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pinebuds/apps/usbaudio/usbaudio_entry.c

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/***************************************************************************
*
* Copyright 2015-2019 BES.
* All rights reserved. All unpublished rights reserved.
*
* No part of this work may be used or reproduced in any form or by any
* means, or stored in a database or retrieval system, without prior written
* permission of BES.
*
* Use of this work is governed by a license granted by BES.
* This work contains confidential and proprietary information of
* BES. which is protected by copyright, trade secret,
* trademark and other intellectual property rights.
*
****************************************************************************/
#include "analog.h"
#include "audioflinger.h"
#include "cmsis.h"
#include "hal_cmu.h"
#include "hal_dma.h"
#include "hal_gpadc.h"
#include "hal_iomux.h"
#include "hal_key.h"
#include "hal_sleep.h"
#include "hal_sysfreq.h"
#include "hal_timer.h"
#include "hal_trace.h"
#include "hwtimer_list.h"
#include "plat_addr_map.h"
#include "pmu.h"
#include "string.h"
#if defined(ANC_APP)
#include "anc_usb_app.h"
#endif
#include "audio_process.h"
#include "dualadc_audio_app.h"
#include "tgt_hardware.h"
#include "usb_audio_app.h"
#include "usb_audio_frm_defs.h"
#ifdef RTOS
#include "cmsis_os.h"
#endif
#ifdef __PC_CMD_UART__
#include "hal_cmd.h"
#endif
#ifdef USB_AUDIO_SPEECH
#define CODEC_BUFF_FRAME_NUM (2 * 16)
#define USB_BUFF_FRAME_NUM (CODEC_BUFF_FRAME_NUM * 2)
#else
#define CODEC_BUFF_FRAME_NUM 4
#define USB_BUFF_FRAME_NUM 8
#endif
#if (CODEC_BUFF_FRAME_NUM >= USB_BUFF_FRAME_NUM)
#error \
"Codec buffer frame num should be less than usb buffer frame num (on the requirement of conflict ctrl)"
#endif
#ifdef USB_AUDIO_DYN_CFG
#define USB_AUDIO_PLAYBACK_BUFF_SIZE \
NON_EXP_ALIGN(MAX_FRAME_SIZE_PLAYBACK *CODEC_BUFF_FRAME_NUM, DAC_BUFF_ALIGN)
#define USB_AUDIO_CAPTURE_BUFF_SIZE \
NON_EXP_ALIGN(MAX_FRAME_SIZE_CAPTURE *CODEC_BUFF_FRAME_NUM, ADC_BUFF_ALIGN)
#define USB_AUDIO_RECV_BUFF_SIZE \
NON_EXP_ALIGN(MAX_FRAME_SIZE_RECV *USB_BUFF_FRAME_NUM, RECV_BUFF_ALIGN)
#define USB_AUDIO_SEND_BUFF_SIZE \
NON_EXP_ALIGN(MAX_FRAME_SIZE_SEND *USB_BUFF_FRAME_NUM, SEND_BUFF_ALIGN)
#if defined(CHIP_BEST1000)
// FIR EQ is working on 16-bit
// FIR_EQ_buffer_size = max_playback_symbol_number_in_buffer * sizeof(int16_t)
#define USB_AUDIO_FIR_EQ_BUFF_SIZE USB_AUDIO_PLAYBACK_BUFF_SIZE
#elif defined(CHIP_BEST2000)
// FIR EQ is working on 32-bit
// FIR_EQ_buffer_size = max_playback_symbol_number_in_buffer * sizeof(int32_t)
#define USB_AUDIO_FIR_EQ_BUFF_SIZE (USB_AUDIO_PLAYBACK_BUFF_SIZE * 2)
#elif defined(CHIP_BEST2300) || defined(CHIP_BEST2300P)
// FIR EQ is working on 32-bit
// FIR_EQ_buffer_size = max_playback_symbol_number_in_buffer * sizeof(int32_t)
#define USB_AUDIO_FIR_EQ_BUFF_SIZE (USB_AUDIO_PLAYBACK_BUFF_SIZE * 2)
#endif
#else
#define USB_AUDIO_PLAYBACK_BUFF_SIZE \
NON_EXP_ALIGN(FRAME_SIZE_PLAYBACK *CODEC_BUFF_FRAME_NUM, DAC_BUFF_ALIGN)
#define USB_AUDIO_CAPTURE_BUFF_SIZE \
NON_EXP_ALIGN(FRAME_SIZE_CAPTURE *CODEC_BUFF_FRAME_NUM, ADC_BUFF_ALIGN)
#define USB_AUDIO_RECV_BUFF_SIZE \
NON_EXP_ALIGN(FRAME_SIZE_RECV *USB_BUFF_FRAME_NUM, RECV_BUFF_ALIGN)
#define USB_AUDIO_SEND_BUFF_SIZE \
NON_EXP_ALIGN(FRAME_SIZE_SEND *USB_BUFF_FRAME_NUM, SEND_BUFF_ALIGN)
#if defined(CHIP_BEST1000)
// FIR EQ is working on 16-bit
#define USB_AUDIO_FIR_EQ_BUFF_SIZE \
(USB_AUDIO_PLAYBACK_BUFF_SIZE * sizeof(int16_t) / SAMPLE_SIZE_PLAYBACK)
#elif defined(CHIP_BEST2000)
// FIR EQ is working on 16-bit
#define USB_AUDIO_FIR_EQ_BUFF_SIZE \
(USB_AUDIO_PLAYBACK_BUFF_SIZE * sizeof(int32_t) / SAMPLE_SIZE_PLAYBACK)
#elif defined(CHIP_BEST2300) || defined(CHIP_BEST2300P)
// FIR EQ is working on 16-bit
#define USB_AUDIO_FIR_EQ_BUFF_SIZE \
(USB_AUDIO_PLAYBACK_BUFF_SIZE * sizeof(int32_t) / SAMPLE_SIZE_PLAYBACK)
#endif
#endif
#if (defined(CHIP_BEST1000) && \
(defined(ANC_APP) || defined(_DUAL_AUX_MIC_))) && \
(CHAN_NUM_CAPTURE == CHAN_NUM_SEND)
// Resample input buffer size should be (half_of_max_sample_num *
// SAMPLE_SIZE_CAPTURE * CHAN_NUM_CAPTURE). half_of_max_sample_num = 48000 /
// 1000 * CODEC_BUFF_FRAME_NUM / 2 * 48 / 44
#define RESAMPLE_INPUT_BUFF_SIZE \
ALIGN(48000 / 1000 * SAMPLE_SIZE_CAPTURE * CHAN_NUM_CAPTURE * \
CODEC_BUFF_FRAME_NUM / 2 * 48 / 44, \
4)
#else
#define RESAMPLE_INPUT_BUFF_SIZE 0
#endif
// Resample history buffer size should be
// sizeof(struct RESAMPLE_CTRL_T) + ((SAMPLE_NUM + phase_coef_num) *
// SAMPLE_SIZE_CAPTURE * CHAN_NUM_CAPTURE)
#define RESAMPLE_HISTORY_BUFF_SIZE \
(50 + (256 * SAMPLE_SIZE_CAPTURE * CHAN_NUM_CAPTURE))
#define USB_AUDIO_RESAMPLE_BUFF_SIZE \
(RESAMPLE_INPUT_BUFF_SIZE + RESAMPLE_HISTORY_BUFF_SIZE)
#define ALIGNED4 ALIGNED(4)
#if defined(USB_AUDIO_APP) || defined(DUALADC_AUDIO_TEST)
#ifdef AUDIO_ANC_FB_MC
static uint8_t ALIGNED4 playback_buff[USB_AUDIO_PLAYBACK_BUFF_SIZE *
9]; // max 48->384 or 44.1->44.1*8;
#else
static uint8_t ALIGNED4 playback_buff[USB_AUDIO_PLAYBACK_BUFF_SIZE];
#endif
static uint8_t ALIGNED4 capture_buff[USB_AUDIO_CAPTURE_BUFF_SIZE];
#endif
#ifdef USB_AUDIO_APP
#if defined(__HW_FIR_EQ_PROCESS__) && defined(__HW_IIR_EQ_PROCESS__)
static uint8_t ALIGNED4
eq_buff[USB_AUDIO_FIR_EQ_BUFF_SIZE + USB_AUDIO_IIR_EQ_BUFF_SIZE];
#elif defined(__HW_FIR_EQ_PROCESS__) && !defined(__HW_IIR_EQ_PROCESS__)
static uint8_t ALIGNED4 eq_buff[USB_AUDIO_FIR_EQ_BUFF_SIZE];
#elif !defined(__HW_FIR_EQ_PROCESS__) && defined(__HW_IIR_EQ_PROCESS__)
static uint8_t ALIGNED4 eq_buff[USB_AUDIO_IIR_EQ_BUFF_SIZE];
#else
static uint8_t ALIGNED4 eq_buff[0];
#endif
#ifdef SW_CAPTURE_RESAMPLE
static uint8_t ALIGNED4 resample_buff[USB_AUDIO_RESAMPLE_BUFF_SIZE];
#else
static uint8_t ALIGNED4 resample_buff[0];
#endif
static uint8_t ALIGNED4 recv_buff[USB_AUDIO_RECV_BUFF_SIZE];
static uint8_t ALIGNED4 send_buff[USB_AUDIO_SEND_BUFF_SIZE];
#endif
#ifdef CFG_HW_KEY_LED_PIN
const struct HAL_IOMUX_PIN_FUNCTION_MAP pinmux_key_led[1] = {
{CFG_HW_KEY_LED_PIN, HAL_IOMUX_FUNC_AS_GPIO, HAL_IOMUX_PIN_VOLTAGE_VIO,
HAL_IOMUX_PIN_NOPULL},
};
#endif
#ifdef CFG_MIC_KEY
extern void mic_key_open(void);
#endif
static void uart_i2c_switch(void) {
static int flag = 0;
flag ^= 1;
if (flag) {
hal_iomux_set_analog_i2c();
} else {
hal_iomux_set_uart0();
}
}
static int POSSIBLY_UNUSED key_event_process(uint32_t key_code,
uint8_t key_event) {
TRACE(3, "%s: code=0x%X, event=%u", __FUNCTION__, key_code, key_event);
#ifdef CFG_HW_KEY_LED_PIN
if (key_event == HAL_KEY_EVENT_DOWN) {
hal_gpio_pin_set(CFG_HW_KEY_LED_PIN);
} else if (key_event == HAL_KEY_EVENT_UP) {
hal_gpio_pin_clr(CFG_HW_KEY_LED_PIN);
}
#endif
#ifdef USB_AUDIO_APP
if (usb_audio_app_key(key_code, key_event) == 0) {
return 0;
}
#endif
#ifdef ANC_APP
if (anc_usb_app_key(key_code, key_event) == 0) {
return 0;
}
#endif
if (key_event == HAL_KEY_EVENT_CLICK) {
if (key_code == HAL_KEY_CODE_FN9) {
uart_i2c_switch();
}
}
return 0;
}
void anc_usb_open(void) {
TRACE(1, "%s", __FUNCTION__);
#ifdef __AUDIO_RESAMPLE__
hal_cmu_audio_resample_enable();
#endif
#ifdef USB_AUDIO_APP
struct USB_AUDIO_BUF_CFG cfg;
memset(&cfg, 0, sizeof(cfg));
cfg.play_buf = playback_buff;
#ifdef AUDIO_ANC_FB_MC
cfg.play_size = sizeof(playback_buff) / 9;
#else
cfg.play_size = sizeof(playback_buff);
#endif
cfg.cap_buf = capture_buff;
cfg.cap_size = sizeof(capture_buff);
cfg.recv_buf = recv_buff;
cfg.recv_size = sizeof(recv_buff);
cfg.send_buf = send_buff;
cfg.send_size = sizeof(send_buff);
cfg.eq_buf = eq_buff;
cfg.eq_size = sizeof(eq_buff);
cfg.resample_buf = resample_buff;
cfg.resample_size = sizeof(resample_buff);
usb_audio_app_init(&cfg);
usb_audio_app(1);
#endif
#ifdef ANC_APP
anc_usb_app_init(AUD_INPUT_PATH_MAINMIC, SAMPLE_RATE_PLAYBACK,
SAMPLE_RATE_CAPTURE);
#endif
#ifdef DUALADC_AUDIO_TEST
dualadc_audio_app_init(playback_buff, USB_AUDIO_PLAYBACK_BUFF_SIZE,
capture_buff, USB_AUDIO_CAPTURE_BUFF_SIZE);
dualadc_audio_app(1);
#endif
#if defined(CFG_MIC_KEY)
mic_key_open();
#endif
#ifdef BT_USB_AUDIO_DUAL_MODE
return;
#endif
// Allow sleep
hal_sysfreq_req(HAL_SYSFREQ_USER_INIT, HAL_CMU_FREQ_32K);
while (1) {
#ifdef USB_AUDIO_APP
usb_audio_app_loop();
#endif
#ifdef ANC_APP
anc_usb_app_loop();
#endif
#ifdef RTOS
// Let the task sleep
osDelay(20);
#else // !RTOS
#ifdef __PC_CMD_UART__
hal_cmd_run();
#endif
hal_sleep_enter_sleep();
#endif // !RTOS
}
}
void anc_usb_close(void) { usb_audio_app(0); }
#ifdef CFG_HW_GPADCKEY
void gpadc_key_handler(uint16_t irq_val, HAL_GPADC_MV_T volt) {
static uint16_t stable_cnt = 0;
static uint16_t click_cnt = 0;
static uint32_t click_time;
uint32_t time;
enum HAL_KEY_EVENT_T event;
bool send_event = false;
time = hal_sys_timer_get();
if (volt < 100) {
stable_cnt++;
// TRACE(5,"adc_key down: volt=%u stable=%u click_cnt=%u click_time=%u
// time=%u", volt, stable_cnt, click_cnt, click_time, time);
} else {
if (stable_cnt > 1) {
// TRACE(5,"adc_key up: volt=%u stable=%u click_cnt=%u click_time=%u
// time=%u", volt, stable_cnt, click_cnt, click_time, time);
if (click_cnt == 0 || (time - click_time) < MS_TO_TICKS(500)) {
click_time = time;
click_cnt++;
if (click_cnt >= 3) {
send_event = true;
}
} else {
send_event = true;
}
}
stable_cnt = 0;
if (click_cnt > 0 && (time - click_time) >= MS_TO_TICKS(500)) {
send_event = true;
}
if (send_event) {
// TRACE(5,"adc_key click: volt=%u stable=%u click_cnt=%u click_time=%u
// time=%u", volt, stable_cnt, click_cnt, click_time, time);
if (click_cnt == 1) {
event = HAL_KEY_EVENT_CLICK;
} else if (click_cnt == 2) {
event = HAL_KEY_EVENT_DOUBLECLICK;
} else {
event = HAL_KEY_EVENT_TRIPLECLICK;
}
key_event_process(CFG_HW_GPADCKEY, event);
click_cnt = 0;
}
}
}
#endif
// GDB can set a breakpoint on the main function only if it is
// declared as below, when linking with STD libraries.
int btusbaudio_entry(void) {
anc_usb_open();
return 0;
}
void btusbaudio_exit(void) { anc_usb_close(); }
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