ao_storage_flush();
}
+static void ao_log_scan(void);
+
__xdata struct ao_log_record log;
__xdata uint16_t ao_flight_number;
return 1;
}
-static void
-ao_log_scan(void)
-{
- if (!ao_storage_read(0, &log, sizeof (struct ao_log_record)))
- ao_panic(AO_PANIC_LOG);
- if (ao_log_dump_check_data() && log.type == AO_LOG_FLIGHT) {
- ao_flight_number = log.u.flight.flight + 1;
- if (ao_flight_number == 0)
- ao_flight_number = 1;
- } else {
- ao_flight_number = 1;
- }
- ao_wakeup(&ao_flight_number);
-}
-
__xdata uint8_t ao_log_adc_pos;
__xdata enum flight_state ao_log_state;
}
}
+/*
+ * When erasing a flight log, make sure the config block
+ * has an up-to-date version of the current flight number
+ */
+
+struct ao_log_erase {
+ uint8_t unused;
+ uint16_t flight;
+};
+
+static __xdata struct ao_log_erase erase;
+
+#define LOG_MAX_ERASE 16
+
+static uint32_t
+ao_log_erase_pos(uint8_t i)
+{
+ return i * sizeof (struct ao_log_erase) + AO_STORAGE_ERASE_LOG;
+}
+
+static void
+ao_log_write_erase(uint8_t pos)
+{
+ erase.unused = 0x00;
+ erase.flight = ao_flight_number;
+ ao_storage_write(ao_log_erase_pos(pos), &erase, sizeof (erase));
+}
+
+static void
+ao_log_read_erase(uint8_t pos)
+{
+ ao_storage_read(ao_log_erase_pos(pos), &erase, sizeof (erase));
+}
+
+
+static void
+ao_log_erase_mark(void)
+{
+ uint8_t i;
+
+ for (i = 0; i < LOG_MAX_ERASE; i++) {
+ ao_log_read_erase(i);
+ if (erase.unused == 0 && erase.flight == ao_flight_number)
+ return;
+ if (erase.unused == 0xff) {
+ ao_log_write_erase(i);
+ return;
+ }
+ }
+ ao_config_put();
+}
+
+static void
+ao_log_erase(uint8_t pos)
+{
+ ao_config_get();
+ (void) pos;
+// ao_log_current_pos = pos * ao_config.flight_log_max;
+// ao_log_end_pos = ao_log_current_pos + ao_config.flight_log_max;
+// if (ao_log_end_pos > ao_storage_config)
+// return;
+
+ ao_log_current_pos = 0;
+ ao_log_end_pos = ao_storage_config;
+
+ while (ao_log_current_pos < ao_log_end_pos) {
+ ao_storage_erase(ao_log_current_pos);
+ ao_log_current_pos += ao_storage_block;
+ }
+}
+
+static uint16_t
+ao_log_flight(uint8_t slot)
+{
+ (void) slot;
+ if (!ao_storage_read(0,
+ &log,
+ sizeof (struct ao_log_record)))
+ ao_panic(AO_PANIC_LOG);
+
+ if (ao_log_dump_check_data() && log.type == AO_LOG_FLIGHT)
+ return log.u.flight.flight;
+ return 0;
+}
+
+static void
+ao_log_scan(void)
+{
+ uint8_t log_slot;
+ uint8_t log_avail = 0;
+ uint16_t log_flight;
+
+ ao_config_get();
+
+ ao_flight_number = 0;
+
+ /* Scan the log space looking for an empty one, and find the biggest flight number */
+ log_slot = 0;
+ {
+ log_flight = ao_log_flight(log_slot);
+ if (log_flight) {
+ if (++log_flight == 0)
+ log_flight = 1;
+ if (ao_flight_number == 0 ||
+ (int16_t) (log_flight - ao_flight_number) > 0) {
+ ao_flight_number = log_flight;
+ }
+ } else
+ log_avail |= 1 << log_slot;
+ }
+
+ /* Now look through the log of flight numbers from erase operations and
+ * see if the last one is bigger than what we found above
+ */
+ for (log_slot = LOG_MAX_ERASE; log_slot-- > 0;) {
+ ao_log_read_erase(log_slot);
+ if (erase.unused == 0) {
+ if (ao_flight_number == 0 ||
+ (int16_t) (erase.flight - ao_flight_number) > 0)
+ ao_flight_number = erase.flight;
+ break;
+ }
+ }
+ if (ao_flight_number == 0)
+ ao_flight_number = 1;
+
+ /* With a flight number in hand, find a place to write a new log,
+ * use the target flight number to index the available log slots so
+ * that we write logs to each spot about the same number of times.
+ */
+
+ /* If there are no log slots available, then
+ * do not log the next flight
+ */
+ if (!log_avail) {
+ ao_log_current_pos = 0;
+ ao_log_end_pos = 0;
+ } else {
+ log_slot = ao_flight_number % log_slot;
+ while (!((log_avail & (1 << log_slot)))) {
+ if ((1 << log_slot) > log_avail)
+ log_slot = 0;
+ else
+ log_slot++;
+ }
+// ao_log_current_pos = log_slot * ao_config.flight_log_max;
+// ao_log_end_pos = ao_log_current_pos + ao_config.flight_log_max;
+ ao_log_current_pos = 0;
+ ao_log_end_pos = ao_storage_config;
+ }
+
+ ao_wakeup(&ao_flight_number);
+}
+
void
ao_log_start(void)
{
static __xdata struct ao_task ao_log_task;
+void
+ao_log_list(void) __reentrant
+{
+ uint8_t slot;
+ uint16_t flight;
+
+ slot = 0;
+ {
+ flight = ao_log_flight(slot);
+ if (flight)
+ printf ("Flight %d\n", flight);
+ }
+}
+
+void
+ao_log_delete(void) __reentrant
+{
+ uint8_t slot;
+ ao_cmd_decimal();
+ if (ao_cmd_status != ao_cmd_success)
+ return;
+ slot = 0;
+ /* Look for the flight log matching the requested flight */
+ {
+ if (ao_log_flight(slot) == ao_cmd_lex_i) {
+ ao_log_current_pos = 0;
+ ao_log_end_pos = ao_storage_config;
+ while (ao_log_current_pos < ao_log_end_pos) {
+ /*
+ * Check to see if we've reached the end of
+ * the used memory to avoid re-erasing the same
+ * memory over and over again
+ */
+ if (ao_storage_read(ao_log_current_pos,
+ &log,
+ sizeof (struct ao_log_record))) {
+ for (slot = 0; slot < sizeof (struct ao_log_record); slot++)
+ if (((uint8_t *) &log)[slot] != 0xff)
+ break;
+ if (slot == sizeof (struct ao_log_record))
+ break;
+ }
+ ao_storage_erase(ao_log_current_pos);
+ ao_log_current_pos += ao_storage_block;
+ }
+ puts("Erased\n");
+ return;
+ }
+ }
+ printf("No such flight: %d\n", ao_cmd_lex_i);
+}
+
+__code struct ao_cmds ao_log_cmds[] = {
+ { 'l', ao_log_list, "l List stored flight logs" },
+ { 'd', ao_log_delete, "d <flight-number> Delete stored flight" },
+ { 0, ao_log_delete, NULL },
+};
+
void
ao_log_init(void)
{
/* For now, just log the flight starting at the begining of eeprom */
ao_log_state = ao_flight_invalid;
+ ao_cmd_register(&ao_log_cmds[0]);
+
/* Create a task to log events to eeprom */
ao_add_task(&ao_log_task, ao_log, "log");
}
projects / fw / altos / blobdiff