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drivers/display/ssd1306: Make poweron() work the same with SSD1306_SPI. 

The poweroff() and poweron() methods are used to do soft power control of
the display, and this patch makes these methods work the same for both I2C
and SPI interfaces.
This commit is contained in:
Damien George 2017-10-06 12:45:16 +11:00
parent 7df4083ac6
commit ca2427c313
1 changed files with 9 additions and 12 deletions
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21
drivers/display/ssd1306.py
View File

@ -1,7 +1,6 @@
# MicroPython SSD1306 OLED driver, I2C and SPI interfaces # MicroPython SSD1306 OLED driver, I2C and SPI interfaces
from micropython import const from micropython import const
import time
import framebuf import framebuf
@ -47,7 +46,6 @@ class SSD1306:
self.text = fb.text self.text = fb.text
self.scroll = fb.scroll self.scroll = fb.scroll
self.blit = fb.blit self.blit = fb.blit
self.poweron()
self.init_display() self.init_display()
def init_display(self): def init_display(self):
@ -80,6 +78,9 @@ class SSD1306:
def poweroff(self): def poweroff(self):
self.write_cmd(SET_DISP | 0x00) self.write_cmd(SET_DISP | 0x00)
def poweron(self):
self.write_cmd(SET_DISP | 0x01)
def contrast(self, contrast): def contrast(self, contrast):
self.write_cmd(SET_CONTRAST) self.write_cmd(SET_CONTRAST)
self.write_cmd(contrast) self.write_cmd(contrast)
@ -123,9 +124,6 @@ class SSD1306_I2C(SSD1306):
self.i2c.write(buf) self.i2c.write(buf)
self.i2c.stop() self.i2c.stop()
def poweron(self):
self.write_cmd(SET_DISP | 0x01)
class SSD1306_SPI(SSD1306): class SSD1306_SPI(SSD1306):
def __init__(self, width, height, spi, dc, res, cs, external_vcc=False): def __init__(self, width, height, spi, dc, res, cs, external_vcc=False):
@ -137,6 +135,12 @@ class SSD1306_SPI(SSD1306):
self.dc = dc self.dc = dc
self.res = res self.res = res
self.cs = cs self.cs = cs
import time
self.res(1)
time.sleep_ms(1)
self.res(0)
time.sleep_ms(10)
self.res(1)
super().__init__(width, height, external_vcc) super().__init__(width, height, external_vcc)
def write_cmd(self, cmd): def write_cmd(self, cmd):
@ -154,10 +158,3 @@ class SSD1306_SPI(SSD1306):
self.cs(0) self.cs(0)
self.spi.write(buf) self.spi.write(buf)
self.cs(1) self.cs(1)
def poweron(self):
self.res(1)
time.sleep_ms(1)
self.res(0)
time.sleep_ms(10)
self.res(1)