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Steven Dan
2025-12-11 09:43:42 +08:00
commit d8b2974133
1822 changed files with 280037 additions and 0 deletions
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11
lib_adat/examples/app_adat_loopback/CMakeLists.txt Normal file
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cmake_minimum_required(VERSION 3.21)
include($ENV{XMOS_CMAKE_PATH}/xcommon.cmake)
project(app_adat_loopback)
set(APP_HW_TARGET xk-audio-316-mc.xn)
include(${CMAKE_CURRENT_LIST_DIR}/../deps.cmake)
set(APP_COMPILER_FLAGS -O3 -g -DADAT_TX_USE_SHARED_BUFF)
set(XMOS_SANDBOX_DIR ${CMAKE_CURRENT_LIST_DIR}/../../..)
XMOS_REGISTER_APP()

2
lib_adat/examples/app_adat_loopback/basic.xscope Normal file
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<xSCOPEconfig ioMode="basic" enabled="true">
</xSCOPEconfig>

134
lib_adat/examples/app_adat_loopback/src/main.xc Normal file
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// Copyright 2011-2024 XMOS LIMITED.
// This Software is subject to the terms of the XMOS Public Licence: Version 1.
#include <platform.h>
#include <xs1.h>
#include "adat_tx.h"
#include "adat_rx.h"
extern "C" {
#include "sw_pll.h"
}
#include "stdio.h"
#include "assert.h"
#define MAX_GEN_VAL (1<<24)
#define COUNT_SHIFT 5
#define DONE_CONDITION_MASK ~((1<<COUNT_SHIFT)-1)
buffered out port:32 p_adat_tx = PORT_ADAT_OUT;
buffered in port:32 p_adat_rx = PORT_ADAT_IN;
in port p_mclk_in = PORT_MCLK_IN;
out port p_ctrl = PORT_CTRL;
on tile[1]: clock clk_audio = XS1_CLKBLK_2;
#define MCLK_FREQUENCY_48 24576000
void board_setup()
{
set_port_drive_high(p_ctrl);
// Drive control port to turn on 3V3.
// Bits set to low will be high-z, pulled down.
p_ctrl <: 0xA0;
// Wait for power supplies to be up and stable.
delay_milliseconds(10);
sw_pll_fixed_clock(MCLK_FREQUENCY_48);
}
void collect_samples(streaming chanend c)
{
unsigned expected_data = 0;
unsigned count = 0;
while(expected_data < MAX_GEN_VAL) {
unsigned channels[8];
c :> unsigned tmp;
for(int i = 0; i < 8; i++)
{
c :> channels[i];
expected_data += 1 << (count >> COUNT_SHIFT);
if(channels[i] != expected_data << 8) {
printf("Error: Received data 0x%x differs from expected data 0x%x. Correctly received so far %d\n", channels[i], expected_data << 8, count);
assert(0);
}
count++;
}
}
printf("Received %d samples as expected\n", count);
}
unsigned samples[8];
void generate_samples(chanend c_data)
{
unsigned data = 0;
int count = 0;
outuint(c_data, MCLK_FREQUENCY_48 / 48000); // master clock multiplier
outuint(c_data, 1); // S/MUX value
while(1) {
for (int i = 0; i < 8; ++i) {
data += 1 << (count >> COUNT_SHIFT);
++count;
samples[i] = data << 8;
}
unsafe {
volatile unsigned * unsafe sample_ptr = (unsigned * unsafe) &samples[0];
outuint(c_data, (unsigned) sample_ptr);
}
if (data >= MAX_GEN_VAL) {
break;
}
inuint(c_data);
};
printf("Finished sending %d words\n", count);
inuint(c_data);
outct(c_data, XS1_CT_END);
}
void receive_adat(streaming chanend c)
{
while(1)
{
adatReceiver48000(p_adat_rx, c);
}
}
void transmit_adat(chanend c) {
set_clock_src(clk_audio, p_mclk_in);
configure_out_port_no_ready(p_adat_tx, clk_audio, 0);
set_clock_fall_delay(clk_audio, 7);
start_clock(clk_audio);
adat_tx_port(c, p_adat_tx);
}
int main(void) {
chan c_data_tx;
streaming chan c_data_rx;
par {
on tile[0]: {
board_setup();
receive_adat(c_data_rx);
}
on tile[0]: collect_samples(c_data_rx);
on tile[1]: generate_samples(c_data_tx);
on tile[1]: transmit_adat(c_data_tx);
}
return 0;
}

93
lib_adat/examples/app_adat_loopback/src/xk-audio-316-mc.xn Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<Network xmlns="http://www.xmos.com"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.xmos.com http://www.xmos.com">
<Type>Board</Type>
<Name>xcore.ai MC Audio Board</Name>
<Declarations>
<Declaration>tileref tile[2]</Declaration>
</Declarations>
<Packages>
<Package id="0" Type="XS3-UnA-1024-TQ128">
<Nodes>
<Node Id="0" InPackageId="0" Type="XS3-L16A-1024" Oscillator="24MHz" SystemFrequency="600MHz" ReferenceFrequency="100MHz">
<Boot>
<Source Location="bootFlash"/>
</Boot>
<Tile Number="0" Reference="tile[0]">
<Port Location="XS1_PORT_1B" Name="PORT_SQI_CS"/>
<Port Location="XS1_PORT_1C" Name="PORT_SQI_SCLK"/>
<Port Location="XS1_PORT_4B" Name="PORT_SQI_SIO"/>
<!-- Various ctrl signals -->
<Port Location="XS1_PORT_8D" Name="PORT_CTRL"/>
<!-- I2C -->
<Port Location="XS1_PORT_1L" Name="PORT_I2C_SCL"/>
<Port Location="XS1_PORT_1M" Name="PORT_I2C_SDA"/>
<!-- Clocking -->
<Port Location="XS1_PORT_16B" Name="PORT_MCLK_COUNT"/>
<Port Location="XS1_PORT_1D" Name="PORT_MCLK_IN_USB"/>
<Port Location="XS1_PORT_1A" Name="PORT_PLL_REF"/>
<!-- Audio Ports: Digital -->
<Port Location="XS1_PORT_1O" Name="PORT_ADAT_IN"/> <!-- N: Coax O: Optical -->
<Port Location="XS1_PORT_1N" Name="PORT_SPDIF_IN"/> <!-- N: Coax O: Optical -->
</Tile>
<Tile Number="1" Reference="tile[1]">
<!-- Audio Ports: I2S -->
<Port Location="XS1_PORT_1D" Name="PORT_MCLK_IN"/>
<Port Location="XS1_PORT_16B" Name="PORT_MCLK_COUNT_2"/>
<Port Location="XS1_PORT_1B" Name="PORT_I2S_LRCLK"/>
<Port Location="XS1_PORT_1C" Name="PORT_I2S_BCLK"/>
<Port Location="XS1_PORT_1P" Name="PORT_I2S_DAC0"/>
<port Location="XS1_PORT_1O" Name="PORT_I2S_DAC1"/>
<port Location="XS1_PORT_1N" Name="PORT_I2S_DAC2"/>
<port Location="XS1_PORT_1M" Name="PORT_I2S_DAC3"/>
<Port Location="XS1_PORT_1I" Name="PORT_I2S_ADC0"/>
<Port Location="XS1_PORT_1J" Name="PORT_I2S_ADC1"/>
<Port Location="XS1_PORT_1K" Name="PORT_I2S_ADC2"/>
<Port Location="XS1_PORT_1L" Name="PORT_I2S_ADC3"/>
<!-- Audio Ports: Digital -->
<Port Location="XS1_PORT_1G" Name="PORT_ADAT_OUT"/> <!-- A: Coax G: Optical -->
<Port Location="XS1_PORT_1A" Name="PORT_SPDIF_OUT"/> <!-- A: Coax G: Optical -->
<!-- MIDI -->
<Port Location="XS1_PORT_1F" Name="PORT_MIDI_IN"/>
<Port Location="XS1_PORT_4C" Name="PORT_MIDI_OUT"/> <!-- bit[0] -->
</Tile>
</Node>
</Nodes>
</Package>
</Packages>
<Nodes>
<Node Id="2" Type="device:" RoutingId="0x8000">
<Service Id="0" Proto="xscope_host_data(chanend c);">
<Chanend Identifier="c" end="3"/>
</Service>
</Node>
</Nodes>
<Links>
<Link Encoding="2wire" Delays="5clk" Flags="XSCOPE">
<LinkEndpoint NodeId="0" Link="XL0"/>
<LinkEndpoint NodeId="2" Chanend="1"/>
</Link>
</Links>
<ExternalDevices>
<Device NodeId="0" Tile="0" Class="SQIFlash" Name="bootFlash" PageSize="256" SectorSize="4096" NumPages="16384">
<Attribute Name="PORT_SQI_CS" Value="PORT_SQI_CS"/>
<Attribute Name="PORT_SQI_SCLK" Value="PORT_SQI_SCLK"/>
<Attribute Name="PORT_SQI_SIO" Value="PORT_SQI_SIO"/>
</Device>
</ExternalDevices>
<JTAGChain>
<JTAGDevice NodeId="0"/>
</JTAGChain>
</Network>