| 31,6 → 31,9 |
|---|
| #include <ipc/ipc.h> |
| #include <libc.h> |
| #include <errno.h> |
| #include <string.h> |
| #include <libc.h> |
| #include <stdio.h> |
| |
| #include "sysio.h" |
| |
| 37,11 → 40,29 |
|---|
| /* Allow only 1 connection */ |
| static int client_connected = 0; |
| |
| #define CLRSCR "\033[2J" |
| |
| static void sysput(char c) |
| { |
| __SYSCALL3(SYS_IO, 1, (sysarg_t)&c, (sysarg_t) 1); |
| } |
| |
| static void sysputs(char *s) |
| { |
| __SYSCALL3(SYS_IO, 1, (sysarg_t)s, strlen(s)); |
| } |
| |
| static void curs_goto(unsigned int row, unsigned int col) |
| { |
| char control[20]; |
| |
| if (row > 100 || col > 100) |
| return; |
| |
| snprintf(control, 20, "\033[%d;%df",row, col); |
| sysputs(control); |
| } |
| |
| static void sysio_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
| { |
| int retval; |
| 48,6 → 69,9 |
|---|
| ipc_callid_t callid; |
| ipc_call_t call; |
| char c; |
| int lastcol=0; |
| int lastrow=0; |
| int newcol,newrow; |
| |
| if (client_connected) { |
| ipc_answer_fast(iid, ELIMIT, 0,0); |
| 64,12 → 88,27 |
|---|
| return; /* Exit thread */ |
| case FB_PUTCHAR: |
| c = IPC_GET_ARG1(call); |
| newrow = IPC_GET_ARG2(call); |
| newcol = IPC_GET_ARG3(call); |
| if (lastcol != newcol || lastrow!=newrow) |
| curs_goto(newrow, newcol); |
| lastcol = newcol + 1; |
| lastrow = newrow; |
| sysput(c); |
| retval = 0; |
| break; |
| case FB_CURSOR_GOTO: |
| newrow = IPC_GET_ARG1(call); |
| newcol = IPC_GET_ARG2(call); |
| curs_goto(newrow, newcol); |
| break; |
| case FB_GET_CSIZE: |
| ipc_answer_fast(callid, 0, 25, 80); |
| continue; |
| case FB_CLEAR: |
| sysputs(CLRSCR); |
| retval = 0; |
| break; |
| default: |
| retval = ENOENT; |
| } |
| 80,4 → 119,6 |
|---|
| void sysio_init(void) |
| { |
| async_set_client_connection(sysio_client_connection); |
| sysputs(CLRSCR); |
| curs_goto(0,0); |
| } |