diff options
Diffstat (limited to 'tinyusb/hw/bsp/stm32l4r5nucleo/stm32l4r5nucleo.c')
| -rwxr-xr-x | tinyusb/hw/bsp/stm32l4r5nucleo/stm32l4r5nucleo.c | 287 |
1 files changed, 0 insertions, 287 deletions
diff --git a/tinyusb/hw/bsp/stm32l4r5nucleo/stm32l4r5nucleo.c b/tinyusb/hw/bsp/stm32l4r5nucleo/stm32l4r5nucleo.c deleted file mode 100755 index bab66b55..00000000 --- a/tinyusb/hw/bsp/stm32l4r5nucleo/stm32l4r5nucleo.c +++ /dev/null @@ -1,287 +0,0 @@ -/* - * The MIT License (MIT) - * - * Copyright (c) 2019 William D. Jones (thor0505@comcast.net), - * Ha Thach (tinyusb.org) - * Uwe Bonnes (bon@elektron.ikp.physik.tu-darmstadt.de) - * - * 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 "stm32l4xx_hal.h" - -//--------------------------------------------------------------------+ -// Forward USB interrupt events to TinyUSB IRQ Handler -//--------------------------------------------------------------------+ -void OTG_FS_IRQHandler(void) -{ - tud_int_handler(0); -} - -//--------------------------------------------------------------------+ -// MACRO TYPEDEF CONSTANT ENUM -//--------------------------------------------------------------------+ - -#define LED_PORT GPIOB -#define LED_PIN GPIO_PIN_14 -#define LED_STATE_ON 1 - -#define BUTTON_PORT GPIOC -#define BUTTON_PIN GPIO_PIN_13 -#define BUTTON_STATE_ACTIVE 1 - -#define UARTx LPUART1 -#define UART_GPIO_PORT GPIOG -#define UART_GPIO_AF GPIO_AF8_LPUART1 -#define UART_TX_PIN GPIO_PIN_7 -#define UART_RX_PIN GPIO_PIN_8 - -UART_HandleTypeDef UartHandle; - -// enable all LED, Button, Uart, USB clock -static void all_rcc_clk_enable(void) -{ - __HAL_RCC_GPIOA_CLK_ENABLE(); // USB D+, D- - __HAL_RCC_GPIOB_CLK_ENABLE(); // LED - __HAL_RCC_GPIOC_CLK_ENABLE(); // Button - __HAL_RCC_GPIOG_CLK_ENABLE(); // Uart TX, RX - __HAL_RCC_LPUART1_CLK_ENABLE(); // LPUart1 module -} - -/** - * @brief System Clock Configuration - * The system Clock is configured as follow : - * System Clock source = PLL (MSI) - * SYSCLK(Hz) = 120000000 - * HCLK(Hz) = 120000000 - * AHB Prescaler = 1 - * APB1 Prescaler = 1 - * APB2 Prescaler = 1 - * MSI Frequency(Hz) = 48000000 - * PLL_M = 12 - * PLL_N = 60 - * PLL_P = 2 - * PLL_Q = 2 - * VDD(V) = 3.3 - * Main regulator output voltage = Scale1 mode - * Flash Latency(WS) = 5 - * The USB clock configuration from PLLSAI: - * PLLSAIP = 8 FIXME - * PLLSAIN = 384 FIXME - * PLLSAIQ = 7 FIXME - * @param None - * @retval None - */ -void SystemClock_Config(void) -{ - RCC_ClkInitTypeDef RCC_ClkInitStruct; - RCC_OscInitTypeDef RCC_OscInitStruct; - RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0}; - - /* Activate PLL with MSI , stabilizied via PLL by LSE */ - RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE | RCC_OSCILLATORTYPE_MSI; - RCC_OscInitStruct.MSIState = RCC_MSI_ON; - RCC_OscInitStruct.LSEState = RCC_LSE_ON; - RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_11; - RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT; - RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; - RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI; - RCC_OscInitStruct.PLL.PLLM = 12; - RCC_OscInitStruct.PLL.PLLN = 60; - RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2; - RCC_OscInitStruct.PLL.PLLQ = 2; - HAL_RCC_OscConfig(&RCC_OscInitStruct); - - /* Enable MSI Auto-calibration through LSE */ - HAL_RCCEx_EnableMSIPLLMode(); - - /* Select MSI output as USB clock source */ - PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USB; - PeriphClkInitStruct.UsbClockSelection = RCC_USBCLKSOURCE_MSI; - HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct); - - /* Select MSI output as USB clock source */ - PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LPUART1; - PeriphClkInitStruct.Lpuart1ClockSelection = RCC_LPUART1CLKSOURCE_PCLK1; - HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct); - - /* 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; - // Avoid overshoot and start with HCLK 60 MHz - RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV2; - RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; - RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2; - HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_3); - - /* AHB prescaler divider at 1 as second step */ - RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK; - RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; - HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5); -} - -void board_init(void) -{ - /* Enable Power Clock*/ - __HAL_RCC_PWR_CLK_ENABLE(); - /* Enable voltage range 1 boost mode for frequency above 80 Mhz */ - HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1_BOOST); - - /* Set tick interrupt priority, default HAL value is intentionally invalid - and that prevents PLL initialization in HAL_RCC_OscConfig() */ - - HAL_InitTick((1UL << __NVIC_PRIO_BITS) - 1UL); - - SystemClock_Config(); - all_rcc_clk_enable(); - -#if CFG_TUSB_OS == OPT_OS_NONE - // 1ms tick timer - SysTick_Config(SystemCoreClock / 1000); -#elif CFG_TUSB_OS == OPT_OS_FREERTOS - // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher ) - //NVIC_SetPriority(USB0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY ); -#endif - - /* Enable USB power on Pwrctrl CR2 register */ - HAL_PWREx_EnableVddUSB(); - - GPIO_InitTypeDef GPIO_InitStruct; - - // LED - GPIO_InitStruct.Pin = LED_PIN; - GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; - GPIO_InitStruct.Pull = GPIO_PULLUP; - HAL_GPIO_Init(LED_PORT, &GPIO_InitStruct); - - // Button - GPIO_InitStruct.Pin = BUTTON_PIN; - GPIO_InitStruct.Mode = GPIO_MODE_INPUT; - GPIO_InitStruct.Pull = GPIO_NOPULL; - HAL_GPIO_Init(BUTTON_PORT, &GPIO_InitStruct); - - // IOSV bit MUST be set to access GPIO port G[2:15] */ - __HAL_RCC_PWR_CLK_ENABLE(); - HAL_PWREx_EnableVddIO2(); - - // Uart - GPIO_InitStruct.Pin = UART_TX_PIN | UART_RX_PIN; - GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; - GPIO_InitStruct.Pull = GPIO_PULLUP; - GPIO_InitStruct.Alternate = UART_GPIO_AF; - HAL_GPIO_Init(UART_GPIO_PORT, &GPIO_InitStruct); - - UartHandle.Instance = UARTx; - UartHandle.Init.BaudRate = CFG_BOARD_UART_BAUDRATE; - UartHandle.Init.WordLength = UART_WORDLENGTH_8B; - UartHandle.Init.StopBits = UART_STOPBITS_1; - UartHandle.Init.Parity = UART_PARITY_NONE; - UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE; - UartHandle.Init.Mode = UART_MODE_TX_RX; - UartHandle.Init.OverSampling = UART_OVERSAMPLING_16; - UartHandle.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE; - UartHandle.Init.ClockPrescaler = UART_PRESCALER_DIV1; - UartHandle.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT; - - HAL_UART_Init(&UartHandle); - - /* Configure USB FS GPIOs */ - /* Configure DM DP Pins */ - 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_HIGH; - GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS; - HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); - - /* Configure VBUS Pin */ - GPIO_InitStruct.Pin = GPIO_PIN_9; - GPIO_InitStruct.Mode = GPIO_MODE_INPUT; - GPIO_InitStruct.Pull = GPIO_NOPULL; - HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); - - /* Configure ID pin */ - GPIO_InitStruct.Pin = GPIO_PIN_10; - GPIO_InitStruct.Mode = GPIO_MODE_AF_OD; - GPIO_InitStruct.Pull = GPIO_PULLUP; - GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS; - HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); - - /* Enable USB FS Clocks */ - __HAL_RCC_USB_OTG_FS_CLK_ENABLE(); - - // Enable VBUS sense (B device) via pin PA9 - USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBDEN; -} - -//--------------------------------------------------------------------+ -// 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) -{ - HAL_UART_Transmit(&UartHandle, (uint8_t*) buf, len, 0xffff); - return len; -} - -#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) -{ - -} |