Hjx-001: Driver

Drivers and firmware work in tandem. An outdated firmware can cause the latest driver to malfunction.

To update firmware:

Warning: Cross-flashing firmware between HJX-001A and HJX-001C will brick the device. hjx-001 driver

Even with the correct drivers, problems can arise. Here are the most frequent HJX-001 driver issues and their solutions.

If the built-in Windows Camera app works but you want the measurement features or snapshot buttons usually advertised on the box, you may need the specific viewing software. Drivers and firmware work in tandem

Since the mini-CDs included in the box are often outdated or too small for modern slot-loading drives, you can usually use generic USB microscope software that is compatible with the HJX-001 chipset.

Common compatible software options:

Note: Always ensure you download software from a reputable source or the manufacturer's official website if available.

typedef struct 
    uint8_t dev_addr;   // I²C addr (7-bit) or SPI chip select
    uint8_t comm_mode;  // 0=I2C, 1=SPI
    void (*delay_ms)(uint32_t ms);
    int (*write_reg)(uint8_t reg, uint8_t *data, uint8_t len);
    int (*read_reg)(uint8_t reg, uint8_t *buf, uint8_t len);
 hjx001_handle_t;

int hjx001_set_mode(hjx001_handle_t *dev, uint8_t mode) 
    uint8_t reg;
    dev->read_reg(0x01, ®, 1);
    reg = (reg & 0xF8)