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ethernet: not using latch register to check link

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This commit is contained in:
morris 2020-04-28 12:16:40 +08:00
parent f09c9b957c
commit b3c3b4e7f0
2 changed files with 7 additions and 15 deletions
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11
components/esp_eth/src/esp_eth_phy_dp83848.c
View File

@ -41,7 +41,7 @@ static const char *TAG = "dp83848";
typedef union {
struct {
uint32_t link_status : 1; /* Link Status */
uint32_t speed_status : 1; /* Link Status */
uint32_t speed_status : 1; /* Speed Status */
uint32_t duplex_status : 1; /* Duplex Status */
uint32_t loopback_status : 1; /* MII Loopback */
uint32_t auto_nego_complete : 1; /* Auto-Negotiation Complete */
@ -98,17 +98,14 @@ static esp_err_t dp83848_update_link_duplex_speed(phy_dp83848_t *dp83848)
esp_eth_mediator_t *eth = dp83848->eth;
eth_speed_t speed = ETH_SPEED_10M;
eth_duplex_t duplex = ETH_DUPLEX_HALF;
bmsr_reg_t bmsr;
physts_reg_t physts;
PHY_CHECK(eth->phy_reg_read(eth, dp83848->addr, ETH_PHY_BMSR_REG_ADDR, &(bmsr.val)) == ESP_OK,
"read BMSR failed", err);
eth_link_t link = bmsr.link_status ? ETH_LINK_UP : ETH_LINK_DOWN;
PHY_CHECK(eth->phy_reg_read(eth, dp83848->addr, ETH_PHY_STS_REG_ADDR, &(physts.val)) == ESP_OK,
"read PHYSTS failed", err);
eth_link_t link = physts.link_status ? ETH_LINK_UP : ETH_LINK_DOWN;
/* check if link status changed */
if (dp83848->link_status != link) {
/* when link up, read negotiation result */
if (link == ETH_LINK_UP) {
PHY_CHECK(eth->phy_reg_read(eth, dp83848->addr, ETH_PHY_STS_REG_ADDR, &(physts.val)) == ESP_OK,
"read PHYSTS failed", err);
if (physts.speed_status) {
speed = ETH_SPEED_10M;
} else {

11
components/esp_eth/src/esp_eth_phy_ip101.c
View File

@ -128,19 +128,14 @@ static esp_err_t ip101_update_link_duplex_speed(phy_ip101_t *ip101)
eth_speed_t speed = ETH_SPEED_10M;
eth_duplex_t duplex = ETH_DUPLEX_HALF;
cssr_reg_t cssr;
bmsr_reg_t bmsr;
PHY_CHECK(ip101_page_select(ip101, 16) == ESP_OK, "select page 16 failed", err);
PHY_CHECK(eth->phy_reg_read(eth, ip101->addr, ETH_PHY_BMSR_REG_ADDR, &(bmsr.val)) == ESP_OK,
"read BMSR failed", err);
PHY_CHECK(eth->phy_reg_read(eth, ip101->addr, ETH_PHY_BMSR_REG_ADDR, &(bmsr.val)) == ESP_OK,
"read BMSR failed", err);
eth_link_t link = bmsr.link_status ? ETH_LINK_UP : ETH_LINK_DOWN;
PHY_CHECK(eth->phy_reg_read(eth, ip101->addr, ETH_PHY_CSSR_REG_ADDR, &(cssr.val)) == ESP_OK,
"read CSSR failed", err);
eth_link_t link = cssr.link_up ? ETH_LINK_UP : ETH_LINK_DOWN;
/* check if link status changed */
if (ip101->link_status != link) {
/* when link up, read negotiation result */
if (link == ETH_LINK_UP) {
PHY_CHECK(eth->phy_reg_read(eth, ip101->addr, ETH_PHY_CSSR_REG_ADDR, &(cssr.val)) == ESP_OK,
"read CSSR failed", err);
switch (cssr.op_mode) {
case 1: //10M Half
speed = ETH_SPEED_10M;