226 lines
6.4 KiB
C
226 lines
6.4 KiB
C
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 William D. Jones (thor0505@comcast.net),
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* Ha Thach (tinyusb.org)
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* Uwe Bonnes (bon@elektron.ikp.physik.tu-darmstadt.de)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* This file is part of the TinyUSB stack.
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*/
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#include "stm32l4xx_hal.h"
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#include "bsp/board.h"
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#include "board.h"
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//--------------------------------------------------------------------+
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// Forward USB interrupt events to TinyUSB IRQ Handler
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//--------------------------------------------------------------------+
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#if defined(USB_OTG_FS)
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void OTG_FS_IRQHandler(void)
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#else
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void USB_IRQHandler(void)
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#endif
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{
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tud_int_handler(0);
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}
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//--------------------------------------------------------------------+
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// MACRO TYPEDEF CONSTANT ENUM
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//--------------------------------------------------------------------+
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UART_HandleTypeDef UartHandle;
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void board_init(void)
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{
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board_clock_init();
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// Enable All GPIOs clocks
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOD_CLK_ENABLE();
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#if defined(GPIOE)
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__HAL_RCC_GPIOE_CLK_ENABLE();
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#endif
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#if defined(GPIOF)
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__HAL_RCC_GPIOF_CLK_ENABLE();
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#endif
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#if defined(GPIOG)
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__HAL_RCC_GPIOG_CLK_ENABLE();
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#endif
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__HAL_RCC_GPIOH_CLK_ENABLE();
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UART_CLK_EN();
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#if CFG_TUSB_OS == OPT_OS_NONE
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// 1ms tick timer
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SysTick_Config(SystemCoreClock / 1000);
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#elif CFG_TUSB_OS == OPT_OS_FREERTOS
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// If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
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#if defined(USB_OTG_FS)
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NVIC_SetPriority(OTG_FS_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
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#else
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NVIC_SetPriority(USB_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
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#endif
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#endif
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/* Enable USB power on Pwrctrl CR2 register */
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/* Enable Power Clock*/
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__HAL_RCC_PWR_CLK_ENABLE();
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#if defined(PWR_CR5_R1MODE)
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/* Enable voltage range 1 boost mode for frequency above 80 Mhz */
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HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1_BOOST);
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#endif
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/* Enable USB power on Pwrctrl CR2 register */
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HAL_PWREx_EnableVddUSB();
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GPIO_InitTypeDef GPIO_InitStruct;
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// LED
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GPIO_InitStruct.Pin = LED_PIN;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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HAL_GPIO_Init(LED_PORT, &GPIO_InitStruct);
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// Button
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GPIO_InitStruct.Pin = BUTTON_PIN;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(BUTTON_PORT, &GPIO_InitStruct);
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// IOSV bit MUST be set to access GPIO port G[2:15] */
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__HAL_RCC_PWR_CLK_ENABLE();
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#if defined(PWR_CR2_IOSV)
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HAL_PWREx_EnableVddIO2();
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#endif
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// Uart
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GPIO_InitStruct.Pin = UART_TX_PIN | UART_RX_PIN;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Alternate = UART_GPIO_AF;
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HAL_GPIO_Init(UART_GPIO_PORT, &GPIO_InitStruct);
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UartHandle.Instance = UART_DEV;
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UartHandle.Init.BaudRate = CFG_BOARD_UART_BAUDRATE;
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UartHandle.Init.WordLength = UART_WORDLENGTH_8B;
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UartHandle.Init.StopBits = UART_STOPBITS_1;
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UartHandle.Init.Parity = UART_PARITY_NONE;
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UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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UartHandle.Init.Mode = UART_MODE_TX_RX;
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UartHandle.Init.OverSampling = UART_OVERSAMPLING_16;
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UartHandle.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
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//UartHandle.Init.ClockPrescaler = UART_PRESCALER_DIV1;
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UartHandle.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
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HAL_UART_Init(&UartHandle);
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/* Configure USB FS GPIOs */
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/* Configure DM DP Pins */
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GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12);
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
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#if defined(USB_OTG_FS)
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GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS;
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#else
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GPIO_InitStruct.Alternate = GPIO_AF10_USB_FS;
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#endif
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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#if defined(USB_OTG_FS)
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/* Configure VBUS Pin */
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GPIO_InitStruct.Pin = GPIO_PIN_9;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* Configure ID pin */
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GPIO_InitStruct.Pin = GPIO_PIN_10;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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#endif
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/* Enable USB FS Clocks */
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#if defined(USB_OTG_FS)
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__HAL_RCC_USB_OTG_FS_CLK_ENABLE();
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board_vbus_sense_init();
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#else
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__HAL_RCC_USB_CLK_ENABLE();
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#endif
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}
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//--------------------------------------------------------------------+
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// Board porting API
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//--------------------------------------------------------------------+
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void board_led_write(bool state)
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{
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HAL_GPIO_WritePin(LED_PORT, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
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}
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uint32_t board_button_read(void)
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{
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return BUTTON_STATE_ACTIVE == HAL_GPIO_ReadPin(BUTTON_PORT, BUTTON_PIN);
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}
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int board_uart_read(uint8_t* buf, int len)
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{
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(void) buf; (void) len;
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return 0;
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}
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int board_uart_write(void const * buf, int len)
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{
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HAL_UART_Transmit(&UartHandle, (uint8_t*)(uintptr_t) buf, len, 0xffff);
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return len;
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}
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#if CFG_TUSB_OS == OPT_OS_NONE
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volatile uint32_t system_ticks = 0;
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void SysTick_Handler (void)
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{
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system_ticks++;
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}
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uint32_t board_millis(void)
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{
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return system_ticks;
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}
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#endif
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void HardFault_Handler (void)
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{
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asm("bkpt 0x10");
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}
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// Required by __libc_init_array in startup code if we are compiling using
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// -nostdlib/-nostartfiles.
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void _init(void)
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{
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}
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