kopia lustrzana https://github.com/micropython/micropython
115 wiersze
3.3 KiB
C
115 wiersze
3.3 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* Based on tinyusb/hw/bsp/teensy_40/teensy40.c
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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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* Copyright (c) 2020, Jim Mussared
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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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#include "py/runtime.h"
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#include "tusb.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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#include "clock_config.h"
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#define LED_STATE_ON (0)
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volatile uint32_t systick_ms = 0;
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const uint8_t dcd_data[] = { 0x00 };
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void board_led_write(bool state);
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void board_init(void) {
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// Init clock
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BOARD_BootClockRUN();
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SystemCoreClockUpdate();
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// Enable IOCON clock
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CLOCK_EnableClock(kCLOCK_Iomuxc);
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// 1ms tick timer
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SysTick_Config(SystemCoreClock / 1000);
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// LED
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IOMUXC_SetPinMux(MICROPY_HW_LED_PINMUX, 0U);
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IOMUXC_SetPinConfig(MICROPY_HW_LED_PINMUX, 0x10B0U);
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gpio_pin_config_t led_config = { kGPIO_DigitalOutput, 0, kGPIO_NoIntmode };
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GPIO_PinInit(MICROPY_HW_LED_PORT, MICROPY_HW_LED_PIN, &led_config);
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board_led_write(true);
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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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#ifdef USBPHY1
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USBPHY_Type *usb_phy = USBPHY1;
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#else
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USBPHY_Type *usb_phy = USBPHY;
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#endif
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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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// Enable all power for normal operation
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usb_phy->PWD = 0;
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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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// 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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void board_led_write(bool state) {
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GPIO_PinWrite(MICROPY_HW_LED_PORT, MICROPY_HW_LED_PIN, state ? LED_STATE_ON : (1 - LED_STATE_ON));
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}
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void SysTick_Handler(void) {
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systick_ms++;
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}
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void USB_OTG1_IRQHandler(void) {
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tud_isr(0);
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tud_task();
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}
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void USB_OTG2_IRQHandler(void) {
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tud_isr(1);
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tud_task();
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}
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