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root@Omega-****:~# python3 Python 3.6.10 (default, Apr 09 2020, 14:46:56) [GCC 7.3.0] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import cc1101 >>> with cc1101.CC1101(spi_bus=0, spi_chip_select=1) as t: ... print(t) ... Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/usr/lib/python3.6/site-packages/cc1101/__init__.py", line 526, in __enter__ self._verify_chip() File "/usr/lib/python3.6/site-packages/cc1101/__init__.py", line 484, in _verify_chip partnum, self._SUPPORTED_PARTNUM ValueError: unexpected chip part number 112 (expected: 0) >>> root@Omega-****:~# python3 Python 3.6.10 (default, Apr 09 2020, 14:46:56) [GCC 7.3.0] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import cc1101 >>> with cc1101.CC1101(spi_bus=0, spi_chip_select=1) as t: ... print(t) ... Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/usr/lib/python3.6/site-packages/cc1101/__init__.py", line 526, in __enter__ self._verify_chip() File "/usr/lib/python3.6/site-packages/cc1101/__init__.py", line 484, in _verify_chip partnum, self._SUPPORTED_PARTNUM ValueError: unexpected chip part number 32 (expected: 0) >>>
root@Omega-****:~# grep ^Version /usr/lib/python3.6/site-packages/cc1101-2.6.1.dist-info/METADATA Version: 2.6.1 root@Omega-****:~# opkg info python3 | grep Version Version: 3.6.10-1 root@Omega-****:~# opkg info python3-spidev Package: python3-spidev Version: 4.0.1-2 Depends: libc, python3-base Status: install user installed Architecture: mipsel_24kc Installed-Time: 1610908467
board: https://onion.io/store/omega2p/
wiring: https://docs.onion.io/omega2-docs/communicating-with-spi-devices.html
The text was updated successfully, but these errors were encountered:
Same transceiver, now connected to raspberry pi 2B:
$ pip3 show cc1101 | grep ^Version Version: 2.7.0 $ ~/.local/bin/cc1101-export-config >/dev/null CC1101(marcstate=idle, base_frequency=800.00MHz, symbol_rate=115.05kBaud, modulation_format=ASK_OOK, sync_mode=TRANSMIT_16_MATCH_16_BITS, preamble_length=4B, sync_word=0xd391, packet_length≤255B, output_power=(0xc6,0))
Sorry, something went wrong.
Maybe max_speed_hz is too high, currently 55700 Hz: https://github.com/fphammerle/python-cc1101/blob/v2.6.1/cc1101/__init__.py#L524
max_speed_hz
https://github.com/OnionIoT/python-spidev/blob/ae67ece9d59d6d08114a9f1847c1d1c8576a46a3/README.md#settings
max_speed_hz = n with n <= 47100 triggers
max_speed_hz = n
n <= 47100
Traceback (most recent call last): File "cc1101_test.py", line 2, in <module> with cc1101.CC1101(spi_bus=0, spi_chip_select=1) as t: File "/usr/lib/python3.6/site-packages/cc1101/__init__.py", line 524, in __enter__ self._spi.max_speed_hz = 47100 # empirical OSError: [Errno 22] Invalid argument
static int SpiDev_set_max_speed_hz(SpiDevObject *self, PyObject *val, void *closure) { // ... if (self->max_speed_hz != max_speed_hz) { if (ioctl(self->fd, SPI_IOC_WR_MAX_SPEED_HZ, &max_speed_hz) == -1) { PyErr_SetFromErrno(PyExc_IOError); return -1; } self->max_speed_hz = max_speed_hz; } return 0; }
https://github.com/OnionIoT/python-spidev/blob/acde79b6ef485f7ff32daf391aef285af5091def/spidev_module.c#L661
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board: https://onion.io/store/omega2p/
wiring: https://docs.onion.io/omega2-docs/communicating-with-spi-devices.html
The text was updated successfully, but these errors were encountered: