USBD — USB 打印机

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#include "printer_core.h"
#include "usbd_hw.h"

int main(void)
{
    /* system clocks configuration */
    rcu_config();

    /* GPIO configuration */
    gpio_config();

    /* USB device configuration */
    usbd_init(&usbd_printer, &printer_desc, &printer_class);

    /* NVIC configuration */
    nvic_config();

    /* enabled USB pull-up */
    usbd_connect(&usbd_printer);

    while(USBD_CONFIGURED != usbd_printer.cur_status) {
        /* wait for standard USB enumeration is finished */
    }

    while(1) {
    }
}