+++ /dev/null
-/*
- * Copyright © 2009 Keith Packard <keithp@keithp.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-
-#include "ao.h"
-
-__xdata uint16_t ao_cmd_lex_i;
-__xdata char ao_cmd_lex_c;
-__xdata enum ao_cmd_status ao_cmd_status;
-static __xdata uint8_t lex_echo;
-
-#define CMD_LEN 32
-
-static __xdata char cmd_line[CMD_LEN];
-static __xdata uint8_t cmd_len;
-static __xdata uint8_t cmd_i;
-
-static void
-put_string(char *s)
-{
- __xdata char c;
- while (c = *s++)
- putchar(c);
-}
-
-static void
-readline(void)
-{
- __xdata char c;
- if (lex_echo)
- put_string("> ");
- cmd_len = 0;
- for (;;) {
- flush();
- c = getchar();
- /* backspace/delete */
- if (c == '\010' || c == '\177') {
- if (cmd_len != 0) {
- if (lex_echo)
- put_string("\010 \010");
- --cmd_len;
- }
- continue;
- }
-
- /* ^U */
- if (c == '\025') {
- while (cmd_len != 0) {
- if (lex_echo)
- put_string("\010 \010");
- --cmd_len;
- }
- continue;
- }
-
- /* map CR to NL */
- if (c == '\r')
- c = '\n';
-
- if (c == '\n') {
- if (lex_echo)
- putchar('\n');
- break;
- }
-
- if (cmd_len >= CMD_LEN - 2) {
- if (lex_echo)
- putchar('\007');
- continue;
- }
- cmd_line[cmd_len++] = c;
- if (lex_echo)
- putchar(c);
- }
- cmd_line[cmd_len++] = '\n';
- cmd_line[cmd_len++] = '\0';
- cmd_i = 0;
-}
-
-void
-ao_cmd_lex(void)
-{
- ao_cmd_lex_c = '\n';
- if (cmd_i < cmd_len)
- ao_cmd_lex_c = cmd_line[cmd_i++];
-}
-
-static void
-putnibble(uint8_t v)
-{
- if (v < 10)
- putchar(v + '0');
- else
- putchar(v + ('a' - 10));
-}
-
-void
-ao_cmd_put16(uint16_t v)
-{
- int8_t i;
- for (i = 3; i >= 0; i--)
- putnibble((v >> (i << 2)) & 0xf);
-}
-
-void
-ao_cmd_put8(uint8_t v)
-{
- putnibble((v >> 4) & 0xf);
- putnibble(v & 0xf);
-}
-
-void
-ao_cmd_white(void)
-{
- while (ao_cmd_lex_c == ' ' || ao_cmd_lex_c == '\t')
- ao_cmd_lex();
-}
-
-void
-ao_cmd_hex(void)
-{
- __xdata uint8_t r = ao_cmd_lex_error;
-
- ao_cmd_lex_i = 0;
- ao_cmd_white();
- for(;;) {
- if ('0' <= ao_cmd_lex_c && ao_cmd_lex_c <= '9')
- ao_cmd_lex_i = (ao_cmd_lex_i << 4) | (ao_cmd_lex_c - '0');
- else if ('a' <= ao_cmd_lex_c && ao_cmd_lex_c <= 'f')
- ao_cmd_lex_i = (ao_cmd_lex_i << 4) | (ao_cmd_lex_c - 'a' + 10);
- else if ('A' <= ao_cmd_lex_c && ao_cmd_lex_c <= 'F')
- ao_cmd_lex_i = (ao_cmd_lex_i << 4) | (ao_cmd_lex_c - 'A' + 10);
- else
- break;
- r = ao_cmd_success;
- ao_cmd_lex();
- }
- if (r != ao_cmd_success)
- ao_cmd_status = r;
-}
-
-void
-ao_cmd_decimal(void)
-{
- __xdata uint8_t r = ao_cmd_lex_error;
-
- ao_cmd_lex_i = 0;
- ao_cmd_white();
- for(;;) {
- if ('0' <= ao_cmd_lex_c && ao_cmd_lex_c <= '9')
- ao_cmd_lex_i = (ao_cmd_lex_i * 10) + (ao_cmd_lex_c - '0');
- else
- break;
- r = ao_cmd_success;
- ao_cmd_lex();
- }
- if (r != ao_cmd_success)
- ao_cmd_status = r;
-}
-
-static void
-eol(void)
-{
- while (ao_cmd_lex_c != '\n')
- ao_cmd_lex();
-}
-
-static void
-dump(void)
-{
- __xdata uint16_t c;
- __xdata uint8_t * __xdata start, * __xdata end;
-
- ao_cmd_hex();
- start = (uint8_t __xdata *) ao_cmd_lex_i;
- ao_cmd_hex();
- end = (uint8_t __xdata *) ao_cmd_lex_i;
- if (ao_cmd_status != ao_cmd_success)
- return;
- c = 0;
- while (start <= end) {
- if ((c & 7) == 0) {
- if (c)
- putchar('\n');
- ao_cmd_put16((uint16_t) start);
- }
- putchar(' ');
- ao_cmd_put8(*start);
- ++c;
- start++;
- }
- putchar('\n');
-}
-
-static void
-echo(void)
-{
- ao_cmd_hex();
- lex_echo = ao_cmd_lex_i != 0;
-}
-
-static void
-version(void)
-{
- printf("manufacturer %s\n", ao_manufacturer);
- printf("product %s\n", ao_product);
- printf("serial-number %u\n", ao_serial_number);
- printf("software-version %s\n", ao_version);
-}
-
-static const char help_txt[] = "All numbers are in hex";
-
-#define NUM_CMDS 11
-
-static __code struct ao_cmds *__xdata (ao_cmds[NUM_CMDS]);
-static __xdata uint8_t ao_ncmds;
-
-static void
-help(void)
-{
- __xdata uint8_t cmds;
- __xdata uint8_t cmd;
- __code struct ao_cmds * __xdata cs;
- puts(help_txt);
- for (cmds = 0; cmds < ao_ncmds; cmds++) {
- cs = ao_cmds[cmds];
- for (cmd = 0; cs[cmd].cmd != '\0'; cmd++)
- puts(cs[cmd].help);
- }
-}
-
-static void
-report(void)
-{
- switch(ao_cmd_status) {
- case ao_cmd_lex_error:
- case ao_cmd_syntax_error:
- puts("Syntax error");
- ao_cmd_status = 0;
- break;
- }
-}
-
-void
-ao_cmd_register(__code struct ao_cmds *cmds)
-{
- if (ao_ncmds >= NUM_CMDS)
- ao_panic(AO_PANIC_CMD);
- ao_cmds[ao_ncmds++] = cmds;
-}
-
-void
-ao_cmd(void *parameters)
-{
- __xdata char c;
- __xdata uint8_t cmd, cmds;
- __code struct ao_cmds * __xdata cs;
- void (*__xdata func)(void);
- (void) parameters;
-
- lex_echo = 1;
- for (;;) {
- readline();
- ao_cmd_lex();
- ao_cmd_white();
- c = ao_cmd_lex_c;
- ao_cmd_lex();
- if (c == '\r' || c == '\n')
- continue;
- func = (void (*)(void)) NULL;
- for (cmds = 0; cmds < ao_ncmds; cmds++) {
- cs = ao_cmds[cmds];
- for (cmd = 0; cs[cmd].cmd != '\0'; cmd++)
- if (cs[cmd].cmd == c) {
- func = cs[cmd].func;
- break;
- }
- if (func)
- break;
- }
- if (func)
- (*func)();
- else
- ao_cmd_status = ao_cmd_syntax_error;
- report();
- }
-}
-
-__xdata struct ao_task ao_cmd_task;
-
-__code struct ao_cmds ao_base_cmds[] = {
- { '?', help, "? Print this message" },
- { 'T', ao_task_info, "T Show task states" },
- { 'E', echo, "E <0 off, 1 on> Set command echo mode" },
- { 'd', dump, "d <start> <end> Dump memory" },
- { 'v', version, "v Show version" },
- { 0, help, NULL },
-};
-
-void
-ao_cmd_init(void)
-{
- ao_cmd_register(&ao_base_cmds[0]);
- ao_add_task(&ao_cmd_task, ao_cmd, "cmd");
-}
projects / fw / altos / blobdiff