使用CubeIDE 运行下面部分代码报错:multi-character character constant [-Wmultichar]
if(HAL_UART_Receive(&huart1,Rxbuf,sizeof(Rxbuf),1000)==HAL_OK)
{
int data = Rxbuf[4];
switch(data)
{
case 's1':
STEPPER_CONTROL(2,1600,1);
printf("case1\n");
break;
case 's2':
STEPPER_CONTROL(1,3200,1);
printf("case2\n");
break;
case 's2':
STEPPER_CONTROL(3,6400,0);
break;
printf("case1\n");
default :printf("Unknow Command\r\n");
}
}
}
/* USER