extern uint8_t vu_on, vu_value, vu_tmp_value;
extern uint8_t adc_stampa;

extern uint8_t uart_sent;

// ################

void squeow_ui_init(void);

int serial_write_DMA(char *ptr, int len);
int serial_write(char *ptr, int len);
void vu_stampa(void);
void stampa_adc();

void seriow_var_dump(void);
void seriow_stab_dump(void);
void seriow_log(uint8_t sev, char *msg);