关于外部中断唤醒PM3遇到的一个问题

disable其他GPIO口的中断使能位

恩恩，但是一个组内的GPIO口还是无法通过disable中断使能位区别开啊

試試下面從cc254x抓出來pm3的測試程式

/***********************************************************************************
* CONSTANTS
*/
// Wait time in Active mode.
#define ACT_MODE_TIME 50000


/***********************************************************************************
* LOCAL VARIABLES
*/
// Variable for active mode duration.
static uint32 __xdata activeModeCnt = 0;


/***********************************************************************************
* LOCAL FUNCTIONS
*/

/***********************************************************************************
* @fn setup_port_interrupt
*
* @brief Function which sets up the Port 0 Interrupt for Power Mode 3 usage.
*
* @param void
*
* @return void
*/
void setup_port_interrupt(void)
{
// Clear Port 0 Interrupt flags.
P0IF = 0;
P0IFG = 0x00;

// Interrupt enable on all pins on port 0.
P0IEN = 0xFF;

// Enable CPU Interrupt for Port 0 (IEN1.P0IE = 1).
P0IE = 1;

// Enable Global Interrupt by setting the (IEN0.EA = 1).
EA = 1;
}


/***********************************************************************************
* @fn port0_isr
*
* @brief Port 0 Interrupt Service Routine, which executes when SRF05EB S1
* (P0_1) is pressed.
*
* @param void
*
* @return void
*/
#pragma vector = P0INT_VECTOR
__interrupt void port0_isr(void)
{
// Note that the order in which the following flags are cleared is important.

// Clear Port 0 Interrupt Flags.
P0IFG = 0x00;

// Clear CPU Interrupt Flag for P0 (IRCON.P0IF = 0).
P0IF = 0;

// Set LED1 to indicate Active Mode.
P1_0 = 1;
}


/***********************************************************************************
* @fn main
*
* @brief Enter Power Mode, exit Power Mode 3 using Port 0 Interrupt.
*
* @param none
*
* @return 0
*/

void main(void)
{
/***************************************************************************
* Setup I/O
*/
// Initialize P1_0 for SRF05EB LED1.
P1SEL &= ~BIT0; // Function as General Purpose I/O.
P1_0 = 1; // LED1 on.
P1DIR |= BIT0; // Output.

// Initialize P0_1 for SRF05EB S1 button.
P0SEL &= ~BIT1; // Function as General Purpose I/O.
P0DIR &= ~BIT1; // Input.
P0INP |= BIT1; // 3-state input.


/***************************************************************************
* Setup interrupt
*
* Setup and enable Port 0 Interrupt, which shall wake-up the SoC from
* Power Mode 3.
*/
setup_port_interrupt();


/***********************************************************************
* Setup powermode
*/
// Set [SLEEPCMD.MODE] to PM3.
SLEEPCMD = (SLEEPCMD & ~SLEEPCMD_MODE) | SLEEPCMD_MODE_PM3;


/* Main Loop, enter/exit Power Mode 3. */
while(1)
{
// Wait some time in Active Mode, and clear LED1 before
// entering Power Mode 3.
for(activeModeCnt = 0; activeModeCnt < ACT_MODE_TIME; activeModeCnt++);
P1_0 = 0;

// Enter powermode
// Sets PCON.IDLE with a 2-byte boundary assembly instruction.
// NOTE: Cache must be enabled (see CM in FCTL).
// This method gives the least current consumption.
EnterSleepModeProcessInterruptsOnWakeup();

}
}