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| author | Radomir Dopieralski <openstack@sheep.art.pl> | 2016-05-22 22:50:38 +0200 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2016-06-03 11:13:17 +0100 |
| commit | 43c8f545d27d41c378b3765bfdb8f8c122d73dfc (patch) | |
| tree | 00bdcbdba92e1c17bbbfd11d7a03d9fae7047cd3 /drivers | |
| parent | ddadbaed06913dd05f786a30bca820f8a58c11c3 (diff) | |
| download | micropython-43c8f545d27d41c378b3765bfdb8f8c122d73dfc.tar.gz micropython-43c8f545d27d41c378b3765bfdb8f8c122d73dfc.zip | |
drivers/display/ssd1306: update SSD1306_SPI to work with new API
Makes it work on the ESP8266.
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/display/ssd1306.py | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/drivers/display/ssd1306.py b/drivers/display/ssd1306.py index 852e015a5e..3bccf72dae 100644 --- a/drivers/display/ssd1306.py +++ b/drivers/display/ssd1306.py @@ -3,6 +3,7 @@ import time import framebuf + # register definitions SET_CONTRAST = const(0x81) SET_ENTIRE_ON = const(0xa4) @@ -22,6 +23,7 @@ SET_PRECHARGE = const(0xd9) SET_VCOM_DESEL = const(0xdb) SET_CHARGE_PUMP = const(0x8d) + class SSD1306: def __init__(self, height, external_vcc): self.width = 128 @@ -91,6 +93,7 @@ class SSD1306: def text(self, string, x, y, col=1): self.framebuf.text(string, x, y, col) + class SSD1306_I2C(SSD1306): def __init__(self, height, i2c, addr=0x3c, external_vcc=False): self.i2c = i2c @@ -114,27 +117,34 @@ class SSD1306_I2C(SSD1306): def poweron(self): pass -# TODO convert this class to use the new hardware API + class SSD1306_SPI(SSD1306): - def __init__(self, height, spi, dc, res, cs=None, external_vcc=False): - rate = 10 * 1024 * 1024 - spi.init(spi.MASTER, baudrate=rate, polarity=0, phase=0) - dc.init(dc.OUT, dc.PULL_NONE, value=0) - res.init(res.OUT, dc.PULL_NONE, value=0) - if cs is not None: - cs.init(cs.OUT, cs.PULL_NONE, value=0) + def __init__(self, height, spi, dc, res, cs, external_vcc=False): + self.rate = 10 * 1024 * 1024 + dc.init(dc.OUT, value=0) + res.init(res.OUT, value=0) + cs.init(cs.OUT, value=1) self.spi = spi self.dc = dc self.res = res + self.cs = cs super().__init__(height, external_vcc) def write_cmd(self, cmd): + self.spi.init(baudrate=self.rate, polarity=0, phase=0) + self.cs.high() self.dc.low() - self.spi.send(cmd) + self.cs.low() + self.spi.write(bytearray([cmd])) + self.cs.high() def write_data(self, buf): + self.spi.init(baudrate=self.rate, polarity=0, phase=0) + self.cs.high() self.dc.high() - self.spi.send(buf) + self.cs.low() + self.spi.write(buf) + self.cs.high() def poweron(self): self.res.high() @@ -142,4 +152,3 @@ class SSD1306_SPI(SSD1306): self.res.low() time.sleep_ms(10) self.res.high() - time.sleep_ms(10) |