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Merge pull request #4167 from thinkyhead/rc_eeprom_checksum 

EEPROM Checksum
pull/1/head
Scott Lahteine 9 years ago
committed by GitHub
parent
ba00615aa4 6b2a7b30af
commit
ac4f235912
1 changed files with 132 additions and 104 deletions
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  1. 226
      Marlin/configuration_store.cpp

226
Marlin/configuration_store.cpp
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@ -36,88 +36,93 @@
*
*/
#define EEPROM_VERSION "V23"
#define EEPROM_VERSION "V24"
// Change EEPROM version if these are changed:
#define EEPROM_OFFSET 100
#define MAX_EXTRUDERS 4
/**
* V23 EEPROM Layout:
* V24 EEPROM Layout:
*
* 100 Version (char x4)
* 104 EEPROM Checksum (uint16_t)
*
* 104 M92 XYZE planner.axis_steps_per_mm (float x4)
* 120 M203 XYZE planner.max_feedrate (float x4)
* 136 M201 XYZE planner.max_acceleration_mm_per_s2 (uint32_t x4)
* 152 M204 P planner.acceleration (float)
* 156 M204 R planner.retract_acceleration (float)
* 160 M204 T planner.travel_acceleration (float)
* 164 M205 S planner.min_feedrate (float)
* 168 M205 T planner.min_travel_feedrate (float)
* 172 M205 B planner.min_segment_time (ulong)
* 176 M205 X planner.max_xy_jerk (float)
* 180 M205 Z planner.max_z_jerk (float)
* 184 M205 E planner.max_e_jerk (float)
* 188 M206 XYZ home_offset (float x3)
* 106 M92 XYZE planner.axis_steps_per_mm (float x4)
* 122 M203 XYZE planner.max_feedrate (float x4)
* 138 M201 XYZE planner.max_acceleration_mm_per_s2 (uint32_t x4)
* 154 M204 P planner.acceleration (float)
* 158 M204 R planner.retract_acceleration (float)
* 162 M204 T planner.travel_acceleration (float)
* 166 M205 S planner.min_feedrate (float)
* 170 M205 T planner.min_travel_feedrate (float)
* 174 M205 B planner.min_segment_time (ulong)
* 178 M205 X planner.max_xy_jerk (float)
* 182 M205 Z planner.max_z_jerk (float)
* 186 M205 E planner.max_e_jerk (float)
* 190 M206 XYZ home_offset (float x3)
*
* Mesh bed leveling:
* 200 M420 S status (uint8)
* 201 z_offset (float)
* 205 mesh_num_x (uint8 as set in firmware)
* 206 mesh_num_y (uint8 as set in firmware)
* 207 G29 S3 XYZ z_values[][] (float x9, by default)
* 202 M420 S status (uint8)
* 203 z_offset (float)
* 207 mesh_num_x (uint8 as set in firmware)
* 208 mesh_num_y (uint8 as set in firmware)
* 209 G29 S3 XYZ z_values[][] (float x9, by default)
*
* AUTO BED LEVELING
* 243 M851 zprobe_zoffset (float)
* 245 M851 zprobe_zoffset (float)
*
* DELTA:
* 247 M666 XYZ endstop_adj (float x3)
* 259 M665 R delta_radius (float)
* 263 M665 L delta_diagonal_rod (float)
* 267 M665 S delta_segments_per_second (float)
* 271 M665 A delta_diagonal_rod_trim_tower_1 (float)
* 275 M665 B delta_diagonal_rod_trim_tower_2 (float)
* 279 M665 C delta_diagonal_rod_trim_tower_3 (float)
* 249 M666 XYZ endstop_adj (float x3)
* 261 M665 R delta_radius (float)
* 265 M665 L delta_diagonal_rod (float)
* 269 M665 S delta_segments_per_second (float)
* 273 M665 A delta_diagonal_rod_trim_tower_1 (float)
* 277 M665 B delta_diagonal_rod_trim_tower_2 (float)
* 281 M665 C delta_diagonal_rod_trim_tower_3 (float)
*
* Z_DUAL_ENDSTOPS:
* 283 M666 Z z_endstop_adj (float)
* 285 M666 Z z_endstop_adj (float)
*
* ULTIPANEL:
* 287 M145 S0 H plaPreheatHotendTemp (int)
* 289 M145 S0 B plaPreheatHPBTemp (int)
* 291 M145 S0 F plaPreheatFanSpeed (int)
* 293 M145 S1 H absPreheatHotendTemp (int)
* 295 M145 S1 B absPreheatHPBTemp (int)
* 297 M145 S1 F absPreheatFanSpeed (int)
* 289 M145 S0 H plaPreheatHotendTemp (int)
* 291 M145 S0 B plaPreheatHPBTemp (int)
* 293 M145 S0 F plaPreheatFanSpeed (int)
* 295 M145 S1 H absPreheatHotendTemp (int)
* 297 M145 S1 B absPreheatHPBTemp (int)
* 299 M145 S1 F absPreheatFanSpeed (int)
*
* PIDTEMP:
* 299 M301 E0 PIDC Kp[0], Ki[0], Kd[0], Kc[0] (float x4)
* 315 M301 E1 PIDC Kp[1], Ki[1], Kd[1], Kc[1] (float x4)
* 331 M301 E2 PIDC Kp[2], Ki[2], Kd[2], Kc[2] (float x4)
* 347 M301 E3 PIDC Kp[3], Ki[3], Kd[3], Kc[3] (float x4)
* 363 M301 L lpq_len (int)
* 301 M301 E0 PIDC Kp[0], Ki[0], Kd[0], Kc[0] (float x4)
* 317 M301 E1 PIDC Kp[1], Ki[1], Kd[1], Kc[1] (float x4)
* 333 M301 E2 PIDC Kp[2], Ki[2], Kd[2], Kc[2] (float x4)
* 349 M301 E3 PIDC Kp[3], Ki[3], Kd[3], Kc[3] (float x4)
* 365 M301 L lpq_len (int)
*
* PIDTEMPBED:
* 365 M304 PID thermalManager.bedKp, thermalManager.bedKi, thermalManager.bedKd (float x3)
* 367 M304 PID thermalManager.bedKp, thermalManager.bedKi, thermalManager.bedKd (float x3)
*
* DOGLCD:
* 377 M250 C lcd_contrast (int)
* 379 M250 C lcd_contrast (int)
*
* SCARA:
* 379 M365 XYZ axis_scaling (float x3)
* 381 M365 XYZ axis_scaling (float x3)
*
* FWRETRACT:
* 391 M209 S autoretract_enabled (bool)
* 392 M207 S retract_length (float)
* 396 M207 W retract_length_swap (float)
* 400 M207 F retract_feedrate_mm_s (float)
* 404 M207 Z retract_zlift (float)
* 408 M208 S retract_recover_length (float)
* 412 M208 W retract_recover_length_swap (float)
* 416 M208 F retract_recover_feedrate (float)
* 393 M209 S autoretract_enabled (bool)
* 394 M207 S retract_length (float)
* 398 M207 W retract_length_swap (float)
* 402 M207 F retract_feedrate_mm_s (float)
* 406 M207 Z retract_zlift (float)
* 410 M208 S retract_recover_length (float)
* 414 M208 W retract_recover_length_swap (float)
* 418 M208 F retract_recover_feedrate (float)
*
* Volumetric Extrusion:
* 420 M200 D volumetric_enabled (bool)
* 421 M200 T D filament_size (float x4) (T0..3)
* 422 M200 D volumetric_enabled (bool)
* 423 M200 T D filament_size (float x4) (T0..3)
*
* 437 This Slot is Available!
* 439 This Slot is Available!
*
*/
#include "Marlin.h"
@ -131,6 +136,9 @@
#include "mesh_bed_leveling.h"
#endif
uint16_t eeprom_checksum;
const char version[4] = EEPROM_VERSION;
void _EEPROM_writeData(int &pos, uint8_t* value, uint8_t size) {
uint8_t c;
while (size--) {
@ -140,39 +148,58 @@ void _EEPROM_writeData(int &pos, uint8_t* value, uint8_t size) {
SERIAL_ECHO_START;
SERIAL_ECHOLNPGM(MSG_ERR_EEPROM_WRITE);
}
eeprom_checksum += c;
pos++;
value++;
};
}
void _EEPROM_readData(int &pos, uint8_t* value, uint8_t size) {
do {
*value = eeprom_read_byte((unsigned char*)pos);
uint8_t c = eeprom_read_byte((unsigned char*)pos);
*value = c;
eeprom_checksum += c;
pos++;
value++;
} while (--size);
}
#define EEPROM_WRITE_VAR(pos, value) _EEPROM_writeData(pos, (uint8_t*)&value, sizeof(value))
#define EEPROM_READ_VAR(pos, value) _EEPROM_readData(pos, (uint8_t*)&value, sizeof(value))
/**
* Store Configuration Settings - M500
* Post-process after Retrieve or Reset
*/
void Config_Postprocess() {
// steps per s2 needs to be updated to agree with units per s2
planner.reset_acceleration_rates();
#define DUMMY_PID_VALUE 3000.0f
#if ENABLED(DELTA)
recalc_delta_settings(delta_radius, delta_diagonal_rod);
#endif
#define EEPROM_OFFSET 100
#if ENABLED(PIDTEMP)
thermalManager.updatePID();
#endif
calculate_volumetric_multipliers();
}
#if ENABLED(EEPROM_SETTINGS)
#define DUMMY_PID_VALUE 3000.0f
#define EEPROM_WRITE_VAR(pos, value) _EEPROM_writeData(pos, (uint8_t*)&value, sizeof(value))
#define EEPROM_READ_VAR(pos, value) _EEPROM_readData(pos, (uint8_t*)&value, sizeof(value))
/**
* Store Configuration Settings - M500
* M500 - Store Configuration
*/
void Config_StoreSettings() {
float dummy = 0.0f;
char ver[4] = "000";
int i = EEPROM_OFFSET;
EEPROM_WRITE_VAR(i, ver); // invalidate data first
i += sizeof(eeprom_checksum); // Skip the checksum slot
eeprom_checksum = 0; // clear before first "real data"
EEPROM_WRITE_VAR(i, planner.axis_steps_per_mm);
EEPROM_WRITE_VAR(i, planner.max_feedrate);
EEPROM_WRITE_VAR(i, planner.max_acceleration_mm_per_s2);
@ -199,6 +226,7 @@ void Config_StoreSettings() {
EEPROM_WRITE_VAR(i, mesh_num_y);
EEPROM_WRITE_VAR(i, mbl.z_values);
#else
// For disabled MBL write a default mesh
uint8_t mesh_num_x = 3,
mesh_num_y = 3,
dummy_uint8 = 0;
@ -215,6 +243,7 @@ void Config_StoreSettings() {
#endif
EEPROM_WRITE_VAR(i, zprobe_zoffset);
// 9 floats for DELTA / Z_DUAL_ENDSTOPS
#if ENABLED(DELTA)
EEPROM_WRITE_VAR(i, endstop_adj); // 3 floats
EEPROM_WRITE_VAR(i, delta_radius); // 1 float
@ -244,7 +273,7 @@ void Config_StoreSettings() {
EEPROM_WRITE_VAR(i, absPreheatHPBTemp);
EEPROM_WRITE_VAR(i, absPreheatFanSpeed);
for (uint8_t e = 0; e < 4; e++) {
for (uint8_t e = 0; e < MAX_EXTRUDERS; e++) {
#if ENABLED(PIDTEMP)
if (e < HOTENDS) {
@ -319,14 +348,16 @@ void Config_StoreSettings() {
EEPROM_WRITE_VAR(i, volumetric_enabled);
// Save filament sizes
for (uint8_t q = 0; q < 4; q++) {
for (uint8_t q = 0; q < MAX_EXTRUDERS; q++) {
if (q < EXTRUDERS) dummy = filament_size[q];
EEPROM_WRITE_VAR(i, dummy);
}
char ver2[4] = EEPROM_VERSION;
uint16_t final_checksum = eeprom_checksum;
int j = EEPROM_OFFSET;
EEPROM_WRITE_VAR(j, ver2); // validate data
EEPROM_WRITE_VAR(j, version);
EEPROM_WRITE_VAR(j, final_checksum);
// Report storage size
SERIAL_ECHO_START;
@ -335,33 +366,31 @@ void Config_StoreSettings() {
}
/**
* Retrieve Configuration Settings - M501
* M501 - Retrieve Configuration
*/
void Config_RetrieveSettings() {
int i = EEPROM_OFFSET;
char stored_ver[4];
char ver[4] = EEPROM_VERSION;
EEPROM_READ_VAR(i, stored_ver); //read stored version
uint16_t stored_checksum;
EEPROM_READ_VAR(i, stored_ver);
EEPROM_READ_VAR(i, stored_checksum);
// SERIAL_ECHOPAIR("Version: [", ver);
// SERIAL_ECHOPAIR("] Stored version: [", stored_ver);
// SERIAL_ECHOLNPGM("]");
if (strncmp(ver, stored_ver, 3) != 0) {
if (strncmp(version, stored_ver, 3) != 0) {
Config_ResetDefault();
}
else {
float dummy = 0;
eeprom_checksum = 0; // clear before reading first "real data"
// version number match
EEPROM_READ_VAR(i, planner.axis_steps_per_mm);
EEPROM_READ_VAR(i, planner.max_feedrate);
EEPROM_READ_VAR(i, planner.max_acceleration_mm_per_s2);
// steps per sq second need to be updated to agree with the units per sq second (as they are what is used in the planner)
planner.reset_acceleration_rates();
EEPROM_READ_VAR(i, planner.acceleration);
EEPROM_READ_VAR(i, planner.retract_acceleration);
EEPROM_READ_VAR(i, planner.travel_acceleration);
@ -382,12 +411,16 @@ void Config_RetrieveSettings() {
mbl.status = dummy_uint8;
mbl.z_offset = dummy;
if (mesh_num_x == MESH_NUM_X_POINTS && mesh_num_y == MESH_NUM_Y_POINTS) {
// EEPROM data fits the current mesh
EEPROM_READ_VAR(i, mbl.z_values);
} else {
}
else {
// EEPROM data is stale
mbl.reset();
for (uint8_t q = 0; q < mesh_num_x * mesh_num_y; q++) EEPROM_READ_VAR(i, dummy);
}
#else
// MBL is disabled - skip the stored data
for (uint8_t q = 0; q < mesh_num_x * mesh_num_y; q++) EEPROM_READ_VAR(i, dummy);
#endif // MESH_BED_LEVELING
@ -404,7 +437,6 @@ void Config_RetrieveSettings() {
EEPROM_READ_VAR(i, delta_diagonal_rod_trim_tower_1); // 1 float
EEPROM_READ_VAR(i, delta_diagonal_rod_trim_tower_2); // 1 float
EEPROM_READ_VAR(i, delta_diagonal_rod_trim_tower_3); // 1 float
recalc_delta_settings(delta_radius, delta_diagonal_rod);
#elif ENABLED(Z_DUAL_ENDSTOPS)
EEPROM_READ_VAR(i, z_endstop_adj);
dummy = 0.0f;
@ -427,7 +459,7 @@ void Config_RetrieveSettings() {
EEPROM_READ_VAR(i, absPreheatFanSpeed);
#if ENABLED(PIDTEMP)
for (uint8_t e = 0; e < 4; e++) { // 4 = max extruders currently supported by Marlin
for (uint8_t e = 0; e < MAX_EXTRUDERS; e++) {
EEPROM_READ_VAR(i, dummy); // Kp
if (e < HOTENDS && dummy != DUMMY_PID_VALUE) {
// do not need to scale PID values as the values in EEPROM are already scaled
@ -446,7 +478,7 @@ void Config_RetrieveSettings() {
}
#else // !PIDTEMP
// 4 x 4 = 16 slots for PID parameters
for (uint8_t q=16; q--;) EEPROM_READ_VAR(i, dummy); // 4x Kp, Ki, Kd, Kc
for (uint8_t q = MAX_EXTRUDERS * 4; q--;) EEPROM_READ_VAR(i, dummy); // Kp, Ki, Kd, Kc
#endif // !PIDTEMP
#if DISABLED(PID_ADD_EXTRUSION_RATE)
@ -497,21 +529,24 @@ void Config_RetrieveSettings() {
EEPROM_READ_VAR(i, volumetric_enabled);
for (uint8_t q = 0; q < 4; q++) {
for (uint8_t q = 0; q < MAX_EXTRUDERS; q++) {
EEPROM_READ_VAR(i, dummy);
if (q < EXTRUDERS) filament_size[q] = dummy;
}
calculate_volumetric_multipliers();
// Call thermalManager.updatePID (similar to when we have processed M301)
thermalManager.updatePID();
// Report settings retrieved and length
if (eeprom_checksum == stored_checksum) {
Config_Postprocess();
SERIAL_ECHO_START;
SERIAL_ECHO(ver);
SERIAL_ECHO(version);
SERIAL_ECHOPAIR(" stored settings retrieved (", i);
SERIAL_ECHOLNPGM(" bytes)");
}
else {
SERIAL_ERROR_START;
SERIAL_ERRORLNPGM("EEPROM checksum mismatch");
Config_ResetDefault();
}
}
#if ENABLED(EEPROM_CHITCHAT)
Config_PrintSettings();
@ -521,9 +556,8 @@ void Config_RetrieveSettings() {
#endif // EEPROM_SETTINGS
/**
* Reset Configuration Settings - M502
* M502 - Reset Configuration
*/
void Config_ResetDefault() {
float tmp1[] = DEFAULT_AXIS_STEPS_PER_UNIT;
float tmp2[] = DEFAULT_MAX_FEEDRATE;
@ -538,9 +572,6 @@ void Config_ResetDefault() {
#endif
}
// steps per sq second need to be updated to agree with the units per sq second
planner.reset_acceleration_rates();
planner.acceleration = DEFAULT_ACCELERATION;
planner.retract_acceleration = DEFAULT_RETRACT_ACCELERATION;
planner.travel_acceleration = DEFAULT_TRAVEL_ACCELERATION;
@ -568,7 +599,6 @@ void Config_ResetDefault() {
delta_diagonal_rod_trim_tower_1 = DELTA_DIAGONAL_ROD_TRIM_TOWER_1;
delta_diagonal_rod_trim_tower_2 = DELTA_DIAGONAL_ROD_TRIM_TOWER_2;
delta_diagonal_rod_trim_tower_3 = DELTA_DIAGONAL_ROD_TRIM_TOWER_3;
recalc_delta_settings(delta_radius, delta_diagonal_rod);
#elif ENABLED(Z_DUAL_ENDSTOPS)
z_endstop_adj = 0;
#endif
@ -603,8 +633,6 @@ void Config_ResetDefault() {
#if ENABLED(PID_ADD_EXTRUSION_RATE)
lpq_len = 20; // default last-position-queue size
#endif
// call thermalManager.updatePID (similar to when we have processed M301)
thermalManager.updatePID();
#endif // PIDTEMP
#if ENABLED(PIDTEMPBED)
@ -631,7 +659,8 @@ void Config_ResetDefault() {
volumetric_enabled = false;
for (uint8_t q = 0; q < COUNT(filament_size); q++)
filament_size[q] = DEFAULT_NOMINAL_FILAMENT_DIA;
calculate_volumetric_multipliers();
Config_Postprocess();
SERIAL_ECHO_START;
SERIAL_ECHOLNPGM("Hardcoded Default Settings Loaded");
@ -639,12 +668,11 @@ void Config_ResetDefault() {
#if DISABLED(DISABLE_M503)
/**
* Print Configuration Settings - M503
*/
#define CONFIG_ECHO_START do{ if (!forReplay) SERIAL_ECHO_START; }while(0)
/**
* M503 - Print Configuration
*/
void Config_PrintSettings(bool forReplay) {
// Always have this function, even with EEPROM_SETTINGS disabled, the current values will be shown

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