mbirth/wipy-ussd1306
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Changed order of initialisation according to datasheet.

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This commit is contained in:
Markus Birth 2016-03-28 18:49:45 +02:00
parent 754e748f92
commit 041bad00d3
1 changed files with 5 additions and 5 deletions
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ussd1306-i2c.py
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@ -44,7 +44,7 @@ class SSD1306:
POWER_DOWN = 0xae
DISPLAY_BLANK = 0xae
DISPLAY_ALL = 0xa5
DISPLAY_NORMAL = [0xaf, 0xa4, 0xa6]
DISPLAY_NORMAL = [0xa4, 0xa6, 0xaf]
DISPLAY_INVERSE = 0xa7
DC_CMD = 0x80
DC_DATA = 0x40
@ -74,17 +74,17 @@ class SSD1306:
self.power_on() # enable power to the display
self.set_power(self.POWER_DOWN) # set display to sleep mode
self.set_osc_freq(8, False) # set oscillator freq., but don't send to LCD yet
self.set_clock_div(1) # set clock div and send osc_freq+clock_div to LCD
self.set_mux_ratio(self.height) # set multiplex ratio to 64 (default), for 32px: 32
self.set_disp_offset(0) # set display offset to 0
self.set_disp_start_line(0) # set display start line to 0
self.set_chargepump_enabled(True) # chargepump on (ext. VCC: off)
self.set_addressing(self.ADDRESSING_HORIZ)
self.set_segment_remap_enabled(False)
self.set_com_output_scan_dir_remap_enabled(False)
self.set_com_pins_hw_config(True, False) # COM pins (for 32px: False, False)
self.set_contrast(255)
self.set_osc_freq(8, False) # set oscillator freq., but don't send to LCD yet
self.set_clock_div(1) # set clock div and send osc_freq+clock_div to LCD
self.set_chargepump_enabled(True) # chargepump on (ext. VCC: off)
self.set_addressing(self.ADDRESSING_HORIZ)
self.set_precharge_period(15, 1) # with ext. VCC: 2, 2 (RESET)
self.set_vcomh_deselect_level(4)
self.set_display(DISPLAY_NORMAL) # enables and sets disp to show RAM contents, not inversed