*
* 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.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
__pdata uint32_t ao_log_start_pos;
__xdata uint8_t ao_log_running;
__pdata enum ao_flight_state ao_log_state;
-__xdata uint16_t ao_flight_number;
+__xdata int16_t ao_flight_number;
void
ao_log_flush(void)
ao_config_put();
}
+#ifndef AO_LOG_UNCOMMON
+/*
+ * Common logging functions which depend on the type of the log data
+ * structure.
+ */
+
+__xdata ao_log_type log;
+
+static uint8_t
+ao_log_csum(__xdata uint8_t *b) __reentrant
+{
+ uint8_t sum = 0x5a;
+ uint8_t i;
+
+ for (i = 0; i < sizeof (ao_log_type); i++)
+ sum += *b++;
+ return -sum;
+}
+
+uint8_t
+ao_log_write(__xdata ao_log_type *log) __reentrant
+{
+ uint8_t wrote = 0;
+ /* set checksum */
+ log->csum = 0;
+ log->csum = ao_log_csum((__xdata uint8_t *) log);
+ ao_mutex_get(&ao_log_mutex); {
+ if (ao_log_current_pos >= ao_log_end_pos && ao_log_running)
+ ao_log_stop();
+ if (ao_log_running) {
+ wrote = 1;
+ ao_storage_write(ao_log_current_pos,
+ log,
+ sizeof (ao_log_type));
+ ao_log_current_pos += sizeof (ao_log_type);
+ }
+ } ao_mutex_put(&ao_log_mutex);
+ return wrote;
+}
+
+uint8_t
+ao_log_check_data(void)
+{
+ if (ao_log_csum((uint8_t *) &log) != 0)
+ return 0;
+ return 1;
+}
+
+uint8_t
+ao_log_check_clear(void)
+{
+ uint8_t *b = (uint8_t *) &log;
+ uint8_t i;
+
+ for (i = 0; i < sizeof (ao_log_type); i++) {
+ if (*b++ != 0xff)
+ return 0;
+ }
+ return 1;
+}
+
+int16_t
+ao_log_flight(uint8_t slot)
+{
+ if (!ao_storage_read(ao_log_pos(slot),
+ &log,
+ sizeof (ao_log_type)))
+ return -(int16_t) (slot + 1);
+
+ if (ao_log_check_clear())
+ return 0;
+
+ if (!ao_log_check_data() || log.type != AO_LOG_FLIGHT)
+ return -(int16_t) (slot + 1);
+
+ return log.u.flight.flight;
+}
+#endif
+
static uint8_t
ao_log_slots()
{
return ((slot) * ao_config.flight_log_max);
}
-static uint16_t
+static int16_t
ao_log_max_flight(void)
{
uint8_t log_slot;
uint8_t log_slots;
- uint16_t log_flight;
- uint16_t max_flight = 0;
+ int16_t log_flight;
+ int16_t max_flight = 0;
/* Scan the log space looking for the biggest flight number */
log_slots = ao_log_slots();
for (log_slot = 0; log_slot < log_slots; log_slot++) {
log_flight = ao_log_flight(log_slot);
- if (!log_flight)
+ if (log_flight <= 0)
continue;
- if (max_flight == 0 || (int16_t) (log_flight - max_flight) > 0)
+ if (max_flight == 0 || log_flight > max_flight)
max_flight = log_flight;
}
return max_flight;
if (ao_flight_number) {
uint32_t full = ao_log_current_pos;
- uint32_t empty = ao_log_end_pos - ao_log_size;
+ uint32_t empty = ao_log_end_pos - AO_LOG_SIZE;
/* If there's already a flight started, then find the
* end of it
*/
for (;;) {
ao_log_current_pos = (full + empty) >> 1;
- ao_log_current_pos -= ao_log_current_pos % ao_log_size;
+ ao_log_current_pos -= ao_log_current_pos % AO_LOG_SIZE;
if (ao_log_current_pos == full) {
- if (ao_log_check(ao_log_current_pos))
- ao_log_current_pos += ao_log_size;
+ if (ao_log_check(ao_log_current_pos) != AO_LOG_EMPTY)
+ ao_log_current_pos += AO_LOG_SIZE;
break;
}
if (ao_log_current_pos == empty)
break;
- if (ao_log_check(ao_log_current_pos)) {
+ if (ao_log_check(ao_log_current_pos) != AO_LOG_EMPTY) {
full = ao_log_current_pos;
} else {
empty = ao_log_current_pos;
ao_wakeup(&ao_flight_number);
return ret;
#else
-
- if (ao_flight_number)
- if (++ao_flight_number == 0)
+ if (ao_flight_number) {
+ ++ao_flight_number;
+ if (ao_flight_number <= 0)
ao_flight_number = 1;
+ }
ao_log_find_max_erase_flight();
{
uint8_t slot;
uint8_t slots;
- uint16_t flight;
+ int16_t flight;
slots = ao_log_slots();
for (slot = 0; slot < slots; slot++)
{
uint8_t slot;
uint8_t slots;
+ int16_t cmd_flight = 1;
+ ao_cmd_white();
+ if (ao_cmd_lex_c == '-') {
+ cmd_flight = -1;
+ ao_cmd_lex();
+ }
ao_cmd_decimal();
if (ao_cmd_status != ao_cmd_success)
return;
+ cmd_flight *= (int16_t) ao_cmd_lex_i;
slots = ao_log_slots();
/* Look for the flight log matching the requested flight */
- if (ao_cmd_lex_i) {
+ if (cmd_flight) {
for (slot = 0; slot < slots; slot++) {
- if (ao_log_flight(slot) == ao_cmd_lex_i) {
+ if (ao_log_flight(slot) == cmd_flight) {
#if HAS_TRACKER
- ao_tracker_erase_start(ao_cmd_lex_i);
+ ao_tracker_erase_start(cmd_flight);
#endif
ao_log_erase(slot);
#if HAS_TRACKER
}
}
}
- printf("No such flight: %d\n", ao_cmd_lex_i);
+ printf("No such flight: %d\n", cmd_flight);
}
__code struct ao_cmds ao_log_cmds[] = {