TI CC1310从shutdown模式下唤醒
最近在做TI CC1310的开发,需求四个按键将MCU从shutdown模式下唤醒,并找出按键触发源,参照例程,目前程序可以进入shutdown并正常唤醒,可是无法识别是哪个按键触发的唤醒,按键配置及task部分函数如下,我想通过查询EVFLGS31_0寄存器来读取按键唤醒触发源,可是读到的寄存器一直为0,table中添加PIN_IRQ_NEGEDGE配置还是没有效果,请问各位大哥IOC口该如何配置?小弟不甚感激!
/* Wake-up Button pin table */
PIN_Config ButtonTableWakeUp[] = {
Board_KEY_UP | PIN_INPUT_EN | PIN_PULLUP |PINCC26XX_WAKEUP_NEGEDGE,
Board_KEY_DOWN | PIN_INPUT_EN | PIN_PULLUP |PINCC26XX_WAKEUP_NEGEDGE,
Board_KEY_LEFT | PIN_INPUT_EN | PIN_PULLUP |PINCC26XX_WAKEUP_NEGEDGE,
Board_KEY_RIGHT | PIN_INPUT_EN | PIN_PULLUP |PINCC26XX_WAKEUP_NEGEDGE,
PIN_TERMINATE /* Terminate list */
};
task函数中包含
{
/* Configure DIO for wake up from shutdown */
PINCC26XX_setWakeup(ButtonTableWakeUp);
/* Go to shutdown */
Power_shutdown(NULL, 0);
/* Should never get here, since shutdown will reset. */
while(1);
}