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-/*
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- * The MIT License (MIT)
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- *
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- * Copyright (c) 2018, hathach (tinyusb.org)
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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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-
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-#include "../board.h"
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-#include "fsl_device_registers.h"
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-#include "fsl_gpio.h"
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-#include "fsl_power.h"
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-#include "fsl_iocon.h"
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-
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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 USB0_IRQHandler(void)
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-{
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- tud_int_handler(0);
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-}
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-
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-void USB1_IRQHandler(void)
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-{
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- tud_int_handler(1);
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-}
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-
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-//--------------------------------------------------------------------+
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-// MACRO TYPEDEF CONSTANT ENUM
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-//--------------------------------------------------------------------+
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-#define LED_PORT 1
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-#define LED_PIN 6
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-#define LED_STATE_ON 0
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-
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-// WAKE button
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-#define BUTTON_PORT 1
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-#define BUTTON_PIN 18
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-#define BUTTON_STATE_ACTIVE 0
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-
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-// IOCON pin mux
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-#define IOCON_PIO_DIGITAL_EN 0x0100u /*!<@brief Enables digital function */
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-#define IOCON_PIO_FUNC0 0x00u /*!<@brief Selects pin function 0 */
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-#define IOCON_PIO_FUNC1 0x01u /*!<@brief Selects pin function 1 */
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-#define IOCON_PIO_FUNC7 0x07u /*!<@brief Selects pin function 7 */
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-#define IOCON_PIO_INV_DI 0x00u /*!<@brief Input function is not inverted */
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-#define IOCON_PIO_MODE_INACT 0x00u /*!<@brief No addition pin function */
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-#define IOCON_PIO_OPENDRAIN_DI 0x00u /*!<@brief Open drain is disabled */
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-#define IOCON_PIO_SLEW_STANDARD 0x00u /*!<@brief Standard mode, output slew rate control is enabled */
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-
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-/****************************************************************
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-name: BOARD_BootClockFROHF96M
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-outputs:
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-- {id: SYSTICK_clock.outFreq, value: 96 MHz}
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-- {id: System_clock.outFreq, value: 96 MHz}
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-settings:
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-- {id: SYSCON.MAINCLKSELA.sel, value: SYSCON.fro_hf}
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-sources:
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-- {id: SYSCON.fro_hf.outFreq, value: 96 MHz}
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-******************************************************************/
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-void BootClockFROHF96M(void)
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-{
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- /*!< Set up the clock sources */
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- /*!< Set up FRO */
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- POWER_DisablePD(kPDRUNCFG_PD_FRO192M); /*!< Ensure FRO is on */
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- CLOCK_SetupFROClocking(12000000U); /*!< Set up FRO to the 12 MHz, just for sure */
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- CLOCK_AttachClk(kFRO12M_to_MAIN_CLK); /*!< Switch to FRO 12MHz first to ensure we can change voltage without
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- accidentally being below the voltage for current speed */
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-
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- CLOCK_SetupFROClocking(96000000U); /*!< Set up high frequency FRO output to selected frequency */
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-
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- POWER_SetVoltageForFreq(96000000U); /*!< Set voltage for the one of the fastest clock outputs: System clock output */
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- CLOCK_SetFLASHAccessCyclesForFreq(96000000U); /*!< Set FLASH wait states for core */
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-
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- /*!< Set up dividers */
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- CLOCK_SetClkDiv(kCLOCK_DivAhbClk, 1U, false); /*!< Set AHBCLKDIV divider to value 1 */
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-
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- /*!< Set up clock selectors - Attach clocks to the peripheries */
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- CLOCK_AttachClk(kFRO_HF_to_MAIN_CLK); /*!< Switch MAIN_CLK to FRO_HF */
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-
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- /*!< Set SystemCoreClock variable. */
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- SystemCoreClock = 96000000U;
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-}
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-
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-void board_init(void)
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-{
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- // Enable IOCON clock
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- CLOCK_EnableClock(kCLOCK_Iocon);
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-
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- // Init 96 MHz clock
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- BootClockFROHF96M();
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-
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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(USB0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
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-#endif
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-
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- GPIO_PortInit(GPIO, LED_PORT);
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- GPIO_PortInit(GPIO, BUTTON_PORT);
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-
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- // LED
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- gpio_pin_config_t const led_config = { kGPIO_DigitalOutput, 0};
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- GPIO_PinInit(GPIO, LED_PORT, LED_PIN, &led_config);
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- board_led_write(true);
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-
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- // Button
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- const uint32_t port1_pin18_config = (
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- IOCON_PIO_FUNC0 | /* Pin is configured as PIO1_18 */
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- IOCON_PIO_MODE_INACT | /* No addition pin function */
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- IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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- IOCON_PIO_INV_DI | /* Input function is not inverted */
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- IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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- IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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- );
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- /* PORT1 PIN18 (coords: 64) is configured as PIO1_18 */
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- IOCON_PinMuxSet(IOCON, 1U, 18U, port1_pin18_config);
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-
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- gpio_pin_config_t const button_config = { kGPIO_DigitalInput, 0};
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- GPIO_PinInit(GPIO, BUTTON_PORT, BUTTON_PIN, &button_config);
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-
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- // USB VBUS
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- const uint32_t port0_pin22_config = (
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- IOCON_PIO_FUNC7 | /* Pin is configured as USB0_VBUS */
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- IOCON_PIO_MODE_INACT | /* No addition pin function */
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- IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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- IOCON_PIO_INV_DI | /* Input function is not inverted */
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- IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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- IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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- );
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- /* PORT0 PIN22 (coords: 78) is configured as USB0_VBUS */
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- IOCON_PinMuxSet(IOCON, 0U, 22U, port0_pin22_config);
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-
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- // USB Controller
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- POWER_DisablePD(kPDRUNCFG_PD_USB0_PHY); /*Turn on USB0 Phy */
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- POWER_DisablePD(kPDRUNCFG_PD_USB1_PHY); /*< Turn on USB1 Phy */
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-
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- /* reset the IP to make sure it's in reset state. */
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- RESET_PeripheralReset(kUSB0D_RST_SHIFT_RSTn);
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- RESET_PeripheralReset(kUSB0HSL_RST_SHIFT_RSTn);
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- RESET_PeripheralReset(kUSB0HMR_RST_SHIFT_RSTn);
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- RESET_PeripheralReset(kUSB1H_RST_SHIFT_RSTn);
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- RESET_PeripheralReset(kUSB1D_RST_SHIFT_RSTn);
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- RESET_PeripheralReset(kUSB1_RST_SHIFT_RSTn);
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- RESET_PeripheralReset(kUSB1RAM_RST_SHIFT_RSTn);
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-
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-#if (defined USB_DEVICE_CONFIG_LPCIP3511HS) && (USB_DEVICE_CONFIG_LPCIP3511HS)
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- CLOCK_EnableClock(kCLOCK_Usbh1);
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- /* Put PHY powerdown under software control */
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- *((uint32_t *)(USBHSH_BASE + 0x50)) = USBHSH_PORTMODE_SW_PDCOM_MASK;
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- /* According to reference mannual, device mode setting has to be set by access usb host register */
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- *((uint32_t *)(USBHSH_BASE + 0x50)) |= USBHSH_PORTMODE_DEV_ENABLE_MASK;
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- /* enable usb1 host clock */
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- CLOCK_DisableClock(kCLOCK_Usbh1);
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-#endif
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-
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-#if 1 || (defined USB_DEVICE_CONFIG_LPCIP3511FS) && (USB_DEVICE_CONFIG_LPCIP3511FS)
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- CLOCK_SetClkDiv(kCLOCK_DivUsb0Clk, 1, false);
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- CLOCK_AttachClk(kFRO_HF_to_USB0_CLK);
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- /* enable usb0 host clock */
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- CLOCK_EnableClock(kCLOCK_Usbhsl0);
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- /*According to reference mannual, device mode setting has to be set by access usb host register */
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- *((uint32_t *)(USBFSH_BASE + 0x5C)) |= USBFSH_PORTMODE_DEV_ENABLE_MASK;
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- /* disable usb0 host clock */
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- CLOCK_DisableClock(kCLOCK_Usbhsl0);
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- CLOCK_EnableUsbfs0DeviceClock(kCLOCK_UsbfsSrcFro, CLOCK_GetFreq(kCLOCK_FroHf)); /* enable USB Device clock */
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-#endif
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-}
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-
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-//--------------------------------------------------------------------+
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-// Board porting API
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-//--------------------------------------------------------------------+
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-
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-void board_led_write(bool state)
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-{
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- GPIO_PinWrite(GPIO, LED_PORT, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
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-}
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-
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-uint32_t board_button_read(void)
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-{
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- // active low
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- return BUTTON_STATE_ACTIVE == GPIO_PinRead(GPIO, BUTTON_PORT, BUTTON_PIN);
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-}
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-
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-int board_uart_read(uint8_t* buf, int len)
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-{
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- (void) buf; (void) len;
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- return 0;
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-}
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-
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-int board_uart_write(void const * buf, int len)
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-{
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- (void) buf; (void) len;
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- return 0;
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-}
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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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-{
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- system_ticks++;
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-}
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-
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-uint32_t board_millis(void)
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-{
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- return system_ticks;
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-}
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-#endif
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