40#if !defined(_ECHO_MONITOR_H_)
41#define _ECHO_MONITOR_H_
43#if defined(__cplusplus)
48int start_echo_can_monitor(
int len);
49int echo_can_monitor_can_update(
const int16_t *coeffs,
int len);
50int echo_can_monitor_line_model_update(
const int32_t *coeffs,
int len);
51int echo_can_monitor_line_spectrum_update(
const int16_t amp[],
int len);
52void echo_can_monitor_wait_to_end(
void);
53void echo_can_monitor_update_display(
void);
55#if defined(__cplusplus)