送指令测距程序不运行,帮我看看是不是中断的问题,谢谢。
/// 配置USART接收中断
static void NVIC_Configuration(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
/* Configure the NVIC Preemption Priority Bits */
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
/* Enable the USARTy Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = BLT_USART_IRQ;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority =1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
void hcsr04_NVIC(void)
{ NVIC_InitTypeDef NVIC_InitStructure;
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
NVIC_InitStructure.NVIC_IRQChannel = TIM8_BRK_TIM12_IRQn ;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 3;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
整个程序就用了这两个中断优先级,这么写的话,串口能连上蓝牙,但是给指令不测距。
作者:
唐壹影
时间:
2020-9-5 17:33
有人可以帮我看看吗,感谢
作者:
七禾页
时间:
2020-9-30 11:59
程序贴一下
欢迎光临 (http://www.51hei.com/bbs/)
Powered by Discuz! X3.1