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PICO: Adding tinyUSB library

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This commit is contained in:
blckmn 2025-01-12 07:56:01 +11:00
parent 1774693395
commit 0109f50909
1507 changed files with 299535 additions and 0 deletions
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149
lib/main/tinyUSB/hw/bsp/tm4c/FreeRTOSConfig/FreeRTOSConfig.h Normal file
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/*
* FreeRTOS Kernel V10.0.0
* Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* 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. If you wish to use our Amazon
* FreeRTOS name, please do so in a fair use way that does not cause confusion.
*
* 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.
*
* http://www.FreeRTOS.org
* http://aws.amazon.com/freertos
*
* 1 tab == 4 spaces!
*/
#ifndef FREERTOS_CONFIG_H
#define FREERTOS_CONFIG_H
/*-----------------------------------------------------------
* Application specific definitions.
*
* These definitions should be adjusted for your particular hardware and
* application requirements.
*
* THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
* FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
*
* See http://www.freertos.org/a00110.html.
*----------------------------------------------------------*/
// skip if included from IAR assembler
#ifndef __IASMARM__
#include "TM4C123.h"
#endif
/* Cortex M23/M33 port configuration. */
#define configENABLE_MPU 0
#define configENABLE_FPU 1
#define configENABLE_TRUSTZONE 0
#define configMINIMAL_SECURE_STACK_SIZE (1024)
#define configUSE_PREEMPTION 1
#define configUSE_PORT_OPTIMISED_TASK_SELECTION 0
#define configCPU_CLOCK_HZ SystemCoreClock
#define configTICK_RATE_HZ ( 1000 )
#define configMAX_PRIORITIES ( 5 )
#define configMINIMAL_STACK_SIZE ( 128 )
#define configTOTAL_HEAP_SIZE ( configSUPPORT_DYNAMIC_ALLOCATION*4*1024 )
#define configMAX_TASK_NAME_LEN 16
#define configUSE_16_BIT_TICKS 0
#define configIDLE_SHOULD_YIELD 1
#define configUSE_MUTEXES 1
#define configUSE_RECURSIVE_MUTEXES 1
#define configUSE_COUNTING_SEMAPHORES 1
#define configQUEUE_REGISTRY_SIZE 4
#define configUSE_QUEUE_SETS 0
#define configUSE_TIME_SLICING 0
#define configUSE_NEWLIB_REENTRANT 0
#define configENABLE_BACKWARD_COMPATIBILITY 1
#define configSTACK_ALLOCATION_FROM_SEPARATE_HEAP 0
#define configSUPPORT_STATIC_ALLOCATION 1
#define configSUPPORT_DYNAMIC_ALLOCATION 0
/* Hook function related definitions. */
#define configUSE_IDLE_HOOK 0
#define configUSE_TICK_HOOK 0
#define configUSE_MALLOC_FAILED_HOOK 0 // cause nested extern warning
#define configCHECK_FOR_STACK_OVERFLOW 2
#define configCHECK_HANDLER_INSTALLATION 0
/* Run time and task stats gathering related definitions. */
#define configGENERATE_RUN_TIME_STATS 0
#define configRECORD_STACK_HIGH_ADDRESS 1
#define configUSE_TRACE_FACILITY 1 // legacy trace
#define configUSE_STATS_FORMATTING_FUNCTIONS 0
/* Co-routine definitions. */
#define configUSE_CO_ROUTINES 0
#define configMAX_CO_ROUTINE_PRIORITIES 2
/* Software timer related definitions. */
#define configUSE_TIMERS 1
#define configTIMER_TASK_PRIORITY (configMAX_PRIORITIES-2)
#define configTIMER_QUEUE_LENGTH 32
#define configTIMER_TASK_STACK_DEPTH configMINIMAL_STACK_SIZE
/* Optional functions - most linkers will remove unused functions anyway. */
#define INCLUDE_vTaskPrioritySet 0
#define INCLUDE_uxTaskPriorityGet 0
#define INCLUDE_vTaskDelete 0
#define INCLUDE_vTaskSuspend 1 // required for queue, semaphore, mutex to be blocked indefinitely with portMAX_DELAY
#define INCLUDE_xResumeFromISR 0
#define INCLUDE_vTaskDelayUntil 1
#define INCLUDE_vTaskDelay 1
#define INCLUDE_xTaskGetSchedulerState 0
#define INCLUDE_xTaskGetCurrentTaskHandle 1
#define INCLUDE_uxTaskGetStackHighWaterMark 0
#define INCLUDE_xTaskGetIdleTaskHandle 0
#define INCLUDE_xTimerGetTimerDaemonTaskHandle 0
#define INCLUDE_pcTaskGetTaskName 0
#define INCLUDE_eTaskGetState 0
#define INCLUDE_xEventGroupSetBitFromISR 0
#define INCLUDE_xTimerPendFunctionCall 0
/* FreeRTOS hooks to NVIC vectors */
#define xPortPendSVHandler PendSV_Handler
#define xPortSysTickHandler SysTick_Handler
#define vPortSVCHandler SVC_Handler
//--------------------------------------------------------------------+
// Interrupt nesting behavior configuration.
//--------------------------------------------------------------------+
// For Cortex-M specific: __NVIC_PRIO_BITS is defined in mcu header
#define configPRIO_BITS 3
/* The lowest interrupt priority that can be used in a call to a "set priority" function. */
#define configLIBRARY_LOWEST_INTERRUPT_PRIORITY ((1<<configPRIO_BITS) - 1)
/* The highest interrupt priority that can be used by any interrupt service
routine that makes calls to interrupt safe FreeRTOS API functions. DO NOT CALL
INTERRUPT SAFE FREERTOS API FUNCTIONS FROM ANY INTERRUPT THAT HAS A HIGHER
PRIORITY THAN THIS! (higher priorities are lower numeric values. */
#define configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY 2
/* Interrupt priorities used by the kernel port layer itself. These are generic
to all Cortex-M ports, and do not rely on any particular library functions. */
#define configKERNEL_INTERRUPT_PRIORITY ( configLIBRARY_LOWEST_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) )
/* !!!! configMAX_SYSCALL_INTERRUPT_PRIORITY must not be set to zero !!!!
See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html. */
#define configMAX_SYSCALL_INTERRUPT_PRIORITY ( configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) )
#endif

13
lib/main/tinyUSB/hw/bsp/tm4c/boards/ek_tm4c123gxl/board.cmake Normal file
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set(MCU_SUB_VARIANT 123)
set(JLINK_DEVICE TM4C123GH6PM)
set(LD_FILE_GNU ${CMAKE_CURRENT_LIST_DIR}/tm4c123.ld)
set(OPENOCD_OPTION "-f board/ti_ek-tm4c123gxl.cfg")
set(UNIFLASH_OPTION "-c ${CMAKE_CURRENT_LIST_DIR}/${BOARD}.ccxml -r 1")
function(update_board TARGET)
target_compile_definitions(${TARGET} PUBLIC
TM4C123GH6PM
)
endfunction()

52
lib/main/tinyUSB/hw/bsp/tm4c/boards/ek_tm4c123gxl/board.h Normal file
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/*
* The MIT License (MIT)
*
* Copyright (c) 2021, 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.
*
* This file is part of the TinyUSB stack.
*/
#ifndef _BOARD_H_
#define _BOARD_H_
#ifdef __cplusplus
extern "C" {
#endif
#define BOARD_UART UART0
#define BOARD_UART_PORT GPIOA
#define BOARD_BTN_PORT GPIOF
#define BOARD_BTN 4
#define BOARD_BTN_Msk (1u<<4)
#define BUTTON_STATE_ACTIVE 0
#define LED_PORT GPIOF
#define LED_PIN_RED 1
#define LED_PIN_BLUE 2
#define LED_PIN_GREEN 3
#define LED_STATE_ON 1
#ifdef __cplusplus
}
#endif
#endif

15
lib/main/tinyUSB/hw/bsp/tm4c/boards/ek_tm4c123gxl/board.mk Normal file
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MCU_SUB_VARIANT = 123
CFLAGS += -DTM4C123GH6PM
LD_FILE = $(BOARD_PATH)/tm4c123.ld
# For flash-jlink target
JLINK_DEVICE = TM4C123GH6PM
# flash using openocd
OPENOCD_OPTION = -f board/ti_ek-tm4c123gxl.cfg
UNIFLASH_OPTION = -c ${TOP}/${BOARD_PATH}/${BOARD}.ccxml -r 1
flash: flash-openocd

17
lib/main/tinyUSB/hw/bsp/tm4c/boards/ek_tm4c123gxl/ek_tm4c123gxl.ccxml Normal file
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<configurations XML_version="1.2" id="configurations_0">
<configuration XML_version="1.2" id="configuration_0">
<instance XML_version="1.2" desc="Stellaris In-Circuit Debug Interface" href="connections/Stellaris_ICDI_Connection.xml" id="Stellaris In-Circuit Debug Interface" xml="Stellaris_ICDI_Connection.xml" xmlpath="connections"/>
<connection XML_version="1.2" id="Stellaris In-Circuit Debug Interface">
<instance XML_version="1.2" href="drivers/stellaris_cs_dap.xml" id="drivers" xml="stellaris_cs_dap.xml" xmlpath="drivers"/>
<instance XML_version="1.2" href="drivers/stellaris_cortex_m4.xml" id="drivers" xml="stellaris_cortex_m4.xml" xmlpath="drivers"/>
<platform XML_version="1.2" id="platform_0">
<instance XML_version="1.2" desc="Tiva TM4C123GH6PM" href="devices/tm4c123gh6pm.xml" id="Tiva TM4C123GH6PM" xml="tm4c123gh6pm.xml" xmlpath="devices"/>
</platform>
</connection>
</configuration>
</configurations>

66
lib/main/tinyUSB/hw/bsp/tm4c/boards/ek_tm4c123gxl/tm4c123.ld Normal file
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ENTRY(Reset_Handler)
_estack = 0x20008000; /* end of RAM */
/* Generate a link error if heap and stack don't fit into RAM */
_Min_Heap_Size = 0; /* required amount of heap */
_Min_Stack_Size = 0x1000; /* required amount of stack */
MEMORY
{
FLASH(rx) : ORIGIN = 0x00000000, LENGTH = 256K
SRAM(rwx) : ORIGIN = 0x20000000, LENGTH = 32K
}
SECTIONS
{
.text :
{
. = ALIGN(4) ;
*(.vectors)
*(.text)
*(.text.*)
*(.init)
*(.fini)
*(.rodata)
*(.rodata.*)
*(.ARM.exidx*)
. = ALIGN(4) ;
__end_text = . ;
} >FLASH
.data : AT(ADDR(.text) + SIZEOF(.text))
{
. = ALIGN(4);
__start_data = . ;
__la_data = LOADADDR(.data);
*(.data)
*(.data.*)
. = ALIGN(4);
__end_data = . ;
} >SRAM
.bss :
{
. = ALIGN(4) ;
__start_bss = . ;
__bss_start__ = __start_bss;
*(.bss)
*(.bss.*)
*(.COMMON)
__end_bss = . ;
. = ALIGN(4);
}>SRAM
/* User_heap_stack section, used to check that there is enough RAM left */
._user_heap_stack :
{
. = ALIGN(8);
PROVIDE ( end = . );
PROVIDE ( _end = . );
. = . + _Min_Heap_Size;
. = . + _Min_Stack_Size;
. = ALIGN(8);
} >SRAM
}

166
lib/main/tinyUSB/hw/bsp/tm4c/family.c Normal file
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#include "TM4C123.h"
#include "bsp/board_api.h"
#include "board.h"
//--------------------------------------------------------------------+
// Forward USB interrupt events to TinyUSB IRQ Handler
//--------------------------------------------------------------------+
void USB0_Handler(void) {
#if CFG_TUH_ENABLED
tuh_int_handler(0, true);
#endif
#if CFG_TUD_ENABLED
tud_int_handler(0);
#endif
}
//--------------------------------------------------------------------+
// MACRO TYPEDEF CONSTANT ENUM
//--------------------------------------------------------------------+
static void board_uart_init(void) {
SYSCTL->RCGCUART |= (1 << 0); // Enable the clock to UART0
SYSCTL->RCGCGPIO |= (1 << 0); // Enable the clock to GPIOA
GPIOA->AFSEL |= (1 << 1) | (1 << 0); // Enable the alternate function on pin PA0 & PA1
GPIOA->PCTL |= (1 << 0) | (1 << 4); // Configure the GPIOPCTL register to select UART0 in PA0 and PA1
GPIOA->DEN |= (1 << 0) | (1 << 1); // Enable the digital functionality in PA0 and PA1
// BAUDRATE = 115200, with SystemCoreClock = 50 Mhz refer manual for calculation
// - BRDI = SystemCoreClock / (16* baud)
// - BRDF = int(fraction*64 + 0.5)
UART0->CTL &= ~(1 << 0); // Disable UART0 by clearing UARTEN bit in the UARTCTL register
UART0->IBRD = 27; // Write the integer portion of the BRD to the UARTIRD register
UART0->FBRD = 8; // Write the fractional portion of the BRD to the UARTFBRD registerer
UART0->LCRH = (0x3 << 5); // 8-bit, no parity, 1 stop bit
UART0->CC = 0x0; // Configure the UART clock source as system clock
UART0->CTL = (1 << 0) | (1 << 8) | (1 << 9); // UART0 Enable, Transmit Enable, Receive Enable
}
static void initialize_board_led(GPIOA_Type* port, uint8_t PinMsk, uint8_t dirmsk) {
/* Enable PortF Clock */
SYSCTL->RCGCGPIO |= (1 << 5);
/* Let the clock stabilize */
while (!((SYSCTL->PRGPIO) & (1 << 5))) {}
/* Port Digital Enable */
port->DEN |= PinMsk;
/* Set direction */
port->DIR = dirmsk;
}
static void WriteGPIOPin(GPIOA_Type* port, uint8_t PinMsk, bool state) {
if (state) {
port->DATA |= PinMsk;
} else {
port->DATA &= ~(PinMsk);
}
}
static uint32_t ReadGPIOPin(GPIOA_Type* port, uint8_t pinMsk) {
return (port->DATA & pinMsk);
}
void board_init(void) {
SystemCoreClockUpdate();
#if CFG_TUSB_OS == OPT_OS_NONE
// 1ms tick timer
SysTick_Config(SystemCoreClock / 1000);
#elif CFG_TUSB_OS == OPT_OS_FREERTOS
// If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
NVIC_SetPriority(USB0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
#endif
/* Reset USB */
SYSCTL->SRCR2 |= (1u << 16);
for (volatile uint8_t i = 0; i < 20; i++) {}
SYSCTL->SRCR2 &= ~(1u << 16);
/* Open the USB clock gate */
SYSCTL->RCGCUSB |= (1 << 0);
/* Power-up USB PLL */
SYSCTL->RCC2 &= ~(1u << 14);
/* USB IO Initialization */
SYSCTL->RCGCGPIO |= (1u << 3);
/* Let the clock stabilize */
while (!(SYSCTL->PRGPIO & (1u << 3))) {}
/* USB IOs to Analog Mode */
GPIOD->AFSEL &= ~((1u << 4) | (1u << 5));
GPIOD->DEN &= ~((1u << 4) | (1u << 5));
GPIOD->AMSEL |= ((1u << 4) | (1u << 5));
uint8_t leds = (1 << LED_PIN_RED) | (1 << LED_PIN_BLUE) | (1 << LED_PIN_GREEN);
uint8_t dirmsk = (1 << LED_PIN_RED) | (1 << LED_PIN_BLUE) | (1 << LED_PIN_GREEN);
/* Configure GPIO for board LED */
initialize_board_led(LED_PORT, leds, dirmsk);
/* Configure GPIO for board switch */
GPIOF->DIR &= ~(1 << BOARD_BTN);
GPIOF->PUR |= (1 << BOARD_BTN);
GPIOF->DEN |= (1 << BOARD_BTN);
/* Initialize board UART */
board_uart_init();
TU_LOG1_INT(SystemCoreClock);
}
void board_led_write(bool state) {
WriteGPIOPin(LED_PORT, (1 << LED_PIN_BLUE), state);
}
uint32_t board_button_read(void) {
uint32_t gpio_value = ReadGPIOPin(BOARD_BTN_PORT, BOARD_BTN_Msk);
return BUTTON_STATE_ACTIVE ? gpio_value : !gpio_value;
}
size_t board_get_unique_id(uint8_t id[], size_t max_len) {
(void) max_len;
uint8_t const len = 8;
// Note: DID0, DID1 are variant ID, they aer used since TM4C123 does not have unique ID
memcpy(id, (void*)(uintptr_t) &SYSCTL->DID0, len);
return len;
}
int board_uart_write(void const* buf, int len) {
uint8_t const* data = buf;
for (int i = 0; i < len; i++) {
while ((UART0->FR & (1 << 5)) != 0) {} // Poll until previous data was shofted out
UART0->DR = data[i]; // Write UART0 DATA REGISTER
}
return len;
}
int board_uart_read(uint8_t* buf, int len) {
(void) buf;
(void) len;
return 0;
}
#if CFG_TUSB_OS == OPT_OS_NONE
volatile uint32_t system_ticks = 0;
void SysTick_Handler(void) {
system_ticks++;
}
uint32_t board_millis(void) {
return system_ticks;
}
#endif

96
lib/main/tinyUSB/hw/bsp/tm4c/family.cmake Normal file
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include_guard()
include(${CMAKE_CURRENT_LIST_DIR}/boards/${BOARD}/board.cmake)
set(MCU_VARIANT tm4c${MCU_SUB_VARIANT})
set(MCU_VARIANT_UPPER TM4C${MCU_SUB_VARIANT})
set(SDK_DIR ${TOP}/hw/mcu/ti/${MCU_VARIANT}xx)
set(CMSIS_DIR ${TOP}/lib/CMSIS_5)
# toolchain set up
set(CMAKE_SYSTEM_PROCESSOR cortex-m4 CACHE INTERNAL "System Processor")
set(CMAKE_TOOLCHAIN_FILE ${TOP}/examples/build_system/cmake/toolchain/arm_${TOOLCHAIN}.cmake)
set(FAMILY_MCUS TM4C123 CACHE INTERNAL "")
#------------------------------------
# BOARD_TARGET
#------------------------------------
# only need to be built ONCE for all examples
function(add_board_target BOARD_TARGET)
if (TARGET ${BOARD_TARGET})
return()
endif()
set(LD_FILE_Clang ${LD_FILE_GNU})
set(STARTUP_FILE_GNU ${SDK_DIR}/Source/GCC/${MCU_VARIANT}_startup.c)
set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
add_library(${BOARD_TARGET} STATIC
${SDK_DIR}/Source/system_${MCU_VARIANT_UPPER}.c
${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
)
target_include_directories(${BOARD_TARGET} PUBLIC
${SDK_DIR}/Include/${MCU_VARIANT_UPPER}
${CMSIS_DIR}/CMSIS/Core/Include
)
update_board(${BOARD_TARGET})
if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
target_link_options(${BOARD_TARGET} PUBLIC
"LINKER:--script=${LD_FILE_GNU}"
--specs=nosys.specs --specs=nano.specs
-uvectors
)
elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
message(FATAL_ERROR "Clang is not supported for MSP432E4")
elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
target_link_options(${BOARD_TARGET} PUBLIC
"LINKER:--config=${LD_FILE_IAR}"
)
endif ()
endfunction()
#------------------------------------
# Functions
#------------------------------------
function(family_configure_example TARGET RTOS)
family_configure_common(${TARGET} ${RTOS})
# Board target
add_board_target(board_${BOARD})
#---------- Port Specific ----------
# These files are built for each example since it depends on example's tusb_config.h
target_sources(${TARGET} PUBLIC
# BSP
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/family.c
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/../board.c
)
target_include_directories(${TARGET} PUBLIC
# family, hw, board
${CMAKE_CURRENT_FUNCTION_LIST_DIR}
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/../../
${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}
)
# Add TinyUSB target and port source
family_add_tinyusb(${TARGET} OPT_MCU_TM4C123 ${RTOS})
target_sources(${TARGET}-tinyusb PUBLIC
${TOP}/src/portable/mentor/musb/dcd_musb.c
${TOP}/src/portable/mentor/musb/hcd_musb.c
)
target_link_libraries(${TARGET}-tinyusb PUBLIC board_${BOARD})
# Link dependencies
target_link_libraries(${TARGET} PUBLIC board_${BOARD} ${TARGET}-tinyusb)
# Flashing
family_add_bin_hex(${TARGET})
family_flash_openocd(${TARGET})
family_flash_uniflash(${TARGET})
endfunction()

28
lib/main/tinyUSB/hw/bsp/tm4c/family.mk Normal file
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include $(TOP)/$(BOARD_PATH)/board.mk
CPU_CORE ?= cortex-m4
MCU_VARIANT = tm4c${MCU_SUB_VARIANT}
MCU_VARIANT_UPPER = TM4C${MCU_SUB_VARIANT}
SDK_DIR = hw/mcu/ti/${MCU_VARIANT}xx
CFLAGS += \
-flto \
-DCFG_TUSB_MCU=OPT_MCU_TM4C123 \
-uvectors \
# mcu driver cause following warnings
CFLAGS += -Wno-error=strict-prototypes -Wno-error=cast-qual
LDFLAGS_GCC += --specs=nosys.specs --specs=nano.specs
INC += \
$(TOP)/lib/CMSIS_5/CMSIS/Core/Include \
$(TOP)/$(SDK_DIR)/Include/${MCU_VARIANT_UPPER} \
$(TOP)/$(BOARD_PATH)
SRC_C += \
src/portable/mentor/musb/dcd_musb.c \
src/portable/mentor/musb/hcd_musb.c \
$(SDK_DIR)/Source/system_${MCU_VARIANT_UPPER}.c \
$(SDK_DIR)/Source/GCC/${MCU_VARIANT}_startup.c