669 lines
16 KiB
Plaintext
Executable File
669 lines
16 KiB
Plaintext
Executable File
/**
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* @file main.xc
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* @brief Top level for XMOS USB 2.0 Audio 2.0 Reference Designs.
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* @author Ross Owen, XMOS Semiconductor Ltd
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*/
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#include <syscall.h>
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#include <platform.h>
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#include <xs1.h>
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#include <xclib.h>
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#include <print.h>
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#ifdef XSCOPE
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#include <xscope.h>
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#endif
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#include "xud.h" /* XMOS USB Device Layer defines and functions */
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#include "devicedefines.h" /* Device specific defines */
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#include "uac_hwresources.h"
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#include "endpoint0.h"
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#include "usb_buffer.h"
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#include "decouple.h"
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#ifdef MIDI
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#include "usb_midi.h"
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#endif
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#include "audio.h"
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#ifdef IAP
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#include "i2c_shared.h"
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#include "iap.h"
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#endif
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#ifdef MIXER
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#include "mixer.h"
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#endif
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#ifdef SPDIF_RX
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#include "SpdifReceive.h"
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#endif
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#ifdef ADAT_RX
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#include "adat_rx.h"
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#endif
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#include "clocking.h"
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#if (NUM_PDM_MICS > 0)
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#include "pcm_pdm_mic.h"
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#endif
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[[distributable]]
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void DFUHandler(server interface i_dfu i, chanend ?c_user_cmd);
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/* Audio I/O - Port declarations */
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#if I2S_WIRES_DAC > 0
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on tile[AUDIO_IO_TILE] : buffered out port:32 p_i2s_dac[I2S_WIRES_DAC] =
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{PORT_I2S_DAC0,
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#endif
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#if I2S_WIRES_DAC > 1
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PORT_I2S_DAC1,
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#endif
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#if I2S_WIRES_DAC > 2
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PORT_I2S_DAC2,
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#endif
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#if I2S_WIRES_DAC > 3
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PORT_I2S_DAC3,
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#endif
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#if I2S_WIRES_DAC > 4
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PORT_I2S_DAC4,
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#endif
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#if I2S_WIRES_DAC > 5
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PORT_I2S_DAC5,
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#endif
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#if I2S_WIRES_DAC > 6
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PORT_I2S_DAC6,
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#endif
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#if I2S_WIRES_DAC > 7
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#error I2S_WIRES_DAC value is too large!
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#endif
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#if I2S_WIRES_DAC > 0
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};
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#endif
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#if I2S_WIRES_ADC > 0
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on tile[AUDIO_IO_TILE] : buffered in port:32 p_i2s_adc[I2S_WIRES_ADC] =
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{PORT_I2S_ADC0,
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#endif
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#if I2S_WIRES_ADC > 1
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PORT_I2S_ADC1,
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#endif
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#if I2S_WIRES_ADC > 2
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PORT_I2S_ADC2,
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#endif
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#if I2S_WIRES_ADC > 3
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PORT_I2S_ADC3,
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#endif
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#if I2S_WIRES_ADC > 4
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PORT_I2S_ADC4,
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#endif
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#if I2S_WIRES_ADC > 5
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PORT_I2S_ADC5,
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#endif
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#if I2S_WIRES_ADC > 6
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PORT_I2S_ADC6,
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#endif
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#if I2S_WIRES_ADC > 7
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#error I2S_WIRES_ADC value is too large!
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#endif
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#if I2S_WIRES_ADC > 0
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};
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#endif
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#ifndef CODEC_MASTER
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on tile[AUDIO_IO_TILE] : buffered out port:32 p_lrclk = PORT_I2S_LRCLK;
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on tile[AUDIO_IO_TILE] : buffered out port:32 p_bclk = PORT_I2S_BCLK;
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#else
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on tile[AUDIO_IO_TILE] : in port p_lrclk = PORT_I2S_LRCLK;
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on tile[AUDIO_IO_TILE] : in port p_bclk = PORT_I2S_BCLK;
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#endif
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on tile[AUDIO_IO_TILE] : port p_mclk_in = PORT_MCLK_IN;
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on tile[XUD_TILE] : in port p_for_mclk_count = PORT_MCLK_COUNT;
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#ifdef SPDIF_TX
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on tile[SPDIF_TX_TILE] : buffered out port:32 p_spdif_tx = PORT_SPDIF_OUT;
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#endif
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#ifdef ADAT_TX
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on stdcore[AUDIO_IO_TILE] : buffered out port:32 p_adat_tx = PORT_ADAT_OUT;
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#endif
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#ifdef ADAT_RX
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on stdcore[XUD_TILE] : buffered in port:32 p_adat_rx = PORT_ADAT_IN;
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#endif
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#ifdef SPDIF_RX
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on tile[XUD_TILE] : buffered in port:4 p_spdif_rx = PORT_SPDIF_IN;
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#endif
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#if defined (SPDIF_RX) || defined (ADAT_RX)
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/* Reference to external clock multiplier */
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on tile[AUDIO_IO_TILE] : out port p_pll_clk = PORT_PLL_REF;
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#endif
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#ifdef MIDI
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on tile[MIDI_TILE] : port p_midi_tx = PORT_MIDI_OUT;
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#if(MIDI_RX_PORT_WIDTH == 4)
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on tile[MIDI_TILE] : buffered in port:4 p_midi_rx = PORT_MIDI_IN;
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#elif(MIDI_RX_PORT_WIDTH == 1)
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on tile[MIDI_TILE] : buffered in port:1 p_midi_rx = PORT_MIDI_IN;
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#endif
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#endif
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/* Clock blocks */
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#ifdef MIDI
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on tile[MIDI_TILE] : clock clk_midi = CLKBLK_MIDI;
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#endif
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#if defined(SPDIF_TX) || defined(ADAT_TX)
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on tile[SPDIF_TX_TILE] : clock clk_mst_spd = CLKBLK_SPDIF_TX;
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#endif
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#ifdef SPDIF_RX
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on tile[XUD_TILE] : clock clk_spd_rx = CLKBLK_SPDIF_RX;
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#endif
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#if(XUD_SERIES_SUPPORT == XUD_L_SERIES) && defined(ADAT_RX)
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/* Cannot use default clock (CLKBLK_REF) for ADAT RX since it is tied to the
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60MHz USB clock on G/L series parts. */
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on tile[XUD_TILE] : clock clk_adat_rx = CLKBLK_ADAT_RX;
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#endif
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on tile[AUDIO_IO_TILE] : clock clk_audio_mclk = CLKBLK_MCLK; /* Master clock */
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#if(AUDIO_IO_TILE != XUD_TILE)
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on tile[XUD_TILE] : clock clk_audio_mclk2 = CLKBLK_MCLK; /* Master clock */
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on tile[XUD_TILE] : in port p_mclk_in2 = PORT_MCLK_IN2;
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#endif
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on tile[AUDIO_IO_TILE] : clock clk_audio_bclk = CLKBLK_I2S_BIT; /* Bit clock */
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/* L/G Series needs a port to use for USB reset */
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#if (XUD_SERIES_SUPPORT != XUD_U_SERIES) && defined(PORT_USB_RESET)
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/* This define is checked since it could be on a shift reg or similar */
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on tile[XUD_TILE] : out port p_usb_rst = PORT_USB_RESET;
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#else
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/* Reset port not required for U series due to built in Phy */
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#define p_usb_rst null
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#endif
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#if (XUD_SERIES_SUPPORT != XUD_U_SERIES && XUD_SERIES_SUPPORT != XUD_X200_SERIES)
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/* L Series also needs a clock block for this port */
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on tile[XUD_TILE] : clock clk = CLKBLK_USB_RST;
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#else
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#define clk null
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#endif
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#ifdef IAP
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/* I2C ports - in a struct for use with module_i2c_shared & module_i2c_simple/module_i2c_single_port */
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#ifdef PORT_I2C
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on tile [IAP_TILE] : struct r_i2c r_i2c = {PORT_I2C};
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#else
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on tile [IAP_TILE] : struct r_i2c r_i2c = {PORT_I2C_SCL, PORT_I2C_SDA};
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#endif
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#endif
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/* Endpoint type tables for XUD */
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XUD_EpType epTypeTableOut[ENDPOINT_COUNT_OUT] = { XUD_EPTYPE_CTL | XUD_STATUS_ENABLE,
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XUD_EPTYPE_ISO, /* Audio */
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#ifdef MIDI
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XUD_EPTYPE_BUL, /* MIDI */
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#endif
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#ifdef IAP
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XUD_EPTYPE_BUL, /* iAP */
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#ifdef IAP_EA_NATIVE_TRANS
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XUD_EPTYPE_BUL, /* EA Native Transport */
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#endif
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#endif
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};
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XUD_EpType epTypeTableIn[ENDPOINT_COUNT_IN] = { XUD_EPTYPE_CTL | XUD_STATUS_ENABLE,
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XUD_EPTYPE_ISO,
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#if (NUM_USB_CHAN_IN == 0) || defined(UAC_FORCE_FEEDBACK_EP)
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XUD_EPTYPE_ISO, /* Async feedback endpoint */
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#endif
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#if defined (SPDIF_RX) || defined (ADAT_RX)
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XUD_EPTYPE_BUL,
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#endif
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#ifdef MIDI
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XUD_EPTYPE_BUL,
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#endif
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#ifdef HID_CONTROLS
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XUD_EPTYPE_INT,
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#endif
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#ifdef IAP
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XUD_EPTYPE_BUL | XUD_STATUS_ENABLE,
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#ifdef IAP_INT_EP
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XUD_EPTYPE_BUL | XUD_STATUS_ENABLE,
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#endif
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#ifdef IAP_EA_NATIVE_TRANS
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XUD_EPTYPE_BUL | XUD_STATUS_ENABLE,
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#endif
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#endif
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};
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void thread_speed()
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{
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#ifdef FAST_MODE
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#warning Building with fast mode enabled
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set_thread_fast_mode_on();
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#else
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set_thread_fast_mode_off();
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#endif
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}
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#ifdef XSCOPE
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void xscope_user_init()
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{
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xscope_register(0, 0, "", 0, "");
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xscope_config_io(XSCOPE_IO_BASIC);
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}
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#endif
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/* Core USB Audio functions - must be called on the Tile connected to the USB Phy */
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void usb_audio_core(chanend c_mix_out
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#ifdef MIDI
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, chanend c_midi
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#endif
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#ifdef IAP
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, chanend c_iap
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#ifdef IAP_EA_NATIVE_TRANS
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, chanend c_ea_data
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#endif
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#endif
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#ifdef MIXER
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, chanend c_mix_ctl
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#endif
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, chanend ?c_clk_int
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, chanend ?c_clk_ctl
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, client interface i_dfu ?dfuInterface
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)
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{
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chan c_sof;
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chan c_xud_out[ENDPOINT_COUNT_OUT]; /* Endpoint channels for XUD */
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chan c_xud_in[ENDPOINT_COUNT_IN];
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chan c_aud_ctl;
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#ifdef CHAN_BUFF_CTRL
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#warning Using channel to control buffering - this may reduce performance but improve power consumption
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chan c_buff_ctrl;
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#endif
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#ifndef MIXER
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#define c_mix_ctl null
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#endif
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#ifdef IAP_EA_NATIVE_TRANS
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chan c_EANativeTransport_ctrl;
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#else
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#define c_EANativeTransport_ctrl null
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#endif
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par
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{
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/* USB Interface Core */
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#if (AUDIO_CLASS==2)
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XUD_Manager(c_xud_out, ENDPOINT_COUNT_OUT, c_xud_in, ENDPOINT_COUNT_IN,
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c_sof, epTypeTableOut, epTypeTableIn, p_usb_rst,
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clk, 1, XUD_SPEED_HS, XUD_PWR_CFG);
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#else
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XUD_Manager(c_xud_out, ENDPOINT_COUNT_OUT, c_xud_in, ENDPOINT_COUNT_IN,
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c_sof, epTypeTableOut, epTypeTableIn, p_usb_rst,
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clk, 1, XUD_SPEED_FS, XUD_PWR_CFG);
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#endif
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/* USB Packet buffering Core */
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{
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unsigned x;
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thread_speed();
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/* Attach mclk count port to mclk clock-block (for feedback) */
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//set_port_clock(p_for_mclk_count, clk_audio_mclk);
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#if(AUDIO_IO_TILE != XUD_TILE)
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set_clock_src(clk_audio_mclk2, p_mclk_in2);
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set_port_clock(p_for_mclk_count, clk_audio_mclk2);
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start_clock(clk_audio_mclk2);
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#else
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/* Uses same clock-block as I2S */
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asm("ldw %0, dp[clk_audio_mclk]":"=r"(x));
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asm("setclk res[%0], %1"::"r"(p_for_mclk_count), "r"(x));
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#endif
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//:buffer
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buffer(c_xud_out[ENDPOINT_NUMBER_OUT_AUDIO], /* Audio Out*/
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c_xud_in[ENDPOINT_NUMBER_IN_AUDIO], /* Audio In */
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#if (NUM_USB_CHAN_IN == 0) || defined(UAC_FORCE_FEEDBACK_EP)
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c_xud_in[ENDPOINT_NUMBER_IN_FEEDBACK], /* Audio FB */
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#endif
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#ifdef MIDI
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c_xud_out[ENDPOINT_NUMBER_OUT_MIDI], /* MIDI Out */ // 2
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c_xud_in[ENDPOINT_NUMBER_IN_MIDI], /* MIDI In */ // 4
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c_midi,
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#endif
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#ifdef IAP
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c_xud_out[ENDPOINT_NUMBER_OUT_IAP], /* iAP Out */
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c_xud_in[ENDPOINT_NUMBER_IN_IAP], /* iAP In */
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#ifdef IAP_INT_EP
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c_xud_in[ENDPOINT_NUMBER_IN_IAP_INT], /* iAP Interrupt In */
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#endif
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c_iap,
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#ifdef IAP_EA_NATIVE_TRANS
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c_xud_out[ENDPOINT_NUMBER_OUT_IAP_EA_NATIVE_TRANS],
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c_xud_in[ENDPOINT_NUMBER_IN_IAP_EA_NATIVE_TRANS],
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c_EANativeTransport_ctrl,
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c_ea_data,
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#endif
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#endif
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#if defined(SPDIF_RX) || defined(ADAT_RX)
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/* Audio Interrupt - only used for interrupts on external clock change */
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c_xud_in[ENDPOINT_NUMBER_IN_INTERRUPT],
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c_clk_int,
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#endif
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c_sof, c_aud_ctl, p_for_mclk_count
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#ifdef HID_CONTROLS
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, c_xud_in[ENDPOINT_NUMBER_IN_HID]
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#endif
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#ifdef CHAN_BUFF_CTRL
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, c_buff_ctrl
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#endif
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);
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//:
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}
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/* Endpoint 0 Core */
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{
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thread_speed();
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Endpoint0( c_xud_out[0], c_xud_in[0], c_aud_ctl, c_mix_ctl, c_clk_ctl, c_EANativeTransport_ctrl, dfuInterface);
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}
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/* Decoupling core */
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{
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thread_speed();
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decouple(c_mix_out
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#ifdef CHAN_BUFF_CTRL
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, c_buff_ctrl
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#endif
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);
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}
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//:
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}
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}
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void usb_audio_io(chanend c_aud_in, chanend ?c_adc,
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#if defined(SPDIF_TX) && (SPDIF_TX_TILE != AUDIO_IO_TILE)
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chanend c_spdif_tx,
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#endif
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#ifdef MIXER
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chanend c_mix_ctl,
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#endif
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chanend ?c_aud_cfg,
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streaming chanend ?c_spdif_rx,
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chanend ?c_adat_rx,
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chanend ?c_clk_ctl,
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chanend ?c_clk_int
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#if (XUD_TILE != 0)
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, server interface i_dfu dfuInterface
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#endif
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#if (NUM_PDM_MICS > 0)
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, chanend c_pdm_pcm
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#endif
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)
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{
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#ifdef MIXER
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chan c_mix_out;
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#endif
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#if defined(SPDIF_RX) || defined(ADAT_RX)
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chan c_dig_rx;
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#else
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#define c_dig_rx null
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#endif
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par
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{
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#ifdef MIXER
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/* Mixer cores(s) */
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{
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thread_speed();
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mixer(c_aud_in, c_mix_out, c_mix_ctl);
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}
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#endif
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/* Audio I/O Core (pars additional S/PDIF TX Core) */
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{
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thread_speed();
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#ifdef MIXER
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#define AUDIO_CHANNEL c_mix_out
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#else
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#define AUDIO_CHANNEL c_aud_in
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#endif
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audio(AUDIO_CHANNEL,
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#if defined(SPDIF_TX) && (SPDIF_TX_TILE != AUDIO_IO_TILE)
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c_spdif_tx,
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#endif
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#if defined(SPDIF_RX) || defined(ADAT_RX)
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c_dig_rx,
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#endif
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c_aud_cfg, c_adc
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#if XUD_TILE != 0
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, dfuInterface
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#endif
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#if (NUM_PDM_MICS > 0)
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, c_pdm_pcm
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#endif
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);
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}
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#if defined(SPDIF_RX) || defined(ADAT_RX)
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{
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thread_speed();
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clockGen(c_spdif_rx, c_adat_rx, p_pll_clk, c_dig_rx, c_clk_ctl, c_clk_int);
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}
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#endif
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//:
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}
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}
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#ifndef USER_MAIN_DECLARATIONS
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#define USER_MAIN_DECLARATIONS
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#endif
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#ifndef USER_MAIN_CORES
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#define USER_MAIN_CORES
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#endif
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/* Main for USB Audio Applications */
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int main()
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{
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chan c_mix_out;
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#ifdef MIDI
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chan c_midi;
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#endif
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#ifdef IAP
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chan c_iap;
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#ifdef IAP_EA_NATIVE_TRANS
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chan c_ea_data;
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#endif
|
|
#endif
|
|
#ifdef SU1_ADC_ENABLE
|
|
chan c_adc;
|
|
#else
|
|
#define c_adc null
|
|
#endif
|
|
|
|
#ifdef MIXER
|
|
chan c_mix_ctl;
|
|
#endif
|
|
|
|
#ifdef AUDIO_CFG_CHAN
|
|
chan c_aud_cfg;
|
|
#else
|
|
#define c_aud_cfg null
|
|
#endif
|
|
|
|
#ifdef SPDIF_RX
|
|
streaming chan c_spdif_rx;
|
|
#else
|
|
#define c_spdif_rx null
|
|
#endif
|
|
|
|
#ifdef ADAT_RX
|
|
chan c_adat_rx;
|
|
#else
|
|
#define c_adat_rx null
|
|
#endif
|
|
|
|
#if defined(SPDIF_TX) && (SPDIF_TX_TILE != AUDIO_IO_TILE)
|
|
chan c_spdif_tx;
|
|
#endif
|
|
|
|
|
|
#if (defined (SPDIF_RX) || defined (ADAT_RX))
|
|
chan c_clk_ctl;
|
|
chan c_clk_int;
|
|
#else
|
|
#define c_clk_int null
|
|
#define c_clk_ctl null
|
|
#endif
|
|
|
|
#ifdef DFU
|
|
interface i_dfu dfuInterface;
|
|
#else
|
|
#define dfuInterface null
|
|
#endif
|
|
|
|
#if (NUM_PDM_MICS > 0)
|
|
chan c_pdm_pcm;
|
|
#endif
|
|
|
|
USER_MAIN_DECLARATIONS
|
|
|
|
par
|
|
{
|
|
on tile[XUD_TILE]:
|
|
par
|
|
{
|
|
#if (XUD_TILE == 0)
|
|
/* Check if USB is on the flash tile (tile 0) */
|
|
#ifdef DFU
|
|
[[distribute]]
|
|
DFUHandler(dfuInterface, null);
|
|
#endif
|
|
#endif
|
|
usb_audio_core(c_mix_out
|
|
#ifdef MIDI
|
|
, c_midi
|
|
#endif
|
|
#ifdef IAP
|
|
, c_iap
|
|
#ifdef IAP_EA_NATIVE_TRANS
|
|
, c_ea_data
|
|
#endif
|
|
#endif
|
|
#ifdef MIXER
|
|
, c_mix_ctl
|
|
#endif
|
|
, c_clk_int, c_clk_ctl, dfuInterface
|
|
|
|
);
|
|
}
|
|
|
|
on tile[AUDIO_IO_TILE]: usb_audio_io(c_mix_out, c_adc
|
|
#if defined(SPDIF_TX) && (SPDIF_TX_TILE != AUDIO_IO_TILE)
|
|
, c_spdif_tx
|
|
#endif
|
|
#ifdef MIXER
|
|
, c_mix_ctl
|
|
#endif
|
|
,c_aud_cfg, c_spdif_rx, c_adat_rx, c_clk_ctl, c_clk_int
|
|
#if XUD_TILE != 0
|
|
, dfuInterface
|
|
#endif
|
|
#if (NUM_PDM_MICS > 0)
|
|
, c_pdm_pcm
|
|
#endif
|
|
|
|
);
|
|
|
|
#if defined(SPDIF_TX) && (SPDIF_TX_TILE != AUDIO_IO_TILE)
|
|
on tile[SPDIF_TX_TILE]:
|
|
{
|
|
thread_speed();
|
|
SpdifTxWrapper(c_spdif_tx);
|
|
}
|
|
#endif
|
|
|
|
#if defined(MIDI) && defined(IAP) && (IAP_TILE == MIDI_TILE)
|
|
/* MIDI and IAP share a core */
|
|
on tile[IAP_TILE]:
|
|
{
|
|
thread_speed();
|
|
usb_midi(p_midi_rx, p_midi_tx, clk_midi, c_midi, 0, c_iap, null, null, null);
|
|
}
|
|
#else
|
|
#if defined(MIDI)
|
|
/* MIDI core */
|
|
on tile[MIDI_TILE]:
|
|
{
|
|
thread_speed();
|
|
usb_midi(p_midi_rx, p_midi_tx, clk_midi, c_midi, 0, null, null, null, null);
|
|
}
|
|
#endif
|
|
#if defined(IAP)
|
|
on tile[IAP_TILE]:
|
|
{
|
|
thread_speed();
|
|
iAP(c_iap, null, null, null);
|
|
}
|
|
#endif
|
|
#endif
|
|
|
|
#ifdef SPDIF_RX
|
|
on tile[XUD_TILE]:
|
|
{
|
|
thread_speed();
|
|
SpdifReceive(p_spdif_rx, c_spdif_rx, 1, clk_spd_rx);
|
|
}
|
|
#endif
|
|
|
|
#ifdef ADAT_RX
|
|
on stdcore[XUD_TILE] :
|
|
{
|
|
set_thread_fast_mode_on();
|
|
|
|
#if(XUD_SERIES_SUPPORT == XUD_L_SERIES)
|
|
/* Can't use REF clock on L-series as this is usb clock */
|
|
set_port_clock(p_adat_rx, clk_adat_rx);
|
|
start_clock(clk_adat_rx);
|
|
#endif
|
|
while (1)
|
|
{
|
|
adatReceiver48000(p_adat_rx, c_adat_rx);
|
|
adatReceiver44100(p_adat_rx, c_adat_rx);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if (NUM_PDM_MICS > 0)
|
|
on stdcore[PDM_TILE]: pcm_pdm_mic(c_pdm_pcm);
|
|
#endif
|
|
USER_MAIN_CORES
|
|
}
|
|
|
|
#ifdef SU1_ADC_ENABLE
|
|
xs1_su_adc_service(c_adc);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|