diff --git a/Kconfig b/Kconfig
index 811676a7..0084b833 100644
--- a/Kconfig
+++ b/Kconfig
@@ -40,6 +40,8 @@ if CHERRYUSB
bool "dwc2_at"
config CHERRYUSB_DEVICE_DWC2_HC
bool "dwc2_hc"
+ config CHERRYUSB_DEVICE_DWC2_NATION
+ bool "dwc2_nation"
config CHERRYUSB_DEVICE_DWC2_GD
bool "dwc2_gd"
config CHERRYUSB_DEVICE_DWC2_CUSTOM
@@ -199,6 +201,8 @@ if CHERRYUSB
bool "dwc2_kendryte"
config CHERRYUSB_HOST_DWC2_HC
bool "dwc2_hc"
+ config CHERRYUSB_HOST_DWC2_NATION
+ bool "dwc2_nation"
config CHERRYUSB_HOST_DWC2_CUSTOM
bool "dwc2_custom"
config CHERRYUSB_HOST_MUSB_ES
diff --git a/Kconfig.rtt b/Kconfig.rtt
index 75681edf..4c1586e2 100644
--- a/Kconfig.rtt
+++ b/Kconfig.rtt
@@ -40,6 +40,8 @@ if RT_USING_CHERRYUSB
bool "dwc2_at"
config RT_CHERRYUSB_DEVICE_DWC2_HC
bool "dwc2_hc"
+ config RT_CHERRYUSB_DEVICE_DWC2_NATION
+ bool "dwc2_nation"
config RT_CHERRYUSB_DEVICE_DWC2_GD
bool "dwc2_gd"
config RT_CHERRYUSB_DEVICE_DWC2_CUSTOM
@@ -203,6 +205,8 @@ if RT_USING_CHERRYUSB
bool "dwc2_kendryte"
config RT_CHERRYUSB_HOST_DWC2_HC
bool "dwc2_hc"
+ config RT_CHERRYUSB_HOST_DWC2_NATION
+ bool "dwc2_nation"
config RT_CHERRYUSB_HOST_DWC2_CUSTOM
bool "dwc2_custom"
config RT_CHERRYUSB_HOST_MUSB_ES
diff --git a/Kconfig.rttpkg b/Kconfig.rttpkg
index 74c99aae..2e328b85 100644
--- a/Kconfig.rttpkg
+++ b/Kconfig.rttpkg
@@ -41,6 +41,8 @@ if PKG_USING_CHERRYUSB
bool "dwc2_at"
config PKG_CHERRYUSB_DEVICE_DWC2_HC
bool "dwc2_hc"
+ config PKG_CHERRYUSB_DEVICE_DWC2_NATION
+ bool "dwc2_nation"
config PKG_CHERRYUSB_DEVICE_DWC2_GD
bool "dwc2_gd"
config PKG_CHERRYUSB_DEVICE_DWC2_CUSTOM
@@ -202,6 +204,8 @@ if PKG_USING_CHERRYUSB
bool "dwc2_kendryte"
config PKG_CHERRYUSB_HOST_DWC2_HC
bool "dwc2_hc"
+ config PKG_CHERRYUSB_HOST_DWC2_NATION
+ bool "dwc2_nation"
config PKG_CHERRYUSB_HOST_DWC2_CUSTOM
bool "dwc2_custom"
config PKG_CHERRYUSB_HOST_MUSB_ES
diff --git a/README.md b/README.md
index a7c85d2c..6c8ddfa7 100644
--- a/README.md
+++ b/README.md
@@ -194,6 +194,7 @@ TODO
|Espressif | esp32s2/esp32s3/esp32p4 | dwc2 |[esp32_repo](https://github.com/CherryUSB/cherryusb_esp32)|<= latest | Long-term |
|NXP | mcx | kinetis/chipidea/ehci |[nxp_mcx_repo](https://github.com/CherryUSB/cherryusb_mcx)|<= latest | Long-term |
|Kendryte | k230 | dwc2 |[k230_repo](https://github.com/CherryUSB/k230_sdk)|v1.2.0 | Long-term |
+|Nationstech | n32h4x | dwc2 |[nation_repo](https://github.com/CherryUSB/cherryusb_nation)|>=1.5.0 | Long-term |
|Raspberry pi | rp2040/rp2350 | rp2040 |[pico-examples](https://github.com/CherryUSB/pico-examples)|<= latest | Long-term |
|AllwinnerTech | F1C100S/F1C200S | musb |[cherryusb_rtt_f1c100s](https://github.com/CherryUSB/cherryusb_rtt_f1c100s)|<= latest | the same with musb |
|Bekencorp | bk7256/bk7258 | musb |[bk_idk](https://github.com/CherryUSB/bk_idk)| v0.7.0 | the same with musb |
@@ -221,3 +222,4 @@ CherryUSB discord: https://discord.com/invite/wFfvrSAey8.
Thanks to the following companies for their support (in no particular order):
+
diff --git a/README_zh.md b/README_zh.md
index 45554a53..4afcb995 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -194,6 +194,7 @@ TODO
|Espressif | esp32s2/esp32s3/esp32p4 | dwc2 |[esp32_repo](https://github.com/CherryUSB/cherryusb_esp32)|<= latest | Long-term |
|NXP | mcx | kinetis/chipidea/ehci |[nxp_mcx_repo](https://github.com/CherryUSB/cherryusb_mcx)|<= latest | Long-term |
|Kendryte | k230 | dwc2 |[k230_repo](https://github.com/CherryUSB/k230_sdk)|v1.2.0 | Long-term |
+|Nationstech | n32h4x | dwc2 |[nation_repo](https://github.com/CherryUSB/cherryusb_nation)|>=1.5.0 | Long-term |
|Raspberry pi | rp2040/rp2350 | rp2040 |[pico-examples](https://github.com/CherryUSB/pico-examples)|<= latest | Long-term |
|AllwinnerTech | F1C100S/F1C200S | musb |[cherryusb_rtt_f1c100s](https://github.com/CherryUSB/cherryusb_rtt_f1c100s)|<= latest | the same with musb |
|Bekencorp | bk7256/bk7258 | musb |[bk_idk](https://github.com/CherryUSB/bk_idk)| v0.7.0 | the same with musb |
@@ -223,3 +224,4 @@ CherryUSB 微信群：与我联系后邀请加入
感谢以下企业支持（顺序不分先后）：
+
diff --git a/SConscript b/SConscript
index 602ba5fe..93730091 100644
--- a/SConscript
+++ b/SConscript
@@ -53,6 +53,9 @@ if GetDepend(['PKG_CHERRYUSB_DEVICE']):
if GetDepend(['PKG_CHERRYUSB_DEVICE_DWC2_HC']):
src += Glob('port/dwc2/usb_dc_dwc2.c')
src += Glob('port/dwc2/usb_glue_hc.c')
+ if GetDepend(['PKG_CHERRYUSB_DEVICE_DWC2_NATION']):
+ src += Glob('port/dwc2/usb_dc_dwc2.c')
+ src += Glob('port/dwc2/usb_glue_nation.c')
if GetDepend(['PKG_CHERRYUSB_DEVICE_DWC2_GD']):
src += Glob('port/dwc2/usb_dc_dwc2.c')
src += Glob('port/dwc2/usb_glue_gd.c')
@@ -197,6 +200,9 @@ if GetDepend(['PKG_CHERRYUSB_HOST']):
if GetDepend(['PKG_CHERRYUSB_HOST_DWC2_HC']):
src += Glob('port/dwc2/usb_hc_dwc2.c')
src += Glob('port/dwc2/usb_glue_hc.c')
+ if GetDepend(['PKG_CHERRYUSB_HOST_DWC2_NATION']):
+ src += Glob('port/dwc2/usb_hc_dwc2.c')
+ src += Glob('port/dwc2/usb_glue_nation.c')
if GetDepend(['PKG_CHERRYUSB_HOST_DWC2_CUSTOM']):
src += Glob('port/dwc2/usb_hc_dwc2.c')
if GetDepend(['PKG_CHERRYUSB_HOST_MUSB_STANDARD']):
diff --git a/docs/assets/nationstech.jpg b/docs/assets/nationstech.jpg
new file mode 100644
index 00000000..2c48f6b9
Binary files /dev/null and b/docs/assets/nationstech.jpg differ
diff --git a/port/dwc2/README.md b/port/dwc2/README.md
index b35a7a03..5e61d1c4 100644
--- a/port/dwc2/README.md
+++ b/port/dwc2/README.md
@@ -44,3 +44,7 @@ CONFIG_USBDEV_EP_NUM 必须为4 或者 6，并删除 usb_dc_dwc2.c 中 while(1){
## Kendryte
- K230
+
+## Nationstech
+
+- N32H4X
\ No newline at end of file
diff --git a/port/dwc2/usb_glue_nation.c b/port/dwc2/usb_glue_nation.c
new file mode 100644
index 00000000..f899e738
--- /dev/null
+++ b/port/dwc2/usb_glue_nation.c
@@ -0,0 +1,187 @@
+/*
+ * Copyright (c) 2025, sakumisu
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#include "usbd_core.h"
+#include "usbh_core.h"
+
+__WEAK void USBD_IRQHandler(uint8_t busid)
+{
+}
+
+__WEAK void USBH_IRQHandler(uint8_t busid)
+{
+}
+
+#if defined(N32H473) || defined(N32H474) || defined(N32H475) || defined(N32H482) || defined(N32H487)
+#include "n32h47x_48x_rcc.h"
+#include "n32h47x_48x_gpio.h"
+#include "n32h47x_48x_exti.h"
+#include "misc.h"
+
+typedef void (*usb_dwc2_irq)(uint8_t busid);
+
+static usb_dwc2_irq g_usb_dwc2_irq;
+static volatile uint8_t g_usb_dwc2_busid = 0;
+
+static void usbhs_common_init(void)
+{
+ RCC_EnableAHB1PeriphClk(RCC_AHB_PERIPHEN_GPIOA | RCC_AHB_PERIPHEN_GPIOB, ENABLE);
+ RCC_EnableAPB2PeriphClk(RCC_APB2_PERIPH_AFIO, ENABLE);
+ /* PLL= 240MHz */
+#if (HSE_VALUE == 8000000)
+ /* Select PLL clock as USBHS clock source , clock 15 divisions = 16M */
+ RCC_ConfigUSBPLLPresClk(RCC_USBPLLCLK_SRC_PLL, RCC_USBPLLCLK_DIV15);
+
+ /* Select the corresponding bandwidth and frequency*/
+ RCC_ConfigUSBHSBandwidth(RCC_USBHS_BW_16M);
+
+ /* Select USBHS clock source frequency */
+ RCC_ConfigUSBHSFrequency(RCC_USBHS_FREQ_16_OR_32M);
+
+ /* Select PLL as USBHS clock */
+ RCC_ConfigUSBHSClk(RCC_USBHS_CLKSRC_PLLPRES);
+#else //HSE 16M
+ RCC_ConfigUSBHSBandwidth(RCC_USBHS_BW_16M);
+ RCC_ConfigUSBHSFrequency(RCC_USBHS_FREQ_16_OR_32M);
+ RCC_ConfigUSBHSClk(RCC_USBHS_CLKSRC_HSE);
+#endif
+ /* Reset the USBHS phy clock*/
+ RCC_EnableAHBPeriphReset(RCC_AHBPRST_USBHSPHYRST);
+ /* Enables the USBHS peripheral clock*/
+ RCC_EnableAHBPeriphClk(RCC_AHB_PERIPHEN_USBHS, ENABLE);
+
+ NVIC_InitType NVIC_InitStructure;
+ // EXTI_InitType EXTI_InitStructure;
+
+ // NVIC_InitStructure.NVIC_IRQChannel = USB_HS_WKUP_IRQn;
+ // NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
+ // NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
+ // NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+ // NVIC_Init(&NVIC_InitStructure);
+
+ NVIC_InitStructure.NVIC_IRQChannel = USB_HS_IRQn;
+ NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
+ NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;
+ NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+ NVIC_Init(&NVIC_InitStructure);
+
+ /* Configure the EXTI line 23 connected internally to the USBHS IP */
+ // EXTI_ClrITPendBit(EXTI_LINE23);
+ // EXTI_InitStructure.EXTI_Line = EXTI_LINE23;
+ // EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
+ // EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
+ // EXTI_InitStructure.EXTI_LineCmd = ENABLE;
+ // EXTI_InitPeripheral(&EXTI_InitStructure);
+}
+
+static void usbhs_gpio_init(void)
+{
+ GPIO_InitType GPIO_InitStructure;
+
+ RCC_EnableAHB1PeriphClk(RCC_AHB_PERIPHEN_GPIOA | RCC_AHB_PERIPHEN_GPIOB | RCC_AHB_PERIPHEN_GPIOE, ENABLE);
+ RCC_EnableAPB2PeriphClk(RCC_APB2_PERIPH_AFIO, ENABLE);
+ GPIO_ConfigPinRemap(0, 0, GPIO_RMP_SWJ_SWD);
+
+ GPIO_InitStruct(&GPIO_InitStructure);
+#ifdef USBHS_HOST
+ GPIO_InitStructure.Pin = GPIO_PIN_1;
+ GPIO_InitStructure.GPIO_Mode = GPIO_MODE_OUTPUT_PP;
+ GPIO_InitPeripheral(GPIOE, &GPIO_InitStructure);
+ GPIO_ResetBits(GPIOE, GPIO_PIN_1);
+
+ GPIO_InitStructure.Pin = GPIO_PIN_3;
+ GPIO_InitPeripheral(GPIOB, &GPIO_InitStructure);
+ GPIO_ResetBits(GPIOB, GPIO_PIN_3);
+#endif
+ // VBUS
+ // GPIO_InitStructure.Pin = GPIO_PIN_13;
+ // GPIO_InitStructure.GPIO_Mode = GPIO_MODE_INPUT;
+ // GPIO_InitPeripheral(GPIOB, &GPIO_InitStructure);
+
+ // // SOF
+ // GPIO_InitStructure.Pin = GPIO_PIN_4;
+ // GPIO_InitStructure.GPIO_Mode = GPIO_MODE_AF_PP;
+ // GPIO_InitStructure.GPIO_Alternate = 8; // SOF
+ // GPIO_InitPeripheral(GPIOA, &GPIO_InitStructure);
+
+ // // ID
+ // GPIO_InitStructure.Pin = GPIO_PIN_12;
+ // GPIO_InitStructure.GPIO_Mode = GPIO_MODE_AF_PP;
+ // GPIO_InitStructure.GPIO_Alternate = 14; // ID
+ // GPIO_InitPeripheral(GPIOB, &GPIO_InitStructure);
+}
+
+void usb_dc_low_level_init(uint8_t busid)
+{
+ g_usb_dwc2_irq = USBD_IRQHandler;
+ g_usb_dwc2_busid = busid;
+
+ usbhs_common_init();
+
+ RCC->USBHSCTRL2 |= (uint32_t)0x01 << 19;
+ RCC->USBHSCTRL1 |= (uint32_t)0x01 << 31;
+}
+
+void usb_dc_low_level_deinit(uint8_t busid)
+{
+ NVIC_InitType NVIC_InitStructure;
+
+ NVIC_InitStructure.NVIC_IRQChannel = USB_HS_IRQn;
+ NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
+ NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;
+ NVIC_InitStructure.NVIC_IRQChannelCmd = DISABLE;
+ NVIC_Init(&NVIC_InitStructure);
+
+ RCC_EnableAHBPeriphReset(RCC_AHBPRST_USBHSPHYRST);
+ /* Enables the USBHS peripheral clock*/
+ RCC_EnableAHBPeriphClk(RCC_AHB_PERIPHEN_USBHS, DISABLE);
+}
+
+void usb_hc_low_level_init(struct usbh_bus *bus)
+{
+ g_usb_dwc2_irq = USBH_IRQHandler;
+ g_usb_dwc2_busid = 0;
+
+ usbhs_common_init();
+
+ RCC->USBHSCTRL2 &= ~(uint32_t)0x01 << 19;
+ RCC->USBHSCTRL1 |= (uint32_t)0x01 << 31;
+}
+
+void usb_hc_low_level_deinit(struct usbh_bus *bus)
+{
+ NVIC_InitType NVIC_InitStructure;
+
+ NVIC_InitStructure.NVIC_IRQChannel = USB_HS_IRQn;
+ NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
+ NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;
+ NVIC_InitStructure.NVIC_IRQChannelCmd = DISABLE;
+ NVIC_Init(&NVIC_InitStructure);
+
+ RCC_EnableAHBPeriphReset(RCC_AHBPRST_USBHSPHYRST);
+ /* Enables the USBHS peripheral clock*/
+ RCC_EnableAHBPeriphClk(RCC_AHB_PERIPHEN_USBHS, DISABLE);
+}
+
+uint32_t usbd_get_dwc2_gccfg_conf(uint32_t reg_base)
+{
+ return 0;
+}
+
+uint32_t usbh_get_dwc2_gccfg_conf(uint32_t reg_base)
+{
+ return 0;
+}
+
+void USB_HS_IRQHandler(void)
+{
+ g_usb_dwc2_irq(g_usb_dwc2_busid);
+}
+
+void usbd_dwc2_delay_ms(uint8_t ms)
+{
+
+}
+#endif