IBASE MRS-801-RE - Manual (Page 70)

62 MRS-801-RE User Manual
fprintf(stderr, "Error: Invalid mode '%s'!\n", argv[argc-1]);
help();
}
switch (argv[argc-1][0]) {
case 'b': size = I2C_SMBUS_BYTE_DATA; break;
case 'w': size = I2C_SMBUS_WORD_DATA; break;
case 's': size = I2C_SMBUS_BLOCK_DATA; break;
case 'i': size = I2C_SMBUS_I2C_BLOCK_DATA; break;
default:
fprintf(stderr, "Error: Invalid mode '%s'!\n", argv[argc-1]);
help();
}
pec = argv[argc-1][1] == 'p';
if (size == I2C_SMBUS_BLOCK_DATA || size == I2C_SMBUS_I2C_BLOCK_DATA) {
if (pec && size == I2C_SMBUS_I2C_BLOCK_DATA) {
fprintf(stderr, "Error: PEC not supported for I2C block writes!\n");
help();
}
if (maskp) {
fprintf(stderr, "Error: Mask not supported for block writes!\n");
help();
}
if (argc > (int)sizeof(block) + flags + 5) {
fprintf(stderr, "Error: Too many arguments!\n");
help();
}
} else if (argc != flags + 6) {
fprintf(stderr, "Error: Too many arguments!\n");
help();
}
}
len = 0; /* Must always initialize len since it is passed to confirm() */
/* read values from command line */
switch (size) {
case I2C_SMBUS_BYTE_DATA:
case I2C_SMBUS_WORD_DATA: