本文整理汇总了Python中machine.SPI.MASTER属性的典型用法代码示例。如果您正苦于以下问题：Python SPI.MASTER属性的具体用法？Python SPI.MASTER怎么用？Python SPI.MASTER使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类machine.SPI的用法示例。
在下文中一共展示了SPI.MASTER属性的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: __init__
# 需要导入模块: from machine import SPI [as 别名]
# 或者: from machine.SPI import MASTER [as 别名]
def __init__(self, sck, mosi, miso, rst, cs):
self.sck = Pin(sck, Pin.OUT)
self.mosi = Pin(mosi, Pin.OUT)
self.miso = Pin(miso)
self.rst = Pin(rst, Pin.OUT)
self.cs = Pin(cs, Pin.OUT)
self.rst.value(0)
self.cs.value(1)
board = uname()[0]
if board == 'WiPy' or board == 'LoPy' or board == 'FiPy':
self.spi = SPI(0)
self.spi.init(SPI.MASTER, baudrate=1000000, pins=(self.sck, self.mosi, self.miso))
elif board == 'esp8266':
self.spi = SPI(baudrate=100000, polarity=0, phase=0, sck=self.sck, mosi=self.mosi, miso=self.miso)
self.spi.init()
else:
raise RuntimeError("Unsupported platform")
self.rst.value(1)
self.init() 示例2: __init__
# 需要导入模块: from machine import SPI [as 别名]
# 或者: from machine.SPI import MASTER [as 别名]
def __init__(self, reset, dc, busy, cs, clk, mosi):
self.reset_pin = reset
self.reset_pin.mode(Pin.OUT)
self.dc_pin = dc
self.dc_pin.mode(Pin.OUT)
self.busy_pin = busy
self.busy_pin.mode(Pin.IN)
self.cs_pin = cs
self.cs_pin.mode(Pin.OUT)
self.cs_pin.pull(Pin.PULL_UP)
self.spi = SPI(0, mode=SPI.MASTER, baudrate=2000000, polarity=0, phase=0, pins=(clk, mosi, None))
self.width = EPD_WIDTH
self.height = EPD_HEIGHT
self.rotate = ROTATE_0 示例3: __init__
# 需要导入模块: from machine import SPI [as 别名]
# 或者: from machine.SPI import MASTER [as 别名]
def __init__(self, ledNumber=1, brightness=100, dataPin='P22'):
"""
Params:
* ledNumber = count of LEDs
* brightness = light brightness (integer : 0 to 100%)
* dataPin = pin to connect data channel (LoPy only)
"""
self.ledNumber = ledNumber
self.brightness = brightness
# Prepare SPI data buffer (8 bytes for each color)
self.buf_length = self.ledNumber * 3 * 8
self.buf = bytearray(self.buf_length)
# SPI init
# Bus 0, 8MHz => 125 ns by bit, 8 clock cycle when bit transfert+2 clock cycle between each transfert
# => 125*10=1.25 us required by WS2812
if uname().sysname == 'LoPy':
self.spi = SPI(0, SPI.MASTER, baudrate=8000000, polarity=0, phase=1, pins=(None, dataPin, None))
# Enable pull down
Pin(dataPin, mode=Pin.OUT, pull=Pin.PULL_DOWN)
else: #WiPy
self.spi = SPI(0, SPI.MASTER, baudrate=8000000, polarity=0, phase=1)
# Enable pull down
Pin('GP16', mode=Pin.ALT, pull=Pin.PULL_DOWN)
# Turn LEDs off
self.show([])