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bl_mcu_sdk/examples/usb/usb_audio_mic_speaker/main.c

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[feat][examples/usb] add usb audio with mic and speaker dmo,add usb cdc shell demo
2021-08-25 18:59:07 +08:00
/**
* @file main.c
* @brief
*
* Copyright (c) 2021 Bouffalolab team
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
*/
[refactor] remove bflb_platform.h from bl602 and bl702 driver,include it in anywhere used
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#include "bflb_platform.h"
[feat][examples/usb] add usb audio with mic and speaker dmo,add usb cdc shell demo
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#include "hal_usb.h"
#include "usbd_core.h"
#include "usbd_audio.h"
#include "hal_dma.h"
#include "hal_i2s.h"
#include "hal_dma.h"
#include "bsp_es8388.h"
#define USBD_VID 0xffff
#define USBD_PID 0xffff
#define USBD_MAX_POWER 100
#define USBD_LANGID_STRING 1033
#define AUDIO_IN_EP 0x81
#define AUDIO_OUT_EP 0x02
#define USB_HID_CONFIG_DESC_SIZ 34
#define HID_MOUSE_REPORT_DESC_SIZE 74
/* AUDIO Class Config */
#define USBD_AUDIO_FREQ 16000U
#define AUDIO_SAMPLE_FREQ(frq) (uint8_t)(frq), (uint8_t)((frq >> 8)), (uint8_t)((frq >> 16))
/* AudioFreq * DataSize (2 bytes) * NumChannels (Stereo: 2) */
#define AUDIO_OUT_PACKET ((uint32_t)((USBD_AUDIO_FREQ * 2 * 2) / 1000))
/* 16bit(2 Bytes) 双声道(Mono:2) */
#define AUDIO_IN_PACKET ((uint32_t)((USBD_AUDIO_FREQ * 2 * 2) / 1000))
#define MIC_IT_ID 0x01
#define MIC_FU_ID 0x02
#define MIC_OT_ID 0x03
#define USB_AUDIO_CONFIG_DESC_SIZ (unsigned long)(9 + \
9 + \
10 + \
12 + \
12 + \
9 + \
9 + \
10 + \
9 + \
9 + \
9 + \
7 + \
11 + \
9 + \
7 + \
9 + \
9 + \
7 + \
11 + \
9 + \
7)
USB_DESC_SECTION const uint8_t audio_descriptor[] = {
USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0001, 0x01),
USB_CONFIG_DESCRIPTOR_INIT(USB_AUDIO_CONFIG_DESC_SIZ, 0x03, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
/* ------------------ AudioControl Interface ------------------ */
/* USB Microphone Standard AC Interface Descriptor */
0x09, /* bLength */
USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */
0x00, /* bInterfaceNumber */
0x00, /* bAlternateSetting */
0x00, /* bNumEndpoints */
USB_DEVICE_CLASS_AUDIO, /* bInterfaceClass */
AUDIO_SUBCLASS_AUDIOCONTROL, /* bInterfaceSubClass */
AUDIO_PROTOCOL_UNDEFINED, /* bInterfaceProtocol */
0x00, /* iInterface */
/* 09 byte*/
/* USB Microphone Class-specific AC Interface Descriptor */
0x0a, /* bLength */
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */
AUDIO_CONTROL_HEADER, /* bDescriptorSubtype */
0x00, /* 1.00 */ /* bcdADC */
0x01,
0x47, /* wTotalLength */
0x00,
0x02, /* bInCollection */
0x01, /* baInterfaceNr */
0x02, /* baInterfaceNr */
/* 09 byte*/
/* USB Microphone Input Terminal Descriptor */
0x0C, /* bLength */
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */
AUDIO_CONTROL_INPUT_TERMINAL, /* bDescriptorSubtype */
0x02, /* bTerminalID */
0x01, /* wTerminalType : Microphone 0x0201 */
0x02,
0x00, /* bAssocTerminal */
0x02, /* bNrChannels */
0x01, /* wChannelConfig : Mono sets no position bits */
0x00,
0x00, /* iChannelNames */
0x00, /* iTerminal */
/* 12 byte*/
/* USB Microphone Input Terminal Descriptor */
0x0C, /* bLength */
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */
AUDIO_CONTROL_INPUT_TERMINAL, /* bDescriptorSubtype */
0x01, /* bTerminalID */
0x01, /* wTerminalType : Microphone 0x0101 */
0x01,
0x00, /* bAssocTerminal */
0x02, /* bNrChannels */
0x01, /* wChannelConfig : Mono sets no position bits */
0x00,
0x00, /* iChannelNames */
0x00, /* iTerminal */
/* 12 byte*/
/*USB Microphone Output Terminal Descriptor */
0x09, /* bLength */
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */
AUDIO_CONTROL_OUTPUT_TERMINAL, /* bDescriptorSubtype */
0x06, /* bTerminalID */
0x01, /* wTerminalType : speaker */
0x03,
0x00, /* bAssocTerminal */
0x09, /* bSourceID */
0x00, /* iTerminal */
/* 09 byte*/
/*USB Microphone Output Terminal Descriptor */
0x09, /* bLength */
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */
AUDIO_CONTROL_OUTPUT_TERMINAL, /* bDescriptorSubtype */
0x07, /* bTerminalID */
0x01, /* wTerminalType : speaker */
0x01,
0x00, /* bAssocTerminal */
0x0a, /* bSourceID */
0x00, /* iTerminal */
/* 09 byte*/
/* USB Microphone Audio Feature Unit Descriptor */
0x0a, /* bLength */
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */
AUDIO_CONTROL_FEATURE_UNIT, /* bDescriptorSubtype */
0x09, /* bUnitID */
0x01, /* bSourceID */
0x01, /* bControlSize */
0x01, /* bmaControls(0) Mute */
0x02, /* bmaControls(1) Volume */
0x02, /* bmaControls(2) Volume */
0x00, /* iFeature */
/* 10 byte*/
/* USB Microphone Audio Feature Unit Descriptor */
0x09, /* bLength */
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */
AUDIO_CONTROL_FEATURE_UNIT, /* bDescriptorSubtype */
0x0a, /* bUnitID */
0x02, /* bSourceID */
0x01, /* bControlSize */
0x43, /* bmaControls(0) Mute */
0x00, /* bmaControls(1) Volume */
0x00, /* iFeature */
/* 9 byte*/
/* --------------- AudioStreaming Interface --------------- */
/* USB Microphone Standard AS Interface Descriptor - Audio Streaming Zero Bandwith */
/* Interface 1, Alternate Setting 0 */
0x09, /* bLength */
USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */
0x01, /* bInterfaceNumber */
0x00, /* bAlternateSetting */
0x00, /* bNumEndpoints */
USB_DEVICE_CLASS_AUDIO, /* bInterfaceClass */
AUDIO_SUBCLASS_AUDIOSTREAMING, /* bInterfaceSubClass */
AUDIO_PROTOCOL_UNDEFINED, /* bInterfaceProtocol */
0x00, /* iInterface */
/* 09 byte*/
/* USB Microphone Standard AS Interface Descriptor - Audio Streaming Operational */
/* Interface 1, Alternate Setting 1 */
0x09, /* bLength */
USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */
0x01, /* bInterfaceNumber */
0x01, /* bAlternateSetting */
0x01, /* bNumEndpoints */
USB_DEVICE_CLASS_AUDIO, /* bInterfaceClass */
AUDIO_SUBCLASS_AUDIOSTREAMING, /* bInterfaceSubClass */
AUDIO_PROTOCOL_UNDEFINED, /* bInterfaceProtocol */
0x00, /* iInterface */
/* 09 byte*/
/* USB Microphone Class-specific AS General Interface Descriptor */
0X07, /* bLength */
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */
AUDIO_STREAMING_GENERAL, /* bDescriptorSubtype */
0x01, /* bTerminalLink : Unit ID of the Output Terminal*/
0x01, /* bDelay */
0x01, /* wFormatTag : AUDIO_FORMAT_PCM */
0x00,
/* 07 byte*/
/* USB Microphone Audio Type I Format Type Descriptor */
0x0b, /* bLength */
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */
AUDIO_STREAMING_FORMAT_TYPE, /* bDescriptorSubtype */
AUDIO_FORMAT_TYPE_I, /* bFormatType */
0x02, /* bNrChannels */
0x02, /* bSubFrameSize : 2 Bytes per audio subframe */
0x10, /* bBitResolution : 16 bits per sample */
0x01, /* bSamFreqType : only one frequency supported */
AUDIO_SAMPLE_FREQ(USBD_AUDIO_FREQ), /* tSamFreq : Audio sampling frequency coded on 3 bytes */
/* 11 byte*/
/* USB Microphone Standard AS Audio Data Endpoint Descriptor */
0x09, /* bLength */
USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType */
AUDIO_OUT_EP, /* bEndpointAddress : IN endpoint 1 */
0x01, /* bmAttributes */
LO_BYTE(AUDIO_OUT_PACKET), /* wMaxPacketSize */
HI_BYTE(AUDIO_OUT_PACKET),
0x01, /* bInterval : one packet per frame */
0x00, /* bRefresh */
0x00, /* bSynchAddress */
/* 09 byte*/
/* USB Microphone Class-specific Isoc. Audio Data Endpoint Descriptor */
0x07, /* bLength */
AUDIO_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType */
AUDIO_ENDPOINT_GENERAL, /* bDescriptor */
0x00, /* bmAttributes AUDIO_SAMPLING_FREQ_CONTROL */
0x00, /* bLockDelayUnits */
0x00, /* wLockDelay */
0x00,
/* 07 byte*/
/* --------------- AudioStreaming Interface --------------- */
/* USB Microphone Standard AS Interface Descriptor - Audio Streaming Zero Bandwith */
/* Interface 1, Alternate Setting 0 */
0x09, /* bLength */
USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */
0x02, /* bInterfaceNumber */
0x00, /* bAlternateSetting */
0x00, /* bNumEndpoints */
USB_DEVICE_CLASS_AUDIO, /* bInterfaceClass */
AUDIO_SUBCLASS_AUDIOSTREAMING, /* bInterfaceSubClass */
AUDIO_PROTOCOL_UNDEFINED, /* bInterfaceProtocol */
0x00, /* iInterface */
/* 09 byte*/
/* USB Microphone Standard AS Interface Descriptor - Audio Streaming Operational */
/* Interface 1, Alternate Setting 1 */
0x09, /* bLength */
USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */
0x02, /* bInterfaceNumber */
0x01, /* bAlternateSetting */
0x01, /* bNumEndpoints */
USB_DEVICE_CLASS_AUDIO, /* bInterfaceClass */
AUDIO_SUBCLASS_AUDIOSTREAMING, /* bInterfaceSubClass */
AUDIO_PROTOCOL_UNDEFINED, /* bInterfaceProtocol */
0x00, /* iInterface */
/* 09 byte*/
/* USB Microphone Class-specific AS General Interface Descriptor */
0X07, /* bLength */
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */
AUDIO_STREAMING_GENERAL, /* bDescriptorSubtype */
0x07, /* bTerminalLink : Unit ID of the Output Terminal*/
0x01, /* bDelay */
0x01, /* wFormatTag : AUDIO_FORMAT_PCM */
0x00,
/* 07 byte*/
/* USB Microphone Audio Type I Format Type Descriptor */
0x0b, /* bLength */
AUDIO_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType */
AUDIO_STREAMING_FORMAT_TYPE, /* bDescriptorSubtype */
AUDIO_FORMAT_TYPE_I, /* bFormatType */
0x02, /* bNrChannels */
0x02, /* bSubFrameSize : 2 Bytes per audio subframe */
0x10, /* bBitResolution : 16 bits per sample */
0x01, /* bSamFreqType : only one frequency supported */
AUDIO_SAMPLE_FREQ(USBD_AUDIO_FREQ), /* tSamFreq : Audio sampling frequency coded on 3 bytes */
/* 11 byte*/
/* USB Microphone Standard AS Audio Data Endpoint Descriptor */
0x09, /* bLength */
USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType */
AUDIO_IN_EP, /* bEndpointAddress : IN endpoint 1 */
0x01, /* bmAttributes */
LO_BYTE(AUDIO_IN_PACKET), /* wMaxPacketSize */
HI_BYTE(AUDIO_IN_PACKET),
0x01, /* bInterval : one packet per frame */
0x00, /* bRefresh */
0x00, /* bSynchAddress */
/* 09 byte*/
/* USB Microphone Class-specific Isoc. Audio Data Endpoint Descriptor */
0x07, /* bLength */
AUDIO_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType */
AUDIO_ENDPOINT_GENERAL, /* bDescriptor */
0x00, /* bmAttributes AUDIO_SAMPLING_FREQ_CONTROL */
0x00, /* bLockDelayUnits */
0x00, /* wLockDelay */
0x00,
/* 07 byte*/
///////////////////////////////////////
/// string0 descriptor
///////////////////////////////////////
USB_LANGID_INIT(USBD_LANGID_STRING),
///////////////////////////////////////
/// string1 descriptor
///////////////////////////////////////
0x12, /* bLength */
USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
'B', 0x00, /* wcChar0 */
'o', 0x00, /* wcChar1 */
'u', 0x00, /* wcChar2 */
'f', 0x00, /* wcChar3 */
'f', 0x00, /* wcChar4 */
'a', 0x00, /* wcChar5 */
'l', 0x00, /* wcChar6 */
'o', 0x00, /* wcChar7 */
///////////////////////////////////////
/// string2 descriptor
///////////////////////////////////////
0x28, /* bLength */
USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
'B', 0x00, /* wcChar0 */
'o', 0x00, /* wcChar1 */
'u', 0x00, /* wcChar2 */
'f', 0x00, /* wcChar3 */
'f', 0x00, /* wcChar4 */
'a', 0x00, /* wcChar5 */
'l', 0x00, /* wcChar6 */
'o', 0x00, /* wcChar7 */
' ', 0x00, /* wcChar8 */
'A', 0x00, /* wcChar9 */
'U', 0x00, /* wcChar10 */
'D', 0x00, /* wcChar11 */
'I', 0x00, /* wcChar12 */
'O', 0x00, /* wcChar13 */
' ', 0x00, /* wcChar14 */
'D', 0x00, /* wcChar15 */
'E', 0x00, /* wcChar16 */
'M', 0x00, /* wcChar17 */
'O', 0x00, /* wcChar18 */
///////////////////////////////////////
/// string3 descriptor
///////////////////////////////////////
0x16, /* bLength */
USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
'2', 0x00, /* wcChar0 */
'0', 0x00, /* wcChar1 */
'2', 0x00, /* wcChar2 */
'1', 0x00, /* wcChar3 */
'0', 0x00, /* wcChar4 */
'3', 0x00, /* wcChar5 */
'1', 0x00, /* wcChar6 */
'0', 0x00, /* wcChar7 */
'0', 0x00, /* wcChar8 */
'0', 0x00, /* wcChar9 */
[feat][examples/usb] add USB HS control for descriptor
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#ifdef CONFIG_USB_HS
[feat][examples/usb] add usb audio with mic and speaker dmo,add usb cdc shell demo
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///////////////////////////////////////
/// device qualifier descriptor
///////////////////////////////////////
0x0a,
USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
0x00,
0x02,
0x00,
0x00,
0x00,
0x40,
0x01,
0x00,
[feat][examples/usb] add USB HS control for descriptor
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#endif
[feat][examples/usb] add usb audio with mic and speaker dmo,add usb cdc shell demo
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0x00
};
struct device *usb_fs;
static uint8_t play_status = 0;
static usbd_class_t audio_class;
static usbd_interface_t audio_control_intf;
static usbd_interface_t audio_stream_intf;
static usbd_interface_t audio_stream_intf2;
struct device *i2s;
struct device *dma_ch2_i2s_tx, *dma_ch3_i2s_rx;
#define BUFF_SIZE (512)
volatile static uint8_t record_buff_using_num = 0, record_updata_flag = 0;
static uint8_t record_data_buff[2][BUFF_SIZE + 128] __attribute__((section(".system_ram"), aligned(4)));
volatile static uint8_t play_buff_using_num = 0, play_updata_flag = 0;
static uint8_t play_data_buff[2][BUFF_SIZE + 128] __attribute__((section(".system_ram"), aligned(4)));
[feat][examples/usb] add USB HS control for descriptor
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static uint8_t vol_change_flag = 0;
[feat][examples/usb] add usb audio with mic and speaker dmo,add usb cdc shell demo
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static ES8388_Cfg_Type ES8388Cfg = {
.work_mode = ES8388_CODEC_MDOE, /*!< ES8388 work mode */
.role = ES8388_SLAVE, /*!< ES8388 role */
.mic_input_mode = ES8388_DIFF_ENDED_MIC, /*!< ES8388 mic input mode */
.mic_pga = ES8388_MIC_PGA_9DB, /*!< ES8388 mic PGA */
.i2s_frame = ES8388_LEFT_JUSTIFY_FRAME, /*!< ES8388 I2S frame */
.data_width = ES8388_DATA_LEN_16, /*!< ES8388 I2S dataWitdh */
};
static uint32_t usb_data_offset = 0;
static uint8_t out_buffer[64];
void usbd_audio_out_callback(uint8_t ep)
{
uint32_t actual_read_length = 0;
int n;
if (!play_updata_flag) {
n = usbd_ep_read(ep, &play_data_buff[!play_buff_using_num][usb_data_offset], 64, &actual_read_length);
} else {
n = usbd_ep_read(ep, out_buffer, 64, &actual_read_length);
}
if (n < 0) {
usbd_ep_set_stall(ep);
return;
} else {
if (!play_updata_flag) {
usb_data_offset += actual_read_length;
/* The data is enough */
if (usb_data_offset >= BUFF_SIZE) {
play_updata_flag = 1;
usb_data_offset = 0;
}
} else {
/* too much data */
MSG("wait_flag\r\n");
}
}
}
void usbd_audio_set_interface_callback(uint8_t value)
{
if (value) {
play_status = 1;
device_control(usb_fs, DEVICE_CTRL_USB_DC_SET_ACK, (void *)0x81);
device_control(usb_fs, DEVICE_CTRL_USB_DC_SET_ACK, (void *)0x2);
[feat][examples/usb] add USB HS control for descriptor
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MSG("OPEN\r\n");
[feat][examples/usb] add usb audio with mic and speaker dmo,add usb cdc shell demo
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} else {
play_status = 0;
usb_data_offset = 0;
MSG("CLOSE\r\n");
}
}
static usbd_endpoint_t audio_out_ep = {
.ep_cb = usbd_audio_out_callback,
.ep_addr = AUDIO_OUT_EP
};
void usbd_audio_set_volume(uint8_t vol)
{
[feat][examples/usb] add USB HS control for descriptor
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vol_change_flag = vol;
[feat][examples/usb] add usb audio with mic and speaker dmo,add usb cdc shell demo
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}
[feat][examples/usb] add USB HS control for descriptor
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[feat][examples/usb] add usb audio with mic and speaker dmo,add usb cdc shell demo
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extern struct device *usb_dc_init(void);
struct device *dma_ch4_usb_tx;
static void dma_ch2_i2s_tx_irq_callback(struct device *dev, void *args, uint32_t size, uint32_t state)
{
// if (play_updata_flag) {
// MSG("data ok\r\n");
// play_buff_using_num = !play_buff_using_num;
// device_write(i2s, 0, play_data_buff[play_buff_using_num], BUFF_SIZE);
// play_updata_flag = 0;
// play_wait_data_flag = 0;
// } else {
// play_wait_data_flag = 1;
// MSG("data err\r\n");
// }
return;
}
static void dma_ch3_i2s_rx_irq_callback(struct device *dev, void *args, uint32_t size, uint32_t state)
{
record_updata_flag = 1;
// record_buff_using_num = !record_buff_using_num;
// device_read(i2s, 0, record_data_buff[record_buff_using_num], BUFF_SIZE);
return;
}
void audio_init()
{
/* init ES8388 Codec */
ES8388_Init(&ES8388Cfg);
//ES8388_Reg_Dump();
ES8388_Set_Voice_Volume(60);
/* register & open i2s device */
i2s_register(I2S0_INDEX, "I2S");
i2s = device_find("I2S");
if (i2s) {
I2S_DEV(i2s)->iis_mode = I2S_MODE_MASTER;
I2S_DEV(i2s)->interface_mode = I2S_MODE_LEFT;
I2S_DEV(i2s)->sampl_freq_hz = 16 * 1000;
I2S_DEV(i2s)->channel_num = I2S_FS_CHANNELS_NUM_2;
I2S_DEV(i2s)->frame_size = I2S_FRAME_LEN_16;
I2S_DEV(i2s)->data_size = I2S_DATA_LEN_16;
I2S_DEV(i2s)->fifo_threshold = 3;
device_open(i2s, DEVICE_OFLAG_DMA_TX | DEVICE_OFLAG_DMA_RX);
}
/* register & open dma device */
dma_register(DMA0_CH2_INDEX, "dma_ch2_i2s_tx");
dma_ch2_i2s_tx = device_find("dma_ch2_i2s_tx");
if (dma_ch2_i2s_tx) {
DMA_DEV(dma_ch2_i2s_tx)->direction = DMA_MEMORY_TO_PERIPH;
DMA_DEV(dma_ch2_i2s_tx)->transfer_mode = DMA_LLI_ONCE_MODE;
DMA_DEV(dma_ch2_i2s_tx)->src_req = DMA_REQUEST_NONE;
DMA_DEV(dma_ch2_i2s_tx)->dst_req = DMA_REQUEST_I2S_TX;
DMA_DEV(dma_ch2_i2s_tx)->src_width = DMA_TRANSFER_WIDTH_32BIT;
DMA_DEV(dma_ch2_i2s_tx)->dst_width = DMA_TRANSFER_WIDTH_32BIT;
DMA_DEV(dma_ch2_i2s_tx)->dst_burst_size = DMA_BURST_4BYTE;
DMA_DEV(dma_ch2_i2s_tx)->src_burst_size = DMA_BURST_4BYTE;
device_open(dma_ch2_i2s_tx, 0);
/* connect i2s device and dma device */
device_control(i2s, DEVICE_CTRL_ATTACH_TX_DMA, (void *)dma_ch2_i2s_tx);
/* Set the interrupt function, for double buffering*/
[feat][examples/usb] add USB HS control for descriptor
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device_set_callback(I2S_DEV(i2s)->tx_dma, dma_ch2_i2s_tx_irq_callback);
device_control(I2S_DEV(i2s)->tx_dma, DEVICE_CTRL_SET_INT, NULL);
[feat][examples/usb] add usb audio with mic and speaker dmo,add usb cdc shell demo
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}
dma_register(DMA0_CH3_INDEX, "dma_ch3_i2s_rx");
dma_ch3_i2s_rx = device_find("dma_ch3_i2s_rx");
if (dma_ch3_i2s_rx) {
DMA_DEV(dma_ch3_i2s_rx)->direction = DMA_PERIPH_TO_MEMORY;
DMA_DEV(dma_ch3_i2s_rx)->transfer_mode = DMA_LLI_ONCE_MODE;
DMA_DEV(dma_ch3_i2s_rx)->src_req = DMA_REQUEST_I2S_RX;
DMA_DEV(dma_ch3_i2s_rx)->dst_req = DMA_REQUEST_NONE;
DMA_DEV(dma_ch3_i2s_rx)->src_width = DMA_TRANSFER_WIDTH_32BIT;
DMA_DEV(dma_ch3_i2s_rx)->dst_width = DMA_TRANSFER_WIDTH_32BIT;
DMA_DEV(dma_ch3_i2s_rx)->dst_burst_size = DMA_BURST_4BYTE;
DMA_DEV(dma_ch3_i2s_rx)->src_burst_size = DMA_BURST_4BYTE;
device_open(dma_ch3_i2s_rx, 0);
/* connect i2s device and dma device */
device_control(i2s, DEVICE_CTRL_ATTACH_RX_DMA, (void *)dma_ch3_i2s_rx);
/* Set the interrupt function, for double buffering*/
[feat][examples/usb] add USB HS control for descriptor
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device_set_callback(I2S_DEV(i2s)->rx_dma, dma_ch3_i2s_rx_irq_callback);
device_control(I2S_DEV(i2s)->rx_dma, DEVICE_CTRL_SET_INT, NULL);
[feat][examples/usb] add usb audio with mic and speaker dmo,add usb cdc shell demo
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}
}
int main(void)
{
bflb_platform_init(0);
audio_init();
usbd_desc_register(audio_descriptor);
usbd_audio_add_interface(&audio_class, &audio_control_intf);
usbd_audio_add_interface(&audio_class, &audio_stream_intf);
usbd_audio_add_interface(&audio_class, &audio_stream_intf2);
usbd_interface_add_endpoint(&audio_stream_intf, &audio_out_ep);
usb_fs = usb_dc_init();
if (usb_fs) {
device_control(usb_fs, DEVICE_CTRL_SET_INT, (void *)(USB_EP2_DATA_OUT_IT));
}
dma_register(DMA0_CH4_INDEX, "dma_ch4_usb_tx");
dma_ch4_usb_tx = device_find("dma_ch4_usb_tx");
if (dma_ch4_usb_tx) {
DMA_DEV(dma_ch4_usb_tx)->direction = DMA_MEMORY_TO_PERIPH;
DMA_DEV(dma_ch4_usb_tx)->transfer_mode = DMA_LLI_ONCE_MODE;
DMA_DEV(dma_ch4_usb_tx)->src_req = DMA_REQUEST_NONE;
DMA_DEV(dma_ch4_usb_tx)->dst_req = DMA_REQUEST_USB_EP1;
DMA_DEV(dma_ch4_usb_tx)->src_width = DMA_TRANSFER_WIDTH_8BIT;
DMA_DEV(dma_ch4_usb_tx)->dst_width = DMA_TRANSFER_WIDTH_8BIT;
DMA_DEV(dma_ch4_usb_tx)->src_burst_size = DMA_BURST_16BYTE;
DMA_DEV(dma_ch4_usb_tx)->dst_burst_size = DMA_BURST_1BYTE;
device_open(dma_ch4_usb_tx, 0);
// device_set_callback(dma_ch4_usb_tx, dma2_irq_callback);
// device_control(dma_ch4_usb_tx, DEVICE_CTRL_SET_INT, NULL);
device_control(usb_fs, DEVICE_CTRL_ATTACH_TX_DMA, dma_ch4_usb_tx);
device_control(usb_fs, DEVICE_CTRL_USB_DC_SET_TX_DMA, (void *)AUDIO_IN_EP);
}
/* i2s record start */
device_read(i2s, 0, record_data_buff[0], BUFF_SIZE);
while (1) {
/* Waiting for record data update */
if (record_updata_flag) {
if (!device_control(dma_ch4_usb_tx, DMA_CHANNEL_GET_STATUS, NULL)) {
device_write(usb_fs, AUDIO_IN_EP, record_data_buff[!record_buff_using_num], BUFF_SIZE);
record_updata_flag = 0;
record_buff_using_num = !record_buff_using_num;
device_read(i2s, 0, record_data_buff[record_buff_using_num], BUFF_SIZE);
}
}
if (play_updata_flag) {
device_control(dma_ch2_i2s_tx, DMA_CHANNEL_STOP, NULL);
play_buff_using_num = !play_buff_using_num;
device_write(i2s, 0, play_data_buff[play_buff_using_num], BUFF_SIZE);
play_updata_flag = 0;
usb_data_offset = 0;
}
[feat][examples/usb] add USB HS control for descriptor
2021-09-26 15:09:27 +08:00
if (vol_change_flag) {
ES8388_Set_Voice_Volume(vol_change_flag);
vol_change_flag = 0;
}
[feat][examples/usb] add usb audio with mic and speaker dmo,add usb cdc shell demo
2021-08-25 18:59:07 +08:00
__asm volatile("nop");
__asm volatile("nop");
}
}
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