/** 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; }