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BSP_Init( );
SMPL_Init( NULL );
uart_intfc_init( );
while(1)
{
len = rx_receive(rx, MAX_APP_PAYLOAD);
if(len!=0)
{
MRFI_DelayMs(1000);
tx_send_wait(rx, len);
}
}
以上程序当注释掉 SMPL_Init( NULL ); 后 len = rx_receive(rx, MAX_APP_PAYLOAD); 不能运行、、、、、、、、、怎么办