maybe is issues...

pico_stdio_usb\reset_interface.c:63:32: error: 'SRAM_END' undeclared (first use in this function);
#include "hardware/regs/addressmap.h"

pico_stdio_usb\stdio_usb.c:17:8: error: unknown type name 'mutex_t'
#include "pico/mutex.h"

pico_stdio_usb\stdio_usb.c:19:13: warning: function declaration isn't a prototype [-Wstrict-prototypes]
static void low_priority_worker_irq()