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feature/ethernet_driver: update ethernet driver

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1. The transmitting mode of the packets from LWIP to MAC is changed from synchronous to asynchronous.
2. The receive buf mode : support pointer mode and copy mode.
3. Add get phy status func used to config mac register.
This commit is contained in:
shangke
2016-12-18 21:18:37 +08:00
parent 05fcdcfedb
commit 5ddf6daa98
12 changed files with 501 additions and 203 deletions
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379
components/ethernet/emac_main.c
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@@ -47,6 +47,8 @@
#include "freertos/semphr.h"
#include "freertos/timers.h"
#include "lwip/err.h"
#define EMAC_EVT_QNUM 200
#define EMAC_SIG_MAX 50
@@ -63,7 +65,8 @@ static xTaskHandle emac_task_hdl;
static xQueueHandle emac_xqueue;
static uint8_t emac_sig_cnt[EMAC_SIG_MAX] = {0};
static TimerHandle_t emac_timer = NULL;
static SemaphoreHandle_t emac_rx_xMutex = NULL;
static SemaphoreHandle_t emac_tx_xMutex = NULL;
static const char *TAG = "emac";
static esp_err_t emac_ioctl(emac_sig_t sig, emac_par_t par);
@@ -82,20 +85,24 @@ void esp_eth_get_mac(uint8_t mac[6])
static void emac_setup_tx_desc(struct dma_extended_desc *tx_desc , uint32_t size)
{
tx_desc->basic.desc0 = EMAC_DESC_TX_OWN | EMAC_DESC_INT_COMPL | EMAC_DESC_LAST_SEGMENT | EMAC_DESC_FIRST_SEGMENT | EMAC_DESC_SECOND_ADDR_CHAIN;
tx_desc->basic.desc1 = size & 0xfff;
tx_desc->basic.desc0 = EMAC_DESC_INT_COMPL | EMAC_DESC_LAST_SEGMENT | EMAC_DESC_FIRST_SEGMENT | EMAC_DESC_SECOND_ADDR_CHAIN;
tx_desc->basic.desc0 = EMAC_DESC_TX_OWN | EMAC_DESC_INT_COMPL | EMAC_DESC_LAST_SEGMENT | EMAC_DESC_FIRST_SEGMENT | EMAC_DESC_SECOND_ADDR_CHAIN;
}
static void emac_clean_tx_desc(struct dma_extended_desc *tx_desc)
{
tx_desc->basic.desc0 = 0;
tx_desc->basic.desc1 = 0;
tx_desc->basic.desc0 = 0;
}
static void emac_clean_rx_desc(struct dma_extended_desc *rx_desc)
static void emac_clean_rx_desc(struct dma_extended_desc *rx_desc ,uint32_t buf_ptr)
{
rx_desc->basic.desc0 = EMAC_DESC_RX_OWN;
if(buf_ptr != 0) {
rx_desc->basic.desc2 = buf_ptr;
}
rx_desc->basic.desc1 = EMAC_DESC_RX_SECOND_ADDR_CHAIN | DMA_RX_BUF_SIZE;
rx_desc->basic.desc0 = EMAC_DESC_RX_OWN;
}
static void emac_set_tx_base_reg(void)
@@ -156,18 +163,15 @@ static void emac_init_dma_chain(void)
dma_phy = (uint32_t)(emac_config.dma_erx);
p = emac_config.dma_erx;
for (i = 0; i < (DMA_TX_BUF_NUM - 1); i++ ) {
for (i = 0; i < (DMA_RX_BUF_NUM - 1); i++ ) {
dma_phy += sizeof(struct dma_extended_desc);
emac_clean_rx_desc(p);
emac_clean_rx_desc(p, (uint32_t)(&emac_dma_rx_buf[0]) + (i * DMA_RX_BUF_SIZE));
p->basic.desc3 = dma_phy;
p->basic.desc2 = (uint32_t)(&emac_dma_rx_buf[0]) + (i * DMA_RX_BUF_SIZE);
p++;
}
p->basic.desc3 = (uint32_t)(emac_config.dma_erx);
p->basic.desc2 = (uint32_t)(&emac_dma_rx_buf[0]) + (i * DMA_RX_BUF_SIZE);
//init desc0 desc1
emac_clean_rx_desc(p);
emac_clean_rx_desc(p, (uint32_t)(&emac_dma_rx_buf[0]) + (i * DMA_RX_BUF_SIZE));
p->basic.desc3 = (uint32_t)(emac_config.dma_erx);
}
void esp_eth_smi_write(uint32_t reg_num, uint16_t value)
@@ -207,18 +211,32 @@ static void emac_set_user_config_data(eth_config_t *config )
emac_config.phy_init = config->phy_init;
emac_config.emac_tcpip_input = config->tcpip_input;
emac_config.emac_gpio_config = config->gpio_config;
emac_config.emac_phy_check_link = config->phy_check_link;
emac_config.emac_phy_check_init = config->phy_check_init;
emac_config.emac_phy_get_speed_mode = config->phy_get_speed_mode;
emac_config.emac_phy_get_duplex_mode = config->phy_get_duplex_mode;
}
static void emac_enable_intr()
{
REG_WRITE(EMAC_DMAINTERRUPT_EN_REG, EMAC_INTR_ENABLE_BIT);
}
static void emac_disable_intr()
{
REG_WRITE(EMAC_DMAINTERRUPT_EN_REG, 0);
}
static esp_err_t emac_verify_args(void)
{
esp_err_t ret = ESP_OK;
if (emac_config.phy_addr > 31) {
if (emac_config.phy_addr > PHY31) {
ESP_LOGE(TAG, "phy addr err");
ret = ESP_FAIL;
}
if (emac_config.mac_mode != EMAC_MODE_RMII) {
if (emac_config.mac_mode != ETH_MODE_RMII) {
ESP_LOGE(TAG, "mac mode err,now only support RMII");
ret = ESP_FAIL;
}
@@ -238,6 +256,26 @@ static esp_err_t emac_verify_args(void)
ret = ESP_FAIL;
}
if (emac_config.emac_phy_check_link == NULL) {
ESP_LOGE(TAG, "phy check link func is null");
ret = ESP_FAIL;
}
if (emac_config.emac_phy_check_init == NULL) {
ESP_LOGE(TAG, "phy check init func is null");
ret = ESP_FAIL;
}
if (emac_config.emac_phy_get_speed_mode == NULL) {
ESP_LOGE(TAG, "phy get speed mode func is null");
ret = ESP_FAIL;
}
if (emac_config.emac_phy_get_duplex_mode == NULL) {
ESP_LOGE(TAG, "phy get duplex mode func is null");
ret = ESP_FAIL;
}
return ret;
}
@@ -255,7 +293,13 @@ static void emac_process_tx(void)
{
uint32_t cur_tx_desc = emac_read_tx_cur_reg();
while (((uint32_t) & (emac_config.dma_etx[emac_config.dirty_tx].basic.desc0) != cur_tx_desc)) {
if(emac_config.emac_status == EMAC_RUNTIME_STOP) {
return;
}
xSemaphoreTakeRecursive( emac_tx_xMutex, ( TickType_t ) portMAX_DELAY );
while (((uint32_t) &(emac_config.dma_etx[emac_config.dirty_tx].basic.desc0) != cur_tx_desc)) {
emac_clean_tx_desc(&(emac_config.dma_etx[emac_config.dirty_tx]));
emac_config.dirty_tx = (emac_config.dirty_tx + 1) % DMA_TX_BUF_NUM;
emac_config.cnt_tx --;
@@ -263,11 +307,33 @@ static void emac_process_tx(void)
if (emac_config.cnt_tx < 0) {
ESP_LOGE(TAG, "emac tx chain err");
}
cur_tx_desc = emac_read_tx_cur_reg();
}
xSemaphoreGiveRecursive( emac_tx_xMutex );
}
void esp_eth_free_rx_buf(void *buf)
{
xSemaphoreTakeRecursive( emac_rx_xMutex, ( TickType_t ) portMAX_DELAY );
emac_clean_rx_desc(&(emac_config.dma_erx[emac_config.cur_rx]),(uint32_t) buf);
emac_config.cur_rx = (emac_config.cur_rx + 1) % DMA_RX_BUF_NUM;
emac_config.cnt_rx--;
if(emac_config.cnt_rx < 0) {
ESP_LOGE(TAG, "emac rx buf err!!\n");
}
emac_poll_rx_cmd();
xSemaphoreGiveRecursive( emac_rx_xMutex );
}
#if CONFIG_EMAC_L2_TO_L3_RX_BUF_MODE
static void emac_process_rx(void)
{
if(emac_config.emac_status == EMAC_RUNTIME_STOP) {
return;
}
uint32_t cur_rx_desc = emac_read_rx_cur_reg();
while (((uint32_t) & (emac_config.dma_erx[emac_config.dirty_rx].basic.desc0) != cur_rx_desc)) {
@@ -275,17 +341,116 @@ static void emac_process_rx(void)
emac_config.emac_tcpip_input((void *)(emac_config.dma_erx[emac_config.dirty_rx].basic.desc2),
(((emac_config.dma_erx[emac_config.dirty_rx].basic.desc0) >> EMAC_DESC_FRAME_LENGTH_S) & EMAC_DESC_FRAME_LENGTH) , NULL);
emac_clean_rx_desc(&(emac_config.dma_erx[emac_config.dirty_rx]));
emac_clean_rx_desc(&(emac_config.dma_erx[emac_config.dirty_rx]),(emac_config.dma_erx[emac_config.dirty_rx].basic.desc2));
emac_config.dirty_rx = (emac_config.dirty_rx + 1) % DMA_RX_BUF_NUM;
if (emac_config.rx_need_poll != 0) {
emac_poll_rx_cmd();
emac_config.rx_need_poll = 0;
}
//if open this ,one intr can do many intrs ?
//cur_rx_desc = emac_read_rx_cur_reg();
cur_rx_desc = emac_read_rx_cur_reg();
}
emac_enable_rx_intr();
}
static void emac_process_rx_unavail(void)
{
if(emac_config.emac_status == EMAC_RUNTIME_STOP) {
return;
}
uint32_t dirty_cnt = 0;
while (dirty_cnt < DMA_RX_BUF_NUM) {
if(emac_config.dma_erx[emac_config.dirty_rx].basic.desc0 == EMAC_DESC_RX_OWN) {
break;
}
dirty_cnt ++;
//copy data to lwip
emac_config.emac_tcpip_input((void *)(emac_config.dma_erx[emac_config.dirty_rx].basic.desc2),
(((emac_config.dma_erx[emac_config.dirty_rx].basic.desc0) >> EMAC_DESC_FRAME_LENGTH_S) & EMAC_DESC_FRAME_LENGTH) , NULL);
emac_clean_rx_desc(&(emac_config.dma_erx[emac_config.dirty_rx]),(emac_config.dma_erx[emac_config.dirty_rx].basic.desc2));
emac_config.dirty_rx = (emac_config.dirty_rx + 1) % DMA_RX_BUF_NUM;
}
emac_enable_rx_intr();
emac_enable_rx_unavail_intr();
emac_poll_rx_cmd();
}
#else
static void emac_process_rx_unavail(void)
{
if(emac_config.emac_status == EMAC_RUNTIME_STOP) {
return;
}
xSemaphoreTakeRecursive( emac_rx_xMutex, ( TickType_t ) portMAX_DELAY );
while (emac_config.cnt_rx < DMA_RX_BUF_NUM) {
//copy data to lwip
emac_config.emac_tcpip_input((void *)(emac_config.dma_erx[emac_config.dirty_rx].basic.desc2),
(((emac_config.dma_erx[emac_config.dirty_rx].basic.desc0) >> EMAC_DESC_FRAME_LENGTH_S) & EMAC_DESC_FRAME_LENGTH) , NULL);
emac_config.cnt_rx++;
if(emac_config.cnt_rx > DMA_RX_BUF_NUM) {
ESP_LOGE(TAG, "emac rx unavail buf err !!\n");
}
emac_config.dirty_rx = (emac_config.dirty_rx + 1) % DMA_RX_BUF_NUM;
}
emac_enable_rx_intr();
emac_enable_rx_unavail_intr();
xSemaphoreGiveRecursive( emac_rx_xMutex );
}
static void emac_process_rx(void)
{
if(emac_config.emac_status == EMAC_RUNTIME_STOP) {
return;
}
uint32_t cur_rx_desc = emac_read_rx_cur_reg();
xSemaphoreTakeRecursive( emac_rx_xMutex, ( TickType_t ) portMAX_DELAY );
if(((uint32_t) &(emac_config.dma_erx[emac_config.dirty_rx].basic.desc0) != cur_rx_desc)) {
while (((uint32_t) &(emac_config.dma_erx[emac_config.dirty_rx].basic.desc0) != cur_rx_desc) && emac_config.cnt_rx < DMA_RX_BUF_NUM ) {
//copy data to lwip
emac_config.emac_tcpip_input((void *)(emac_config.dma_erx[emac_config.dirty_rx].basic.desc2),
(((emac_config.dma_erx[emac_config.dirty_rx].basic.desc0) >> EMAC_DESC_FRAME_LENGTH_S) & EMAC_DESC_FRAME_LENGTH) , NULL);
emac_config.cnt_rx++;
if(emac_config.cnt_rx > DMA_RX_BUF_NUM ) {
ESP_LOGE(TAG, "emac rx buf err!!\n");
}
emac_config.dirty_rx = (emac_config.dirty_rx + 1) % DMA_RX_BUF_NUM;
cur_rx_desc = emac_read_rx_cur_reg();
}
} else {
if(emac_config.cnt_rx < DMA_RX_BUF_NUM) {
if((emac_config.dma_erx[emac_config.dirty_rx].basic.desc0 & EMAC_DESC_RX_OWN) == 0) {
while (emac_config.cnt_rx < DMA_RX_BUF_NUM) {
//copy data to lwip
emac_config.emac_tcpip_input((void *)(emac_config.dma_erx[emac_config.dirty_rx].basic.desc2),
(((emac_config.dma_erx[emac_config.dirty_rx].basic.desc0) >> EMAC_DESC_FRAME_LENGTH_S) & EMAC_DESC_FRAME_LENGTH) , NULL);
emac_config.cnt_rx++;
if(emac_config.cnt_rx > DMA_RX_BUF_NUM) {
ESP_LOGE(TAG,"emac rx buf err!!!\n");
}
emac_config.dirty_rx = (emac_config.dirty_rx + 1) % DMA_RX_BUF_NUM;
}
}
}
}
emac_enable_rx_intr();
xSemaphoreGiveRecursive( emac_rx_xMutex );
}
#endif
//TODO other events need to do something
static void IRAM_ATTR emac_process_intr(void *arg)
{
@@ -295,35 +460,37 @@ static void IRAM_ATTR emac_process_intr(void *arg)
//clr intrs
REG_WRITE(EMAC_DMASTATUS_REG, event);
if (event & EMAC_RECV_BUF_UNAVAIL) {
emac_config.rx_need_poll = 1;
} else if (event & EMAC_TRANS_INT) {
emac_post(SIG_EMAC_TX_DONE, 0);
} else if (event & EMAC_RECV_INT) {
if (event & EMAC_RECV_INT) {
emac_disable_rx_intr();
emac_post(SIG_EMAC_RX_DONE, 0);
} else {
//other events
}
if (event & EMAC_RECV_BUF_UNAVAIL) {
emac_disable_rx_unavail_intr();
emac_post(SIG_EMAC_RX_UNAVAIL,0);
}
if (event & EMAC_TRANS_INT) {
emac_post(SIG_EMAC_TX_DONE, 0);
}
}
//ToDo: this should only be called once because this allocates the interrupt as well.
static void emac_enable_intr()
static void emac_check_phy_init(void)
{
//init emac intr
esp_intr_alloc(ETS_ETH_MAC_INTR_SOURCE, 0, emac_process_intr, NULL, NULL);
REG_WRITE(EMAC_DMAINTERRUPT_EN_REG, EMAC_INTR_ENABLE_BIT);
}
emac_config.emac_phy_check_init();
if(emac_config.emac_phy_get_duplex_mode() == ETH_MDOE_FULLDUPLEX) {
REG_SET_BIT(EMAC_GMACCONFIG_REG, EMAC_GMACDUPLEX);
} else {
REG_CLR_BIT(EMAC_GMACCONFIG_REG, EMAC_GMACDUPLEX);
}
if(emac_config.emac_phy_get_speed_mode() == ETH_SPEED_MODE_100M) {
REG_SET_BIT(EMAC_GMACCONFIG_REG, EMAC_GMACFESPEED);
} else {
REG_CLR_BIT(EMAC_GMACCONFIG_REG, EMAC_GMACFESPEED);
}
static void emac_disable_intr()
{
REG_WRITE(EMAC_DMAINTERRUPT_EN_REG, 0);
emac_mac_init();
}
static bool emac_check_phy_link_status(void)
{
return ((esp_eth_smi_read(1) & 0x4) == 0x4 );
}
static void emac_process_link_updown(bool link_status)
{
system_event_t evt;
@@ -331,10 +498,10 @@ static void emac_process_link_updown(bool link_status)
emac_config.phy_link_up = link_status;
if (link_status == true) {
emac_check_phy_init();
ESP_LOGI(TAG, "eth link_up!!!");
emac_enable_dma_tx();
emac_enable_dma_rx();
ets_delay_us(200000);
evt.event_id = SYSTEM_EVENT_ETH_CONNECTED;
} else {
ESP_LOGI(TAG, "eth link_down!!!");
@@ -356,26 +523,20 @@ static void emac_hw_init(void)
//ipc TODO
}
static esp_err_t emac_xmit(void *param)
esp_err_t esp_eth_tx(uint8_t *buf, uint16_t size)
{
struct emac_post_cmd *post_cmd = (struct emac_post_cmd *)param;
struct emac_tx_cmd *cmd = (struct emac_tx_cmd *)(post_cmd->cmd);
esp_err_t ret = ESP_OK;
void *buf = cmd->buf;
uint16_t size = cmd->size;
if (emac_config.emac_status != EMAC_RUNTIME_START || emac_config.emac_status == EMAC_RUNTIME_NOT_INIT) {
ESP_LOGI(TAG, "tx netif close");
cmd->err = ERR_IF;
ret = ESP_FAIL;
ret = ERR_IF;
goto _exit;
}
if (emac_config.cnt_tx == DMA_TX_BUF_NUM) {
ESP_LOGI(TAG, "tx buf full");
cmd->err = ERR_MEM;
ret = ESP_FAIL;
xSemaphoreTakeRecursive( emac_tx_xMutex, ( TickType_t ) portMAX_DELAY );
if (emac_config.cnt_tx == DMA_TX_BUF_NUM -1) {
ESP_LOGD(TAG, "tx buf full");
ret = ERR_MEM;
goto _exit;
}
@@ -390,26 +551,23 @@ static esp_err_t emac_xmit(void *param)
_exit:
if (post_cmd->post_type == EMAC_POST_SYNC) {
xSemaphoreGive(emac_g_sem);
}
xSemaphoreGiveRecursive( emac_tx_xMutex );
return ret;
}
static void emac_init_default_data(void)
{
emac_config.rx_need_poll = 0;
memset((uint8_t *)&emac_config, 0,sizeof(struct emac_config_data));
}
void emac_link_check_func(void *pv_parameters)
void emac_process_link_check(void)
{
if (emac_config.emac_status != EMAC_RUNTIME_START ||
emac_config.emac_status == EMAC_RUNTIME_NOT_INIT) {
return;
}
if (emac_check_phy_link_status() == true ) {
if (emac_config.emac_phy_check_link() == true ) {
if (emac_config.phy_link_up == false) {
emac_process_link_updown(true);
}
@@ -420,9 +578,14 @@ void emac_link_check_func(void *pv_parameters)
}
}
void emac_link_check_func(void *pv_parameters)
{
emac_post(SIG_EMAC_CHECK_LINK,0);
}
static bool emac_link_check_timer_init(void)
{
emac_timer = xTimerCreate("emac_timer", (1000 / portTICK_RATE_MS),
emac_timer = xTimerCreate("emac_timer", (2000 / portTICK_RATE_MS),
pdTRUE, (void *)rand(), emac_link_check_func);
if (emac_timer == NULL) {
return false;
@@ -473,18 +636,11 @@ static void emac_start(void *param)
emac_set_tx_base_reg();
emac_set_rx_base_reg();
emac_mac_init();
emac_config.phy_init();
//for test
//emac_wait_linkup();
//mmc not support
//ptp TODO
//enable emac intr
emac_enable_intr();
emac_config.emac_status = EMAC_RUNTIME_START;
@@ -573,7 +729,7 @@ esp_err_t esp_eth_disable(void)
return close_cmd.err;
}
if (emac_config.emac_status != EMAC_RUNTIME_NOT_INIT) {
if (emac_config.emac_status == EMAC_RUNTIME_START) {
if (emac_ioctl(SIG_EMAC_STOP, (emac_par_t)(&post_cmd)) != 0) {
close_cmd.err = EMAC_CMD_FAIL;
}
@@ -608,9 +764,6 @@ static esp_err_t emac_ioctl(emac_sig_t sig, emac_par_t par)
case SIG_EMAC_TX_DONE:
emac_process_tx();
break;
case SIG_EMAC_TX:
emac_xmit((void *)par);
break;
case SIG_EMAC_START:
emac_start((void *)par);
break;
@@ -626,29 +779,6 @@ static esp_err_t emac_ioctl(emac_sig_t sig, emac_par_t par)
return ret;
}
esp_err_t esp_eth_tx(uint8_t *buf, uint16_t size)
{
struct emac_post_cmd post_cmd;
struct emac_tx_cmd tx_cmd;
post_cmd.cmd = (void *)(&tx_cmd);
if (emac_check_phy_link_status() == false) {
emac_process_link_updown(false);
tx_cmd.err = ERR_IF;
} else {
tx_cmd.buf = buf;
tx_cmd.size = size;
tx_cmd.err = ERR_OK;
if (emac_ioctl(SIG_EMAC_TX, (emac_par_t)(&post_cmd)) != 0) {
tx_cmd.err = ERR_MEM;
}
}
return tx_cmd.err;
}
void emac_task(void *pv)
{
emac_event_t e;
@@ -662,18 +792,21 @@ void emac_task(void *pv)
case SIG_EMAC_RX_DONE:
emac_process_rx();
break;
case SIG_EMAC_RX_UNAVAIL:
emac_process_rx_unavail();
break;
case SIG_EMAC_TX_DONE:
emac_process_tx();
break;
case SIG_EMAC_TX:
emac_xmit((void *)e.par);
break;
case SIG_EMAC_START:
emac_start((void *)e.par);
break;
case SIG_EMAC_STOP:
emac_stop((void *)e.par);
break;
case SIG_EMAC_CHECK_LINK:
emac_process_link_check();
break;
default:
ESP_LOGE(TAG, "unexpect sig %d", e.sig);
break;
@@ -684,27 +817,35 @@ void emac_task(void *pv)
esp_err_t IRAM_ATTR emac_post(emac_sig_t sig, emac_par_t par)
{
portENTER_CRITICAL(&g_emac_mux);
if(sig <= SIG_EMAC_RX_DONE) {
if (emac_sig_cnt[sig]) {
return ESP_OK;
} else {
emac_sig_cnt[sig]++;
emac_event_t evt;
signed portBASE_TYPE ret;
evt.sig = sig;
evt.par = par;
portBASE_TYPE tmp;
if (emac_sig_cnt[sig] && sig != SIG_EMAC_TX) {
portEXIT_CRITICAL(&g_emac_mux);
return ESP_OK;
ret = xQueueSendFromISR(emac_xqueue, &evt, &tmp);
if(tmp != pdFALSE) {
portYIELD_FROM_ISR();
}
if(ret != pdPASS) {
return ESP_FAIL;
}
}
} else {
emac_sig_cnt[sig]++;
portEXIT_CRITICAL(&g_emac_mux);
emac_event_t evt;
evt.sig = sig;
evt.par = par;
if (sig <= SIG_EMAC_RX_DONE) {
portBASE_TYPE tmp;
if (xQueueSendFromISR(emac_xqueue, &evt, &tmp) != pdPASS) {
return ESP_FAIL;
}
} else {
if (xQueueSend(emac_xqueue, &evt, 10 / portTICK_RATE_MS) != pdTRUE) {
return ESP_FAIL;
}
if (xQueueSend(emac_xqueue, &evt, 10 / portTICK_RATE_MS) != pdTRUE) {
return ESP_FAIL;
}
}
@@ -737,7 +878,7 @@ esp_err_t esp_eth_init(eth_config_t *config)
REG_SET_FIELD(EMAC_EX_PHYINF_CONF_REG, EMAC_EX_PHY_INTF_SEL, EMAC_EX_PHY_INTF_RMII);
emac_dma_init();
if (emac_config.mac_mode == EMAC_MODE_RMII) {
if (emac_config.mac_mode == ETH_MODE_RMII) {
emac_set_clk_rmii();
} else {
emac_set_clk_mii();
@@ -752,8 +893,12 @@ esp_err_t esp_eth_init(eth_config_t *config)
//init task for emac
emac_g_sem = xSemaphoreCreateBinary();
emac_rx_xMutex = xSemaphoreCreateRecursiveMutex();
emac_tx_xMutex = xSemaphoreCreateRecursiveMutex();
emac_xqueue = xQueueCreate(EMAC_EVT_QNUM, sizeof(emac_event_t));
xTaskCreate(emac_task, "emacT", 2048 * 4, NULL, (19), &emac_task_hdl);
xTaskCreate(emac_task, "emacT", 2048, NULL, EMAC_TASK_PRIORITY, &emac_task_hdl);
esp_intr_alloc(ETS_ETH_MAC_INTR_SOURCE, 0, emac_process_intr, NULL, NULL);
emac_reset();
emac_enable_clk(false);