mirror of https://github.com/esphome/esphome.git
90 lines
2.7 KiB
C++
90 lines
2.7 KiB
C++
#pragma once
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#include <vector>
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#include <cstring>
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#include "esphome/core/defines.h"
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#include "esphome/core/component.h"
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#include "esphome/core/hal.h"
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#include "esphome/core/log.h"
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#ifdef USE_UART_DEBUGGER
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#include "esphome/core/automation.h"
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#endif
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namespace esphome {
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namespace uart {
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enum UARTParityOptions {
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UART_CONFIG_PARITY_NONE,
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UART_CONFIG_PARITY_EVEN,
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UART_CONFIG_PARITY_ODD,
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};
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#ifdef USE_UART_DEBUGGER
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enum UARTDirection {
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UART_DIRECTION_RX,
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UART_DIRECTION_TX,
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UART_DIRECTION_BOTH,
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};
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#endif
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const LogString *parity_to_str(UARTParityOptions parity);
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class UARTComponent {
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public:
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void write_array(const std::vector<uint8_t> &data) { this->write_array(&data[0], data.size()); }
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void write_byte(uint8_t data) { this->write_array(&data, 1); };
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void write_str(const char *str) {
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const auto *data = reinterpret_cast<const uint8_t *>(str);
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this->write_array(data, strlen(str));
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};
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virtual void write_array(const uint8_t *data, size_t len) = 0;
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bool read_byte(uint8_t *data) { return this->read_array(data, 1); };
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virtual bool peek_byte(uint8_t *data) = 0;
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virtual bool read_array(uint8_t *data, size_t len) = 0;
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/// Return available number of bytes.
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virtual int available() = 0;
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/// Block until all bytes have been written to the UART bus.
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virtual void flush() = 0;
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void set_tx_pin(InternalGPIOPin *tx_pin) { this->tx_pin_ = tx_pin; }
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void set_rx_pin(InternalGPIOPin *rx_pin) { this->rx_pin_ = rx_pin; }
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void set_rx_buffer_size(size_t rx_buffer_size) { this->rx_buffer_size_ = rx_buffer_size; }
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size_t get_rx_buffer_size() { return this->rx_buffer_size_; }
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void set_stop_bits(uint8_t stop_bits) { this->stop_bits_ = stop_bits; }
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uint8_t get_stop_bits() const { return this->stop_bits_; }
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void set_data_bits(uint8_t data_bits) { this->data_bits_ = data_bits; }
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uint8_t get_data_bits() const { return this->data_bits_; }
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void set_parity(UARTParityOptions parity) { this->parity_ = parity; }
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UARTParityOptions get_parity() const { return this->parity_; }
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void set_baud_rate(uint32_t baud_rate) { baud_rate_ = baud_rate; }
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uint32_t get_baud_rate() const { return baud_rate_; }
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#ifdef USE_UART_DEBUGGER
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void add_debug_callback(std::function<void(UARTDirection, uint8_t)> &&callback) {
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this->debug_callback_.add(std::move(callback));
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}
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#endif
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protected:
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virtual void check_logger_conflict() = 0;
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bool check_read_timeout_(size_t len = 1);
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InternalGPIOPin *tx_pin_;
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InternalGPIOPin *rx_pin_;
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size_t rx_buffer_size_;
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uint32_t baud_rate_;
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uint8_t stop_bits_;
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uint8_t data_bits_;
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UARTParityOptions parity_;
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#ifdef USE_UART_DEBUGGER
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CallbackManager<void(UARTDirection, uint8_t)> debug_callback_{};
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#endif
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};
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} // namespace uart
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} // namespace esphome
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