9 files changed, 120 insertions, 185 deletions
diff --git a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
index f5a8beb65..ba05818b6 100644
--- a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
+++ b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
@@ -1,30 +1,9 @@
 /*
- * The MIT License (MIT)
- *
- * Copyright (c) 2019 Nathan Conrad
- *
- * Portions:
- * Copyright (c) 2019 Ha Thach (tinyusb.org)
- * Copyright (c) 2022 Simon Küppers (skuep)
- * Copyright (c) 2022 HiFiPhile
- *
- * 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.
+ * SPDX-FileCopyrightText: Copyright (c) 2019 Nathan Conrad
+ * SPDX-FileCopyrightText: Copyright (c) 2019 Ha Thach (tinyusb.org)
+ * SPDX-FileCopyrightText: Copyright (c) 2022 Simon Küppers (skuep)
+ * SPDX-FileCopyrightText: Copyright (c) 2022 HiFiPhile (Zixun LI)
+ * SPDX-License-Identifier: MIT
  *
  * This file is part of the TinyUSB stack.
  */
@@ -856,7 +835,17 @@ void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr) {
   ep_reg &= U_EPREG_MASK | EP_STAT_MASK(dir) | EP_DTOG_MASK(dir);
 
   if (!ep_is_iso(ep_reg)) {
-    ep_change_status(&ep_reg, dir, EP_STAT_NAK);
+    // Only knock a genuinely STALLED endpoint down to NAK (the class then re-arms it). If the
+    // endpoint is armed (VALID) - e.g. a clear-halt used purely to reset the data toggle, as in
+    // usbtest case 29 - leave STAT untouched so the in-flight transfer isn't disarmed with no
+    // completion, which would leak the usbd claim and starve the endpoint. Masking the STAT bits
+    // to 0 writes no toggle, so an armed/idle endpoint keeps its current status.
+    const uint8_t stat_pos = (uint8_t) (U_EPTX_STAT_Pos + (dir == TUSB_DIR_IN ? 0u : 8u));
+    if (((ep_reg >> stat_pos) & 0x3u) == EP_STAT_STALL) {
+      ep_change_status(&ep_reg, dir, EP_STAT_NAK);
+    } else {
+      ep_reg &= ~EP_STAT_MASK(dir);
+    }
   }
   ep_change_dtog(&ep_reg, dir, 0); // Reset to DATA0
   ep_write(ep_idx, ep_reg, true);
diff --git a/src/portable/st/stm32_fsdev/fsdev_apm32.h b/src/portable/st/stm32_fsdev/fsdev_apm32.h
new file mode 100644
index 000000000..5031445e8
--- /dev/null
+++ b/src/portable/st/stm32_fsdev/fsdev_apm32.h
@@ -0,0 +1,77 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2024, hathach (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.
+ *
+ */
+#ifndef TUSB_FSDEV_APM32_H
+#define TUSB_FSDEV_APM32_H
+
+#include "common/tusb_compiler.h"
+
+#if CFG_TUSB_MCU == OPT_MCU_APM32F0XX
+  #include "apm32f0xx.h"
+#endif
+
+#define FSDEV_USE_SBUF_ISO 0
+#define FSDEV_REG_BASE  ((uint32_t)(USBD_BASE))
+#define FSDEV_PMA_BASE  ((uint32_t)(USBD_BASE + 0x400UL))
+
+#ifndef CFG_TUD_FSDEV_DOUBLE_BUFFERED_ISO_EP
+  #define CFG_TUD_FSDEV_DOUBLE_BUFFERED_ISO_EP 0
+#endif
+
+//--------------------------------------------------------------------+
+//
+//--------------------------------------------------------------------+
+
+static const IRQn_Type fsdev_irq[] = {
+  USBD_IRQn
+};
+enum { FSDEV_IRQ_NUM = TU_ARRAY_SIZE(fsdev_irq) };
+
+TU_ATTR_ALWAYS_INLINE static inline void fsdev_int_enable(uint8_t rhport) {
+  (void)rhport;
+  for (uint8_t i = 0; i < FSDEV_IRQ_NUM; i++) {
+    NVIC_EnableIRQ(fsdev_irq[i]);
+  }
+}
+
+TU_ATTR_ALWAYS_INLINE static inline void fsdev_int_disable(uint8_t rhport) {
+  (void)rhport;
+  for (uint8_t i = 0; i < FSDEV_IRQ_NUM; i++) {
+    NVIC_DisableIRQ(fsdev_irq[i]);
+  }
+}
+
+TU_ATTR_ALWAYS_INLINE static inline void fsdev_disconnect(uint8_t rhport) {
+  (void) rhport;
+  FSDEV_REG->CNTR |= U_CNTR_PDWN;
+  FSDEV_REG->BCDR &= ~U_BCDR_DPPU;
+}
+
+TU_ATTR_ALWAYS_INLINE static inline void fsdev_connect(uint8_t rhport) {
+  (void) rhport;
+  FSDEV_REG->CNTR &= ~U_CNTR_PDWN;
+  FSDEV_REG->BCDR |= U_BCDR_DPPU;
+}
+
+#endif
diff --git a/src/portable/st/stm32_fsdev/fsdev_at32.h b/src/portable/st/stm32_fsdev/fsdev_at32.h
index 107884370..9138dc101 100644
--- a/src/portable/st/stm32_fsdev/fsdev_at32.h
+++ b/src/portable/st/stm32_fsdev/fsdev_at32.h
@@ -1,26 +1,6 @@
 /*
-* The MIT License (MIT)
- *
- * Copyright (c) 2024, hathach (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.
- *
+ * SPDX-FileCopyrightText: Copyright (c) 2024, Ha Thach (tinyusb.org)
+ * SPDX-License-Identifier: MIT
  */
 #ifndef TUSB_FSDEV_AT32_H
 #define TUSB_FSDEV_AT32_H
@@ -37,7 +17,7 @@
 
 #define FSDEV_USE_SBUF_ISO 0
 #define FSDEV_REG_BASE  (APB1PERIPH_BASE + 0x00005C00UL)
-#define FSDEV_PMA_BASE  (APB1PERIPH_BASE + 0x00006000UL)
+#define FSDEV_PMA_BASE  (APB1PERIPH_BASE + 0x00007800UL)
 
 #ifndef CFG_TUD_FSDEV_DOUBLE_BUFFERED_ISO_EP
   #define CFG_TUD_FSDEV_DOUBLE_BUFFERED_ISO_EP 0
diff --git a/src/portable/st/stm32_fsdev/fsdev_ch32.h b/src/portable/st/stm32_fsdev/fsdev_ch32.h
index b92bf3f58..2c13554d4 100644
--- a/src/portable/st/stm32_fsdev/fsdev_ch32.h
+++ b/src/portable/st/stm32_fsdev/fsdev_ch32.h
@@ -1,26 +1,6 @@
 /*
-* The MIT License (MIT)
- *
- * Copyright (c) 2024, hathach (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.
- *
+ * SPDX-FileCopyrightText: Copyright (c) 2024, Ha Thach (tinyusb.org)
+ * SPDX-License-Identifier: MIT
  */
 /** <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
   * All rights reserved.</center></h2>
diff --git a/src/portable/st/stm32_fsdev/fsdev_common.c b/src/portable/st/stm32_fsdev/fsdev_common.c
index 7c4572a1e..9c9233d12 100644
--- a/src/portable/st/stm32_fsdev/fsdev_common.c
+++ b/src/portable/st/stm32_fsdev/fsdev_common.c
@@ -1,26 +1,7 @@
 /*
- * The MIT License (MIT)
- *
- * Copyright (c) 2024 Ha Thach (tinyusb.org)
- * Copyright (c) 2025, HiFiPhile (Zixun LI)
- *
- * 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.
+ * SPDX-FileCopyrightText: Copyright (c) 2024 Ha Thach (tinyusb.org)
+ * SPDX-FileCopyrightText: Copyright (c) 2025, HiFiPhile (Zixun LI)
+ * SPDX-License-Identifier: MIT
  *
  * This file is part of the TinyUSB stack.
  */
@@ -52,6 +33,11 @@ void fsdev_core_reset(void) {
 
   // Clear pending interrupts
   FSDEV_REG->ISTR = 0;
+
+  #if (CFG_TUSB_MCU == OPT_MCU_AT32F403A_407) || (CFG_TUSB_MCU == OPT_MCU_AT32F413)
+  // Enable larger PMA area
+  CRM->misc1_bit.usbbufs = 1;
+  #endif
 }
 
 // De-initialize the USB Core
diff --git a/src/portable/st/stm32_fsdev/fsdev_common.h b/src/portable/st/stm32_fsdev/fsdev_common.h
index af84b8b97..00d9b513a 100644
--- a/src/portable/st/stm32_fsdev/fsdev_common.h
+++ b/src/portable/st/stm32_fsdev/fsdev_common.h
@@ -1,27 +1,8 @@
 /*
- * The MIT License (MIT)
- *
- * Copyright (c) N Conrad
- * Copyright (c) 2024, hathach (tinyusb.org)
- * Copyright (c) 2025, HiFiPhile (Zixun LI)
- *
- * 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.
+ * SPDX-FileCopyrightText: Copyright (c) 2019 Nathan Conrad
+ * SPDX-FileCopyrightText: Copyright (c) 2024, Ha Thach (tinyusb.org)
+ * SPDX-FileCopyrightText: Copyright (c) 2025, HiFiPhile (Zixun LI)
+ * SPDX-License-Identifier: MIT
  *
  * This file is part of the TinyUSB stack.
  */
@@ -303,6 +284,8 @@ typedef struct {
   #include "fsdev_ch32.h"
 #elif defined(TUP_USBIP_FSDEV_AT32)
   #include "fsdev_at32.h"
+#elif defined(TUP_USBIP_FSDEV_APM32)
+  #include "fsdev_apm32.h"
 #else
   #error "Unknown USB IP"
 #endif
diff --git a/src/portable/st/stm32_fsdev/fsdev_stm32.h b/src/portable/st/stm32_fsdev/fsdev_stm32.h
index 93cdac808..23e24752b 100644
--- a/src/portable/st/stm32_fsdev/fsdev_stm32.h
+++ b/src/portable/st/stm32_fsdev/fsdev_stm32.h
@@ -1,30 +1,7 @@
 /*
- * The MIT License (MIT)
- *
- * Copyright(c) N Conrad
- * Copyright (c) 2019 Ha Thach (tinyusb.org)
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *   1. Redistributions of source code must retain the above copyright notice,
- *      this list of conditions and the following disclaimer.
- *   2. Redistributions in binary form must reproduce the above copyright notice,
- *      this list of conditions and the following disclaimer in the documentation
- *      and/or other materials provided with the distribution.
- *   3. Neither the name of STMicroelectronics nor the names of its contributors
- *      may be used to endorse or promote products derived from this software
- *      without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * SPDX-FileCopyrightText: Copyright (c) 2019 Nathan Conrad
+ * SPDX-FileCopyrightText: Copyright (c) 2019 Ha Thach (tinyusb.org)
+ * SPDX-License-Identifier: MIT
  *
  * This file is part of the TinyUSB stack.
  */
diff --git a/src/portable/st/stm32_fsdev/hcd_stm32_fsdev.c b/src/portable/st/stm32_fsdev/hcd_stm32_fsdev.c
index f9201651a..1e84ed283 100644
--- a/src/portable/st/stm32_fsdev/hcd_stm32_fsdev.c
+++ b/src/portable/st/stm32_fsdev/hcd_stm32_fsdev.c
@@ -1,25 +1,7 @@
 /*
- * The MIT License (MIT)
- *
- * Copyright (c) 2025 HiFiPhile (Zixun LI)
- *
- * 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.
+ * SPDX-FileCopyrightText: Copyright (c) 2025 HiFiPhile (Zixun LI)
+ * SPDX-FileCopyrightText: Copyright (c) 2025 Ha Thach (tinyusb.org)
+ * SPDX-License-Identifier: MIT
  *
  * This file is part of the TinyUSB stack.
  */
diff --git a/src/portable/st/typec/typec_stm32.c b/src/portable/st/typec/typec_stm32.c
index b4288968f..8ac9f148c 100644
--- a/src/portable/st/typec/typec_stm32.c
+++ b/src/portable/st/typec/typec_stm32.c
@@ -1,25 +1,6 @@
 /*
- * 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.
+ * SPDX-FileCopyrightText: Copyright (c) 2023 Ha Thach (tinyusb.org)
+ * SPDX-License-Identifier: MIT
  */
 
 #include "tusb_option.h"