Merge pull request #5 from bkosciow/pins

Pins

CHANGELOG.txt

@@ -1,2 +1,6 @@
+0.2.1
+    - CS & LED pin do ILI drv
+0.2.0
+    - add AD7843 touch panel driver
 0.1.0
     - extract library from Doton project

gfxlcd/abstract/chip.py

@@ -99,3 +99,8 @@ class Chip(metaclass=abc.ABCMeta):
     def fill_rect(self, pos_x1, pos_y1, pos_x2, pos_y2):
         """draw a filled rectangle"""
         pass
+
+    @abc.abstractmethod
+    def draw_image(self, pos_x, pos_y, image):
+        """draw a PIL image"""
+        pass

gfxlcd/demos/ili9325.py

@@ -31,6 +31,8 @@ def draw_net(o):
 
 
 drv = GPIO()
+drv.pins['LED'] = 6
+drv.pins['CS'] = 18
 o = ILI9325(240, 320, drv)
 
 o.init()

gfxlcd/demos/ili9325_2.py

@@ -37,14 +37,12 @@ def draw_net(o):
         o.draw_line(0, s, o.width-1, s)
         s += 10
 
-
-lcd_tft = ILI9325(240, 320, ILIGPIO())
+drv = ILIGPIO()
+drv.pins['LED'] = 6
+drv.pins['CS'] = 18
+lcd_tft = ILI9325(240, 320, drv)
 lcd_tft.init()
 
-# bypass of missing +3v line to power backlight
-LED = 6
-RPi.GPIO.setup(LED, RPi.GPIO.OUT)
-RPi.GPIO.output(LED, 1)
 lcd_tft.background_color = (255, 255, 255)
 lcd_tft.fill_rect(0, 0, 240, 320)
 lcd_tft.color = (0, 255, 1)

gfxlcd/demos/ili9325_image.py

@@ -0,0 +1,22 @@
+import RPi.GPIO
+import sys
+from PIL import Image
+sys.path.append("../../")
+from gfxlcd.driver.ili9325.gpio import GPIO as ILIGPIO
+from gfxlcd.driver.ili9325.ili9325 import ILI9325
+RPi.GPIO.setmode(RPi.GPIO.BCM)
+
+
+drv = ILIGPIO()
+drv.pins['LED'] = 6
+drv.pins['CS'] = 18
+lcd_tft = ILI9325(240, 320, drv)
+lcd_tft.init()
+
+
+image_file = Image.open("assets/japan_temple_240x320.jpg")
+lcd_tft.draw_image(0, 0, image_file)
+
+numbers_image = Image.open("assets/dsp2017_101_64.png")
+lcd_tft.transparency_color = (0, 0, 0)
+lcd_tft.draw_image(10, 10, numbers_image)

gfxlcd/demos/ili9486.py

@@ -0,0 +1,76 @@
+import sys
+sys.path.append("../../")
+from gfxlcd.driver.ili9486.spi import SPI
+from gfxlcd.driver.ili9486.ili9486 import ILI9486
+import RPi.GPIO
+RPi.GPIO.setmode(RPi.GPIO.BCM)
+import random
+
+def hole(x, y):
+    o.draw_pixel(x+1, y)
+    o.draw_pixel(x+2, y)
+    o.draw_pixel(x+3, y)
+    o.draw_pixel(x+1, y + 4)
+    o.draw_pixel(x+2, y + 4)
+    o.draw_pixel(x+3, y + 4)
+    o.draw_pixel(x, y + 1)
+    o.draw_pixel(x+4, y + 1)
+    o.draw_pixel(x, y + 2)
+    o.draw_pixel(x+4, y + 2)
+    o.draw_pixel(x, y + 3)
+    o.draw_pixel(x+4, y + 3)
+
+
+def draw_net(o):
+    s = 0
+    while s < o.width-1:
+        o.draw_line(s, 0, s, o.height-1)
+        s += 10
+    s = 0
+    while s < o.height-1:
+        o.draw_line(0, s, o.width-1, s)
+        s += 10
+
+
+drv = SPI()
+o = ILI9486(320, 480, drv)
+
+print("init")
+o.init()
+# o.driver.reset()
+
+# exit()
+o.color = (255, 255, 255)
+o.background_color = (0, 0, 0)
+o.fill_rect(10, 150, 205, 205)
+
+# exit()
+# for _ in range(0, 50):
+#     hole(random.randint(2,o.width-3), random.randint(2,o.height-3))
+
+# draw_net(o)
+print("draw")
+o.color = (10, 230, 200)
+o.draw_circle(60, 15, 15)
+o.color = (0, 250, 20)
+o.draw_circle(53, 10, 3)
+o.draw_circle(67, 10, 3)
+o.color = (250, 150, 20)
+o.draw_arc(60, 15, 10, 45, 135)
+o.color = (10, 230, 200)
+o.draw_line(60, 12, 57, 17)
+o.draw_line(60, 12, 63, 17)
+o.draw_arc(60, 15, 3, 45, 135)
+
+o.background_color = (200, 0, 120)
+o.fill_rect(2, 2, 42, 29)
+o.background_color = (20, 200, 120)
+o.fill_rect(119, 2, 109, 12)
+o.fill_rect(119, 17, 109, 19)
+
+o.background_color = (255, 255, 255)
+o.fill_rect(77, 6, 105, 16)
+o.background_color = (255, 0, 0)
+o.fill_rect(77, 16, 105, 25)
+print("end")
+# o.driver.reset()

gfxlcd/demos/ili9486_image.py

@@ -0,0 +1,19 @@
+import RPi.GPIO
+import sys
+from PIL import Image
+sys.path.append("../../")
+from gfxlcd.driver.ili9486.spi import SPI
+from gfxlcd.driver.ili9486.ili9486 import ILI9486
+RPi.GPIO.setmode(RPi.GPIO.BCM)
+
+
+drv = SPI()
+lcd_tft = ILI9486(320, 480, drv)
+lcd_tft.init()
+
+image_file = Image.open("assets/japan_temple_240x320.jpg")
+lcd_tft.draw_image(0, 0, image_file)
+
+numbers_image = Image.open("assets/dsp2017_101_64.png")
+lcd_tft.transparency_color = (0, 0, 0)
+lcd_tft.draw_image(10, 10, numbers_image)

gfxlcd/demos/nju_image.py

@@ -0,0 +1,20 @@
+import RPi.GPIO
+import sys
+import random
+from PIL import Image
+sys.path.append("../../")
+from gfxlcd.driver.nju6450.gpio import GPIO
+from gfxlcd.driver.nju6450.nju6450 import NJU6450
+RPi.GPIO.setmode(RPi.GPIO.BCM)
+
+
+lcd_nju = NJU6450(122, 32, GPIO())
+lcd_nju.init()
+lcd_nju.auto_flush = False
+
+image_file = Image.open("assets/dsp2017_122_29.png")
+# lcd_nju.threshold = 50
+# lcd_nju.transparency_color = [110, 57]
+lcd_nju.draw_image(0, 0, image_file)
+
+lcd_nju.flush(True)

gfxlcd/demos/ssd_image.py

@@ -0,0 +1,23 @@
+import RPi.GPIO
+import sys
+from PIL import Image
+sys.path.append("../../")
+from gfxlcd.driver.ssd1306.spi import SPI
+from gfxlcd.driver.ssd1306.ssd1306 import SSD1306
+RPi.GPIO.setmode(RPi.GPIO.BCM)
+
+lcd_oled = SSD1306(128, 64, SPI())
+lcd_oled.init()
+lcd_oled.auto_flush = False
+
+image_file = Image.open("assets/dsp2017_101_64.png")
+
+lcd_oled.threshold = 50
+
+lcd_oled.threshold = 0
+# lcd_oled.transparency_color = [110, 57] #110 #[110, 57]
+# lcd_oled.threshold = 255
+
+lcd_oled.draw_image(10, 0, image_file)
+
+lcd_oled.flush(True)

gfxlcd/demos/touch.py

@@ -0,0 +1,29 @@
+import RPi.GPIO
+import sys
+import time
+sys.path.append("../../")
+from gfxlcd.driver.ili9325.gpio import GPIO as ILIGPIO
+from gfxlcd.driver.ili9325.ili9325 import ILI9325
+from gfxlcd.driver.ad7843.ad7843 import AD7843
+RPi.GPIO.setmode(RPi.GPIO.BCM)
+
+
+lcd_tft = ILI9325(240, 320, ILIGPIO())
+lcd_tft.init()
+
+
+def callback(position):
+    print('(x,y)', position)
+
+touch = AD7843(240, 320, 26, callback)
+
+touch.init()
+
+while True:
+    try:
+        time.sleep(1)
+
+    except KeyboardInterrupt:
+        touch.close()
+        # RPi.GPIO.cleanup()
+

gfxlcd/demos/touch_loop.py

@@ -0,0 +1,32 @@
+import RPi.GPIO
+import sys
+import time
+sys.path.append("../../")
+from gfxlcd.driver.ili9325.gpio import GPIO as ILIGPIO
+from gfxlcd.driver.ili9325.ili9325 import ILI9325
+from gfxlcd.driver.ad7843.ad7843 import AD7843
+RPi.GPIO.setmode(RPi.GPIO.BCM)
+
+
+lcd_tft = ILI9325(240, 320, ILIGPIO())
+lcd_tft.init()
+
+
+def callback(position):
+    print('(x,y)', position)
+
+touch = AD7843(240, 320)
+
+touch.init()
+
+while True:
+    try:
+        time.sleep(0.05)
+        ret = touch.get_position()
+        if ret:
+            print(ret[0], ret[1])
+
+    except KeyboardInterrupt:
+        touch.close()
+        RPi.GPIO.cleanup()
+

gfxlcd/drawing/area.py

@@ -18,22 +18,6 @@ class Area(Pixel):
         self._set_area(pos_x, pos_y, pos_x, pos_y)
         self.driver.data(self._converted_color(), None)
 
-    def _set_area(self, pos_x1, pos_y1, pos_x2, pos_y2):
-        """select area to work with"""
-        self.driver.cmd(0x0020, None)
-        self.driver.data(pos_x1, None)
-        self.driver.cmd(0x0021, None)
-        self.driver.data(pos_y1, None)
-        self.driver.cmd(0x0050, None)
-        self.driver.data(pos_x1, None)
-        self.driver.cmd(0x0052, None)
-        self.driver.data(pos_y1, None)
-        self.driver.cmd(0x0051, None)
-        self.driver.data(pos_x2, None)
-        self.driver.cmd(0x0053, None)
-        self.driver.data(pos_y2, None)
-        self.driver.cmd(0x0022, None)
-
     def _draw_vertical_line(self, pos_x, pos_y, length):
         """draw vertical line"""
         self._set_area(pos_x, pos_y, pos_x, pos_y + length)
@@ -121,3 +105,61 @@ class Area(Pixel):
         color = self._converted_background_color()
         for _ in range(0, size):
             self.driver.data(color, None)
+
+    def draw_image(self, pos_x, pos_y, image):
+        """draw a PIL image"""
+        image_file = image.convert('RGB')
+        width, height = image_file.size
+        self._set_area(
+            pos_x,
+            pos_y,
+            pos_x + width - 1,
+            pos_y + height - 1
+        )
+        row = 0
+        col = 0
+        area = None
+        temporary_area = None
+        for red, green, blue in list(image_file.getdata()):
+            if self._is_transparent((red, green, blue)):
+                area = (
+                    pos_x,
+                    pos_y + row + 1,
+                    pos_x + width - 1,
+                    pos_y + height - 1
+                )
+                temporary_area = (
+                    pos_x + col + 1,
+                    pos_y + row,
+                    pos_x + width - 1,
+                    pos_y + row
+                )
+            else:
+                if temporary_area is not None:
+                    self._set_area(*temporary_area)
+                    temporary_area = None
+                self.color = (red, green, blue)
+                self.driver.data(self._converted_color(), None)
+
+            col += 1
+            if col > width - 1:
+                col = 0
+                row += 1
+                if area is not None:
+                    self._set_area(*area)
+                    area = None
+                    temporary_area = None
+
+    def _is_transparent(self, color):
+        """check if color is a transparency color"""
+        if self.options['transparency_color'] is None:
+            return False
+        elif type(self.options['transparency_color'][0]) == int \
+            and color == self.options['transparency_color']:
+                return True
+        elif (type(self.options['transparency_color'][0]) == list or
+            type(self.options['transparency_color'][0]) == tuple) \
+            and color in self.options['transparency_color']:
+                return True
+
+        return False

gfxlcd/drawing/page.py

@@ -113,3 +113,29 @@ class Page(Pixel, metaclass=abc.ABCMeta):
     def flush(self, force=None):
         """flush buffer to the screen"""
         pass
+
+    def draw_image(self, pos_x, pos_y, image):
+        """draw a PIL image"""
+        image_file = image.convert('L')
+        width, height = image_file.size
+        offset_x = 0
+        offset_y = 0
+        for stream in list(image_file.getdata()):
+            if stream > self.options['threshold'] \
+                    and not self._is_transparent(stream):
+                self.draw_pixel(pos_x + offset_x, pos_y + offset_y)
+            offset_x += 1
+            if offset_x > width - 1:
+                offset_x = 0
+                offset_y += 1
+
+    def _is_transparent(self, color):
+        """check if color is a transparency color"""
+        if type(self.options['transparency_color']) == int \
+                and color == self.options['transparency_color']:
+            return True
+        elif type(self.options['transparency_color']) == list \
+                and color in self.options['transparency_color']:
+            return True
+
+        return False

gfxlcd/drawing/pixel.py

@@ -12,6 +12,28 @@ class Pixel(object):
         self.options['background_color'] = {
             'R': 0, 'G': 0, 'B': 0,
         }
+        self.options['threshold'] = 50
+        self.options['transparency_color'] = None
+
+    @property
+    def threshold(self):
+        """get threshold for B&W conversion"""
+        return self.options['threshold']
+
+    @threshold.setter
+    def threshold(self, threshold):
+        """set B&W threshold for conversion """
+        self.options['threshold'] = threshold
+
+    @property
+    def transparency_color(self):
+        """get transparency color"""
+        return self.options['transparency_color']
+
+    @transparency_color.setter
+    def transparency_color(self, transparency_color):
+        """set transparency color """
+        self.options['transparency_color'] = transparency_color
 
     def draw_pixel(self, pos_x, pos_y):
         """dummy fuction"""

gfxlcd/driver/ad7843/__init__.py

@@ -0,0 +1,2 @@
+"""driver/ad7843 module"""
+__author__ = 'Bartosz Kosciow'

gfxlcd/driver/ad7843/ad7843.py

@@ -0,0 +1,89 @@
+import spidev  # pylint: disable=I0011,F0401
+import RPi.GPIO
+
+
+class AD7843(object):
+    """AD7843 class"""
+    def __init__(self, width, height, int_pin=None, callback=None, cs_pin=None, spi=0, speed=2000000):
+        self.width = width
+        self.height = height
+        self.spi = spidev.SpiDev()
+        self.spi.open(spi, 0)
+        self.spi.max_speed_hz = speed
+        self.spi.mode = 0
+        self.correction = {
+            'x': 364,
+            'y': 430,
+            'ratio_x': 14.35,
+            'ratio_y': 10.59
+        }
+        self.cs_pin = cs_pin
+        self.int_pin = int_pin
+        self.callback = callback
+        self.bouncetime = 500
+
+    def init(self):
+        """some init functions"""
+        if self.int_pin:
+            RPi.GPIO.setup(self.int_pin, RPi.GPIO.IN)
+            RPi.GPIO.add_event_detect(
+                self.int_pin, RPi.GPIO.BOTH, callback=self._interrupt, bouncetime=self.bouncetime
+            )
+        if self.cs_pin:
+            RPi.GPIO.setup(self.cs_pin, RPi.GPIO.OUT)
+            RPi.GPIO.output(self.cs_pin, 1)
+
+    def get_x(self, value):
+        """correct value to x"""
+        return self.width - int((value - self.correction['x']) / self.correction['ratio_x'])
+
+    def get_y(self, value):
+        """correct value to y"""
+        return self.height - int((value - self.correction['y']) / self.correction['ratio_y'])
+
+    def _interrupt(self, channel):
+        """call users callback"""
+        if self.cs_pin:
+            RPi.GPIO.output(self.cs_pin, 0)
+        self.callback(self.get_position())
+        if self.cs_pin:
+            RPi.GPIO.output(self.cs_pin, 1)
+
+    def get_position(self):
+        """get touch coords"""
+        buffer = []
+        while len(buffer) < 20:
+            self.spi.xfer2([0xd0])
+            recvx = self.spi.readbytes(2)
+            self.spi.xfer2([0x90])
+            recvy = self.spi.readbytes(2)
+
+            tc_rx = recvx[0] << 5
+            tc_rx |= recvx[1] >> 3
+
+            tc_ry = recvy[0] << 5
+            tc_ry |= recvy[1] >> 3
+
+            pos_x = self.get_x(tc_rx)
+            pos_y = self.get_y(tc_ry)
+            if 0 <= pos_x <= self.width and 0 <= pos_y <= self.height:
+                buffer.append((pos_x, pos_y))
+
+        return self._calculate_avr(buffer)
+
+    def _calculate_avr(self, points):
+        """calculate x,y by average"""
+        sum_x = 0
+        sum_y = 0
+        for point in points:
+            sum_x += point[0]
+            sum_y += point[1]
+
+        return int(sum_x / len(points)), int(sum_y / len(points))
+
+    def close(self):
+        """close action"""
+        if self.int_pin:
+            RPi.GPIO.remove_event_detect(self.int_pin)
+        self.spi.close()
+

gfxlcd/driver/ili9325/gpio.py

@@ -20,6 +20,8 @@ class GPIO(Driver):
             'DB14': 20,
             'DB15': 21,
             'RST': 25,
+            'LED': None,
+            'CS': None
         }
         self.data_pins = [
             'DB8', 'DB9', 'DB10', 'DB11', 'DB12', 'DB13', 'DB14', 'DB15',
@@ -28,11 +30,22 @@ class GPIO(Driver):
     def init(self):
         """initialize pins"""
         for pin in self.pins:
-            RPi.GPIO.setup(self.pins[pin], RPi.GPIO.OUT)
-            RPi.GPIO.output(self.pins[pin], 0)
+            if self.pins[pin] is not None:
+                RPi.GPIO.setup(self.pins[pin], RPi.GPIO.OUT)
+                RPi.GPIO.output(self.pins[pin], 0)
+
+        if self.pins['LED']:
+            RPi.GPIO.output(self.pins['LED'], 1)
+
+        if self.pins['CS']:
+            RPi.GPIO.output(self.pins['CS'], 1)
 
     def reset(self):
         """reset a display"""
+        if self.pins['LED']:
+            RPi.GPIO.output(self.pins['LED'], 1)
+        if self.pins['CS']:
+            RPi.GPIO.output(self.pins['CS'], 1)
         RPi.GPIO.output(self.pins['RST'], 1)
         time.sleep(0.005)
         RPi.GPIO.output(self.pins['RST'], 0)
@@ -54,12 +67,16 @@ class GPIO(Driver):
 
     def send(self, char, enable):
         """send 16bit as 2*8bit"""
+        if self.pins['CS']:
+            RPi.GPIO.output(self.pins['CS'], 0)
         self._set_pins(char >> 8)
         RPi.GPIO.output(self.pins['W'], 0)
         RPi.GPIO.output(self.pins['W'], 1)
         self._set_pins(char)
         RPi.GPIO.output(self.pins['W'], 0)
         RPi.GPIO.output(self.pins['W'], 1)
+        if self.pins['CS']:
+            RPi.GPIO.output(self.pins['CS'], 1)
 
     def data(self, data, enable):
         """send data to display"""

gfxlcd/driver/ili9325/ili9325.py

@@ -6,9 +6,33 @@ from gfxlcd.abstract.chip import Chip
 
 class ILI9325(Area, Chip):
     """Class for ILI9325 based LCD"""
+    rotations = {
+        0: {
+            'output': 0x0100,
+            'mode': 0x1030,
+            'output2': 0xa700
+        },
+        90: {
+            'output': 0x0000,
+            'mode': 0x1038,
+            'output2': 0xa700
+        },
+        180: {
+            'output': 0x0000,
+            'mode': 0x1030,
+            'output2': 0x2700
+        },
+        270: {
+            'output': 0x0100,
+            'mode': 0x1038,
+            'output2': 0x2700
+        }
+    }
+
     def __init__(self, width, height, driver):
         Chip.__init__(self, width, height, driver, True)
         Area.__init__(self, driver)
+        self.rotation = 0
 
     def _converted_background_color(self):
         """color from 8-8-8 to 5-6-5"""
@@ -36,13 +60,16 @@ class ILI9325(Area, Chip):
         # ************* ILI9325C/D **********
         # set SS and SM bit
         self.driver.cmd(0x0001, None)
-        self.driver.data(0x0100, None)
+        self.driver.data(self.rotations[self.rotation]['output'], None)
+
         # set 1 line inversion
         self.driver.cmd(0x0002, None)
         self.driver.data(0x0200, None)
+
         # set GRAM write direction and BGR=1
         self.driver.cmd(0x0003, None)
-        self.driver.data(0x1030, None)
+        self.driver.data(self.rotations[self.rotation]['mode'], None)
+
         # Resize register
         self.driver.cmd(0x0004, None)
         self.driver.data(0x0000, None)
@@ -145,7 +172,8 @@ class ILI9325(Area, Chip):
         self.driver.data(0x013F, None)
         # Gate Scan Line
         self.driver.cmd(0x0060, None)
-        self.driver.data(0xA700, None)
+        self.driver.data(self.rotations[self.rotation]['output2'], None)
+
         # NDL, VLE, REV
         self.driver.cmd(0x0061, None)
         self.driver.data(0x0001, None)
@@ -175,3 +203,21 @@ class ILI9325(Area, Chip):
         # 262K color and display ON
         self.driver.cmd(0x0007, None)
         self.driver.data(0x0133, None)
+
+    def _set_area(self, pos_x1, pos_y1, pos_x2, pos_y2):
+        """select area to work with"""
+        if self.rotation == 90 or self.rotation == 270:
+            pos_x1, pos_y1, pos_x2, pos_y2 = pos_y1, pos_x1, pos_y2, pos_x2
+        self.driver.cmd(0x0020, None)
+        self.driver.data(pos_x1, None)
+        self.driver.cmd(0x0021, None)
+        self.driver.data(pos_y1, None)
+        self.driver.cmd(0x0050, None)
+        self.driver.data(pos_x1, None)
+        self.driver.cmd(0x0052, None)
+        self.driver.data(pos_y1, None)
+        self.driver.cmd(0x0051, None)
+        self.driver.data(pos_x2, None)
+        self.driver.cmd(0x0053, None)
+        self.driver.data(pos_y2, None)
+        self.driver.cmd(0x0022, None)

gfxlcd/driver/ili9486/__init__.py

@@ -0,0 +1,2 @@
+"""driver/ili9486 module"""
+__author__ = 'Bartosz Kosciow'

gfxlcd/driver/ili9486/ili9486.py

@@ -0,0 +1,126 @@
+"""ILI9486 chip driver"""
+import time
+from gfxlcd.drawing.area import Area
+from gfxlcd.abstract.chip import Chip
+
+
+class ILI9486(Area, Chip):
+    """Class for ILI9486 based LCD"""
+    rotations = {0: 0x80, 90: 0xf0, 180: 0x40, 270: 0x20}
+
+    def __init__(self, width, height, driver):
+        Chip.__init__(self, width, height, driver, True)
+        Area.__init__(self, driver)
+        self.rotation = 0
+
+    def _converted_background_color(self):
+        """color from 8-8-8 to 5-6-5"""
+        rgb = self.options['background_color']['R'] << 16 | \
+            self.options['background_color']['G'] << 8 | \
+            self.options['background_color']['B']
+        return ((rgb & 0x00f80000) >> 8) |\
+            ((rgb & 0x0000fc00) >> 5) | ((rgb & 0x000000f8) >> 3)
+
+    def _converted_color(self):
+        """color from 8-8-8 to 5-6-5"""
+        rgb = self.options['color']['R'] << 16 | \
+            self.options['color']['G'] << 8 | \
+            self.options['color']['B']
+        return ((rgb & 0x00f80000) >> 8) |\
+            ((rgb & 0x0000fc00) >> 5) | ((rgb & 0x000000f8) >> 3)
+
+    def init(self):
+        """init display"""
+        self.driver.init()
+        Area.init(self)
+        Chip.init(self)
+        self.driver.reset()
+
+        self.driver.cmd(0x0b, None)
+        self.driver.data(0x00, None)
+        self.driver.data(0x00, None)
+
+        self.driver.cmd(0x11, None)
+
+        self.driver.cmd(0x3a, None)
+        self.driver.data(0x55, None) #0x66
+
+        self.driver.cmd(0x36, None)
+        self.driver.data(self.rotations[self.rotation], None)
+
+        self.driver.cmd(0xc2, None)
+        self.driver.data(0x44, None)
+
+        self.driver.cmd(0xc5, None)
+        self.driver.data(0x00, None)
+        self.driver.data(0x00, None)
+        self.driver.data(0x00, None)
+        self.driver.data(0x00, None)
+
+        self.driver.cmd(0xe0, None)
+        self.driver.data(0x0F, None)
+        self.driver.data(0x1F, None)
+        self.driver.data(0x1C, None)
+        self.driver.data(0x0C, None)
+        self.driver.data(0x0F, None)
+        self.driver.data(0x08, None)
+        self.driver.data(0x48, None)
+        self.driver.data(0x98, None)
+        self.driver.data(0x37, None)
+        self.driver.data(0x0A, None)
+        self.driver.data(0x13, None)
+        self.driver.data(0x04, None)
+        self.driver.data(0x11, None)
+        self.driver.data(0x0D, None)
+        self.driver.data(0x00, None)
+
+        self.driver.cmd(0xe1, None)
+        self.driver.data(0x0F, None)
+        self.driver.data(0x32, None)
+        self.driver.data(0x2E, None)
+        self.driver.data(0x0B, None)
+        self.driver.data(0x0D, None)
+        self.driver.data(0x05, None)
+        self.driver.data(0x47, None)
+        self.driver.data(0x75, None)
+        self.driver.data(0x37, None)
+        self.driver.data(0x06, None)
+        self.driver.data(0x10, None)
+        self.driver.data(0x03, None)
+        self.driver.data(0x24, None)
+        self.driver.data(0x20, None)
+        self.driver.data(0x00, None)
+
+        self.driver.cmd(0xe2, None)
+        self.driver.data(0x0F, None)
+        self.driver.data(0x32, None)
+        self.driver.data(0x2E, None)
+        self.driver.data(0x0B, None)
+        self.driver.data(0x0D, None)
+        self.driver.data(0x05, None)
+        self.driver.data(0x47, None)
+        self.driver.data(0x75, None)
+        self.driver.data(0x37, None)
+        self.driver.data(0x06, None)
+        self.driver.data(0x10, None)
+        self.driver.data(0x03, None)
+        self.driver.data(0x24, None)
+        self.driver.data(0x20, None)
+        self.driver.data(0x00, None)
+
+        self.driver.cmd(0x11, None)
+        self.driver.cmd(0x29, None)
+
+    def _set_area(self, pos_x1, pos_y1, pos_x2, pos_y2):
+        """select area to work with"""
+        self.driver.cmd(0x2a, None)
+        self.driver.data(pos_x1 >> 8, None)
+        self.driver.data(pos_x1 & 0xff, None)
+        self.driver.data(pos_x2 >> 8, None)
+        self.driver.data(pos_x2 & 0xff, None)
+        self.driver.cmd(0x2b, None)
+        self.driver.data(pos_y1 >> 8, None)
+        self.driver.data(pos_y1 & 0xff, None)
+        self.driver.data(pos_y2 >> 8, None)
+        self.driver.data(pos_y2 & 0xff, None)
+        self.driver.cmd(0x2c, None)

gfxlcd/driver/ili9486/spi.py

@@ -0,0 +1,65 @@
+"""SPI communication driver"""
+import time
+import spidev
+import RPi.GPIO  # pylint: disable=I0011,F0401
+from gfxlcd.abstract.driver import Driver
+RPi.GPIO.setmode(RPi.GPIO.BCM)
+
+
+class SPI(Driver):
+    """SPI communication driver"""
+    def __init__(self, spi=0, speed=2000000):
+        self.pins = {
+            'CS': 8,
+            'RST': 25,
+            'RS': 24,
+            'LED': None
+        }
+        self.spi = spidev.SpiDev()
+        self.spi.open(spi, 0)
+        self.spi.max_speed_hz = speed
+        self.spi.mode = 0
+
+    def init(self):
+        """initialize pins"""
+        for pin in self.pins:
+            if self.pins[pin] is not None:
+                RPi.GPIO.setup(self.pins[pin], RPi.GPIO.OUT)
+                RPi.GPIO.output(self.pins[pin], 0)
+
+        if self.pins['CS']:
+            RPi.GPIO.output(self.pins['CS'], 1)
+
+        if self.pins['LED']:
+            RPi.GPIO.output(self.pins['LED'], 1)
+
+    def reset(self):
+        """reset a display"""
+        if self.pins['LED']:
+            RPi.GPIO.output(self.pins['LED'], 1)
+        if self.pins['CS']:
+            RPi.GPIO.output(self.pins['CS'], 1)
+        RPi.GPIO.output(self.pins['RST'], 1)
+        time.sleep(0.005)
+        RPi.GPIO.output(self.pins['RST'], 0)
+        time.sleep(0.005)
+        RPi.GPIO.output(self.pins['RST'], 1)
+        time.sleep(0.005)
+
+    def cmd(self, data, enable):
+        """send command to display"""
+        RPi.GPIO.output(self.pins['RS'], 0)
+        if self.pins['CS']:
+            RPi.GPIO.output(self.pins['CS'], 0)
+        self.spi.xfer2([data])
+        if self.pins['CS']:
+            RPi.GPIO.output(self.pins['CS'], 1)
+
+    def data(self, data, enable):
+        """send data to display"""
+        RPi.GPIO.output(self.pins['RS'], 1)
+        if self.pins['CS']:
+            RPi.GPIO.output(self.pins['CS'], 0)
+        self.spi.xfer2([data])
+        if self.pins['CS']:
+            RPi.GPIO.output(self.pins['CS'], 1)

gfxlcd/driver/nju6450/nju6450.py

@@ -8,6 +8,7 @@ class NJU6450(Page, Chip):
     def __init__(self, width, height, driver, auto_flush=True):
         Chip.__init__(self, width, height, driver, auto_flush)
         Page.__init__(self, driver)
+        self.rotation = 0
 
     def init(self):
         """initialize display"""

gfxlcd/driver/ssd1306/ssd1306.py

@@ -8,6 +8,7 @@ class SSD1306(Page, Chip):
     def __init__(self, width, height, driver, auto_flush=True):
         Chip.__init__(self, width, height, driver, auto_flush)
         Page.__init__(self, driver)
+        self.rotation = 0
 
     def init(self):
         """inits a device"""

readme.md

@@ -9,12 +9,18 @@ Supported:
 - ssd1306 via SPI
 - nju6450 via GPIO
 
+And for touch panels:
+
+- ad7843 via SPI, uses irq or not
+
+
 On NJU and SSD uses buffer to keep current content as help for page operations.
 
 Wiring is below
 
+Demos are in demos directory
 
-Initialization
+LCD initialization
 ===
 ## SSD1306
 ### SPI
@@ -92,6 +98,8 @@ Custom pins:
         'DB14': 20,
         'DB15': 21,
         'RST': 25,
+        'LED': None,
+        'CS': None
     }
     o = ILI9325(240, 320, drv)
     o.init()
@@ -111,12 +119,59 @@ draw_arc(x1, y1, radius, from_angle, to_angle
 
 fill_rect(x1, y1, x2, y2)
 
+draw_image(x, y, PIL.Image)
 
 Colours
 ===
 lcd.color = (r, g, b)
+
 lcd.background_color = (r, g ,b)
 
+lcd.threshold = 255 - for images a threshold between black and white (on monochrome)
+
+lcd.transparency_color = [110, 57] #110 - color(s) that are skipped during drawing an image
+
+
+Touch panels
+===
+
+## AD7843
+
+Constructor:
+    
+    AD7843(width, height, (T_INT), (callback))
+    
+Can be used with T_INT
+
+    def callback(position):
+        print('(x,y)', position)
+    
+    touch = AD7843(240, 320, 26, callback)
+    touch.init()
+
+or without:
+
+    touch = AD7843(240, 320)
+    touch.init()
+
+    while True:
+        try:
+            time.sleep(0.05)
+            ret = touch.get_position()
+            if ret:
+                print(ret[0], ret[1])
+    
+        except KeyboardInterrupt:
+            touch.close()
+
+There is no automatic calibration. It must be done manually.
+         
+    self.correction = {
+        'x': 364,
+        'y': 430,
+        'ratio_x': 14.35,
+        'ratio_y': 10.59
+    }
              
 Wiring
 ===
@@ -178,6 +233,6 @@ Default:
     DB13  ------------------------ G16
     DB14  ------------------------ G20
     DB15  ------------------------ G21
-    CS    ------------------------ GND (always selected)
+    CS    ------------------------ GND (always selected) (or connect to GPIO pin)
     REST  ------------------------ G25
-    LED_A ------------------------ 3.3
+    LED_A ------------------------ 3.3 (can be connected to GPIO pin) 

setup.py

@@ -13,11 +13,11 @@ def read(*paths):
 
 setup(
     name='gfxlcd',
-    version='0.1.0',
-    description='gfxlcd is a handler for grpahical lcds: ILI9328, SSD1306, NJU6450 @ Raspberry Pi.',
-    keywords=['gfxlcd', 'raspberry pi' ,'ili9328' ,'ssd1306', 'nju6450', 'lcd', 'graphical lcd'],
+    version='0.2.1',
+    description='gfxlcd is a handler for graphical lcds: ILI9328, SSD1306, NJU6450, touch panel: AD7843 @ Raspberry Pi.',
+    keywords=['gfxlcd', 'raspberry pi' ,'ili9328' ,'ssd1306', 'nju6450', 'lcd', 'graphical lcd', 'touch panel', 'ad7843'],
     long_description=(read('readme.md')),
-    url='https://bitbucket.org/kosci/charlcd.git',
+    url='https://github.com/bkosciow/gfxlcd',
     license='MIT',
     author='Bartosz Kościów',
     author_email='kosci1@gmail.com',

tox.ini

@@ -16,5 +16,5 @@ commands= nosetests --with-xunit --xunit-file=junit-{envname}.xml gfxlcd/tests
     /bin/bash -c "pylint gfxlcd > pylint-{envname}.log || :"
 [flake8]
 show-source = True
-exclude = .git,.venv,.tox,dist,doc,build,*egg,*/tests/*
+exclude = .git,.venv,.tox,dist,doc,build,*egg,*/tests/*,*/demos/*