| /* |
| * 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 |
| |
| // Blue LED is chosen because the other LEDs are connected to ST-LINK lines. |
| #define LED_PORT GPIOB |
| #define LED_PIN GPIO_PIN_4 |
| #define LED_STATE_ON 1 |
| |
| #define BUTTON_PORT GPIOB |
| #define BUTTON_PIN GPIO_PIN_3 |
| #define BUTTON_STATE_ACTIVE 1 |
| |
| // Enable PA2 as the debug log UART |
| // It is not routed to the ST/Link on the Discovery board. |
| //#define UART_DEV USART2 |
| //#define UART_GPIO_PORT GPIOA |
| //#define UART_GPIO_AF GPIO_AF7_USART2 |
| //#define UART_TX_PIN GPIO_PIN_2 |
| //#define UART_RX_PIN GPIO_PIN_3 |
| |
| //--------------------------------------------------------------------+ |
| // RCC Clock |
| //--------------------------------------------------------------------+ |
| static inline void board_clock_init(void) |
| { |
| RCC_ClkInitTypeDef RCC_ClkInitStruct; |
| RCC_OscInitTypeDef RCC_OscInitStruct; |
| |
| /* Enable Power Control clock */ |
| __HAL_RCC_PWR_CLK_ENABLE(); |
| |
| /* The voltage scaling allows optimizing the power consumption when the device is |
| clocked below the maximum system frequency, to update the voltage scaling value |
| regarding system frequency refer to product datasheet. */ |
| __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1); |
| |
| /* Enable HSE Oscillator and activate PLL with HSE as source */ |
| RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; |
| RCC_OscInitStruct.HSEState = RCC_HSE_ON; |
| RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; |
| RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; |
| RCC_OscInitStruct.PLL.PLLM = HSE_VALUE/1000000; |
| RCC_OscInitStruct.PLL.PLLN = 336; |
| RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2; |
| RCC_OscInitStruct.PLL.PLLQ = 7; |
| HAL_RCC_OscConfig(&RCC_OscInitStruct); |
| |
| /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 |
| clocks dividers */ |
| RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2); |
| RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; |
| RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; |
| RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4; |
| RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2; |
| HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5); |
| |
| // Enable clocks for LED, Button, Uart |
| __HAL_RCC_GPIOB_CLK_ENABLE(); |
| } |
| |
| static inline void board_vbus_sense_init(void) |
| { |
| // Enable VBUS sense (B device) via pin PA9 |
| USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_NOVBUSSENS; |
| USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBUSBSEN; |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* BOARD_H_ */ |