Scanmatik 2 pro, установка Bluetooth модуля.

[koliada 1]

Делай на HC-05 реально работает спасибо автору 

Посмотри в соседней ветке

 

[carmasteruser 0]

#include "BluetoothSerial.h"
#include "driver/uart.h"

#define BAUD_RATE  115200 * 8
#define SIZE_BUFFER  256
#define SIZE_FIFO   SIZE_BUFFER * 8
#define SAVE_MODE
//#define DEBUG_MODE

//#define USE_PIN
#ifdef USE_PIN
const char* pin = "1234";
#endif
const String device_name = "SCANMATIK #A111788";
BluetoothSerial SerialBT;
uint8_t buffer[SIZE_BUFFER];
unsigned int available=0;
unsigned int availableBT=0;
size_t bytesRead=0;
size_t bytesWrite=0;

#ifdef SAVE_MODE
  uint32_t min_delay = 1;
  uint32_t max_delay = min_delay * 1024;  
  uint32_t cur_delay = min_delay;
  uint32_t critical_size = SIZE_FIFO / 2;
#endif

#ifdef DEBUG_MODE
  #include <chrono>
  using namespace std::chrono;
  auto timePointSerial = high_resolution_clock::now();
  auto timePointBT = high_resolution_clock::now();
#endif

void setup() {
  Serial.setRxBufferSize(SIZE_FIFO);
  Serial.setTxBufferSize(SIZE_FIFO);
  Serial.begin(BAUD_RATE);  

  memset(buffer, 0, sizeof(buffer));
  
  // setup UART from hardware (RTS/CTS)
  uart_set_pin(UART_NUM_0, 1, 3, 22, 19); // UART, TX, RX, RTS, CTS
  uart_set_hw_flow_ctrl(UART_NUM_0, UART_HW_FLOWCTRL_CTS_RTS, 64);
  uart_set_mode(UART_NUM_0, UART_MODE_UART);
  
  SerialBT.begin(device_name);
  #ifdef USE_PIN
    SerialBT.setPin(pin);
  #endif
  
  Serial.print("AT-AB -BypassMode-\n");
}

void loop() {  
  available = Serial.available();
  if (available > 0) {    
    bytesRead = Serial.readBytes(buffer, min(available, sizeof(buffer)));    
    bytesWrite = SerialBT.write(buffer, bytesRead);
#ifdef SAVE_MODE
    if (cur_delay > min_delay) {
        cur_delay /= 2;
    }
#endif
#ifdef DEBUG_MODE
    auto timeoutSerial = high_resolution_clock::now() - timePointSerial;
    Serial.printf("\n\rAvailable from Serial %u, cur_delay %u , timeout %u\n", available, cur_delay, duration_cast<microseconds>(timeoutSerial).count());
    Serial.printf("\n\rFrom Serial to BT Read = %u, Write = %u\n", bytesRead, bytesWrite);      
    timePointSerial = high_resolution_clock::now();
#endif       
  }  
  availableBT = SerialBT.available();
  if (availableBT > 0) {    
    bytesRead = SerialBT.readBytes(buffer, min(availableBT, sizeof(buffer)));
    bytesWrite = Serial.write(buffer, bytesRead);   
#ifdef SAVE_MODE
    if (cur_delay > min_delay) {
        cur_delay /= 2;
    }
#endif
#ifdef DEBUG_MODE
    auto timeoutBT = high_resolution_clock::now() - timePointBT;
    Serial.printf("\n\rAvailable from BT %u, cur_delay %u, timeout %u\n", availableBT, cur_delay, duration_cast<microseconds>(timeoutBT).count());
    Serial.printf("\n\rFrom BT to Serial Read = %u, Write = %u\n", bytesRead, bytesWrite);
    timePointBT = high_resolution_clock::now();
#endif         
  }
#ifdef SAVE_MODE 
  if ((available < critical_size) && (availableBT < critical_size)) {
    delay(cur_delay);
  }
  if ((available <= 0) && (availableBT <= 0)) {
    if (cur_delay < max_delay) {
      cur_delay *= 2;
    }
  }
#endif  
}

 

для визуального контроля работы интерфейсов раскоментировать //#define DEBUG_MODE

Это для экспериментов до установки в сканматик. Устанавливать с включенным DEBUG лучше не надо