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_8MD06INKM.py
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import time
class _8MD06INKM():
def __init__(self, spi, rest_pin, cs_pin, hv_en_pin):
self.spi = spi
self.rest_pin = rest_pin
self.cs_pin = cs_pin
self.hv_en_pin = hv_en_pin
def __msb_to_lsb(self, data):
tran_data=0x00
tran_data = tran_data | ((data & (0x80 >> 0)) >> 7)
tran_data = tran_data | ((data & (0x80 >> 1)) >> 5)
tran_data = tran_data | ((data & (0x80 >> 2)) >> 3)
tran_data = tran_data | ((data & (0x80 >> 3)) >> 1)
tran_data = tran_data | ((data & (0x80 >> 4)) << 1)
tran_data = tran_data | ((data & (0x80 >> 5)) << 3)
tran_data = tran_data | ((data & (0x80 >> 6)) << 5)
tran_data = tran_data | ((data & (0x80 >> 7)) << 7)
return tran_data
def init(self):
self.hv_on()
self.rest_pin.value(1)
time.sleep(0.1)
self.cs_pin.value(1)
self.__send_data_batch(0xE0, 0x07)
self.__send_data_batch(0xE8, 0x00)
# brightness： 0-255
def set_brightness(self, brightness:int):
self.__send_data_batch(0xE4, brightness)
def hard_rest(self):
self.rest_pin.value(0)
time.sleep(0.1)
self.rest_pin.value(1)
def hv_off(self):
self.hv_en_pin.value(0)
def hv_on(self):
self.hv_en_pin.value(1)
def __send_data_batch(self, command, data):
self.cs_pin.value(0)
data_list = bytearray(1)
data_list[0]=self.__msb_to_lsb(command)
self.spi.write(data_list)
time.sleep_ms(1)
data_list[0]=self.__msb_to_lsb(data)
self.spi.write(data_list)
time.sleep_ms(1)
self.cs_pin.value(1)
def __send_data(self, data):
data_list = bytearray(1)
data_list[0]=self.__msb_to_lsb(data)
self.spi.write(data_list)
def __write_customize_to_ram(self, position, data_list):
self.cs_pin.value(0)
# only use first customize ram
self.__send_data(0x40 + position)
time.sleep_ms(1)
self.__send_data(data_list[0])
time.sleep_ms(1)
self.__send_data(data_list[1])
time.sleep_ms(1)
self.__send_data(data_list[2])
time.sleep_ms(1)
self.__send_data(data_list[3])
time.sleep_ms(1)
self.__send_data(data_list[4])
self.cs_pin.value(1)
#one zone is 5*7, bits_list size is 5, and use first 7 bit(LSB) in all of the 8 bit
def print_bits(self, position, bits_list):
self.__write_customize_to_ram(position, bits_list)
self.print_code(position, position)
def print_char(self, position, char):
self.print_code(position, ord(char))
def print_code(self, position, code):
self.cs_pin.value(0)
self.__send_data(0x20 + position)
time.sleep_ms(1)
self.__send_data(code);
self.cs_pin.value(1)