hw/bsp/stm32f0/boards/stm32f072eval/board.h

/* 
 * The MIT License (MIT)
 *
 * Copyright (c) 2020, Ha Thach (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.
 */

#ifndef BOARD_H_
#define BOARD_H_

#ifdef __cplusplus
 extern "C" {
#endif

// LED
#define LED_PORT              GPIOD
#define LED_PIN               GPIO_PIN_8	// LED1, GREEN
// #define LED_PIN               GPIO_PIN_9	// LED2, ORANGE
// #define LED_PIN               GPIO_PIN_10	// LED3, RED
// #define LED_PIN               GPIO_PIN_11	// LED4, BLUE
#define LED_STATE_ON          0

// Button
#define BUTTON_PORT           GPIOA
#define BUTTON_PIN            GPIO_PIN_0 // JOY_SEL
#define BUTTON_STATE_ACTIVE   1

// UART
#define UART_DEV              USART2
#define UART_CLK_EN           __HAL_RCC_USART2_CLK_ENABLE
#define UART_GPIO_PORT        GPIOD
#define UART_GPIO_AF          GPIO_AF0_USART2
#define UART_TX_PIN           GPIO_PIN_5
#define UART_RX_PIN           GPIO_PIN_6

//--------------------------------------------------------------------+
// RCC Clock
//--------------------------------------------------------------------+
static inline void board_stm32f0_clock_init(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

  /** Initializes the RCC Oscillators according to the specified parameters
   * in the RCC_OscInitTypeDef structure.
   */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48;
  RCC_OscInitStruct.HSEState = RCC_HSE_OFF;
  RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
  RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1;

  HAL_RCC_OscConfig(&RCC_OscInitStruct);

  /** Initializes the CPU, AHB and APB buses clocks
   */
  RCC_ClkInitStruct.ClockType =
      RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;

  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1);

  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB | RCC_PERIPHCLK_USART2;
  PeriphClkInit.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1;
  PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_HSI48;

  HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit);
}

static inline void board_vbus_sense_init(void)
{
}

#ifdef __cplusplus
 }
#endif

#endif /* BOARD_H_ */