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feat(esp_eth): added example to deinit Ethernet

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This commit is contained in:
Ondrej Kosta
2024-04-23 16:49:51 +02:00
parent d15a9c2c48
commit 5e7cbdb4da
4 changed files with 88 additions and 19 deletions
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65
examples/ethernet/basic/components/ethernet_init/ethernet_init.c
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@@ -9,11 +9,9 @@
#include "esp_mac.h"
#include "driver/gpio.h"
#include "sdkconfig.h"
#if CONFIG_ETH_USE_SPI_ETHERNET
#if CONFIG_EXAMPLE_USE_SPI_ETHERNET
#include "driver/spi_master.h"
#endif // CONFIG_ETH_USE_SPI_ETHERNET
static const char *TAG = "example_eth_init";
#endif // CONFIG_EXAMPLE_USE_SPI_ETHERNET
#if CONFIG_EXAMPLE_SPI_ETHERNETS_NUM
#define SPI_ETHERNETS_NUM CONFIG_EXAMPLE_SPI_ETHERNETS_NUM
@@ -45,6 +43,12 @@ typedef struct {
uint8_t *mac_addr;
}spi_eth_module_config_t;
static const char *TAG = "example_eth_init";
#if CONFIG_EXAMPLE_USE_SPI_ETHERNET
static bool gpio_isr_svc_init_by_eth = false; // indicates that we initialized the GPIO ISR service
#endif // CONFIG_EXAMPLE_USE_SPI_ETHERNET
#if CONFIG_EXAMPLE_USE_INTERNAL_ETHERNET
/**
* @brief Internal ESP32 Ethernet initialization
@@ -128,17 +132,19 @@ static esp_err_t spi_bus_init(void)
{
esp_err_t ret = ESP_OK;
#if (CONFIG_EXAMPLE_ETH_SPI_INT0_GPIO >= 0) || (CONFIG_EXAMPLE_ETH_SPI_INT1_GPIO > 0)
// Install GPIO ISR handler to be able to service SPI Eth modules interrupts
ret = gpio_install_isr_service(0);
if (ret != ESP_OK) {
if (ret == ESP_ERR_INVALID_STATE) {
ESP_LOGW(TAG, "GPIO ISR handler has been already installed");
ret = ESP_OK; // ISR handler has been already installed so no issues
} else {
ESP_LOGE(TAG, "GPIO ISR handler install failed");
goto err;
}
if (ret == ESP_OK) {
gpio_isr_svc_init_by_eth = true;
} else if (ret == ESP_ERR_INVALID_STATE) {
ESP_LOGW(TAG, "GPIO ISR handler has been already installed");
ret = ESP_OK; // ISR handler has been already installed so no issues
} else {
ESP_LOGE(TAG, "GPIO ISR handler install failed");
goto err;
}
#endif
// Init SPI bus
spi_bus_config_t buscfg = {
@@ -283,7 +289,7 @@ esp_err_t example_eth_init(esp_eth_handle_t *eth_handles_out[], uint8_t *eth_cnt
ESP_GOTO_ON_FALSE(eth_handles[eth_cnt], ESP_FAIL, err, TAG, "SPI Ethernet init failed");
eth_cnt++;
}
#endif // CONFIG_ETH_USE_SPI_ETHERNET
#endif // CONFIG_EXAMPLE_USE_SPI_ETHERNET
#else
ESP_LOGD(TAG, "no Ethernet device selected to init");
#endif // CONFIG_EXAMPLE_USE_INTERNAL_ETHERNET || CONFIG_EXAMPLE_USE_SPI_ETHERNET
@@ -297,3 +303,36 @@ err:
return ret;
#endif
}
esp_err_t example_eth_deinit(esp_eth_handle_t *eth_handles, uint8_t eth_cnt)
{
ESP_RETURN_ON_FALSE(eth_handles != NULL, ESP_ERR_INVALID_ARG, TAG, "array of Ethernet handles cannot be NULL");
for (int i = 0; i < eth_cnt; i++) {
esp_eth_mac_t *mac = NULL;
esp_eth_phy_t *phy = NULL;
if (eth_handles[i] != NULL) {
esp_eth_get_mac_instance(eth_handles[i], &mac);
esp_eth_get_phy_instance(eth_handles[i], &phy);
ESP_RETURN_ON_ERROR(esp_eth_driver_uninstall(eth_handles[i]), TAG, "Ethernet %p uninstall failed", eth_handles[i]);
}
if (mac != NULL) {
mac->del(mac);
}
if (phy != NULL) {
phy->del(phy);
}
}
#if CONFIG_EXAMPLE_USE_SPI_ETHERNET
spi_bus_free(CONFIG_EXAMPLE_ETH_SPI_HOST);
#if (CONFIG_EXAMPLE_ETH_SPI_INT0_GPIO >= 0) || (CONFIG_EXAMPLE_ETH_SPI_INT1_GPIO > 0)
// We installed the GPIO ISR service so let's uninstall it too.
// BE CAREFUL HERE though since the service might be used by other functionality!
if (gpio_isr_svc_init_by_eth) {
ESP_LOGW(TAG, "uninstalling GPIO ISR service!");
gpio_uninstall_isr_service();
}
#endif
#endif //CONFIG_EXAMPLE_USE_SPI_ETHERNET
free(eth_handles);
return ESP_OK;
}