Squashed 'third_party/pico-sdk/lib/tinyusb/' content from commit 868948f67c
Change-Id: I5d33c2566dd597be9d4b1c30d4b3723c5ef4a265
git-subtree-dir: third_party/pico-sdk/lib/tinyusb
git-subtree-split: 868948f67c90fa7c2553cdcd604b52862cf55720
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/hw/bsp/stm32f0/family.c b/hw/bsp/stm32f0/family.c
new file mode 100644
index 0000000..8de3147
--- /dev/null
+++ b/hw/bsp/stm32f0/family.c
@@ -0,0 +1,182 @@
+/*
+ * 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.
+ */
+
+#include "stm32f0xx_hal.h"
+#include "bsp/board.h"
+#include "board.h"
+
+//--------------------------------------------------------------------+
+// Forward USB interrupt events to TinyUSB IRQ Handler
+//--------------------------------------------------------------------+
+void USB_IRQHandler(void)
+{
+ tud_int_handler(0);
+}
+
+//--------------------------------------------------------------------+
+// MACRO TYPEDEF CONSTANT ENUM
+//--------------------------------------------------------------------+
+UART_HandleTypeDef UartHandle;
+
+void board_init(void)
+{
+ board_stm32f0_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_GPIOF_CLK_ENABLE();
+
+ // Enable UART Clock
+ UART_CLK_EN();
+
+#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 runs before scheduler start
+ SysTick->CTRL &= ~1U;
+
+ // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
+ NVIC_SetPriority(USB_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
+#endif
+
+ // LED
+ GPIO_InitTypeDef GPIO_InitStruct;
+ 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_PULLDOWN;
+ 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_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);
+
+ // USB Pins
+ // Configure USB DM and DP pins. This is optional, and maintained only for user guidance.
+ GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12);
+ GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+ // USB Clock enable
+ __HAL_RCC_USB_CLK_ENABLE();
+}
+
+//--------------------------------------------------------------------+
+// 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);
+}
+
+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*)(uintptr_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");
+}
+
+#ifdef USE_FULL_ASSERT
+/**
+ * @brief Reports the name of the source file and the source line number
+ * where the assert_param error has occurred.
+ * @param file: pointer to the source file name
+ * @param line: assert_param error line source number
+ * @retval None
+ */
+void assert_failed(uint8_t* file, uint32_t line)
+{
+ (void) file; (void) line;
+ /* USER CODE BEGIN 6 */
+ /* User can add his own implementation to report the file name and line number,
+ tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
+ /* USER CODE END 6 */
+}
+#endif /* USE_FULL_ASSERT */
+
+// Required by __libc_init_array in startup code if we are compiling using
+// -nostdlib/-nostartfiles.
+void _init(void)
+{
+
+}