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authorDamien George <damien.p.george@gmail.com>2017-10-06 12:45:16 +1100
committerDamien George <damien.p.george@gmail.com>2017-10-06 12:48:44 +1100
commitca2427c31399834bcc7df6177b3314aa7242046e (patch)
tree45a6fc0ea68ee55ccaeeb9deb4d150fbae717a05 /drivers/display/ssd1306.py
parent7df4083ac6344944e895b5911d59b64b68c8c134 (diff)
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.
Diffstat (limited to 'drivers/display/ssd1306.py')
-rw-r--r--drivers/display/ssd1306.py21
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/display/ssd1306.py b/drivers/display/ssd1306.py
index a05eda7df..cd358d00e 100644
--- a/drivers/display/ssd1306.py
+++ b/drivers/display/ssd1306.py
@@ -1,7 +1,6 @@
# MicroPython SSD1306 OLED driver, I2C and SPI interfaces
from micropython import const
-import time
import framebuf
@@ -47,7 +46,6 @@ class SSD1306:
self.text = fb.text
self.scroll = fb.scroll
self.blit = fb.blit
- self.poweron()
self.init_display()
def init_display(self):
@@ -80,6 +78,9 @@ class SSD1306:
def poweroff(self):
self.write_cmd(SET_DISP | 0x00)
+ def poweron(self):
+ self.write_cmd(SET_DISP | 0x01)
+
def contrast(self, contrast):
self.write_cmd(SET_CONTRAST)
self.write_cmd(contrast)
@@ -123,9 +124,6 @@ class SSD1306_I2C(SSD1306):
self.i2c.write(buf)
self.i2c.stop()
- def poweron(self):
- self.write_cmd(SET_DISP | 0x01)
-
class SSD1306_SPI(SSD1306):
def __init__(self, width, height, spi, dc, res, cs, external_vcc=False):
@@ -137,6 +135,12 @@ class SSD1306_SPI(SSD1306):
self.dc = dc
self.res = res
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)
def write_cmd(self, cmd):
@@ -154,10 +158,3 @@ class SSD1306_SPI(SSD1306):
self.cs(0)
self.spi.write(buf)
self.cs(1)
-
- def poweron(self):
- self.res(1)
- time.sleep_ms(1)
- self.res(0)
- time.sleep_ms(10)
- self.res(1)