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/*
* The MIT License (MIT)
*
* Copyright (c) 2022, Hongtai Liu <lht856@foxmail.com>
* 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.
*/
/* metadata:
manufacturer: STMicroelectronics
*/
// Suppress warning caused by mcu driver
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wundef"
#endif
#include "stm32u5xx_hal.h"
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
#include "bsp/board_api.h"
TU_ATTR_UNUSED static void Error_Handler(void) {
}
#include "board.h"
#ifdef UART_ID
#if UART_ID == 1
#define USARTn USART1
#define UARTn_CLK_ENABLE __HAL_RCC_USART1_CLK_ENABLE
#elif UART_ID == 2
#define USARTn USART2
#define UARTn_CLK_ENABLE __HAL_RCC_USART2_CLK_ENABLE
#elif UART_ID == 3
#define USARTn USART3
#define UARTn_CLK_ENABLE __HAL_RCC_USART3_CLK_ENABLE
#elif UART_ID == 11
#define USARTn LPUART1
#define UARTn_CLK_ENABLE __HAL_RCC_LPUART1_CLK_ENABLE
#endif
#endif
//--------------------------------------------------------------------+
// Forward USB interrupt events to TinyUSB IRQ Handler
//--------------------------------------------------------------------+
#ifdef USB_DRD_FS
void USB_IRQHandler(void) {
tusb_int_handler(0, true);
}
#endif
#ifdef USB_OTG_FS
void OTG_FS_IRQHandler(void) {
tusb_int_handler(0, true);
}
#endif
#ifdef USB_OTG_HS
void OTG_HS_IRQHandler(void) {
tusb_int_handler(0, true);
}
#endif
// USB PD
void UCPD1_IRQHandler(void) {
tuc_int_handler(0);
}
//--------------------------------------------------------------------+
// MACRO TYPEDEF CONSTANT ENUM
//--------------------------------------------------------------------+
#ifdef UART_ID
UART_HandleTypeDef UartHandle;
#endif
void board_init(void) {
// Init clock, implemented in board.h
SystemClock_Config();
SystemPower_Config();
// 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_GPIOE_CLK_ENABLE();
#ifdef GPIOF
__HAL_RCC_GPIOF_CLK_ENABLE();
#endif
__HAL_RCC_GPIOG_CLK_ENABLE();
__HAL_RCC_GPIOH_CLK_ENABLE();
/* Enable Instruction cache */
HAL_ICACHE_Enable();
#if CFG_TUSB_OS == OPT_OS_NONE
// 1ms tick timer
SysTick_Config(SystemCoreClock / 1000);
#elif CFG_TUSB_OS == OPT_OS_FREERTOS
// Explicitly disable systick to prevent its ISR from running before scheduler start
SysTick->CTRL &= ~1U;
#endif
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_PWREx_EnableVddIO2();
#ifdef UART_ID
// Uart
GPIO_InitStruct.Pin = UART_TX_PIN | UART_RX_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_MEDIUM;
GPIO_InitStruct.Alternate = UART_GPIO_AF;
HAL_GPIO_Init(UART_GPIO_PORT, &GPIO_InitStruct);
UARTn_CLK_ENABLE();
UartHandle.Instance = USARTn;
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);
HAL_UARTEx_EnableFifoMode(&UartHandle);
#endif
/* Configure USB 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_USB;
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_USB;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
#ifdef USB_DRD_FS
// STM32U535/STM32U545
/* Enable USB power on Pwrctrl CR2 register */
HAL_PWREx_EnableVddUSB();
/* USB clock enable */
__HAL_RCC_USB_FS_CLK_ENABLE();
#endif
#ifdef USB_OTG_FS
#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);
#endif
#if defined(OTG_FS_VBUS_SENSE) && OTG_FS_VBUS_SENSE
// Configure VBUS Pin OTG_FS_VBUS_SENSE
GPIO_InitStruct.Pin = GPIO_PIN_9;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
#endif // vbus sense
#if CFG_TUD_ENABLED
tud_configure_dwc2_t cfg = CFG_TUD_CONFIGURE_DWC2_DEFAULT;
cfg.vbus_sensing = VBUS_SENSE_EN;
tud_configure(0, TUD_CFGID_DWC2, &cfg);
#endif
/* Enable USB power on Pwrctrl CR2 register */
HAL_PWREx_EnableVddUSB();
/* USB clock enable */
__HAL_RCC_USB_OTG_FS_CLK_ENABLE();
#endif
#ifdef USB_OTG_HS
// STM59x/Ax/Fx/Gx only have 1 USB HS port
#if CFG_TUSB_OS == OPT_OS_FREERTOS
// If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
NVIC_SetPriority(OTG_HS_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
#endif
/* USB clock enable */
__HAL_RCC_USB_OTG_HS_CLK_ENABLE();
__HAL_RCC_USBPHYC_CLK_ENABLE();
/* Enable USB power on Pwrctrl CR2 register */
HAL_PWREx_EnableVddUSB();
HAL_PWREx_EnableUSBHSTranceiverSupply();
/*Configuring the SYSCFG registers OTG_HS PHY*/
HAL_SYSCFG_EnableOTGPHY(SYSCFG_OTG_HS_PHY_ENABLE);
#if CFG_TUD_ENABLED
tud_configure_dwc2_t cfg = CFG_TUD_CONFIGURE_DWC2_DEFAULT;
cfg.vbus_sensing = VBUS_SENSE_EN;
tud_configure(0, TUD_CFGID_DWC2, &cfg);
#endif
#endif // USB_OTG_FS
/* Non-standard VBus sense settings */
board_vbus_sense_init();
#if CFG_TUC_ENABLED
// USB PD
// Default CC1/CC2 is PA15/PB15
// Enable pwr for disabling dead battery feature in Power's CR3
__HAL_RCC_PWR_CLK_ENABLE();
__HAL_RCC_CRC_CLK_ENABLE();
__HAL_RCC_UCPD_CLK_ENABLE();
// Enable DMA for USB PD
__HAL_RCC_GPDMA1_CLK_ENABLE();
#ifdef UCPD_DBn_PIN
// Configure DBn pin
GPIO_InitStruct.Pin = UCPD_DBn_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(UCPD_DBn_PORT, &GPIO_InitStruct);
HAL_GPIO_WritePin(UCPD_DBn_PORT, UCPD_DBn_PIN, GPIO_PIN_SET);
#endif
#endif
}
//--------------------------------------------------------------------+
// Board porting API
//--------------------------------------------------------------------+
void board_led_write(bool state) {
GPIO_PinState pin_state = (GPIO_PinState) (state ? LED_STATE_ON : (1 - LED_STATE_ON));
HAL_GPIO_WritePin(LED_PORT, LED_PIN, pin_state);
}
uint32_t board_button_read(void) {
return BUTTON_STATE_ACTIVE == HAL_GPIO_ReadPin(BUTTON_PORT, BUTTON_PIN);
}
size_t board_get_unique_id(uint8_t id[], size_t max_len) {
(void) max_len;
volatile uint32_t *stm32_uuid = (volatile uint32_t *) UID_BASE;
uint32_t *id32 = (uint32_t *) (uintptr_t) id;
uint8_t const len = 12;
id32[0] = stm32_uuid[0];
id32[1] = stm32_uuid[1];
id32[2] = stm32_uuid[2];
return len;
}
int board_uart_read(uint8_t *buf, int len) {
#ifdef UART_ID
int count = 0;
while (count < len) {
if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE)) {
buf[count] = (uint8_t) UartHandle.Instance->RDR;
count++;
} else {
break;
}
}
return count;
#else
(void) buf; (void) len;
return 0;
#endif
}
int board_uart_write(void const *buf, int len) {
#ifdef UART_ID
const uint8_t *p = (const uint8_t *) buf;
int count = 0;
while (count < len) {
if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TXE)) {
UartHandle.Instance->TDR = p[count];
count++;
} else {
break;
}
}
return count;
#else
(void) buf; (void) len;
return -1;
#endif
}
#if CFG_TUSB_OS == OPT_OS_NONE
volatile uint32_t system_ticks = 0;
void SysTick_Handler(void) {
HAL_IncTick();
system_ticks++;
}
uint32_t tusb_time_millis_api(void) {
return system_ticks;
}
#endif
void HardFault_Handler(void) {
asm("bkpt 1");
}
// Required by __libc_init_array in startup code if we are compiling using
// -nostdlib/-nostartfiles.
void _init(void) {
}