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116 lines
3.4 KiB
C
116 lines
3.4 KiB
C
/**************************************************************************/
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/*!
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@file board_metro_m4_express.c
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@author hathach (tinyusb.org)
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@section LICENSE
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Software License Agreement (BSD License)
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Copyright (c) 2018, hathach (tinyusb.org)
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the copyright holders nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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 "bsp/board.h"
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#include "stm32f4xx.h"
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#include "tusb_option.h"
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//--------------------------------------------------------------------+
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// MACRO TYPEDEF CONSTANT ENUM DECLARATION
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//--------------------------------------------------------------------+
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#define LED_STATE_ON 1
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static void board_led_init(uint32_t led_id) {
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uint8_t port_index = led_id / 16;
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uint8_t pin_index = led_id % 16;
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RCC->AHB1ENR |= RCC_AHB1ENR_GPIOAEN << port_index;
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GPIO_TypeDef * gpio = ((GPIO_TypeDef *) (GPIOA_BASE + (GPIOB_BASE - GPIOA_BASE) * port_index));
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gpio->MODER = 0x01 << (pin_index * 2);
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}
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void board_init(void)
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{
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// Systick init
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#if CFG_TUSB_OS == OPT_OS_NONE
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// Tick init, samd SystemCoreClock may not correct
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SysTick_Config(SystemCoreClock / 1000);
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#endif
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// Init the LED on PD14
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board_led_init(BOARD_LED0);
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// USB Clock init
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// USB Pin Init
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}
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void board_led_control(uint32_t led_id, bool state)
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{
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uint8_t port_index = led_id / 16;
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uint8_t pin_index = led_id % 16;
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GPIO_TypeDef * gpio = ((GPIO_TypeDef *) (GPIOA_BASE + (GPIOB_BASE - GPIOA_BASE) * port_index));
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uint32_t value = 1 << pin_index;
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if (!state) {
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value <<= 16;
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}
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gpio->BSRR = value;
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}
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/*------------------------------------------------------------------*/
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/* TUSB HAL MILLISECOND
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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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uint32_t tusb_hal_millis(void)
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{
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return board_tick2ms(system_ticks);
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}
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#endif
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void HardFault_Handler (void)
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{
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asm("bkpt");
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}
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