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| author | Damien George <damien.p.george@gmail.com> | 2019-05-08 18:46:37 +1000 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2019-05-20 15:06:39 +1000 |
| commit | 02afc0d241dbd0efb985ba5a7ded9cea616ffcd7 (patch) | |
| tree | 441421373ca44f61f7b713fd77a28d9a5dedb25c | |
| parent | b10d0664be04d0ff242fc11e7d246b97e3101f1b (diff) | |
drivers/display/ssd1306.py: Change to use new i2c.writevto() method.
Fixes issue #3482.
| -rw-r--r-- | drivers/display/ssd1306.py | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/display/ssd1306.py b/drivers/display/ssd1306.py index 178b4911d..f93a451e8 100644 --- a/drivers/display/ssd1306.py +++ b/drivers/display/ssd1306.py @@ -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): |