2019-06-25 11:36:56 +00:00
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// Copyright 2019 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <string.h>
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#include <stdlib.h>
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#include <sys/cdefs.h>
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#include "driver/gpio.h"
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#include "driver/spi_master.h"
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2019-11-14 04:03:14 +00:00
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#include "esp_attr.h"
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2019-06-25 11:36:56 +00:00
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#include "esp_log.h"
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#include "esp_eth.h"
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#include "esp_system.h"
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#include "esp_intr_alloc.h"
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#include "esp_heap_caps.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/semphr.h"
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2019-11-14 04:03:14 +00:00
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#include "dm9051.h"
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2019-06-25 11:36:56 +00:00
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#include "sdkconfig.h"
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static const char *TAG = "emac_dm9051";
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#define MAC_CHECK(a, str, goto_tag, ret_value, ...) \
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do \
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{ \
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if (!(a)) \
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{ \
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ESP_LOGE(TAG, "%s(%d): " str, __FUNCTION__, __LINE__, ##__VA_ARGS__); \
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ret = ret_value; \
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goto goto_tag; \
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} \
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} while (0)
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#define DM9051_SPI_LOCK_TIMEOUT_MS (50)
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#define DM9051_PHY_OPERATION_TIMEOUT_US (1000)
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typedef struct {
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uint8_t flag;
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uint8_t status;
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uint8_t length_low;
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uint8_t length_high;
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} dm9051_rx_header_t;
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typedef struct {
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esp_eth_mac_t parent;
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esp_eth_mediator_t *eth;
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spi_device_handle_t spi_hdl;
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SemaphoreHandle_t spi_lock;
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TaskHandle_t rx_task_hdl;
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uint32_t sw_reset_timeout_ms;
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2019-11-14 04:03:14 +00:00
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int int_gpio_num;
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2019-06-25 11:36:56 +00:00
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uint8_t addr[6];
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bool packets_remain;
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} emac_dm9051_t;
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static inline bool dm9051_lock(emac_dm9051_t *emac)
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{
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return xSemaphoreTake(emac->spi_lock, DM9051_SPI_LOCK_TIMEOUT_MS) == pdTRUE;
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}
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static inline bool dm9051_unlock(emac_dm9051_t *emac)
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{
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return xSemaphoreGive(emac->spi_lock) == pdTRUE;
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}
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/**
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* @brief write value to dm9051 internal register
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*/
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static esp_err_t dm9051_register_write(emac_dm9051_t *emac, uint8_t reg_addr, uint8_t value)
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{
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esp_err_t ret = ESP_OK;
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spi_transaction_t trans = {
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.cmd = DM9051_SPI_WR,
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.addr = reg_addr,
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.length = 8,
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.flags = SPI_TRANS_USE_TXDATA
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};
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trans.tx_data[0] = value;
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if (dm9051_lock(emac)) {
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if (spi_device_polling_transmit(emac->spi_hdl, &trans) != ESP_OK) {
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ESP_LOGE(TAG, "%s(%d): spi transmit failed", __FUNCTION__, __LINE__);
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ret = ESP_FAIL;
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}
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dm9051_unlock(emac);
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} else {
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ret = ESP_ERR_TIMEOUT;
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}
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return ret;
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}
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/**
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* @brief read value from dm9051 internal register
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*/
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static esp_err_t dm9051_register_read(emac_dm9051_t *emac, uint8_t reg_addr, uint8_t *value)
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{
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esp_err_t ret = ESP_OK;
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spi_transaction_t trans = {
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.cmd = DM9051_SPI_RD,
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.addr = reg_addr,
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.length = 8,
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.flags = SPI_TRANS_USE_TXDATA | SPI_TRANS_USE_RXDATA
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};
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if (dm9051_lock(emac)) {
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if (spi_device_polling_transmit(emac->spi_hdl, &trans) != ESP_OK) {
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ESP_LOGE(TAG, "%s(%d): spi transmit failed", __FUNCTION__, __LINE__);
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ret = ESP_FAIL;
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} else {
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*value = trans.rx_data[0];
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}
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dm9051_unlock(emac);
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} else {
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ret = ESP_ERR_TIMEOUT;
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}
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return ret;
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}
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/**
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* @brief write buffer to dm9051 internal memory
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*/
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static esp_err_t dm9051_memory_write(emac_dm9051_t *emac, uint8_t *buffer, uint32_t len)
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{
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esp_err_t ret = ESP_OK;
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spi_transaction_t trans = {
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.cmd = DM9051_SPI_WR,
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.addr = DM9051_MWCMD,
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.length = len * 8,
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.tx_buffer = buffer
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};
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if (dm9051_lock(emac)) {
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if (spi_device_polling_transmit(emac->spi_hdl, &trans) != ESP_OK) {
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ESP_LOGE(TAG, "%s(%d): spi transmit failed", __FUNCTION__, __LINE__);
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ret = ESP_FAIL;
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}
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dm9051_unlock(emac);
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} else {
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ret = ESP_ERR_TIMEOUT;
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}
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return ret;
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}
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/**
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* @brief read buffer from dm9051 internal memory
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*/
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static esp_err_t dm9051_memory_read(emac_dm9051_t *emac, uint8_t *buffer, uint32_t len)
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{
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esp_err_t ret = ESP_OK;
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spi_transaction_t trans = {
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.cmd = DM9051_SPI_RD,
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.addr = DM9051_MRCMD,
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.length = len * 8,
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.rx_buffer = buffer
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};
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if (dm9051_lock(emac)) {
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if (spi_device_polling_transmit(emac->spi_hdl, &trans) != ESP_OK) {
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ESP_LOGE(TAG, "%s(%d): spi transmit failed", __FUNCTION__, __LINE__);
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ret = ESP_FAIL;
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}
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dm9051_unlock(emac);
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} else {
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ret = ESP_ERR_TIMEOUT;
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}
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return ret;
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}
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2019-09-19 03:27:42 +00:00
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/**
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* @brief peek buffer from dm9051 internal memory (without internal cursor moved)
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*/
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static esp_err_t dm9051_memory_peek(emac_dm9051_t *emac, uint8_t *buffer, uint32_t len)
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{
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esp_err_t ret = ESP_OK;
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spi_transaction_t trans = {
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.cmd = DM9051_SPI_RD,
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.addr = DM9051_MRCMDX1,
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.length = len * 8,
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.rx_buffer = buffer
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};
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if (dm9051_lock(emac)) {
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if (spi_device_polling_transmit(emac->spi_hdl, &trans) != ESP_OK) {
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ESP_LOGE(TAG, "%s(%d): spi transmit failed", __FUNCTION__, __LINE__);
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ret = ESP_FAIL;
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}
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dm9051_unlock(emac);
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} else {
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ret = ESP_ERR_TIMEOUT;
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}
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return ret;
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}
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2019-06-25 11:36:56 +00:00
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/**
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* @brief read mac address from internal registers
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*/
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static esp_err_t dm9051_get_mac_addr(emac_dm9051_t *emac)
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{
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esp_err_t ret = ESP_OK;
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for (int i = 0; i < 6; i++) {
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MAC_CHECK(dm9051_register_read(emac, DM9051_PAR + i, &emac->addr[i]) == ESP_OK, "read PAR failed", err, ESP_FAIL);
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}
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return ESP_OK;
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err:
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return ret;
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}
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/**
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* @brief set new mac address to internal registers
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*/
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static esp_err_t dm9051_set_mac_addr(emac_dm9051_t *emac)
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{
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esp_err_t ret = ESP_OK;
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for (int i = 0; i < 6; i++) {
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MAC_CHECK(dm9051_register_write(emac, DM9051_PAR + i, emac->addr[i]) == ESP_OK, "write PAR failed", err, ESP_FAIL);
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}
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return ESP_OK;
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err:
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return ret;
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}
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/**
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* @brief clear multicast hash table
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*/
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static esp_err_t dm9051_clear_multicast_table(emac_dm9051_t *emac)
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{
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esp_err_t ret = ESP_OK;
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/* rx broadcast packet control by bit7 of MAC register 1DH */
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MAC_CHECK(dm9051_register_write(emac, DM9051_BCASTCR, 0x00) == ESP_OK, "write BCASTCR failed", err, ESP_FAIL);
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for (int i = 0; i < 7; i++) {
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MAC_CHECK(dm9051_register_write(emac, DM9051_MAR + i, 0x00) == ESP_OK, "write MAR failed", err, ESP_FAIL);
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}
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/* enable receive broadcast paclets */
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MAC_CHECK(dm9051_register_write(emac, DM9051_MAR + 7, 0x80) == ESP_OK, "write MAR failed", err, ESP_FAIL);
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return ESP_OK;
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err:
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return ret;
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}
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/**
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* @brief software reset dm9051 internal register
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*/
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static esp_err_t dm9051_reset(emac_dm9051_t *emac)
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{
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esp_err_t ret = ESP_OK;
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/* power on phy */
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MAC_CHECK(dm9051_register_write(emac, DM9051_GPR, 0x00) == ESP_OK, "write GPR failed", err, ESP_FAIL);
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/* mac and phy register won't be accesable within at least 1ms */
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vTaskDelay(pdMS_TO_TICKS(10));
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/* software reset */
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uint8_t ncr = NCR_RST;
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MAC_CHECK(dm9051_register_write(emac, DM9051_NCR, ncr) == ESP_OK, "write NCR failed", err, ESP_FAIL);
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uint32_t to = 0;
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for (to = 0; to < emac->sw_reset_timeout_ms / 10; to++) {
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MAC_CHECK(dm9051_register_read(emac, DM9051_NCR, &ncr) == ESP_OK, "read NCR failed", err, ESP_FAIL);
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if (!(ncr & NCR_RST)) {
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break;
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}
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vTaskDelay(pdMS_TO_TICKS(10));
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}
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MAC_CHECK(to < emac->sw_reset_timeout_ms / 10, "reset timeout", err, ESP_ERR_TIMEOUT);
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return ESP_OK;
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err:
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return ret;
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}
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/**
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* @brief verify dm9051 chip ID
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*/
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static esp_err_t dm9051_verify_id(emac_dm9051_t *emac)
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{
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esp_err_t ret = ESP_OK;
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uint8_t id[2];
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MAC_CHECK(dm9051_register_read(emac, DM9051_VIDL, &id[0]) == ESP_OK, "read VIDL failed", err, ESP_FAIL);
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MAC_CHECK(dm9051_register_read(emac, DM9051_VIDH, &id[1]) == ESP_OK, "read VIDH failed", err, ESP_FAIL);
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2019-09-03 05:12:58 +00:00
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MAC_CHECK(0x0A == id[1] && 0x46 == id[0], "wrong Vendor ID", err, ESP_ERR_INVALID_VERSION);
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2019-06-25 11:36:56 +00:00
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MAC_CHECK(dm9051_register_read(emac, DM9051_PIDL, &id[0]) == ESP_OK, "read PIDL failed", err, ESP_FAIL);
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MAC_CHECK(dm9051_register_read(emac, DM9051_PIDH, &id[1]) == ESP_OK, "read PIDH failed", err, ESP_FAIL);
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2019-09-03 05:12:58 +00:00
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MAC_CHECK(0x90 == id[1] && 0x51 == id[0], "wrong Product ID", err, ESP_ERR_INVALID_VERSION);
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2019-06-25 11:36:56 +00:00
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return ESP_OK;
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err:
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return ret;
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}
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/**
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* @brief default setup for dm9051 internal registers
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*/
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static esp_err_t dm9051_setup_default(emac_dm9051_t *emac)
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{
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esp_err_t ret = ESP_OK;
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/* disable wakeup */
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MAC_CHECK(dm9051_register_write(emac, DM9051_NCR, 0x00) == ESP_OK, "write NCR failed", err, ESP_FAIL);
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MAC_CHECK(dm9051_register_write(emac, DM9051_WCR, 0x00) == ESP_OK, "write WCR failed", err, ESP_FAIL);
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/* stop transmitting, enable appending pad, crc for packets */
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MAC_CHECK(dm9051_register_write(emac, DM9051_TCR, 0x00) == ESP_OK, "write TCR failed", err, ESP_FAIL);
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/* stop receiving, no promiscuous mode, no runt packet(size < 64bytes), not all multicast packets*/
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/* discard long packet(size > 1522bytes) and crc error packet, enable watchdog */
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MAC_CHECK(dm9051_register_write(emac, DM9051_RCR, RCR_DIS_LONG | RCR_DIS_CRC) == ESP_OK, "write RCR failed", err, ESP_FAIL);
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/* send jam pattern (duration time = 1.15ms) when rx free space < 3k bytes */
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MAC_CHECK(dm9051_register_write(emac, DM9051_BPTR, 0x3F) == ESP_OK, "write BPTR failed", err, ESP_FAIL);
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/* flow control: high water threshold = 3k bytes, low water threshold = 8k bytes */
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MAC_CHECK(dm9051_register_write(emac, DM9051_FCTR, 0x38) == ESP_OK, "write FCTR failed", err, ESP_FAIL);
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/* enable flow control */
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MAC_CHECK(dm9051_register_write(emac, DM9051_FCR, FCR_FLOW_ENABLE) == ESP_OK, "write FCR failed", err, ESP_FAIL);
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/* retry late collision packet, at most two transmit command can be issued before transmit complete */
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MAC_CHECK(dm9051_register_write(emac, DM9051_TCR2, TCR2_RLCP) == ESP_OK, "write TCR2 failed", err, ESP_FAIL);
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/* enable auto transmit */
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MAC_CHECK(dm9051_register_write(emac, DM9051_ATCR, ATCR_AUTO_TX) == ESP_OK, "write ATCR failed", err, ESP_FAIL);
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/* generate checksum for UDP, TCP and IPv4 packets */
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MAC_CHECK(dm9051_register_write(emac, DM9051_TCSCR, TCSCR_IPCSE | TCSCR_TCPCSE | TCSCR_UDPCSE) == ESP_OK,
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"write TCSCR failed", err, ESP_FAIL);
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/* disable check sum for receive packets */
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MAC_CHECK(dm9051_register_write(emac, DM9051_RCSCSR, 0x00) == ESP_OK, "write RCSCSR failed", err, ESP_FAIL);
|
|
|
|
/* interrupt pin config: push-pull output, active high */
|
|
|
|
MAC_CHECK(dm9051_register_write(emac, DM9051_INTCR, 0x00) == ESP_OK, "write INTCR failed", err, ESP_FAIL);
|
|
|
|
MAC_CHECK(dm9051_register_write(emac, DM9051_INTCKCR, 0x00) == ESP_OK, "write INTCKCR failed", err, ESP_FAIL);
|
|
|
|
/* no length limitation for rx packets */
|
|
|
|
MAC_CHECK(dm9051_register_write(emac, DM9051_RLENCR, 0x00) == ESP_OK, "write RLENCR failed", err, ESP_FAIL);
|
|
|
|
/* 3K-byte for TX and 13K-byte for RX */
|
|
|
|
MAC_CHECK(dm9051_register_write(emac, DM9051_MEMSCR, 0x00) == ESP_OK, "write MEMSCR failed", err, ESP_FAIL);
|
|
|
|
/* reset tx and rx memory pointer */
|
|
|
|
MAC_CHECK(dm9051_register_write(emac, DM9051_MPTRCR, MPTRCR_RST_RX | MPTRCR_RST_TX) == ESP_OK,
|
|
|
|
"write MPTRCR failed", err, ESP_FAIL);
|
|
|
|
/* clear network status: wakeup event, tx complete */
|
|
|
|
MAC_CHECK(dm9051_register_write(emac, DM9051_NSR, NSR_WAKEST | NSR_TX2END | NSR_TX1END) == ESP_OK, "write NSR failed", err, ESP_FAIL);
|
|
|
|
/* clear interrupt status */
|
|
|
|
MAC_CHECK(dm9051_register_write(emac, DM9051_ISR, ISR_CLR_STATUS) == ESP_OK, "write ISR failed", err, ESP_FAIL);
|
|
|
|
return ESP_OK;
|
|
|
|
err:
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @brief start dm9051: enable interrupt and start receive
|
|
|
|
*/
|
|
|
|
static esp_err_t dm9051_start(emac_dm9051_t *emac)
|
|
|
|
{
|
|
|
|
esp_err_t ret = ESP_OK;
|
|
|
|
/* enable interrupt */
|
|
|
|
MAC_CHECK(dm9051_register_write(emac, DM9051_IMR, IMR_ALL) == ESP_OK, "write IMR failed", err, ESP_FAIL);
|
|
|
|
/* enable rx */
|
|
|
|
uint8_t rcr = 0;
|
|
|
|
MAC_CHECK(dm9051_register_read(emac, DM9051_RCR, &rcr) == ESP_OK, "read RCR failed", err, ESP_FAIL);
|
|
|
|
rcr |= RCR_RXEN;
|
|
|
|
MAC_CHECK(dm9051_register_write(emac, DM9051_RCR, rcr) == ESP_OK, "write RCR failed", err, ESP_FAIL);
|
|
|
|
return ESP_OK;
|
|
|
|
err:
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @brief stop dm9051: disable interrupt and stop receive
|
|
|
|
*/
|
|
|
|
static esp_err_t dm9051_stop(emac_dm9051_t *emac)
|
|
|
|
{
|
|
|
|
esp_err_t ret = ESP_OK;
|
|
|
|
/* disable interrupt */
|
|
|
|
MAC_CHECK(dm9051_register_write(emac, DM9051_IMR, 0x00) == ESP_OK, "write IMR failed", err, ESP_FAIL);
|
|
|
|
/* disable rx */
|
|
|
|
uint8_t rcr = 0;
|
|
|
|
MAC_CHECK(dm9051_register_read(emac, DM9051_RCR, &rcr) == ESP_OK, "read RCR failed", err, ESP_FAIL);
|
|
|
|
rcr &= ~RCR_RXEN;
|
|
|
|
MAC_CHECK(dm9051_register_write(emac, DM9051_RCR, rcr) == ESP_OK, "write RCR failed", err, ESP_FAIL);
|
|
|
|
return ESP_OK;
|
|
|
|
err:
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2019-11-14 04:03:14 +00:00
|
|
|
IRAM_ATTR static void dm9051_isr_handler(void *arg)
|
2019-06-25 11:36:56 +00:00
|
|
|
{
|
|
|
|
emac_dm9051_t *emac = (emac_dm9051_t *)arg;
|
|
|
|
BaseType_t high_task_wakeup = pdFALSE;
|
|
|
|
/* notify dm9051 task */
|
|
|
|
vTaskNotifyGiveFromISR(emac->rx_task_hdl, &high_task_wakeup);
|
|
|
|
if (high_task_wakeup != pdFALSE) {
|
|
|
|
portYIELD_FROM_ISR();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void emac_dm9051_task(void *arg)
|
|
|
|
{
|
|
|
|
emac_dm9051_t *emac = (emac_dm9051_t *)arg;
|
|
|
|
uint8_t status = 0;
|
|
|
|
uint8_t *buffer = NULL;
|
|
|
|
uint32_t length = 0;
|
|
|
|
while (1) {
|
2019-09-19 03:27:42 +00:00
|
|
|
// block indefinitely until some task notifies me
|
|
|
|
ulTaskNotifyTake(pdFALSE, portMAX_DELAY);
|
|
|
|
/* clear interrupt status */
|
|
|
|
dm9051_register_read(emac, DM9051_ISR, &status);
|
|
|
|
dm9051_register_write(emac, DM9051_ISR, status);
|
|
|
|
/* packet received */
|
|
|
|
if (status & ISR_PR) {
|
|
|
|
do {
|
|
|
|
length = ETH_MAX_PACKET_SIZE;
|
|
|
|
buffer = (uint8_t *)heap_caps_malloc(length, MALLOC_CAP_DMA);
|
|
|
|
if (emac->parent.receive(&emac->parent, buffer, &length) == ESP_OK) {
|
|
|
|
/* pass the buffer to stack (e.g. TCP/IP layer) */
|
|
|
|
if (length) {
|
|
|
|
emac->eth->stack_input(emac->eth, buffer, length);
|
2019-06-25 11:36:56 +00:00
|
|
|
} else {
|
|
|
|
free(buffer);
|
|
|
|
}
|
2019-09-19 03:27:42 +00:00
|
|
|
} else {
|
|
|
|
free(buffer);
|
|
|
|
}
|
|
|
|
} while (emac->packets_remain);
|
2019-06-25 11:36:56 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
vTaskDelete(NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
static esp_err_t emac_dm9051_set_mediator(esp_eth_mac_t *mac, esp_eth_mediator_t *eth)
|
|
|
|
{
|
|
|
|
esp_err_t ret = ESP_OK;
|
|
|
|
MAC_CHECK(eth, "can't set mac's mediator to null", err, ESP_ERR_INVALID_ARG);
|
|
|
|
emac_dm9051_t *emac = __containerof(mac, emac_dm9051_t, parent);
|
|
|
|
emac->eth = eth;
|
|
|
|
return ESP_OK;
|
|
|
|
err:
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static esp_err_t emac_dm9051_write_phy_reg(esp_eth_mac_t *mac, uint32_t phy_addr, uint32_t phy_reg, uint32_t reg_value)
|
|
|
|
{
|
|
|
|
esp_err_t ret = ESP_OK;
|
|
|
|
emac_dm9051_t *emac = __containerof(mac, emac_dm9051_t, parent);
|
|
|
|
/* check if phy access is in progress */
|
|
|
|
uint8_t epcr = 0;
|
|
|
|
MAC_CHECK(dm9051_register_read(emac, DM9051_EPCR, &epcr) == ESP_OK, "read EPCR failed", err, ESP_FAIL);
|
|
|
|
MAC_CHECK(!(epcr & EPCR_ERRE), "phy is busy", err, ESP_ERR_INVALID_STATE);
|
|
|
|
MAC_CHECK(dm9051_register_write(emac, DM9051_EPAR, (uint8_t)(((phy_addr << 6) & 0xFF) | phy_reg)) == ESP_OK,
|
|
|
|
"write EPAR failed", err, ESP_FAIL);
|
|
|
|
MAC_CHECK(dm9051_register_write(emac, DM9051_EPDRL, (uint8_t)(reg_value & 0xFF)) == ESP_OK,
|
|
|
|
"write EPDRL failed", err, ESP_FAIL);
|
|
|
|
MAC_CHECK(dm9051_register_write(emac, DM9051_EPDRH, (uint8_t)((reg_value >> 8) & 0xFF)) == ESP_OK,
|
|
|
|
"write EPDRH failed", err, ESP_FAIL);
|
|
|
|
/* select PHY and select write operation */
|
|
|
|
MAC_CHECK(dm9051_register_write(emac, DM9051_EPCR, EPCR_EPOS | EPCR_ERPRW) == ESP_OK, "write EPCR failed", err, ESP_FAIL);
|
|
|
|
/* polling the busy flag */
|
|
|
|
uint32_t to = 0;
|
|
|
|
do {
|
|
|
|
ets_delay_us(100);
|
|
|
|
MAC_CHECK(dm9051_register_read(emac, DM9051_EPCR, &epcr) == ESP_OK, "read EPCR failed", err, ESP_FAIL);
|
|
|
|
to += 100;
|
|
|
|
} while ((epcr & EPCR_ERRE) && to < DM9051_PHY_OPERATION_TIMEOUT_US);
|
|
|
|
MAC_CHECK(!(epcr & EPCR_ERRE), "phy is busy", err, ESP_ERR_TIMEOUT);
|
|
|
|
return ESP_OK;
|
|
|
|
err:
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static esp_err_t emac_dm9051_read_phy_reg(esp_eth_mac_t *mac, uint32_t phy_addr, uint32_t phy_reg, uint32_t *reg_value)
|
|
|
|
{
|
|
|
|
esp_err_t ret = ESP_OK;
|
|
|
|
MAC_CHECK(reg_value, "can't set reg_value to null", err, ESP_ERR_INVALID_ARG);
|
|
|
|
emac_dm9051_t *emac = __containerof(mac, emac_dm9051_t, parent);
|
|
|
|
/* check if phy access is in progress */
|
|
|
|
uint8_t epcr = 0;
|
|
|
|
MAC_CHECK(dm9051_register_read(emac, DM9051_EPCR, &epcr) == ESP_OK, "read EPCR failed", err, ESP_FAIL);
|
|
|
|
MAC_CHECK(!(epcr & 0x01), "phy is busy", err, ESP_ERR_INVALID_STATE);
|
|
|
|
MAC_CHECK(dm9051_register_write(emac, DM9051_EPAR, (uint8_t)(((phy_addr << 6) & 0xFF) | phy_reg)) == ESP_OK,
|
|
|
|
"write EPAR failed", err, ESP_FAIL);
|
|
|
|
/* Select PHY and select read operation */
|
|
|
|
MAC_CHECK(dm9051_register_write(emac, DM9051_EPCR, 0x0C) == ESP_OK, "write EPCR failed", err, ESP_FAIL);
|
|
|
|
/* polling the busy flag */
|
|
|
|
uint32_t to = 0;
|
|
|
|
do {
|
|
|
|
ets_delay_us(100);
|
|
|
|
MAC_CHECK(dm9051_register_read(emac, DM9051_EPCR, &epcr) == ESP_OK, "read EPCR failed", err, ESP_FAIL);
|
|
|
|
to += 100;
|
|
|
|
} while ((epcr & EPCR_ERRE) && to < DM9051_PHY_OPERATION_TIMEOUT_US);
|
|
|
|
MAC_CHECK(!(epcr & EPCR_ERRE), "phy is busy", err, ESP_ERR_TIMEOUT);
|
|
|
|
uint8_t value_h = 0;
|
|
|
|
uint8_t value_l = 0;
|
|
|
|
MAC_CHECK(dm9051_register_read(emac, DM9051_EPDRH, &value_h) == ESP_OK, "read EPDRH failed", err, ESP_FAIL);
|
|
|
|
MAC_CHECK(dm9051_register_read(emac, DM9051_EPDRL, &value_l) == ESP_OK, "read EPDRL failed", err, ESP_FAIL);
|
|
|
|
*reg_value = (value_h << 8) | value_l;
|
|
|
|
return ESP_OK;
|
|
|
|
err:
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static esp_err_t emac_dm9051_set_addr(esp_eth_mac_t *mac, uint8_t *addr)
|
|
|
|
{
|
|
|
|
esp_err_t ret = ESP_OK;
|
|
|
|
MAC_CHECK(addr, "can't set mac addr to null", err, ESP_ERR_INVALID_ARG);
|
|
|
|
emac_dm9051_t *emac = __containerof(mac, emac_dm9051_t, parent);
|
|
|
|
memcpy(emac->addr, addr, 6);
|
|
|
|
MAC_CHECK(dm9051_set_mac_addr(emac) == ESP_OK, "set mac address failed", err, ESP_FAIL);
|
|
|
|
return ESP_OK;
|
|
|
|
err:
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static esp_err_t emac_dm9051_get_addr(esp_eth_mac_t *mac, uint8_t *addr)
|
|
|
|
{
|
|
|
|
esp_err_t ret = ESP_OK;
|
|
|
|
MAC_CHECK(addr, "can't set mac addr to null", err, ESP_ERR_INVALID_ARG);
|
|
|
|
emac_dm9051_t *emac = __containerof(mac, emac_dm9051_t, parent);
|
|
|
|
memcpy(addr, emac->addr, 6);
|
|
|
|
return ESP_OK;
|
|
|
|
err:
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static esp_err_t emac_dm9051_set_link(esp_eth_mac_t *mac, eth_link_t link)
|
|
|
|
{
|
|
|
|
esp_err_t ret = ESP_OK;
|
|
|
|
emac_dm9051_t *emac = __containerof(mac, emac_dm9051_t, parent);
|
|
|
|
uint8_t nsr = 0;
|
|
|
|
MAC_CHECK(dm9051_register_read(emac, DM9051_NSR, &nsr) == ESP_OK, "read NSR failed", err, ESP_FAIL);
|
|
|
|
switch (link) {
|
|
|
|
case ETH_LINK_UP:
|
|
|
|
MAC_CHECK(nsr & NSR_LINKST, "phy is not link up", err, ESP_ERR_INVALID_STATE);
|
|
|
|
MAC_CHECK(dm9051_start(emac) == ESP_OK, "dm9051 start failed", err, ESP_FAIL);
|
|
|
|
break;
|
|
|
|
case ETH_LINK_DOWN:
|
|
|
|
MAC_CHECK(!(nsr & NSR_LINKST), "phy is not link down", err, ESP_ERR_INVALID_STATE);
|
|
|
|
MAC_CHECK(dm9051_stop(emac) == ESP_OK, "dm9051 stop failed", err, ESP_FAIL);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
MAC_CHECK(false, "unknown link status", err, ESP_ERR_INVALID_ARG);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return ESP_OK;
|
|
|
|
err:
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static esp_err_t emac_dm9051_set_speed(esp_eth_mac_t *mac, eth_speed_t speed)
|
|
|
|
{
|
|
|
|
esp_err_t ret = ESP_OK;
|
|
|
|
emac_dm9051_t *emac = __containerof(mac, emac_dm9051_t, parent);
|
|
|
|
uint8_t nsr = 0;
|
|
|
|
MAC_CHECK(dm9051_register_read(emac, DM9051_NSR, &nsr) == ESP_OK, "read NSR failed", err, ESP_FAIL);
|
|
|
|
switch (speed) {
|
|
|
|
case ETH_SPEED_10M:
|
|
|
|
MAC_CHECK(nsr & NSR_SPEED, "phy speed is not at 10Mbps", err, ESP_ERR_INVALID_STATE);
|
|
|
|
break;
|
|
|
|
case ETH_SPEED_100M:
|
|
|
|
MAC_CHECK(!(nsr & NSR_SPEED), "phy speed is not at 100Mbps", err, ESP_ERR_INVALID_STATE);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
MAC_CHECK(false, "unknown speed", err, ESP_ERR_INVALID_ARG);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return ESP_OK;
|
|
|
|
err:
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static esp_err_t emac_dm9051_set_duplex(esp_eth_mac_t *mac, eth_duplex_t duplex)
|
|
|
|
{
|
|
|
|
esp_err_t ret = ESP_OK;
|
|
|
|
emac_dm9051_t *emac = __containerof(mac, emac_dm9051_t, parent);
|
|
|
|
uint8_t ncr = 0;
|
|
|
|
MAC_CHECK(dm9051_register_read(emac, DM9051_NCR, &ncr) == ESP_OK, "read NCR failed", err, ESP_FAIL);
|
|
|
|
switch (duplex) {
|
|
|
|
case ETH_DUPLEX_HALF:
|
|
|
|
MAC_CHECK(!(ncr & NCR_FDX), "phy is not at half duplex", err, ESP_ERR_INVALID_STATE);
|
|
|
|
break;
|
|
|
|
case ETH_DUPLEX_FULL:
|
|
|
|
MAC_CHECK(ncr & NCR_FDX, "phy is not at full duplex", err, ESP_ERR_INVALID_STATE);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
MAC_CHECK(false, "unknown duplex", err, ESP_ERR_INVALID_ARG);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return ESP_OK;
|
|
|
|
err:
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static esp_err_t emac_dm9051_set_promiscuous(esp_eth_mac_t *mac, bool enable)
|
|
|
|
{
|
|
|
|
esp_err_t ret = ESP_OK;
|
|
|
|
emac_dm9051_t *emac = __containerof(mac, emac_dm9051_t, parent);
|
|
|
|
uint8_t rcr = 0;
|
|
|
|
MAC_CHECK(dm9051_register_read(emac, DM9051_EPDRL, &rcr) == ESP_OK, "read RCR failed", err, ESP_FAIL);
|
|
|
|
if (enable) {
|
|
|
|
rcr |= RCR_PRMSC;
|
|
|
|
} else {
|
|
|
|
rcr &= ~RCR_PRMSC;
|
|
|
|
}
|
|
|
|
MAC_CHECK(dm9051_register_write(emac, DM9051_RCR, rcr) == ESP_OK, "write RCR failed", err, ESP_FAIL);
|
|
|
|
return ESP_OK;
|
|
|
|
err:
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static esp_err_t emac_dm9051_transmit(esp_eth_mac_t *mac, uint8_t *buf, uint32_t length)
|
|
|
|
{
|
|
|
|
esp_err_t ret = ESP_OK;
|
|
|
|
emac_dm9051_t *emac = __containerof(mac, emac_dm9051_t, parent);
|
|
|
|
MAC_CHECK(buf, "can't set buf to null", err, ESP_ERR_INVALID_ARG);
|
|
|
|
MAC_CHECK(length, "buf length can't be zero", err, ESP_ERR_INVALID_ARG);
|
|
|
|
/* Check if last transmit complete */
|
|
|
|
uint8_t tcr = 0;
|
|
|
|
MAC_CHECK(dm9051_register_read(emac, DM9051_TCR, &tcr) == ESP_OK, "read TCR failed", err, ESP_FAIL);
|
|
|
|
MAC_CHECK(!(tcr & TCR_TXREQ), "last transmit still in progress", err, ESP_ERR_INVALID_STATE);
|
|
|
|
/* set tx length */
|
|
|
|
MAC_CHECK(dm9051_register_write(emac, DM9051_TXPLL, length & 0xFF) == ESP_OK, "write TXPLL failed", err, ESP_FAIL);
|
|
|
|
MAC_CHECK(dm9051_register_write(emac, DM9051_TXPLH, (length >> 8) & 0xFF) == ESP_OK, "write TXPLH failed", err, ESP_FAIL);
|
|
|
|
/* copy data to tx memory */
|
|
|
|
MAC_CHECK(dm9051_memory_write(emac, buf, length) == ESP_OK, "write memory failed", err, ESP_FAIL);
|
|
|
|
/* issue tx polling command */
|
|
|
|
tcr |= TCR_TXREQ;
|
|
|
|
MAC_CHECK(dm9051_register_write(emac, DM9051_TCR, tcr) == ESP_OK, "write TCR failed", err, ESP_FAIL);
|
|
|
|
return ESP_OK;
|
|
|
|
err:
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static esp_err_t emac_dm9051_receive(esp_eth_mac_t *mac, uint8_t *buf, uint32_t *length)
|
|
|
|
{
|
|
|
|
esp_err_t ret = ESP_OK;
|
|
|
|
emac_dm9051_t *emac = __containerof(mac, emac_dm9051_t, parent);
|
|
|
|
MAC_CHECK(buf && length, "can't set buf and length to null", err, ESP_ERR_INVALID_ARG);
|
|
|
|
uint8_t rxbyte = 0;
|
|
|
|
uint16_t rx_len = 0;
|
|
|
|
__attribute__((aligned(4))) dm9051_rx_header_t header; // SPI driver needs the rx buffer 4 byte align
|
|
|
|
emac->packets_remain = false;
|
|
|
|
/* dummy read, get the most updated data */
|
|
|
|
MAC_CHECK(dm9051_register_read(emac, DM9051_MRCMDX, &rxbyte) == ESP_OK, "read MRCMDX failed", err, ESP_FAIL);
|
|
|
|
MAC_CHECK(dm9051_register_read(emac, DM9051_MRCMDX, &rxbyte) == ESP_OK, "read MRCMDX failed", err, ESP_FAIL);
|
|
|
|
/* rxbyte must be 0xFF, 0 or 1 */
|
|
|
|
if (rxbyte > 1) {
|
|
|
|
MAC_CHECK(dm9051_stop(emac) == ESP_OK, "stop dm9051 failed", err, ESP_FAIL);
|
|
|
|
/* reset rx fifo pointer */
|
2019-09-19 03:27:42 +00:00
|
|
|
MAC_CHECK(dm9051_register_write(emac, DM9051_MPTRCR, MPTRCR_RST_RX) == ESP_OK,
|
|
|
|
"write MPTRCR failed", err, ESP_FAIL);
|
2019-06-25 11:36:56 +00:00
|
|
|
ets_delay_us(10);
|
|
|
|
MAC_CHECK(dm9051_start(emac) == ESP_OK, "start dm9051 failed", err, ESP_FAIL);
|
|
|
|
MAC_CHECK(false, "reset rx fifo pointer", err, ESP_FAIL);
|
|
|
|
} else if (rxbyte) {
|
2019-09-19 03:27:42 +00:00
|
|
|
MAC_CHECK(dm9051_memory_peek(emac, (uint8_t *)&header, sizeof(header)) == ESP_OK,
|
|
|
|
"peek rx header failed", err, ESP_FAIL);
|
2019-06-25 11:36:56 +00:00
|
|
|
rx_len = header.length_low + (header.length_high << 8);
|
2019-09-19 03:27:42 +00:00
|
|
|
/* check if the buffer can hold all the incoming data */
|
|
|
|
if (*length < rx_len - 4) {
|
|
|
|
ESP_LOGE(TAG, "buffer size too small");
|
|
|
|
/* tell upper layer the size we need */
|
|
|
|
*length = rx_len - 4;
|
|
|
|
ret = ESP_ERR_INVALID_SIZE;
|
|
|
|
goto err;
|
|
|
|
}
|
|
|
|
MAC_CHECK(*length >= rx_len - 4, "buffer size too small", err, ESP_ERR_INVALID_SIZE);
|
|
|
|
MAC_CHECK(dm9051_memory_read(emac, (uint8_t *)&header, sizeof(header)) == ESP_OK,
|
|
|
|
"read rx header failed", err, ESP_FAIL);
|
2019-06-25 11:36:56 +00:00
|
|
|
MAC_CHECK(dm9051_memory_read(emac, buf, rx_len) == ESP_OK, "read rx data failed", err, ESP_FAIL);
|
|
|
|
MAC_CHECK(!(header.status & 0xBF), "receive status error: %xH", err, ESP_FAIL, header.status);
|
|
|
|
*length = rx_len - 4; // substract the CRC length (4Bytes)
|
|
|
|
/* dummy read, get the most updated data */
|
|
|
|
MAC_CHECK(dm9051_register_read(emac, DM9051_MRCMDX, &rxbyte) == ESP_OK, "read MRCMDX failed", err, ESP_FAIL);
|
|
|
|
MAC_CHECK(dm9051_register_read(emac, DM9051_MRCMDX, &rxbyte) == ESP_OK, "read MRCMDX failed", err, ESP_FAIL);
|
|
|
|
emac->packets_remain = rxbyte > 0;
|
|
|
|
}
|
|
|
|
return ESP_OK;
|
|
|
|
err:
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static esp_err_t emac_dm9051_init(esp_eth_mac_t *mac)
|
|
|
|
{
|
|
|
|
esp_err_t ret = ESP_OK;
|
|
|
|
emac_dm9051_t *emac = __containerof(mac, emac_dm9051_t, parent);
|
|
|
|
esp_eth_mediator_t *eth = emac->eth;
|
2019-11-14 04:03:14 +00:00
|
|
|
gpio_pad_select_gpio(emac->int_gpio_num);
|
|
|
|
gpio_set_direction(emac->int_gpio_num, GPIO_MODE_INPUT);
|
|
|
|
gpio_set_pull_mode(emac->int_gpio_num, GPIO_PULLDOWN_ONLY);
|
|
|
|
gpio_set_intr_type(emac->int_gpio_num, GPIO_INTR_POSEDGE);
|
|
|
|
gpio_intr_enable(emac->int_gpio_num);
|
|
|
|
gpio_isr_handler_add(emac->int_gpio_num, dm9051_isr_handler, emac);
|
2019-06-25 11:36:56 +00:00
|
|
|
MAC_CHECK(eth->on_state_changed(eth, ETH_STATE_LLINIT, NULL) == ESP_OK, "lowlevel init failed", err, ESP_FAIL);
|
|
|
|
/* reset dm9051 */
|
|
|
|
MAC_CHECK(dm9051_reset(emac) == ESP_OK, "reset dm9051 failed", err, ESP_FAIL);
|
|
|
|
/* verify chip id */
|
|
|
|
MAC_CHECK(dm9051_verify_id(emac) == ESP_OK, "vefiry chip ID failed", err, ESP_FAIL);
|
|
|
|
/* default setup of internal registers */
|
|
|
|
MAC_CHECK(dm9051_setup_default(emac) == ESP_OK, "dm9051 default setup failed", err, ESP_FAIL);
|
|
|
|
/* clear multicast hash table */
|
|
|
|
MAC_CHECK(dm9051_clear_multicast_table(emac) == ESP_OK, "clear multicast table failed", err, ESP_FAIL);
|
|
|
|
/* get emac address from eeprom */
|
|
|
|
MAC_CHECK(dm9051_get_mac_addr(emac) == ESP_OK, "fetch ethernet mac address failed", err, ESP_FAIL);
|
|
|
|
return ESP_OK;
|
|
|
|
err:
|
2019-11-14 04:03:14 +00:00
|
|
|
gpio_isr_handler_remove(emac->int_gpio_num);
|
|
|
|
gpio_reset_pin(emac->int_gpio_num);
|
2019-06-25 11:36:56 +00:00
|
|
|
eth->on_state_changed(eth, ETH_STATE_DEINIT, NULL);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static esp_err_t emac_dm9051_deinit(esp_eth_mac_t *mac)
|
|
|
|
{
|
|
|
|
emac_dm9051_t *emac = __containerof(mac, emac_dm9051_t, parent);
|
|
|
|
esp_eth_mediator_t *eth = emac->eth;
|
|
|
|
dm9051_stop(emac);
|
2019-11-14 04:03:14 +00:00
|
|
|
gpio_isr_handler_remove(emac->int_gpio_num);
|
|
|
|
gpio_reset_pin(emac->int_gpio_num);
|
2019-06-25 11:36:56 +00:00
|
|
|
eth->on_state_changed(eth, ETH_STATE_DEINIT, NULL);
|
|
|
|
return ESP_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
static esp_err_t emac_dm9051_del(esp_eth_mac_t *mac)
|
|
|
|
{
|
|
|
|
emac_dm9051_t *emac = __containerof(mac, emac_dm9051_t, parent);
|
2019-11-26 09:48:38 +00:00
|
|
|
vTaskDelete(emac->rx_task_hdl);
|
|
|
|
vSemaphoreDelete(emac->spi_lock);
|
|
|
|
free(emac);
|
2019-06-25 11:36:56 +00:00
|
|
|
return ESP_OK;
|
|
|
|
}
|
|
|
|
|
2019-09-18 10:28:55 +00:00
|
|
|
esp_eth_mac_t *esp_eth_mac_new_dm9051(const eth_dm9051_config_t *dm9051_config, const eth_mac_config_t *mac_config)
|
2019-06-25 11:36:56 +00:00
|
|
|
{
|
|
|
|
esp_eth_mac_t *ret = NULL;
|
2019-09-19 03:27:42 +00:00
|
|
|
emac_dm9051_t *emac = NULL;
|
2019-09-18 10:28:55 +00:00
|
|
|
MAC_CHECK(dm9051_config, "can't set dm9051 specific config to null", err, NULL);
|
|
|
|
MAC_CHECK(mac_config, "can't set mac config to null", err, NULL);
|
2019-09-19 03:27:42 +00:00
|
|
|
emac = calloc(1, sizeof(emac_dm9051_t));
|
2019-06-25 11:36:56 +00:00
|
|
|
MAC_CHECK(emac, "calloc emac failed", err, NULL);
|
2019-11-14 04:03:14 +00:00
|
|
|
/* dm9051 receive is driven by interrupt only for now*/
|
|
|
|
MAC_CHECK(dm9051_config->int_gpio_num >= 0, "error interrupt gpio number", err, NULL);
|
2019-06-25 11:36:56 +00:00
|
|
|
/* bind methods and attributes */
|
2019-09-18 10:28:55 +00:00
|
|
|
emac->sw_reset_timeout_ms = mac_config->sw_reset_timeout_ms;
|
2019-11-14 04:03:14 +00:00
|
|
|
emac->int_gpio_num = dm9051_config->int_gpio_num;
|
2019-09-18 10:28:55 +00:00
|
|
|
emac->spi_hdl = dm9051_config->spi_hdl;
|
2019-06-25 11:36:56 +00:00
|
|
|
emac->parent.set_mediator = emac_dm9051_set_mediator;
|
|
|
|
emac->parent.init = emac_dm9051_init;
|
|
|
|
emac->parent.deinit = emac_dm9051_deinit;
|
|
|
|
emac->parent.del = emac_dm9051_del;
|
|
|
|
emac->parent.write_phy_reg = emac_dm9051_write_phy_reg;
|
|
|
|
emac->parent.read_phy_reg = emac_dm9051_read_phy_reg;
|
|
|
|
emac->parent.set_addr = emac_dm9051_set_addr;
|
|
|
|
emac->parent.get_addr = emac_dm9051_get_addr;
|
|
|
|
emac->parent.set_speed = emac_dm9051_set_speed;
|
|
|
|
emac->parent.set_duplex = emac_dm9051_set_duplex;
|
|
|
|
emac->parent.set_link = emac_dm9051_set_link;
|
|
|
|
emac->parent.set_promiscuous = emac_dm9051_set_promiscuous;
|
|
|
|
emac->parent.transmit = emac_dm9051_transmit;
|
|
|
|
emac->parent.receive = emac_dm9051_receive;
|
|
|
|
/* create mutex */
|
|
|
|
emac->spi_lock = xSemaphoreCreateMutex();
|
2019-09-19 03:27:42 +00:00
|
|
|
MAC_CHECK(emac->spi_lock, "create lock failed", err, NULL);
|
2019-06-25 11:36:56 +00:00
|
|
|
/* create dm9051 task */
|
2019-09-18 10:28:55 +00:00
|
|
|
BaseType_t xReturned = xTaskCreate(emac_dm9051_task, "dm9051_tsk", mac_config->rx_task_stack_size, emac,
|
|
|
|
mac_config->rx_task_prio, &emac->rx_task_hdl);
|
2019-09-19 03:27:42 +00:00
|
|
|
MAC_CHECK(xReturned == pdPASS, "create dm9051 task failed", err, NULL);
|
2019-06-25 11:36:56 +00:00
|
|
|
return &(emac->parent);
|
2019-09-19 03:27:42 +00:00
|
|
|
|
2019-06-25 11:36:56 +00:00
|
|
|
err:
|
2019-09-19 03:27:42 +00:00
|
|
|
if (emac) {
|
|
|
|
if (emac->rx_task_hdl) {
|
|
|
|
vTaskDelete(emac->rx_task_hdl);
|
|
|
|
}
|
|
|
|
if (emac->spi_lock) {
|
|
|
|
vSemaphoreDelete(emac->spi_lock);
|
|
|
|
}
|
|
|
|
free(emac);
|
|
|
|
}
|
2019-06-25 11:36:56 +00:00
|
|
|
return ret;
|
|
|
|
}
|