Seongbin Lim / Mbed OS sb_first_project

This is a very simple guide, reviewing the steps required to get Blinky working on an Mbed OS platform.

Dependencies:   RemoteIR

main.cpp

Committer:
sb8718
Date:
2020-05-08
Revision:
131:8fb226cc407c
Parent:
130:d19783810c05
Child:
132:e36000d354c6
Child:
134:139f37fecf3d

File content as of revision 131:8fb226cc407c:

#include "mbed.h"
#include "ReceiverIR.h"

Serial pc(PA_2, PA_3, 115200); //IR receiver D4
ReceiverIR ir_rx(D3);

void display_data(uint8_t *buf, int bitlength) {
    const int n = bitlength / 8 + (((bitlength % 8) != 0) ? 1 : 0);
    for (int i = 0; i < n; i++) {
        pc.printf("%02X", buf[i]);
    }
    for (int i = 0; i < 8 - n; i++) {
        pc.printf("--");
    }
}
int receive(RemoteIR::Format *format, uint8_t *buf, int bufsiz, int timeout = 100) {
    int cnt = 0;
    while (ir_rx.getState() != ReceiverIR::Received) {
        cnt++;
        if (timeout < cnt) {
            return -1;
        }
    }
    return ir_rx.getData(format, buf, bufsiz * 8);
}
 

int main() {
      
      pc.printf("\r\n\r\n\r\n\r\nStart!!\r\n");
      
    while (1) {
        RemoteIR::Format format;
            uint8_t buf[32];
            int bitcount;
            if (ir_rx.getState() == ReceiverIR::Received) {
                bitcount = ir_rx.getData(&format, buf, sizeof(buf));
            }
            
            bitcount = receive(&format, buf, sizeof(buf));
            if (bitcount < 0) {
                continue;
            }
            
            display_data(buf, bitcount);
            
            
    }
}