diff options
Diffstat (limited to 'tinyusb/hw/bsp/stm32f7/family.c')
| -rwxr-xr-x | tinyusb/hw/bsp/stm32f7/family.c | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/tinyusb/hw/bsp/stm32f7/family.c b/tinyusb/hw/bsp/stm32f7/family.c new file mode 100755 index 00000000..c0d32459 --- /dev/null +++ b/tinyusb/hw/bsp/stm32f7/family.c @@ -0,0 +1,306 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2019 William D. Jones (thor0505@comcast.net), + * Uwe Bonnes (bon@elektron.ikp.physik.tu-darmstadt.de), + * 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 "stm32f7xx_hal.h" +#include "bsp/board.h" +#include "board.h" + +//--------------------------------------------------------------------+ +// Forward USB interrupt events to TinyUSB IRQ Handler +//--------------------------------------------------------------------+ +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_clock_init(); + + // Enable All GPIOs clocks + __HAL_RCC_GPIOA_CLK_ENABLE(); + __HAL_RCC_GPIOB_CLK_ENABLE(); + __HAL_RCC_GPIOC_CLK_ENABLE(); + __HAL_RCC_GPIOD_CLK_ENABLE(); + __HAL_RCC_GPIOG_CLK_ENABLE(); + __HAL_RCC_GPIOH_CLK_ENABLE(); // ULPI NXT + __HAL_RCC_GPIOI_CLK_ENABLE(); // ULPI NXT + +#ifdef __HAL_RCC_GPIOJ_CLK_ENABLE + __HAL_RCC_GPIOJ_CLK_ENABLE(); +#endif + + UART_CLK_EN(); + +#if CFG_TUSB_OS == OPT_OS_NONE + // 1ms tick timer + SysTick_Config(SystemCoreClock / 1000); +#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 TX + GPIO_InitStruct.Pin = UART_TX_PIN; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_PULLUP; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; + GPIO_InitStruct.Alternate = UART_GPIO_AF; + HAL_GPIO_Init(UART_TX_PORT, &GPIO_InitStruct); + + // Uart RX + GPIO_InitStruct.Pin = UART_RX_PIN; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_PULLUP; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; + GPIO_InitStruct.Alternate = UART_GPIO_AF; + HAL_GPIO_Init(UART_RX_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 + // OTG_FS + + /* 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 OTG-FS 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(); + +#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 + +#else + // OTG_HS + + #ifdef USB_HS_PHYC + // MCU with built-in HS PHY such as F723, F733, F730 + + /* Configure DM DP Pins */ + GPIO_InitStruct.Pin = (GPIO_PIN_14 | GPIO_PIN_15); + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; + GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS; + HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); + + // Enable HS VBUS sense (B device) via pin PB13 + USB_OTG_HS->GCCFG |= USB_OTG_GCCFG_VBDEN; + + /* Configure OTG-HS ID pin */ + GPIO_InitStruct.Pin = GPIO_PIN_13; + GPIO_InitStruct.Mode = GPIO_MODE_AF_OD; + GPIO_InitStruct.Pull = GPIO_PULLUP; + GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS; + HAL_GPIO_Init(GPIOD, &GPIO_InitStruct); + + /* Enable PHYC Clocks */ + __HAL_RCC_OTGPHYC_CLK_ENABLE(); + + #else + // MUC with external ULPI PHY + + /* ULPI 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_HIGH; + GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS; + HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); + + /* ULPI 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_HIGH; + GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS; + HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); + + /* ULPI D1 D2 D3 D4 D5 D6 D7 */ + GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_5; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS; + HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); + + /* ULPI STP */ + GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_2; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Alternate = GPIO_AF10_OTG_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_OTG_HS; + HAL_GPIO_Init(GPIOH, &GPIO_InitStruct); + + /* ULPI DIR */ + GPIO_InitStruct.Pin = GPIO_PIN_11; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS; + HAL_GPIO_Init(GPIOI, &GPIO_InitStruct); + #endif // USB_HS_PHYC + + // Enable USB HS & ULPI Clocks + __HAL_RCC_USB_OTG_HS_ULPI_CLK_ENABLE(); + __HAL_RCC_USB_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; + +#endif // BOARD_DEVICE_RHPORT_NUM + +} + +//--------------------------------------------------------------------+ +// 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 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) +{ + +} |