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ethernet: support flow control

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This commit is contained in:
shangke
2017-01-06 13:49:42 +08:00
parent a3f6728797
commit 0e701e1cac
11 changed files with 211 additions and 60 deletions
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25
examples/17_ethernet/main/ethernet_main.c
View File

@@ -71,6 +71,22 @@ bool phy_tlk110_check_phy_link_status(void)
return ((esp_eth_smi_read(BASIC_MODE_STATUS_REG) & LINK_STATUS) == LINK_STATUS );
}
bool phy_tlk110_get_partner_pause_enable(void)
{
if((esp_eth_smi_read(PHY_LINK_PARTNER_ABILITY_REG) & PARTNER_PAUSE) == PARTNER_PAUSE) {
return true;
} else {
return false;
}
}
void phy_enable_flow_ctrl(void)
{
uint32_t data = 0;
data = esp_eth_smi_read(AUTO_NEG_ADVERTISEMENT_REG);
esp_eth_smi_write(AUTO_NEG_ADVERTISEMENT_REG,data|ASM_DIR|PAUSE);
}
void phy_tlk110_init(void)
{
esp_eth_smi_write(PHY_RESET_CONTROL_REG, SOFTWARE_RESET);
@@ -78,8 +94,12 @@ void phy_tlk110_init(void)
while (esp_eth_smi_read(PHY_IDENTIFIER_REG) != OUI_MSB_21TO6_DEF) {
}
esp_eth_smi_write(SOFTWARE_STAP_CONTROL_REG, DEFAULT_PHY_CONFIG |SW_STRAP_CONFIG_DONE);
esp_eth_smi_write(SOFTWARE_STRAP_CONTROL_REG, DEFAULT_PHY_CONFIG |SW_STRAP_CONFIG_DONE);
ets_delay_us(300);
//if config.flow_ctrl_enable == true ,enable this
phy_enable_flow_ctrl();
}
void eth_gpio_config_rmii(void)
@@ -140,6 +160,9 @@ void app_main()
config.phy_check_link = phy_tlk110_check_phy_link_status;
config.phy_get_speed_mode = phy_tlk110_get_speed_mode;
config.phy_get_duplex_mode = phy_tlk110_get_duplex_mode;
//Only FULLDUPLEX mode support flow ctrl now!
config.flow_ctrl_enable = true;
config.phy_get_partner_pause_enable = phy_tlk110_get_partner_pause_enable;
ret = esp_eth_init(&config);

10
examples/17_ethernet/main/tlk110_phy.h
View File

@@ -5,7 +5,15 @@
#define PHY_IDENTIFIER_REG (0x2)
#define OUI_MSB_21TO6_DEF 0x2000
#define SOFTWARE_STAP_CONTROL_REG (0x9)
#define AUTO_NEG_ADVERTISEMENT_REG (0x4)
#define ASM_DIR BIT(11)
#define PAUSE BIT(10)
#define PHY_LINK_PARTNER_ABILITY_REG (0x5)
#define PARTNER_ASM_DIR BIT(11)
#define PARTNER_PAUSE BIT(10)
#define SOFTWARE_STRAP_CONTROL_REG (0x9)
#define SW_STRAP_CONFIG_DONE BIT(15)
#define AUTO_MDIX_ENABLE BIT(14)
#define AUTO_NEGOTIATION_ENABLE BIT(13)