156 lines
4.5 KiB
C
156 lines
4.5 KiB
C
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Ha Thach (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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/* metadata:
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manufacturer: STMicroelectronics
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*/
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#include "stm32f2xx_hal.h"
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#include "bsp/board_api.h"
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#include "board.h"
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//--------------------------------------------------------------------+
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// Forward USB interrupt events to TinyUSB IRQ Handler
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//--------------------------------------------------------------------+
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void OTG_FS_IRQHandler(void) {
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tud_int_handler(0);
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}
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//--------------------------------------------------------------------+
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// MACRO TYPEDEF CONSTANT ENUM
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//--------------------------------------------------------------------+
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// enable all LED, Button, Uart, USB clock
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static void all_rcc_clk_enable(void) {
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__HAL_RCC_GPIOA_CLK_ENABLE(); // USB D+, D-
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__HAL_RCC_GPIOB_CLK_ENABLE(); // LED
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__HAL_RCC_GPIOC_CLK_ENABLE(); // Button
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}
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void board_init(void) {
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SystemClock_Config();
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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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#endif
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all_rcc_clk_enable();
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GPIO_InitTypeDef GPIO_InitStruct;
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// LED
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GPIO_InitStruct.Pin = LED_PIN;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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HAL_GPIO_Init(LED_PORT, &GPIO_InitStruct);
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board_led_write(false);
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// Button
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GPIO_InitStruct.Pin = BUTTON_PIN;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_PULLDOWN;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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HAL_GPIO_Init(BUTTON_PORT, &GPIO_InitStruct);
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/* Configure DM DP Pins */
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GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12);
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* Configure VBUS Pin */
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GPIO_InitStruct.Pin = GPIO_PIN_9;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* Configure ID pin */
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GPIO_InitStruct.Pin = GPIO_PIN_10;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* Enable USB FS Clocks */
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__HAL_RCC_USB_OTG_FS_CLK_ENABLE();
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// Enable VBUS sense (B device) via pin PA9
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USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_NOVBUSSENS;
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USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBUSBSEN;
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}
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//--------------------------------------------------------------------+
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// Board porting API
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//--------------------------------------------------------------------+
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void board_led_write(bool state) {
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GPIO_PinState pin_state = (GPIO_PinState) (state ? LED_STATE_ON : (1 - LED_STATE_ON));
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HAL_GPIO_WritePin(LED_PORT, LED_PIN, pin_state);
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}
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uint32_t board_button_read(void) {
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return BUTTON_STATE_ACTIVE == HAL_GPIO_ReadPin(BUTTON_PORT, BUTTON_PIN);
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}
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int board_uart_read(uint8_t* buf, int len) {
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(void) buf;
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(void) len;
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return 0;
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}
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int board_uart_write(void const* buf, int len) {
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(void) buf;
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(void) len;
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return 0;
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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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HAL_IncTick();
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system_ticks++;
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}
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uint32_t board_millis(void) {
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return system_ticks;
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}
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#endif
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void HardFault_Handler(void) {
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__asm("BKPT #0\n");
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}
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// Required by __libc_init_array in startup code if we are compiling using
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// -nostdlib/-nostartfiles.
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void _init(void) {
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}
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