From 3d3ae56bcc5a508ade5812e265bcb6a2337076d0 Mon Sep 17 00:00:00 2001 From: Ace Date: Thu, 2 May 2019 19:24:03 +0200 Subject: [PATCH] removing test --- e_paper_drivers.py | 213 --------------------------------------------- 1 file changed, 213 deletions(-) delete mode 100644 e_paper_drivers.py diff --git a/e_paper_drivers.py b/e_paper_drivers.py deleted file mode 100644 index 81254cb..0000000 --- a/e_paper_drivers.py +++ /dev/null @@ -1,213 +0,0 @@ -import epdif -from PIL import Image -import RPi.GPIO as GPIO -from settings import display_colours - -# Display resolution -EPD_WIDTH = 640 -EPD_HEIGHT = 384 - -# EPD7IN5 commands -PANEL_SETTING = 0x00 -POWER_SETTING = 0x01 -POWER_OFF = 0x02 -POWER_OFF_SEQUENCE_SETTING = 0x03 -POWER_ON = 0x04 -POWER_ON_MEASURE = 0x05 -BOOSTER_SOFT_START = 0x06 -DEEP_SLEEP = 0x07 -DATA_START_TRANSMISSION_1 = 0x10 -DATA_STOP = 0x11 -DISPLAY_REFRESH = 0x12 -IMAGE_PROCESS = 0x13 -LUT_FOR_VCOM = 0x20 -LUT_BLUE = 0x21 -LUT_WHITE = 0x22 -LUT_GRAY_1 = 0x23 -LUT_GRAY_2 = 0x24 -LUT_RED_0 = 0x25 -LUT_RED_1 = 0x26 -LUT_RED_2 = 0x27 -LUT_RED_3 = 0x28 -LUT_XON = 0x29 -PLL_CONTROL = 0x30 -TEMPERATURE_SENSOR_COMMAND = 0x40 -TEMPERATURE_CALIBRATION = 0x41 -TEMPERATURE_SENSOR_WRITE = 0x42 -TEMPERATURE_SENSOR_READ = 0x43 -VCOM_AND_DATA_INTERVAL_SETTING = 0x50 -LOW_POWER_DETECTION = 0x51 -TCON_SETTING = 0x60 -TCON_RESOLUTION = 0x61 -SPI_FLASH_CONTROL = 0x65 -REVISION = 0x70 -GET_STATUS = 0x71 -AUTO_MEASUREMENT_VCOM = 0x80 -READ_VCOM_VALUE = 0x81 -VCM_DC_SETTING = 0x82 - -class EPD: - def __init__(self): - self.reset_pin = epdif.RST_PIN - self.dc_pin = epdif.DC_PIN - self.busy_pin = epdif.BUSY_PIN - self.width = EPD_WIDTH - self.height = EPD_HEIGHT - - def digital_write(self, pin, value): - epdif.epd_digital_write(pin, value) - - def digital_read(self, pin): - return epdif.epd_digital_read(pin) - - def delay_ms(self, delaytime): - epdif.epd_delay_ms(delaytime) - - def send_command(self, command): - self.digital_write(self.dc_pin, GPIO.LOW) - # the parameter type is list but not int - # so use [command] instead of command - epdif.spi_transfer([command]) - - def send_data(self, data): - self.digital_write(self.dc_pin, GPIO.HIGH) - # the parameter type is list but not int - # so use [data] instead of data - epdif.spi_transfer([data]) - - def init(self): - if (epdif.epd_init() != 0): - return -1 - self.reset() - self.send_command(POWER_SETTING) - self.send_data(0x37) - self.send_data(0x00) - self.send_command(PANEL_SETTING) - self.send_data(0xCF) - self.send_data(0x08) - self.send_command(BOOSTER_SOFT_START) - self.send_data(0xc7) - self.send_data(0xcc) - self.send_data(0x28) - self.send_command(POWER_ON) - self.wait_until_idle() - self.send_command(PLL_CONTROL) - self.send_data(0x3c) - self.send_command(TEMPERATURE_CALIBRATION) - self.send_data(0x00) - self.send_command(VCOM_AND_DATA_INTERVAL_SETTING) - self.send_data(0x77) - self.send_command(TCON_SETTING) - self.send_data(0x22) - self.send_command(TCON_RESOLUTION) - self.send_data(0x02) #source 640 - self.send_data(0x80) - self.send_data(0x01) #gate 384 - self.send_data(0x80) - self.send_command(VCM_DC_SETTING) - self.send_data(0x1E) #decide by LUT file - self.send_command(0xe5) #FLASH MODE - self.send_data(0x03) - - def wait_until_idle(self): - while(self.digital_read(self.busy_pin) == 0): # 0: busy, 1: idle - self.delay_ms(100) - - def reset(self): - self.digital_write(self.reset_pin, GPIO.LOW) # module reset - self.delay_ms(200) - self.digital_write(self.reset_pin, GPIO.HIGH) - self.delay_ms(200) - - - def get_frame_buffer(self, image): - if display_colours is 'bwr': - buf = [0x00] * int(self.width * self.height / 4) - image_grayscale = image.convert('L', dither=None) - imwidth, imheight = image_grayscale.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_grayscale.load() - - for y in range(self.height): - for x in range(self.width): - # Set the bits for the column of pixels at the current position. - if pixels[x, y] == 0: # black - buf[int((x + y * self.width) / 4)] &= ~(0xC0 >> (x % 4 * 2)) - elif pixels[x, y] == 76: # convert gray to red - buf[int((x + y * self.width) / 4)] &= ~(0xC0 >> (x % 4 * 2)) - buf[int((x + y * self.width) / 4)] |= 0x40 >> (x % 4 * 2) - else: # white - buf[int((x + y * self.width) / 4)] |= 0xC0 >> (x % 4 * 2) - return buf - - if display_colours is 'bw': - buf = [0x00] * int(self.width * self.height / 8) - image_monocolor = image.convert('1') - imwidth, imheight = image_monocolor.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_monocolor.load() - for y in range(self.height): - for x in range(self.width): - # Set the bits for the column of pixels at the current position. - if pixels[x, y] != 0: - buf[int((x + y * self.width) / 8)] |= 0x80 >> (x % 8) - return buf - - - def display_frame(self, frame_buffer): - self.send_command(DATA_START_TRANSMISSION_1) - if display_colours is 'bwr': - for i in range(0, int(self.width / 4 * self.height)): - temp1 = frame_buffer[i] - j = 0 - while (j < 4): - if ((temp1 & 0xC0) == 0xC0): - temp2 = 0x03 - elif ((temp1 & 0xC0) == 0x00): - temp2 = 0x00 - else: - temp2 = 0x04 - temp2 = (temp2 << 4) & 0xFF - temp1 = (temp1 << 2) & 0xFF - j += 1 - if((temp1 & 0xC0) == 0xC0): - temp2 |= 0x03 - elif ((temp1 & 0xC0) == 0x00): - temp2 |= 0x00 - else: - temp2 |= 0x04 - temp1 = (temp1 << 2) & 0xFF - self.send_data(temp2) - j += 1 - if display_colours is 'bw': - for i in range(0, 30720): - temp1 = frame_buffer[i] - j = 0 - while (j < 8): - if(temp1 & 0x80): - temp2 = 0x03 - else: - temp2 = 0x00 - temp2 = (temp2 << 4) & 0xFF - temp1 = (temp1 << 1) & 0xFF - j += 1 - if(temp1 & 0x80): - temp2 |= 0x03 - else: - temp2 |= 0x00 - temp1 = (temp1 << 1) & 0xFF - self.send_data(temp2) - j += 1 - self.send_command(DISPLAY_REFRESH) - self.delay_ms(100) - self.wait_until_idle() - - def sleep(self): - self.send_command(POWER_OFF) - self.wait_until_idle() - self.send_command(DEEP_SLEEP) - self.send_data(0xa5)