initial commit

2026-10-11 21:48:59 +08:00
commit b44ce7bd77
@@ -0,0 +1,8 @@
+set(MCU_VARIANT stm32u575xx)
+set(JLINK_DEVICE stm32u575zi)
+
+function(update_board TARGET)
+  target_compile_definitions(${TARGET} PUBLIC
+    STM32U575xx
+    )
+endfunction()
@@ -0,0 +1,218 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2023, 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:
+   name: STM32 U575 Nucleo
+   url: https://www.st.com/en/evaluation-tools/nucleo-u575zi-q.html
+*/
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#include "stm32u5xx_ll_tim.h"
+
+// LED GREEN
+#define LED_PORT GPIOC
+#define LED_PIN GPIO_PIN_7
+#define LED_STATE_ON 1
+
+// BUTTON
+#define BUTTON_PORT GPIOA
+#define BUTTON_PIN GPIO_PIN_0
+#define BUTTON_STATE_ACTIVE 1
+
+// UART Enable for STLink VCOM
+#define UART_ID  11
+#define UART_GPIO_PORT GPIOG
+#define UART_GPIO_AF GPIO_AF8_LPUART1
+#define UART_TX_PIN GPIO_PIN_7
+#define UART_RX_PIN GPIO_PIN_8
+
+#define VBUS_SENSE_EN 0
+
+//--------------------------------------------------------------------+
+// RCC Clock
+//--------------------------------------------------------------------+
+
+static void SystemClock_Config(void) {
+  RCC_OscInitTypeDef RCC_OscInitStruct = { 0 };
+  RCC_ClkInitTypeDef RCC_ClkInitStruct = { 0 };
+  RCC_PeriphCLKInitTypeDef PeriphClkInit = { 0 };
+
+  /* Enable Power Clock */
+  __HAL_RCC_PWR_CLK_ENABLE();
+
+  /** Configure the main internal regulator output voltage
+   */
+  HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1);
+
+  /** Initializes the CPU, AHB and APB buses clocks
+  */
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48 | RCC_OSCILLATORTYPE_HSI;
+  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
+  RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
+  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
+  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
+  RCC_OscInitStruct.PLL.PLLMBOOST = RCC_PLLMBOOST_DIV1;
+  RCC_OscInitStruct.PLL.PLLM = 1;
+  RCC_OscInitStruct.PLL.PLLN = 10;
+  RCC_OscInitStruct.PLL.PLLP = 2;
+  RCC_OscInitStruct.PLL.PLLQ = 2;
+  RCC_OscInitStruct.PLL.PLLR = 1;
+  RCC_OscInitStruct.PLL.PLLRGE = RCC_PLLVCIRANGE_1;
+  RCC_OscInitStruct.PLL.PLLFRACN = 0;
+  HAL_RCC_OscConfig(&RCC_OscInitStruct);
+
+  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_CLK48;
+  PeriphClkInit.IclkClockSelection = RCC_CLK48CLKSOURCE_HSI48;
+
+  HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit);
+
+  /** Initializes the CPU, AHB and APB buses clocks
+   */
+  RCC_ClkInitStruct.ClockType =
+      RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2 | RCC_CLOCKTYPE_PCLK3;
+  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
+  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
+  RCC_ClkInitStruct.APB3CLKDivider = RCC_HCLK_DIV1;
+
+  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4);
+}
+
+static void SystemPower_Config(void) {
+}
+
+static inline void board_vbus_sense_init(void) {
+  /* ADC config */
+  GPIO_InitTypeDef GPIO_InitStruct = {0};
+  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
+  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADCDAC;
+  PeriphClkInit.AdcDacClockSelection = RCC_ADCDACCLKSOURCE_HSE;
+  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  __HAL_RCC_ADC12_CLK_ENABLE();
+  __HAL_RCC_GPIOC_CLK_ENABLE();
+  GPIO_InitStruct.Pin = GPIO_PIN_2;
+  GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
+
+  ADC_HandleTypeDef hadc1;
+  hadc1.Instance = ADC1;
+  hadc1.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;
+  hadc1.Init.Resolution = ADC_RESOLUTION_14B;
+  hadc1.Init.GainCompensation = 0;
+  hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
+  hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;
+  hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
+  hadc1.Init.LowPowerAutoWait = DISABLE;
+  hadc1.Init.ContinuousConvMode = DISABLE;
+  hadc1.Init.NbrOfConversion = 1;
+  hadc1.Init.DiscontinuousConvMode = DISABLE;
+  hadc1.Init.ExternalTrigConv = ADC_EXTERNALTRIG_T1_TRGO;
+  hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_RISING;
+  hadc1.Init.DMAContinuousRequests = DISABLE;
+  hadc1.Init.TriggerFrequencyMode = ADC_TRIGGER_FREQ_HIGH;
+  hadc1.Init.Overrun = ADC_OVR_DATA_OVERWRITTEN;
+  hadc1.Init.LeftBitShift = ADC_LEFTBITSHIFT_NONE;
+  hadc1.Init.ConversionDataManagement = ADC_CONVERSIONDATA_DR;
+  hadc1.Init.OversamplingMode = DISABLE;
+  if (HAL_ADC_Init(&hadc1) != HAL_OK) {
+    Error_Handler();
+  }
+
+  ADC_ChannelConfTypeDef sConfig = {0};
+  sConfig.Channel = ADC_CHANNEL_3;
+  sConfig.Rank = ADC_REGULAR_RANK_1;
+  sConfig.SamplingTime = ADC_SAMPLETIME_68CYCLES;
+  sConfig.SingleDiff = ADC_SINGLE_ENDED;
+  sConfig.OffsetNumber = ADC_OFFSET_NONE;
+  sConfig.Offset = 0;
+  if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) {
+    Error_Handler();
+  }
+  HAL_NVIC_EnableIRQ(ADC1_IRQn);
+
+  /* TIM1 init for TRGO */
+  __HAL_RCC_TIM1_CLK_ENABLE();
+  TIM_HandleTypeDef htim1;
+  TIM_ClockConfigTypeDef sClockSourceConfig = {0};
+  htim1.Instance = TIM1;
+  htim1.Init.Prescaler = 159;
+  htim1.Init.CounterMode = TIM_COUNTERMODE_UP;
+  htim1.Init.Period = 999;
+  htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
+  htim1.Init.RepetitionCounter = 0;
+  htim1.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
+  if (HAL_TIM_Base_Init(&htim1) != HAL_OK) {
+    Error_Handler();
+  }
+  sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
+  if (HAL_TIM_ConfigClockSource(&htim1, &sClockSourceConfig) != HAL_OK) {
+    Error_Handler();
+  }
+  LL_TIM_SetTriggerOutput(htim1.Instance, LL_TIM_TRGO_UPDATE);
+
+  HAL_ADCEx_Calibration_Start(&hadc1, ADC_CALIB_OFFSET, ADC_SINGLE_ENDED);
+  HAL_ADC_Start_IT(&hadc1);
+  HAL_TIM_Base_Start(&htim1);
+}
+
+void ADC1_IRQHandler(void) {
+  if(LL_ADC_IsActiveFlag_EOC(ADC1) != 0) {
+    /* Clear flag ADC group regular end of unitary conversion */
+    LL_ADC_ClearFlag_EOC(ADC1);
+    /* ADC code = 4.5V * R2 / (R1 + R2) * (2^14) / 3.3V
+     * with R1 = 330kOhm and R2 = 50kOhm
+     */
+    const uint32_t threshold = 4500 * 50 / (50 + 330) * 16384 / 3300;
+    if((ADC1->DR > threshold) && (USB_OTG_FS->GOTGCTL & USB_OTG_GOTGCTL_BVALOEN)) {
+      USB_OTG_FS->GOTGCTL |= USB_OTG_GOTGCTL_BVALOVAL;
+    } else {
+      USB_OTG_FS->GOTGCTL &= ~USB_OTG_GOTGCTL_BVALOVAL;
+    }
+  }
+  if(LL_ADC_IsActiveFlag_OVR(ADC1) != 0) {
+    /* Clear flag ADC group regular overrun */
+    LL_ADC_ClearFlag_OVR(ADC1);
+  }
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BOARD_H_ */
@@ -0,0 +1,9 @@
+MCU_VARIANT = stm32u575xx
+CFLAGS += \
+  -DSTM32U575xx \
+
+# All source paths should be relative to the top level.
+LD_FILE = ${FAMILY_PATH}/linker/STM32U575xx_FLASH.ld
+
+# For flash-jlink target
+JLINK_DEVICE = stm32u575zi