diff options
Diffstat (limited to 'tinyusb/hw/bsp/stm32h7/family.c')
-rwxr-xr-x | tinyusb/hw/bsp/stm32h7/family.c | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/tinyusb/hw/bsp/stm32h7/family.c b/tinyusb/hw/bsp/stm32h7/family.c new file mode 100755 index 00000000..2cbd8741 --- /dev/null +++ b/tinyusb/hw/bsp/stm32h7/family.c @@ -0,0 +1,287 @@ +/* + * 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 "stm32h7xx_hal.h" +#include "bsp/board.h" +#include "board.h" + +//--------------------------------------------------------------------+ +// Forward USB interrupt events to TinyUSB IRQ Handler +//--------------------------------------------------------------------+ + +// Despite being call USB2_OTG +// OTG_FS is marked as RHPort0 by TinyUSB to be consistent across stm32 port +void OTG_FS_IRQHandler(void) +{ + tud_int_handler(0); +} + +// Despite being call USB2_OTG +// OTG_HS is marked as RHPort1 by TinyUSB to be consistent across stm32 port +void OTG_HS_IRQHandler(void) +{ + tud_int_handler(1); +} + + +//--------------------------------------------------------------------+ +// MACRO TYPEDEF CONSTANT ENUM +//--------------------------------------------------------------------+ + +UART_HandleTypeDef UartHandle; + +void board_init(void) +{ + board_stm32h7_clock_init(); + + // Enable All GPIOs clocks + __HAL_RCC_GPIOA_CLK_ENABLE(); + __HAL_RCC_GPIOB_CLK_ENABLE(); // USB ULPI NXT + __HAL_RCC_GPIOC_CLK_ENABLE(); // USB ULPI NXT + __HAL_RCC_GPIOD_CLK_ENABLE(); + __HAL_RCC_GPIOE_CLK_ENABLE(); + __HAL_RCC_GPIOE_CLK_ENABLE(); + __HAL_RCC_GPIOG_CLK_ENABLE(); + __HAL_RCC_GPIOH_CLK_ENABLE(); // USB ULPI NXT + __HAL_RCC_GPIOI_CLK_ENABLE(); // USB ULPI NXT + __HAL_RCC_GPIOJ_CLK_ENABLE(); + + // Enable UART Clock + UART_CLK_EN(); + + // 1ms tick timer + SysTick_Config(SystemCoreClock / 1000); + +#if CFG_TUSB_OS == OPT_OS_FREERTOS + // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher ) + NVIC_SetPriority(OTG_FS_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY ); + NVIC_SetPriority(OTG_HS_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY ); +#endif + + GPIO_InitTypeDef GPIO_InitStruct; + + // LED + 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 + GPIO_InitStruct.Pin = BUTTON_PIN; + GPIO_InitStruct.Mode = GPIO_MODE_INPUT; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; + HAL_GPIO_Init(BUTTON_PORT, &GPIO_InitStruct); + + // Uart + GPIO_InitStruct.Pin = UART_TX_PIN | UART_RX_PIN; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_PULLUP; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; + GPIO_InitStruct.Alternate = UART_GPIO_AF; + HAL_GPIO_Init(UART_GPIO_PORT, &GPIO_InitStruct); + + UartHandle.Instance = UART_DEV; + 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; + HAL_UART_Init(&UartHandle); + +#if BOARD_DEVICE_RHPORT_NUM == 0 + // Despite being call USB2_OTG + // OTG_FS is marked as RHPort0 by TinyUSB to be consistent across stm32 port + // PA9 VUSB, PA10 ID, PA11 DM, PA12 DP + + /* Configure DM DP Pins */ + GPIO_InitStruct.Pin = GPIO_PIN_11 | GPIO_PIN_12; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Alternate = GPIO_AF10_OTG2_HS; + HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); + + /* This for ID line debug */ + GPIO_InitStruct.Pin = GPIO_PIN_10; + GPIO_InitStruct.Mode = GPIO_MODE_AF_OD; + GPIO_InitStruct.Pull = GPIO_PULLUP; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; + GPIO_InitStruct.Alternate = GPIO_AF10_OTG2_HS; + HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); + + // https://community.st.com/s/question/0D50X00009XkYZLSA3/stm32h7-nucleo-usb-fs-cdc + // TODO: Board init actually works fine without this line. + HAL_PWREx_EnableUSBVoltageDetector(); + __HAL_RCC_USB2_OTG_FS_CLK_ENABLE(); + +#if OTG_FS_VBUS_SENSE + /* 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); + + // Enable VBUS sense (B device) via pin PA9 + USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBDEN; +#else + // Disable VBUS sense (B device) via pin PA9 + USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_VBDEN; + + // B-peripheral session valid override enable + USB_OTG_FS->GOTGCTL |= USB_OTG_GOTGCTL_BVALOEN; + USB_OTG_FS->GOTGCTL |= USB_OTG_GOTGCTL_BVALOVAL; +#endif // vbus sense + +#elif BOARD_DEVICE_RHPORT_NUM == 1 + // Despite being call USB2_OTG + // OTG_HS is marked as RHPort1 by TinyUSB to be consistent across stm32 port + + /* CLK */ + GPIO_InitStruct.Pin = GPIO_PIN_5; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; + GPIO_InitStruct.Alternate = GPIO_AF10_OTG2_HS; + HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); + + /* D0 */ + GPIO_InitStruct.Pin = GPIO_PIN_3; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; + GPIO_InitStruct.Alternate = GPIO_AF10_OTG2_HS; + HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); + + /* D1 D2 D3 D4 D5 D6 D7 */ + GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_5 | GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Alternate = GPIO_AF10_OTG2_HS; + HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); + + /* STP */ + GPIO_InitStruct.Pin = GPIO_PIN_0; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Alternate = GPIO_AF10_OTG2_HS; + HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); + + /* NXT */ + GPIO_InitStruct.Pin = GPIO_PIN_4; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Alternate = GPIO_AF10_OTG2_HS; + HAL_GPIO_Init(GPIOH, &GPIO_InitStruct); + + /* DIR */ + GPIO_InitStruct.Pin = GPIO_PIN_11; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Alternate = GPIO_AF10_OTG2_HS; + HAL_GPIO_Init(GPIOI, &GPIO_InitStruct); + + // Enable USB HS & ULPI Clocks + __HAL_RCC_USB1_OTG_HS_ULPI_CLK_ENABLE(); + __HAL_RCC_USB1_OTG_HS_CLK_ENABLE(); + +#if OTG_HS_VBUS_SENSE + #error OTG HS VBUS Sense enabled is not implemented +#else + // No VBUS sense + USB_OTG_HS->GCCFG &= ~USB_OTG_GCCFG_VBDEN; + + // B-peripheral session valid override enable + USB_OTG_HS->GOTGCTL |= USB_OTG_GOTGCTL_BVALOEN; + USB_OTG_HS->GOTGCTL |= USB_OTG_GOTGCTL_BVALOVAL; +#endif + + // Force device mode + USB_OTG_HS->GUSBCFG &= ~USB_OTG_GUSBCFG_FHMOD; + USB_OTG_HS->GUSBCFG |= USB_OTG_GUSBCFG_FDMOD; + + HAL_PWREx_EnableUSBVoltageDetector(); +#endif // rhport = 1 + +} + +//--------------------------------------------------------------------+ +// 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)) ? 1 : 0; +} + +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) +{ + +} |