From 1e47c17b462bce00fe45c379ff4460d49fcd1c22 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pawe=C5=82=20Stawicki?= Date: Thu, 15 Jun 2017 16:45:44 +0200 Subject: [PATCH] Fix: set digipot mcp4018 Vrefmax to 1.666V --- Marlin/digipot_mcp4018.cpp | 8 +- .../wt150/Configuration.h | 29 ++++-- .../wt150/Configuration_adv.h | 95 ++++++++++++++++++- 3 files changed, 118 insertions(+), 14 deletions(-) diff --git a/Marlin/digipot_mcp4018.cpp b/Marlin/digipot_mcp4018.cpp index db8070a73..06622d057 100644 --- a/Marlin/digipot_mcp4018.cpp +++ b/Marlin/digipot_mcp4018.cpp @@ -34,17 +34,17 @@ #define DIGIPOT_I2C_ADDRESS 0x2F #define DIGIPOT_A4988_Rsx 0.250 -#define DIGIPOT_A4988_Vrefmax 5.0 +#define DIGIPOT_A4988_Vrefmax 1.666 #define DIGIPOT_A4988_MAX_VALUE 127 #define DIGIPOT_A4988_Itripmax(Vref) ((Vref)/(8.0*DIGIPOT_A4988_Rsx)) #define DIGIPOT_A4988_FACTOR ((DIGIPOT_A4988_MAX_VALUE)/DIGIPOT_A4988_Itripmax(DIGIPOT_A4988_Vrefmax)) -//TODO: MAX_CURRENT -0.5A ?? (currently set to 2A, max possible current 2.5A) -#define DIGIPOT_A4988_MAX_CURRENT (DIGIPOT_A4988_Itripmax(DIGIPOT_A4988_Vrefmax) - 0.5) +#define DIGIPOT_A4988_MAX_CURRENT 2.0 static byte current_to_wiper(const float current) { - return byte(CEIL(float(DIGIPOT_A4988_FACTOR) * current)); + const int16_t value = ceil(float(DIGIPOT_A4988_FACTOR) * current); + return byte(constrain(value, 0, DIGIPOT_A4988_MAX_VALUE)); } const uint8_t sda_pins[DIGIPOT_I2C_NUM_CHANNELS] = { diff --git a/Marlin/example_configurations/wt150/Configuration.h b/Marlin/example_configurations/wt150/Configuration.h index 2ec162abf..3f62e5aeb 100644 --- a/Marlin/example_configurations/wt150/Configuration.h +++ b/Marlin/example_configurations/wt150/Configuration.h @@ -58,8 +58,8 @@ //=========================================================================== //============================= DELTA Printer =============================== //=========================================================================== -// For Delta printers start with one of the configuration files in the -// example_configurations/delta directory and customize for your machine. +// For a Delta printer replace the configuration files with the files in the +// example_configurations/delta directory. // //=========================================================================== @@ -311,13 +311,13 @@ // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max. #define K1 0.95 //smoothing factor within the PID + // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it + //WT150, based on: M303 E0 S220 C8 #define DEFAULT_Kp 22.10 #define DEFAULT_Ki 1.10 #define DEFAULT_Kd 110.78 - // If you are using a pre-configured hotend then you can use one of the value sets by uncommenting it - // Ultimaker //#define DEFAULT_Kp 22.2 //#define DEFAULT_Ki 1.08 @@ -534,6 +534,7 @@ #define DEFAULT_ZJERK 0.4 #define DEFAULT_EJERK 5.0 + //=========================================================================== //============================= Z Probe Options ============================= //=========================================================================== @@ -575,7 +576,7 @@ * Probe Type * * Allen Key Probes, Servo Probes, Z-Sled Probes, FIX_MOUNTED_PROBE, etc. - * Activate one of these to use Auto Bed Leveling below. + * You must activate one of these to use Auto Bed Leveling below. */ /** @@ -1492,7 +1493,23 @@ //define PCA9632 PWM LED driver Support //#define PCA9632 -// Support for an RGB LED using 3 separate pins with optional PWM +/** + * RGB LED / LED Strip Control + * + * Enable support for an RGB LED connected to 5V digital pins, or + * an RGB Strip connected to MOSFETs controlled by digital pins. + * + * Adds the M150 command to set the LED (or LED strip) color. + * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of + * luminance values can be set from 0 to 255. + * + * *** CAUTION *** + * LED Strips require a MOFSET Chip between PWM lines and LEDs, + * as the Arduino cannot handle the current the LEDs will require. + * Failure to follow this precaution can destroy your Arduino! + * *** CAUTION *** + * + */ //#define RGB_LED //#define RGBW_LED #if ENABLED(RGB_LED) || ENABLED(RGBW_LED) diff --git a/Marlin/example_configurations/wt150/Configuration_adv.h b/Marlin/example_configurations/wt150/Configuration_adv.h index 83c683f05..f52325e9b 100644 --- a/Marlin/example_configurations/wt150/Configuration_adv.h +++ b/Marlin/example_configurations/wt150/Configuration_adv.h @@ -428,7 +428,7 @@ #define DIGIPOT_MCP4018 // Requires library from https://github.com/stawel/SlowSoftI2CMaster #define DIGIPOT_I2C_NUM_CHANNELS 5 // 5DPRINT: 4 AZTEEG_X3_PRO: 8 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS -#define DIGIPOT_I2C_MOTOR_CURRENTS {0.68, 0.68, 1.18, 1.27, 1.27} +#define DIGIPOT_I2C_MOTOR_CURRENTS {0.22, 0.22, 0.39, 0.42, 0.42} //=========================================================================== //=============================Additional Features=========================== @@ -670,6 +670,10 @@ #define UBL_MESH_MAX_X (X_MAX_POS - (UBL_MESH_INSET)) #define UBL_MESH_MIN_Y (Y_MIN_POS + UBL_MESH_INSET) #define UBL_MESH_MAX_Y (Y_MAX_POS - (UBL_MESH_INSET)) + + // If this is defined, the currently active mesh will be saved in the + // current slot on M500. + #define UBL_SAVE_ACTIVE_ON_M500 #endif // @section extras @@ -795,7 +799,7 @@ // Longer length for bowden printers to unload filament from whole bowden tube, // shorter length for printers without bowden to unload filament from extruder only, // 0 to disable unloading for manual unloading - #define FILAMENT_CHANGE_LOAD_FEEDRATE 10 // Load filament feedrate in mm/s - filament loading into the bowden tube can be fast + #define FILAMENT_CHANGE_LOAD_FEEDRATE 6 // Load filament feedrate in mm/s - filament loading into the bowden tube can be fast #define FILAMENT_CHANGE_LOAD_LENGTH 0 // Load filament length over hotend in mm // Longer length for bowden printers to fast load filament into whole bowden tube over the hotend, // Short or zero length for printers without bowden where loading is not used @@ -1260,8 +1264,91 @@ #define USER_DESC_4 "Heat Bed/Home/Level" #define USER_GCODE_4 "M140 S" STRINGIFY(PREHEAT_2_TEMP_BED) "\nG28\nG29" - //#define USER_DESC_5 "Home & Info" - //#define USER_GCODE_5 "G28\nM503" + #define USER_DESC_5 "Home & Info" + #define USER_GCODE_5 "G28\nM503" +#endif + +//=========================================================================== +//============================ I2C Encoder Settings ========================= +//=========================================================================== +/** + * I2C position encoders for closed loop control. + * Developed by Chris Barr at Aus3D. + * + * Wiki: http://wiki.aus3d.com.au/Magnetic_Encoder + * Github: https://github.com/Aus3D/MagneticEncoder + * + * Supplier: http://aus3d.com.au/magnetic-encoder-module + * Alternative Supplier: http://reliabuild3d.com/ + * + * Reilabuild encoders have been modified to improve reliability. + */ + +//#define I2C_POSITION_ENCODERS +#if ENABLED(I2C_POSITION_ENCODERS) + + #define I2CPE_ENCODER_CNT 1 // The number of encoders installed; max of 5 + // encoders supported currently. + + #define I2CPE_ENC_1_ADDR I2CPE_PRESET_ADDR_X // I2C address of the encoder. 30-200. + #define I2CPE_ENC_1_AXIS X_AXIS // Axis the encoder module is installed on. _AXIS. + #define I2CPE_ENC_1_TYPE I2CPE_ENC_TYPE_LINEAR // Type of encoder: I2CPE_ENC_TYPE_LINEAR -or- + // I2CPE_ENC_TYPE_ROTARY. + #define I2CPE_ENC_1_TICKS_UNIT 2048 // 1024 for magnetic strips with 2mm poles; 2048 for + // 1mm poles. For linear encoders this is ticks / mm, + // for rotary encoders this is ticks / revolution. + //#define I2CPE_ENC_1_TICKS_REV (16 * 200) // Only needed for rotary encoders; number of stepper + // steps per full revolution (motor steps/rev * microstepping) + //#define I2CPE_ENC_1_INVERT // Invert the direction of axis travel. + #define I2CPE_ENC_1_EC_METHOD I2CPE_ECM_NONE // Type of error error correction. + #define I2CPE_ENC_1_EC_THRESH 0.10 // Threshold size for error (in mm) above which the + // printer will attempt to correct the error; errors + // smaller than this are ignored to minimize effects of + // measurement noise / latency (filter). + + #define I2CPE_ENC_2_ADDR I2CPE_PRESET_ADDR_Y // Same as above, but for encoder 2. + #define I2CPE_ENC_2_AXIS Y_AXIS + #define I2CPE_ENC_2_TYPE I2CPE_ENC_TYPE_LINEAR + #define I2CPE_ENC_2_TICKS_UNIT 2048 + //#define I2CPE_ENC_2_TICKS_REV (16 * 200) + //#define I2CPE_ENC_2_INVERT + #define I2CPE_ENC_2_EC_METHOD I2CPE_ECM_NONE + #define I2CPE_ENC_2_EC_THRESH 0.10 + + #define I2CPE_ENC_3_ADDR I2CPE_PRESET_ADDR_Z // Encoder 3. Add additional configuration options + #define I2CPE_ENC_3_AXIS Z_AXIS // as above, or use defaults below. + + #define I2CPE_ENC_4_ADDR I2CPE_PRESET_ADDR_E // Encoder 4. + #define I2CPE_ENC_4_AXIS E_AXIS + + #define I2CPE_ENC_5_ADDR 34 // Encoder 5. + #define I2CPE_ENC_5_AXIS E_AXIS + + // Default settings for encoders which are enabled, but without settings configured above. + #define I2CPE_DEF_TYPE I2CPE_ENC_TYPE_LINEAR + #define I2CPE_DEF_ENC_TICKS_UNIT 2048 + #define I2CPE_DEF_TICKS_REV (16 * 200) + #define I2CPE_DEF_EC_METHOD I2CPE_ECM_NONE + #define I2CPE_DEF_EC_THRESH 0.1 + + //#define I2CPE_ERR_THRESH_ABORT 100.0 // Threshold size for error (in mm) error on any given + // axis after which the printer will abort. Comment out to + // disable abort behaviour. + + #define I2CPE_TIME_TRUSTED 10000 // After an encoder fault, there must be no further fault + // for this amount of time (in ms) before the encoder + // is trusted again. + + /** + * Position is checked every time a new command is executed from the buffer but during long moves, + * this setting determines the minimum update time between checks. A value of 100 works well with + * error rolling average when attempting to correct only for skips and not for vibration. + */ + #define I2CPE_MIN_UPD_TIME_MS 100 // Minimum time in miliseconds between encoder checks. + + // Use a rolling average to identify persistant errors that indicate skips, as opposed to vibration and noise. + #define I2CPE_ERR_ROLLING_AVERAGE + #endif //===========================================================================