stm32f7: add support for stm32f7 and remram board

Signed-off-by: Frederic Morin <frederic.morin.8@gmail.com>

config/generic-remram.cfg

@@ -0,0 +1,117 @@
+# This file contains common pin mappings for remram boards. To use this
+# config, the firmware should be compiled for the ST stm32f765.
+
+# See docs/Config_Reference.md for a description of parameters.
+
+[mcu]
+serial: /dev/ttyACM0
+
+[printer]
+kinematics: cartesian
+max_velocity: 300
+max_accel: 3000
+max_z_velocity: 5
+max_z_accel: 100
+
+[stepper_x]
+step_pin: PA15
+dir_pin: PC10
+enable_pin: !PC12
+microsteps: 16
+rotation_distance: 40
+endstop_pin: ^!PB12  # X_MIN
+position_endstop: 0
+position_max: 200
+homing_speed: 10
+
+[tmc2130 stepper_x]
+cs_pin: PB1
+spi_bus: spi1
+run_current: 0.600
+stealthchop_threshold: 999999
+diag1_pin: ^!PC11
+
+[stepper_y]
+step_pin: PB3
+dir_pin: !PD6
+enable_pin: !PD4
+microsteps: 16
+rotation_distance: 40
+endstop_pin: ^!PB14  # Y_MIN
+position_endstop: 0
+position_max: 200
+homing_speed: 10
+
+[tmc2130 stepper_y]
+cs_pin: PB0
+spi_bus: spi1
+run_current: 0.600
+stealthchop_threshold: 999999
+diag1_pin: ^!PD5
+
+[stepper_z]
+step_pin: PB10
+dir_pin: PE13
+enable_pin: !PE15
+microsteps: 16
+rotation_distance: 8
+endstop_pin: ^!PD8  # Z_MIN
+position_endstop: 0.5
+position_max: 200
+homing_speed: 10
+
+[tmc2130 stepper_z]
+cs_pin: PC5
+spi_bus: spi1
+run_current: 0.600
+stealthchop_threshold: 999999
+diag1_pin: ^!PE14
+
+[extruder]
+step_pin: PB11
+dir_pin: PE10
+enable_pin: !PE11
+microsteps: 16
+rotation_distance: 33.500
+nozzle_diameter: 0.400
+filament_diameter: 1.750
+heater_pin: PA3  # HEATER
+sensor_type: Generic 3950
+sensor_pin: PC1  # TEMP2
+control: pid
+pid_Kp: 22.2
+pid_Ki: 1.08
+pid_Kd: 114
+min_temp: 0
+max_temp: 250
+
+[tmc2130 extruder]
+cs_pin: PC4
+spi_bus: spi1
+run_current: 0.600
+stealthchop_threshold: 999999
+diag1_pin: ^!PE12
+
+[heater_fan hotend_fan]
+pin: PA2  # FAN2
+
+[heater_bed]
+heater_pin: PA1  # BED OUT
+sensor_type: Generic 3950
+sensor_pin: PC0  # TEMP1
+control: watermark
+min_temp: 0
+max_temp: 130
+
+[fan]  # Print cooling fan.
+pin: PA0  # FAN1
+
+# [temperature_sensor temp3]
+# sensor_type: Generic 3950
+# sensor_pin: PC2  # TEMP3
+# min_temp: 0
+# max_temp: 300
+# gcode_id: temp3
+
+[static_digital_output yellow_led]
+pins: !PD0  # STATUS LED