altos: Switch ao_log.c and ao_log_big.c __xdata to __pdata
[fw/altos] / src / ao_log.c
index 55b9dfff32e7f8abbaae42d4a69e2ee27c562ce3..80d7243d8c632a1c6062fbe63b43f9249629081f 100644 (file)
 
 #include "ao.h"
 
-static __pdata uint32_t        ao_log_current_pos;
-static __pdata uint32_t ao_log_end_pos;
-static __pdata uint32_t        ao_log_start_pos;
-static __xdata uint8_t ao_log_running;
-static __xdata uint8_t ao_log_mutex;
-
-static uint8_t
-ao_log_csum(__xdata uint8_t *b) __reentrant
-{
-       uint8_t sum = 0x5a;
-       uint8_t i;
-
-       for (i = 0; i < sizeof (struct ao_log_record); i++)
-               sum += *b++;
-       return -sum;
-}
-
-uint8_t
-ao_log_data(__xdata struct ao_log_record *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 = 0;
-               if (ao_log_running) {
-                       wrote = 1;
-                       ao_storage_write(ao_log_current_pos,
-                                        log,
-                                        sizeof (struct ao_log_record));
-                       ao_log_current_pos += sizeof (struct ao_log_record);
-               }
-       } ao_mutex_put(&ao_log_mutex);
-       return wrote;
-}
+__pdata uint32_t ao_log_current_pos;
+__pdata uint32_t ao_log_end_pos;
+__pdata uint32_t ao_log_start_pos;
+__xdata uint8_t        ao_log_running;
+__pdata enum flight_state ao_log_state;
+__xdata uint16_t ao_flight_number;
 
 void
 ao_log_flush(void)
@@ -61,89 +30,6 @@ ao_log_flush(void)
        ao_storage_flush();
 }
 
-static void ao_log_scan(void);
-
-__xdata struct ao_log_record log;
-__xdata uint16_t ao_flight_number;
-
-static uint8_t
-ao_log_dump_check_data(void)
-{
-       if (ao_log_csum((uint8_t *) &log) != 0)
-               return 0;
-       return 1;
-}
-
-__xdata uint8_t        ao_log_adc_pos;
-__xdata enum flight_state ao_log_state;
-
-/* a hack to make sure that ao_log_records fill the eeprom block in even units */
-typedef uint8_t check_log_size[1-(256 % sizeof(struct ao_log_record))] ;
-
-void
-ao_log(void)
-{
-       ao_storage_setup();
-
-       ao_log_scan();
-
-       while (!ao_log_running)
-               ao_sleep(&ao_log_running);
-
-       log.type = AO_LOG_FLIGHT;
-       log.tick = ao_flight_tick;
-       log.u.flight.ground_accel = ao_ground_accel;
-       log.u.flight.flight = ao_flight_number;
-       ao_log_data(&log);
-
-       /* Write the whole contents of the ring to the log
-        * when starting up.
-        */
-       ao_log_adc_pos = ao_adc_ring_next(ao_adc_head);
-       for (;;) {
-               /* Write samples to EEPROM */
-               while (ao_log_adc_pos != ao_adc_head) {
-                       log.type = AO_LOG_SENSOR;
-                       log.tick = ao_adc_ring[ao_log_adc_pos].tick;
-                       log.u.sensor.accel = ao_adc_ring[ao_log_adc_pos].accel;
-                       log.u.sensor.pres = ao_adc_ring[ao_log_adc_pos].pres;
-                       ao_log_data(&log);
-                       if ((ao_log_adc_pos & 0x1f) == 0) {
-                               log.type = AO_LOG_TEMP_VOLT;
-                               log.tick = ao_adc_ring[ao_log_adc_pos].tick;
-                               log.u.temp_volt.temp = ao_adc_ring[ao_log_adc_pos].temp;
-                               log.u.temp_volt.v_batt = ao_adc_ring[ao_log_adc_pos].v_batt;
-                               ao_log_data(&log);
-                               log.type = AO_LOG_DEPLOY;
-                               log.tick = ao_adc_ring[ao_log_adc_pos].tick;
-                               log.u.deploy.drogue = ao_adc_ring[ao_log_adc_pos].sense_d;
-                               log.u.deploy.main = ao_adc_ring[ao_log_adc_pos].sense_m;
-                               ao_log_data(&log);
-                       }
-                       ao_log_adc_pos = ao_adc_ring_next(ao_log_adc_pos);
-               }
-               /* Write state change to EEPROM */
-               if (ao_flight_state != ao_log_state) {
-                       ao_log_state = ao_flight_state;
-                       log.type = AO_LOG_STATE;
-                       log.tick = ao_flight_tick;
-                       log.u.state.state = ao_log_state;
-                       log.u.state.reason = 0;
-                       ao_log_data(&log);
-
-                       if (ao_log_state == ao_flight_landed)
-                               ao_log_stop();
-               }
-
-               /* Wait for a while */
-               ao_delay(AO_MS_TO_TICKS(100));
-
-               /* Stop logging when told to */
-               while (!ao_log_running)
-                       ao_sleep(&ao_log_running);
-       }
-}
-
 /*
  * When erasing a flight log, make sure the config block
  * has an up-to-date version of the current flight number
@@ -203,25 +89,12 @@ ao_log_slots()
        return (uint8_t) (ao_storage_config / ao_config.flight_log_max);
 }
 
-static uint32_t
+uint32_t
 ao_log_pos(uint8_t slot)
 {
        return ((slot) * ao_config.flight_log_max);
 }
 
-static uint16_t
-ao_log_flight(uint8_t slot)
-{
-       if (!ao_storage_read(ao_log_pos(slot),
-                            &log,
-                            sizeof (struct ao_log_record)))
-               return 0;
-
-       if (ao_log_dump_check_data() && log.type == AO_LOG_FLIGHT)
-               return log.u.flight.flight;
-       return 0;
-}
-
 static uint16_t
 ao_log_max_flight(void)
 {
@@ -242,7 +115,7 @@ ao_log_max_flight(void)
        return max_flight;
 }
 
-static void
+void
 ao_log_scan(void) __reentrant
 {
        uint8_t         log_slot;
@@ -315,6 +188,12 @@ ao_log_present(void)
        return ao_log_max_flight() != 0;
 }
 
+uint8_t
+ao_log_full(void)
+{
+       return ao_log_current_pos == ao_log_end_pos;
+}
+
 static __xdata struct ao_task ao_log_task;
 
 void
@@ -349,42 +228,43 @@ ao_log_delete(void) __reentrant
 
        slots = ao_log_slots();
        /* Look for the flight log matching the requested flight */
-       for (slot = 0; slot < slots; slot++) {
-               if (ao_log_flight(slot) == ao_cmd_lex_i) {
-                       ao_log_erase_mark();
-                       ao_log_current_pos = ao_log_pos(slot);
-                       ao_log_end_pos = ao_log_current_pos + ao_config.flight_log_max;
-                       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))
+       if (ao_cmd_lex_i) {
+               for (slot = 0; slot < slots; slot++) {
+                       if (ao_log_flight(slot) == ao_cmd_lex_i) {
+                               ao_log_erase_mark();
+                               ao_log_current_pos = ao_log_pos(slot);
+                               ao_log_end_pos = ao_log_current_pos + ao_config.flight_log_max;
+                               while (ao_log_current_pos < ao_log_end_pos) {
+                                       uint8_t i;
+                                       static __xdata uint8_t b;
+
+                                       /*
+                                        * Check to see if we've reached the end of
+                                        * the used memory to avoid re-erasing the same
+                                        * memory over and over again
+                                        */
+                                       for (i = 0; i < 16; i++) {
+                                               if (ao_storage_read(ao_log_current_pos + i, &b, 1))
+                                                       if (b != 0xff)
+                                                               break;
+                                       }
+                                       if (i == 16)
                                                break;
+                                       ao_storage_erase(ao_log_current_pos);
+                                       ao_log_current_pos += ao_storage_block;
                                }
-                               ao_storage_erase(ao_log_current_pos);
-                               ao_log_current_pos += ao_storage_block;
+                               puts("Erased");
+                               return;
                        }
-                       puts("Erased");
-                       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 },
+       { ao_log_list,  "l\0List flight logs" },
+       { ao_log_delete,        "d <flight-number>\0Delete flight" },
+       { 0,    NULL },
 };
 
 void