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初用CCS 5.4,编译msp430G2553产生的警告信息

Other Parts Discussed in Thread: MSP430G2553

原来用IAR,今天我也安装了CCS开发环境。

在官网找了个简单的例程,编译之后有好多关于中断向量的警告信息。

程序:

#include <msp430g2553.h>

void main(void)
{
WDTCTL = WDTPW + WDTHOLD; // Stop watchdog timer
P1DIR |= 0x01; // Set P1.0 to output direction

for (;;)
{
volatile unsigned int i;

P1OUT ^= 0x01; // Toggle P1.0 using exclusive-OR

i = 50000; // Delay
do (i--);
while (i != 0);
}
}

警告信息:

没用到的中断为什么会产生警告信息?请指教。