IBASE MRS-801-RE - Manual (Page 62)

54 MRS-801-RE User Manual
i2cbus = lookup_i2c_bus(argv[flags+1]);
if (i2cbus < 0)
help();
address = parse_i2c_address(argv[flags+2]);
if (address < 0)
help();
if (argc > flags + 3) {
size = I2C_SMBUS_BYTE_DATA;
daddress = strtol(argv[flags+3], &end, 0);
if (*end || daddress < 0 || daddress > 0xff) {
fprintf(stderr, "Error: Data address invalid!\n");
help();
}
} else {
size = I2C_SMBUS_BYTE;
daddress = -1;
}
if (argc > flags + 4) {
switch (argv[flags+4][0]) {
case 'b': size = I2C_SMBUS_BYTE_DATA; break;
case 'w': size = I2C_SMBUS_WORD_DATA; break;
case 'c': size = I2C_SMBUS_BYTE; break;
default:
fprintf(stderr, "Error: Invalid mode!\n");
help();
}
pec = argv[flags+4][1] == 'p';
}
file = open_i2c_dev(i2cbus, filename, sizeof(filename), 0);
if (file < 0
|| check_funcs(file, size, daddress, pec)
|| set_slave_addr(file, address, force))
exit(1);