From bf5c391e310ff1a6a1ea7b7283b1870edbac9d77 Mon Sep 17 00:00:00 2001
From: lokiagent <75763148+lokiagent@users.noreply.github.com>
Date: Tue, 22 Oct 2024 15:01:12 -0700
Subject: [PATCH] Add BTT SB2209 USB Toolhead

Add in mcu definitions file and user template for BTT SB2209 USB Toolhead.
---
 .../toolhead/BTT_SB2209_USB_v1.0.cfg          |  23 ++++
 .../toolhead/BTT_SB2209_USB_v1.0.cfg          | 116 ++++++++++++++++++
 2 files changed, 139 insertions(+)
 create mode 100644 config/mcu_definitions/toolhead/BTT_SB2209_USB_v1.0.cfg
 create mode 100644 user_templates/mcu_defaults/toolhead/BTT_SB2209_USB_v1.0.cfg

diff --git a/config/mcu_definitions/toolhead/BTT_SB2209_USB_v1.0.cfg b/config/mcu_definitions/toolhead/BTT_SB2209_USB_v1.0.cfg
new file mode 100644
index 000000000..451afcc85
--- /dev/null
+++ b/config/mcu_definitions/toolhead/BTT_SB2209_USB_v1.0.cfg
@@ -0,0 +1,23 @@
+[board_pins toolhead_manufacturer]
+mcu: toolhead
+aliases:
+
+    MCU_E0_STEP=gpio18 , MCU_E0_DIR=gpio19 , MCU_E0_EN=gpio17 , MCU_E0_UART=gpio20 ,
+
+    MCU_ENDSTOP=gpio13 ,
+    MCU_PROBE1=gpio21  , MCU_PROBE2=gpio22 ,
+
+    MCU_HE0=gpio7  ,
+    MCU_TH0=gpio26 ,
+    MCU_NTC=gpio27 ,
+
+    MCU_IND=gpio6         , MCU_FAN=gpio5        ,
+    MCU_FAN1_PWM=gpio14   , MCU_FAN2_PWM=gpio4   ,
+    MCU_4WFAN_TACH=gpio12 , MCU_4WFAN_PWM=gpio16 ,
+
+    MCU_LIS2DW_MISO=gpio0 , MCU_LIS2DW_CS=gpio1     , MCU_LIS2DW_CK=gpio2  , 
+    MCU_LIS2DW_MOSI=gpio3 , MCU_LIS2DW_INT1=gpio25  , MCU_LIS2DW_SPI=spi0a ,
+    
+    MCU_I2C_SCL=gpio29    , MCU_I2C_SDA=gpio28      ,
+
+    MCU_RGB=gpio15        , MCU_STATUS=gpio24
\ No newline at end of file
diff --git a/user_templates/mcu_defaults/toolhead/BTT_SB2209_USB_v1.0.cfg b/user_templates/mcu_defaults/toolhead/BTT_SB2209_USB_v1.0.cfg
new file mode 100644
index 000000000..44a60dc2a
--- /dev/null
+++ b/user_templates/mcu_defaults/toolhead/BTT_SB2209_USB_v1.0.cfg
@@ -0,0 +1,116 @@
+#--------------------------------------------#
+##### BTT SB2209 USB v1.0 MCU definition #####
+#--------------------------------------------#
+
+[mcu toolhead]
+##--------------------------------------------------------------------
+serial: /dev/serial/by-id/change-me-to-the-correct-mcu-path
+##--------------------------------------------------------------------
+
+# If you want to override the wiring of the BTT SB, keep in mind that this
+# board is defined using the "toolhead" name. So you should use "pin: toolhead:PIN_NAME"
+# in your own overrides.cfg files.
+
+[include config/mcu_definitions/toolhead/BTT_SB2209_USB_v1.0.cfg] # Do not remove this line
+[board_pins sb2209_usb_mcu]
+mcu: toolhead
+aliases:
+
+    E_STEP=MCU_E0_STEP , E_DIR=MCU_E0_DIR , E_ENABLE=MCU_E0_EN , E_TMCUART=MCU_E0_UART ,
+
+    X_STOP=MCU_ENDSTOP ,
+    PROBE_INPUT=MCU_PROBE1  , PROBE_SENSE=MCU_PROBE2 ,
+
+    E_HEATER=MCU_HE0  ,
+    E_TEMPERATURE=MCU_TH0 ,
+    TH_MCU_NTC=MCU_NTC ,
+
+    IND_NPN=MCU_IND       , FAN0=MCU_FAN        ,
+    FAN1=MCU_FAN1_PWM   , FAN2=MCU_FAN2_PWM   ,
+    FAN3_TACH=MCU_4WFAN_TACH , FAN3=MCU_4WFAN_PWM ,
+
+    LIS2DW_MISO=MCU_LIS2DW_MISO , LIS2DW_CS=MCU_LIS2DW_CS     , LIS2DW_CK=MCU_LIS2DW_CK  , 
+    LIS2DW_MOSI=MCU_LIS2DW_MOSI , LIS2DW_INT1=MCU_LIS2DW_INT1  , 
+    
+    I2C_SCL=MCU_I2C_SCL    , I2C_SDA=MCU_I2C_SDA      ,
+
+    TOOLHEAD_RGB=MCU_RGB    , STATUS_LED=MCU_STATUS
+
+
+#----------------------------------------#
+#    BTT SB2209 v1.0 pins remapping      #
+#----------------------------------------#
+
+[extruder]
+step_pin: toolhead:E_STEP
+dir_pin: !toolhead:E_DIR
+enable_pin: !toolhead:E_ENABLE
+heater_pin: toolhead:E_HEATER
+pullup_resistor: 2200 # 2.2K
+sensor_pin: toolhead:E_TEMPERATURE
+
+[tmc2209 extruder]
+uart_pin: toolhead:E_TMCUART
+
+
+[fan] # fan1
+pin: toolhead:FAN1
+
+[heater_fan hotend_fan] # fan2
+pin: toolhead:FAN2
+heater: extruder
+heater_temp: 50.0
+
+### IND or FAN connector
+## Cannot be used with NPN or PNP proximity sensor
+## Set jumper on board to FAN
+[fan_generic fan0] # IND or FAN connector
+pin: toolhead:FAN0
+
+[fan_generic 4W_FAN]
+pin: toolhead:FAN3
+tachometer_pin: toolhead:FAN3_TACH
+#tachometer_ppr: 1
+
+[neopixel hotend_rgb]
+pin: toolhead:TOOLHEAD_RGB
+
+[temperature_sensor toolhead_mcu]
+sensor_type: Generic 3950
+sensor_pin: toolhead:TH_MCU_NTC
+min_temp = 0
+max_temp = 100
+
+## Uncomment the following line if not using sensorless homing
+## and having the X endstop plugged to the toolhead MCU. Make sure
+## X endstop is plugged in to IO.1 on the board.
+# [stepper_x]
+# endstop_pin: ^toolhead:X_STOP
+
+#### LIS2DW Input Shaper ####
+# Change probe_points to best location for resonance testing
+# Include the IS calibration macros to unlock them when
+# an accelerometer is installed on the machine
+[lis2dw]
+cs_pin: toolhead:LIS2DW_CS
+spi_bus: spi0a
+axes_map: x,y,z
+
+[resonance_tester]
+accel_chip: lis2dw
+probe_points: 100,100,20
+
+[include ./macros/helpers/resonance_override.cfg]
+[include ./scripts/K-ShakeTune/K-SnT_*.cfg]
+
+### Uncomment if using bltouch ####
+#[bltouch]
+#sensor_pin: ^toolhead:PROBE_SENSE
+#control_pin: toolhead:PROBE_INPUT
+
+#### Uncomment if using NPN or PNP proximity sensor
+## NPN and PNP proximity switch types can be set by jumper
+## Cannot be used at the same time as FAN0, set jumper on
+## board to IND
+#[probe]
+#pin: ^toolhead:IND_NPN