diff --git a/docs/boards.md b/docs/boards.md index da8deb72..e703d249 100644 --- a/docs/boards.md +++ b/docs/boards.md @@ -86,6 +86,7 @@ This code base already had supported for a handful of following boards (sorted a - [LPCXpresso 54114](https://www.nxp.com/design/microcontrollers-developer-resources/lpcxpresso-boards/lpcxpresso54114-board:OM13089) - [LPCXpresso 55s69 EVK](https://www.nxp.com/products/processors-and-microcontrollers/arm-microcontrollers/general-purpose-mcus/lpc5500-cortex-m33/lpcxpresso55s69-development-board:LPC55S69-EVK) - [NGX LPC4330-Xplorer](https://www.nxp.com/design/designs/lpc4330-xplorer-board:OM13027) +- [Double M33 Express](https://www.crowdsupply.com/steiert-solutions/double-m33-express) ### Sony diff --git a/hw/bsp/double_m33_express/LPC55S69_cm33_core0_uf2.ld b/hw/bsp/double_m33_express/LPC55S69_cm33_core0_uf2.ld new file mode 100644 index 00000000..6b5d852a --- /dev/null +++ b/hw/bsp/double_m33_express/LPC55S69_cm33_core0_uf2.ld @@ -0,0 +1,234 @@ +/* +** ################################################################### +** Processors: LPC55S69JBD100_cm33_core0 +** LPC55S69JBD64_cm33_core0 +** LPC55S69JEV98_cm33_core0 +** +** Compiler: GNU C Compiler +** Reference manual: LPC55S6x/LPC55S2x/LPC552x User manual(UM11126) Rev.1.3 16 May 2019 +** Version: rev. 1.1, 2019-05-16 +** Build: b191008 +** +** Abstract: +** Linker file for the GNU C Compiler +** +** Copyright 2016 Freescale Semiconductor, Inc. +** Copyright 2016-2019 NXP +** All rights reserved. +** +** SPDX-License-Identifier: BSD-3-Clause +** +** http: www.nxp.com +** mail: support@nxp.com +** +** ################################################################### +*/ + + + +/* Entry Point */ +ENTRY(Reset_Handler) + +HEAP_SIZE = DEFINED(__heap_size__) ? __heap_size__ : 0x0400; +STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x0800; +RPMSG_SHMEM_SIZE = DEFINED(__use_shmem__) ? 0x1800 : 0; + +/* Specify the memory areas */ +MEMORY +{ + m_interrupts (RX) : ORIGIN = 0x00010000, LENGTH = 0x00000200 + m_text (RX) : ORIGIN = 0x00010200, LENGTH = 0x0007FE00 + m_core1_image (RX) : ORIGIN = 0x00090000, LENGTH = 0x00008000 + m_data (RW) : ORIGIN = 0x20000000, LENGTH = 0x00033000 - RPMSG_SHMEM_SIZE + rpmsg_sh_mem (RW) : ORIGIN = 0x20033000 - RPMSG_SHMEM_SIZE, LENGTH = RPMSG_SHMEM_SIZE + m_usb_sram (RW) : ORIGIN = 0x40100000, LENGTH = 0x00004000 +} + +/* Define output sections */ +SECTIONS +{ + /* section for storing the secondary core image */ + .m0code : + { + . = ALIGN(4) ; + KEEP (*(.m0code)) + *(.m0code*) + . = ALIGN(4) ; + } > m_core1_image + + /* NOINIT section for rpmsg_sh_mem */ + .noinit_rpmsg_sh_mem (NOLOAD) : ALIGN(4) + { + __RPMSG_SH_MEM_START__ = .; + *(.noinit.$rpmsg_sh_mem*) + . = ALIGN(4) ; + __RPMSG_SH_MEM_END__ = .; + } > rpmsg_sh_mem + + /* The startup code goes first into internal flash */ + .interrupts : + { + . = ALIGN(4); + KEEP(*(.isr_vector)) /* Startup code */ + . = ALIGN(4); + } > m_interrupts + + /* The program code and other data goes into internal flash */ + .text : + { + . = ALIGN(4); + *(.text) /* .text sections (code) */ + *(.text*) /* .text* sections (code) */ + *(.rodata) /* .rodata sections (constants, strings, etc.) */ + *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ + *(.glue_7) /* glue arm to thumb code */ + *(.glue_7t) /* glue thumb to arm code */ + *(.eh_frame) + KEEP (*(.init)) + KEEP (*(.fini)) + . = ALIGN(4); + } > m_text + + .ARM.extab : + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + } > m_text + + .ARM : + { + __exidx_start = .; + *(.ARM.exidx*) + __exidx_end = .; + } > m_text + + .ctors : + { + __CTOR_LIST__ = .; + /* gcc uses crtbegin.o to find the start of + the constructors, so we make sure it is + first. Because this is a wildcard, it + doesn't matter if the user does not + actually link against crtbegin.o; the + linker won't look for a file to match a + wildcard. The wildcard also means that it + doesn't matter which directory crtbegin.o + is in. */ + KEEP (*crtbegin.o(.ctors)) + KEEP (*crtbegin?.o(.ctors)) + /* We don't want to include the .ctor section from + from the crtend.o file until after the sorted ctors. + The .ctor section from the crtend file contains the + end of ctors marker and it must be last */ + KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*(.ctors)) + __CTOR_END__ = .; + } > m_text + + .dtors : + { + __DTOR_LIST__ = .; + KEEP (*crtbegin.o(.dtors)) + KEEP (*crtbegin?.o(.dtors)) + KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*(.dtors)) + __DTOR_END__ = .; + } > m_text + + .preinit_array : + { + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP (*(.preinit_array*)) + PROVIDE_HIDDEN (__preinit_array_end = .); + } > m_text + + .init_array : + { + PROVIDE_HIDDEN (__init_array_start = .); + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array*)) + PROVIDE_HIDDEN (__init_array_end = .); + } > m_text + + .fini_array : + { + PROVIDE_HIDDEN (__fini_array_start = .); + KEEP (*(SORT(.fini_array.*))) + KEEP (*(.fini_array*)) + PROVIDE_HIDDEN (__fini_array_end = .); + } > m_text + + __etext = .; /* define a global symbol at end of code */ + __DATA_ROM = .; /* Symbol is used by startup for data initialization */ + + .data : AT(__DATA_ROM) + { + . = ALIGN(4); + __DATA_RAM = .; + __data_start__ = .; /* create a global symbol at data start */ + *(.ramfunc*) /* for functions in ram */ + *(.data) /* .data sections */ + *(.data*) /* .data* sections */ + KEEP(*(.jcr*)) + . = ALIGN(4); + __data_end__ = .; /* define a global symbol at data end */ + } > m_data + + __DATA_END = __DATA_ROM + (__data_end__ - __data_start__); + text_end = ORIGIN(m_text) + LENGTH(m_text); + ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data") + + /* Uninitialized data section */ + .bss : + { + /* This is used by the startup in order to initialize the .bss section */ + . = ALIGN(4); + __START_BSS = .; + __bss_start__ = .; + *(.bss) + *(.bss*) + *(COMMON) + . = ALIGN(4); + __bss_end__ = .; + __END_BSS = .; + } > m_data + + .heap : + { + . = ALIGN(8); + __end__ = .; + PROVIDE(end = .); + __HeapBase = .; + . += HEAP_SIZE; + __HeapLimit = .; + __heap_limit = .; /* Add for _sbrk */ + } > m_data + + .stack : + { + . = ALIGN(8); + . += STACK_SIZE; + } > m_data + + m_usb_bdt (NOLOAD) : + { + . = ALIGN(512); + *(m_usb_bdt) + } > m_usb_sram + + m_usb_global (NOLOAD) : + { + *(m_usb_global) + } > m_usb_sram + + /* Initializes stack on the end of block */ + __StackTop = ORIGIN(m_data) + LENGTH(m_data); + __StackLimit = __StackTop - STACK_SIZE; + PROVIDE(__stack = __StackTop); + + .ARM.attributes 0 : { *(.ARM.attributes) } + + ASSERT(__StackLimit >= __HeapLimit, "region m_data overflowed with stack and heap") +} + diff --git a/hw/bsp/double_m33_express/board.mk b/hw/bsp/double_m33_express/board.mk new file mode 100644 index 00000000..df42ad4c --- /dev/null +++ b/hw/bsp/double_m33_express/board.mk @@ -0,0 +1,51 @@ +CFLAGS += \ + -flto \ + -mthumb \ + -mabi=aapcs \ + -mcpu=cortex-m33 \ + -mfloat-abi=hard \ + -mfpu=fpv5-sp-d16 \ + -DCPU_LPC55S69JBD100_cm33_core0 \ + -DCFG_TUSB_MCU=OPT_MCU_LPC55XX \ + -DCFG_TUSB_MEM_SECTION='__attribute__((section(".data")))' \ + -DCFG_TUSB_MEM_ALIGN='__attribute__((aligned(64)))' + +# mcu driver cause following warnings +CFLAGS += -Wno-error=unused-parameter -Wno-error=float-equal + +MCU_DIR = hw/mcu/nxp/sdk/devices/LPC55S69 + +# All source paths should be relative to the top level. +LD_FILE = hw/bsp/$(BOARD)/LPC55S69_cm33_core0_uf2.ld + +SRC_C += \ + $(MCU_DIR)/system_LPC55S69_cm33_core0.c \ + $(MCU_DIR)/drivers/fsl_clock.c \ + $(MCU_DIR)/drivers/fsl_gpio.c \ + $(MCU_DIR)/drivers/fsl_power.c \ + $(MCU_DIR)/drivers/fsl_reset.c \ + $(MCU_DIR)/drivers/fsl_usart.c \ + $(MCU_DIR)/drivers/fsl_flexcomm.c + +INC += \ + $(TOP)/$(MCU_DIR)/../../CMSIS/Include \ + $(TOP)/$(MCU_DIR) \ + $(TOP)/$(MCU_DIR)/drivers + +SRC_S += $(MCU_DIR)/gcc/startup_LPC55S69_cm33_core0.S + +LIBS += $(TOP)/$(MCU_DIR)/gcc/libpower_hardabi.a + +# For TinyUSB port source +VENDOR = nxp +CHIP_FAMILY = lpc_ip3511 + +# For freeRTOS port source +FREERTOS_PORT = ARM_CM33_NTZ/non_secure + +# For flash-jlink target +JLINK_DEVICE = LPC55S69 + +# flash using pyocd +flash: $(BUILD)/$(BOARD)-firmware.hex + pyocd flash -t LPC55S69 $< diff --git a/hw/bsp/double_m33_express/double_m33_express.c b/hw/bsp/double_m33_express/double_m33_express.c new file mode 100644 index 00000000..187313a4 --- /dev/null +++ b/hw/bsp/double_m33_express/double_m33_express.c @@ -0,0 +1,400 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2018, hathach (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. + */ + +#include "../board.h" +#include "fsl_device_registers.h" +#include "fsl_gpio.h" +#include "fsl_power.h" +#include "fsl_iocon.h" +#include "fsl_sctimer.h" + +//--------------------------------------------------------------------+ +// Forward USB interrupt events to TinyUSB IRQ Handler +//--------------------------------------------------------------------+ +void USB0_IRQHandler(void) +{ + tud_int_handler(0); +} + +void USB1_IRQHandler(void) +{ + tud_int_handler(1); +} + +//--------------------------------------------------------------------+ +// MACRO TYPEDEF CONSTANT ENUM +//--------------------------------------------------------------------+ +#define LED_PORT 0 +#define LED_PIN 1 +#define LED_STATE_ON 1 + +// WAKE button +#define BUTTON_PORT 0 +#define BUTTON_PIN 5 +#define BUTTON_STATE_ACTIVE 0 + +// Number of neopixels +#define NEOPIXEL_NUMBER 2 +#define NEOPIXEL_PORT 0 +#define NEOPIXEL_PIN 27 + +// UART +#define UART_DEV USART0 + +// IOCON pin mux +#define IOCON_PIO_DIGITAL_EN 0x0100u /*!<@brief Enables digital function */ +#define IOCON_PIO_FUNC0 0x00u /*!<@brief Selects pin function 0 */ +#define IOCON_PIO_FUNC1 0x01u /*!<@brief Selects pin function 1 */ +#define IOCON_PIO_FUNC4 0x04u /*!<@brief Selects pin function 4 */ +#define IOCON_PIO_FUNC7 0x07u /*!<@brief Selects pin function 7 */ +#define IOCON_PIO_INV_DI 0x00u /*!<@brief Input function is not inverted */ +#define IOCON_PIO_MODE_INACT 0x00u /*!<@brief No addition pin function */ +#define IOCON_PIO_OPENDRAIN_DI 0x00u /*!<@brief Open drain is disabled */ +#define IOCON_PIO_SLEW_STANDARD 0x00u /*!<@brief Standard mode, output slew rate control is enabled */ + +#define IOCON_PIO_DIG_FUNC0_EN (IOCON_PIO_DIGITAL_EN | IOCON_PIO_FUNC0) /*!<@brief Digital pin function 0 enabled */ +#define IOCON_PIO_DIG_FUNC1_EN (IOCON_PIO_DIGITAL_EN | IOCON_PIO_FUNC1) /*!<@brief Digital pin function 1 enabled */ +#define IOCON_PIO_DIG_FUNC4_EN (IOCON_PIO_DIGITAL_EN | IOCON_PIO_FUNC4) /*!<@brief Digital pin function 2 enabled */ +#define IOCON_PIO_DIG_FUNC7_EN (IOCON_PIO_DIGITAL_EN | IOCON_PIO_FUNC7) /*!<@brief Digital pin function 2 enabled */ + +//--------------------------------------------------------------------+ +// Neopixel Driver +//--------------------------------------------------------------------+ +#define NEO_SCT SCT0 +#define NEO_MATCH_PERIOD 0 +#define NEO_MATCH_0 1 +#define NEO_MATCH_1 2 +#define NEO_EVENT_RISE 2 +#define NEO_EVENT_FALL_0 0 +#define NEO_EVENT_FALL_1 1 +#define NEO_EVENT_NEXT 3 +#define NEO_EVENT_START 4 +#define NEO_SCT_OUTPUT 6 +#define NEO_STATE_IDLE 24 +//#define NEO_ARRAY_SIZE (3 * NEOPIXEL_NUMBER) + +//volatile uint32_t _neopixel_array[NEO_ARRAY_SIZE] = {0x10, 0x20, 0x30, 0x40, 0x50, 0x60}; +volatile uint32_t _neopixel_array[NEOPIXEL_NUMBER] = {0x404040, 0x202020}; +volatile uint32_t _neopixel_count = 0; + +void neopixel_int_handler(void){ + uint32_t eventFlag = NEO_SCT->EVFLAG; + if (eventFlag & (1 << NEO_EVENT_NEXT)) { + _neopixel_count += 1; + if (_neopixel_count < (NEOPIXEL_NUMBER)) { + NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFFFFFF & (~_neopixel_array[_neopixel_count]); + NEO_SCT->CTRL &= ~(SCT_CTRL_HALT_L_MASK); + } + } + NEO_SCT->EVFLAG = eventFlag; +} + +void SCT0_DriverIRQHandler(void){ + neopixel_int_handler(); + SDK_ISR_EXIT_BARRIER; +} + +void neopixel_set(uint32_t pixel, uint32_t color){ + if (pixel < NEOPIXEL_NUMBER) { + _neopixel_array[pixel] = color; + } +} + +void neopixel_update(void){ +// while (NEO_SCT->CTRL & SCT_CTRL_HALT_L_MASK); + _neopixel_count = 0; + NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFFFFFF & (~_neopixel_array[0]); + NEO_SCT->CTRL &= ~(SCT_CTRL_HALT_L_MASK); +} + + +/* +void neopixel_int_handler(void){ + uint32_t eventFlag = NEO_SCT->EVFLAG; +// if ((eventFlag & (1 << NEO_EVENT_NEXT)) && (_neopixel_count < (NEO_ARRAY_SIZE))) { +// NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFF & (~_neopixel_array[_neopixel_count]); + if ((eventFlag & (1 << NEO_EVENT_NEXT)) && (_neopixel_count < (NEOPIXEL_NUMBER))) { + _neopixel_count += 1; + NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFFFFFF & (~_neopixel_array[_neopixel_count]); + NEO_SCT->EVFLAG = eventFlag; + NEO_SCT->CTRL &= ~(SCT_CTRL_HALT_L_MASK); + } else { + NEO_SCT->EVFLAG = eventFlag; + } +} + +void SCT0_DriverIRQHandler(void){ + neopixel_int_handler(); + SDK_ISR_EXIT_BARRIER; +} + +void neopixel_update(uint32_t pixel, uint32_t color){ + if (pixel < NEOPIXEL_NUMBER) { + _neopixel_array[pixel] = color; + _neopixel_count = 0; +// NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFF & (~_neopixel_array[0]); + NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFFFFFF & (~_neopixel_array[0]); + NEO_SCT->CTRL &= ~(SCT_CTRL_HALT_L_MASK); + } +} +*/ +void neopixel_init(void) { + CLOCK_EnableClock(kCLOCK_Sct0); + RESET_PeripheralReset(kSCT0_RST_SHIFT_RSTn); + + NEO_SCT->CONFIG = ( + SCT_CONFIG_UNIFY(1) | + SCT_CONFIG_CLKMODE(kSCTIMER_System_ClockMode) | + SCT_CONFIG_NORELOAD_L(1) ); + NEO_SCT->CTRL = ( + SCT_CTRL_HALT_L(1) | + SCT_CTRL_CLRCTR_L(1) ); + + NEO_SCT->MATCH[NEO_MATCH_PERIOD] = 120; + NEO_SCT->MATCH[NEO_MATCH_0] = 30; + NEO_SCT->MATCH[NEO_MATCH_1] = 60; + NEO_SCT->EV[NEO_EVENT_START].STATE = (1 << NEO_STATE_IDLE); + NEO_SCT->EV[NEO_EVENT_START].CTRL = ( + kSCTIMER_OutputLowEvent | SCT_EV_CTRL_IOSEL(NEO_SCT_OUTPUT) | + SCT_EV_CTRL_STATELD(1) | SCT_EV_CTRL_STATEV(23)); +// NEO_SCT->EV[NEO_EVENT_RISE].STATE = 0xFE; + NEO_SCT->EV[NEO_EVENT_RISE].STATE = 0xFFFFFE; + NEO_SCT->EV[NEO_EVENT_RISE].CTRL = ( + kSCTIMER_MatchEventOnly | SCT_EV_CTRL_MATCHSEL(NEO_MATCH_PERIOD) | + SCT_EV_CTRL_STATELD(0) | SCT_EV_CTRL_STATEV(31)); + NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0x0; + NEO_SCT->EV[NEO_EVENT_FALL_0].CTRL = ( + kSCTIMER_MatchEventOnly | SCT_EV_CTRL_MATCHSEL(NEO_MATCH_0) | + SCT_EV_CTRL_STATELD(0) ); +// NEO_SCT->EV[NEO_EVENT_FALL_1].STATE = 0xFF; + NEO_SCT->EV[NEO_EVENT_FALL_1].STATE = 0xFFFFFF; + NEO_SCT->EV[NEO_EVENT_FALL_1].CTRL = ( + kSCTIMER_MatchEventOnly | SCT_EV_CTRL_MATCHSEL(NEO_MATCH_1) | + SCT_EV_CTRL_STATELD(0) ); + NEO_SCT->EV[NEO_EVENT_NEXT].STATE = 0x1; + NEO_SCT->EV[NEO_EVENT_NEXT].CTRL = ( + kSCTIMER_MatchEventOnly | SCT_EV_CTRL_MATCHSEL(NEO_MATCH_PERIOD) | + SCT_EV_CTRL_STATELD(1) | SCT_EV_CTRL_STATEV(NEO_STATE_IDLE)); + + NEO_SCT->LIMIT = (1 << NEO_EVENT_START) | (1 << NEO_EVENT_RISE) | (1 << NEO_EVENT_NEXT); + NEO_SCT->HALT = (1 << NEO_EVENT_NEXT); + NEO_SCT->START = (1 << NEO_EVENT_START); + + NEO_SCT->OUT[NEO_SCT_OUTPUT].SET = (1 << NEO_EVENT_START) | (1 << NEO_EVENT_RISE); + NEO_SCT->OUT[NEO_SCT_OUTPUT].CLR = (1 << NEO_EVENT_FALL_0) | (1 << NEO_EVENT_FALL_1) | (1 << NEO_EVENT_NEXT); + + NEO_SCT->STATE = NEO_STATE_IDLE; + NEO_SCT->OUTPUT = 0x0; + NEO_SCT->RES = SCT_RES_O6RES(0x2); + NEO_SCT->EVEN = (1 << NEO_EVENT_NEXT); + EnableIRQ(SCT0_IRQn); + + neopixel_set(0, 0x101000); + neopixel_set(1, 0x101000); + neopixel_update(); +} + + +/**************************************************************** +name: BOARD_BootClockFROHF96M +outputs: +- {id: SYSTICK_clock.outFreq, value: 96 MHz} +- {id: System_clock.outFreq, value: 96 MHz} +settings: +- {id: SYSCON.MAINCLKSELA.sel, value: SYSCON.fro_hf} +sources: +- {id: SYSCON.fro_hf.outFreq, value: 96 MHz} +******************************************************************/ +void BootClockFROHF96M(void) +{ + /*!< Set up the clock sources */ + /*!< Set up FRO */ + POWER_DisablePD(kPDRUNCFG_PD_FRO192M); /*!< Ensure FRO is on */ + CLOCK_SetupFROClocking(12000000U); /*!< Set up FRO to the 12 MHz, just for sure */ + CLOCK_AttachClk(kFRO12M_to_MAIN_CLK); /*!< Switch to FRO 12MHz first to ensure we can change voltage without + accidentally being below the voltage for current speed */ + + CLOCK_SetupFROClocking(96000000U); /*!< Set up high frequency FRO output to selected frequency */ + + POWER_SetVoltageForFreq(96000000U); /*!< Set voltage for the one of the fastest clock outputs: System clock output */ + CLOCK_SetFLASHAccessCyclesForFreq(96000000U); /*!< Set FLASH wait states for core */ + + /*!< Set up dividers */ + CLOCK_SetClkDiv(kCLOCK_DivAhbClk, 1U, false); /*!< Set AHBCLKDIV divider to value 1 */ + + /*!< Set up clock selectors - Attach clocks to the peripheries */ + CLOCK_AttachClk(kFRO_HF_to_MAIN_CLK); /*!< Switch MAIN_CLK to FRO_HF */ + + /*!< Set SystemCoreClock variable. */ + SystemCoreClock = 96000000U; +} + +void board_init(void) +{ + // Enable IOCON clock + CLOCK_EnableClock(kCLOCK_Iocon); + + // Init 96 MHz clock + BootClockFROHF96M(); + +#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 + + GPIO_PortInit(GPIO, 0); + GPIO_PortInit(GPIO, 1); + + // LED + /* PORT0 PIN1 configured as PIO0_1 */ + IOCON_PinMuxSet(IOCON, 0U, 1U, IOCON_PIO_DIG_FUNC0_EN); + + gpio_pin_config_t const led_config = { kGPIO_DigitalOutput, 1}; + GPIO_PinInit(GPIO, LED_PORT, LED_PIN, &led_config); + + // Neopixel + /* PORT0 PIN27 configured as SCT0_OUT6 */ + IOCON_PinMuxSet(IOCON, NEOPIXEL_PORT, NEOPIXEL_PIN, IOCON_PIO_DIG_FUNC4_EN); + + neopixel_init(); + + // Button + /* PORT0 PIN5 configured as PIO0_5 */ + IOCON_PinMuxSet(IOCON, BUTTON_PORT, BUTTON_PIN, IOCON_PIO_DIG_FUNC0_EN); + + gpio_pin_config_t const button_config = { kGPIO_DigitalInput, 0}; + GPIO_PinInit(GPIO, BUTTON_PORT, BUTTON_PIN, &button_config); + + // UART + /* PORT0 PIN29 (coords: 92) is configured as FC0_RXD_SDA_MOSI_DATA */ + IOCON_PinMuxSet(IOCON, 0U, 29U, IOCON_PIO_DIG_FUNC1_EN); + /* PORT0 PIN30 (coords: 94) is configured as FC0_TXD_SCL_MISO_WS */ + IOCON_PinMuxSet(IOCON, 0U, 30U, IOCON_PIO_DIG_FUNC1_EN); + +#if defined(UART_DEV) && CFG_TUSB_DEBUG + // Enable UART when debug log is on + CLOCK_AttachClk(kFRO12M_to_FLEXCOMM0); + usart_config_t uart_config; + USART_GetDefaultConfig(&uart_config); + uart_config.baudRate_Bps = BOARD_UART_BAUDRATE; + uart_config.enableTx = true; + uart_config.enableRx = true; + USART_Init(UART_DEV, &uart_config, 12000000); +#endif + + // USB VBUS + /* PORT0 PIN22 configured as USB0_VBUS */ + IOCON_PinMuxSet(IOCON, 0U, 22U, IOCON_PIO_DIG_FUNC7_EN); + + // USB Controller + POWER_DisablePD(kPDRUNCFG_PD_USB0_PHY); /*Turn on USB0 Phy */ + POWER_DisablePD(kPDRUNCFG_PD_USB1_PHY); /*< Turn on USB1 Phy */ + + /* reset the IP to make sure it's in reset state. */ + RESET_PeripheralReset(kUSB0D_RST_SHIFT_RSTn); + RESET_PeripheralReset(kUSB0HSL_RST_SHIFT_RSTn); + RESET_PeripheralReset(kUSB0HMR_RST_SHIFT_RSTn); + RESET_PeripheralReset(kUSB1H_RST_SHIFT_RSTn); + RESET_PeripheralReset(kUSB1D_RST_SHIFT_RSTn); + RESET_PeripheralReset(kUSB1_RST_SHIFT_RSTn); + RESET_PeripheralReset(kUSB1RAM_RST_SHIFT_RSTn); + +#if (defined CFG_TUSB_RHPORT1_MODE) && (CFG_TUSB_RHPORT1_MODE & OPT_MODE_DEVICE) + CLOCK_EnableClock(kCLOCK_Usbh1); + /* Put PHY powerdown under software control */ + USBHSH->PORTMODE = USBHSH_PORTMODE_SW_PDCOM_MASK; + /* According to reference mannual, device mode setting has to be set by access usb host register */ + USBHSH->PORTMODE |= USBHSH_PORTMODE_DEV_ENABLE_MASK; + /* enable usb1 host clock */ + CLOCK_DisableClock(kCLOCK_Usbh1); +#endif + +#if (defined CFG_TUSB_RHPORT0_MODE) && (CFG_TUSB_RHPORT0_MODE & OPT_MODE_DEVICE) + // Enable USB Clock Adjustments to trim the FRO for the full speed controller + ANACTRL->FRO192M_CTRL |= ANACTRL_FRO192M_CTRL_USBCLKADJ_MASK; + CLOCK_SetClkDiv(kCLOCK_DivUsb0Clk, 1, false); + CLOCK_AttachClk(kFRO_HF_to_USB0_CLK); + /* enable usb0 host clock */ + CLOCK_EnableClock(kCLOCK_Usbhsl0); + /*According to reference mannual, device mode setting has to be set by access usb host register */ + USBFSH->PORTMODE |= USBFSH_PORTMODE_DEV_ENABLE_MASK; + /* disable usb0 host clock */ + CLOCK_DisableClock(kCLOCK_Usbhsl0); + CLOCK_EnableUsbfs0DeviceClock(kCLOCK_UsbfsSrcFro, CLOCK_GetFreq(kCLOCK_FroHf)); /* enable USB Device clock */ +#endif + +} + +//--------------------------------------------------------------------+ +// Board porting API +//--------------------------------------------------------------------+ + +void board_led_write(bool state) +{ + GPIO_PinWrite(GPIO, LED_PORT, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON)); + if (state) { + neopixel_set(0, 0x100000); + neopixel_set(1, 0x101010); + } else { + neopixel_set(0, 0x001000); + neopixel_set(1, 0x000010); + } + neopixel_update(); +} + +uint32_t board_button_read(void) +{ + // active low + return BUTTON_STATE_ACTIVE == GPIO_PinRead(GPIO, BUTTON_PORT, BUTTON_PIN); +} + +int board_uart_read(uint8_t* buf, int len) +{ + (void) buf; (void) len; + return 0; +} + +int board_uart_write(void const * 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