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Fix for issue #19 OverflowError: value must fit in 1 byte(s)

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mrmcwethy 2019-05-19 15:55:59 -07:00
parent efdd7d360d
commit b900b300ea
2 changed files with 8 additions and 8 deletions
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4
adafruit_epd/epd.py
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@ -128,8 +128,8 @@ class Adafruit_EPD: # pylint: disable=too-many-instance-attributes, too-many-pub
#send read command
self._buf[0] = mcp_sram.Adafruit_MCP_SRAM.SRAM_READ
#send start address
self._buf[1] = self._buffer1_size >> 8
self._buf[2] = self._buffer1_size
self._buf[1] = (self._buffer1_size >> 8) & 0xFF
self._buf[2] = self._buffer1_size & 0xFF
self.spi_device.write(self._buf, end=3)
self.spi_device.unlock()

12
adafruit_epd/mcp_sram.py
View file

@ -71,8 +71,8 @@ class Adafruit_MCP_SRAM:
def write(self, addr, buf, reg=SRAM_WRITE):
"""write the passed buffer to the passed address"""
self._buf[0] = reg
self._buf[1] = addr >> 8
self._buf[2] = addr
self._buf[1] = (addr >> 8) & 0xFF
self._buf[2] = addr & 0xFF
with self._spi as spi:
spi.write(self._buf, end=3) # pylint: disable=no-member
@ -81,8 +81,8 @@ class Adafruit_MCP_SRAM:
def read(self, addr, length, reg=SRAM_READ):
"""read passed number of bytes at the passed address"""
self._buf[0] = reg
self._buf[1] = addr >> 8
self._buf[2] = addr
self._buf[1] = (addr >> 8) & 0xFF
self._buf[2] = addr & 0xFF
buf = bytearray(length)
with self._spi as spi:
@ -110,8 +110,8 @@ class Adafruit_MCP_SRAM:
def erase(self, addr, length, value):
"""erase the passed number of bytes starting at the passed address"""
self._buf[0] = Adafruit_MCP_SRAM.SRAM_WRITE
self._buf[1] = addr >> 8
self._buf[2] = addr
self._buf[1] = (addr >> 8) & 0xFF
self._buf[2] = addr & 0xFF
fill = bytearray([value])
with self._spi as spi:
spi.write(self._buf, end=3) # pylint: disable=no-member