init-ble-uart
greenberg-nicholas/esp32-relay/init-ble-uart
Initializes a BLE module connection.
Connects to a Blynk application.
Syncs with the application
init-ble-uart
@/init-ble-uart
Initializes a BLE module connection.
Connects to a Blynk application.
Syncs with the application
UARTxod/uart/uart
An UART interface to which BLE module is wired
AUTHstring
A 32-digit token value of a Blynk project
RUNpulse
Triggers a synchronization with the application
INITpulse
Triggets a new connection to a Blynk application
DONEpulse
Fires on a successful connection
ERRpulse
Fires on a failed connection
BLNK@/blynk
C++ implementation
#pragma XOD require "https://github.com/blynkkk/blynk-library"
// clang-format off
{{#global}}
#define BLYNK_MSG_LIMIT 1500
#include <BlynkSimpleSerialBLE.h>
extern "C" {
struct BlynkReq;
struct BlynkParam;
void BlynkWidgetWriteDefault(BlynkReq __attribute__((__unused__)) &request, const BlynkParam __attribute__((__unused__)) ¶m);
}
namespace xodBlynkBle {
uint8_t blynkPin;
char blynkPinData[24];
}
BLYNK_WRITE_DEFAULT() {
xodBlynkBle::blynkPin = request.pin;
strcpy(xodBlynkBle::blynkPinData,param.asStr());
}
{{/global}}
// clang-format on
struct State {
char auth[33] = { 0 };
uint8_t mem[sizeof(BlynkStream)];
BlynkStream* xodBlynk;
};
{{ GENERATED_CODE }}
void evaluate(Context ctx) {
auto state = getState(ctx);
auto uart = getValue<input_UART>(ctx);
if (isInputDirty<input_INIT>(ctx)){
state->xodBlynk = new (state->mem) BlynkStream(_blynkTransport);
dump(getValue<input_AUTH>(ctx),state->auth);
state->xodBlynk->begin(*(uart->toStream()),state->auth);
if (state->xodBlynk->connect()){
emitValue<output_DONE>(ctx, 1);
} else {
emitValue<output_ERR>(ctx, 1);
}
}
if(isInputDirty<input_RUN>(ctx) ){
state->xodBlynk->run();
}
ValueType<output_BLNK>::T obj;
obj = { xodBlynkBle::blynkPin, xodBlynkBle::blynkPinData, state->xodBlynk };
emitValue<output_BLNK>(ctx, obj);
}