ft8_lib/test.cpp

#include <cstdlib>
#include <cstring>
#include <cstdio>
#include <cmath>

#include "text.h"
#include "pack.h"
#include "pack_77.h"
#include "encode.h"
#include "encode_91.h"
#include "unpack.h"

#include "debug.h"

#define LOG_LEVEL   LOG_INFO


void convert_8bit_to_6bit(uint8_t *dst, const uint8_t *src, int nBits) {
    // Zero-fill the destination array as we will only be setting bits later
    for (int j = 0; j < (nBits + 5) / 6; ++j) {
        dst[j] = 0;
    }

    // Set the relevant bits
    uint8_t mask_src = (1 << 7);
    uint8_t mask_dst = (1 << 5);
    for (int i = 0, j = 0; nBits > 0; --nBits) {
        if (src[i] & mask_src) {
            dst[j] |= mask_dst;
        }
        mask_src >>= 1;
        if (mask_src == 0) {
            mask_src = (1 << 7);
            ++i;
        }
        mask_dst >>= 1;
        if (mask_dst == 0) {
            mask_dst = (1 << 5);
            ++j;
        }
    }
}


bool test1() {
    //const char *msg = "CQ DL7ACA JO40"; // 62, 32, 32, 49, 37, 27, 59, 2, 30, 19, 49, 16
    const char *msg = "VA3UG   F1HMR 73"; // 52, 54, 60, 12, 55, 54, 7, 19, 2, 23, 59, 16
    //const char *msg = "RA3Y VE3NLS 73";   // 46, 6, 32, 22, 55, 20, 11, 32, 53, 23, 59, 16
    uint8_t a72[9];

    int rc = packmsg(msg, a72);
    if (rc < 0) return false;
  
    LOG(LOG_INFO, "8-bit packed: ");
    for (int i = 0; i < 9; ++i) {
        LOG(LOG_INFO, "%02x ", a72[i]);
    }
    LOG(LOG_INFO, "\n");

    uint8_t a72_6bit[12];
    convert_8bit_to_6bit(a72_6bit, a72, 72);
    LOG(LOG_INFO, "6-bit packed: ");
    for (int i = 0; i < 12; ++i) {
        LOG(LOG_INFO, "%d ", a72_6bit[i]);
    }
    LOG(LOG_INFO, "\n");

    char msg_out_raw[14];
    unpack(a72, msg_out_raw);

    char msg_out[14];
    fmtmsg(msg_out, msg_out_raw);
    LOG(LOG_INFO, "msg_out = [%s]\n", msg_out);
    return true;
}


void test2() {
    uint8_t test_in[11] = { 0xF1, 0x02, 0x03, 0x04, 0x05, 0x60, 0x70, 0x80, 0x90, 0xA0, 0xFF };
    uint8_t test_out[22];

    encode174(test_in, test_out);

    for (int j = 0; j < 22; ++j) {
        LOG(LOG_INFO, "%02x ", test_out[j]);
    }
    LOG(LOG_INFO, "\n");
}


void test3() {
    uint8_t test_in2[10] = { 0x11, 0x00, 0x00, 0x00, 0x00, 0x0E, 0x10, 0x04, 0x01, 0x00 };
    uint16_t crc1 = ft8_crc(test_in2, 76);  // Calculate CRC of 76 bits only
    LOG(LOG_INFO, "CRC: %04x\n", crc1);            // should be 0x0708
}


int main() {
    test1();

    return 0;
}