audio_test_freertos & audio_4_channel_mic_freertos
This commit is contained in:
Kasper Nyhus Kaae
committed by
HiFiPhile
HiFiPhile
parent
31b559370d
commit
c917d47e71
@@ -0,0 +1,27 @@
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idf_component_register(SRCS "main.c" "usb_descriptors.c"
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INCLUDE_DIRS "."
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REQUIRES freertos soc)
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file(TO_NATIVE_PATH "${TOP}/hw/bsp/${FAMILY}/boards/${BOARD}/board.cmake" board_cmake)
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if(EXISTS ${board_cmake})
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include(${board_cmake})
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endif()
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target_include_directories(${COMPONENT_TARGET} PUBLIC
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"${TOP}/hw"
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"${TOP}/src"
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)
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target_compile_definitions(${COMPONENT_TARGET} PUBLIC
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ESP_PLATFORM
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)
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target_sources(${COMPONENT_TARGET} PUBLIC
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"${TOP}/src/tusb.c"
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"${TOP}/src/common/tusb_fifo.c"
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"${TOP}/src/device/usbd.c"
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"${TOP}/src/device/usbd_control.c"
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"${TOP}/src/class/audio/audio_device.c"
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"${TOP}/src/portable/espressif/esp32sx/dcd_esp32sx.c"
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)
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@@ -0,0 +1,191 @@
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/*
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* FreeRTOS Kernel V10.0.0
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* Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software. If you wish to use our Amazon
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* FreeRTOS name, please do so in a fair use way that does not cause confusion.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* http://www.FreeRTOS.org
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* http://aws.amazon.com/freertos
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*
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* 1 tab == 4 spaces!
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*/
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#ifndef FREERTOS_CONFIG_H
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#define FREERTOS_CONFIG_H
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/*-----------------------------------------------------------
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* Application specific definitions.
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*
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* These definitions should be adjusted for your particular hardware and
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* application requirements.
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*
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* THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
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* FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
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*
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* See http://www.freertos.org/a00110.html.
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*----------------------------------------------------------*/
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// Include MCU header
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#include "bsp/board_mcu.h"
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#if CFG_TUSB_MCU == OPT_MCU_ESP32S2 || CFG_TUSB_MCU == OPT_MCU_ESP32S3
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#error "ESP32-Sx should use IDF's FreeRTOSConfig.h"
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#endif
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// TODO fix later
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#if CFG_TUSB_MCU == OPT_MCU_MM32F327X
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extern u32 SystemCoreClock;
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#else
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extern uint32_t SystemCoreClock;
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#endif
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/* Cortex M23/M33 port configuration. */
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#define configENABLE_MPU 0
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#define configENABLE_FPU 1
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#define configENABLE_TRUSTZONE 0
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#define configMINIMAL_SECURE_STACK_SIZE ( 1024 )
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#define configUSE_PREEMPTION 1
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#define configUSE_PORT_OPTIMISED_TASK_SELECTION 0
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#define configCPU_CLOCK_HZ SystemCoreClock
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#define configTICK_RATE_HZ ( 1000 )
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#define configMAX_PRIORITIES ( 5 )
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#define configMINIMAL_STACK_SIZE ( 128 )
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#define configTOTAL_HEAP_SIZE ( 0*1024 ) // dynamic is not used
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#define configMAX_TASK_NAME_LEN 16
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#define configUSE_16_BIT_TICKS 0
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#define configIDLE_SHOULD_YIELD 1
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#define configUSE_MUTEXES 1
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#define configUSE_RECURSIVE_MUTEXES 1
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#define configUSE_COUNTING_SEMAPHORES 1
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#define configQUEUE_REGISTRY_SIZE 2
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#define configUSE_QUEUE_SETS 0
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#define configUSE_TIME_SLICING 0
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#define configUSE_NEWLIB_REENTRANT 0
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#define configENABLE_BACKWARD_COMPATIBILITY 1
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#define configSTACK_ALLOCATION_FROM_SEPARATE_HEAP 0
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#define configSUPPORT_STATIC_ALLOCATION 1
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#define configSUPPORT_DYNAMIC_ALLOCATION 0
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/* Hook function related definitions. */
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#define configUSE_IDLE_HOOK 0
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#define configUSE_TICK_HOOK 0
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#define configUSE_MALLOC_FAILED_HOOK 0 // cause nested extern warning
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#define configCHECK_FOR_STACK_OVERFLOW 2
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/* Run time and task stats gathering related definitions. */
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#define configGENERATE_RUN_TIME_STATS 0
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#define configUSE_TRACE_FACILITY 1 // legacy trace
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#define configUSE_STATS_FORMATTING_FUNCTIONS 0
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/* Co-routine definitions. */
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#define configUSE_CO_ROUTINES 0
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#define configMAX_CO_ROUTINE_PRIORITIES 2
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/* Software timer related definitions. */
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#define configUSE_TIMERS 1
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#define configTIMER_TASK_PRIORITY (configMAX_PRIORITIES-2)
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#define configTIMER_QUEUE_LENGTH 32
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#define configTIMER_TASK_STACK_DEPTH configMINIMAL_STACK_SIZE
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/* Optional functions - most linkers will remove unused functions anyway. */
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#define INCLUDE_vTaskPrioritySet 0
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#define INCLUDE_uxTaskPriorityGet 0
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#define INCLUDE_vTaskDelete 0
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#define INCLUDE_vTaskSuspend 1 // required for queue, semaphore, mutex to be blocked indefinitely with portMAX_DELAY
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#define INCLUDE_xResumeFromISR 0
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#define INCLUDE_vTaskDelayUntil 1
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#define INCLUDE_vTaskDelay 1
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#define INCLUDE_xTaskGetSchedulerState 0
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#define INCLUDE_xTaskGetCurrentTaskHandle 0
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#define INCLUDE_uxTaskGetStackHighWaterMark 0
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#define INCLUDE_xTaskGetIdleTaskHandle 0
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#define INCLUDE_xTimerGetTimerDaemonTaskHandle 0
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#define INCLUDE_pcTaskGetTaskName 0
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#define INCLUDE_eTaskGetState 0
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#define INCLUDE_xEventGroupSetBitFromISR 0
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#define INCLUDE_xTimerPendFunctionCall 0
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/* Define to trap errors during development. */
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// Halt CPU (breakpoint) when hitting error, only apply for Cortex M3, M4, M7
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#if defined(__ARM_ARCH_7M__) || defined (__ARM_ARCH_7EM__)
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#define configASSERT(_exp) \
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do {\
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if ( !(_exp) ) { \
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volatile uint32_t* ARM_CM_DHCSR = ((volatile uint32_t*) 0xE000EDF0UL); /* Cortex M CoreDebug->DHCSR */ \
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if ( (*ARM_CM_DHCSR) & 1UL ) { /* Only halt mcu if debugger is attached */ \
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taskDISABLE_INTERRUPTS(); \
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__asm("BKPT #0\n"); \
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}\
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}\
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} while(0)
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#else
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#define configASSERT( x )
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#endif
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#ifdef __RX__
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/* Renesas RX series */
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#define vSoftwareInterruptISR INT_Excep_ICU_SWINT
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#define vTickISR INT_Excep_CMT0_CMI0
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#define configPERIPHERAL_CLOCK_HZ (configCPU_CLOCK_HZ/2)
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#define configKERNEL_INTERRUPT_PRIORITY 1
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#define configMAX_SYSCALL_INTERRUPT_PRIORITY 4
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#else
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/* FreeRTOS hooks to NVIC vectors */
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#define xPortPendSVHandler PendSV_Handler
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#define xPortSysTickHandler SysTick_Handler
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#define vPortSVCHandler SVC_Handler
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//--------------------------------------------------------------------+
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// Interrupt nesting behavior configuration.
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//--------------------------------------------------------------------+
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#if defined(__NVIC_PRIO_BITS)
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// For Cortex-M specific: __NVIC_PRIO_BITS is defined in core_cmx.h
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#define configPRIO_BITS __NVIC_PRIO_BITS
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#elif defined(__ECLIC_INTCTLBITS)
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// RISC-V Bumblebee core from nuclei
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#define configPRIO_BITS __ECLIC_INTCTLBITS
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#else
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#error "FreeRTOS configPRIO_BITS to be defined"
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#endif
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/* The lowest interrupt priority that can be used in a call to a "set priority" function. */
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#define configLIBRARY_LOWEST_INTERRUPT_PRIORITY ((1<<configPRIO_BITS) - 1)
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/* The highest interrupt priority that can be used by any interrupt service
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routine that makes calls to interrupt safe FreeRTOS API functions. DO NOT CALL
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INTERRUPT SAFE FREERTOS API FUNCTIONS FROM ANY INTERRUPT THAT HAS A HIGHER
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PRIORITY THAN THIS! (higher priorities are lower numeric values. */
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#define configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY 2
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/* Interrupt priorities used by the kernel port layer itself. These are generic
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to all Cortex-M ports, and do not rely on any particular library functions. */
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#define configKERNEL_INTERRUPT_PRIORITY ( configLIBRARY_LOWEST_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) )
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/* !!!! configMAX_SYSCALL_INTERRUPT_PRIORITY must not be set to zero !!!!
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See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html. */
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#define configMAX_SYSCALL_INTERRUPT_PRIORITY ( configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) )
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#endif
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#endif /* __FREERTOS_CONFIG__H */
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488
examples/device/audio_4_channel_mic_freertos/src/main.c
Normal file
488
examples/device/audio_4_channel_mic_freertos/src/main.c
Normal file
@@ -0,0 +1,488 @@
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2020 Reinhard Panhuber
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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*/
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/* plot_audio_samples.py requires following modules:
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* $ sudo apt install libportaudio
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* $ pip3 install sounddevice matplotlib
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*
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* Then run
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* $ python3 plot_audio_samples.py
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "bsp/board.h"
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#include "tusb.h"
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// ESP-IDF need "freertos/" prefix in include path.
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// CFG_TUSB_OS_INC_PATH should be defined accordingly.
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#include "freertos/FreeRTOS.h"
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#include "freertos/semphr.h"
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#include "freertos/queue.h"
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#include "freertos/task.h"
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#include "freertos/timers.h"
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#define USBD_STACK_SIZE 4096
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//--------------------------------------------------------------------+
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// MACRO CONSTANT TYPEDEF PROTYPES
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//--------------------------------------------------------------------+
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#ifndef AUDIO_SAMPLE_RATE
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#define AUDIO_SAMPLE_RATE 48000
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#endif
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/* Blink pattern
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* - 250 ms : device not mounted
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* - 1000 ms : device mounted
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* - 2500 ms : device is suspended
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*/
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enum {
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BLINK_NOT_MOUNTED = 250,
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BLINK_MOUNTED = 1000,
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BLINK_SUSPENDED = 2500,
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};
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// static timer
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StaticTimer_t blinky_tmdef;
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TimerHandle_t blinky_tm;
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StackType_t usb_device_stack[USBD_STACK_SIZE];
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StaticTask_t usb_device_taskdef;
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// Audio controls
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// Current states
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bool mute[CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX + 1]; // +1 for master channel 0
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uint16_t volume[CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX + 1]; // +1 for master channel 0
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uint32_t sampFreq;
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uint8_t clkValid;
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// Range states
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audio_control_range_2_n_t(1) volumeRng[CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX+1]; // Volume range state
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audio_control_range_4_n_t(1) sampleFreqRng; // Sample frequency range state
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// Audio test data
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uint16_t i2s_dummy_buffer[CFG_TUD_AUDIO_EP_SZ_IN/2]; // Ensure half word aligned
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uint16_t samples[] = {0, 0, 0, 0};
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void led_blinky_cb(TimerHandle_t xTimer);
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void usb_device_task(void* param);
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void audio_task(void);
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/*------------- MAIN -------------*/
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int main(void)
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{
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board_init();
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// soft timer for blinky
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blinky_tm = xTimerCreateStatic(NULL, pdMS_TO_TICKS(BLINK_NOT_MOUNTED), true, NULL, led_blinky_cb, &blinky_tmdef);
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xTimerStart(blinky_tm, 0);
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// Init values
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sampFreq = AUDIO_SAMPLE_RATE;
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clkValid = 1;
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sampleFreqRng.wNumSubRanges = 1;
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sampleFreqRng.subrange[0].bMin = AUDIO_SAMPLE_RATE;
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sampleFreqRng.subrange[0].bMax = AUDIO_SAMPLE_RATE;
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sampleFreqRng.subrange[0].bRes = 0;
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// Create a task for tinyusb device stack
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(void) xTaskCreateStatic( usb_device_task, "usbd", USBD_STACK_SIZE, NULL, configMAX_PRIORITIES-1, usb_device_stack, &usb_device_taskdef);
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// skip starting scheduler (and return) for ESP32-S2 or ESP32-S3
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#if !TU_CHECK_MCU(OPT_MCU_ESP32S2, OPT_MCU_ESP32S3)
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vTaskStartScheduler();
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#endif
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return 0;
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}
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#if TU_CHECK_MCU(OPT_MCU_ESP32S2, OPT_MCU_ESP32S3)
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void app_main(void)
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{
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main();
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}
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#endif
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// USB Device Driver task
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// This top level thread process all usb events and invoke callbacks
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void usb_device_task(void* param)
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{
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(void) param;
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// This should be called after scheduler/kernel is started.
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// Otherwise it could cause kernel issue since USB IRQ handler does use RTOS queue API.
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tusb_init();
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// RTOS forever loop
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while (1)
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{
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// tinyusb device task
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tud_task();
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}
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}
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//--------------------------------------------------------------------+
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// Device callbacks
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//--------------------------------------------------------------------+
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// Invoked when device is mounted
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void tud_mount_cb(void)
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{
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xTimerChangePeriod(blinky_tm, pdMS_TO_TICKS(BLINK_MOUNTED), 0);
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}
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// Invoked when device is unmounted
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void tud_umount_cb(void)
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{
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xTimerChangePeriod(blinky_tm, pdMS_TO_TICKS(BLINK_NOT_MOUNTED), 0);
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}
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// Invoked when usb bus is suspended
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// remote_wakeup_en : if host allow us to perform remote wakeup
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// Within 7ms, device must draw an average of current less than 2.5 mA from bus
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void tud_suspend_cb(bool remote_wakeup_en)
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{
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(void) remote_wakeup_en;
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xTimerChangePeriod(blinky_tm, pdMS_TO_TICKS(BLINK_SUSPENDED), 0);
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}
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// Invoked when usb bus is resumed
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void tud_resume_cb(void)
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{
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xTimerChangePeriod(blinky_tm, pdMS_TO_TICKS(BLINK_MOUNTED), 0);
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}
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//--------------------------------------------------------------------+
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// AUDIO Task
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//--------------------------------------------------------------------+
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void audio_task(void)
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{
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// Yet to be filled - e.g. put meas data into TX FIFOs etc.
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// asm("nop");
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}
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//--------------------------------------------------------------------+
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// Application Callback API Implementations
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//--------------------------------------------------------------------+
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// Invoked when audio class specific set request received for an EP
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bool tud_audio_set_req_ep_cb(uint8_t rhport, tusb_control_request_t const * p_request, uint8_t *pBuff)
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{
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(void) rhport;
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(void) pBuff;
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// We do not support any set range requests here, only current value requests
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TU_VERIFY(p_request->bRequest == AUDIO_CS_REQ_CUR);
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// Page 91 in UAC2 specification
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uint8_t channelNum = TU_U16_LOW(p_request->wValue);
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uint8_t ctrlSel = TU_U16_HIGH(p_request->wValue);
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uint8_t ep = TU_U16_LOW(p_request->wIndex);
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(void) channelNum; (void) ctrlSel; (void) ep;
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return false; // Yet not implemented
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}
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// Invoked when audio class specific set request received for an interface
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bool tud_audio_set_req_itf_cb(uint8_t rhport, tusb_control_request_t const * p_request, uint8_t *pBuff)
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{
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(void) rhport;
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(void) pBuff;
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||||
|
||||
// We do not support any set range requests here, only current value requests
|
||||
TU_VERIFY(p_request->bRequest == AUDIO_CS_REQ_CUR);
|
||||
|
||||
// Page 91 in UAC2 specification
|
||||
uint8_t channelNum = TU_U16_LOW(p_request->wValue);
|
||||
uint8_t ctrlSel = TU_U16_HIGH(p_request->wValue);
|
||||
uint8_t itf = TU_U16_LOW(p_request->wIndex);
|
||||
|
||||
(void) channelNum; (void) ctrlSel; (void) itf;
|
||||
|
||||
return false; // Yet not implemented
|
||||
}
|
||||
|
||||
// Invoked when audio class specific set request received for an entity
|
||||
bool tud_audio_set_req_entity_cb(uint8_t rhport, tusb_control_request_t const * p_request, uint8_t *pBuff)
|
||||
{
|
||||
(void) rhport;
|
||||
|
||||
// Page 91 in UAC2 specification
|
||||
uint8_t channelNum = TU_U16_LOW(p_request->wValue);
|
||||
uint8_t ctrlSel = TU_U16_HIGH(p_request->wValue);
|
||||
uint8_t itf = TU_U16_LOW(p_request->wIndex);
|
||||
uint8_t entityID = TU_U16_HIGH(p_request->wIndex);
|
||||
|
||||
(void) itf;
|
||||
|
||||
// We do not support any set range requests here, only current value requests
|
||||
TU_VERIFY(p_request->bRequest == AUDIO_CS_REQ_CUR);
|
||||
|
||||
// If request is for our feature unit
|
||||
if ( entityID == 2 )
|
||||
{
|
||||
switch ( ctrlSel )
|
||||
{
|
||||
case AUDIO_FU_CTRL_MUTE:
|
||||
// Request uses format layout 1
|
||||
TU_VERIFY(p_request->wLength == sizeof(audio_control_cur_1_t));
|
||||
|
||||
mute[channelNum] = ((audio_control_cur_1_t*) pBuff)->bCur;
|
||||
|
||||
TU_LOG2(" Set Mute: %d of channel: %u\r\n", mute[channelNum], channelNum);
|
||||
return true;
|
||||
|
||||
case AUDIO_FU_CTRL_VOLUME:
|
||||
// Request uses format layout 2
|
||||
TU_VERIFY(p_request->wLength == sizeof(audio_control_cur_2_t));
|
||||
|
||||
volume[channelNum] = ((audio_control_cur_2_t*) pBuff)->bCur;
|
||||
|
||||
TU_LOG2(" Set Volume: %d dB of channel: %u\r\n", volume[channelNum], channelNum);
|
||||
return true;
|
||||
|
||||
// Unknown/Unsupported control
|
||||
default:
|
||||
TU_BREAKPOINT();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
return false; // Yet not implemented
|
||||
}
|
||||
|
||||
// Invoked when audio class specific get request received for an EP
|
||||
bool tud_audio_get_req_ep_cb(uint8_t rhport, tusb_control_request_t const * p_request)
|
||||
{
|
||||
(void) rhport;
|
||||
|
||||
// Page 91 in UAC2 specification
|
||||
uint8_t channelNum = TU_U16_LOW(p_request->wValue);
|
||||
uint8_t ctrlSel = TU_U16_HIGH(p_request->wValue);
|
||||
uint8_t ep = TU_U16_LOW(p_request->wIndex);
|
||||
|
||||
(void) channelNum; (void) ctrlSel; (void) ep;
|
||||
|
||||
// return tud_control_xfer(rhport, p_request, &tmp, 1);
|
||||
|
||||
return false; // Yet not implemented
|
||||
}
|
||||
|
||||
// Invoked when audio class specific get request received for an interface
|
||||
bool tud_audio_get_req_itf_cb(uint8_t rhport, tusb_control_request_t const * p_request)
|
||||
{
|
||||
(void) rhport;
|
||||
|
||||
// Page 91 in UAC2 specification
|
||||
uint8_t channelNum = TU_U16_LOW(p_request->wValue);
|
||||
uint8_t ctrlSel = TU_U16_HIGH(p_request->wValue);
|
||||
uint8_t itf = TU_U16_LOW(p_request->wIndex);
|
||||
|
||||
(void) channelNum; (void) ctrlSel; (void) itf;
|
||||
|
||||
return false; // Yet not implemented
|
||||
}
|
||||
|
||||
// Invoked when audio class specific get request received for an entity
|
||||
bool tud_audio_get_req_entity_cb(uint8_t rhport, tusb_control_request_t const * p_request)
|
||||
{
|
||||
(void) rhport;
|
||||
|
||||
// Page 91 in UAC2 specification
|
||||
uint8_t channelNum = TU_U16_LOW(p_request->wValue);
|
||||
uint8_t ctrlSel = TU_U16_HIGH(p_request->wValue);
|
||||
// uint8_t itf = TU_U16_LOW(p_request->wIndex); // Since we have only one audio function implemented, we do not need the itf value
|
||||
uint8_t entityID = TU_U16_HIGH(p_request->wIndex);
|
||||
|
||||
// Input terminal (Microphone input)
|
||||
if (entityID == 1)
|
||||
{
|
||||
switch ( ctrlSel )
|
||||
{
|
||||
case AUDIO_TE_CTRL_CONNECTOR:
|
||||
{
|
||||
// The terminal connector control only has a get request with only the CUR attribute.
|
||||
audio_desc_channel_cluster_t ret;
|
||||
|
||||
// Those are dummy values for now
|
||||
ret.bNrChannels = 1;
|
||||
ret.bmChannelConfig = 0;
|
||||
ret.iChannelNames = 0;
|
||||
|
||||
TU_LOG2(" Get terminal connector\r\n");
|
||||
|
||||
return tud_audio_buffer_and_schedule_control_xfer(rhport, p_request, (void*) &ret, sizeof(ret));
|
||||
}
|
||||
break;
|
||||
|
||||
// Unknown/Unsupported control selector
|
||||
default:
|
||||
TU_BREAKPOINT();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
// Feature unit
|
||||
if (entityID == 2)
|
||||
{
|
||||
switch ( ctrlSel )
|
||||
{
|
||||
case AUDIO_FU_CTRL_MUTE:
|
||||
// Audio control mute cur parameter block consists of only one byte - we thus can send it right away
|
||||
// There does not exist a range parameter block for mute
|
||||
TU_LOG2(" Get Mute of channel: %u\r\n", channelNum);
|
||||
return tud_control_xfer(rhport, p_request, &mute[channelNum], 1);
|
||||
|
||||
case AUDIO_FU_CTRL_VOLUME:
|
||||
switch ( p_request->bRequest )
|
||||
{
|
||||
case AUDIO_CS_REQ_CUR:
|
||||
TU_LOG2(" Get Volume of channel: %u\r\n", channelNum);
|
||||
return tud_control_xfer(rhport, p_request, &volume[channelNum], sizeof(volume[channelNum]));
|
||||
|
||||
case AUDIO_CS_REQ_RANGE:
|
||||
TU_LOG2(" Get Volume range of channel: %u\r\n", channelNum);
|
||||
|
||||
// Copy values - only for testing - better is version below
|
||||
audio_control_range_2_n_t(1)
|
||||
ret;
|
||||
|
||||
ret.wNumSubRanges = 1;
|
||||
ret.subrange[0].bMin = -90; // -90 dB
|
||||
ret.subrange[0].bMax = 90; // +90 dB
|
||||
ret.subrange[0].bRes = 1; // 1 dB steps
|
||||
|
||||
return tud_audio_buffer_and_schedule_control_xfer(rhport, p_request, (void*) &ret, sizeof(ret));
|
||||
|
||||
// Unknown/Unsupported control
|
||||
default:
|
||||
TU_BREAKPOINT();
|
||||
return false;
|
||||
}
|
||||
break;
|
||||
|
||||
// Unknown/Unsupported control
|
||||
default:
|
||||
TU_BREAKPOINT();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
// Clock Source unit
|
||||
if ( entityID == 4 )
|
||||
{
|
||||
switch ( ctrlSel )
|
||||
{
|
||||
case AUDIO_CS_CTRL_SAM_FREQ:
|
||||
// channelNum is always zero in this case
|
||||
switch ( p_request->bRequest )
|
||||
{
|
||||
case AUDIO_CS_REQ_CUR:
|
||||
TU_LOG2(" Get Sample Freq.\r\n");
|
||||
return tud_control_xfer(rhport, p_request, &sampFreq, sizeof(sampFreq));
|
||||
|
||||
case AUDIO_CS_REQ_RANGE:
|
||||
TU_LOG2(" Get Sample Freq. range\r\n");
|
||||
return tud_control_xfer(rhport, p_request, &sampleFreqRng, sizeof(sampleFreqRng));
|
||||
|
||||
// Unknown/Unsupported control
|
||||
default:
|
||||
TU_BREAKPOINT();
|
||||
return false;
|
||||
}
|
||||
break;
|
||||
|
||||
case AUDIO_CS_CTRL_CLK_VALID:
|
||||
// Only cur attribute exists for this request
|
||||
TU_LOG2(" Get Sample Freq. valid\r\n");
|
||||
return tud_control_xfer(rhport, p_request, &clkValid, sizeof(clkValid));
|
||||
|
||||
// Unknown/Unsupported control
|
||||
default:
|
||||
TU_BREAKPOINT();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
TU_LOG2(" Unsupported entity: %d\r\n", entityID);
|
||||
return false; // Yet not implemented
|
||||
}
|
||||
|
||||
bool tud_audio_tx_done_pre_load_cb(uint8_t rhport, uint8_t itf, uint8_t ep_in, uint8_t cur_alt_setting)
|
||||
{
|
||||
(void) rhport;
|
||||
(void) itf;
|
||||
(void) ep_in;
|
||||
(void) cur_alt_setting;
|
||||
|
||||
tud_audio_write((uint8_t*)i2s_dummy_buffer, CFG_TUD_AUDIO_EP_SZ_IN);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool tud_audio_tx_done_post_load_cb(uint8_t rhport, uint16_t n_bytes_copied, uint8_t itf, uint8_t ep_in, uint8_t cur_alt_setting)
|
||||
{
|
||||
(void) rhport;
|
||||
(void) n_bytes_copied;
|
||||
(void) itf;
|
||||
(void) ep_in;
|
||||
(void) cur_alt_setting;
|
||||
|
||||
uint16_t* p_buff = i2s_dummy_buffer;
|
||||
for (int samples_num = 0; samples_num < AUDIO_SAMPLE_RATE/1000; samples_num++) {
|
||||
for (int ch=0; ch < CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX; ch++) {
|
||||
*p_buff++ = samples[ch];
|
||||
samples[ch] = samples[ch]+(ch+1);
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool tud_audio_set_itf_close_EP_cb(uint8_t rhport, tusb_control_request_t const * p_request)
|
||||
{
|
||||
(void) rhport;
|
||||
(void) p_request;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
///--------------------------------------------------------------------+
|
||||
// BLINKING TASK
|
||||
//--------------------------------------------------------------------+
|
||||
void led_blinky_cb(TimerHandle_t xTimer)
|
||||
{
|
||||
(void) xTimer;
|
||||
static bool led_state = false;
|
||||
|
||||
board_led_write(led_state);
|
||||
led_state = 1 - led_state; // toggle
|
||||
}
|
||||
@@ -0,0 +1,34 @@
|
||||
import sounddevice as sd
|
||||
import matplotlib.pyplot as plt
|
||||
import numpy as np
|
||||
import platform
|
||||
|
||||
if __name__ == '__main__':
|
||||
|
||||
# If you got "ValueError: No input device matching", that is because your PC name example device
|
||||
# differently from tested list below. Uncomment the next line to see full list and try to pick correct one
|
||||
# print(sd.query_devices())
|
||||
|
||||
fs = 48000 # Sample rate
|
||||
duration = 100e-3 # Duration of recording
|
||||
|
||||
if platform.system() == 'Windows':
|
||||
# WDM-KS is needed since there are more than one MicNode device APIs (at least in Windows)
|
||||
device = 'Microphone (MicNode_4_Ch), Windows WDM-KS'
|
||||
elif platform.system() == 'Darwin':
|
||||
device = 'MicNode_4_Ch'
|
||||
else:
|
||||
device ='default'
|
||||
|
||||
myrecording = sd.rec(int(duration * fs), samplerate=fs, channels=4, dtype='int16', device=device)
|
||||
print('Waiting...')
|
||||
sd.wait() # Wait until recording is finished
|
||||
print('Done!')
|
||||
|
||||
time = np.arange(0, duration, 1 / fs) # time vector
|
||||
plt.plot(time, myrecording)
|
||||
plt.xlabel('Time [s]')
|
||||
plt.ylabel('Amplitude')
|
||||
plt.title('MicNode 4 Channel')
|
||||
plt.show()
|
||||
|
||||
128
examples/device/audio_4_channel_mic_freertos/src/tusb_config.h
Normal file
128
examples/device/audio_4_channel_mic_freertos/src/tusb_config.h
Normal file
@@ -0,0 +1,128 @@
|
||||
/*
|
||||
* The MIT License (MIT)
|
||||
*
|
||||
* Copyright (c) 2019 Ha Thach (tinyusb.org)
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef _TUSB_CONFIG_H_
|
||||
#define _TUSB_CONFIG_H_
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
//--------------------------------------------------------------------
|
||||
// COMMON CONFIGURATION
|
||||
//--------------------------------------------------------------------
|
||||
|
||||
// defined by compiler flags for flexibility
|
||||
#ifndef CFG_TUSB_MCU
|
||||
#error CFG_TUSB_MCU must be defined
|
||||
#endif
|
||||
|
||||
// RHPort number used for device can be defined by board.mk, default to port 0
|
||||
#ifndef BOARD_DEVICE_RHPORT_NUM
|
||||
#define BOARD_DEVICE_RHPORT_NUM 0
|
||||
#endif
|
||||
|
||||
#ifndef BOARD_DEVICE_RHPORT_SPEED
|
||||
#define BOARD_DEVICE_RHPORT_SPEED OPT_MODE_FULL_SPEED
|
||||
#endif
|
||||
|
||||
#define CFG_TUSB_RHPORT0_MODE OPT_MODE_DEVICE
|
||||
|
||||
#ifndef CFG_TUSB_OS
|
||||
#define CFG_TUSB_OS OPT_OS_FREERTOS
|
||||
#endif
|
||||
|
||||
// Espressif IDF requires "freertos/" prefix in include path
|
||||
#if TU_CHECK_MCU(OPT_MCU_ESP32S2, OPT_MCU_ESP32S3)
|
||||
#define CFG_TUSB_OS_INC_PATH freertos/
|
||||
#endif
|
||||
|
||||
#ifndef CFG_TUSB_DEBUG
|
||||
#define CFG_TUSB_DEBUG 0
|
||||
#endif
|
||||
|
||||
// CFG_TUSB_DEBUG is defined by compiler in DEBUG build
|
||||
// #define CFG_TUSB_DEBUG 0
|
||||
|
||||
/* USB DMA on some MCUs can only access a specific SRAM region with restriction on alignment.
|
||||
* Tinyusb use follows macros to declare transferring memory so that they can be put
|
||||
* into those specific section.
|
||||
* e.g
|
||||
* - CFG_TUSB_MEM SECTION : __attribute__ (( section(".usb_ram") ))
|
||||
* - CFG_TUSB_MEM_ALIGN : __attribute__ ((aligned(4)))
|
||||
*/
|
||||
#ifndef CFG_TUSB_MEM_SECTION
|
||||
#define CFG_TUSB_MEM_SECTION
|
||||
#endif
|
||||
|
||||
#ifndef CFG_TUSB_MEM_ALIGN
|
||||
#define CFG_TUSB_MEM_ALIGN __attribute__ ((aligned(4)))
|
||||
#endif
|
||||
|
||||
//--------------------------------------------------------------------
|
||||
// DEVICE CONFIGURATION
|
||||
//--------------------------------------------------------------------
|
||||
|
||||
#ifndef CFG_TUD_ENDPOINT0_SIZE
|
||||
#define CFG_TUD_ENDPOINT0_SIZE 64
|
||||
#endif
|
||||
|
||||
//------------- CLASS -------------//
|
||||
#define CFG_TUD_CDC 0
|
||||
#define CFG_TUD_MSC 0
|
||||
#define CFG_TUD_HID 0
|
||||
#define CFG_TUD_MIDI 0
|
||||
#define CFG_TUD_AUDIO 1
|
||||
#define CFG_TUD_VENDOR 0
|
||||
|
||||
//--------------------------------------------------------------------
|
||||
// AUDIO CLASS DRIVER CONFIGURATION
|
||||
//--------------------------------------------------------------------
|
||||
|
||||
// Have a look into audio_device.h for all configurations
|
||||
|
||||
#define CFG_TUD_AUDIO_FUNC_1_DESC_LEN TUD_AUDIO_MIC_FOUR_CH_DESC_LEN
|
||||
|
||||
#define CFG_TUD_AUDIO_FUNC_1_N_AS_INT 1
|
||||
#define CFG_TUD_AUDIO_FUNC_1_CTRL_BUF_SZ 64
|
||||
|
||||
#define CFG_TUD_AUDIO_ENABLE_EP_IN 1
|
||||
#define CFG_TUD_AUDIO_FUNC_1_N_BYTES_PER_SAMPLE_TX 2 // This value is not required by the driver, it parses this information from the descriptor once the alternate interface is set by the host - we use it for the setup
|
||||
#define CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX 4 // This value is not required by the driver, it parses this information from the descriptor once the alternate interface is set by the host - we use it for the setup
|
||||
#define CFG_TUD_AUDIO_EP_SZ_IN 48 * CFG_TUD_AUDIO_FUNC_1_N_BYTES_PER_SAMPLE_TX * CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX // 48 Samples (48 kHz) x 2 Bytes/Sample x CFG_TUD_AUDIO_N_CHANNELS_TX Channels - the Windows driver always needs an extra sample per channel of space more, otherwise it complains... found by trial and error
|
||||
#define CFG_TUD_AUDIO_FUNC_1_EP_IN_SZ_MAX CFG_TUD_AUDIO_EP_SZ_IN
|
||||
#define CFG_TUD_AUDIO_FUNC_1_EP_IN_SW_BUF_SZ CFG_TUD_AUDIO_EP_SZ_IN
|
||||
|
||||
#define CFG_TUD_AUDIO_ENABLE_ENCODING 0
|
||||
#define CFG_TUD_AUDIO_ENABLE_TYPE_I_ENCODING 0
|
||||
#define CFG_TUD_AUDIO_FUNC_1_CHANNEL_PER_FIFO_TX 2 // One I2S stream contains two channels, each stream is saved within one support FIFO - this value is currently fixed, the driver does not support a changing value
|
||||
#define CFG_TUD_AUDIO_FUNC_1_N_TX_SUPP_SW_FIFO (CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX / CFG_TUD_AUDIO_FUNC_1_CHANNEL_PER_FIFO_TX)
|
||||
#define CFG_TUD_AUDIO_FUNC_1_TX_SUPP_SW_FIFO_SZ (CFG_TUD_AUDIO_EP_SZ_IN / CFG_TUD_AUDIO_FUNC_1_N_TX_SUPP_SW_FIFO)
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _TUSB_CONFIG_H_ */
|
||||
@@ -0,0 +1,165 @@
|
||||
/*
|
||||
* The MIT License (MIT)
|
||||
*
|
||||
* Copyright (c) 2019 Ha Thach (tinyusb.org)
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*
|
||||
*/
|
||||
|
||||
#include "tusb.h"
|
||||
|
||||
/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
|
||||
* Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
|
||||
*
|
||||
* Auto ProductID layout's Bitmap:
|
||||
* [MSB] AUDIO | MIDI | HID | MSC | CDC [LSB]
|
||||
*/
|
||||
#define _PID_MAP(itf, n) ( (CFG_TUD_##itf) << (n) )
|
||||
#define USB_PID (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
|
||||
_PID_MAP(MIDI, 3) | _PID_MAP(AUDIO, 4) | _PID_MAP(VENDOR, 5) )
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
// Device Descriptors
|
||||
//--------------------------------------------------------------------+
|
||||
tusb_desc_device_t const desc_device =
|
||||
{
|
||||
.bLength = sizeof(tusb_desc_device_t),
|
||||
.bDescriptorType = TUSB_DESC_DEVICE,
|
||||
.bcdUSB = 0x0200,
|
||||
|
||||
// Use Interface Association Descriptor (IAD) for CDC
|
||||
// As required by USB Specs IAD's subclass must be common class (2) and protocol must be IAD (1)
|
||||
.bDeviceClass = TUSB_CLASS_MISC,
|
||||
.bDeviceSubClass = MISC_SUBCLASS_COMMON,
|
||||
.bDeviceProtocol = MISC_PROTOCOL_IAD,
|
||||
.bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE,
|
||||
|
||||
.idVendor = 0xCafe,
|
||||
.idProduct = USB_PID,
|
||||
.bcdDevice = 0x0100,
|
||||
|
||||
.iManufacturer = 0x01,
|
||||
.iProduct = 0x02,
|
||||
.iSerialNumber = 0x03,
|
||||
|
||||
.bNumConfigurations = 0x01
|
||||
};
|
||||
|
||||
// Invoked when received GET DEVICE DESCRIPTOR
|
||||
// Application return pointer to descriptor
|
||||
uint8_t const * tud_descriptor_device_cb(void)
|
||||
{
|
||||
return (uint8_t const *) &desc_device;
|
||||
}
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
// Configuration Descriptor
|
||||
//--------------------------------------------------------------------+
|
||||
enum
|
||||
{
|
||||
ITF_NUM_AUDIO_CONTROL = 0,
|
||||
ITF_NUM_AUDIO_STREAMING,
|
||||
ITF_NUM_TOTAL
|
||||
};
|
||||
|
||||
#define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + CFG_TUD_AUDIO * TUD_AUDIO_MIC_FOUR_CH_DESC_LEN)
|
||||
|
||||
#if TU_CHECK_MCU(OPT_MCU_LPC175X_6X, OPT_MCU_LPC177X_8X, OPT_MCU_LPC40XX)
|
||||
// LPC 17xx and 40xx endpoint type (bulk/interrupt/iso) are fixed by its number
|
||||
// 0 control, 1 In, 2 Bulk, 3 Iso, 4 In etc ...
|
||||
#define EPNUM_AUDIO 0x03
|
||||
|
||||
#elif TU_CHECK_MCU(OPT_MCU_NRF5X)
|
||||
// nRF5x ISO can only be endpoint 8
|
||||
#define EPNUM_AUDIO 0x08
|
||||
|
||||
#else
|
||||
#define EPNUM_AUDIO 0x01
|
||||
#endif
|
||||
|
||||
uint8_t const desc_configuration[] =
|
||||
{
|
||||
// Interface count, string index, total length, attribute, power in mA
|
||||
TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100),
|
||||
|
||||
// Interface number, string index, EP Out & EP In address, EP size
|
||||
TUD_AUDIO_MIC_FOUR_CH_DESCRIPTOR(/*_itfnum*/ ITF_NUM_AUDIO_CONTROL, /*_stridx*/ 0, /*_nBytesPerSample*/ CFG_TUD_AUDIO_FUNC_1_N_BYTES_PER_SAMPLE_TX, /*_nBitsUsedPerSample*/ CFG_TUD_AUDIO_FUNC_1_N_BYTES_PER_SAMPLE_TX*8, /*_epin*/ 0x80 | EPNUM_AUDIO, /*_epsize*/ CFG_TUD_AUDIO_EP_SZ_IN)
|
||||
};
|
||||
|
||||
// Invoked when received GET CONFIGURATION DESCRIPTOR
|
||||
// Application return pointer to descriptor
|
||||
// Descriptor contents must exist long enough for transfer to complete
|
||||
uint8_t const * tud_descriptor_configuration_cb(uint8_t index)
|
||||
{
|
||||
(void) index; // for multiple configurations
|
||||
return desc_configuration;
|
||||
}
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
// String Descriptors
|
||||
//--------------------------------------------------------------------+
|
||||
|
||||
// array of pointer to string descriptors
|
||||
char const* string_desc_arr [] =
|
||||
{
|
||||
(const char[]) { 0x09, 0x04 }, // 0: is supported language is English (0x0409)
|
||||
"PaniRCorp", // 1: Manufacturer
|
||||
"MicNode_4_Ch", // 2: Product
|
||||
"123458", // 3: Serials, should use chip ID
|
||||
"UAC2", // 4: Audio Interface
|
||||
};
|
||||
|
||||
static uint16_t _desc_str[32];
|
||||
|
||||
// Invoked when received GET STRING DESCRIPTOR request
|
||||
// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
|
||||
uint16_t const* tud_descriptor_string_cb(uint8_t index, uint16_t langid)
|
||||
{
|
||||
(void) langid;
|
||||
|
||||
uint8_t chr_count;
|
||||
|
||||
if ( index == 0)
|
||||
{
|
||||
memcpy(&_desc_str[1], string_desc_arr[0], 2);
|
||||
chr_count = 1;
|
||||
}else
|
||||
{
|
||||
// Convert ASCII string into UTF-16
|
||||
|
||||
if ( !(index < sizeof(string_desc_arr)/sizeof(string_desc_arr[0])) ) return NULL;
|
||||
|
||||
const char* str = string_desc_arr[index];
|
||||
|
||||
// Cap at max char
|
||||
chr_count = strlen(str);
|
||||
if ( chr_count > 31 ) chr_count = 31;
|
||||
|
||||
for(uint8_t i=0; i<chr_count; i++)
|
||||
{
|
||||
_desc_str[1+i] = str[i];
|
||||
}
|
||||
}
|
||||
|
||||
// first byte is length (including header), second byte is string type
|
||||
_desc_str[0] = (TUSB_DESC_STRING << 8 ) | (2*chr_count + 2);
|
||||
|
||||
return _desc_str;
|
||||
}
|
||||
Reference in New Issue
Block a user