Support for M5Stack Atom S3R drivers (#24747)

CHANGELOG.md

@@ -7,6 +7,7 @@ All notable changes to this project will be documented in this file.
 ### Added
 - Support for Modbus RX Enable GPIO (#24726)
 - Support for hostname generation using single-specifier Format() patterns (#24731)
+- Support for M5Stack Atom S3R drivers
 
 ### Breaking Changed
 

lib/libesp32/berry_tasmota/src/embedded/i2c_driver.be

@@ -47,7 +47,7 @@ class I2C_Driver
       if self.name == nil  self.wire = nil end
 
       if self.wire
-        print("I2C:", self.name, "detected on bus", self.wire.bus)
+        log("I2C:", self.name, "detected on bus", self.wire.bus, 2)
       end
     end
   end

tasmota/berry/drivers/M5Stack_S3R_LP5562.be

@@ -0,0 +1,42 @@
+###############################################################
+# Specialized driver for LP5562 on M5Stack S3R
+#
+# This driver controls the backlighting of the screen
+###############################################################
+
+# This code is ported from https://github.com/m5stack/M5GFX/blob/master/src/M5GFX.cpp
+# `struct Light_M5StackAtomS3R : public lgfx::ILight`
+class M5Stack_S3R_LP5562 : I2C_Driver
+  def init(addr)
+    if (addr == nil)  addr = 0x30   end   # default address is 0x30
+    super(self, I2C_Driver).init("LP5562", 0x30)
+
+    if self.wire      # if found
+      import display
+
+      self.write8(0x00, 0x40)
+      tasmota.delay(1)
+      self.write8(0x08, 0x01)
+      self.write8(0x70, 0x00)
+
+      self.set_displaydimmer(display.dimmer())   # apply dimmer value on start
+
+      tasmota.add_driver(self)    # register this driver
+    end
+  end
+
+  # Dimmer in percentage
+  def set_displaydimmer(x)
+    self.write8(0x0e, tasmota.scale_uint(x, 0, 100, 0, 255))
+  end
+
+  # respond to display events
+  def display(cmd, idx, payload, raw)
+    if cmd == "dim" || cmd == "power"
+      self.set_displaydimmer(idx)
+    end
+  end
+
+end
+
+return M5Stack_S3R_LP5562()

tasmota/displaydesc/M5Stack_S3R.ini

@@ -0,0 +1,34 @@
+:H,GC9107,128,128,16,SPI,1,*,*,*,*,*,*,*,16
+:I
+FE,A0
+EF,A0
+3A,1,55
+B0,1,C0
+B2,1,2F
+B3,1,03
+B6,1,19
+B7,1,01
+AC,1,CB
+AB,1,0E
+B4,1,04
+A8,1,19
+B8,1,08
+E8,1,24
+E9,1,48
+EA,1,22
+C6,1,30
+C7,1,18
+F0,0E,01,2b,23,3c,b7,12,17,60,00,06,0c,17,12,1f
+F1,0E,05,2e,2d,44,d6,15,17,a0,02,0d,0d,1a,18,1f
+11,80
+29,0
+:o,28
+:O,29
+:A,2A,2B,2C
+:R,36
+:0,08,00,20,00
+:1,A8,00,00,00
+:2,C8,00,00,00
+:3,68,20,00,00
+:B,64
+#