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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_iomuxc.h"
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-#include "fsl_clock.h"
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-#include "fsl_lpuart.h"
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-
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-#include "clock_config.h"
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-
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-#define LED_PINMUX IOMUXC_GPIO_B0_03_GPIO2_IO03 // D13
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-#define LED_PORT GPIO2
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-#define LED_PIN 3
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-#define LED_STATE_ON 0
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-
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-// no button
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-#define BUTTON_PINMUX IOMUXC_GPIO_B0_01_GPIO2_IO01 // D12
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-#define BUTTON_PORT GPIO2
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-#define BUTTON_PIN 1
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-#define BUTTON_STATE_ACTIVE 0
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-
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-// UART
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-#define UART_PORT LPUART6
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-#define UART_RX_PINMUX IOMUXC_GPIO_AD_B0_03_LPUART6_RX // D0
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-#define UART_TX_PINMUX IOMUXC_GPIO_AD_B0_02_LPUART6_TX // D1
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-
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-// needed by fsl_flexspi_nor_boot
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-const uint8_t dcd_data[] = { 0x00 };
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-
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-void board_init(void)
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-{
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- // Init clock
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- BOARD_BootClockRUN();
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- SystemCoreClockUpdate();
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-
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- // Enable IOCON clock
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- CLOCK_EnableClock(kCLOCK_Iomuxc);
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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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- // LED
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- IOMUXC_SetPinMux( LED_PINMUX, 0U);
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- IOMUXC_SetPinConfig( LED_PINMUX, 0x10B0U);
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-
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- gpio_pin_config_t led_config = { kGPIO_DigitalOutput, 0, kGPIO_NoIntmode };
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- GPIO_PinInit(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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- IOMUXC_SetPinMux( BUTTON_PINMUX, 0U);
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- IOMUXC_SetPinConfig(BUTTON_PINMUX, 0x01B0A0U);
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- gpio_pin_config_t button_config = { kGPIO_DigitalInput, 0, kGPIO_NoIntmode };
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- GPIO_PinInit(BUTTON_PORT, BUTTON_PIN, &button_config);
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-
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- // UART
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- IOMUXC_SetPinMux( UART_TX_PINMUX, 0U);
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- IOMUXC_SetPinMux( UART_RX_PINMUX, 0U);
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- IOMUXC_SetPinConfig( UART_TX_PINMUX, 0x10B0u);
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- IOMUXC_SetPinConfig( UART_RX_PINMUX, 0x10B0u);
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-
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- lpuart_config_t uart_config;
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- LPUART_GetDefaultConfig(&uart_config);
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- uart_config.baudRate_Bps = CFG_BOARD_UART_BAUDRATE;
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- uart_config.enableTx = true;
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- uart_config.enableRx = true;
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- LPUART_Init(UART_PORT, &uart_config, (CLOCK_GetPllFreq(kCLOCK_PllUsb1) / 6U) / (CLOCK_GetDiv(kCLOCK_UartDiv) + 1U));
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-
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- //------------- USB0 -------------//
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- // Clock
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- CLOCK_EnableUsbhs0PhyPllClock(kCLOCK_Usbphy480M, 480000000U);
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- CLOCK_EnableUsbhs0Clock(kCLOCK_Usb480M, 480000000U);
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-
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- USBPHY_Type* usb_phy = USBPHY1;
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-
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- // Enable PHY support for Low speed device + LS via FS Hub
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- usb_phy->CTRL |= USBPHY_CTRL_SET_ENUTMILEVEL2_MASK | USBPHY_CTRL_SET_ENUTMILEVEL3_MASK;
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-
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- // Enable all power for normal operation
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- usb_phy->PWD = 0;
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-
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- // TX Timing
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- uint32_t phytx = usb_phy->TX;
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- phytx &= ~(USBPHY_TX_D_CAL_MASK | USBPHY_TX_TXCAL45DM_MASK | USBPHY_TX_TXCAL45DP_MASK);
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- phytx |= USBPHY_TX_D_CAL(0x0C) | USBPHY_TX_TXCAL45DP(0x06) | USBPHY_TX_TXCAL45DM(0x06);
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- usb_phy->TX = phytx;
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-
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- // USB1
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-// CLOCK_EnableUsbhs1PhyPllClock(kCLOCK_Usbphy480M, 480000000U);
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-// CLOCK_EnableUsbhs1Clock(kCLOCK_Usb480M, 480000000U);
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-}
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-
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-//--------------------------------------------------------------------+
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-// USB Interrupt Handler
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-//--------------------------------------------------------------------+
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-void USB_OTG1_IRQHandler(void)
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-{
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- #if CFG_TUSB_RHPORT0_MODE & OPT_MODE_HOST
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- tuh_int_handler(0);
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- #endif
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-
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- #if CFG_TUSB_RHPORT0_MODE & OPT_MODE_DEVICE
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- tud_int_handler(0);
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- #endif
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-}
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-
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-void USB_OTG2_IRQHandler(void)
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-{
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- #if CFG_TUSB_RHPORT1_MODE & OPT_MODE_HOST
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- tuh_int_handler(1);
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- #endif
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-
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- #if CFG_TUSB_RHPORT1_MODE & OPT_MODE_DEVICE
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- tud_int_handler(1);
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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(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(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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- LPUART_ReadBlocking(UART_PORT, buf, len);
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- return len;
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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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- LPUART_WriteBlocking(UART_PORT, (uint8_t*)buf, len);
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- return len;
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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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hathach