When the user wants to get the inserted money back, a command (0x33) has to be issued via the SSP. Implement this command. Also, implement checking whether it is actually possible to return the cash (using the same command with a differing parameter), in order to display this information on the device beforehand.
When the user wants to get the inserted money back, a command (0x33) has to be issued via the SSP. Implement this command. Also, implement checking whether it is actually possible to return the cash (using the same command with a differing parameter), in order to display this information on the device beforehand.