touch/TouchDrvHI8561.hpp

Go to the documentation of this file.

 
#pragma once
 
#include "../SensorBuildOpt.h"
#if !SENSORLIB_EXCLUDE_TOUCH_HI8561
 
#include "TouchDrvInterface.hpp"
 
static constexpr uint8_t HI8561_SLAVE_ADDRESS = (0x68);
 
class TouchDrvHI8561 :  public TouchDrvInterface
{
public:
    TouchDrvHI8561() = default;
 
    ~TouchDrvHI8561() = default;
 
    void sleep() override;
 
    const TouchPoints &getTouchPoints() override;
 
    const char *getModelName() override;
 
private:
 
    bool initImpl(uint8_t) override;
 
    bool inline makePacketThenRead(uint32_t addr, uint8_t *data, uint16_t len)
    {
        uint8_t addrBuf[6];
        addrBuf[0] = 0xF3;
        addrBuf[1] = (uint8_t)((addr & 0xFF000000) >> 24);
        addrBuf[2] = (uint8_t)((addr & 0x00FF0000) >> 16);
        addrBuf[3] = (uint8_t)((addr & 0x0000FF00) >> 8);
        addrBuf[4] = (uint8_t)((addr & 0x000000FF) >> 0);
        addrBuf[5] = 0x03;
        return writeThenRead(addrBuf, sizeof(addrBuf), data, len) == 0;
    }
 
protected:
    static constexpr uint32_t REG_SECTION_INFO = 0x200110D8;
    static constexpr uint32_t REG_INFO = 0x20011120;
    static constexpr uint32_t REG_POINT = 0x20011123;
    static constexpr uint8_t BYTES_OFFSET = 3;
    static constexpr uint8_t MAX_FINGER_NUM = (10);
    static constexpr uint8_t BYTES_PER_POINT = (5);
};
 
#endif