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author | joeycastillo <joeycastillo@utexas.edu> | 2021-08-30 14:42:11 -0400 |
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committer | GitHub <noreply@github.com> | 2021-08-30 14:42:11 -0400 |
commit | eb3d9b26cbda2d2612f11eb39843b221224f1fa7 (patch) | |
tree | 7a514b4d21dd0d2a324a5e1313a144f26bf20799 /tinyusb/hw/bsp/stm32f4/boards/stm32f401blackpill/board.h | |
parent | ee9cc322d301631c9ff0751d9bed717c6492b6a5 (diff) | |
parent | b0845cc3f1a8234a30c980eccf10e44765e4e105 (diff) | |
download | Sensor-Watch-eb3d9b26cbda2d2612f11eb39843b221224f1fa7.tar.gz Sensor-Watch-eb3d9b26cbda2d2612f11eb39843b221224f1fa7.tar.bz2 Sensor-Watch-eb3d9b26cbda2d2612f11eb39843b221224f1fa7.zip |
Merge pull request #9 from joeycastillo/usb-refactor
USB refactor / Makefile simplification
Diffstat (limited to 'tinyusb/hw/bsp/stm32f4/boards/stm32f401blackpill/board.h')
-rwxr-xr-x | tinyusb/hw/bsp/stm32f4/boards/stm32f401blackpill/board.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/tinyusb/hw/bsp/stm32f4/boards/stm32f401blackpill/board.h b/tinyusb/hw/bsp/stm32f4/boards/stm32f401blackpill/board.h new file mode 100755 index 00000000..0f820512 --- /dev/null +++ b/tinyusb/hw/bsp/stm32f4/boards/stm32f401blackpill/board.h @@ -0,0 +1,106 @@ +/* + * 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 GPIOC +#define LED_PIN GPIO_PIN_13 +#define LED_STATE_ON 0 + +// Button +#define BUTTON_PORT GPIOA +#define BUTTON_PIN GPIO_PIN_0 +#define BUTTON_STATE_ACTIVE 0 + +// Enable PA2 as the debug log UART +//#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_SCALE2); + + /* 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_DIV4; + 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_DIV2; + RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; + HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2); + + // Enable clocks for LED, Button, Uart + __HAL_RCC_GPIOA_CLK_ENABLE(); + __HAL_RCC_GPIOC_CLK_ENABLE(); + //__HAL_RCC_USART2_CLK_ENABLE(); +} + +static inline void board_vbus_sense_init(void) +{ + // Blackpill doens't use VBUS sense (B device) explicitly disable it + USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_NOVBUSSENS; + USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_VBUSBSEN; + USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_VBUSASEN; +} + +#ifdef __cplusplus + } +#endif + +#endif /* BOARD_H_ */ |