+++ /dev/null
-/*
- * Copyright © 2011 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.
- */
-
-/*
- * ao_log_single.c
- *
- * Stores a sequence of fixed-size (32 byte) chunks
- * without splitting memory up into separate flights
- */
-
-#include "ao.h"
-#include "ao_product.h"
-
-static __xdata struct ao_task ao_log_single_task;
-
-__xdata uint8_t ao_log_running;
-__xdata uint8_t ao_log_mutex;
-__pdata uint32_t ao_log_start_pos;
-__pdata uint32_t ao_log_end_pos;
-__pdata uint32_t ao_log_current_pos;
-
-__xdata union ao_log_single ao_log_single_write_data;
-__xdata union ao_log_single ao_log_single_read_data;
-
-uint8_t
-ao_log_single_write(void)
-{
- uint8_t wrote = 0;
-
- ao_mutex_get(&ao_log_mutex); {
- if (ao_log_current_pos >= ao_log_end_pos && ao_log_running)
- ao_log_single_stop();
- if (ao_log_running) {
- wrote = 1;
- ao_storage_write(ao_log_current_pos,
- &ao_log_single_write_data,
- AO_LOG_SINGLE_SIZE);
- ao_log_current_pos += AO_LOG_SINGLE_SIZE;
- }
- } ao_mutex_put(&ao_log_mutex);
- return wrote;
-}
-
-static uint8_t
-ao_log_single_valid(void)
-{
- __xdata uint8_t *d = ao_log_single_read_data.bytes;
- uint8_t i;
- for (i = 0; i < AO_LOG_SINGLE_SIZE; i++)
- if (*d++ != 0xff)
- return 1;
- return 0;
-}
-
-uint8_t
-ao_log_single_read(uint32_t pos)
-{
- if (!ao_storage_read(pos, &ao_log_single_read_data, AO_LOG_SINGLE_SIZE))
- return 0;
- return ao_log_single_valid();
-}
-
-void
-ao_log_single_start(void)
-{
- if (!ao_log_running) {
- ao_log_running = 1;
- ao_wakeup(&ao_log_running);
- }
-}
-
-void
-ao_log_single_stop(void)
-{
- if (ao_log_running) {
- ao_log_running = 0;
- }
-}
-
-void
-ao_log_single_restart(void)
-{
- /* Find end of data */
- ao_log_end_pos = ao_storage_config;
- for (ao_log_current_pos = 0;
- ao_log_current_pos < ao_storage_config;
- ao_log_current_pos += ao_storage_block)
- {
- if (!ao_log_single_read(ao_log_current_pos))
- break;
- }
- if (ao_log_current_pos > 0) {
- ao_log_current_pos -= ao_storage_block;
- for (; ao_log_current_pos < ao_storage_config;
- ao_log_current_pos += sizeof (struct ao_log_telescience))
- {
- if (!ao_log_single_read(ao_log_current_pos))
- break;
- }
- }
-}
-
-void
-ao_log_single_set(void)
-{
- printf("Logging currently %s\n", ao_log_running ? "on" : "off");
- ao_cmd_hex();
- if (ao_cmd_status == ao_cmd_success) {
- if (ao_cmd_lex_i) {
- printf("Logging from %ld to %ld\n", ao_log_current_pos, ao_log_end_pos);
- ao_log_single_start();
- } else {
- printf ("Log stopped at %ld\n", ao_log_current_pos);
- ao_log_single_stop();
- }
- }
- ao_cmd_status = ao_cmd_success;
-}
-
-void
-ao_log_single_delete(void)
-{
- uint32_t pos;
-
- ao_cmd_hex();
- if (ao_cmd_status != ao_cmd_success)
- return;
- if (ao_cmd_lex_i != 1) {
- ao_cmd_status = ao_cmd_syntax_error;
- printf("No such flight: %d\n", ao_cmd_lex_i);
- return;
- }
- ao_log_single_stop();
- for (pos = 0; pos < ao_storage_config; pos += ao_storage_block) {
- if (!ao_log_single_read(pos))
- break;
- ao_storage_erase(pos);
- }
- ao_log_current_pos = ao_log_start_pos = 0;
- if (pos == 0)
- printf("No such flight: %d\n", ao_cmd_lex_i);
- else
- printf ("Erased\n");
-}
-
-uint8_t
-ao_log_full(void)
-{
- return ao_log_current_pos >= ao_log_end_pos;
-}
-
-uint8_t
-ao_log_present(void)
-{
- return ao_log_single_read(0);
-}
-
-static void
-ao_log_single_query(void)
-{
- printf("Logging enabled: %d\n", ao_log_running);
- printf("Log start: %ld\n", ao_log_start_pos);
- printf("Log cur: %ld\n", ao_log_current_pos);
- printf("Log end: %ld\n", ao_log_end_pos);
- ao_log_single_extra_query();
-}
-
-const struct ao_cmds ao_log_single_cmds[] = {
- { ao_log_single_set, "L <0 off, 1 on>\0Set logging" },
- { ao_log_single_list, "l\0List stored logs" },
- { ao_log_single_delete, "d 1\0Delete all stored logs" },
- { ao_log_single_query, "q\0Query log status" },
- { 0, NULL },
-};
-
-void
-ao_log_single_init(void)
-{
- ao_log_running = 0;
-
- ao_cmd_register(&ao_log_single_cmds[0]);
-
- ao_add_task(&ao_log_single_task, ao_log_single, "log");
-}
projects / fw / altos / blobdiff