def draw_pixel(self, pos_x, pos_y, color=None):
"""draw a pixel at x,y"""
if self.rotation == 90:
pos_x, pos_y = self.height - pos_y - 1, pos_x
if self.rotation == 180:
pos_x, pos_y = self.width - pos_x - 1, self.height - pos_y - 1
if self.rotation == 270:
pos_x, pos_y = pos_y, self.width - pos_x - 1
Page.draw_pixel(self, pos_x, pos_y, color)
def __init__(self, width, height, driver, auto_flush=True):
Chip.__init__(self, width, height, driver, auto_flush)
Page.__init__(self, driver)
self.rotation = 0
self.buffer = []
self.area = {
'start_x': 0,
'start_y': 0,
'end_x': width - 1,
'end_y': height - 1
}
def init(self):
"""initialize display"""
self.driver.init()
Page.init(self)
Chip.init(self)
self.driver.reset()
init_sequence = [0xae, 0xa4, 0xa9, 0xe2, 0xa0, 0xaf]
for cmd in init_sequence:
self.driver.cmd(cmd, 0)
self.driver.cmd(cmd, 1)
def fill_rect(self, pos_x1, pos_y1, pos_x2, pos_y2):
"""draw a filled rectangle"""
if self.rotation == 90:
pos_x1, pos_y1 = self.height - pos_y1 - 1, pos_x1
pos_x2, pos_y2 = self.height - pos_y2 - 1, pos_x2
if self.rotation == 180:
pos_x1, pos_y1 = self.width - pos_x1 - 1, self.height - pos_y1 - 1
pos_x2, pos_y2 = self.width - pos_x2 - 1, self.height - pos_y2 - 1
if self.rotation == 270:
pos_x1, pos_y1 = pos_y1, self.width - pos_x1 - 1
pos_x2, pos_y2 = pos_y2, self.width - pos_x2 - 1
Page.fill_rect(self, pos_x1, pos_y1, pos_x2, pos_y2)
def init(self):
"""inits a device"""
self.driver.init()
Page.init(self)
Chip.init(self)
self.driver.reset()
self.driver.cmd(0xae) # turn off panel
self.driver.cmd(0x00) # set low column address
self.driver.cmd(0x10) # set high column address
self.driver.cmd(0x40) # set start line address
self.driver.cmd(0x20) # addr mode
self.driver.cmd(0x02) # horizontal
self.driver.cmd(0xb0) # set page address
self.driver.cmd(0x81) # set contrast control register
self.driver.cmd(0xff)
# a0/a1, a1 = segment 127 to 0, a0:0 to seg127
self.driver.cmd(self.rotations[self.rotation]['sgmt'])
# c8/c0 set com(N-1)to com0 c0:com0 to com(N-1)
self.driver.cmd(self.rotations[self.rotation]['com'])
self.driver.cmd(0xa6) # set normal display, a6 - normal, a7 - inverted
self.driver.cmd(0xa8) # set multiplex ratio(16to63)
self.driver.cmd(0x3f) # 1/64 duty
self.driver.cmd(0xd3) # set display offset
self.driver.cmd(0x00) # not offset
# set display clock divide ratio/oscillator frequency
self.driver.cmd(0xd5)
self.driver.cmd(0x80) # set divide ratio
self.driver.cmd(0xd9) # set pre-charge period
self.driver.cmd(0xf1)
self.driver.cmd(0xda) # set com pins hardware configuration
self.driver.cmd(0x12)
self.driver.cmd(0xdb) # set vcomh
self.driver.cmd(0x40)
self.driver.cmd(0x8d) # charge pump
self.driver.cmd(0x14) # enable charge pump
self.driver.cmd(0xaf) # turn on panel
def init(self):
"""inits a device"""
Page.init(self)
Chip.init(self)
def __init__(self, width, height, driver, auto_flush=False):
Chip.__init__(self, width, height, driver, auto_flush)
Page.__init__(self, driver)
self.rotation = 0
def draw_pixel(self, pos_x, pos_y, color=None):
"""draw a pixel at x,y"""
if self.rotation == 90 or self.rotation == 270:
pos_x, pos_y = pos_y, pos_x
Page.draw_pixel(self, pos_x, pos_y, color)