File content as of revision 0:b399a75f4990:

#include "ConfigFile.h"
#include "mbed.h"

DigitalOut myled(LED1);
DigitalOut reset(p8);
Serial uart(p13, p14);  // tx, rx
Serial pc(USBTX, USBRX); // tx, rx

uint8_t calculateChecksum(uint8_t frameSize, uint8_t* buffer) {
    uint32_t checkSum = 0;
    uint8_t frameTypeIndex = 3;
    
    for (int i = frameTypeIndex; i < frameSize - 1; i++) {
        checkSum += buffer[i];
    }

    return (uint8_t)(0xFF - (checkSum & 0xFF));      
}

uint16_t getFrameSize(uint8_t value1, uint8_t value2) {
    union {
        uint16_t u16_value;
        uint8_t  u8_value[2];
    } length;

    length.u8_value[1] = value1;
    length.u8_value[0] = value2;

    return length.u16_value;
}

/*void readFrame(){
    uint8_t temp[2] = { 0 };
    uint8_t buffer[104] = { 0 };
    
    if (uart.readable() && uart.getc() == 0x7E) {
         
        for (int i = 0; i < 2;) {
            if(uart.readable()) {
                temp[i] = uart.getc();
                i++;
            }
        }
        uint16_t frameSize = getFrameSize(temp[0], temp[1]);
         
        for(int j = 0; j < frameSize + 1;) {
            if (uart.readable()) {
                buffer[j] = uart.getc();
                j++;
            }
        }
        
        pc.printf("Frame: %s\n", buffer);
    }
}*/

void sendFrame(uint8_t bufferSize, uint8_t* buffer) {
    if (uart.writeable()) {
        uart.printf("%s", buffer);
    }  
    /*for (int i = 0; i < bufferSize;) {
        if (uart.writeable()) {
            uart.putc(buffer[i]);
            i++;
        }   
    }*/
}

void setFrame() {
    const uint8_t bufferSize = 22;
    uint8_t buffer[bufferSize] = { 0 };
    
    buffer[0] = 0x7E; // Start Delimiter
    buffer[1] = 0x00; // Length
    buffer[2] = 0x12; // Length
    buffer[3] = 0x10; // Frame Type
    buffer[4] = 0x01; // Frame ID
    buffer[5] = 0x00; // 64 bit adress
    buffer[6] = 0x00; // 64 bit adress
    buffer[7] = 0x00; // 64 bit adress
    buffer[8] = 0x00; // 64 bit adress
    buffer[9] = 0x00; // 64 bit adress
    buffer[10] = 0x00; // 64 bit adress
    buffer[11] = 0x00; // 64 bit adress
    buffer[12] = 0x00; // 64 bit adress
    buffer[13] = 0xFF; // 16 bit adress
    buffer[14] = 0xFE; // 16 bit adress
    buffer[15] = 0x00; // Broadcast radius
    buffer[16] = 0x00; // Options
    buffer[17] = 0x02; // RF Data...
    buffer[18] = 0x02; // RF Data...
    buffer[19] = 0x02; // RF Data...
    buffer[20] = 0x02; // RF Data...
    buffer[21] = calculateChecksum(bufferSize, buffer); // Checksum
    
    pc.printf("Frame: %s\n", buffer);
    sendFrame(bufferSize, buffer);
}

/* void readConfigFile() {
    LocalFileSystem local("local");
    ConfigFile cfg;
    char *serverAddr = "serverAddr";
    char *tempPortNo = "portNb";
    
    if (!cfg.read("/local/input.cfg")) {
        error("Erreur dans la lecture du fichier\n");
    } else {
        cfg.getValue(serverAddr, &serverAddrvalue[0], sizeof(serverAddrvalue));
        cfg.getValue(tempPortNo, &portNbValue[0], sizeof(portNbValue));
        portNo = (uint16_t)strtol(portNbValue, NULL, 10);
    }
}*/

int main() {
    reset = 0;
    wait(0.4);
    reset = 1;
    wait_ms(1);
    
    setFrame();
}