simpleport.h

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#pragma once
 
#include <PropWare/gpio/port.h>
 
namespace PropWare {
 
class SimplePort : public Port {
    public:
        static void flash_port (const Port::Mask firstPin, const uint8_t portWidth, const uint16_t iterations = 10) {
            const SimplePort port(firstPin, portWidth);
            Port::flash_port(port.m_mask, iterations);
        }
 
    public:
        SimplePort () :
                Port() {
            this->m_firstPinNum = 0;
        }
 
        SimplePort (const PropWare::Port::Mask firstPin, uint8_t portWidth) {
            this->set_mask(firstPin, portWidth);
        }
 
        SimplePort (const PropWare::Port::Mask firstPin, uint8_t portWidth, const PropWare::Port::Dir direction) {
            this->set_mask(firstPin, portWidth);
            this->set_dir(direction);
        }
 
        void set_mask (const PropWare::Port::Mask firstPin, uint8_t portWidth) {
            this->m_mask        = static_cast<uint32_t>(firstPin);
            this->m_firstPinNum = PropWare::Port::from_mask(firstPin);
 
            // For every pin in the port...
            while (--portWidth)
                // Add the next pin to the mask
                this->m_mask |= this->m_mask << 1;
        }
 
        void write (uint32_t value) const {
            this->Port::write_fast(value << this->m_firstPinNum);
        }
 
        uint32_t read () const {
            return this->Port::read_fast() >> this->m_firstPinNum;
        }
 
    private:
        uint8_t m_firstPinNum;
};
 
}