Initial project setup
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213
managed_components/espressif__tinyusb/hw/bsp/maxim/family.c
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213
managed_components/espressif__tinyusb/hw/bsp/maxim/family.c
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2024 Brent Kowal (Analog Devices, Inc)
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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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* This file is part of the TinyUSB stack.
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*/
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/* metadata:
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manufacturer: Analog Devices
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*/
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#ifdef __GNUC__
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wstrict-prototypes" // _mxc_crit_get_state()
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#endif
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#include "gpio.h"
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#include "mxc_sys.h"
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#if __has_include("mcr_regs.h")
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#include "mcr_regs.h"
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#endif
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#include "mxc_device.h"
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#include "uart.h"
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#ifdef __GNUC__
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#pragma GCC diagnostic pop
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#endif
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#include "board.h"
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#include "bsp/board_api.h"
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//--------------------------------------------------------------------+
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// Forward USB interrupt events to TinyUSB IRQ Handler
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//--------------------------------------------------------------------+
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void USB_IRQHandler(void) {
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tud_int_handler(0);
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}
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//--------------------------------------------------------------------+
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// MACRO TYPEDEF CONSTANT ENUM
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//--------------------------------------------------------------------+
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mxc_uart_regs_t *ConsoleUart = MXC_UART_GET_UART(UART_NUM);
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void board_init(void) {
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#if CFG_TUSB_OS == OPT_OS_NONE
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// 1ms tick timer
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SysTick_Config(SystemCoreClock / 1000);
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#elif CFG_TUSB_OS == OPT_OS_FREERTOS
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// If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
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NVIC_SetPriority(USB_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
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#endif
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mxc_gpio_cfg_t gpioConfig;
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// LED
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gpioConfig.drvstr = MXC_GPIO_DRVSTR_0;
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gpioConfig.func = MXC_GPIO_FUNC_OUT;
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gpioConfig.mask = LED_PIN;
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gpioConfig.pad = MXC_GPIO_PAD_NONE;
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gpioConfig.port = LED_PORT;
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gpioConfig.vssel = LED_VDDIO;
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MXC_GPIO_Config(&gpioConfig);
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board_led_write(false);
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// Button
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gpioConfig.drvstr = MXC_GPIO_DRVSTR_0;
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gpioConfig.func = MXC_GPIO_FUNC_IN;
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gpioConfig.mask = BUTTON_PIN;
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gpioConfig.pad = BUTTON_PULL;
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gpioConfig.port = BUTTON_PORT;
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gpioConfig.vssel = MXC_GPIO_VSSEL_VDDIO;
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MXC_GPIO_Config(&gpioConfig);
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// UART
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#if MAX_PERIPH_ID == 14
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MXC_UART_Init(ConsoleUart, CFG_BOARD_UART_BAUDRATE, UART_MAP);
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#elif MAX_PERIPH_ID == 18 || MAX_PERIPH_ID == 87
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MXC_UART_Init(ConsoleUart, CFG_BOARD_UART_BAUDRATE, MXC_UART_IBRO_CLK);
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#if MAX_PERIPH_ID == 87
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UART_PORT->vssel |= UART_VDDIO_BITS; // Set necessary bits to 3.3V
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#endif
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#endif
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//USB
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#if defined(MAX32650)
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// Startup the HIRC96M clock if it's not on already
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if (!(MXC_GCR->clk_ctrl & MXC_F_GCR_CLK_CTRL_HIRC96_EN)) {
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MXC_GCR->clk_ctrl |= MXC_F_GCR_CLK_CTRL_HIRC96_EN;
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MXC_SYS_Clock_Timeout(MXC_F_GCR_CLK_CTRL_HIRC96_RDY);
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}
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MXC_SYS_ClockEnable(MXC_SYS_PERIPH_CLOCK_USB);
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MXC_SYS_Reset_Periph(MXC_SYS_RESET_USB);
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#elif defined(MAX32665) || defined(MAX32666)
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// Startup the HIRC96M clock if it's not on already
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if (!(MXC_GCR->clkcn & MXC_F_GCR_CLKCN_HIRC96M_EN)) {
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MXC_GCR->clkcn |= MXC_F_GCR_CLKCN_HIRC96M_EN;
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}
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MXC_SYS_ClockEnable(MXC_SYS_PERIPH_CLOCK_USB);
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MXC_SYS_Reset_Periph(MXC_SYS_RESET_USB);
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#elif defined(MAX32690)
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MXC_SYS_ClockSourceEnable(MXC_SYS_CLOCK_IPO);
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MXC_MCR->ldoctrl |= MXC_F_MCR_LDOCTRL_0P9EN;
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MXC_SYS_ClockEnable(MXC_SYS_PERIPH_CLOCK_USB);
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MXC_SYS_Reset_Periph(MXC_SYS_RESET0_USB);
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# elif defined(MAX78002)
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MXC_MCR->ldoctrl |= MXC_F_MCR_LDOCTRL_0P9EN;
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MXC_SYS_ClockEnable(MXC_SYS_PERIPH_CLOCK_USB);
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#else
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#error "Unsupported MAXIM MCU for board_dfu_init"
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#endif
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}
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//--------------------------------------------------------------------+
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// Board porting API
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//--------------------------------------------------------------------+
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void board_led_write(bool state) {
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#if LED_STATE_ON
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state = !state;
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#endif
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if (state) {
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MXC_GPIO_OutClr(LED_PORT, LED_PIN);
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} else {
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MXC_GPIO_OutSet(LED_PORT, LED_PIN);
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}
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}
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uint32_t board_button_read(void) {
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uint32_t state = MXC_GPIO_InGet(BUTTON_PORT, BUTTON_PIN) ? 1 : 0;
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return BUTTON_STATE_ACTIVE == state;
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}
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size_t board_get_unique_id(uint8_t id[], size_t max_len) {
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#if defined(MAX32650)
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// USN is 13 bytes on this device
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MXC_SYS_GetUSN(id, 13);
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return 13;
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#else
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uint8_t hw_id[MXC_SYS_USN_CHECKSUM_LEN]; //USN Buffer
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MXC_SYS_GetUSN(hw_id, NULL); // 2nd parameter is optional checksum buffer
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size_t act_len = TU_MIN(max_len, MXC_SYS_USN_LEN);
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memcpy(id, hw_id, act_len);
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return act_len;
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#endif
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}
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int board_uart_read(uint8_t *buf, int len) {
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int uart_val;
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int act_len = 0;
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while (act_len < len) {
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if ((uart_val = MXC_UART_ReadCharacterRaw(ConsoleUart)) == E_UNDERFLOW) {
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break;
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} else {
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*buf++ = (uint8_t) uart_val;
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act_len++;
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}
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}
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return act_len;
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}
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int board_uart_write(void const *buf, int len) {
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int act_len = 0;
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const uint8_t *ch_ptr = (const uint8_t *) buf;
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while (act_len < len) {
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MXC_UART_WriteCharacter(ConsoleUart, *ch_ptr++);
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act_len++;
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}
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return len;
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}
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#if CFG_TUSB_OS == OPT_OS_NONE
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volatile uint32_t system_ticks = 0;
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void SysTick_Handler(void) {
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system_ticks++;
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}
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uint32_t board_millis(void) {
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return system_ticks;
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}
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#endif
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void HardFault_Handler(void) {
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__asm("BKPT #0\n");
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}
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// Required by __libc_init_array in startup code if we are compiling using
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// -nostdlib/-nostartfiles.
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void _init(void) {
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}
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