CC2541设置中断输入模式-优快云博客

本文详细介绍了按键SW_6在P0.0及P0.1的中断配置过程，包括定义了按键所对应的端口、位选择、方向寄存器等，并针对边缘中断设置了上升沿触发方式，还详细说明了中断使能、控制寄存器及中断标志等关键配置。

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//P0.0

/* SW_6 is at P0.1 */
#define HAL_KEY_SW_6_PORT P0
#define HAL_KEY_SW_6_BIT BV(0)
#define HAL_KEY_SW_6_SEL P0SEL
#define HAL_KEY_SW_6_DIR P0DIR

/* edge interrupt */
#define HAL_KEY_SW_6_EDGEBIT BV(0)
#define HAL_KEY_SW_6_EDGE HAL_KEY_RISING_EDGE//HAL_KEY_FALLING_EDGE

/* SW_6 interrupts */
#define HAL_KEY_SW_6_IEN IEN1 /* CPU interrupt mask register */
#define HAL_KEY_SW_6_IENBIT BV(5) /* Mask bit for all of Port_0 */
#define HAL_KEY_SW_6_ICTL P0IEN /* Port Interrupt Control register */
#define HAL_KEY_SW_6_ICTLBIT BV(0) /* P0IEN - P0.1 enable/disable bit */
#define HAL_KEY_SW_6_PXIFG P0IFG /* Interrupt flag at source */

//P0.1

/* SW_6 is at P0.1 */
#define HAL_KEY_SW_6_PORT P0
#define HAL_KEY_SW_6_BIT BV(0)
#define HAL_KEY_SW_6_SEL P0SEL
#define HAL_KEY_SW_6_DIR P0DIR

/* edge interrupt */
#define HAL_KEY_SW_6_EDGEBIT BV(1)
#define HAL_KEY_SW_6_EDGE HAL_KEY_RISING_EDGE//HAL_KEY_FALLING_EDGE

/* SW_6 interrupts */
#define HAL_KEY_SW_6_IEN IEN1 /* CPU interrupt mask register */
#define HAL_KEY_SW_6_IENBIT BV(5) /* Mask bit for all of Port_0 */
#define HAL_KEY_SW_6_ICTL P0IEN /* Port Interrupt Control register */
#define HAL_KEY_SW_6_ICTLBIT BV(1) /* P0IEN - P0.1 enable/disable bit */
#define HAL_KEY_SW_6_PXIFG P0IFG /* Interrupt flag at source */

转载于:https://www.cnblogs.com/zhaogaojian/p/7294313.html