def genstrings(outputChanCount, chanString, portString, structureString, adc_dac):
    
    for i in range(1,outputChanCount):

        print "#if (NUM_USB_CHAN_{c} > {i}-1) \n\
    .{s}ChanStr_{i}          = \"\"\n\
    #if ({i} < I2S_CHANS_{adcdac}+1) \n\
        \"Analogue {i}\" \n\
    #endif \n\
    #if (({i} < SPDIF_{p}_INDEX+2+1) && ({i} > SPDIF_{p}_INDEX)) && defined(SPDIF_{p}) \n\
        #if ({i} < I2S_CHANS_{adcdac}+1) \n\
        \"/\" \n\
        #endif \n\
        #if({i} - SPDIF_TX_INDEX == 1) \n\
            \"SPDIF 1\"\n\
        #elif({i} - SPDIF_TX_INDEX == 2) \n\
            \"SPDIF 2\"\n\
        #endif\n\
    #endif\n\
    #if (({i} < ADAT_{p}_INDEX+8+1) && ({i} > ADAT_{p}_INDEX)) && defined(ADAT_{p}) \n\
        #if (({i} < SPDIF_{p}_INDEX+2+1) && ({i} > SPDIF_{p}_INDEX)) && defined(SPDIF_{p}) || ({i} < I2S_CHANS_{adcdac}+1) \n\
        \"/\" \n\
        #endif \n\
        #if({i} - ADAT_TX_INDEX == 1) \n\
            \"ADAT 1\"\n\
        #elif({i} - ADAT_TX_INDEX == 2) \n\
            \"ADAT 2\"\n\
        #elif({i} - ADAT_TX_INDEX == 3) \n\
            \"ADAT 3\"\n\
        #elif({i} - ADAT_TX_INDEX == 4) \n\
            \"ADAT 4\"\n\
        #elif({i} - ADAT_TX_INDEX == 5) \n\
            \"ADAT 5\"\n\
        #elif({i} - ADAT_TX_INDEX == 6) \n\
            \"ADAT 6\"\n\
        #elif({i} - ADAT_TX_INDEX == 7) \n\
            \"ADAT 7\"\n\
        #elif({i} - ADAT_TX_INDEX == 8) \n\
            \"ADAT 8\"\n\
        #endif\n \
    #endif\n\
        , \n#endif \n".format(i=i, c=chanString, p=portString, s=structureString, adcdac=adc_dac);
    return;

print "/* AUTOGENERATED using chanstringgen.py */ \n"
print "/* Not very nice looking but the standard preprocessor is not very powerful\n and we save some memory over doing this all at runtime */"

print "/* Output Strings */\n\n"

genstrings(32, "OUT", "TX", "output", "DAC");

print "/* Input Strings */\n\n"

genstrings(32, "IN", "RX", "input", "ADC");