From a06fc80aa7b04c0370b89cfaa3ebecea8b54e53d Mon Sep 17 00:00:00 2001
From: Matthew Grove <me@mgrove.uk>
Date: Wed, 15 May 2024 21:50:59 +0100
Subject: [PATCH] Screen driver from manufacturer

---
 screen.py | 199 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 199 insertions(+)
 create mode 100644 screen.py

diff --git a/screen.py b/screen.py
new file mode 100644
index 0000000..8c69798
--- /dev/null
+++ b/screen.py
@@ -0,0 +1,199 @@
+from machine import Pin,SPI,PWM
+from font import Font
+from utils import Utils
+import framebuf
+
+BL = 13
+DC = 8
+RST = 12
+MOSI = 11
+SCK = 10
+CS = 9
+
+# LCD driver
+class LCD(framebuf.FrameBuffer):
+    def __init__(self):
+        pwm = PWM(Pin(BL))
+        pwm.freq(1000)
+        pwm.duty_u16(32768)
+
+        self.width = 240
+        self.height = 240
+        
+        self.cs = Pin(CS,Pin.OUT)
+        self.rst = Pin(RST,Pin.OUT)
+        
+        self.cs(1)
+        self.spi = SPI(1)
+        self.spi = SPI(1,1000_000)
+        self.spi = SPI(1,100000_000,polarity=0, phase=0,sck=Pin(SCK),mosi=Pin(MOSI),miso=None)
+        self.dc = Pin(DC,Pin.OUT)
+        self.dc(1)
+        self.buffer = bytearray(self.height * self.width * 2)
+        super().__init__(self.buffer, self.width, self.height, framebuf.RGB565)
+        self.init_display()
+        
+        self.red   =   0x07E0
+        self.green =   0x001f
+        self.blue  =   0xf800
+        self.white =   0xffff
+        self.black =   0x0000
+
+        self.keyA = {
+            "v": False, # value
+            "p": Pin(15,Pin.IN,Pin.PULL_UP) # pin - normally 1 but 0 if pressed
+        }
+        self.keyB = {
+            "v": False, # value
+            "p": Pin(17,Pin.IN,Pin.PULL_UP)
+        }
+        self.keyX = {
+            "v": False, # value
+            "p": Pin(19,Pin.IN,Pin.PULL_UP)
+        }
+        self.keyY = {
+            "v": False, # value
+            "p": Pin(21,Pin.IN,Pin.PULL_UP)
+        }
+
+        self.up = {
+            "v": False, # value
+            "p": Pin(2,Pin.IN,Pin.PULL_UP)
+        }
+        self.down = {
+            "v": False, # value
+            "p": Pin(18,Pin.IN,Pin.PULL_UP)
+        }
+        self.left = {
+            "v": False, # value
+            "p": Pin(16,Pin.IN,Pin.PULL_UP)
+        }
+        self.right = {
+            "v": False, # value
+            "p": Pin(20,Pin.IN,Pin.PULL_UP)
+        }
+        self.ctrl = {
+            "v": False, # value
+            "p": Pin(3,Pin.IN,Pin.PULL_UP)
+        }
+        
+    def write_cmd(self, cmd):
+        self.cs(1)
+        self.dc(0)
+        self.cs(0)
+        self.spi.write(bytearray([cmd]))
+        self.cs(1)
+
+    def write_data(self, buf):
+        self.cs(1)
+        self.dc(1)
+        self.cs(0)
+        self.spi.write(bytearray([buf]))
+        self.cs(1)
+
+    def init_display(self):
+        """Initialize dispaly"""  
+        self.rst(1)
+        self.rst(0)
+        self.rst(1)
+        
+        self.write_cmd(0x36)
+        self.write_data(0x70)
+
+        self.write_cmd(0x3A) 
+        self.write_data(0x05)
+
+        self.write_cmd(0xB2)
+        self.write_data(0x0C)
+        self.write_data(0x0C)
+        self.write_data(0x00)
+        self.write_data(0x33)
+        self.write_data(0x33)
+
+        self.write_cmd(0xB7)
+        self.write_data(0x35) 
+
+        self.write_cmd(0xBB)
+        self.write_data(0x19)
+
+        self.write_cmd(0xC0)
+        self.write_data(0x2C)
+
+        self.write_cmd(0xC2)
+        self.write_data(0x01)
+
+        self.write_cmd(0xC3)
+        self.write_data(0x12)   
+
+        self.write_cmd(0xC4)
+        self.write_data(0x20)
+
+        self.write_cmd(0xC6)
+        self.write_data(0x0F) 
+
+        self.write_cmd(0xD0)
+        self.write_data(0xA4)
+        self.write_data(0xA1)
+
+        self.write_cmd(0xE0)
+        self.write_data(0xD0)
+        self.write_data(0x04)
+        self.write_data(0x0D)
+        self.write_data(0x11)
+        self.write_data(0x13)
+        self.write_data(0x2B)
+        self.write_data(0x3F)
+        self.write_data(0x54)
+        self.write_data(0x4C)
+        self.write_data(0x18)
+        self.write_data(0x0D)
+        self.write_data(0x0B)
+        self.write_data(0x1F)
+        self.write_data(0x23)
+
+        self.write_cmd(0xE1)
+        self.write_data(0xD0)
+        self.write_data(0x04)
+        self.write_data(0x0C)
+        self.write_data(0x11)
+        self.write_data(0x13)
+        self.write_data(0x2C)
+        self.write_data(0x3F)
+        self.write_data(0x44)
+        self.write_data(0x51)
+        self.write_data(0x2F)
+        self.write_data(0x1F)
+        self.write_data(0x1F)
+        self.write_data(0x20)
+        self.write_data(0x23)
+        
+        self.write_cmd(0x21)
+
+        self.write_cmd(0x11)
+
+        self.write_cmd(0x29)
+
+    def show(self):
+        self.write_cmd(0x2A)
+        self.write_data(0x00)
+        self.write_data(0x00)
+        self.write_data(0x00)
+        self.write_data(0xef)
+        
+        self.write_cmd(0x2B)
+        self.write_data(0x00)
+        self.write_data(0x00)
+        self.write_data(0x00)
+        self.write_data(0xEF)
+        
+        self.write_cmd(0x2C)
+        
+        self.cs(1)
+        self.dc(1)
+        self.cs(0)
+        self.spi.write(self.buffer)
+        self.cs(1)
+    # END OF DRIVER
+
+    def clear(self, c):
+        self.fill(c)