diff options
Diffstat (limited to 'tinyusb/hw/bsp/stm32f303disco/stm32f303disco.c')
| -rwxr-xr-x | tinyusb/hw/bsp/stm32f303disco/stm32f303disco.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/tinyusb/hw/bsp/stm32f303disco/stm32f303disco.c b/tinyusb/hw/bsp/stm32f303disco/stm32f303disco.c deleted file mode 100755 index 33552bc0..00000000 --- a/tinyusb/hw/bsp/stm32f303disco/stm32f303disco.c +++ /dev/null @@ -1,215 +0,0 @@ -/* - * The MIT License (MIT) - * - * Copyright (c) 2019 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. - */ - -#include "../board.h" -#include "stm32f3xx_hal.h" - -//--------------------------------------------------------------------+ -// Forward USB interrupt events to TinyUSB IRQ Handler -//--------------------------------------------------------------------+ - -// USB defaults to using interrupts 19, 20 and 42, however, this BSP sets the -// SYSCFG_CFGR1.USB_IT_RMP bit remapping interrupts to 74, 75 and 76. - -// FIXME: Do all three need to be handled, or just the LP one? -// USB high-priority interrupt (Channel 74): Triggered only by a correct -// transfer event for isochronous and double-buffer bulk transfer to reach -// the highest possible transfer rate. -void USB_HP_IRQHandler(void) -{ - tud_int_handler(0); -} - -// USB low-priority interrupt (Channel 75): Triggered by all USB events -// (Correct transfer, USB reset, etc.). The firmware has to check the -// interrupt source before serving the interrupt. -void USB_LP_IRQHandler(void) -{ - tud_int_handler(0); -} - -// USB wakeup interrupt (Channel 76): Triggered by the wakeup event from the USB -// Suspend mode. -void USBWakeUp_RMP_IRQHandler(void) -{ - tud_int_handler(0); -} - -//--------------------------------------------------------------------+ -// MACRO TYPEDEF CONSTANT ENUM -//--------------------------------------------------------------------+ - -#define LED_PORT GPIOE -#define LED_PIN GPIO_PIN_9 -#define LED_STATE_ON 1 - -#define BUTTON_PORT GPIOA -#define BUTTON_PIN GPIO_PIN_0 -#define BUTTON_STATE_ACTIVE 1 - - -/** - * @brief System Clock Configuration - * The system Clock is configured as follow : - * System Clock source = PLL (HSE) - * SYSCLK(Hz) = 72000000 - * HCLK(Hz) = 72000000 - * AHB Prescaler = 1 - * APB1 Prescaler = 2 - * APB2 Prescaler = 1 - * HSE Frequency(Hz) = 8000000 - * HSE PREDIV = 1 - * PLLMUL = RCC_PLL_MUL9 (9) - * Flash Latency(WS) = 2 - * @param None - * @retval None - */ -static void SystemClock_Config(void) -{ - RCC_ClkInitTypeDef RCC_ClkInitStruct; - RCC_OscInitTypeDef RCC_OscInitStruct; - RCC_PeriphCLKInitTypeDef RCC_PeriphClkInit; - - /* Enable HSE Oscillator and activate PLL with HSE as source */ - RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; - RCC_OscInitStruct.HSEState = RCC_HSE_ON; - RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1; - RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; - RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; - RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9; - HAL_RCC_OscConfig(&RCC_OscInitStruct); - - /* Configures the USB clock */ - HAL_RCCEx_GetPeriphCLKConfig(&RCC_PeriphClkInit); - RCC_PeriphClkInit.USBClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5; - HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphClkInit); - - /* 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 Power Clock */ - __HAL_RCC_PWR_CLK_ENABLE(); -} - -void board_init(void) -{ - SystemClock_Config(); - - #if CFG_TUSB_OS == OPT_OS_NONE - // 1ms tick timer - SysTick_Config(SystemCoreClock / 1000); - #endif - - // Remap the USB interrupts - __HAL_RCC_SYSCFG_CLK_ENABLE(); - __HAL_REMAPINTERRUPT_USB_ENABLE(); - - // LED - __HAL_RCC_GPIOE_CLK_ENABLE(); - GPIO_InitTypeDef GPIO_InitStruct; - GPIO_InitStruct.Pin = LED_PIN; - GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; - GPIO_InitStruct.Pull = GPIO_PULLUP; - GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; - HAL_GPIO_Init(LED_PORT, &GPIO_InitStruct); - - // Button - __HAL_RCC_GPIOA_CLK_ENABLE(); - GPIO_InitStruct.Pin = BUTTON_PIN; - GPIO_InitStruct.Mode = GPIO_MODE_INPUT; - GPIO_InitStruct.Pull = GPIO_PULLDOWN; - GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; - HAL_GPIO_Init(BUTTON_PORT, &GPIO_InitStruct); - - /* Configure USB DM and DP pins */ - __HAL_RCC_GPIOA_CLK_ENABLE(); - GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12); - GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; - GPIO_InitStruct.Pull = GPIO_NOPULL; - GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; - GPIO_InitStruct.Alternate = GPIO_AF14_USB; - HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); - - // Enable USB clock - __HAL_RCC_USB_CLK_ENABLE(); -} - -//--------------------------------------------------------------------+ -// Board porting API -//--------------------------------------------------------------------+ - -void board_led_write(bool state) -{ - HAL_GPIO_WritePin(LED_PORT, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON)); -} - -uint32_t board_button_read(void) -{ - return BUTTON_STATE_ACTIVE == HAL_GPIO_ReadPin(BUTTON_PORT, BUTTON_PIN); -} - -int board_uart_read(uint8_t* buf, int len) -{ - (void) buf; (void) len; - return 0; -} - -int board_uart_write(void const * buf, int len) -{ - (void) buf; (void) len; - return 0; -} - -#if CFG_TUSB_OS == OPT_OS_NONE -volatile uint32_t system_ticks = 0; -void SysTick_Handler (void) -{ - system_ticks++; -} - -uint32_t board_millis(void) -{ - return system_ticks; -} -#endif - -void HardFault_Handler (void) -{ - asm("bkpt"); -} - -// Required by __libc_init_array in startup code if we are compiling using -// -nostdlib/-nostartfiles. -void _init(void) -{ - -} |