2 * Copyright © 2009 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
20 __pdata uint16_t ao_cmd_lex_i;
21 __pdata uint32_t ao_cmd_lex_u32;
22 __pdata char ao_cmd_lex_c;
23 __pdata enum ao_cmd_status ao_cmd_status;
27 static __xdata char cmd_line[CMD_LEN];
28 static __pdata uint8_t cmd_len;
29 static __pdata uint8_t cmd_i;
32 put_string(__code char *s)
49 /* backspace/delete */
50 if (c == '\010' || c == '\177') {
53 put_string("\010 \010");
61 while (cmd_len != 0) {
63 put_string("\010 \010");
79 if (cmd_len >= CMD_LEN - 2) {
84 cmd_line[cmd_len++] = c;
88 cmd_line[cmd_len++] = '\n';
89 cmd_line[cmd_len++] = '\0';
98 ao_cmd_lex_c = cmd_line[cmd_i++];
107 putchar(v + ('a' - 10));
111 ao_cmd_put16(uint16_t v)
118 ao_cmd_put8(uint8_t v)
120 putnibble((v >> 4) & 0xf);
125 ao_cmd_is_white(void)
127 return ao_cmd_lex_c == ' ' || ao_cmd_lex_c == '\t';
133 while (ao_cmd_is_white())
138 ao_cmd_hexchar(char c)
140 if ('0' <= c && c <= '9')
142 if ('a' <= c && c <= 'f')
143 return (c - 'a' + 10);
144 if ('A' <= c && c <= 'F')
145 return (c - 'A' + 10);
157 for (i = 0; i < 2; i++) {
158 n = ao_cmd_hexchar(ao_cmd_lex_c);
160 ao_cmd_status = ao_cmd_syntax_error;
163 ao_cmd_lex_i = (ao_cmd_lex_i << 4) | n;
171 __pdata uint8_t r = ao_cmd_lex_error;
177 n = ao_cmd_hexchar(ao_cmd_lex_c);
180 ao_cmd_lex_i = (ao_cmd_lex_i << 4) | n;
184 if (r != ao_cmd_success)
191 __pdata uint8_t r = ao_cmd_lex_error;
196 if ('0' <= ao_cmd_lex_c && ao_cmd_lex_c <= '9')
197 ao_cmd_lex_u32 = (ao_cmd_lex_u32 * 10) + (ao_cmd_lex_c - '0');
203 if (r != ao_cmd_success)
205 ao_cmd_lex_i = (uint16_t) ao_cmd_lex_u32;
209 ao_match_word(__code char *word)
212 if (ao_cmd_lex_c != *word) {
213 ao_cmd_status = ao_cmd_syntax_error;
226 if (ao_cmd_status == ao_cmd_success)
227 ao_stdios[ao_cur_stdio].echo = ao_cmd_lex_i != 0;
234 if (!ao_match_word("eboot"))
236 /* Delay waiting for the packet master to be turned off
237 * so that we don't end up back in idle mode because we
238 * received a packet after boot.
241 ao_delay(AO_SEC_TO_TICKS(1));
243 ao_panic(AO_PANIC_REBOOT);
249 printf("manufacturer %s\n", ao_manufacturer);
250 printf("product %s\n", ao_product);
251 printf("serial-number %u\n", ao_serial_number);
253 printf("log-format %u\n", ao_log_format);
255 printf("software-version %s\n", ao_version);
260 static __code struct ao_cmds *__xdata (ao_cmds[NUM_CMDS]);
261 static __pdata uint8_t ao_ncmds;
266 __pdata uint8_t cmds;
268 __code struct ao_cmds * __pdata cs;
270 for (cmds = 0; cmds < ao_ncmds; cmds++) {
272 for (cmd = 0; cs[cmd].func; cmd++)
275 cs[cmd].help+1+strlen(cs[cmd].help));
282 switch(ao_cmd_status) {
283 case ao_cmd_lex_error:
284 case ao_cmd_syntax_error:
285 puts("Syntax error");
293 ao_cmd_register(__code struct ao_cmds *cmds)
295 if (ao_ncmds >= NUM_CMDS)
296 ao_panic(AO_PANIC_CMD);
297 ao_cmds[ao_ncmds++] = cmds;
305 __code struct ao_cmds * __xdata cs;
306 void (*__xdata func)(void);
314 if (c == '\r' || c == '\n')
316 func = (void (*)(void)) NULL;
317 for (cmds = 0; cmds < ao_ncmds; cmds++) {
319 for (cmd = 0; cs[cmd].func; cmd++)
320 if (cs[cmd].help[0] == c) {
330 ao_cmd_status = ao_cmd_syntax_error;
335 __xdata struct ao_task ao_cmd_task;
337 __code struct ao_cmds ao_base_cmds[] = {
339 { ao_task_info, "T\0Tasks" },
340 { echo, "E <0 off, 1 on>\0Echo" },
341 { ao_reboot, "r eboot\0Reboot" },
342 { version, "v\0Version" },
349 ao_cmd_register(&ao_base_cmds[0]);
350 ao_add_task(&ao_cmd_task, ao_cmd, "cmd");