kopia lustrzana https://github.com/micropython/micropython
118 wiersze
3.2 KiB
C
118 wiersze
3.2 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* Based on tinyusb/hw/bsp/teensy_40/teensy40.c
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2018, hathach (tinyusb.org)
|
|
* Copyright (c) 2020, Jim Mussared
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include "py/runtime.h"
|
|
|
|
#include "tusb.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"
|
|
#include "modmachine.h"
|
|
|
|
|
|
const uint8_t dcd_data[] = { 0x00 };
|
|
|
|
void board_init(void) {
|
|
// Init clock
|
|
BOARD_BootClockRUN();
|
|
SystemCoreClockUpdate();
|
|
|
|
// Enable IOCON clock
|
|
CLOCK_EnableClock(kCLOCK_Iomuxc);
|
|
|
|
// ------------- SDRAM ------------ //
|
|
#ifdef MICROPY_HW_SDRAM_AVAIL
|
|
mimxrt_sdram_init();
|
|
#endif
|
|
|
|
// 1ms tick timer
|
|
SysTick_Config(SystemCoreClock / 1000);
|
|
|
|
// ------------- USB0 ------------- //
|
|
// Clock
|
|
CLOCK_EnableUsbhs0PhyPllClock(kCLOCK_Usbphy480M, 480000000U);
|
|
CLOCK_EnableUsbhs0Clock(kCLOCK_Usb480M, 480000000U);
|
|
|
|
#ifdef USBPHY1
|
|
USBPHY_Type *usb_phy = USBPHY1;
|
|
#else
|
|
USBPHY_Type *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;
|
|
|
|
// USB1
|
|
// CLOCK_EnableUsbhs1PhyPllClock(kCLOCK_Usbphy480M, 480000000U);
|
|
// CLOCK_EnableUsbhs1Clock(kCLOCK_Usb480M, 480000000U);
|
|
|
|
// ADC
|
|
machine_adc_init();
|
|
|
|
// PIT
|
|
machine_timer_init_PIT();
|
|
|
|
// SDCard
|
|
#if MICROPY_PY_MACHINE_SDCARD
|
|
machine_sdcard_init0();
|
|
#endif
|
|
|
|
#if MICROPY_PY_MACHINE_I2S
|
|
machine_i2s_init0();
|
|
#endif
|
|
// RTC
|
|
machine_rtc_start();
|
|
}
|
|
|
|
void USB_OTG1_IRQHandler(void) {
|
|
tud_int_handler(0);
|
|
tud_task();
|
|
__SEV();
|
|
}
|
|
|
|
void USB_OTG2_IRQHandler(void) {
|
|
tud_int_handler(1);
|
|
tud_task();
|
|
__SEV();
|
|
}
|