V2.31

EVT/EXAM/ETH/MAC_RAW/.template

@@ -12,5 +12,5 @@ Series=CH32V203
 Description=ROM(byte): 64K, SRAM(byte): 20K, CHIP PINS: 32, GPIO PORTS: 27.\nWCH CH32V2 series of mainstream MCUs covers the needs of a large variety of applications in the industrial,medical and consumer markets. High performance with first-class peripherals and low-power,low-voltage operation is paired with a high level of integration at accessible prices with a simple architecture and easy-to-use tools.
 
 PeripheralVersion=1.0
-MCU=CH32V203RBT6
+MCU=CH32V203RBT
 Target Path=obj/MAC_RAW.hex

EVT/EXAM/ETH/MAC_RAW/ETH_Driver/eth_driver.c

@@ -488,10 +488,13 @@ void ETH_Configuration( uint8_t *macAddr )
 uint32_t MACRAW_Tx(uint8_t *buff, uint16_t len)
 {
      /* Check if the descriptor is owned by the ETHERNET DMA (when set) or CPU (when reset) */
-    if( DMATxDescToSet->Status & ETH_DMATxDesc_OWN )
+    if((DMATxDescToSet->Status & ETH_DMATxDesc_OWN))
     {
-        /* Return ERROR: OWN bit set */
-        return ETH_ERROR;
+        if((R8_ETH_ECON1 & RB_ETH_ECON1_TXRTS) == 0)       
+        {            
+            DMATxDescToSet->Status &= ~ETH_DMATxDesc_OWN;        
+        } 
+        else return ETH_ERROR;
     }
     DMATxDescToSet->Status |= ETH_DMATxDesc_OWN;
     R16_ETH_ETXLN = len;

EVT/EXAM/ETH/MAC_RAW/User/system_ch32v20x.c

@@ -4,7 +4,7 @@
  * Version            : V1.0.0
  * Date               : 2021/06/06
  * Description        : CH32V20x Device Peripheral Access Layer System Source File.
- *                      For HSE = 32Mhz (CH32V208x/CH32V203RBT6)
+ *                      For HSE = 32Mhz (CH32V208x/CH32V203RBT)
  *                      For HSE = 8Mhz (other CH32V203x)
 *********************************************************************************
 * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.