forked from PAWPAW-Mirror/lib_xua
xpd: Cleaned up whitespace
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@@ -3,11 +3,11 @@
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/* A very simple *example* of a USB audio application (and as such is un-verified for production)
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*
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* It uses the main blocks from the lib_xua
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* It uses the main blocks from the lib_xua
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*
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* - 2 in/ 2 out I2S only
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* - No DFU
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* - I2S only
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* - I2S only
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*
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*/
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@@ -31,7 +31,7 @@ in port p_for_mclk_count = PORT_MCLK_COUNT; /* Extra port for count
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in port p_mclk_in_usb = PORT_MCLK_IN_USB; /* Extra master clock input for the USB tile */
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/* Clock-block declarations */
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clock clk_audio_bclk = on tile[0]: XS1_CLKBLK_4; /* Bit clock */
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clock clk_audio_bclk = on tile[0]: XS1_CLKBLK_4; /* Bit clock */
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clock clk_audio_mclk = on tile[0]: XS1_CLKBLK_5; /* Master clock */
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clock clk_audio_mclk_usb = on tile[1]: XS1_CLKBLK_1; /* Master clock for USB tile */
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@@ -51,17 +51,17 @@ int main()
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/* Channel for audio data between buffering cores and AudioHub/IO core */
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chan c_aud;
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/* Channel for communicating control messages from EP0 to the rest of the device (via the buffering cores) */
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chan c_aud_ctl;
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par
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{
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/* Low level USB device layer core */
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/* Low level USB device layer core */
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on tile[1]: XUD_Main(c_ep_out, 2, c_ep_in, 2,
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c_sof, epTypeTableOut, epTypeTableIn,
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c_sof, epTypeTableOut, epTypeTableIn,
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XUD_SPEED_HS, XUD_PWR_SELF);
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/* Endpoint 0 core from lib_xua */
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/* Note, since we are not using many features we pass in null for quite a few params.. */
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on tile[1]: XUA_Endpoint0(c_ep_out[0], c_ep_in[0], c_aud_ctl, null, null, null, null);
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@@ -69,7 +69,7 @@ int main()
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/* Buffering cores - handles audio data to/from EP's and gives/gets data to/from the audio I/O core */
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/* Note, this spawns two cores */
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on tile[1]: {
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/* Connect master-clock clock-block to clock-block pin */
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set_clock_src(clk_audio_mclk_usb, p_mclk_in_usb); /* Clock clock-block from mclk pin */
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set_port_clock(p_for_mclk_count, clk_audio_mclk_usb); /* Clock the "count" port from the clock block */
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@@ -82,7 +82,7 @@ int main()
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/* AudioHub/IO core does most of the audio IO i.e. I2S (also serves as a hub for all audio) */
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on tile[0]: XUA_AudioHub(c_aud, clk_audio_mclk, clk_audio_bclk, p_mclk_in, p_lrclk, p_bclk, p_i2s_dac, p_i2s_adc);
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}
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return 0;
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}
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@@ -127,7 +127,7 @@ static USB_HID_Report_Element_t* const hidConfigurableElements[] = {
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};
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/*
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* List HID Reports, one per Report ID. This should be a usage page item with the relevant
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* List HID Reports, one per Report ID. This should be a usage page item with the relevant
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* If not using report IDs - still have one with report ID 0
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*/
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static const USB_HID_Report_Element_t* const hidReports[] = {
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@@ -50,7 +50,7 @@ void AudioHwConfig2(unsigned samFreq, unsigned mClk, unsigned dsdMode, unsigned
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delay_microseconds(20000);
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/* Take ADC out of reset */
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gpioVal |= P_GPIO_ADC_RST_N;
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gpioVal |= P_GPIO_ADC_RST_N;
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p_gpio <: gpioVal;
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/* Configure ADC for I2S slave mode via I2C */
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@@ -58,7 +58,7 @@ void AudioHwConfig2(unsigned samFreq, unsigned mClk, unsigned dsdMode, unsigned
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dif = 0x01; /* I2S */
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mode = 0x03; /* Slave mode all speeds */
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/* Reg 0x01: (GCTL) Global Mode Control Register
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/* Reg 0x01: (GCTL) Global Mode Control Register
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* Bit[7]: CP-EN: Manages control-port mode
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* Bit[6]: CLKMODE: Setting puts part in 384x mode
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* Bit[5:4]: MDIV[1:0]: Set to 01 for /2
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@@ -91,7 +91,7 @@ void AudioHwConfig2(unsigned samFreq, unsigned mClk, unsigned dsdMode, unsigned
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* bit[0] : Power Down (PDN) : Powered down
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*/
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DAC_REGWRITE(CS4384_MODE_CTRL, 0b11000001);
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/* PCM Control (Address: 0x03) */
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/* bit[7:4] : Digital Interface Format (DIF) : 0b0001 for I2S up to 24bit
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* bit[3:2] : Reserved
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@@ -1,7 +1,7 @@
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// Copyright 2017-2021 XMOS LIMITED.
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// This Software is subject to the terms of the XMOS Public Licence: Version 1.
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#ifndef _XUA_CONF_H_
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#ifndef _XUA_CONF_H_
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#define _XUA_CONF_H_
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#define NUM_USB_CHAN_OUT 2 /* Number of channels from host to device */
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@@ -19,7 +19,7 @@
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#define VENDOR_ID 0x20B1
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#define PRODUCT_STR_A2 "XUA Example"
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#define PRODUCT_STR_A1 "XUA Example"
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#define PID_AUDIO_1 1
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#define PID_AUDIO_1 1
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#define PID_AUDIO_2 2
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#define XUA_DFU_EN 0 /* Disable DFU (for simplicity of example */
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#define MIC_DUAL_ENABLED 0 // Use multi-threaded design
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