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drivers/display/ssd1306.py: Change to use new i2c.writevto() method.

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Fixes issue #3482.
This commit is contained in:
Damien George 2019-05-08 18:46:37 +10:00
parent b10d0664be
commit 02afc0d241
1 changed files with 3 additions and 6 deletions
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9
drivers/display/ssd1306.py
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@ -96,6 +96,7 @@ class SSD1306_I2C(SSD1306):
self.i2c = i2c
self.addr = addr
self.temp = bytearray(2)
self.write_list = [b'\x40', None] # Co=0, D/C#=1
super().__init__(width, height, external_vcc)
def write_cmd(self, cmd):
@ -104,12 +105,8 @@ class SSD1306_I2C(SSD1306):
self.i2c.writeto(self.addr, self.temp)
def write_data(self, buf):
self.temp[0] = self.addr << 1
self.temp[1] = 0x40 # Co=0, D/C#=1
self.i2c.start()
self.i2c.write(self.temp)
self.i2c.write(buf)
self.i2c.stop()
self.write_list[1] = buf
self.i2c.writevto(self.addr, self.write_list)
class SSD1306_SPI(SSD1306):