initial commit
This commit is contained in:
shell committed
commit
b44ce7bd77
2716 files changed
+559005
No files matched your search
+237
@@ -0,0 +1,237 @@
|
||||
/*
|
||||
* The MIT License (MIT)
|
||||
*
|
||||
* Copyright (c) 2019 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
|
||||
*/
|
||||
|
||||
#include "stm32f2xx_hal.h"
|
||||
#include "bsp/board_api.h"
|
||||
#include "common/tusb_fifo.h"
|
||||
#include "board.h"
|
||||
|
||||
#ifdef UART_ID
|
||||
#if UART_ID == 1
|
||||
#define USARTn USART1
|
||||
#define USARTn_IRQn USART1_IRQn
|
||||
#define USARTn_IRQHandler USART1_IRQHandler
|
||||
#define UARTn_CLK_ENABLE __HAL_RCC_USART1_CLK_ENABLE
|
||||
#elif UART_ID == 2
|
||||
#define USARTn USART2
|
||||
#define USARTn_IRQn USART2_IRQn
|
||||
#define USARTn_IRQHandler USART2_IRQHandler
|
||||
#define UARTn_CLK_ENABLE __HAL_RCC_USART2_CLK_ENABLE
|
||||
#elif UART_ID == 3
|
||||
#define USARTn USART3
|
||||
#define USARTn_IRQn USART3_IRQn
|
||||
#define USARTn_IRQHandler USART3_IRQHandler
|
||||
#define UARTn_CLK_ENABLE __HAL_RCC_USART3_CLK_ENABLE
|
||||
#endif
|
||||
#endif
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
// Forward USB interrupt events to TinyUSB IRQ Handler
|
||||
//--------------------------------------------------------------------+
|
||||
void OTG_FS_IRQHandler(void) {
|
||||
tusb_int_handler(0, true);
|
||||
}
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
// MACRO TYPEDEF CONSTANT ENUM
|
||||
//--------------------------------------------------------------------+
|
||||
#ifdef UART_ID
|
||||
static UART_HandleTypeDef UartHandle = {
|
||||
.Instance = USARTn,
|
||||
.Init = {
|
||||
.BaudRate = CFG_BOARD_UART_BAUDRATE,
|
||||
.WordLength = UART_WORDLENGTH_8B,
|
||||
.StopBits = UART_STOPBITS_1,
|
||||
.Parity = UART_PARITY_NONE,
|
||||
.HwFlowCtl = UART_HWCONTROL_NONE,
|
||||
.Mode = UART_MODE_TX_RX,
|
||||
.OverSampling = UART_OVERSAMPLING_16,
|
||||
}
|
||||
};
|
||||
|
||||
// RX ring buffer via RXNE interrupt
|
||||
static uint8_t uart_rx_ff_buf[32];
|
||||
static tu_fifo_t uart_rx_ff;
|
||||
|
||||
// F2 uses old USART IP (SR/DR)
|
||||
void USARTn_IRQHandler(void) {
|
||||
uint32_t sr = USARTn->SR;
|
||||
if (sr & USART_SR_RXNE) {
|
||||
uint8_t byte = (uint8_t) USARTn->DR;
|
||||
tu_fifo_write(&uart_rx_ff, &byte);
|
||||
}
|
||||
// Reading DR clears RXNE. OR is cleared by reading SR then DR (already done).
|
||||
}
|
||||
#endif
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
// MACRO TYPEDEF CONSTANT ENUM
|
||||
//--------------------------------------------------------------------+
|
||||
|
||||
// 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
|
||||
}
|
||||
|
||||
void board_init(void) {
|
||||
SystemClock_Config();
|
||||
|
||||
#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
|
||||
|
||||
all_rcc_clk_enable();
|
||||
|
||||
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);
|
||||
|
||||
board_led_write(false);
|
||||
|
||||
// Button
|
||||
GPIO_InitStruct.Pin = BUTTON_PIN;
|
||||
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
|
||||
GPIO_InitStruct.Pull = GPIO_PULLDOWN;
|
||||
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
|
||||
HAL_GPIO_Init(BUTTON_PORT, &GPIO_InitStruct);
|
||||
|
||||
/* 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();
|
||||
|
||||
#if CFG_TUD_ENABLED
|
||||
// Enable VBUS sense (B device) via pin PA9
|
||||
tud_configure_dwc2_t cfg = CFG_TUD_CONFIGURE_DWC2_DEFAULT;
|
||||
cfg.vbus_sensing = true;
|
||||
tud_configure(0, TUD_CFGID_DWC2, &cfg);
|
||||
#endif
|
||||
|
||||
#ifdef UART_ID
|
||||
HAL_UART_Init(&UartHandle);
|
||||
tu_fifo_config(&uart_rx_ff, uart_rx_ff_buf, sizeof(uart_rx_ff_buf), false);
|
||||
USARTn->CR1 |= USART_CR1_RXNEIE;
|
||||
NVIC_SetPriority(USARTn_IRQn, (1 << __NVIC_PRIO_BITS) - 1);
|
||||
NVIC_EnableIRQ(USARTn_IRQn);
|
||||
#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);
|
||||
}
|
||||
|
||||
int board_uart_read(uint8_t* buf, int len) {
|
||||
#ifdef UART_ID
|
||||
return (int) tu_fifo_read_n(&uart_rx_ff, buf, (uint16_t) len);
|
||||
#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 (UartHandle.Instance->SR & USART_SR_TXE) {
|
||||
UartHandle.Instance->DR = 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 #0\n");
|
||||
}
|
||||
|
||||
// Required by __libc_init_array in startup code if we are compiling using
|
||||
// -nostdlib/-nostartfiles.
|
||||
void _init(void) {
|
||||
}
|
||||
Reference in new issue
Block a user