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kattnikattni
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Merge pull request #8 from adafruit/pylint-update
Ran black, updated to pylint 2.x
2 parents 66c042d + 8047096 commit f4f1421

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-148
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5 files changed

+176
-148
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‎.github/workflows/build.yml‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -40,7 +40,7 @@ jobs:
4040
source actions-ci/install.sh
4141
- name: Pip install pylint, black, & Sphinx
4242
run: |
43-
pip install --force-reinstall pylint==1.9.2 black==19.10b0 Sphinx sphinx-rtd-theme
43+
pip install --force-reinstall pylint black==19.10b0 Sphinx sphinx-rtd-theme
4444
- name: Library version
4545
run: git describe --dirty --always --tags
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- name: PyLint

‎adafruit_vs1053.py‎

Lines changed: 59 additions & 49 deletions
Original file line numberDiff line numberDiff line change
@@ -66,53 +66,56 @@
6666
__repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_VS1053.git"
6767

6868
# pylint: disable=bad-whitespace
69-
_COMMAND_BAUDRATE = const(250000) # Speed for command transfers (MUST be slow)
70-
_DATA_BAUDRATE = const(8000000) # Speed for data transfers (fast!)
71-
72-
_VS1053_SCI_READ = const(0x03)
73-
_VS1053_SCI_WRITE = const(0x02)
74-
75-
_VS1053_REG_MODE = const(0x00)
76-
_VS1053_REG_STATUS = const(0x01)
77-
_VS1053_REG_BASS = const(0x02)
78-
_VS1053_REG_CLOCKF = const(0x03)
79-
_VS1053_REG_DECODETIME = const(0x04)
80-
_VS1053_REG_AUDATA = const(0x05)
81-
_VS1053_REG_WRAM = const(0x06)
82-
_VS1053_REG_WRAMADDR = const(0x07)
83-
_VS1053_REG_HDAT0 = const(0x08)
84-
_VS1053_REG_HDAT1 = const(0x09)
85-
_VS1053_REG_VOLUME = const(0x0B)
86-
87-
_VS1053_GPIO_DDR = const(0xC017)
88-
_VS1053_GPIO_IDATA = const(0xC018)
89-
_VS1053_GPIO_ODATA = const(0xC019)
90-
91-
_VS1053_INT_ENABLE = const(0xC01A)
92-
93-
_VS1053_MODE_SM_DIFF = const(0x0001)
94-
_VS1053_MODE_SM_LAYER12 = const(0x0002)
95-
_VS1053_MODE_SM_RESET = const(0x0004)
96-
_VS1053_MODE_SM_CANCEL = const(0x0008)
97-
_VS1053_MODE_SM_EARSPKLO = const(0x0010)
98-
_VS1053_MODE_SM_TESTS = const(0x0020)
99-
_VS1053_MODE_SM_STREAM = const(0x0040)
100-
_VS1053_MODE_SM_SDINEW = const(0x0800)
101-
_VS1053_MODE_SM_ADPCM = const(0x1000)
102-
_VS1053_MODE_SM_LINE1 = const(0x4000)
103-
_VS1053_MODE_SM_CLKRANGE = const(0x8000)
69+
_COMMAND_BAUDRATE = const(250000) # Speed for command transfers (MUST be slow)
70+
_DATA_BAUDRATE = const(8000000) # Speed for data transfers (fast!)
71+
72+
_VS1053_SCI_READ = const(0x03)
73+
_VS1053_SCI_WRITE = const(0x02)
74+
75+
_VS1053_REG_MODE = const(0x00)
76+
_VS1053_REG_STATUS = const(0x01)
77+
_VS1053_REG_BASS = const(0x02)
78+
_VS1053_REG_CLOCKF = const(0x03)
79+
_VS1053_REG_DECODETIME = const(0x04)
80+
_VS1053_REG_AUDATA = const(0x05)
81+
_VS1053_REG_WRAM = const(0x06)
82+
_VS1053_REG_WRAMADDR = const(0x07)
83+
_VS1053_REG_HDAT0 = const(0x08)
84+
_VS1053_REG_HDAT1 = const(0x09)
85+
_VS1053_REG_VOLUME = const(0x0B)
86+
87+
_VS1053_GPIO_DDR = const(0xC017)
88+
_VS1053_GPIO_IDATA = const(0xC018)
89+
_VS1053_GPIO_ODATA = const(0xC019)
90+
91+
_VS1053_INT_ENABLE = const(0xC01A)
92+
93+
_VS1053_MODE_SM_DIFF = const(0x0001)
94+
_VS1053_MODE_SM_LAYER12 = const(0x0002)
95+
_VS1053_MODE_SM_RESET = const(0x0004)
96+
_VS1053_MODE_SM_CANCEL = const(0x0008)
97+
_VS1053_MODE_SM_EARSPKLO = const(0x0010)
98+
_VS1053_MODE_SM_TESTS = const(0x0020)
99+
_VS1053_MODE_SM_STREAM = const(0x0040)
100+
_VS1053_MODE_SM_SDINEW = const(0x0800)
101+
_VS1053_MODE_SM_ADPCM = const(0x1000)
102+
_VS1053_MODE_SM_LINE1 = const(0x4000)
103+
_VS1053_MODE_SM_CLKRANGE = const(0x8000)
104104
# pylint: enable=bad-whitespace
105105

106106

107107
class VS1053:
108108
"""Class-level buffer for read and write commands."""
109+
109110
# This is NOT thread/re-entrant safe (by design, for less memory hit).
110111
_SCI_SPI_BUFFER = bytearray(4)
111112

112113
def __init__(self, spi, cs, xdcs, dreq):
113114
# Create SPI device for VS1053
114115
self._cs = digitalio.DigitalInOut(cs)
115-
self._vs1053_spi = SPIDevice(spi, self._cs, baudrate=_COMMAND_BAUDRATE, polarity=0, phase=0)
116+
self._vs1053_spi = SPIDevice(
117+
spi, self._cs, baudrate=_COMMAND_BAUDRATE, polarity=0, phase=0
118+
)
116119
# Setup control lines.
117120
self._xdcs = digitalio.DigitalInOut(xdcs)
118121
self._xdcs.switch_to_output(value=True)
@@ -122,8 +125,11 @@ def __init__(self, spi, cs, xdcs, dreq):
122125
self.reset()
123126
# Check version is 4 (VS1053 ID).
124127
if self.version != 4:
125-
raise RuntimeError('Expected version 4 (VS1053) but got: {} Check wiring!'
126-
.format(self.version))
128+
raise RuntimeError(
129+
"Expected version 4 (VS1053) but got: {} Check wiring!".format(
130+
self.version
131+
)
132+
)
127133

128134
def _sci_write(self, address, value):
129135
# Write a 16-bit big-endian value to the provided 8-bit address.
@@ -145,14 +151,16 @@ def _sci_read(self, address):
145151
# pylint: disable=no-member
146152
spi.configure(baudrate=_COMMAND_BAUDRATE)
147153
spi.write(self._SCI_SPI_BUFFER, end=2)
148-
time.sleep(0.00001) # Delay 10 microseconds (at least)
154+
time.sleep(0.00001) # Delay 10 microseconds (at least)
149155
spi.readinto(self._SCI_SPI_BUFFER, end=2)
150156
# pylint: enable=no-member
151157
return (self._SCI_SPI_BUFFER[0] << 8) | self._SCI_SPI_BUFFER[1]
152158

153159
def soft_reset(self):
154160
"""Perform a quick soft reset of the VS1053."""
155-
self._sci_write(_VS1053_REG_MODE, _VS1053_MODE_SM_SDINEW | _VS1053_MODE_SM_RESET)
161+
self._sci_write(
162+
_VS1053_REG_MODE, _VS1053_MODE_SM_SDINEW | _VS1053_MODE_SM_RESET
163+
)
156164
time.sleep(0.1)
157165

158166
def reset(self):
@@ -198,7 +206,7 @@ def byte_rate(self):
198206
"""Return the bit rate in bytes per second (computed each second).
199207
Useful to know if a song is being played and how fast it's happening.
200208
"""
201-
self._sci_write(_VS1053_REG_WRAMADDR, 0x1e05)
209+
self._sci_write(_VS1053_REG_WRAMADDR, 0x1E05)
202210
return self._sci_read(_VS1053_REG_WRAM)
203211

204212
def start_playback(self):
@@ -207,17 +215,21 @@ def start_playback(self):
207215
buffers of music data to the play_data function.
208216
"""
209217
# Reset playback.
210-
self._sci_write(_VS1053_REG_MODE, _VS1053_MODE_SM_LINE1 | _VS1053_MODE_SM_SDINEW)
218+
self._sci_write(
219+
_VS1053_REG_MODE, _VS1053_MODE_SM_LINE1 | _VS1053_MODE_SM_SDINEW
220+
)
211221
# Resync.
212-
self._sci_write(_VS1053_REG_WRAMADDR, 0x1e29)
222+
self._sci_write(_VS1053_REG_WRAMADDR, 0x1E29)
213223
self._sci_write(_VS1053_REG_WRAM, 0)
214224
# Set time to zero.
215225
self.decode_time = 0
216226

217227
def stop_playback(self):
218228
"""Stop any playback of audio."""
219-
self._sci_write(_VS1053_REG_MODE, _VS1053_MODE_SM_LINE1 | _VS1053_MODE_SM_SDINEW |
220-
_VS1053_MODE_SM_CANCEL)
229+
self._sci_write(
230+
_VS1053_REG_MODE,
231+
_VS1053_MODE_SM_LINE1 | _VS1053_MODE_SM_SDINEW | _VS1053_MODE_SM_CANCEL,
232+
)
221233

222234
def play_data(self, data_buffer, start=0, end=None):
223235
"""Send a buffer of file data to the VS1053 for playback. Make sure
@@ -250,8 +262,7 @@ def sine_test(self, n, seconds):
250262
with self._vs1053_spi as spi:
251263
# pylint: disable=no-member
252264
spi.configure(baudrate=_DATA_BAUDRATE)
253-
spi.write(bytes([0x53, 0xEF, 0x6E, n & 0xFF, 0x00, 0x00,
254-
0x00, 0x00]))
265+
spi.write(bytes([0x53, 0xEF, 0x6E, n & 0xFF, 0x00, 0x00, 0x00, 0x00]))
255266
# pylint: enable=no-member
256267
finally:
257268
self._xdcs.value = True
@@ -261,8 +272,7 @@ def sine_test(self, n, seconds):
261272
with self._vs1053_spi as spi:
262273
# pylint: disable=no-member
263274
spi.configure(baudrate=_DATA_BAUDRATE)
264-
spi.write(bytes([0x45, 0x78, 0x69, 0x74, 0x00, 0x00, 0x00,
265-
0x00]))
275+
spi.write(bytes([0x45, 0x78, 0x69, 0x74, 0x00, 0x00, 0x00, 0x00]))
266276
# pylint: enable=no-member
267277
finally:
268278
self._xdcs.value = True

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