ESPHome  2022.9.1
uart.cpp
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1 #include "uart.h"
2 #include "esphome/core/log.h"
3 #include "esphome/core/helpers.h"
5 #include "esphome/core/defines.h"
6 
7 namespace esphome {
8 namespace uart {
9 
10 static const char *const TAG = "uart";
11 
12 void UARTDevice::check_uart_settings(uint32_t baud_rate, uint8_t stop_bits, UARTParityOptions parity,
13  uint8_t data_bits) {
14  if (this->parent_->get_baud_rate() != baud_rate) {
15  ESP_LOGE(TAG, " Invalid baud_rate: Integration requested baud_rate %u but you have %u!", baud_rate,
16  this->parent_->get_baud_rate());
17  }
18  if (this->parent_->get_stop_bits() != stop_bits) {
19  ESP_LOGE(TAG, " Invalid stop bits: Integration requested stop_bits %u but you have %u!", stop_bits,
20  this->parent_->get_stop_bits());
21  }
22  if (this->parent_->get_data_bits() != data_bits) {
23  ESP_LOGE(TAG, " Invalid number of data bits: Integration requested %u data bits but you have %u!", data_bits,
24  this->parent_->get_data_bits());
25  }
26  if (this->parent_->get_parity() != parity) {
27  ESP_LOGE(TAG, " Invalid parity: Integration requested parity %s but you have %s!",
28  LOG_STR_ARG(parity_to_str(parity)), LOG_STR_ARG(parity_to_str(this->parent_->get_parity())));
29  }
30 }
31 
32 const LogString *parity_to_str(UARTParityOptions parity) {
33  switch (parity) {
35  return LOG_STR("NONE");
37  return LOG_STR("EVEN");
39  return LOG_STR("ODD");
40  default:
41  return LOG_STR("UNKNOWN");
42  }
43 }
44 
45 } // namespace uart
46 } // namespace esphome
uint32_t get_baud_rate() const
UARTComponent * parent_
Definition: uart.h:68
void check_uart_settings(uint32_t baud_rate, uint8_t stop_bits=1, UARTParityOptions parity=UART_CONFIG_PARITY_NONE, uint8_t data_bits=8)
Check that the configuration of the UART bus matches the provided values and otherwise print a warnin...
Definition: uart.cpp:12
UARTParityOptions get_parity() const
Definition: a4988.cpp:4
const LogString * parity_to_str(UARTParityOptions parity)
Definition: uart.cpp:32