chiark / gitweb /
M206: save values in eeprom
[marlin.git] / Marlin / EEPROMwrite.h
1 #ifndef EEPROM_H
2 #define EEPROM_H
3
4 #include "Marlin.h"
5 #include "planner.h"
6 #include "temperature.h"
7 //#include <EEPROM.h>
8
9
10
11 template <class T> int EEPROM_writeAnything(int &ee, const T& value)
12 {
13   const byte* p = (const byte*)(const void*)&value;
14   int i;
15   for (i = 0; i < (int)sizeof(value); i++)
16     eeprom_write_byte((unsigned char *)ee++, *p++);
17   return i;
18 }
19
20 template <class T> int EEPROM_readAnything(int &ee, T& value)
21 {
22   byte* p = (byte*)(void*)&value;
23   int i;
24   for (i = 0; i < (int)sizeof(value); i++)
25     *p++ = eeprom_read_byte((unsigned char *)ee++);
26   return i;
27 }
28 //======================================================================================
29
30
31
32
33 #define EEPROM_OFFSET 100
34
35
36 // IMPORTANT:  Whenever there are changes made to the variables stored in EEPROM
37 // in the functions below, also increment the version number. This makes sure that
38 // the default values are used whenever there is a change to the data, to prevent
39 // wrong data being written to the variables.
40 // ALSO:  always make sure the variables in the Store and retrieve sections are in the same order.
41 #define EEPROM_VERSION "V06"
42
43 inline void EEPROM_StoreSettings() 
44 {
45 #ifdef EEPROM_SETTINGS
46   char ver[4]= "000";
47   int i=EEPROM_OFFSET;
48   EEPROM_writeAnything(i,ver); // invalidate data first 
49   EEPROM_writeAnything(i,axis_steps_per_unit);  
50   EEPROM_writeAnything(i,max_feedrate);  
51   EEPROM_writeAnything(i,max_acceleration_units_per_sq_second);
52   EEPROM_writeAnything(i,acceleration);
53   EEPROM_writeAnything(i,retract_acceleration);
54   EEPROM_writeAnything(i,minimumfeedrate);
55   EEPROM_writeAnything(i,mintravelfeedrate);
56   EEPROM_writeAnything(i,minsegmenttime);
57   EEPROM_writeAnything(i,max_xy_jerk);
58   EEPROM_writeAnything(i,max_z_jerk);
59   EEPROM_writeAnything(i,max_e_jerk);
60   EEPROM_writeAnything(i,add_homeing);
61   #ifdef PIDTEMP
62     EEPROM_writeAnything(i,Kp);
63     EEPROM_writeAnything(i,Ki);
64     EEPROM_writeAnything(i,Kd);
65   #else
66     EEPROM_writeAnything(i,3000);
67     EEPROM_writeAnything(i,0);
68     EEPROM_writeAnything(i,0);
69   #endif
70   char ver2[4]=EEPROM_VERSION;
71   i=EEPROM_OFFSET;
72   EEPROM_writeAnything(i,ver2); // validate data
73   SERIAL_ECHO_START;
74   SERIAL_ECHOLNPGM("Settings Stored");
75 #endif //EEPROM_SETTINGS
76 }
77
78
79 inline void EEPROM_printSettings()
80 {  // if def=true, the default values will be used
81   #ifdef EEPROM_SETTINGS  
82       SERIAL_ECHO_START;
83       SERIAL_ECHOLNPGM("Steps per unit:");
84       SERIAL_ECHO_START;
85       SERIAL_ECHOPAIR("  M92 X",axis_steps_per_unit[0]);
86       SERIAL_ECHOPAIR(" Y",axis_steps_per_unit[1]);
87       SERIAL_ECHOPAIR(" Z",axis_steps_per_unit[2]);
88       SERIAL_ECHOPAIR(" E",axis_steps_per_unit[3]);
89       SERIAL_ECHOLN("");
90       
91     SERIAL_ECHO_START;
92       SERIAL_ECHOLNPGM("Maximum feedrates (mm/s):");
93       SERIAL_ECHO_START;
94       SERIAL_ECHOPAIR("  M203 X",max_feedrate[0]);
95       SERIAL_ECHOPAIR(" Y",max_feedrate[1] ); 
96       SERIAL_ECHOPAIR(" Z", max_feedrate[2] ); 
97       SERIAL_ECHOPAIR(" E", max_feedrate[3]);
98       SERIAL_ECHOLN("");
99     SERIAL_ECHO_START;
100       SERIAL_ECHOLNPGM("Maximum Acceleration (mm/s2):");
101       SERIAL_ECHO_START;
102       SERIAL_ECHOPAIR("  M201 X" ,max_acceleration_units_per_sq_second[0] ); 
103       SERIAL_ECHOPAIR(" Y" , max_acceleration_units_per_sq_second[1] ); 
104       SERIAL_ECHOPAIR(" Z" ,max_acceleration_units_per_sq_second[2] );
105       SERIAL_ECHOPAIR(" E" ,max_acceleration_units_per_sq_second[3]);
106       SERIAL_ECHOLN("");
107     SERIAL_ECHO_START;
108       SERIAL_ECHOLNPGM("Acceleration: S=acceleration, T=retract acceleration");
109       SERIAL_ECHO_START;
110       SERIAL_ECHOPAIR("  M204 S",acceleration ); 
111       SERIAL_ECHOPAIR(" T" ,retract_acceleration);
112       SERIAL_ECHOLN("");
113     SERIAL_ECHO_START;
114       SERIAL_ECHOLNPGM("Advanced variables: S=Min feedrate (mm/s), T=Min travel feedrate (mm/s), B=minimum segment time (ms), X=maximum xY jerk (mm/s),  Z=maximum Z jerk (mm/s)");
115       SERIAL_ECHO_START;
116       SERIAL_ECHOPAIR("  M205 S",minimumfeedrate ); 
117       SERIAL_ECHOPAIR(" T" ,mintravelfeedrate ); 
118       SERIAL_ECHOPAIR(" B" ,minsegmenttime ); 
119       SERIAL_ECHOPAIR(" X" ,max_xy_jerk ); 
120       SERIAL_ECHOPAIR(" Z" ,max_z_jerk);
121       SERIAL_ECHOPAIR(" E" ,max_e_jerk);
122       SERIAL_ECHOLN(""); 
123     SERIAL_ECHO_START;
124       SERIAL_ECHOLNPGM("Home offset (mm):");
125       SERIAL_ECHO_START;
126       SERIAL_ECHOPAIR("  M206 X",add_homeing[0] );
127       SERIAL_ECHOPAIR(" Y" ,add_homeing[1] );
128       SERIAL_ECHOPAIR(" Z" ,add_homeing[2] );
129       SERIAL_ECHOLN("");
130     #ifdef PIDTEMP
131       SERIAL_ECHO_START;
132       SERIAL_ECHOLNPGM("PID settings:");
133       SERIAL_ECHO_START;
134       SERIAL_ECHOPAIR("   M301 P",Kp); 
135       SERIAL_ECHOPAIR(" I" ,Ki/PID_dT); 
136       SERIAL_ECHOPAIR(" D" ,Kd*PID_dT);
137       SERIAL_ECHOLN(""); 
138     #endif
139   #endif
140
141
142
143 inline void EEPROM_RetrieveSettings(bool def=false)
144 {  // if def=true, the default values will be used
145   #ifdef EEPROM_SETTINGS
146     int i=EEPROM_OFFSET;
147     char stored_ver[4];
148     char ver[4]=EEPROM_VERSION;
149     EEPROM_readAnything(i,stored_ver); //read stored version
150     //  SERIAL_ECHOLN("Version: [" << ver << "] Stored version: [" << stored_ver << "]");
151     if ((!def)&&(strncmp(ver,stored_ver,3)==0)) 
152     {   // version number match
153       EEPROM_readAnything(i,axis_steps_per_unit);  
154       EEPROM_readAnything(i,max_feedrate);  
155       EEPROM_readAnything(i,max_acceleration_units_per_sq_second);
156       EEPROM_readAnything(i,acceleration);
157       EEPROM_readAnything(i,retract_acceleration);
158       EEPROM_readAnything(i,minimumfeedrate);
159       EEPROM_readAnything(i,mintravelfeedrate);
160       EEPROM_readAnything(i,minsegmenttime);
161       EEPROM_readAnything(i,max_xy_jerk);
162       EEPROM_readAnything(i,max_z_jerk);
163       EEPROM_readAnything(i,max_e_jerk);
164       EEPROM_readAnything(i,add_homeing);
165       #ifndef PIDTEMP
166         float Kp,Ki,Kd;
167       #endif
168       EEPROM_readAnything(i,Kp);
169       EEPROM_readAnything(i,Ki);
170       EEPROM_readAnything(i,Kd);
171
172       SERIAL_ECHO_START;
173       SERIAL_ECHOLNPGM("Stored settings retreived:");
174     }
175     else 
176   #endif
177     {
178       float tmp1[]=DEFAULT_AXIS_STEPS_PER_UNIT;
179       float tmp2[]=DEFAULT_MAX_FEEDRATE;
180       long tmp3[]=DEFAULT_MAX_ACCELERATION;
181       for (short i=0;i<4;i++) 
182       {
183         axis_steps_per_unit[i]=tmp1[i];  
184         max_feedrate[i]=tmp2[i];  
185         max_acceleration_units_per_sq_second[i]=tmp3[i];
186       }
187       acceleration=DEFAULT_ACCELERATION;
188       retract_acceleration=DEFAULT_RETRACT_ACCELERATION;
189       minimumfeedrate=DEFAULT_MINIMUMFEEDRATE;
190       minsegmenttime=DEFAULT_MINSEGMENTTIME;       
191       mintravelfeedrate=DEFAULT_MINTRAVELFEEDRATE;
192       max_xy_jerk=DEFAULT_XYJERK;
193       max_z_jerk=DEFAULT_ZJERK;
194       max_e_jerk=DEFAULT_EJERK;
195       add_homeing[0] = add_homeing[1] = add_homeing[2] = 0;
196       SERIAL_ECHO_START;
197       SERIAL_ECHOLN("Using Default settings:");
198     }
199   #ifdef EEPROM_CHITCHAT
200     EEPROM_printSettings();
201   #endif
202 }  
203
204 #endif
205
206