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Extra comments to clarify EEPROM code

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This commit is contained in:
Scott Lahteine 2016-06-30 00:29:16 -07:00
parent 787f394676
commit 6b2a7b30af
1 changed files with 7 additions and 1 deletions
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8
Marlin/configuration_store.cpp
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@ -226,6 +226,7 @@ void Config_StoreSettings() {
EEPROM_WRITE_VAR(i, mesh_num_y); EEPROM_WRITE_VAR(i, mesh_num_y);
EEPROM_WRITE_VAR(i, mbl.z_values); EEPROM_WRITE_VAR(i, mbl.z_values);
#else #else
// For disabled MBL write a default mesh
uint8_t mesh_num_x = 3, uint8_t mesh_num_x = 3,
mesh_num_y = 3, mesh_num_y = 3,
dummy_uint8 = 0; dummy_uint8 = 0;
@ -242,6 +243,7 @@ void Config_StoreSettings() {
#endif #endif
EEPROM_WRITE_VAR(i, zprobe_zoffset); EEPROM_WRITE_VAR(i, zprobe_zoffset);
// 9 floats for DELTA / Z_DUAL_ENDSTOPS
#if ENABLED(DELTA) #if ENABLED(DELTA)
EEPROM_WRITE_VAR(i, endstop_adj); // 3 floats EEPROM_WRITE_VAR(i, endstop_adj); // 3 floats
EEPROM_WRITE_VAR(i, delta_radius); // 1 float EEPROM_WRITE_VAR(i, delta_radius); // 1 float
@ -409,12 +411,16 @@ void Config_RetrieveSettings() {
mbl.status = dummy_uint8; mbl.status = dummy_uint8;
mbl.z_offset = dummy; mbl.z_offset = dummy;
if (mesh_num_x == MESH_NUM_X_POINTS && mesh_num_y == MESH_NUM_Y_POINTS) { 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); EEPROM_READ_VAR(i, mbl.z_values);
} else { }
else {
// EEPROM data is stale
mbl.reset(); mbl.reset();
for (uint8_t q = 0; q < mesh_num_x * mesh_num_y; q++) EEPROM_READ_VAR(i, dummy); for (uint8_t q = 0; q < mesh_num_x * mesh_num_y; q++) EEPROM_READ_VAR(i, dummy);
} }
#else #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); for (uint8_t q = 0; q < mesh_num_x * mesh_num_y; q++) EEPROM_READ_VAR(i, dummy);
#endif // MESH_BED_LEVELING #endif // MESH_BED_LEVELING