RMUL2025/User/bsp/a/bsp_usb.c
2025-03-09 17:01:52 +08:00

31 lines
949 B
C

/* Includes ----------------------------------------------------------------- */
#include "bsp_usb.h"
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include "usbd_cdc_if.h"
/* Private define ----------------------------------------------------------- */
/* Private macro ------------------------------------------------------------ */
/* Private typedef ---------------------------------------------------------- */
/* Private variables -------------------------------------------------------- */
uint8_t usb_tx_buf[512];
uint8_t usb_rx_buf[512];
/* Private function -------------------------------------------------------- */
/* Exported functions ------------------------------------------------------- */
uint8_t BSP_USB_Printf(const char *fmt, ...) {
static va_list ap;
uint16_t len = 0;
va_start(ap, fmt);
len = vsprintf((char *)usb_tx_buf, fmt, ap);
va_end(ap);
CDC_Transmit_FS(usb_tx_buf, len);
return 0;
}