Mercurial > micropython-oled
changeset 0:a28b87ff3a97 draft
Initial commit
| author | Radomir Dopieralski <sheep-devel@sheep.art.pl> |
|---|---|
| date | Tue, 17 Oct 2017 01:24:38 +0200 |
| parents | |
| children | 3d7d948fc7e9 |
| files | README.md sh1106_i2c.py sh1106_spi.py ssd1306_i2c.py ssd1306_spi.py |
| diffstat | 5 files changed, 277 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/README.md Tue Oct 17 01:24:38 2017 +0200 @@ -0,0 +1,32 @@ +Examples +******** + +SH1106 I2C Example +================== + +```python +import sh1106_i2c +from machine import I2C, Pin + +i2c = I2C(-1, sda=Pin(4), scl=Pin(5), freq=400000) +d = sh1106_i2c.Display(i2c) +d.fb.fill(1) +d.fb.pixel(64, 32, 0) +d.update() +``` + +SH1106 SPI Example +================== + +```python +import sh1106_spi +from machine import SPI, Pin + +spi = SPI(1, baudrate=20000000) +dc = Pin(12, Pin.OUT) +cs = Pin(15, Pin.OUT) +d = sh1106_spi.Display(spi, dc, cs) +d.fb.fill(1) +d.fb.pixel(64, 32, 0) +d.update() +```
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/sh1106_i2c.py Tue Oct 17 01:24:38 2017 +0200 @@ -0,0 +1,53 @@ +import framebuf + + +class Display: + _byte = bytearray(1) + _word = bytearray(2) + + def __init__(self, i2c, address=0x3c, width=128, height=64): + self._i2c = i2c + self._address = address + self.width = width + self.height = height + + self._command = bytearray(b'\xb0\x02\x10') + if width > 128: + self._command[1] = 0x00 + self._i2c.writeto_mem(self._address, 0x00, b'\xae\xd5\x80\xa8\x3f\xd3' + b'\x00\x40\x80\x14\x20\x00\xc0\xa0\xda\x12' + b'\x81\xcf\xd9\xf1\xdb\x40\xa4\xa6\xaf') + + buffer = bytearray(1024) + self.fb = framebuf.FrameBuffer(buffer, width, height, framebuf.MVLSB) + self._buffer = memoryview(buffer) + + def active(self, val): + self._i2c.writeto_mem(self._address, 0x00, b'\xaf' if val else b'\xae') + + def inverse(self, val): + self._i2c.writeto_mem(self._address, 0x00, b'\xa7' if val else b'\xa6') + + def vscroll(self, dy): + self._byte[0] = 0x40 | dy & 0x3f + self._i2c.writeto_mem(self._address, 0x00, self._byte) + + def flip(self, val): + self._i2c.writeto_mem(self._address, 0x00, b'\xc0' if val else b'\xc8') + + def mirror(self, val): + self._i2c.writeto_mem(self._address, 0x00, b'\xa0' if val else b'\xa1') + + def contrast(self, val): + self._word[0] = 0x81 + self._word[1] = val & 0xff + self._i2c.writeto_mem(self._address, 0x00, self._word) + + def update(self): + index = 0 + for page in range(self.height // 8): + self._command[0] = 0xb0 | page + self._i2c.writeto_mem(self._address, 0x00, self._command) + self._i2c.writeto_mem(self._address, 0x40, + self._buffer[index:index + self.width]) + index += self.width
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/sh1106_spi.py Tue Oct 17 01:24:38 2017 +0200 @@ -0,0 +1,63 @@ +import framebuf + + +class Display: + _byte = bytearray(1) + _word = bytearray(2) + + def __init__(self, spi, dc, cs=None, width=128, height=64): + self._spi = spi + self._cs = cs or (lambda x: x) + self._dc = dc + self.width = width + self.height = height + + self._command = bytearray(b'\xb0\x02\x10') + if width > 128: + self._command[1] = 0x00 + self._write(b'\xae\xd5\x80\xa8\x3f\xd3' + b'\x00\x40\x80\x14\x20\x00\xc0\xa0\xda\x12' + b'\x81\xcf\xd9\xf1\xdb\x40\xa4\xa6\xaf') + + buffer = bytearray(1024) + self.fb = framebuf.FrameBuffer(buffer, width, height, framebuf.MVLSB) + self._buffer = memoryview(buffer) + + def _write(self, data, command=True): + self._dc(not command) + self._cs(0) + self._spi.write(data) + self._cs(1) + + def active(self, val): + self._write(b'\xaf' if val else b'\xae') + + def inverse(self, val): + self._write(b'\xa7' if val else b'\xa6') + + def vscroll(self, dy): + self._byte[0] = 0x40 | dy & 0x3f + self._write(self._byte) + + def flip(self, val): + self._write(b'\xc0' if val else b'\xc8') + + def mirror(self, val): + self._write(b'\xa0' if val else b'\xa1') + + def contrast(self, val): + self._word[0] = 0x81 + self._word[1] = val & 0xff + self._write(self._word) + + def update(self): + self._cs(0) + index = 0 + for page in range(self.height // 8): + self._command[0] = 0xb0 | page + self._dc(0) + self._spi.write(self._command) + self._dc(1) + self._spi.write(self._buffer[index:index + self.width]) + index += self.width + self._cs(1)
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ssd1306_i2c.py Tue Oct 17 01:24:38 2017 +0200 @@ -0,0 +1,59 @@ +import framebuf + + +class Display: + _byte = bytearray(1) + _word = bytearray(2) + + def __init__(self, i2c, address=0x3c, width=128, height=64): + self._i2c = i2c + self._address = address + self.width = width + self.height = height + pages = height // 8 + + self._command = bytearray(b'\x21\x00\x7f\x22\x00\x0f') + self._command[2] = width - 1 + if width == 64: + self._command[1] += 32 + self._command[2] += 32 + self._command[5] = pages - 1 + self._i2c.writeto_mem(self._address, 0x00, b'\xae\x20\x00\x40\x00\xa1' + b'\xc8\xd3\x00\xd5\x80\xd9\xf1\xdb\x30\x8d\x14' + b'\x81\xff\xa4\xa6') + self._word[0] = 0xa8 + self._word[1] = height - 1 + self._i2c.writeto_mem(self._address, 0x00, self._word) + self._word[0] = 0xda + self._word[1] = 0x02 if height == 32 else 0x12 + self._i2c.writeto_mem(self._address, 0x00, self._word) + self.active(True) + + buffer = bytearray(width * pages) + self.fb = framebuf.FrameBuffer(buffer, width, height, framebuf.MVLSB) + self._buffer = buffer + + def active(self, val): + self._i2c.writeto_mem(self._address, 0x00, b'\xaf' if val else b'\xae') + + def inverse(self, val): + self._i2c.writeto_mem(self._address, 0x00, b'\xa7' if val else b'\xa6') + + def vscroll(self, dy): + self._byte[0] = 0x40 | dy & 0x3f + self._i2c.writeto_mem(self._address, 0x00, self._byte) + + def flip(self, val): + self._i2c.writeto_mem(self._address, 0x00, b'\xc0' if val else b'\xc8') + + def mirror(self, val): + self._i2c.writeto_mem(self._address, 0x00, b'\xa0' if val else b'\xa1') + + def contrast(self, val): + self._word[0] = 0x81 + self._word[1] = val & 0xff + self._i2c.writeto_mem(self._address, 0x00, self._word) + + def update(self): + self._i2c.writeto_mem(self._address, 0x00, self._command) + self._i2c.writeto_mem(self._address, 0x40, self._buffer)
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ssd1306_spi.py Tue Oct 17 01:24:38 2017 +0200 @@ -0,0 +1,70 @@ +import framebuf + + +class Display: + _byte = bytearray(1) + _word = bytearray(2) + + def __init__(self, spi, dc, cs=None, width=128, height=64): + self._spi = spi + self._cs = cs or (lambda x: x) + self._dc = dc + self.width = width + self.height = height + pages = height // 8 + + self._command = bytearray(b'\x21\x00\x7f\x22\x00\x0f') + self._command[2] = width - 1 + if width == 64: + self._command[1] += 32 + self._command[2] += 32 + self._command[5] = pages - 1 + self._write(b'\xae\x20\x00\x40\x00\xa1' + b'\xc8\xd3\x00\xd5\x80\xd9\xf1\xdb\x30\x8d\x14' + b'\x81\xff\xa4\xa6') + self._word[0] = 0xa8 + self._word[1] = height - 1 + self._write(self._word) + self._word[0] = 0xda + self._word[1] = 0x02 if height == 32 else 0x12 + self._write(self._word) + self.active(True) + + buffer = bytearray(width * pages) + self.fb = framebuf.FrameBuffer(buffer, width, height, framebuf.MVLSB) + self._buffer = buffer + + def _write(self, data, command=True): + self._dc(not command) + self._cs(0) + self._spi.write(data) + self._cs(1) + + def active(self, val): + self._write(b'\xaf' if val else b'\xae') + + def inverse(self, val): + self._write(b'\xa7' if val else b'\xa6') + + def vscroll(self, dy): + self._byte[0] = 0x40 | dy & 0x3f + self._write(self._byte) + + def flip(self, val): + self._write(b'\xc0' if val else b'\xc8') + + def mirror(self, val): + self._write(b'\xa0' if val else b'\xa1') + + def contrast(self, val): + self._word[0] = 0x81 + self._word[1] = val & 0xff + self._write(self._word) + + def update(self): + self._cs(0) + self._dc(0) + self._spi.write(self._command) + self._dc(1) + self._spi.write(self._buffer) + self._cs(1)