Chris Chronopoulos chronopoulos
chronopoulos
/ readHarp.py
Created
June 29, 2021 19:09
read the R_WHO_AM_I register from a Harp device
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/usr/bin/python3 -u | |
| import serial | |
| import struct | |
| import sys | |
| # set up the serial device | |
| if len(sys.argv) > 1: | |
| deviceFile = sys.argv[1] |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| /dts-v1/; | |
| /plugin/; | |
| /{ | |
| compatible = "rockchip,rockpi","rockchip,rk3399"; | |
| fragment@0 { | |
| target = <&i2c4>; | |
| __overlay__ { |
chronopoulos
/ i2c_test_stm32l1.c
Created
August 2, 2020 00:50
testing I2C on the STM32L1 using libopencm3
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #include <stdio.h> | |
| #include <libopencm3/stm32/rcc.h> | |
| #include <libopencm3/stm32/gpio.h> | |
| #include <libopencm3/stm32/usart.h> | |
| #include <libopencm3/stm32/i2c.h> | |
| static void clock_setup(void) { | |
| rcc_clock_setup_hsi(&rcc_clock_config[2]); // 16mhz hsi raw |
chronopoulos
/ mikroe-506_working.c
Last active
July 3, 2021 08:04
ASoC driver for MikroElektronika 506 (playback and capture work now)
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| /* | |
| * ASoC driver for MikroElectronika 506 (wm8731 proto board) | |
| * connected to a RockPi 4 | |
| * | |
| * Author: Chris Chronopoulos, <chronopoulos.chris@gmail.com> | |
| * Copyright 2020 | |
| * Based on rpi-proto.c by Florian Meier | |
| * | |
| * This program is free software; you can redistribute it and/or modify |
chronopoulos
/ simple-wm8731-overlay.dts
Created
May 31, 2020 23:05
"simple-audio-card"-based overlay for the WM8731 on RockPi 4
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // simple-wm8731-overlay.dts | |
| /dts-v1/; | |
| /plugin/; | |
| / { | |
| compatible = "rockchip,rockpi","rockchip,rk3399"; | |
| fragment@0 { | |
| target = <&i2s1>; |
chronopoulos
/ mikroe-506.c
Created
May 31, 2020 22:30
ASoC driver for MikroElectronika 506 (wm8731 proto board)
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| /* | |
| * ASoC driver for MikroElectronika 506 (wm8731 proto board) | |
| * connected to a RockPi 4 | |
| * | |
| * Author: Chris Chronopoulos, <chronopoulos.chris@gmail.com> | |
| * Copyright 2020 | |
| * Based on rpi-proto.c by Florian Meier | |
| * | |
| * This program is free software; you can redistribute it and/or modify |
chronopoulos
/ rockpi-mikroe-506-overlay.dts
Created
May 31, 2020 21:39
"rpi-proto"-based overlay for the MikroElektronika 506 WM8731 dev board on the RockPi 4
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // rockpi-mikroe-506-overlay.dts | |
| /dts-v1/; | |
| /plugin/; | |
| / { | |
| compatible = "rockchip,rockpi","rockchip,rk3399"; | |
| fragment@0 { | |
| target = <&i2s1>; |
chronopoulos
/ separate_data_aux.py
Last active
August 29, 2015 13:56
Python script to separate the channel data from the auxiliary data in the HDF5 files.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| ns = 30000 # number of samples | |
| f = h5py.File('/home/chrono/sng/data/take5.h5') | |
| dset = f['wired-dataset'] # this has length 30000, where each element is a non-rectangular tuple | |
| data = np.zeros((1024,ns), dtype='int16') # 1024 channels at 30 kHz | |
| aux = np.zeros((32,45,ns/15), dtype='int16') # 32 chips, 45 aux values, samples at 2 kHz | |
| for i in range(ns): | |
| data[:,i] = dset[i][3][:1024] |