[bsp][ch32] add eth driver

bsp/wch/risc-v/Libraries/ch32_drivers/SConscript

@@ -36,6 +36,9 @@ if  GetDepend('SOC_RISCV_FAMILY_CH32'):
     if GetDepend('BSP_USING_USBD'):
         src += ['drv_usbd.c']
 
+    if GetDepend('BSP_USING_ETH'):
+        src += ['drv_eth.c']
+        
     if GetDepend('BSP_USING_IWDT'):
         src += ['drv_iwdt.c']
 

bsp/wch/risc-v/Libraries/ch32_drivers/drv_eth.c

@@ -0,0 +1,775 @@
+/*
+ * File      : drv_usart.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006-2024, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2021-09-09     WCH        the first version
+ */
+
+#include "board.h"
+#include <rtdevice.h>
+
+
+#ifdef BSP_USING_ETH
+#include <netif/ethernetif.h>
+#include "lwipopts.h"
+#include <drv_eth.h>
+
+//#define DRV_DEBUG
+#define LOG_TAG              "drv.eth"
+#include <drv_log.h>
+
+#define MAX_ADDR_LEN 6
+#define  ETH_DMARxDesc_FrameLengthShift           16
+
+#define define_O(a,b) \
+GPIO_InitStructure.GPIO_Pin = b;\
+GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;\
+GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;\
+GPIO_Init(a, &GPIO_InitStructure)
+
+#define define_I(a,b) \
+GPIO_InitStructure.GPIO_Pin = b;\
+GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;\
+GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;\
+GPIO_Init(a, &GPIO_InitStructure)
+
+
+/* globe variable */
+extern ETH_DMADESCTypeDef  *DMATxDescToSet;   //set tx Desc then send it
+extern ETH_DMADESCTypeDef  *DMARxDescToGet;   //current rx Desc
+
+
+/* rt-thread eth */
+struct rt_ch32_eth
+{
+     /* inherit from ethernet device */
+    struct eth_device parent;
+#ifndef PHY_USING_INTERRUPT_MODE
+    rt_timer_t poll_link_timer;
+#endif
+    /* interface address info, hw address */
+    rt_uint8_t  dev_addr[MAX_ADDR_LEN];
+    /* ETH_Speed */
+    uint32_t    ETH_Speed;
+    /* ETH_Duplex_Mode */
+    uint32_t    ETH_Mode;
+};
+
+static ETH_DMADESCTypeDef  DMARxDscrTab[ETH_RXBUFNB], DMATxDscrTab[ETH_TXBUFNB];
+static rt_uint8_t  Rx_Buff[ETH_RXBUFNB][ETH_MAX_PACKET_SIZE],Tx_Buff[ETH_TXBUFNB][ETH_MAX_PACKET_SIZE];
+struct rt_ch32_eth  ch32v30x_eth_device;
+
+
+//#define ETH_RX_DUMP
+#if defined(ETH_RX_DUMP) || defined(ETH_TX_DUMP)
+#define __is_print(ch) ((unsigned int)((ch) - ' ') < 127u - ' ')
+static void dump_hex(const rt_uint8_t *ptr, rt_size_t buflen)
+{
+    unsigned char *buf = (unsigned char *)ptr;
+    int i, j;
+
+    for (i = 0; i < buflen; i += 16)
+    {
+        rt_kprintf("%08X: ", i);
+
+        for (j = 0; j < 16; j++)
+            if (i + j < buflen)
+                rt_kprintf("%02X ", buf[i + j]);
+            else
+                rt_kprintf("   ");
+        rt_kprintf(" ");
+
+        for (j = 0; j < 16; j++)
+            if (i + j < buflen)
+                rt_kprintf("%c", __is_print(buf[i + j]) ? buf[i + j] : '.');
+        rt_kprintf("\r\n");
+    }
+}
+#endif
+
+
+/* received data */
+FrameTypeDef ETH_RxPkt_ChainMode(void)
+{
+    u32 framelength = 0;
+    FrameTypeDef frame = {0,0,NULL};
+
+    /* Check if the descriptor is owned by the ETHERNET DMA (when set) or CPU (when reset) */
+    if((DMARxDescToGet->Status & ETH_DMARxDesc_OWN) != (u32)RESET)
+    {
+        frame.length = ETH_ERROR;
+        if ((ETH->DMASR & ETH_DMASR_RBUS) != (u32)RESET)
+        {
+            /* Clear RBUS ETHERNET DMA flag */
+            ETH->DMASR = ETH_DMASR_RBUS;
+            /* Resume DMA reception */
+            ETH->DMARPDR = 0;
+        }
+        LOG_E("Error:ETH_DMARxDesc_OWN.\r\n");
+    /* Return error: OWN bit set */
+    return frame;
+    }
+
+    if(
+        ((DMARxDescToGet->Status & ETH_DMARxDesc_ES) == (u32)RESET) &&
+        ((DMARxDescToGet->Status & ETH_DMARxDesc_LS) != (u32)RESET) &&
+        ((DMARxDescToGet->Status & ETH_DMARxDesc_FS) != (u32)RESET))
+    {
+        /* Get the Frame Length of the received packet: substruct 4 bytes of the CRC */
+        framelength = ((DMARxDescToGet->Status & ETH_DMARxDesc_FL) >> ETH_DMARxDesc_FrameLengthShift) - 4;
+
+        /* Get the addrees of the actual buffer */
+        frame.buffer = DMARxDescToGet->Buffer1Addr;
+    }
+    else
+    {
+        /* Return ERROR */
+        framelength = ETH_ERROR;
+        rt_kprintf("Error:recv error frame,status:0x%08x.\r\n",DMARxDescToGet->Status);
+    }
+    DMARxDescToGet->Status|=ETH_DMARxDesc_OWN;
+    frame.length = framelength;
+    frame.descriptor = DMARxDescToGet;
+
+    /* Update the ETHERNET DMA global Rx descriptor with next Rx decriptor */
+    /* Chained Mode */
+    /* Selects the next DMA Rx descriptor list for next buffer to read */
+    DMARxDescToGet = (ETH_DMADESCTypeDef*) (DMARxDescToGet->Buffer2NextDescAddr);
+    /* Return Frame */
+    return (frame);
+}
+
+
+
+/*******************************************************************************
+* Function Name  : GETH_pin_init
+* Description    : PHY RGMII interface GPIO initialization.
+* Input          : None.
+* Return         : None.
+*******************************************************************************/
+void GETH_pin_init(void)
+{
+    GPIO_InitTypeDef GPIO_InitStructure;
+
+    /* PB12/13 set AF_PP_OUT */
+    RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
+    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOC, ENABLE);
+    GPIOB->CFGHR&=~(0xff<<16);
+    GPIOB->CFGHR|= (0xbb<<16);
+    GPIOB->CFGLR&=~(0xff<<4);
+
+    define_O(GPIOA,GPIO_Pin_2);
+    define_O(GPIOA,GPIO_Pin_3);
+    define_O(GPIOA,GPIO_Pin_7);
+    define_O(GPIOC,GPIO_Pin_4);
+    define_O(GPIOC,GPIO_Pin_5);
+    define_O(GPIOB,GPIO_Pin_0);
+
+    define_I(GPIOC,GPIO_Pin_0);
+    define_I(GPIOC,GPIO_Pin_1);
+    define_I(GPIOC,GPIO_Pin_2);
+    define_I(GPIOC,GPIO_Pin_3);
+    define_I(GPIOA,GPIO_Pin_0);
+    define_I(GPIOA,GPIO_Pin_1);
+
+    define_I(GPIOB,GPIO_Pin_1);/* 125m in */
+}
+
+
+/*******************************************************************************
+* Function Name  : GETH_pin_init
+* Description    : PHY MII/RMII interface GPIO initialization.
+* Input          : None.
+* Return         : None.
+*******************************************************************************/
+void FETH_pin_init(void)
+{
+    GPIO_InitTypeDef GPIO_InitStructure;
+
+#ifdef USE_RMII
+    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO, ENABLE);
+    GPIO_ETH_MediaInterfaceConfig(GPIO_ETH_MediaInterface_RMII);
+    define_O(GPIOA,GPIO_Pin_2);/* MDC */
+    define_O(GPIOC,GPIO_Pin_1);/* MDIO */
+
+    define_O(GPIOB,GPIO_Pin_11);//txen
+    define_O(GPIOB,GPIO_Pin_12);//txd0
+    define_O(GPIOB,GPIO_Pin_13);//txd1
+
+    define_I(GPIOA,GPIO_Pin_1);/* PA1 REFCLK */
+    define_I(GPIOA,GPIO_Pin_7);/* PA7 CRSDV */
+    define_I(GPIOC,GPIO_Pin_4);/* RXD0 */
+    define_I(GPIOC,GPIO_Pin_5);/* RXD1 */
+
+#else
+    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOC, ENABLE);
+    /* tx */
+    define_O(GPIOA,GPIO_Pin_2);/* MDC */
+    define_O(GPIOC,GPIO_Pin_1);/* MDIO */
+
+    define_I(GPIOC,GPIO_Pin_3);//txclk
+    define_O(GPIOB,GPIO_Pin_11);//txen
+    define_O(GPIOB,GPIO_Pin_12);//txd0
+    define_O(GPIOB,GPIO_Pin_13);//txd1
+    define_O(GPIOC,GPIO_Pin_2); //txd2
+    define_O(GPIOB,GPIO_Pin_8);//txd3
+    /* tx */
+    define_I(GPIOA,GPIO_Pin_1);/* PA1 RXC */
+    define_I(GPIOA,GPIO_Pin_7);/* PA7 RXDV */
+    define_I(GPIOC,GPIO_Pin_4);/* RXD0 */
+    define_I(GPIOC,GPIO_Pin_5);/* RXD1 */
+    define_I(GPIOB,GPIO_Pin_0);/* RXD2 */
+    define_I(GPIOB,GPIO_Pin_1);/* RXD3 */
+    define_I(GPIOB,GPIO_Pin_10);/* RXER */
+
+    define_O(GPIOA,GPIO_Pin_0);/* PA0 */
+    define_O(GPIOA,GPIO_Pin_3);/* PA3 */
+#endif
+}
+
+/*******************************************************************************
+* Function Name  : ETH_Init
+* Description    : ETH initialization.
+* Input          : ETH_InitStruct:initialization struct.
+*                  PHYAddress:PHY address.
+* Return         : Initialization status.
+*******************************************************************************/
+uint32_t ETH_Init(ETH_InitTypeDef* ETH_InitStruct, uint16_t PHYAddress)
+{
+    uint32_t tmpreg = 0;
+    uint16_t RegValue = 0;
+    uint32_t tickstart=0;
+    /* config phy */
+    tmpreg = ETH->MACMIIAR;
+    tmpreg &= MACMIIAR_CR_MASK;
+    /* set SMI clock */
+    tmpreg |= (uint32_t)ETH_MACMIIAR_CR_Div42;
+    ETH->MACMIIAR = (uint32_t)tmpreg;
+    /* reset phy */
+    ETH_WritePHYRegister(PHYAddress, PHY_BCR, PHY_Reset);
+    tickstart= rt_tick_get_millisecond();
+    do{
+        asm("nop");      /* waiting for finish */
+    }while((rt_tick_get_millisecond()-tickstart)<1000);
+
+
+    tickstart= rt_tick_get_millisecond();
+    RegValue = 0;
+    while( (RegValue&(PHY_Reset)) )
+    {
+        RegValue = ETH_ReadPHYRegister(PHYAddress, PHY_BCR);
+        if((rt_tick_get_millisecond()-tickstart)>10000)
+        {
+            LOG_E("Error:Wait phy reset timeout!\r\n");
+            while(1);
+        }
+    }
+
+    /* waiting for link up */
+    tickstart= rt_tick_get_millisecond();
+    RegValue = 0;
+    while((RegValue&(PHY_Linked_Status)) == 0)
+    {
+       RegValue = ETH_ReadPHYRegister(PHYAddress, PHY_BSR);
+       if((rt_tick_get_millisecond()-tickstart)>10000)
+       {
+           LOG_E("Error:Wait phy linking timeout!\r\n");
+           while(1);
+       }
+    }
+
+    /* waiting for auto-negotiation */
+    tickstart= rt_tick_get_millisecond();
+    RegValue = 0;
+    while((RegValue&PHY_AutoNego_Complete) == 0)
+    {
+        RegValue = ETH_ReadPHYRegister(PHYAddress, PHY_BSR);
+        if((rt_tick_get_millisecond()-tickstart)>10000)
+        {
+            LOG_E("Error:Wait phy auto-negotiation complete timeout!\r\n");
+            while(1);
+        }
+    }
+
+#ifdef USE10BASE_T
+    RegValue = ETH_ReadPHYRegister(PHYAddress, PHY_BMCR);
+    LOG_D("PHY_BMCR:%d,value:%04x.\n",PHY_BMCR,RegValue);
+    if((RegValue & (1<<8)) != (uint32_t)RESET)
+    {
+      ETH_InitStruct->ETH_Mode = ETH_Mode_FullDuplex;
+      ch32v30x_eth_device.ETH_Mode=ETH_Mode_FullDuplex;
+      LOG_D("Full-Duplex.\n");
+    }
+    else
+    {
+      ETH_InitStruct->ETH_Mode = ETH_Mode_HalfDuplex;
+      ch32v30x_eth_device.ETH_Mode=ETH_Mode_HalfDuplex;
+      LOG_D("Half-Duplex.\n");
+    }
+    if(RegValue & (1<<13))
+    {
+      ETH_InitStruct->ETH_Speed = ETH_Speed_100M;
+      ch32v30x_eth_device.ETH_Speed=ETH_Speed_100M;
+      /* send link up. */
+      eth_device_linkchange(&ch32v30x_eth_device.parent, RT_TRUE);
+      LOG_D("Link speed:100M.\n");
+    }
+    else
+    {
+      ETH_InitStruct->ETH_Speed = ETH_Speed_10M;
+      ch32v30x_eth_device.ETH_Speed=ETH_Speed_10M;
+      /* send link up. */
+      eth_device_linkchange(&ch32v30x_eth_device.parent, RT_TRUE);
+      LOG_D("Link speed:10M.\n");
+    }
+#endif
+
+#ifdef USE_FAST_MAC
+    /* 100M MAC,RMII */
+    RegValue = ETH_ReadPHYRegister(PHYAddress, PHY_BMCR);
+    LOG_D("PHY_BMCR:%d,value:%04x.\n",PHY_BMCR,RegValue);
+    if((RegValue & (1<<8)) != (uint32_t)RESET)
+    {
+      ETH_InitStruct->ETH_Mode = ETH_Mode_FullDuplex;
+      ch32v30x_eth_device.ETH_Mode = ETH_Mode_FullDuplex;
+      LOG_D("Full-Duplex.\n");
+    }
+    else
+    {
+      ETH_InitStruct->ETH_Mode = ETH_Mode_HalfDuplex;
+      ch32v30x_eth_device.ETH_Mode = ETH_Mode_HalfDuplex;
+      LOG_D("Half-Duplex.\n");
+    }
+    if(RegValue & (1<<13))
+    {
+      ETH_InitStruct->ETH_Speed = ETH_Speed_100M;
+      ch32v30x_eth_device.ETH_Speed=ETH_Speed_100M;
+      /* send link up. */
+      eth_device_linkchange(&ch32v30x_eth_device.parent, RT_TRUE);
+      LOG_D("Link speed:100M.\n");
+    }
+    else
+    {
+      ETH_InitStruct->ETH_Speed = ETH_Speed_10M;
+      ch32v30x_eth_device.ETH_Speed=ETH_Speed_10M;
+      /* send link up. */
+      eth_device_linkchange(&ch32v30x_eth_device.parent, RT_TRUE);
+      LOG_D("Link speed:10M.\n");
+    }
+#endif
+
+#ifdef USE_GIGA_MAC
+    /* GMAC,RGMI */
+    ETH_WritePHYRegister(PHYAddress, 31,0x0a43 );
+    RegValue = ETH_ReadPHYRegister(PHYAddress, 26);
+    if( RegValue & 0x0008 )
+    {
+        ETH_InitStruct->ETH_Mode     = ETH_Mode_FullDuplex;
+        ch32v30x_eth_device.ETH_Mode = ETH_Mode_FullDuplex;
+        LOG_D("full duplex.\n");
+    }
+    else
+    {
+        ETH_InitStruct->ETH_Mode     = ETH_Mode_HalfDuplex;
+        ch32v30x_eth_device.ETH_Mode = ETH_Mode_HalfDuplex;
+        LOG_D("half duplex!\n");
+    }
+    if(( RegValue & 0x0030 ) == 0x0000)
+    {
+        ETH_InitStruct->ETH_Speed    = ETH_Speed_10M;
+        ch32v30x_eth_device.ETH_Speed= ETH_Speed_10M;
+        eth_device_linkchange(&ch32v30x_eth_device.parent, RT_TRUE);
+        LOG_D("Link speed:10Mbps.\n");
+    }
+    else if(( RegValue & 0x0030 ) == 0x0010)
+    {
+        ETH_InitStruct->ETH_Speed    = ETH_Speed_100M;
+        ch32v30x_eth_device.ETH_Speed= ETH_Speed_100M;
+        eth_device_linkchange(&ch32v30x_eth_device.parent, RT_TRUE);
+        LOG_D("Link speed:100Mbps.\n");
+    }
+    else if(( RegValue & 0x0030 ) == 0x0020)
+    {
+        ETH_InitStruct->ETH_Speed    = ETH_Speed_1000M;
+        ch32v30x_eth_device.ETH_Speed= ETH_Speed_1000M;
+        eth_device_linkchange(&ch32v30x_eth_device.parent, RT_TRUE);
+        LOG_D("Link speed:1000Mbps.\n");
+    }
+#endif
+
+    tickstart= rt_tick_get_millisecond();
+    do{
+        asm("nop");
+    }while((rt_tick_get_millisecond()-tickstart)<1000);
+
+
+    /*  MAC config  */
+    /* if use RGMII,should config RGMII clock delay register */
+    tmpreg = ETH->MACCR;
+    tmpreg &= MACCR_CLEAR_MASK;
+    tmpreg |= (uint32_t)(ETH_InitStruct->ETH_Watchdog |
+                  ETH_InitStruct->ETH_Jabber |
+                  ETH_InitStruct->ETH_InterFrameGap |
+                  ETH_InitStruct->ETH_CarrierSense |
+                  ETH_InitStruct->ETH_Speed |
+                  ETH_InitStruct->ETH_ReceiveOwn |
+                  ETH_InitStruct->ETH_LoopbackMode |
+                  ETH_InitStruct->ETH_Mode |
+                  ETH_InitStruct->ETH_ChecksumOffload |
+                  ETH_InitStruct->ETH_RetryTransmission |
+                  ETH_InitStruct->ETH_AutomaticPadCRCStrip |
+                  ETH_InitStruct->ETH_BackOffLimit |
+                  ETH_InitStruct->ETH_DeferralCheck);
+    ETH->MACCR = (uint32_t)tmpreg;
+#ifdef USE10BASE_T
+    /* enable internal pull up resistance,50Ω */
+    ETH->MACCR|=ETH_Internal_Pull_Up_Res_Enable;
+#endif
+    ETH->MACFFR = (uint32_t)(ETH_InitStruct->ETH_ReceiveAll |
+                          ETH_InitStruct->ETH_SourceAddrFilter |
+                          ETH_InitStruct->ETH_PassControlFrames |
+                          ETH_InitStruct->ETH_BroadcastFramesReception |
+                          ETH_InitStruct->ETH_DestinationAddrFilter |
+                          ETH_InitStruct->ETH_PromiscuousMode |
+                          ETH_InitStruct->ETH_MulticastFramesFilter |
+                          ETH_InitStruct->ETH_UnicastFramesFilter);
+    /* Write to ETHERNET MACHTHR */
+    ETH->MACHTHR = (uint32_t)ETH_InitStruct->ETH_HashTableHigh;
+    /* Write to ETHERNET MACHTLR */
+    ETH->MACHTLR = (uint32_t)ETH_InitStruct->ETH_HashTableLow;
+    /* Get the ETHERNET MACFCR value */
+    tmpreg = ETH->MACFCR;
+    /* Clear xx bits */
+    tmpreg &= MACFCR_CLEAR_MASK;
+
+    tmpreg |= (uint32_t)((ETH_InitStruct->ETH_PauseTime << 16) |
+                   ETH_InitStruct->ETH_ZeroQuantaPause |
+                   ETH_InitStruct->ETH_PauseLowThreshold |
+                   ETH_InitStruct->ETH_UnicastPauseFrameDetect |
+                   ETH_InitStruct->ETH_ReceiveFlowControl |
+                   ETH_InitStruct->ETH_TransmitFlowControl);
+    ETH->MACFCR = (uint32_t)tmpreg;
+
+    ETH->MACVLANTR = (uint32_t)(ETH_InitStruct->ETH_VLANTagComparison |
+                             ETH_InitStruct->ETH_VLANTagIdentifier);
+
+    tmpreg = ETH->DMAOMR;
+    /* Clear xx bits */
+    tmpreg &= DMAOMR_CLEAR_MASK;
+
+    tmpreg |= (uint32_t)(ETH_InitStruct->ETH_DropTCPIPChecksumErrorFrame |
+                  ETH_InitStruct->ETH_ReceiveStoreForward |
+                  ETH_InitStruct->ETH_FlushReceivedFrame |
+                  ETH_InitStruct->ETH_TransmitStoreForward |
+                  ETH_InitStruct->ETH_TransmitThresholdControl |
+                  ETH_InitStruct->ETH_ForwardErrorFrames |
+                  ETH_InitStruct->ETH_ForwardUndersizedGoodFrames |
+                  ETH_InitStruct->ETH_ReceiveThresholdControl |
+                  ETH_InitStruct->ETH_SecondFrameOperate);
+    ETH->DMAOMR = (uint32_t)tmpreg;
+
+    ETH->DMABMR = (uint32_t)(ETH_InitStruct->ETH_AddressAlignedBeats |
+                          ETH_InitStruct->ETH_FixedBurst |
+                          ETH_InitStruct->ETH_RxDMABurstLength | /* !! if 4xPBL is selected for Tx or Rx it is applied for the other */
+                          ETH_InitStruct->ETH_TxDMABurstLength |
+                         (ETH_InitStruct->ETH_DescriptorSkipLength << 2) |
+                          ETH_InitStruct->ETH_DMAArbitration |
+                          ETH_DMABMR_USP);
+
+    return ETH_SUCCESS;
+}
+
+/* eth initialization function */
+static rt_err_t rt_ch32_eth_init(rt_device_t dev)
+{
+    ETH_InitTypeDef ETH_InitStructure={0};
+    RCC_PLL3Cmd(DISABLE);
+    RCC_PREDIV2Config(RCC_PREDIV2_Div2);
+    RCC_PLL3Config(RCC_PLL3Mul_15);
+    RCC_PLL3Cmd(ENABLE);
+    while(RESET == RCC_GetFlagStatus(RCC_FLAG_PLL3RDY));
+    LOG_D("PLL3 Init Finish\r\n");
+    RCC_AHBPeriphClockCmd(RCC_AHBPeriph_ETH_MAC|RCC_AHBPeriph_ETH_MAC_Tx|RCC_AHBPeriph_ETH_MAC_Rx,ENABLE);
+#ifdef USE10BASE_T
+    /* Enable internal 10BASE-T PHY*/
+    EXTEN->EXTEN_CTR |=EXTEN_ETH_10M_EN;
+#endif
+#ifdef USE_GIGA_MAC
+    /* Enable 1G MAC*/
+    EXTEN->EXTEN_CTR |= EXTEN_ETH_RGMII_SEL;
+    /* mac clock use external 125MHz,input from PB1 */
+    RCC_ETH1GCLKConfig(RCC_ETH1GCLKSource_PB1_IN);
+    RCC_ETH1G_125Mcmd(ENABLE);
+    /*  Enable RGMII GPIO */
+    GETH_pin_init();
+#endif
+
+#ifdef USE_FAST_MAC
+    /*  Enable MII or RMII GPIO */
+    FETH_pin_init();
+#endif
+    /* Reset ETHERNET on AHB Bus */
+    ETH_DeInit();
+    /* Software reset */
+    ETH_SoftwareReset();
+    /* Wait for software reset */
+    while(ETH->DMABMR & ETH_DMABMR_SR);
+    LOG_D("ETH RST Finish\r\n");
+
+    ETH_StructInit(&ETH_InitStructure);
+    ETH_InitStructure.ETH_Mode = ETH_Mode_FullDuplex;
+    ETH_InitStructure.ETH_Speed = ETH_Speed_1000M;
+    ETH_InitStructure.ETH_AutoNegotiation = ETH_AutoNegotiation_Enable  ;
+    ETH_InitStructure.ETH_LoopbackMode = ETH_LoopbackMode_Disable;
+    ETH_InitStructure.ETH_RetryTransmission = ETH_RetryTransmission_Disable;
+    ETH_InitStructure.ETH_AutomaticPadCRCStrip = ETH_AutomaticPadCRCStrip_Disable;
+    ETH_InitStructure.ETH_ReceiveAll = ETH_ReceiveAll_Enable;
+    ETH_InitStructure.ETH_BroadcastFramesReception = ETH_BroadcastFramesReception_Enable;
+    ETH_InitStructure.ETH_PromiscuousMode = ETH_PromiscuousMode_Enable;
+    ETH_InitStructure.ETH_MulticastFramesFilter = ETH_MulticastFramesFilter_Perfect;
+    ETH_InitStructure.ETH_UnicastFramesFilter = ETH_UnicastFramesFilter_Perfect;
+#ifdef CHECKSUM_BY_HARDWARE
+    ETH_InitStructure.ETH_ChecksumOffload = ETH_ChecksumOffload_Enable;
+#endif
+    /*------------------------   DMA   -----------------------------------*/
+    /* When we use the Checksum offload feature, we need to enable the Store and Forward mode:
+    the store and forward guarantee that a whole frame is stored in the FIFO, so the MAC can insert/verify the checksum,
+    if the checksum is OK the DMA can handle the frame otherwise the frame is dropped */
+    ETH_InitStructure.ETH_DropTCPIPChecksumErrorFrame = ETH_DropTCPIPChecksumErrorFrame_Enable;
+    ETH_InitStructure.ETH_ReceiveStoreForward = ETH_ReceiveStoreForward_Enable;
+    ETH_InitStructure.ETH_TransmitStoreForward = ETH_TransmitStoreForward_Enable;
+    ETH_InitStructure.ETH_ForwardErrorFrames = ETH_ForwardErrorFrames_Enable;
+    ETH_InitStructure.ETH_ForwardUndersizedGoodFrames = ETH_ForwardUndersizedGoodFrames_Enable;
+    ETH_InitStructure.ETH_SecondFrameOperate = ETH_SecondFrameOperate_Disable;
+    ETH_InitStructure.ETH_AddressAlignedBeats = ETH_AddressAlignedBeats_Enable;
+    ETH_InitStructure.ETH_FixedBurst = ETH_FixedBurst_Enable;
+    ETH_InitStructure.ETH_RxDMABurstLength = ETH_RxDMABurstLength_32Beat;
+    ETH_InitStructure.ETH_TxDMABurstLength = ETH_TxDMABurstLength_32Beat;
+    ETH_InitStructure.ETH_DMAArbitration = ETH_DMAArbitration_RoundRobin_RxTx_2_1;
+    /* Configure Ethernet */
+    ETH_Init(&ETH_InitStructure, PHY_ADDRESS);
+    /* Enable the Ethernet Rx Interrupt */
+    ETH_DMAITConfig(ETH_DMA_IT_NIS
+                    | ETH_DMA_IT_R
+                    | ETH_DMA_IT_T
+                    ,ENABLE);
+    NVIC_SetPriority(ETH_IRQn,1<<4);
+    NVIC_EnableIRQ(ETH_IRQn);
+    ETH_DMATxDescChainInit(DMATxDscrTab, &Tx_Buff[0][0], ETH_TXBUFNB);
+    ETH_DMARxDescChainInit(DMARxDscrTab, &Rx_Buff[0][0], ETH_RXBUFNB);
+#ifdef USE_GIGA_MAC
+    RGMII_TXC_Delay(0,2);
+#endif
+    ETH_Start();
+    return RT_EOK;
+}
+
+static rt_err_t rt_ch32_eth_open(rt_device_t dev, rt_uint16_t oflag)
+{
+    LOG_D("eth open\r\n");
+    return RT_EOK;
+}
+
+static rt_err_t rt_ch32_eth_close(rt_device_t dev)
+{
+    LOG_D("eth close\r\n");
+    return RT_EOK;
+}
+
+static rt_ssize_t rt_ch32_eth_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size)
+{
+    LOG_D("eth read\r\n");
+    rt_set_errno(-RT_ENOSYS);
+    return 0;
+}
+
+static rt_ssize_t rt_ch32_eth_write(rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size)
+{
+    LOG_D("eth write\r\n");
+    rt_set_errno(-RT_ENOSYS);
+    return 0;
+}
+
+
+static rt_err_t rt_ch32_eth_control(rt_device_t dev, int cmd, void *args)
+{
+    switch (cmd)
+    {
+    case NIOCTL_GADDR:
+        /* get mac address */
+        if (args) rt_memcpy(args, ch32v30x_eth_device.dev_addr, 6);
+        else return -RT_ERROR;
+        break;
+
+    default :
+        break;
+    }
+
+    return RT_EOK;
+}
+
+rt_err_t rt_ch32_eth_tx(rt_device_t dev, struct pbuf *p)
+{
+    rt_err_t ret = RT_ERROR;
+    struct pbuf *q;
+    uint8_t *buffer = (uint8_t *)(DMATxDescToSet->Buffer1Addr);
+    uint8_t *pdata;
+    uint32_t framelength = 0,len=0;
+    /* copy frame from pbufs to driver buffers */
+    for (q = p; q != NULL; q = q->next)
+    {
+        /* Is this buffer available? If not, goto error */
+        if ((DMATxDescToSet->Status & ETH_DMATxDesc_OWN) != (uint32_t)RESET)
+        {
+            LOG_E("buffer not valid\r\n");
+            ret = ERR_USE;
+            goto Tx_error;
+        }
+
+        pdata = q->payload;
+        len = q->len;
+        framelength += len;
+        rt_memcpy(buffer,pdata,len);
+        buffer += len;
+    }
+
+#ifdef ETH_TX_DUMP
+    dump_hex(buffer, p->tot_len);
+#endif
+
+    DMATxDescToSet->ControlBufferSize = (framelength & ETH_DMATxDesc_TBS1);
+    DMATxDescToSet->Status |= ETH_DMATxDesc_LS | ETH_DMATxDesc_FS;
+    DMATxDescToSet->Status |= ETH_DMATxDesc_OWN;
+    ret = ERR_OK;
+
+    Tx_error:
+    /* When Transmit Underflow flag is set, clear it and issue a Transmit Poll Demand to resume transmission */
+    if ((ETH->DMASR & ETH_DMASR_TBUS) != (uint32_t)RESET)
+    {
+        /* Clear TUS ETHERNET DMA flag */
+        ETH->DMASR = ETH_DMASR_TUS;
+        /* Resume DMA transmission*/
+        ETH->DMATPDR = 0;
+    }
+
+    DMATxDescToSet = (ETH_DMADESCTypeDef*) (DMATxDescToSet->Buffer2NextDescAddr);
+    return ret;
+}
+
+
+volatile FrameTypeDef frame;
+struct pbuf *rt_ch32_eth_rx(rt_device_t dev)
+{
+    struct pbuf *p = NULL;
+    struct pbuf *q = NULL;
+    uint16_t len = 0;
+    uint8_t *buffer;
+    uint8_t *pdata;
+
+    if(!frame.length)
+    {
+        return NULL;
+    }
+    len=frame.length;
+    frame.length=0;
+    buffer=(uint8_t *)frame.buffer;
+    if (len > 0)
+    {
+        /* We allocate a pbuf chain of pbufs from the Lwip buffer pool */
+        p = pbuf_alloc(PBUF_RAW, len, PBUF_POOL);
+    }
+#ifdef ETH_RX_DUMP
+    dump_hex(buffer, p->tot_len);
+#endif
+    if (p != NULL)
+    {
+        for (q = p; q != NULL; q = q->next)
+        {
+            pdata = q->payload;
+            rt_memcpy(pdata,buffer,q->len);
+            pdata += (q->len);
+            buffer += (q->len);
+        }
+     }
+    else
+    {
+        LOG_E("p=null\r\n");
+    }
+    return p;
+ }
+
+/* interrupt service routine */
+void ETH_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
+void ETH_IRQHandler(void)
+{
+    GET_INT_SP();
+    /* enter interrupt */
+    rt_err_t result;
+    rt_interrupt_enter();
+    if(ETH->DMASR&ETH_DMA_IT_R)
+    {
+        ETH_DMAClearITPendingBit(ETH_DMA_IT_R);
+        frame = ETH_RxPkt_ChainMode();
+        result = eth_device_ready(&(ch32v30x_eth_device.parent));
+        if (result != RT_EOK)
+            rt_kprintf("RxCpltCallback err = %d\r\n", result);
+    }
+    if(ETH->DMASR&ETH_DMA_IT_T)
+    {
+        ETH_DMAClearITPendingBit(ETH_DMA_IT_T);
+    }
+    ETH_DMAClearITPendingBit(ETH_DMA_IT_NIS);
+    /* leave interrupt */
+    rt_interrupt_leave();
+    FREE_INT_SP();
+}
+
+
+/* Register the EMAC device */
+static int rt_hw_ch32_eth_init(void)
+{
+    rt_err_t state = RT_EOK;
+    /* 84-c2-e4 WCH. */
+    ch32v30x_eth_device.dev_addr[0] = 0x84;
+    ch32v30x_eth_device.dev_addr[1] = 0xc2;
+    ch32v30x_eth_device.dev_addr[2] = 0xe4;
+    /* generate MAC (only for test). */
+    ch32v30x_eth_device.dev_addr[3] = 0x1;
+    ch32v30x_eth_device.dev_addr[4] = 0x2;
+    ch32v30x_eth_device.dev_addr[5] = 0x3;
+
+    ch32v30x_eth_device.parent.parent.init       = rt_ch32_eth_init;
+    ch32v30x_eth_device.parent.parent.open       = rt_ch32_eth_open;
+    ch32v30x_eth_device.parent.parent.close      = rt_ch32_eth_close;
+    ch32v30x_eth_device.parent.parent.read       = rt_ch32_eth_read;
+    ch32v30x_eth_device.parent.parent.write      = rt_ch32_eth_write;
+    ch32v30x_eth_device.parent.parent.control    = rt_ch32_eth_control;
+    ch32v30x_eth_device.parent.parent.user_data  = RT_NULL;
+
+    ch32v30x_eth_device.parent.eth_rx     = rt_ch32_eth_rx;
+    ch32v30x_eth_device.parent.eth_tx     = rt_ch32_eth_tx;
+
+    /* register eth device */
+    state = eth_device_init(&(ch32v30x_eth_device.parent), "e0");
+    if (RT_EOK == state)
+    {
+        LOG_D("emac device init success");
+    }
+    else
+    {
+        LOG_E("emac device init faild: %d\r\n", state);
+        state = -RT_ERROR;
+    }
+
+    return state;
+}
+INIT_DEVICE_EXPORT(rt_hw_ch32_eth_init);
+
+#endif /* BSP_USING_ETH */

bsp/wch/risc-v/Libraries/ch32_drivers/drv_eth.h

@@ -0,0 +1,50 @@
+/*
+ * File      : usart.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2009, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2021-09-09     WCH        the first version
+ */
+#ifndef __DRV_ETH_H__
+#define __DRV_ETH_H__
+#include "rthw.h"
+#include "rtthread.h"
+#include "ch32v30x_eth.h"
+
+
+/* MII/MDI interface select */
+#define PHY_ADDRESS 0x01
+#define USE10BASE_T
+
+#ifndef USE10BASE_T
+    #define USE_GIGA_MAC
+    #ifndef USE_GIGA_MAC
+        #define USE_FAST_MAC
+        //#define USE_RMII
+    #endif
+#endif
+
+#define ETH_RXBUFNB        6
+#define ETH_TXBUFNB        6
+
+#if 0
+#define USE_LOOP_STRUCT  1
+#else
+#define USE_CHAIN_STRUCT  1
+#endif
+
+
+typedef struct
+{
+    u32 length;
+    u32 buffer;
+    ETH_DMADESCTypeDef *descriptor;
+}FrameTypeDef;
+
+#endif

bsp/wch/risc-v/ch32v307v-r1/.config

@@ -1,7 +1,3 @@
-#
-# Automatically generated file; DO NOT EDIT.
-# RT-Thread Configuration
-#
 
 #
 # RT-Thread Kernel
@@ -18,7 +14,6 @@ CONFIG_RT_THREAD_PRIORITY_32=y
 # CONFIG_RT_THREAD_PRIORITY_256 is not set
 CONFIG_RT_THREAD_PRIORITY_MAX=32
 CONFIG_RT_TICK_PER_SECOND=1000
-# CONFIG_RT_USING_OVERFLOW_CHECK is not set
 CONFIG_RT_USING_HOOK=y
 CONFIG_RT_HOOK_USING_FUNC_PTR=y
 # CONFIG_RT_USING_HOOKLIST is not set
@@ -28,18 +23,29 @@ CONFIG_IDLE_THREAD_STACK_SIZE=256
 CONFIG_RT_USING_TIMER_SOFT=y
 CONFIG_RT_TIMER_THREAD_PRIO=4
 CONFIG_RT_TIMER_THREAD_STACK_SIZE=512
+# CONFIG_RT_USING_TIMER_ALL_SOFT is not set
+# CONFIG_RT_USING_CPU_USAGE_TRACER is not set
 
 #
 # kservice optimization
 #
-# CONFIG_RT_KSERVICE_USING_STDLIB is not set
-# CONFIG_RT_KSERVICE_USING_TINY_SIZE is not set
 # CONFIG_RT_USING_TINY_FFS is not set
-# CONFIG_RT_KPRINTF_USING_LONGLONG is not set
+# end of kservice optimization
+
+#
+# klibc optimization
+#
+# CONFIG_RT_KLIBC_USING_STDLIB is not set
+# CONFIG_RT_KLIBC_USING_TINY_SIZE is not set
+# CONFIG_RT_KLIBC_USING_PRINTF_LONGLONG is not set
+# end of klibc optimization
+
 CONFIG_RT_USING_DEBUG=y
+CONFIG_RT_DEBUGING_ASSERT=y
 CONFIG_RT_DEBUGING_COLOR=y
 CONFIG_RT_DEBUGING_CONTEXT=y
 # CONFIG_RT_DEBUGING_AUTO_INIT is not set
+# CONFIG_RT_USING_OVERFLOW_CHECK is not set
 
 #
 # Inter-Thread communication
@@ -51,6 +57,7 @@ CONFIG_RT_USING_MAILBOX=y
 CONFIG_RT_USING_MESSAGEQUEUE=y
 # CONFIG_RT_USING_MESSAGEQUEUE_PRIORITY is not set
 # CONFIG_RT_USING_SIGNALS is not set
+# end of Inter-Thread communication
 
 #
 # Memory Management
@@ -67,6 +74,8 @@ CONFIG_RT_USING_SMALL_MEM_AS_HEAP=y
 # CONFIG_RT_USING_MEMTRACE is not set
 # CONFIG_RT_USING_HEAP_ISR is not set
 CONFIG_RT_USING_HEAP=y
+# end of Memory Management
+
 CONFIG_RT_USING_DEVICE=y
 # CONFIG_RT_USING_DEVICE_OPS is not set
 # CONFIG_RT_USING_INTERRUPT_INFO is not set
@@ -75,14 +84,12 @@ CONFIG_RT_USING_DEVICE=y
 CONFIG_RT_USING_CONSOLE=y
 CONFIG_RT_CONSOLEBUF_SIZE=128
 CONFIG_RT_CONSOLE_DEVICE_NAME="uart1"
-CONFIG_RT_VER_NUM=0x50100
+CONFIG_RT_VER_NUM=0x50200
 # CONFIG_RT_USING_STDC_ATOMIC is not set
 CONFIG_RT_BACKTRACE_LEVEL_MAX_NR=32
-# CONFIG_RT_USING_CACHE is not set
+# end of RT-Thread Kernel
+
 CONFIG_RT_USING_HW_ATOMIC=y
-# CONFIG_ARCH_ARM_BOOTWITH_FLUSH_CACHE is not set
-# CONFIG_ARCH_CPU_STACK_GROWS_UPWARD is not set
-# CONFIG_RT_USING_CPU_FFS is not set
 CONFIG_ARCH_RISCV=y
 
 #
@@ -97,8 +104,8 @@ CONFIG_RT_USING_MSH=y
 CONFIG_RT_USING_FINSH=y
 CONFIG_FINSH_USING_MSH=y
 CONFIG_FINSH_THREAD_NAME="tshell"
-CONFIG_FINSH_THREAD_PRIORITY=20
-CONFIG_FINSH_THREAD_STACK_SIZE=1024
+CONFIG_FINSH_THREAD_PRIORITY=11
+CONFIG_FINSH_THREAD_STACK_SIZE=2048
 CONFIG_FINSH_USING_HISTORY=y
 CONFIG_FINSH_HISTORY_LINES=5
 CONFIG_FINSH_USING_SYMTAB=y
@@ -114,12 +121,15 @@ CONFIG_FINSH_USING_OPTION_COMPLETION=y
 # DFS: device virtual file system
 #
 # CONFIG_RT_USING_DFS is not set
+# end of DFS: device virtual file system
+
 # CONFIG_RT_USING_FAL is not set
 
 #
 # Device Drivers
 #
 # CONFIG_RT_USING_DM is not set
+# CONFIG_RT_USING_DEV_BUS is not set
 CONFIG_RT_USING_DEVICE_IPC=y
 CONFIG_RT_UNAMED_PIPE_NUMBER=64
 # CONFIG_RT_USING_SYSTEM_WORKQUEUE is not set
@@ -138,6 +148,8 @@ CONFIG_RT_SERIAL_RB_BUFSZ=64
 # CONFIG_RT_USING_ZERO is not set
 # CONFIG_RT_USING_RANDOM is not set
 # CONFIG_RT_USING_PWM is not set
+# CONFIG_RT_USING_PULSE_ENCODER is not set
+# CONFIG_RT_USING_INPUT_CAPTURE is not set
 # CONFIG_RT_USING_MTD_NOR is not set
 # CONFIG_RT_USING_MTD_NAND is not set
 # CONFIG_RT_USING_PM is not set
@@ -150,21 +162,13 @@ CONFIG_RT_SERIAL_RB_BUFSZ=64
 # CONFIG_RT_USING_TOUCH is not set
 # CONFIG_RT_USING_LCD is not set
 # CONFIG_RT_USING_HWCRYPTO is not set
-# CONFIG_RT_USING_PULSE_ENCODER is not set
-# CONFIG_RT_USING_INPUT_CAPTURE is not set
-# CONFIG_RT_USING_DEV_BUS is not set
 # CONFIG_RT_USING_WIFI is not set
 # CONFIG_RT_USING_VIRTIO is not set
 CONFIG_RT_USING_PIN=y
 # CONFIG_RT_USING_KTIME is not set
 # CONFIG_RT_USING_HWTIMER is not set
-
-#
-# Using USB
-#
-# CONFIG_RT_USING_USB is not set
-# CONFIG_RT_USING_USB_HOST is not set
-# CONFIG_RT_USING_USB_DEVICE is not set
+# CONFIG_RT_USING_CHERRYUSB is not set
+# end of Device Drivers
 
 #
 # C/C++ and POSIX layer
@@ -182,6 +186,8 @@ CONFIG_RT_LIBC_USING_LIGHT_TZ_DST=y
 CONFIG_RT_LIBC_TZ_DEFAULT_HOUR=8
 CONFIG_RT_LIBC_TZ_DEFAULT_MIN=0
 CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
+# end of Timezone and Daylight Saving Time
+# end of ISO-ANSI C layer
 
 #
 # POSIX (Portable Operating System Interface) layer
@@ -203,7 +209,11 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 #
 # Socket is in the 'Network' category
 #
+# end of Interprocess Communication (IPC)
+# end of POSIX (Portable Operating System Interface) layer
+
 # CONFIG_RT_USING_CPLUSPLUS is not set
+# end of C/C++ and POSIX layer
 
 #
 # Network
@@ -212,12 +222,14 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_RT_USING_NETDEV is not set
 # CONFIG_RT_USING_LWIP is not set
 # CONFIG_RT_USING_AT is not set
+# end of Network
 
 #
 # Memory protection
 #
 # CONFIG_RT_USING_MEM_PROTECTION is not set
 # CONFIG_RT_USING_HW_STACK_GUARD is not set
+# end of Memory protection
 
 #
 # Utilities
@@ -229,12 +241,25 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_RT_USING_RESOURCE_ID is not set
 # CONFIG_RT_USING_ADT is not set
 # CONFIG_RT_USING_RT_LINK is not set
+# end of Utilities
+
 # CONFIG_RT_USING_VBUS is not set
 
+#
+# Using USB legacy version
+#
+# CONFIG_RT_USING_USB_HOST is not set
+# CONFIG_RT_USING_USB_DEVICE is not set
+# end of Using USB legacy version
+
+# CONFIG_RT_USING_FDT is not set
+# end of RT-Thread Components
+
 #
 # RT-Thread Utestcases
 #
 # CONFIG_RT_USING_UTESTCASES is not set
+# end of RT-Thread Utestcases
 
 #
 # RT-Thread online packages
@@ -243,7 +268,6 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 #
 # IoT - internet of things
 #
-# CONFIG_PKG_USING_LWIP is not set
 # CONFIG_PKG_USING_LORAWAN_DRIVER is not set
 # CONFIG_PKG_USING_PAHOMQTT is not set
 # CONFIG_PKG_USING_UMQTT is not set
@@ -256,6 +280,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_WEBTERMINAL is not set
 # CONFIG_PKG_USING_FREEMODBUS is not set
 # CONFIG_PKG_USING_NANOPB is not set
+# CONFIG_PKG_USING_WIFI_HOST_DRIVER is not set
 
 #
 # Wi-Fi
@@ -265,27 +290,35 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # Marvell WiFi
 #
 # CONFIG_PKG_USING_WLANMARVELL is not set
+# end of Marvell WiFi
 
 #
 # Wiced WiFi
 #
 # CONFIG_PKG_USING_WLAN_WICED is not set
+# end of Wiced WiFi
+
 # CONFIG_PKG_USING_RW007 is not set
 
 #
 # CYW43012 WiFi
 #
 # CONFIG_PKG_USING_WLAN_CYW43012 is not set
+# end of CYW43012 WiFi
 
 #
 # BL808 WiFi
 #
 # CONFIG_PKG_USING_WLAN_BL808 is not set
+# end of BL808 WiFi
 
 #
 # CYW43439 WiFi
 #
 # CONFIG_PKG_USING_WLAN_CYW43439 is not set
+# end of CYW43439 WiFi
+# end of Wi-Fi
+
 # CONFIG_PKG_USING_COAP is not set
 # CONFIG_PKG_USING_NOPOLL is not set
 # CONFIG_PKG_USING_NETUTILS is not set
@@ -308,6 +341,8 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_UCLOUD_IOT_SDK is not set
 # CONFIG_PKG_USING_JOYLINK is not set
 # CONFIG_PKG_USING_IOTSHARP_SDK is not set
+# end of IoT Cloud
+
 # CONFIG_PKG_USING_NIMBLE is not set
 # CONFIG_PKG_USING_LLSYNC_SDK_ADAPTER is not set
 # CONFIG_PKG_USING_OTA_DOWNLOADER is not set
@@ -350,6 +385,8 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_ZEPHYR_POLLING is not set
 # CONFIG_PKG_USING_MATTER_ADAPTATION_LAYER is not set
 # CONFIG_PKG_USING_LHC_MODBUS is not set
+# CONFIG_PKG_USING_QMODBUS is not set
+# end of IoT - internet of things
 
 #
 # security packages
@@ -360,6 +397,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_TINYCRYPT is not set
 # CONFIG_PKG_USING_TFM is not set
 # CONFIG_PKG_USING_YD_CRYPTO is not set
+# end of security packages
 
 #
 # language packages
@@ -375,18 +413,22 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_JSMN is not set
 # CONFIG_PKG_USING_AGILE_JSMN is not set
 # CONFIG_PKG_USING_PARSON is not set
+# end of JSON: JavaScript Object Notation, a lightweight data-interchange format
 
 #
 # XML: Extensible Markup Language
 #
 # CONFIG_PKG_USING_SIMPLE_XML is not set
 # CONFIG_PKG_USING_EZXML is not set
+# end of XML: Extensible Markup Language
+
 # CONFIG_PKG_USING_LUATOS_SOC is not set
 # CONFIG_PKG_USING_LUA is not set
 # CONFIG_PKG_USING_JERRYSCRIPT is not set
 # CONFIG_PKG_USING_MICROPYTHON is not set
 # CONFIG_PKG_USING_PIKASCRIPT is not set
 # CONFIG_PKG_USING_RTT_RUST is not set
+# end of language packages
 
 #
 # multimedia packages
@@ -398,12 +440,15 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_LVGL is not set
 # CONFIG_PKG_USING_LV_MUSIC_DEMO is not set
 # CONFIG_PKG_USING_GUI_GUIDER_DEMO is not set
+# end of LVGL: powerful and easy-to-use embedded GUI library
 
 #
 # u8g2: a monochrome graphic library
 #
 # CONFIG_PKG_USING_U8G2_OFFICIAL is not set
 # CONFIG_PKG_USING_U8G2 is not set
+# end of u8g2: a monochrome graphic library
+
 # CONFIG_PKG_USING_OPENMV is not set
 # CONFIG_PKG_USING_MUPDF is not set
 # CONFIG_PKG_USING_STEMWIN is not set
@@ -423,6 +468,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_QRCODE is not set
 # CONFIG_PKG_USING_GUIENGINE is not set
 # CONFIG_PKG_USING_3GPP_AMRNB is not set
+# end of multimedia packages
 
 #
 # tools packages
@@ -471,6 +517,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_ARMV7M_DWT_TOOL is not set
 # CONFIG_PKG_USING_VOFA_PLUS is not set
 # CONFIG_PKG_USING_ZDEBUG is not set
+# end of tools packages
 
 #
 # system packages
@@ -482,6 +529,9 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_RT_MEMCPY_CM is not set
 # CONFIG_PKG_USING_RT_KPRINTF_THREADSAFE is not set
 # CONFIG_PKG_USING_RT_VSNPRINTF_FULL is not set
+# end of enhanced kernel services
+
+# CONFIG_PKG_USING_AUNITY is not set
 
 #
 # acceleration: Assembly language or algorithmic acceleration packages
@@ -489,6 +539,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_QFPLIB_M0_FULL is not set
 # CONFIG_PKG_USING_QFPLIB_M0_TINY is not set
 # CONFIG_PKG_USING_QFPLIB_M3 is not set
+# end of acceleration: Assembly language or algorithmic acceleration packages
 
 #
 # CMSIS: ARM Cortex-M Microcontroller Software Interface Standard
@@ -499,6 +550,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_CMSIS_NN is not set
 # CONFIG_PKG_USING_CMSIS_RTOS1 is not set
 # CONFIG_PKG_USING_CMSIS_RTOS2 is not set
+# end of CMSIS: ARM Cortex-M Microcontroller Software Interface Standard
 
 #
 # Micrium: Micrium software products porting for RT-Thread
@@ -509,6 +561,8 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_UC_CLK is not set
 # CONFIG_PKG_USING_UC_COMMON is not set
 # CONFIG_PKG_USING_UC_MODBUS is not set
+# end of Micrium: Micrium software products porting for RT-Thread
+
 # CONFIG_PKG_USING_FREERTOS_WRAPPER is not set
 # CONFIG_PKG_USING_LITEOS_SDK is not set
 # CONFIG_PKG_USING_TZ_DATABASE is not set
@@ -556,6 +610,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_RTP is not set
 # CONFIG_PKG_USING_REB is not set
 # CONFIG_PKG_USING_R_RHEALSTONE is not set
+# end of system packages
 
 #
 # peripheral libraries and drivers
@@ -568,9 +623,27 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 #
 # STM32 HAL & SDK Drivers
 #
-# CONFIG_PKG_USING_STM32L4XX_HAL_DRIVER is not set
+# CONFIG_PKG_USING_STM32L4_HAL_DRIVER is not set
+# CONFIG_PKG_USING_STM32L4_CMSIS_DRIVER is not set
 # CONFIG_PKG_USING_STM32WB55_SDK is not set
 # CONFIG_PKG_USING_STM32_SDIO is not set
+# end of STM32 HAL & SDK Drivers
+
+#
+# Infineon HAL Packages
+#
+# CONFIG_PKG_USING_INFINEON_CAT1CM0P is not set
+# CONFIG_PKG_USING_INFINEON_CMSIS is not set
+# CONFIG_PKG_USING_INFINEON_CORE_LIB is not set
+# CONFIG_PKG_USING_INFINEON_MTB_HAL_CAT1 is not set
+# CONFIG_PKG_USING_INFINEON_MTB_PDL_CAT1 is not set
+# CONFIG_PKG_USING_INFINEON_RETARGET_IO is not set
+# CONFIG_PKG_USING_INFINEON_CAPSENSE is not set
+# CONFIG_PKG_USING_INFINEON_CSDIDAC is not set
+# CONFIG_PKG_USING_INFINEON_SERIAL_FLASH is not set
+# CONFIG_PKG_USING_INFINEON_USBDEV is not set
+# end of Infineon HAL Packages
+
 # CONFIG_PKG_USING_BLUETRUM_SDK is not set
 # CONFIG_PKG_USING_EMBARC_BSP is not set
 # CONFIG_PKG_USING_ESP_IDF is not set
@@ -580,10 +653,13 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 #
 # CONFIG_PKG_USING_K210_SDK is not set
 # CONFIG_PKG_USING_KENDRYTE_SDK is not set
+# end of Kendryte SDK
+
 # CONFIG_PKG_USING_NRF5X_SDK is not set
 # CONFIG_PKG_USING_NRFX is not set
 # CONFIG_PKG_USING_NUCLEI_SDK is not set
 # CONFIG_PKG_USING_RASPBERRYPI_PICO_SDK is not set
+# end of HAL & SDK Drivers
 
 #
 # sensors drivers
@@ -653,6 +729,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_ICM20608 is not set
 # CONFIG_PKG_USING_PAJ7620 is not set
 # CONFIG_PKG_USING_STHS34PF80 is not set
+# end of sensors drivers
 
 #
 # touch drivers
@@ -667,6 +744,8 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_XPT2046_TOUCH is not set
 # CONFIG_PKG_USING_CST816X is not set
 # CONFIG_PKG_USING_CST812T is not set
+# end of touch drivers
+
 # CONFIG_PKG_USING_REALTEK_AMEBA is not set
 # CONFIG_PKG_USING_BUTTON is not set
 # CONFIG_PKG_USING_PCF8574 is not set
@@ -739,6 +818,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_BT_MX01 is not set
 # CONFIG_PKG_USING_RGPOWER is not set
 # CONFIG_PKG_USING_SPI_TOOLS is not set
+# end of peripheral libraries and drivers
 
 #
 # AI packages
@@ -753,15 +833,18 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_QUEST is not set
 # CONFIG_PKG_USING_NAXOS is not set
 # CONFIG_PKG_USING_R_TINYMAIX is not set
+# end of AI packages
 
 #
 # Signal Processing and Control Algorithm Packages
 #
+# CONFIG_PKG_USING_APID is not set
 # CONFIG_PKG_USING_FIRE_PID_CURVE is not set
 # CONFIG_PKG_USING_QPID is not set
 # CONFIG_PKG_USING_UKAL is not set
 # CONFIG_PKG_USING_DIGITALCTRL is not set
 # CONFIG_PKG_USING_KISSFFT is not set
+# end of Signal Processing and Control Algorithm Packages
 
 #
 # miscellaneous packages
@@ -770,6 +853,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 #
 # project laboratory
 #
+# end of project laboratory
 
 #
 # samples: kernel and components samples
@@ -778,6 +862,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_FILESYSTEM_SAMPLES is not set
 # CONFIG_PKG_USING_NETWORK_SAMPLES is not set
 # CONFIG_PKG_USING_PERIPHERAL_SAMPLES is not set
+# end of samples: kernel and components samples
 
 #
 # entertainment: terminal games and other interesting software packages
@@ -793,6 +878,8 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_DONUT is not set
 # CONFIG_PKG_USING_COWSAY is not set
 # CONFIG_PKG_USING_MORSE is not set
+# end of entertainment: terminal games and other interesting software packages
+
 # CONFIG_PKG_USING_LIBCSV is not set
 # CONFIG_PKG_USING_OPTPARSE is not set
 # CONFIG_PKG_USING_FASTLZ is not set
@@ -826,6 +913,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_SOEM is not set
 # CONFIG_PKG_USING_QPARAM is not set
 # CONFIG_PKG_USING_CorevMCU_CLI is not set
+# end of miscellaneous packages
 
 #
 # Arduino libraries
@@ -841,6 +929,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_ARDUINO_NINEINONE_SENSOR_SHIELD is not set
 # CONFIG_PKG_USING_ARDUINO_SENSOR_KIT is not set
 # CONFIG_PKG_USING_ARDUINO_MATLAB_SUPPORT is not set
+# end of Projects and Demos
 
 #
 # Sensors
@@ -980,6 +1069,8 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_ARDUINO_SEEED_LTC2941 is not set
 # CONFIG_PKG_USING_ARDUINO_SEEED_LDC1612 is not set
 # CONFIG_PKG_USING_ARDUINO_CAPACITIVESENSOR is not set
+# CONFIG_PKG_USING_ARDUINO_JARZEBSKI_MPU6050 is not set
+# end of Sensors
 
 #
 # Display
@@ -991,6 +1082,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_ARDUINO_ADAFRUIT_SSD1306 is not set
 # CONFIG_PKG_USING_ARDUINO_ADAFRUIT_ILI9341 is not set
 # CONFIG_PKG_USING_SEEED_TM1637 is not set
+# end of Display
 
 #
 # Timing
@@ -999,6 +1091,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_ARDUINO_MSTIMER2 is not set
 # CONFIG_PKG_USING_ARDUINO_TICKER is not set
 # CONFIG_PKG_USING_ARDUINO_TASKSCHEDULER is not set
+# end of Timing
 
 #
 # Data Processing
@@ -1006,6 +1099,8 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_ARDUINO_KALMANFILTER is not set
 # CONFIG_PKG_USING_ARDUINO_ARDUINOJSON is not set
 # CONFIG_PKG_USING_ARDUINO_TENSORFLOW_LITE_MICRO is not set
+# CONFIG_PKG_USING_ARDUINO_RUNNINGMEDIAN is not set
+# end of Data Processing
 
 #
 # Data Storage
@@ -1016,6 +1111,7 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 #
 # CONFIG_PKG_USING_ARDUINO_ADAFRUIT_PN532 is not set
 # CONFIG_PKG_USING_ARDUINO_ADAFRUIT_SI4713 is not set
+# end of Communication
 
 #
 # Device Control
@@ -1027,12 +1123,14 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_ARDUINO_ADAFRUIT_DS1841 is not set
 # CONFIG_PKG_USING_ARDUINO_ADAFRUIT_DS3502 is not set
 # CONFIG_PKG_USING_ARDUINO_SEEED_PCF85063TP is not set
+# end of Device Control
 
 #
 # Other
 #
 # CONFIG_PKG_USING_ARDUINO_ADAFRUIT_MFRC630 is not set
 # CONFIG_PKG_USING_ARDUINO_ADAFRUIT_SI5351 is not set
+# end of Other
 
 #
 # Signal IO
@@ -1045,10 +1143,14 @@ CONFIG_RT_LIBC_TZ_DEFAULT_SEC=0
 # CONFIG_PKG_USING_ARDUINO_ADAFRUIT_MCP3008 is not set
 # CONFIG_PKG_USING_ARDUINO_ADAFRUIT_MCP4725 is not set
 # CONFIG_PKG_USING_ARDUINO_ADAFRUIT_BD3491FS is not set
+# end of Signal IO
 
 #
 # Uncategorized
 #
+# end of Arduino libraries
+# end of RT-Thread online packages
+
 CONFIG_SOC_RISCV_FAMILY_CH32=y
 CONFIG_SOC_RISCV_SERIES_CH32V3=y
 
@@ -1061,6 +1163,7 @@ CONFIG_SOC_CH32V307VC=y
 # Onboard Peripheral Drivers
 #
 # CONFIG_BSP_USING_ARDUINO is not set
+# end of Onboard Peripheral Drivers
 
 #
 # On-chip Peripheral Drivers
@@ -1077,6 +1180,10 @@ CONFIG_BSP_USING_UART1=y
 # CONFIG_BSP_USING_UART8 is not set
 # CONFIG_BSP_USING_ADC is not set
 # CONFIG_BSP_USING_DAC is not set
+# CONFIG_BSP_USING_ETH is not set
+# CONFIG_BSP_USING_USBH is not set
+# CONFIG_BSP_USING_USBD is not set
+# CONFIG_BSP_USING_I2C is not set
 # CONFIG_BSP_USING_SOFT_I2C is not set
 # CONFIG_BSP_USING_SPI is not set
 # CONFIG_BSP_USING_SOFT_SPI is not set
@@ -1085,7 +1192,9 @@ CONFIG_LSI_VALUE=40000
 # CONFIG_BSP_USING_IWDT is not set
 # CONFIG_BSP_USING_CAN is not set
 # CONFIG_BSP_USING_TIM is not set
+# end of On-chip Peripheral Drivers
 
 #
 # Board extended module Drivers
 #
+# end of Hardware Drivers Config

bsp/wch/risc-v/ch32v307v-r1/board/Kconfig

@@ -121,6 +121,13 @@ menu "On-chip Peripheral Drivers"
                 default n
         endif
 
+    menuconfig BSP_USING_ETH
+        bool "Enable Ethernet"
+        default n
+        select RT_USING_LWIP
+        select RT_USING_NETDEV
+        select RT_USING_SAL
+
     config BSP_USING_USBH
         bool "Enable USB Host"
         select RT_USING_USB_HOST

bsp/wch/risc-v/ch32v307v-r1/rtconfig.h

@@ -1,9 +1,6 @@
 #ifndef RT_CONFIG_H__
 #define RT_CONFIG_H__
 
-/* Automatically generated file; DO NOT EDIT. */
-/* RT-Thread Configuration */
-
 /* RT-Thread Kernel */
 
 #define RT_NAME_MAX 8
@@ -23,7 +20,13 @@
 
 /* kservice optimization */
 
+/* end of kservice optimization */
+
+/* klibc optimization */
+
+/* end of klibc optimization */
 #define RT_USING_DEBUG
+#define RT_DEBUGING_ASSERT
 #define RT_DEBUGING_COLOR
 #define RT_DEBUGING_CONTEXT
 
@@ -34,18 +37,21 @@
 #define RT_USING_EVENT
 #define RT_USING_MAILBOX
 #define RT_USING_MESSAGEQUEUE
+/* end of Inter-Thread communication */
 
 /* Memory Management */
 
 #define RT_USING_SMALL_MEM
 #define RT_USING_SMALL_MEM_AS_HEAP
 #define RT_USING_HEAP
+/* end of Memory Management */
 #define RT_USING_DEVICE
 #define RT_USING_CONSOLE
 #define RT_CONSOLEBUF_SIZE 128
 #define RT_CONSOLE_DEVICE_NAME "uart1"
-#define RT_VER_NUM 0x50100
+#define RT_VER_NUM 0x50200
 #define RT_BACKTRACE_LEVEL_MAX_NR 32
+/* end of RT-Thread Kernel */
 #define RT_USING_HW_ATOMIC
 #define ARCH_RISCV
 
@@ -59,8 +65,8 @@
 #define RT_USING_FINSH
 #define FINSH_USING_MSH
 #define FINSH_THREAD_NAME "tshell"
-#define FINSH_THREAD_PRIORITY 20
-#define FINSH_THREAD_STACK_SIZE 1024
+#define FINSH_THREAD_PRIORITY 11
+#define FINSH_THREAD_STACK_SIZE 2048
 #define FINSH_USING_HISTORY
 #define FINSH_HISTORY_LINES 5
 #define FINSH_USING_SYMTAB
@@ -72,6 +78,7 @@
 
 /* DFS: device virtual file system */
 
+/* end of DFS: device virtual file system */
 
 /* Device Drivers */
 
@@ -81,9 +88,7 @@
 #define RT_USING_SERIAL_V1
 #define RT_SERIAL_RB_BUFSZ 64
 #define RT_USING_PIN
-
-/* Using USB */
-
+/* end of Device Drivers */
 
 /* C/C++ and POSIX layer */
 
@@ -95,6 +100,8 @@
 #define RT_LIBC_TZ_DEFAULT_HOUR 8
 #define RT_LIBC_TZ_DEFAULT_MIN 0
 #define RT_LIBC_TZ_DEFAULT_SEC 0
+/* end of Timezone and Daylight Saving Time */
+/* end of ISO-ANSI C layer */
 
 /* POSIX (Portable Operating System Interface) layer */
 
@@ -104,18 +111,30 @@
 
 /* Socket is in the 'Network' category */
 
+/* end of Interprocess Communication (IPC) */
+/* end of POSIX (Portable Operating System Interface) layer */
+/* end of C/C++ and POSIX layer */
 
 /* Network */
 
+/* end of Network */
 
 /* Memory protection */
 
+/* end of Memory protection */
 
 /* Utilities */
 
+/* end of Utilities */
+
+/* Using USB legacy version */
+
+/* end of Using USB legacy version */
+/* end of RT-Thread Components */
 
 /* RT-Thread Utestcases */
 
+/* end of RT-Thread Utestcases */
 
 /* RT-Thread online packages */
 
@@ -126,57 +145,78 @@
 
 /* Marvell WiFi */
 
+/* end of Marvell WiFi */
 
 /* Wiced WiFi */
 
+/* end of Wiced WiFi */
 
 /* CYW43012 WiFi */
 
+/* end of CYW43012 WiFi */
 
 /* BL808 WiFi */
 
+/* end of BL808 WiFi */
 
 /* CYW43439 WiFi */
 
+/* end of CYW43439 WiFi */
+/* end of Wi-Fi */
 
 /* IoT Cloud */
 
+/* end of IoT Cloud */
+/* end of IoT - internet of things */
 
 /* security packages */
 
+/* end of security packages */
 
 /* language packages */
 
 /* JSON: JavaScript Object Notation, a lightweight data-interchange format */
 
+/* end of JSON: JavaScript Object Notation, a lightweight data-interchange format */
 
 /* XML: Extensible Markup Language */
 
+/* end of XML: Extensible Markup Language */
+/* end of language packages */
 
 /* multimedia packages */
 
 /* LVGL: powerful and easy-to-use embedded GUI library */
 
+/* end of LVGL: powerful and easy-to-use embedded GUI library */
 
 /* u8g2: a monochrome graphic library */
 
+/* end of u8g2: a monochrome graphic library */
+/* end of multimedia packages */
 
 /* tools packages */
 
+/* end of tools packages */
 
 /* system packages */
 
 /* enhanced kernel services */
 
+/* end of enhanced kernel services */
 
 /* acceleration: Assembly language or algorithmic acceleration packages */
 
+/* end of acceleration: Assembly language or algorithmic acceleration packages */
 
 /* CMSIS: ARM Cortex-M Microcontroller Software Interface Standard */
 
+/* end of CMSIS: ARM Cortex-M Microcontroller Software Interface Standard */
 
 /* Micrium: Micrium software products porting for RT-Thread */
 
+/* end of Micrium: Micrium software products porting for RT-Thread */
+/* end of system packages */
 
 /* peripheral libraries and drivers */
 
@@ -184,66 +224,94 @@
 
 /* STM32 HAL & SDK Drivers */
 
+/* end of STM32 HAL & SDK Drivers */
+
+/* Infineon HAL Packages */
+
+/* end of Infineon HAL Packages */
 
 /* Kendryte SDK */
 
+/* end of Kendryte SDK */
+/* end of HAL & SDK Drivers */
 
 /* sensors drivers */
 
+/* end of sensors drivers */
 
 /* touch drivers */
 
+/* end of touch drivers */
+/* end of peripheral libraries and drivers */
 
 /* AI packages */
 
+/* end of AI packages */
 
 /* Signal Processing and Control Algorithm Packages */
 
+/* end of Signal Processing and Control Algorithm Packages */
 
 /* miscellaneous packages */
 
 /* project laboratory */
 
+/* end of project laboratory */
+
 /* samples: kernel and components samples */
 
+/* end of samples: kernel and components samples */
 
 /* entertainment: terminal games and other interesting software packages */
 
+/* end of entertainment: terminal games and other interesting software packages */
+/* end of miscellaneous packages */
 
 /* Arduino libraries */
 
 
 /* Projects and Demos */
 
+/* end of Projects and Demos */
 
 /* Sensors */
 
+/* end of Sensors */
 
 /* Display */
 
+/* end of Display */
 
 /* Timing */
 
+/* end of Timing */
 
 /* Data Processing */
 
+/* end of Data Processing */
 
 /* Data Storage */
 
 /* Communication */
 
+/* end of Communication */
 
 /* Device Control */
 
+/* end of Device Control */
 
 /* Other */
 
+/* end of Other */
 
 /* Signal IO */
 
+/* end of Signal IO */
 
 /* Uncategorized */
 
+/* end of Arduino libraries */
+/* end of RT-Thread online packages */
 #define SOC_RISCV_FAMILY_CH32
 #define SOC_RISCV_SERIES_CH32V3
 
@@ -253,6 +321,7 @@
 
 /* Onboard Peripheral Drivers */
 
+/* end of Onboard Peripheral Drivers */
 
 /* On-chip Peripheral Drivers */
 
@@ -260,8 +329,10 @@
 #define BSP_USING_UART
 #define BSP_USING_UART1
 #define LSI_VALUE 40000
+/* end of On-chip Peripheral Drivers */
 
 /* Board extended module Drivers */
 
+/* end of Hardware Drivers Config */
 
 #endif

bsp/wch/risc-v/ch32v307v-r1/rtconfig.py

@@ -52,7 +52,7 @@ if PLATFORM == 'gcc':
     LPATH = ''
 
     if BUILD == 'debug':
-        CFLAGS += ' -O0 -g3'
+        CFLAGS += ' -Os -g3'
         AFLAGS += ' -g3'
     else:
         CFLAGS += ' -O2'

libcpu/risc-v/common/context_gcc.S

@@ -48,6 +48,9 @@ rt_hw_interrupt_enable:
     .globl rt_hw_context_switch_to
 rt_hw_context_switch_to:
     la t0, __rt_rvstack
+#ifdef SOC_RISCV_FAMILY_CH32
+    addi t0, t0, -512 // for ch32
+#endif /* SOC_RISCV_FAMILY_CH32 */
     csrw mscratch,t0
 
     LOAD sp, (a0)