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/*
* 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 "bsp/board.h"
#include "board.h"
#include "fsl_device_registers.h"
#include "fsl_gpio.h"
#include "fsl_iomuxc.h"
#include "fsl_clock.h"
#include "fsl_lpuart.h"
#include "clock_config.h"
// needed by fsl_flexspi_nor_boot
const uint8_t dcd_data[] = { 0x00 };
void board_init(void)
{
// Init clock
BOARD_BootClockRUN();
SystemCoreClockUpdate();
// Enable IOCON clock
CLOCK_EnableClock(kCLOCK_Iomuxc);
#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
// LED
IOMUXC_SetPinMux( LED_PINMUX, 0U);
IOMUXC_SetPinConfig( LED_PINMUX, 0x10B0U);
gpio_pin_config_t led_config = { kGPIO_DigitalOutput, 0, kGPIO_NoIntmode };
GPIO_PinInit(LED_PORT, LED_PIN, &led_config);
board_led_write(true);
// Button
IOMUXC_SetPinMux( BUTTON_PINMUX, 0U);
IOMUXC_SetPinConfig(BUTTON_PINMUX, 0x01B0A0U);
gpio_pin_config_t button_config = { kGPIO_DigitalInput, 0, kGPIO_IntRisingEdge, };
GPIO_PinInit(BUTTON_PORT, BUTTON_PIN, &button_config);
// UART
IOMUXC_SetPinMux( UART_TX_PINMUX, 0U);
IOMUXC_SetPinMux( UART_RX_PINMUX, 0U);
IOMUXC_SetPinConfig( UART_TX_PINMUX, 0x10B0u);
IOMUXC_SetPinConfig( UART_RX_PINMUX, 0x10B0u);
lpuart_config_t uart_config;
LPUART_GetDefaultConfig(&uart_config);
uart_config.baudRate_Bps = CFG_BOARD_UART_BAUDRATE;
uart_config.enableTx = true;
uart_config.enableRx = true;
uint32_t freq;
if (CLOCK_GetMux(kCLOCK_UartMux) == 0) /* PLL3 div6 80M */
{
freq = (CLOCK_GetPllFreq(kCLOCK_PllUsb1) / 6U) / (CLOCK_GetDiv(kCLOCK_UartDiv) + 1U);
}
else
{
freq = CLOCK_GetOscFreq() / (CLOCK_GetDiv(kCLOCK_UartDiv) + 1U);
}
LPUART_Init(UART_PORT, &uart_config, freq);
//------------- USB0 -------------//
// Clock
CLOCK_EnableUsbhs0PhyPllClock(kCLOCK_Usbphy480M, 480000000U);
CLOCK_EnableUsbhs0Clock(kCLOCK_Usb480M, 480000000U);
// USB1
// CLOCK_EnableUsbhs1PhyPllClock(kCLOCK_Usbphy480M, 480000000U);
// CLOCK_EnableUsbhs1Clock(kCLOCK_Usb480M, 480000000U);
USBPHY_Type* usb_phy;
// RT105x RT106x have dual USB controller. TODO support USB2
#ifdef USBPHY1
usb_phy = USBPHY1;
#else
usb_phy = USBPHY;
#endif
// Enable PHY support for Low speed device + LS via FS Hub
usb_phy->CTRL |= USBPHY_CTRL_SET_ENUTMILEVEL2_MASK | USBPHY_CTRL_SET_ENUTMILEVEL3_MASK;
// Enable all power for normal operation
usb_phy->PWD = 0;
// TX Timing
uint32_t phytx = usb_phy->TX;
phytx &= ~(USBPHY_TX_D_CAL_MASK | USBPHY_TX_TXCAL45DM_MASK | USBPHY_TX_TXCAL45DP_MASK);
phytx |= USBPHY_TX_D_CAL(0x0C) | USBPHY_TX_TXCAL45DP(0x06) | USBPHY_TX_TXCAL45DM(0x06);
usb_phy->TX = phytx;
}
//--------------------------------------------------------------------+
// USB Interrupt Handler
//--------------------------------------------------------------------+
void USB_OTG1_IRQHandler(void)
{
#if CFG_TUSB_RHPORT0_MODE & OPT_MODE_HOST
tuh_int_handler(0);
#endif
#if CFG_TUSB_RHPORT0_MODE & OPT_MODE_DEVICE
tud_int_handler(0);
#endif
}
void USB_OTG2_IRQHandler(void)
{
#if CFG_TUSB_RHPORT1_MODE & OPT_MODE_HOST
tuh_int_handler(1);
#endif
#if CFG_TUSB_RHPORT1_MODE & OPT_MODE_DEVICE
tud_int_handler(1);
#endif
}
//--------------------------------------------------------------------+
// Board porting API
//--------------------------------------------------------------------+
void board_led_write(bool state)
{
GPIO_PinWrite(LED_PORT, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
}
uint32_t board_button_read(void)
{
// active low
return BUTTON_STATE_ACTIVE == GPIO_PinRead(BUTTON_PORT, BUTTON_PIN);
}
int board_uart_read(uint8_t* buf, int len)
{
LPUART_ReadBlocking(UART_PORT, buf, len);
return len;
}
int board_uart_write(void const * buf, int len)
{
LPUART_WriteBlocking(UART_PORT, (uint8_t*)buf, len);
return len;
}
#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
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