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Reduce ethernet component memory usage by 8 bytes (#9231)

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J. Nick Koston 2025-06-27 08:52:12 +02:00 committed by GitHub
parent 62f28902c5
commit 7931423e8c
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GPG Key ID: B5690EEEBB952194
1 changed files with 16 additions and 10 deletions
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26
esphome/components/ethernet/ethernet_component.h
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@ -15,7 +15,7 @@
namespace esphome { namespace esphome {
namespace ethernet { namespace ethernet {
enum EthernetType { enum EthernetType : uint8_t {
ETHERNET_TYPE_UNKNOWN = 0, ETHERNET_TYPE_UNKNOWN = 0,
ETHERNET_TYPE_LAN8720, ETHERNET_TYPE_LAN8720,
ETHERNET_TYPE_RTL8201, ETHERNET_TYPE_RTL8201,
@ -42,7 +42,7 @@ struct PHYRegister {
uint32_t page; uint32_t page;
}; };
enum class EthernetComponentState { enum class EthernetComponentState : uint8_t {
STOPPED, STOPPED,
CONNECTING, CONNECTING,
CONNECTED, CONNECTED,
@ -119,25 +119,31 @@ class EthernetComponent : public Component {
uint32_t polling_interval_{0}; uint32_t polling_interval_{0};
#endif #endif
#else #else
uint8_t phy_addr_{0}; // Group all 32-bit members first
int power_pin_{-1}; int power_pin_{-1};
uint8_t mdc_pin_{23};
uint8_t mdio_pin_{18};
emac_rmii_clock_mode_t clk_mode_{EMAC_CLK_EXT_IN}; emac_rmii_clock_mode_t clk_mode_{EMAC_CLK_EXT_IN};
emac_rmii_clock_gpio_t clk_gpio_{EMAC_CLK_IN_GPIO}; emac_rmii_clock_gpio_t clk_gpio_{EMAC_CLK_IN_GPIO};
std::vector<PHYRegister> phy_registers_{}; std::vector<PHYRegister> phy_registers_{};
#endif
EthernetType type_{ETHERNET_TYPE_UNKNOWN};
optional<ManualIP> manual_ip_{};
// Group all 8-bit members together
uint8_t phy_addr_{0};
uint8_t mdc_pin_{23};
uint8_t mdio_pin_{18};
#endif
optional<ManualIP> manual_ip_{};
uint32_t connect_begin_;
// Group all uint8_t types together (enums and bools)
EthernetType type_{ETHERNET_TYPE_UNKNOWN};
EthernetComponentState state_{EthernetComponentState::STOPPED};
bool started_{false}; bool started_{false};
bool connected_{false}; bool connected_{false};
bool got_ipv4_address_{false}; bool got_ipv4_address_{false};
#if LWIP_IPV6 #if LWIP_IPV6
uint8_t ipv6_count_{0}; uint8_t ipv6_count_{0};
#endif /* LWIP_IPV6 */ #endif /* LWIP_IPV6 */
EthernetComponentState state_{EthernetComponentState::STOPPED};
uint32_t connect_begin_; // Pointers at the end (naturally aligned)
esp_netif_t *eth_netif_{nullptr}; esp_netif_t *eth_netif_{nullptr};
esp_eth_handle_t eth_handle_; esp_eth_handle_t eth_handle_;
esp_eth_phy_t *phy_{nullptr}; esp_eth_phy_t *phy_{nullptr};