/** Handle data requests.
*
* @param fun ddf_fun_t function.
* @param id callid
* @param call IPC request.
*
*/
void default_handler(ddf_fun_t *fun, ipc_callid_t id, ipc_call_t *call)
{
const sysarg_t method = IPC_GET_IMETHOD(*call);
const size_t size = IPC_GET_ARG1(*call);
switch (method) {
case IPC_CHAR_READ:
if (size <= 4 * sizeof(sysarg_t)) {
sysarg_t message[4] = {};
i8042_read(fun, (char *) message, size);
async_answer_4(id, size, message[0], message[1],
message[2], message[3]);
} else
async_answer_0(id, ELIMIT);
break;
case IPC_CHAR_WRITE:
if (size <= 3 * sizeof(sysarg_t)) {
const sysarg_t message[3] = {
IPC_GET_ARG2(*call),
IPC_GET_ARG3(*call),
IPC_GET_ARG4(*call)
};
i8042_write(fun, (char *) message, size);
async_answer_0(id, size);
} else
async_answer_0(id, ELIMIT);
default:
async_answer_0(id, EINVAL);
}
}
void ps2mouse_reset()
{
stream_data = 3;
mouse_btns = 0;
i8042_write(1, 0xFF);
}
void ps2mouse_enable_stream()
{
i8042_write(1, 0xF4);
mouse_ptr = 0;
stream_data = 2;
}
