Add xvf3510 additional files and scripts from Ake his systemd repo
This is most likely not the way how we would like to do things in the end, however fine for now to see if we can get the soundcard working in our image.
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j1nx
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#!/usr/bin/env python3
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# Copyright (c) 2019-2020, XMOS Ltd, All rights reserved
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# requires dtparam=spi=on in /boot/config.txt
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"""
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This script configures the XVF3510 board in boot from SPI slave and load a
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binary file. It requires a bin file as input parameter.
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"""
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import sys
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import os
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import time
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import argparse
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import spidev
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import RPi.GPIO as GPIO
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from smbus import SMBus
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from pathlib import Path
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if sys.version[0] != '3':
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print("Run this script with Python 3")
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sys.exit(1)
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def bit_reversed_byte(byte_to_reverse):
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"""
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Function to reverse the bit-order of a byte
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Args:
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byte_to_reverse: byte to process
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Retruns:
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byte in reversed order
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"""
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return int('{:08b}'.format(byte_to_reverse)[::-1], 2)
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def set_boot_sel():
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"""
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Function to set XVF3510 board in SPI slave boot mode
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Args:
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None
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Returns:
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None
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"""
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bus = SMBus(1)
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# reset BOOT_SEL
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bus.write_byte_data(0x20, 3, 0xFE)
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bus.write_byte_data(0x20, 7, 0xFF)
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state = {}
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for i in [2, 6]:
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state[i] = bus.read_byte_data(0x20, i)
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# start reset
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data_to_write = 0x00 | (state[2] & 0xDF)
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bus.write_byte_data(0x20, 2, data_to_write)
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data_to_write = 0x00 | (state[6] & 0xDF)
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bus.write_byte_data(0x20, 6, data_to_write)
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# set BOOT_SEL high
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data_to_write = 0x01
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bus.write_byte_data(0x20, 3, data_to_write)
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data_to_write = 0xFE
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bus.write_byte_data(0x20, 7, data_to_write)
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# stop reset
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data_to_write = 0x20 | (state[2] & 0xDF)
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bus.write_byte_data(0x20, 2, data_to_write)
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data_to_write = 0x20 | (state[6] & 0xDF)
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bus.write_byte_data(0x20, 6, data_to_write)
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def send_image(bin_filename, verbose=False, max_spi_speed_mhz = 5, block_transfer_pause_ms = 1, direct = False, delay = False):
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"""
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Function to send the given image to the device via SPI slave
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Args:
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bin_filename: binary file containing the image to boot
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verbose: flag to print debug printouts
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direct: Use Pi GPIO outputs rather than the XVF3510 Pi HAT
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delay: Release BootSel early to delay startup on version 4.0.0 onwards
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Returns:
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None
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"""
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if direct:
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#setup GPIO
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GPIO.setmode(GPIO.BOARD)
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GPIO.setwarnings(False)
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#boot_sel = 8
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#rst_n = 10
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'''
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Mycroft board update
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'''
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#GPIO.setmode(GPIO.BCM)
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boot_sel = 37 #26 #= 25 # fix these numbers to be Wiring Pi
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rst_n = 13 #27 #= 2
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GPIO.setup(boot_sel, GPIO.IN) # Normally, the Pi should not drive this
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GPIO.setup(rst_n, GPIO.OUT, initial=GPIO.HIGH)
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#setup SPI
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spi = spidev.SpiDev()
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bus_spi = 0
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device = 0
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spi.open(bus_spi, device)
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#SPI Settings
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spi.max_speed_hz = int(max_spi_speed_mhz * 1000000)
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spi.mode = 0b00 #XMOS supports 00 or 11
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spi_block_size = 4096 #Limitation in spidev and xfer2 doesn't work!
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if direct:
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GPIO.output(rst_n, 0)
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GPIO.setup(boot_sel, GPIO.OUT, initial=GPIO.HIGH)
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GPIO.output(rst_n, 1)
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else:
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set_boot_sel()
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# Create a table to map byte values to their bit-reversed values
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reverse_table = [bit_reversed_byte(byte) for byte in range(256)]
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data = []
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with open(bin_filename, "rb") as f:
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bytes_read = f.read()
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data = list(bytes_read)
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binary_size = len(data)
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block_count = 0
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print('Read file "{0}" size: {1} Bytes'.format(args.bin_filename, binary_size))
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if binary_size % spi_block_size != 0:
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print("Warning - binary file not a multiple of {} - {} remainder".format( \
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spi_block_size, binary_size % spi_block_size))
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while binary_size > 0:
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block = [reverse_table[byte] for byte in data[:spi_block_size]]
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del data[:spi_block_size]
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binary_size = len(data)
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if verbose:
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print("Sending {} Bytes in block {} checksum 0x{:X}".format( \
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len(block), block_count, sum(block)))
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spi.xfer(block)
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if block_count == 0:
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#Long delay for PLL reboot
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time.sleep(0.1)
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if delay:
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# release boot_sel early to prevent startup
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if direct:
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GPIO.setup(boot_sel, GPIO.IN)
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else:
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#bus = smbus.SMBus(1)
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bus = SMBus(1)
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data_to_write = 0xFE
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bus.write_byte_data(0x20, 3, data_to_write)
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data_to_write = 0xFF
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bus.write_byte_data(0x20, 7, data_to_write)
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elif binary_size > 0:
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time.sleep(block_transfer_pause_ms / 1000)
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block_count += 1
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print("Sending complete")
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if direct:
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GPIO.setup(boot_sel, GPIO.IN) # Once booted, the Pi should not need to drive boot_sel
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GPIO.setup(rst_n, GPIO.OUT, initial=GPIO.HIGH) # Once booted, the Pi should not need to drive reset
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#GPIO.cleanup()
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else:
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#bus = smbus.SMBus(1)
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bus = SMBus(1)
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# reset BOOT_SEL
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data_to_write = 0xFE
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bus.write_byte_data(0x20, 3, data_to_write)
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data_to_write = 0xFF
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bus.write_byte_data(0x20, 7, data_to_write)
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if __name__ == "__main__":
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start_time = time.time()
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parser = argparse.ArgumentParser(description='Load an image via SPI slave from an RPi')
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parser.add_argument('bin_filename', help='binary file name')
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parser.add_argument('--direct', action='store_true', \
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help='Use just direct GPIO outputs rather than using the XVF3510 Development Kit Pi HAT')
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parser.add_argument('--delay', action='store_true', \
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help='Delay xvf3510 device start. Release the BootSel pin early to prevent the XVF3510 (V4.0.0 onwards) from starting with the default I2S configuration. This gives AP a chance to configure and start the XVF3510 device.')
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parser.add_argument('--max-spi-speed-mhz', type=float, default=5, \
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help='Max SPI speed in MHz')
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parser.add_argument('--block-transfer-pause-ms', type=float, default=1, \
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help='pause between SPI transfers in milliseconds, default 1ms')
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parser.add_argument('--verbose', action='store_true', \
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help='print debug information')
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args = parser.parse_args()
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if not Path(args.bin_filename).is_file():
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print("Error: input file {} not found".format(args.bin_filename))
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exit(1)
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send_image(args.bin_filename, args.verbose, args.max_spi_speed_mhz, args.block_transfer_pause_ms, args.direct, args.delay)
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end_time = time.time()
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if args.verbose:
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print("Sending image took {:.3} seconds".format(end_time - start_time))
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#! /usr/bin/env sh
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modprobe i2s_master_loader
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setup_bclk
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setup_mclk
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# Startup xvf3510
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XMOS_POWER=16
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XMOS_RESET=27
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gpio -g mode $XMOS_POWER out
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gpio -g mode $XMOS_RESET out
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sleep 0.1
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gpio -g write $XMOS_POWER 1
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gpio -g write $XMOS_RESET 1
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sleep 1
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xvf3510-flash --direct "/usr/lib/firmware/xvf3510/app_xvf3510_int_spi_boot_v4_1_0.bin"
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sleep 1
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i2cdetect -y 1
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#!/bin/bash
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function set_all_leds() {
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B=$1
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i2cset -y 1 0x04 10 $B $B $B 9 $B $B $B 8 $B $B $B i
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sleep 0.1
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i2cset -y 1 0x04 7 $B $B $B 6 $B $B $B 5 $B $B $B i
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sleep 0.1
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i2cset -y 1 0x04 4 $B $B $B 3 $B $B $B 2 $B $B $B i
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sleep 0.1
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i2cset -y 1 0x04 1 $B $B $B 0 $B $B $B i
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}
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set_all_leds 127
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sleep 0.7
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set_all_leds 0
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sleep 0.7
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set_all_leds 63
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sleep 0.7
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set_all_leds 0
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sleep 0.7
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set_all_leds 31
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sleep 0.7
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set_all_leds 0
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@ -25,9 +25,23 @@ endef
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define XVF3510_INSTALL_TARGET_CMDS
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$(INSTALL) -D -m 0755 $(@D)/resources/clk_dac_setup/setup_bclk \
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$(TARGET_DIR)/usr/bin
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$(TARGET_DIR)/usr/sbin
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$(INSTALL) -D -m 0755 $(@D)/resources/clk_dac_setup/setup_mclk \
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$(TARGET_DIR)/usr/bin
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$(TARGET_DIR)/usr/sbin
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$(INSTALL) -D -m 0644 $(BR2_EXTERNAL_OPENVOICEOS_PATH)/package/xvf3510/xvf3510.service \
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$(TARGET_DIR)/usr/lib/systemd/system/xvf3510.service
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$(INSTALL) -D -m 755 $(BR2_EXTERNAL_OPENVOICEOS_PATH)/package/xvf3510/xvf3510-start \
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$(TARGET_DIR)/usr/sbin/xvf3510-start
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$(INSTALL) -D -m 755 $(BR2_EXTERNAL_OPENVOICEOS_PATH)/package/xvf3510/xvf3510-stop \
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$(TARGET_DIR)/usr/sbin/xvf3510-stop
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$(INSTALL) -D -m 755 $(BR2_EXTERNAL_OPENVOICEOS_PATH)/package/xvf3510/xvf3510-flash \
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$(TARGET_DIR)/usr/sbin/xvf3510-flash
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mkdir -p $(TARGET_DIR)/usr/lib/firmware/xvf3510
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$(INSTALL) -D -m 0644 $(BR2_EXTERNAL_OPENVOICEOS_PATH)/package/xvf3510/app_xvf3510_int_spi_boot_v4_1_0.bin \
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$(TARGET_DIR)/usr/lib/firmware/xvf3510/app_xvf3510_int_spi_boot_v4_1_0.bin
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endef
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$(eval $(generic-package))
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[Unit]
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Description=Setup audio environment for xvf3510
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After=systemd-modules-load.service
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Requires=systemd-modules-load.service
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[Service]
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Type=oneshot
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ExecStart=xvf3510-start
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ExecStop=xvf3510-stop
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RemainAfterExit=True
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[Install]
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WantedBy=multi-user.target
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