https://github.com/schreibfaul1/esp32-kcx-bt-emitter
Communication with KCX_BT_EMITTER V1.7
https://github.com/schreibfaul1/esp32-kcx-bt-emitter
Last synced: 3 months ago
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Communication with KCX_BT_EMITTER V1.7
- Host: GitHub
- URL: https://github.com/schreibfaul1/esp32-kcx-bt-emitter
- Owner: schreibfaul1
- Created: 2024-01-27T11:17:12.000Z (over 1 year ago)
- Default Branch: main
- Last Pushed: 2024-12-27T13:50:41.000Z (6 months ago)
- Last Synced: 2025-03-24T20:51:12.576Z (3 months ago)
- Language: C++
- Size: 40 KB
- Stars: 5
- Watchers: 1
- Forks: 3
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
# ESP32 KCX_BT_EMITTER
example:
````c++
#include "Arduino.h"
#include "src/KCX_BT_Emitter.h"
#define BT_EMITTER_RX 45 // TX pin - KCX Bluetooth Transmitter
#define BT_EMITTER_TX 38 // RX pin - KCX Bluetooth Transmitter
#define BT_EMITTER_LINK 19 // high if connected
#define BT_EMITTER_MODE 20 // high transmit - low receive
KCX_BT_Emitter bt_emitter(BT_EMITTER_RX, BT_EMITTER_TX, BT_EMITTER_LINK, BT_EMITTER_MODE);
char buff[100];
void setup() {
Serial.begin(115200);
bt_emitter.begin();
bt_emitter.userCommand("AT+GMR?"); // get version
bt_emitter.userCommand("AT+VMLINK?"); // get all mem vmlinks
bt_emitter.userCommand("AT+VOL?"); // get volume (in receiver mode 0 ... 31)
bt_emitter.userCommand("AT+BT_MODE?"); // transmitter or receiver
}
void loop() {
bt_emitter.loop();
if(Serial.available()){
int p = Serial.readBytesUntil('\n', buff, 100);
buff[p] = '\0';
bt_emitter.userCommand(buff);
}
}
void kcx_bt_info(const char* info, const char* val){
Serial.printf("BT-Emitter: %s %s\n", info, val);
}
void kcx_bt_status(bool status) { // is always called when the status changes fron disconnected to connected and vice versa
if(status) { Serial.printf("BT-Emitter: Status -> Connected\n"); }
else { Serial.printf("BT-Emitter: Status -> Disconnected\n");}
}
void kcx_bt_memItems(const char* jsonItems){ // Every time an item (name or address) was added, a JSON string is passed here
Serial.printf("bt_memItems %s\n", jsonItems);
}
void kcx_bt_scanItems(const char* jsonItems){ // Every time an item (name and address) was scanned, a JSON string is passed here
Serial.printf("bt_scanItems %s\n", jsonItems);
}
void kcx_bt_modeChanged(const char* m){ // Every time the mode has changed
if(strcmp("RX", m) == 0) {
Serial.printf("receiver mode");
}
if(strcmp("TX", m) == 0) {
Serial.printf("emitter mode");
}
}
````
Serial port protocol:
The last 100 read/write commands are stored
````c++
uint16_t i = 0;
while(bt_emitter.list_protokol(i)){
log_i("%s", bt_emitter.list_protokol(i));
i++;
}
````