C++ (Cpp) _port_addr Examples

Example #1

File: gpio.c Project: AdamRLukaitis/RIOT

int gpio_init(gpio_t pin, gpio_mode_t mode)
{
    switch (mode) {
        case GPIO_OUT:
            _SFR_MEM8(_ddr_addr(pin)) |= (1 << _pin_num(pin));
            break;
        case GPIO_IN:
            _SFR_MEM8(_ddr_addr(pin)) &= ~(1 << _pin_num(pin));
            _SFR_MEM8(_port_addr(pin)) &= ~(1 << _pin_num(pin));
            break;
        case GPIO_IN_PU:
            _SFR_MEM8(_port_addr(pin)) |= (1 << _pin_num(pin));
            break;
        default:
            return -1;
    }

    return 0;
}

Example #2

File: gpio.c Project: ReneHerthel/RIOT

/**
 * @brief     Generate the DDRx address of the given pin
 */
static inline uint16_t _ddr_addr(gpio_t pin)
{
    return (_port_addr(pin) - 0x01);
}

Example #3

File: gpio.c Project: ReneHerthel/RIOT

void gpio_clear(gpio_t pin)
{
    _SFR_MEM8(_port_addr(pin)) &= ~(1 << _pin_num(pin));
}

Example #4

File: gpio.c Project: ReneHerthel/RIOT

void gpio_set(gpio_t pin)
{
    _SFR_MEM8(_port_addr(pin)) |= (1 << _pin_num(pin));
}

Example #5

File: gpio.c Project: ReneHerthel/RIOT

/**
 * @brief     Generate the PINx address of the given pin.
 */
static inline uint16_t _pin_addr(gpio_t pin)
{
    return (_port_addr(pin) - 0x02);
}