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DK-TM4C123G:TM4C123G

O OO

Part Number: DK-TM4C123G

   我知道解鎖PF0需要下列三行程式，但是對於怎麼去解鎖的寫法不太清楚，想詢問這部分的問題

    HWREG(GPIO_PORTF_BASE + GPIO_O_LOCK) = GPIO_LOCK_KEY;

    HWREG(GPIO_PORTF_BASE + GPIO_O_CR) |= 0x01;

    HWREG(GPIO_PORTF_BASE + GPIO_O_LOCK) = 0;