diff --git a/cpu/cc2538/dev/gpio.h b/cpu/cc2538/dev/gpio.h index c81482c9e..8a61f668b 100644 --- a/cpu/cc2538/dev/gpio.h +++ b/cpu/cc2538/dev/gpio.h @@ -214,6 +214,51 @@ typedef void (* gpio_callback_t)(uint8_t port, uint8_t pin); #define GPIO_SOFTWARE_CONTROL(PORT_BASE, PIN_MASK) \ do { REG((PORT_BASE) | GPIO_AFSEL) &= ~(PIN_MASK); } while(0) +/** \brief Set pins with PIN_MASK of port PORT to trigger a power-up interrupt + * on rising edge. + * \param PORT GPIO Port (not port base address) + * \param PIN_MASK Pin number mask. Pin 0: 0x01, Pin 1: 0x02 ... Pin 7: 0x80 + */ +#define GPIO_POWER_UP_ON_RISING(PORT, PIN_MASK) \ + do { REG(GPIO_PORT_TO_BASE(PORT) | GPIO_P_EDGE_CTRL) &= \ + ~((PIN_MASK) << ((PORT) << 3)); } while(0) + +/** \brief Set pins with PIN_MASK of port PORT to trigger a power-up interrupt + * on falling edge. + * \param PORT GPIO Port (not port base address) + * \param PIN_MASK Pin number mask. Pin 0: 0x01, Pin 1: 0x02 ... Pin 7: 0x80 + */ +#define GPIO_POWER_UP_ON_FALLING(PORT, PIN_MASK) \ + do { REG(GPIO_PORT_TO_BASE(PORT) | GPIO_P_EDGE_CTRL) |= \ + (PIN_MASK) << ((PORT) << 3); } while(0) + +/** \brief Enable power-up interrupt triggering for pins with PIN_MASK of port + * PORT. + * \param PORT GPIO Port (not port base address) + * \param PIN_MASK Pin number mask. Pin 0: 0x01, Pin 1: 0x02 ... Pin 7: 0x80 + */ +#define GPIO_ENABLE_POWER_UP_INTERRUPT(PORT, PIN_MASK) \ + do { REG(GPIO_PORT_TO_BASE(PORT) | GPIO_PI_IEN) |= \ + (PIN_MASK) << ((PORT) << 3); } while(0) + +/** \brief Disable power-up interrupt triggering for pins with PIN_MASK of port + * PORT. + * \param PORT GPIO Port (not port base address) + * \param PIN_MASK Pin number mask. Pin 0: 0x01, Pin 1: 0x02 ... Pin 7: 0x80 + */ +#define GPIO_DISABLE_POWER_UP_INTERRUPT(PORT, PIN_MASK) \ + do { REG(GPIO_PORT_TO_BASE(PORT) | GPIO_PI_IEN) &= \ + ~((PIN_MASK) << ((PORT) << 3)); } while(0) + +/** \brief Clear power-up interrupt triggering for pins with PIN_MASK of port + * PORT. + * \param PORT GPIO Port (not port base address) + * \param PIN_MASK Pin number mask. Pin 0: 0x01, Pin 1: 0x02 ... Pin 7: 0x80 + */ +#define GPIO_CLEAR_POWER_UP_INTERRUPT(PORT, PIN_MASK) \ + do { REG(GPIO_PORT_TO_BASE(PORT) | GPIO_IRQ_DETECT_ACK) = \ + (PIN_MASK) << ((PORT) << 3); } while(0) + /** * \brief Converts a pin number to a pin mask * \param The pin number in the range [0..7]