Factor and reorder init

mainly so the pin messages all come before the WiFi connect dance.

Grbl_Esp32/src/Grbl.cpp

@@ -91,6 +91,10 @@ void grbl_init() {
         }
         grbl_msg_sendf(CLIENT_SERIAL, MsgLevel::Info, "Initializing spindle...");
 
+        config->_coolant->init();
+        limits_init();
+        config->_probe->init();
+
 #ifdef ENABLE_WIFI
         grbl_msg_sendf(CLIENT_SERIAL, MsgLevel::Info, "Initializing WiFi-config...");
         WebUI::wifi_config.begin();
@@ -113,37 +117,11 @@ void grbl_init() {
 }
 
 static void reset_variables() {
-    // Reset system variables.
-    State prior_state = sys.state;
-    memset(&sys, 0, sizeof(system_t));  // Clear system struct variable.
-    sys.state             = prior_state;
-    sys.f_override        = FeedOverride::Default;              // Set to 100%
-    sys.r_override        = RapidOverride::Default;             // Set to 100%
-    sys.spindle_speed_ovr = SpindleSpeedOverride::Default;      // Set to 100%
-    memset(sys_probe_position, 0, sizeof(sys_probe_position));  // Clear probe position.
-
-    sys_probe_state                      = ProbeState::Off;
-    rtStatusReport                       = false;
-    rtCycleStart                         = false;
-    rtFeedHold                           = false;
-    rtReset                              = false;
-    rtSafetyDoor                         = false;
-    rtMotionCancel                       = false;
-    rtSleep                              = false;
-    rtCycleStop                          = false;
-    sys_rt_exec_accessory_override.value = 0;
-    sys_rt_exec_alarm                    = ExecAlarm::None;
-    sys_rt_f_override                    = FeedOverride::Default;
-    sys_rt_r_override                    = RapidOverride::Default;
-    sys_rt_s_override                    = SpindleSpeedOverride::Default;
-
     // Reset Grbl primary systems.
-    client_reset_read_buffer(CLIENT_ALL);  // Clear serial read buffer
+    system_reset();
+    protocol_reset();
     gc_init();  // Set g-code parser to default state
     config->_spindle->stop();
-    config->_coolant->init();
-    limits_init();
-    config->_probe->init();
     plan_reset();  // Clear block buffer and planner variables
     st_reset();    // Clear stepper subsystem variables
     // Sync cleared gcode and planner positions to current system position.

Grbl_Esp32/src/Protocol.cpp

@@ -101,6 +101,23 @@ bool can_park() {
         homingAxes() && !config->_laserMode;
 }
 
+void protocol_reset() {
+    sys_probe_state                      = ProbeState::Off;
+    rtStatusReport                       = false;
+    rtCycleStart                         = false;
+    rtFeedHold                           = false;
+    rtReset                              = false;
+    rtSafetyDoor                         = false;
+    rtMotionCancel                       = false;
+    rtSleep                              = false;
+    rtCycleStop                          = false;
+    sys_rt_exec_accessory_override.value = 0;
+    sys_rt_exec_alarm                    = ExecAlarm::None;
+    sys_rt_f_override                    = FeedOverride::Default;
+    sys_rt_r_override                    = RapidOverride::Default;
+    sys_rt_s_override                    = SpindleSpeedOverride::Default;
+}
+
 /*
   GRBL PRIMARY LOOP:
 */

Grbl_Esp32/src/Protocol.h

@@ -34,6 +34,8 @@
 #    define LINE_BUFFER_SIZE 256
 #endif
 
+void protocol_reset();
+
 // Starts Grbl main loop. It handles all incoming characters from the serial port and executes
 // them as they complete. It is also responsible for finishing the initialization procedures.
 void protocol_main_loop();

Grbl_Esp32/src/System.cpp

@@ -57,6 +57,17 @@ UserOutput::DigitalOutput* myDigitalOutputs[MaxUserDigitalPin];
 xQueueHandle control_sw_queue;    // used by control switch debouncing
 bool         debouncing = false;  // debouncing in process
 
+void system_reset() {
+    // Reset system variables.
+    State prior_state = sys.state;
+    memset(&sys, 0, sizeof(system_t));  // Clear system struct variable.
+    sys.state             = prior_state;
+    sys.f_override        = FeedOverride::Default;              // Set to 100%
+    sys.r_override        = RapidOverride::Default;             // Set to 100%
+    sys.spindle_speed_ovr = SpindleSpeedOverride::Default;      // Set to 100%
+    memset(sys_probe_position, 0, sizeof(sys_probe_position));  // Clear probe position.
+}
+
 void init_output_pins() {
     //customize pin definition if needed
 #if (GRBL_SPI_SS != -1) || (GRBL_SPI_MISO != -1) || (GRBL_SPI_MOSI != -1) || (GRBL_SPI_SCK != -1)

Grbl_Esp32/src/System.h

@@ -143,6 +143,8 @@ extern volatile bool sys_rt_exec_debug;
 
 void init_output_pins();  // Renamed from system_init() due to conflict with esp32 files
 
+void system_reset();
+
 // Execute the startup script lines stored in non-volatile storage upon initialization
 void  system_execute_startup(char* line);
 Error execute_line(char* line, uint8_t client, WebUI::AuthenticationLevel auth_level);