bstanwell/ch32v20x-examples
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This commit is contained in:
qiyongshuang
2024-02-26 13:22:09 +08:00
parent 0ad592325e
commit 9596a13c17
573 changed files with 36301 additions and 23003 deletions
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EVT/EXAM/ETH/NetLib/eth_driver.c
+106 -71
View File
@@ -135,7 +135,7 @@ void WCHNET_LinkProcess( void )
phy_anlpar = ReadPHYReg(PHY_ANLPAR);
phy_bmsr = ReadPHYReg(PHY_BMSR);
if( (phy_anlpar&PHY_ANLPAR_SELECTOR_FIELD) )
if(phy_anlpar&PHY_ANLPAR_SELECTOR_FIELD)
{
if( !(phyLinkStatus&PHY_LINK_WAIT_SUC) )
{
@@ -166,7 +166,7 @@ void WCHNET_LinkProcess( void )
}
}
else{
if((phySucCnt++ == 5) && ((phy_bmsr&(1<<5)) == 0))
if((phySucCnt++ == 5) && ((phy_bmsr&PHY_AutoNego_Complete) == 0))
{
phySucCnt = 0;
phyRetryCnt = 0;
@@ -188,56 +188,64 @@ void WCHNET_LinkProcess( void )
}
else
{
if( phyLinkStatus == PHY_LINK_WAIT_SUC )
if(phy_bmsr & PHY_AutoNego_Complete)
{
if(phyLinkCnt++ == 10)
{
phyLinkCnt = 0;
phyRetryCnt = 0;
phyPNChangeCnt = 0;
phyLinkStatus = PHY_LINK_INIT;
}
phySucCnt = 0;
phyLinkCnt = 0;
phyLinkStatus = PHY_LINK_WAIT_SUC;
}
else if(phyLinkStatus == PHY_LINK_INIT)
{
if(phyPNChangeCnt++ == 10)
else {
if( phyLinkStatus == PHY_LINK_WAIT_SUC )
{
phyPNChangeCnt = 0;
phyPN = ReadPHYReg(PHY_MDIX);
phyPN &= ~0x0c;
phyPN ^= 0x03;
WritePHYReg(PHY_MDIX, phyPN);
}
else{
if((phyPN&0x0C) == PHY_PN_SWITCH_P)
{
phyPN |= PHY_PN_SWITCH_N;
}
else {
phyPN &= ~PHY_PN_SWITCH_N;
}
WritePHYReg(PHY_MDIX, phyPN);
}
}
else if(phyLinkStatus == PHY_LINK_SUC_N)
{
if((phyPN&0x0C) == PHY_PN_SWITCH_P)
{
phyPN |= PHY_PN_SWITCH_N;
phy_bmcr = ReadPHYReg(PHY_BMCR);
phy_bmcr |= 1<<9;
WritePHYReg(PHY_BMCR, phy_bmcr);
Delay_Us(10);
WritePHYReg(PHY_MDIX, phyPN);
}
else{
if(phyRetryCnt++ == 15)
if(phyLinkCnt++ == 10)
{
phyLinkCnt = 0;
phyRetryCnt = 0;
phyPNChangeCnt = 0;
phyLinkStatus = PHY_LINK_INIT;
}
}
else if(phyLinkStatus == PHY_LINK_INIT)
{
if(phyPNChangeCnt++ == 10)
{
phyPNChangeCnt = 0;
phyPN = ReadPHYReg(PHY_MDIX);
phyPN &= ~0x0c;
phyPN ^= 0x03;
WritePHYReg(PHY_MDIX, phyPN);
}
else{
if((phyPN&0x0C) == PHY_PN_SWITCH_P)
{
phyPN |= PHY_PN_SWITCH_N;
}
else {
phyPN &= ~PHY_PN_SWITCH_N;
}
WritePHYReg(PHY_MDIX, phyPN);
}
}
else if(phyLinkStatus == PHY_LINK_SUC_N)
{
if((phyPN&0x0C) == PHY_PN_SWITCH_P)
{
phyPN |= PHY_PN_SWITCH_N;
phy_bmcr = ReadPHYReg(PHY_BMCR);
phy_bmcr |= 1<<9;
WritePHYReg(PHY_BMCR, phy_bmcr);
Delay_Us(10);
WritePHYReg(PHY_MDIX, phyPN);
}
else{
if(phyRetryCnt++ == 15)
{
phyRetryCnt = 0;
phyPNChangeCnt = 0;
phyLinkStatus = PHY_LINK_INIT;
}
}
}
}
}
}
@@ -506,6 +514,7 @@ void ETH_Configuration( uint8_t *macAddr )
R8_ETH_MACON2 |= PADCFG_AUTO_3; //All short packets are automatically padded to 60 bytes
R8_ETH_MACON2 |= RB_ETH_MACON2_TXCRCEN; //Hardware padded CRC
R8_ETH_MACON2 &= ~RB_ETH_MACON2_HFRMEN; //Jumbo frames are not received
R8_ETH_MACON2 |= RB_ETH_MACON2_FULDPX;
R16_ETH_MAMXFL = ETH_MAX_PACKET_SIZE;
R8_ETH_ECON2 &= ~(0x07 << 1);
R8_ETH_ECON2 |= 5 << 1;
@@ -543,6 +552,44 @@ uint32_t ETH_TxPktChainMode(uint16_t len, uint32_t *pBuff )
return ETH_SUCCESS;
}
/*********************************************************************
* @fn ETH_LinkUpCfg
*
* @brief When the PHY is connected, configure the relevant functions.
*
* @param regval BMSR register value
*
* @return none.
*/
void ETH_LinkUpCfg(uint16_t regval)
{
WCHNET_PhyStatus( regval );
/* Receive CRC error packets */
R8_ETH_ERXFCON |= RB_ETH_ERXFCON_CRCEN;
CRCErrPktCnt = 0;
PhyPolarityDetect = 1;
phyLinkTime = LocalTime;
phyStatus = PHY_Linked_Status;
ETH_Start( );
}
/*********************************************************************
* @fn ETH_LinkDownCfg
*
* @brief When the PHY is disconnected, configure the relevant functions.
*
* @param regval BMSR register value
*
* @return none.
*/
void ETH_LinkDownCfg(uint16_t regval)
{
WCHNET_PhyStatus( regval );
EXTEN->EXTEN_CTR &= ~EXTEN_ETH_10M_EN;
phyLinkReset = 1;
phyLinkTime = LocalTime;
}
/*********************************************************************
* @fn ETH_PHYLink
*
@@ -552,42 +599,30 @@ uint32_t ETH_TxPktChainMode(uint16_t len, uint32_t *pBuff )
*/
void ETH_PHYLink( void )
{
uint32_t phy_stat, phy_anlpar;
u16 phy_bsr, phy_anlpar;
phy_bsr = ReadPHYReg(PHY_BMSR);
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
EXTEN->EXTEN_CTR &= ~EXTEN_ETH_10M_EN;
phyLinkReset = 1;
phyLinkTime = LocalTime;
return;
}
WCHNET_PhyStatus( phy_stat );
if( (phy_stat&(PHY_Linked_Status)) && (phy_stat&PHY_AutoNego_Complete) )
if(phy_bsr & PHY_Linked_Status) //Valid link established
{
if( phy_anlpar&(1<<6) )
if(phy_bsr & PHY_AutoNego_Complete) //Auto-negotiation completed -- LinkUp
{
R8_ETH_MACON2 |= RB_ETH_MACON2_FULDPX;
ETH_LinkUpCfg(phy_bsr);
}
else
{
R8_ETH_MACON2 &= ~RB_ETH_MACON2_FULDPX;
else {
if(phy_anlpar == 0) //The auto-negotiation signal of the peer device is not obtained
{
WritePHYReg(PHY_BMCR, PHY_Reset);
PHY_NEGOTIATION_PARAM_INIT();
}
else {
ETH_LinkDownCfg(phy_bsr);
}
}
/* Receive CRC error packets */
R8_ETH_ERXFCON |= RB_ETH_ERXFCON_CRCEN;
CRCErrPktCnt = 0;
PhyPolarityDetect = 1;
phyLinkTime = LocalTime;
phyStatus = PHY_Linked_Status;
ETH_Start( );
}
else
{
EXTEN->EXTEN_CTR &= ~EXTEN_ETH_10M_EN;
phyLinkReset = 1;
phyLinkTime = LocalTime;
else { //LinkDown
ETH_LinkDownCfg(phy_bsr);
}
}
EVT/EXAM/ETH/NetLib/libwchnet.a
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