diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp index a09ef4907..e1a9cd6e0 100644 --- a/Marlin/Marlin_main.cpp +++ b/Marlin/Marlin_main.cpp @@ -1740,14 +1740,15 @@ inline void gcode_G2_G3(bool clockwise) { inline void gcode_G4() { millis_t codenum = 0; - LCD_MESSAGEPGM(MSG_DWELL); - if (code_seen('P')) codenum = code_value_long(); // milliseconds to wait if (code_seen('S')) codenum = code_value_long() * 1000; // seconds to wait st_synchronize(); refresh_cmd_timeout(); codenum += previous_cmd_ms; // keep track of when we started waiting + + if (!lcd_hasstatus()) LCD_MESSAGEPGM(MSG_DWELL); + while (millis() < codenum) { manage_heater(); manage_inactivity(); diff --git a/Marlin/ultralcd.cpp b/Marlin/ultralcd.cpp index c96f09899..03da2366b 100644 --- a/Marlin/ultralcd.cpp +++ b/Marlin/ultralcd.cpp @@ -1418,6 +1418,8 @@ void set_utf_strlen(char *s, uint8_t n) { s[i] = 0; } +bool lcd_hasstatus() { return (lcd_status_message[0] != '\0'); } + void lcd_setstatus(const char* message, bool persist) { if (lcd_status_message_level > 0) return; strncpy(lcd_status_message, message, 3*LCD_WIDTH); diff --git a/Marlin/ultralcd.h b/Marlin/ultralcd.h index b8d5cba8a..97d939fa3 100644 --- a/Marlin/ultralcd.h +++ b/Marlin/ultralcd.h @@ -8,6 +8,7 @@ int lcd_strlen_P(const char *s); void lcd_update(); void lcd_init(); + bool lcd_hasstatus(); void lcd_setstatus(const char* message, const bool persist=false); void lcd_setstatuspgm(const char* message, const uint8_t level=0); void lcd_setalertstatuspgm(const char* message);