Move M907-M910 to cpp

2017-09-17 18:45:21 -05:00
parent 2e89685154
commit 6e0503eab2
9 changed files with 101 additions and 58 deletions
--- a/Marlin/src/feature/digipot/digipot.h
+++ b/Marlin/src/feature/digipot/digipot.h
@@ -0,0 +1,29 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef __DIGIPOT_H__
+#define __DIGIPOT_H__
+
+void digipot_i2c_set_current(const uint8_t channel, const float current);
+void digipot_i2c_init();
+
+#endif // __DIGIPOT_H__
--- a/Marlin/src/feature/digipot/digipot_mcp4018.cpp
+++ b/Marlin/src/feature/digipot/digipot_mcp4018.cpp
@@ -0,0 +1,106 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "../../inc/MarlinConfig.h"
+
+#if ENABLED(DIGIPOT_I2C) && ENABLED(DIGIPOT_MCP4018)
+
+#include "../../core/enum.h"
+#include "Stream.h"
+#include "utility/twi.h"
+#include <SlowSoftI2CMaster.h>  //https://github.com/stawel/SlowSoftI2CMaster
+
+// Settings for the I2C based DIGIPOT (MCP4018) based on WT150
+
+#define DIGIPOT_I2C_ADDRESS             0x2F
+
+#define DIGIPOT_A4988_Rsx               0.250
+#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))
+#define DIGIPOT_A4988_MAX_CURRENT       2.0
+
+static byte current_to_wiper(const float 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] = {
+  DIGIPOTS_I2C_SDA_X
+  #if DIGIPOT_I2C_NUM_CHANNELS > 1
+    , DIGIPOTS_I2C_SDA_Y
+    #if DIGIPOT_I2C_NUM_CHANNELS > 2
+      , DIGIPOTS_I2C_SDA_Z
+      #if DIGIPOT_I2C_NUM_CHANNELS > 3
+        , DIGIPOTS_I2C_SDA_E0
+        #if DIGIPOT_I2C_NUM_CHANNELS > 4
+          , DIGIPOTS_I2C_SDA_E1
+        #endif
+      #endif
+    #endif
+  #endif
+};
+
+static SlowSoftI2CMaster pots[DIGIPOT_I2C_NUM_CHANNELS] = {
+  SlowSoftI2CMaster { sda_pins[X_AXIS], DIGIPOTS_I2C_SCL }
+  #if DIGIPOT_I2C_NUM_CHANNELS > 1
+    , SlowSoftI2CMaster { sda_pins[Y_AXIS], DIGIPOTS_I2C_SCL }
+    #if DIGIPOT_I2C_NUM_CHANNELS > 2
+      , SlowSoftI2CMaster { sda_pins[Z_AXIS], DIGIPOTS_I2C_SCL }
+      #if DIGIPOT_I2C_NUM_CHANNELS > 3
+        , SlowSoftI2CMaster { sda_pins[E_AXIS], DIGIPOTS_I2C_SCL }
+        #if DIGIPOT_I2C_NUM_CHANNELS > 4
+          , SlowSoftI2CMaster { sda_pins[E_AXIS + 1], DIGIPOTS_I2C_SCL }
+        #endif
+      #endif
+    #endif
+  #endif
+};
+
+static void i2c_send(const uint8_t channel, const byte v) {
+  if (WITHIN(channel, 0, DIGIPOT_I2C_NUM_CHANNELS - 1)) {
+    pots[channel].i2c_start(((DIGIPOT_I2C_ADDRESS) << 1) | I2C_WRITE);
+    pots[channel].i2c_write(v);
+    pots[channel].i2c_stop();
+  }
+}
+
+// This is for the MCP4018 I2C based digipot
+void digipot_i2c_set_current(const uint8_t channel, const float current) {
+  i2c_send(channel, current_to_wiper(min(max(current, 0.0f), float(DIGIPOT_A4988_MAX_CURRENT))));
+}
+
+void digipot_i2c_init() {
+  static const float digipot_motor_current[] PROGMEM = DIGIPOT_I2C_MOTOR_CURRENTS;
+
+  for (uint8_t i = 0; i < DIGIPOT_I2C_NUM_CHANNELS; i++)
+    pots[i].i2c_init();
+
+  // setup initial currents as defined in Configuration_adv.h
+  for (uint8_t i = 0; i < COUNT(digipot_motor_current); i++)
+    digipot_i2c_set_current(i, pgm_read_float(&digipot_motor_current[i]));
+}
+
+#endif // DIGIPOT_I2C && DIGIPOT_MCP4018
--- a/Marlin/src/feature/digipot/digipot_mcp4451.cpp
+++ b/Marlin/src/feature/digipot/digipot_mcp4451.cpp
@@ -0,0 +1,74 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "../../inc/MarlinConfig.h"
+
+#if ENABLED(DIGIPOT_I2C) && DISABLED(DIGIPOT_MCP4018)
+
+#include "Stream.h"
+#include "utility/twi.h"
+#include <Wire.h>
+
+// Settings for the I2C based DIGIPOT (MCP4451) on Azteeg X3 Pro
+#if MB(5DPRINT)
+  #define DIGIPOT_I2C_FACTOR 117.96
+  #define DIGIPOT_I2C_MAX_CURRENT 1.736
+#else
+  #define DIGIPOT_I2C_FACTOR 106.7
+  #define DIGIPOT_I2C_MAX_CURRENT 2.5
+#endif
+
+static byte current_to_wiper(const float current) {
+  return byte(CEIL(float((DIGIPOT_I2C_FACTOR * current))));
+}
+
+static void i2c_send(const byte addr, const byte a, const byte b) {
+  Wire.beginTransmission(addr);
+  Wire.write(a);
+  Wire.write(b);
+  Wire.endTransmission();
+}
+
+// This is for the MCP4451 I2C based digipot
+void digipot_i2c_set_current(const uint8_t channel, const float current) {
+  // these addresses are specific to Azteeg X3 Pro, can be set to others,
+  // In this case first digipot is at address A0=0, A1= 0, second one is at A0=0, A1= 1
+  const byte addr = channel < 4 ? 0x2C : 0x2E; // channel 0-3 vs 4-7
+
+  // Initial setup
+  i2c_send(addr, 0x40, 0xFF);
+  i2c_send(addr, 0xA0, 0xFF);
+
+  // Set actual wiper value
+  byte addresses[4] = { 0x00, 0x10, 0x60, 0x70 };
+  i2c_send(addr, addresses[channel & 0x3], current_to_wiper(min((float) max(current, 0.0f), DIGIPOT_I2C_MAX_CURRENT)));
+}
+
+void digipot_i2c_init() {
+  static const float digipot_motor_current[] PROGMEM = DIGIPOT_I2C_MOTOR_CURRENTS;
+  Wire.begin();
+  // setup initial currents as defined in Configuration_adv.h
+  for (uint8_t i = 0; i < COUNT(digipot_motor_current); i++)
+    digipot_i2c_set_current(i, pgm_read_float(&digipot_motor_current[i]));
+}
+
+#endif // DIGIPOT_I2C