Merge pull request #63 from fpammer/driver-5in65f

Add support for new Waveshare 5.65 inch 7 color e-paper display

Author: joukos

drivers/drivers_color.py

@@ -15,6 +15,7 @@
 #     along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 from drivers.drivers_full import WaveshareFull
+from PIL import Image
 
 
 class WaveshareColor(WaveshareFull):
@@ -224,6 +225,160 @@ def sleep(self):
         self.send_data(0xa5)
 
 
+class EPD5in65f(WaveshareColor):
+    """Waveshare 5.65" - 7 colors"""
+
+    LUT_BLACK = 0x000000  # 0000  BGR
+    LUT_WHITE = 0xffffff  # 0001
+    LUT_GREEN = 0x00ff00  # 0010
+    LUT_BLUE = 0xff0000  # 0011
+    LUT_RED = 0x0000ff  # 0100
+    LUT_YELLOW = 0x00ffff  # 0101
+    LUT_ORANGE = 0x0080ff  # 0110
+    POWER_SAVING = 0xE3
+    TCON_RESOLUTION = 0x61
+    TEMPERATURE_CALIBRATION = 0x41
+
+    def __init__(self):
+        super().__init__(name='5.65" F', width=600, height=448)
+
+    def reset(self):
+        self.digital_write(self.RST_PIN, 1)
+        self.delay_ms(600)
+        self.digital_write(self.RST_PIN, 0)
+        self.delay_ms(2)
+        self.digital_write(self.RST_PIN, 1)
+        self.delay_ms(200)
+
+    def send_command(self, command):
+        self.digital_write(self.DC_PIN, 0)
+        self.digital_write(self.CS_PIN, 0)
+        self.spi_transfer([command])
+        self.digital_write(self.CS_PIN, 1)
+
+    def send_data(self, data):
+        self.digital_write(self.DC_PIN, 1)
+        self.digital_write(self.CS_PIN, 0)
+        self.spi_transfer([data])
+        self.digital_write(self.CS_PIN, 1)
+
+    def wait_until_busy(self):
+        while self.digital_read(self.BUSY_PIN) == 0:  # 0: idle, 1: busy
+            self.delay_ms(100)
+
+    def wait_until_idle(self):
+        while self.digital_read(self.BUSY_PIN) == 1:  # 0: idle, 1: busy
+            self.delay_ms(100)
+
+    def init(self, **kwargs):
+        if self.epd_init() != 0:
+            return -1
+
+        # EPD hardware init start
+        self.reset()
+
+        self.wait_until_busy()
+        self.send_command(self.PANEL_SETTING)
+        self.send_data(0xEF)
+        self.send_data(0x08)
+        self.send_command(self.POWER_SETTING)
+        self.send_data(0x37)
+        self.send_data(0x00)
+        self.send_data(0x23)
+        self.send_data(0x23)
+        self.send_command(self.POWER_OFF_SEQUENCE_SETTING)
+        self.send_data(0x00)
+        self.send_command(self.BOOSTER_SOFT_START)
+        self.send_data(0xC7)
+        self.send_data(0xC7)
+        self.send_data(0x1D)
+        self.send_command(self.PLL_CONTROL)
+        self.send_data(0x3C)
+        self.send_command(self.TEMPERATURE_SENSOR_COMMAND)
+        self.send_data(0x00)
+        self.send_command(self.VCOM_AND_DATA_INTERVAL_SETTING)
+        self.send_data(0x37)
+        self.send_command(self.TCON_SETTING)
+        self.send_data(0x22)
+        self.send_command(self.TCON_RESOLUTION)
+        self.send_data(0x02)
+        self.send_data(0x58)
+        self.send_data(0x01)
+        self.send_data(0xC0)
+        self.send_command(self.POWER_SAVING)
+        self.send_data(0xAA)
+
+        self.delay_ms(100)
+        self.send_command(0x50)
+        self.send_data(0x37)
+
+    def get_frame_buffer(self, image, reverse=False):
+        buf = [0x00] * int(self.width * self.height / 2)
+
+        # quantize image with palette of possible colors
+        image_palette = Image.new('P', (1, 1))
+        image_palette.putpalette(([0, 0, 0, 255, 255, 255, 0, 255, 0, 0, 0, 255, 255, 0, 0, 255, 255, 0, 255, 128, 0]
+                                  + [0, 0, 0]) * 32) # multiply by 32 to pad palette to reach required length of 768
+        image_rgb = image.quantize(palette=image_palette).convert('RGB')
+
+        imwidth, imheight = image_rgb.size
+
+        if imwidth != self.width or imheight != self.height:
+            raise ValueError('Image must be same dimensions as display \
+                ({0}x{1}).'.format(self.width, self.height))
+
+        pixels = image_rgb.load()
+
+        for y in range(self.height):
+            for x in range(self.width):
+                pos = int((x + y * self.width) / 2)
+                color = 0
+
+                if pixels[x, y][0] == 0 and pixels[x, y][1] == 0 and pixels[x, y][2] == 0:
+                    color = 0
+                elif pixels[x, y][0] == 255 and pixels[x, y][1] == 255 and pixels[x, y][2] == 255:
+                    color = 1
+                elif pixels[x, y][0] == 0 and pixels[x, y][1] == 255 and pixels[x, y][2] == 0:
+                    color = 2
+                elif pixels[x, y][0] == 0 and pixels[x, y][1] == 0 and pixels[x, y][2] == 255:
+                    color = 3
+                elif pixels[x, y][0] == 255 and pixels[x, y][1] == 0 and pixels[x, y][2] == 0:
+                    color = 4
+                elif pixels[x, y][0] == 255 and pixels[x, y][1] == 255 and pixels[x, y][2] == 0:
+                    color = 5
+                elif pixels[x, y][0] == 255 and pixels[x, y][1] == 128 and pixels[x, y][2] == 0:
+                    color = 6
+
+                data_t = buf[pos] & (~(0xF0 >> ((x % 2) * 4)))
+                buf[pos] = data_t | ((color << 4) >> ((x % 2) * 4))
+
+        return buf
+
+    def display_frame(self, frame_buffer, *args):
+        self.send_command(self.TCON_RESOLUTION)
+        self.send_data(0x02)
+        self.send_data(0x58)
+        self.send_data(0x01)
+        self.send_data(0xC0)
+        self.send_command(self.DATA_START_TRANSMISSION_1)
+        for i in range(0, int(self.height)):
+            for j in range(0, int(self.width / 2)):
+                self.send_data((frame_buffer[j + (int(self.width / 2) * i)]))
+        self.send_command(self.POWER_ON)
+        self.wait_until_busy()
+        self.send_command(self.DISPLAY_REFRESH)
+        self.wait_until_busy()
+        self.send_command(self.POWER_OFF)
+        self.wait_until_idle()
+        self.delay_ms(500)
+
+    def sleep(self):
+        self.delay_ms(500)
+        self.send_command(self.DEEP_SLEEP)
+        self.send_data(0XA5)
+        self.digital_write(self.RST_PIN, 0)
+
+
 # This is a 'monochrome' display but surprisingly, the only difference to EPD7in5b is
 # setting a different resolution in init() (after TCON_RESOLUTION command),
 # thus, it is here and a subclass of EPD7in5b (for now).

papertty.py

@@ -411,6 +411,7 @@ def get_drivers():
 
                   drivers_color.EPD4in2b, drivers_color.EPD7in5b,
                   drivers_color.EPD5in83, drivers_color.EPD5in83b,
+                  drivers_color.EPD5in65f,
 
                   drivers_colordraw.EPD1in54b, drivers_colordraw.EPD1in54c,
                   drivers_colordraw.EPD2in13b, drivers_colordraw.EPD2in7b,