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Order members largest to smallest to reduce padding

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This commit is contained in:
J. Nick Koston
2026-08-19 13:22:31 -05:00
parent 4d68f0cb98
commit 9709e336f6
1 changed files with 14 additions and 14 deletions
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esphome/components/uart/uart_component_esp8266.h
+14 -14
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@@ -45,29 +45,29 @@ class ESP8266SoftwareSerial {
this->rx_finalize_pending_();
}
// Edge decoder state. rx_bit_ is the index of the next frame bit after the
// start bit (data, then parity, then stop at rx_stop_bit_) or RX_IDLE.
static constexpr uint8_t RX_IDLE = 0xFF;
// Members ordered largest to smallest to minimize padding
uint32_t bit_time_{0};
uint32_t rx_max_run_cycles_{0};
volatile uint32_t rx_last_edge_{0};
uint8_t *rx_buffer_{nullptr};
size_t rx_buffer_size_;
volatile size_t rx_in_pos_{0};
size_t rx_out_pos_{0};
// Edge decoder state. rx_bit_ is the index of the next frame bit after the
// start bit (data, then parity, then stop at rx_stop_bit_) or RX_IDLE.
static constexpr uint8_t RX_IDLE = 0xFF;
uint32_t rx_max_run_cycles_{0};
volatile uint32_t rx_last_edge_{0};
volatile uint8_t rx_bit_{RX_IDLE};
volatile uint8_t rx_cur_byte_{0};
volatile bool rx_last_level_{true};
uint8_t rx_stop_bit_{0};
uint8_t stop_bits_;
uint8_t data_bits_;
UARTParityOptions parity_;
InternalGPIOPin *gpio_tx_pin_{nullptr};
ISRInternalGPIOPin tx_pin_;
InternalGPIOPin *gpio_rx_pin_{nullptr};
ISRInternalGPIOPin rx_pin_;
UARTParityOptions parity_;
volatile uint8_t rx_bit_{RX_IDLE};
volatile uint8_t rx_cur_byte_{0};
volatile bool rx_last_level_{true};
uint8_t rx_stop_bit_{0};
uint8_t stop_bits_;
uint8_t data_bits_;
};
class ESP8266UartComponent final : public UARTComponent, public Component {