forked from PAWPAW-Mirror/lib_xua
291 lines
7.4 KiB
Plaintext
Executable File
291 lines
7.4 KiB
Plaintext
Executable File
/**
|
|
* @file main.xc
|
|
* @brief Top level for XMOS USB 2.0 Audio 2.0 Reference Designs.
|
|
* @author Ross Owen, XMOS Semiconductor Ltd
|
|
*/
|
|
|
|
#include <syscall.h>
|
|
#include <platform.h>
|
|
#include <xs1.h>
|
|
#include <xclib.h>
|
|
#include <print.h>
|
|
#ifdef XSCOPE
|
|
#include <xscope.h>
|
|
#endif
|
|
|
|
#include "xud.h" /* XMOS USB Device Layer defines and functions */
|
|
#include "usb.h" /* Defines from the USB 2.0 Specification */
|
|
|
|
#include "devicedefines.h" /* Device specific defines */
|
|
#include "endpoint0.h"
|
|
#include "usb_buffer.h"
|
|
#include "decouple.h"
|
|
#include "usb_midi.h"
|
|
#include "audio.h"
|
|
#include "ports.h" /* Portmap defines and ports for current app instance */
|
|
|
|
/* Audio I/O */
|
|
#if I2S_WIRES_DAC > 0
|
|
on stdcore[0] : buffered out port:32 p_i2s_dac[I2S_WIRES_DAC] =
|
|
{PORT_I2S_DAC0,
|
|
#endif
|
|
#if I2S_WIRES_DAC > 1
|
|
PORT_I2S_DAC1,
|
|
#endif
|
|
#if I2S_WIRES_DAC > 2
|
|
PORT_I2S_DAC2,
|
|
#endif
|
|
#if I2S_WIRES_DAC > 3
|
|
PORT_I2S_DAC3,
|
|
#endif
|
|
#if I2S_WIRES_DAC > 4
|
|
PORT_I2S_DAC4,
|
|
#endif
|
|
#if I2S_WIRES_DAC > 5
|
|
PORT_I2S_DAC5,
|
|
#endif
|
|
#if I2S_WIRES_DAC > 6
|
|
PORT_I2S_DAC6,
|
|
#endif
|
|
#if I2S_WIRES_DAC > 7
|
|
#error Not supported
|
|
#endif
|
|
#if I2S_WIRES_DAC > 0
|
|
};
|
|
#endif
|
|
|
|
#if I2S_WIRES_ADC > 0
|
|
on stdcore[0] : buffered in port:32 p_i2s_adc[I2S_WIRES_ADC] =
|
|
{PORT_I2S_ADC0,
|
|
#endif
|
|
#if I2S_WIRES_ADC > 1
|
|
PORT_I2S_ADC1,
|
|
#endif
|
|
#if I2S_WIRES_ADC > 2
|
|
PORT_I2S_ADC2,
|
|
#endif
|
|
#if I2S_WIRES_ADC > 3
|
|
PORT_I2S_ADC3,
|
|
#endif
|
|
#if I2S_WIRES_ADC > 4
|
|
PORT_I2S_ADC4,
|
|
#endif
|
|
#if I2S_WIRES_ADC > 5
|
|
PORT_I2S_ADC5,
|
|
#endif
|
|
#if I2S_WIRES_ADC > 6
|
|
PORT_I2S_ADC6,
|
|
#endif
|
|
#if I2S_WIRES_ADC > 7
|
|
#error Not supported
|
|
#endif
|
|
#if I2S_WIRES_ADC > 0
|
|
};
|
|
#endif
|
|
|
|
#ifndef AUDIO_IO_CORE
|
|
#define AUDIO_IO_CORE 0
|
|
#endif
|
|
|
|
#ifndef CODEC_MASTER
|
|
on stdcore[AUDIO_IO_CORE] : buffered out port:32 p_lrclk = PORT_I2S_LRCLK;
|
|
on stdcore[AUDIO_IO_CORE] : buffered out port:32 p_bclk = PORT_I2S_BCLK;
|
|
#else
|
|
on stdcore[AUDIO_IO_CORE] : in port p_lrclk = PORT_I2S_LRCLK;
|
|
on stdcore[AUDIO_IO_CORE] : in port p_bclk = PORT_I2S_BCLK;
|
|
#endif
|
|
|
|
on stdcore[AUDIO_IO_CORE] : port p_mclk = PORT_MCLK_IN;
|
|
on stdcore[0] : in port p_for_mclk_count = PORT_MCLK_COUNT;
|
|
|
|
#ifdef SPDIF
|
|
on stdcore[AUDIO_IO_CORE] : buffered out port:32 p_spdif_tx = PORT_SPDIF_OUT;
|
|
#endif
|
|
|
|
#ifdef MIDI
|
|
on stdcore[AUDIO_IO_CORE] : port p_midi_tx = PORT_MIDI_OUT;
|
|
on stdcore[AUDIO_IO_CORE] : in port p_midi_rx = PORT_MIDI_IN;
|
|
#endif
|
|
|
|
/* Clock blocks */
|
|
#ifdef MIDI
|
|
on stdcore[AUDIO_IO_CORE] : clock clk_midi = XS1_CLKBLK_REF;
|
|
#endif
|
|
on stdcore[AUDIO_IO_CORE] : clock clk_audio_mclk = XS1_CLKBLK_2; /* Master clock */
|
|
on stdcore[AUDIO_IO_CORE] : clock clk_audio_bclk = XS1_CLKBLK_3; /* Bit clock */
|
|
#ifdef SPDIF
|
|
on stdcore[AUDIO_IO_CORE] : clock clk_mst_spd = XS1_CLKBLK_1;
|
|
#endif
|
|
|
|
/* L Series needs a port to use for USB reset */
|
|
#ifdef ARCH_L
|
|
#ifdef PORT_USB_RESET
|
|
on stdcore[0] : out port p_usb_rst = PORT_USB_RESET;
|
|
#endif
|
|
/* L Series also needs a clock for this port */
|
|
clock clk = XS1_CLKBLK_4;
|
|
#else
|
|
/* Reset port not required for SU1 due to built in Phy */
|
|
#define p_usb_rst null
|
|
#define clk null
|
|
#endif
|
|
|
|
/* Endpoint type tables for XUD */
|
|
XUD_EpType epTypeTableOut[NUM_EP_OUT] = { XUD_EPTYPE_CTL | XUD_STATUS_ENABLE,
|
|
XUD_EPTYPE_ISO, /* Audio */
|
|
#ifdef MIDI
|
|
XUD_EPTYPE_BUL /* MIDI */
|
|
#endif
|
|
};
|
|
|
|
XUD_EpType epTypeTableIn[NUM_EP_IN] = { XUD_EPTYPE_CTL | XUD_STATUS_ENABLE,
|
|
XUD_EPTYPE_ISO,
|
|
XUD_EPTYPE_ISO,
|
|
XUD_EPTYPE_BUL,
|
|
#ifdef MIDI
|
|
XUD_EPTYPE_BUL,
|
|
#endif
|
|
#ifdef HID_CONTROLS
|
|
XUD_EPTYPE_BUL,
|
|
#endif
|
|
};
|
|
#define FAST_MODE 0
|
|
|
|
void thread_speed()
|
|
{
|
|
#if (FAST_MODE)
|
|
set_thread_fast_mode_on();
|
|
#else
|
|
set_thread_fast_mode_off();
|
|
#endif
|
|
}
|
|
|
|
#ifdef XSCOPE
|
|
void xscope_user_init()
|
|
{
|
|
xscope_register(0, 0, "", 0, "");
|
|
|
|
xscope_config_io(XSCOPE_IO_BASIC);
|
|
}
|
|
#endif
|
|
|
|
int main()
|
|
{
|
|
chan c_sof;
|
|
chan c_xud_out[NUM_EP_OUT]; /* Endpoint channels for XUD */
|
|
chan c_xud_in[NUM_EP_IN];
|
|
chan c_aud_ctl;
|
|
chan c_mix_out;
|
|
#ifdef MIDI
|
|
chan c_midi;
|
|
#endif
|
|
#ifdef IAP
|
|
chan c_iap;
|
|
#endif
|
|
|
|
#ifdef TEST_MODE_SUPPORT
|
|
#warning Building with test mode support
|
|
chan c_usb_test;
|
|
#else
|
|
#define c_usb_test null
|
|
#endif
|
|
|
|
#ifdef SU1_ADC
|
|
chan c_adc;
|
|
#else
|
|
#define c_adc null
|
|
#endif
|
|
|
|
|
|
par
|
|
{
|
|
|
|
/* USB Interface */
|
|
#if (AUDIO_CLASS==2)
|
|
on stdcore[0]: XUD_Manager(c_xud_out, NUM_EP_OUT, c_xud_in, NUM_EP_IN,
|
|
c_sof, epTypeTableOut, epTypeTableIn, p_usb_rst,
|
|
clk, 1, XUD_SPEED_HS, c_usb_test);
|
|
#else
|
|
on stdcore[0]:XUD_Manager(c_xud_out, NUM_EP_OUT, c_xud_in, NUM_EP_IN,
|
|
c_sof, epTypeTableOut, epTypeTableIn, p_usb_rst,
|
|
clk, 1, XUD_SPEED_FS, c_usb_test);
|
|
#endif
|
|
|
|
/* Endpoint 0 */
|
|
on stdcore[0]:{
|
|
thread_speed();
|
|
Endpoint0( c_xud_out[0], c_xud_in[0], c_aud_ctl, null, null, c_usb_test);
|
|
}
|
|
|
|
on stdcore[0]:
|
|
{
|
|
thread_speed();
|
|
|
|
/* Attach mclk count port to mclk clock-block (for feedback) */
|
|
//set_port_clock(p_for_mclk_count, clk_audio_mclk);
|
|
{
|
|
unsigned x;
|
|
asm("ldw %0, dp[clk_audio_mclk]":"=r"(x));
|
|
asm("setclk res[%0], %1"::"r"(p_for_mclk_count), "r"(x));
|
|
}
|
|
|
|
buffer(c_xud_out[EP_NUM_OUT_AUD],/* Audio Out*/
|
|
c_xud_in[EP_NUM_IN_AUD], /* Audio In */
|
|
c_xud_in[EP_NUM_IN_FB], /* Audio FB */
|
|
#ifdef MIDI
|
|
c_xud_out[EP_NUM_OUT_MIDI], /* MIDI Out */ // 2
|
|
c_xud_in[EP_NUM_IN_MIDI], /* MIDI In */ // 4
|
|
c_midi,
|
|
#endif
|
|
#ifdef IAP
|
|
c_xud_out[3], c_xud_in[5], c_xud_in[6],
|
|
#endif
|
|
#if defined(SPDIF_RX) || defined(ADAT_RX)
|
|
/* Audio Interrupt - only used for interrupts on external clock change */
|
|
c_xud_in[EP_NUM_IN_AUD_INT],
|
|
#endif
|
|
c_sof, c_aud_ctl, p_for_mclk_count
|
|
#ifdef HID_CONTROLS
|
|
,c_xud_in[EP_NUM_IN_HID]
|
|
#endif
|
|
);
|
|
|
|
}
|
|
|
|
on stdcore[0]:
|
|
{
|
|
thread_speed();
|
|
decouple(c_mix_out, null
|
|
#ifdef IAP
|
|
, c_iap
|
|
#endif
|
|
);
|
|
}
|
|
|
|
on stdcore[AUDIO_IO_CORE]:
|
|
{
|
|
thread_speed();
|
|
|
|
/* Audio I/O (pars additional S/PDIF TX thread) */
|
|
audio(c_mix_out, null, null, c_adc);
|
|
}
|
|
|
|
#ifdef MIDI
|
|
on stdcore[AUDIO_IO_CORE]:
|
|
{
|
|
thread_speed();
|
|
usb_midi(p_midi_rx, p_midi_tx, clk_midi, c_midi, 0, null, null, null, null);
|
|
}
|
|
#endif
|
|
|
|
#ifdef SU1_ADC
|
|
xs1_su_adc_service(c_adc);
|
|
#endif
|
|
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
|