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update 1.8

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This commit is contained in:
qiyongshuang
2023-09-06 10:08:11 +08:00
parent b79c6ac80d
commit 64be955461
760 changed files with 42517 additions and 30957 deletions
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EVT/EXAM/ETH/NetLib/eth_driver.c
+93 -29
View File
@@ -9,9 +9,7 @@
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "string.h"
#include "debug.h"
#include "eth_driver.h"
__attribute__((__aligned__(4))) ETH_DMADESCTypeDef DMARxDscrTab[ETH_RXBUFNB]; /* MAC receive descriptor, 4-byte aligned*/
@@ -45,18 +43,20 @@ const uint16_t MemSize[8] = {WCHNET_MEM_ALIGN_SIZE(WCHNET_SIZE_IPRAW_PCB),
uint32_t volatile LocalTime;
ETH_DMADESCTypeDef *DMATxDescToSet;
uint32_t phyLinkTime;
uint8_t phyLinkStatus = 0;
uint8_t phyStatus = 0;
uint8_t phyPN = 0x01;
uint8_t phyPNChangeCnt = 0;
uint8_t phyLinkCnt = 0;
uint8_t phyRetryCnt = 0;
uint8_t phySucCnt = 0;
ETH_DMADESCTypeDef *DMARxDescToGet;
ETH_DMADESCTypeDef *pDMARxSet;
volatile uint8_t phyLinkReset;
volatile uint32_t phyLinkTime;
uint8_t phyPN = 0x01;
uint8_t phyStatus = 0;
uint8_t phySucCnt = 0;
uint8_t phyLinkCnt = 0;
uint8_t phyRetryCnt = 0;
uint8_t CRCErrPktCnt = 0;
uint8_t phyLinkStatus = 0;
uint8_t phyPNChangeCnt = 0;
uint8_t PhyPolarityDetect = 0;
/*********************************************************************
* @fn WCHNET_GetMacAddr
*
@@ -242,6 +242,32 @@ void WCHNET_LinkProcess( void )
}
}
/*********************************************************************
* @fn WCHNET_PhyPNProcess
*
* @brief Phy PN Polarity related processing
*
* @param none.
*
* @return none.
*/
void WCHNET_PhyPNProcess(void)
{
uint32_t PhyVal;
phyLinkTime = LocalTime;
if(CRCErrPktCnt >= 3)
{
PhyVal = ReadPHYReg(PHY_MDIX);
if((PhyVal >> 2) & 0x01)
PhyVal &= ~(3 << 2); //change PHY PN Polarity to normal
else
PhyVal |= 1 << 2; //change PHY PN Polarity to reverse
WritePHYReg(PHY_MDIX, PhyVal);
CRCErrPktCnt = 0;
}
}
/*********************************************************************
* @fn WCHNET_HandlePhyNegotiation
*
@@ -253,14 +279,34 @@ void WCHNET_LinkProcess( void )
*/
void WCHNET_HandlePhyNegotiation(void)
{
if( !phyStatus ) /* Handling PHY Negotiation Exceptions */
if(phyLinkReset) /* After the PHY link is disconnected, wait 500ms before turning on the PHY clock*/
{
if(phyLinkTime > LocalTime)
phyLinkTime = LocalTime;
if( LocalTime - phyLinkTime >= PHY_LINK_TASK_PERIOD ) /* 50ms cycle timing call */
if( LocalTime - phyLinkTime >= 500 )
{
phyLinkTime = LocalTime;
WCHNET_LinkProcess( );
phyLinkReset = 0;
EXTEN->EXTEN_CTR |= EXTEN_ETH_10M_EN;
WritePHYReg(PHY_BMCR, PHY_Reset);
PHY_NEGOTIATION_PARAM_INIT();
}
}
else
{
if( !phyStatus ) /* Handling PHY Negotiation Exceptions */
{
if( LocalTime - phyLinkTime >= PHY_LINK_TASK_PERIOD ) /* 50ms cycle timing call */
{
phyLinkTime = LocalTime;
WCHNET_LinkProcess( );
}
}
else{
if(PhyPolarityDetect)
{
if( LocalTime - phyLinkTime >= 2 * PHY_LINK_TASK_PERIOD )
{
WCHNET_PhyPNProcess();
}
}
}
}
}
@@ -404,7 +450,6 @@ void ETH_Start(void)
{
R16_ETH_ERXST = DMARxDescToGet->Buffer1Addr;
R8_ETH_ECON1 |= RB_ETH_ECON1_RXEN; //receive enable
EXTEN->EXTEN_CTR |= EXTEN_ETH_10M_EN;
}
/*********************************************************************
@@ -462,14 +507,17 @@ void ETH_Configuration( uint8_t *macAddr )
R8_ETH_MACON2 |= RB_ETH_MACON2_TXCRCEN; //Hardware padded CRC
R8_ETH_MACON2 &= ~RB_ETH_MACON2_HFRMEN; //Jumbo frames are not received
R16_ETH_MAMXFL = ETH_MAX_PACKET_SIZE;
EXTEN->EXTEN_CTR |= EXTEN_ETH_10M_EN;
}
/*********************************************************************
* @fn ETH_TxPktChainMode
*
* @brief MAC send a Ethernet frame in chain mode.
* @brief Ethernet sends data frames in chain mode.
*
* @param Send length
* @param len Send data length
* pBuff send buffer pointer
*
* @return Send status.
*/
@@ -493,22 +541,24 @@ uint32_t ETH_TxPktChainMode(uint16_t len, uint32_t *pBuff )
return ETH_SUCCESS;
}
/*********************************************************************
* @fn ETH_PHYLink
*
* @brief
*
* @return none
*/
void ETH_PHYLink( void )
{
uint16_t RegValue;
uint32_t phy_stat, phy_anlpar;
phy_anlpar = ReadPHYReg(PHY_ANLPAR);
phy_stat = ReadPHYReg(PHY_BMSR); //Read PHY Status Register
if((phy_stat&(PHY_Linked_Status))&&(phy_anlpar == 0)){ //restart negotiation
RegValue = ReadPHYReg(PHY_BMCR);
RegValue |= PHY_Reset;
WritePHYReg(PHY_BMCR, RegValue);
EXTEN->EXTEN_CTR &= ~EXTEN_ETH_10M_EN;
Delay_Ms(500);
EXTEN->EXTEN_CTR |= EXTEN_ETH_10M_EN;
PHY_NEGOTIATION_PARAM_INIT();
phyLinkReset = 1;
phyLinkTime = LocalTime;
return;
}
WCHNET_PhyStatus( phy_stat );
@@ -523,11 +573,19 @@ void ETH_PHYLink( void )
{
R8_ETH_MACON2 &= ~RB_ETH_MACON2_FULDPX;
}
/* Receive CRC error packets */
R8_ETH_ERXFCON |= RB_ETH_ERXFCON_CRCEN;
CRCErrPktCnt = 0;
PhyPolarityDetect = 1;
phyLinkTime = LocalTime;
phyStatus = PHY_Linked_Status;
ETH_Start( );
}
else
{
PHY_NEGOTIATION_PARAM_INIT();
EXTEN->EXTEN_CTR &= ~EXTEN_ETH_10M_EN;
phyLinkReset = 1;
phyLinkTime = LocalTime;
}
}
@@ -568,6 +626,12 @@ void WCHNET_ETHIsr( void )
R16_ETH_ERXST = DMARxDescToGet->Buffer1Addr;
}
}
if(PhyPolarityDetect)
{
PhyPolarityDetect = 0;
/* Discard CRC error packet */
R8_ETH_ERXFCON &= ~RB_ETH_ERXFCON_CRCEN;
}
}
if(eth_irq_flag&RB_ETH_EIR_TXIF) //send completed
{
@@ -586,6 +650,7 @@ void WCHNET_ETHIsr( void )
}
if(eth_irq_flag&RB_ETH_EIR_RXERIF) //receive error
{
if(PhyPolarityDetect) CRCErrPktCnt++;
R8_ETH_EIR = RB_ETH_EIR_RXERIF;
}
}
@@ -605,7 +670,6 @@ void ETH_Init( uint8_t *macAddr )
ETH_DMATxDescChainInit(DMATxDscrTab, MACTxBuf, ETH_TXBUFNB);
ETH_DMARxDescChainInit(DMARxDscrTab, MACRxBuf, ETH_RXBUFNB);
pDMARxSet = DMARxDscrTab;
ETH_Start( );
NVIC_EnableIRQ(ETH_IRQn);
}