#ifndef CONFIGS_FLATUSB_CONFIG
#define CONFIGS_FLATUSB_CONFIG
#ifndef SRC_FLATUSB_CONFIG
#define SRC_FLATUSB_CONFIG

#include <ch32f20x_usb.h>
#include <ch32f20x_rcc.h>
#include <ch32f20x.h>

static inline void usbdrv_gpio_init(void) {
    // turn ON GPIOA clocks
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
}

#define USB_IRQ_N OTG_FS_IRQn
#define USB_IRQ_HANDLER OTG_FS_IRQHandler
#define USB_IRQ_PRIORITY (8)
#define USB_IRQ_SET_PRIORITY(irq, priority) NVIC_SetPriority((irq),(priority))
#define USB_IRQ_ENABLE(irq) NVIC_EnableIRQ((irq))
#define USB_IRQ_DISABLE(irq) NVIC_DisableIRQ((irq))

// define USBG
#define USBG (USBOTG_FS)

#define USB_CLOCK_ENABLE() RCC_AHBPeriphClockCmd(RCC_AHBPeriph_OTG_FS, ENABLE);\
                           RCC_APB1PeriphClockCmd(RCC_APB1Periph_USB, ENABLE)

#include "embfmt/embformat.h"
#define SNPRINTF(str, n, fmt, ...) embfmt(str, n, fmt, __VA_ARGS__)

#ifdef USBDBGMSG
#define USBMSG(...) MSG(__VA_ARGS__)
#endif

#endif /* SRC_FLATUSB_CONFIG */


#endif /* CONFIGS_FLATUSB_CONFIG */