X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fkernel%2Fao_log.c;h=2167d145d2ecd7211832ce01879fcd68bcc3bb17;hp=d9c3e00f6ce2fb98a40016e161230aae88a02b5e;hb=3ed101d634968666cd3ee2d8c49737970caf406b;hpb=8117ba3553789a2bae9beb92fbe9e14e3cc79389 diff --git a/src/kernel/ao_log.c b/src/kernel/ao_log.c index d9c3e00f..2167d145 100644 --- a/src/kernel/ao_log.c +++ b/src/kernel/ao_log.c @@ -3,7 +3,8 @@ * * 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 @@ -18,14 +19,17 @@ #include "ao.h" #include #include +#if HAS_TRACKER +#include +#endif -__xdata uint8_t ao_log_mutex; -__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 ao_flight_state ao_log_state; -__xdata uint16_t ao_flight_number; +uint8_t ao_log_mutex; +uint32_t ao_log_current_pos; +uint32_t ao_log_end_pos; +uint32_t ao_log_start_pos; +uint8_t ao_log_running; +enum ao_flight_state ao_log_state; +int16_t ao_flight_number; void ao_log_flush(void) @@ -43,7 +47,7 @@ struct ao_log_erase { uint16_t flight; }; -static __xdata struct ao_log_erase erase; +static struct ao_log_erase erase; #ifndef LOG_MAX_ERASE #define LOG_MAX_ERASE 16 @@ -107,51 +111,135 @@ ao_log_erase_mark(void) ao_config_put(); } +/* Position of first flight record in slot */ +static uint32_t +ao_log_pos(uint8_t slot) +{ + return ((slot) * ao_config.flight_log_max); +} + +/* Start of erase block containing first flight record */ +static uint32_t +ao_log_pos_block_start(uint8_t slot) +{ + return ao_log_pos(slot) & ~(ao_storage_block - 1); +} + +/* End of erase block containing last flight record */ +static uint32_t +ao_log_pos_block_end(uint8_t slot) +{ + return ao_log_pos_block_start(slot + 1); +} + +#ifndef AO_LOG_UNCOMMON +/* + * Common logging functions which depend on the type of the log data + * structure. + */ + +ao_log_type ao_log_data; + static uint8_t -ao_log_slots() +ao_log_csum(uint8_t *b) { - return (uint8_t) (ao_storage_log_max / ao_config.flight_log_max); + uint8_t sum = 0x5a; + uint8_t i; + + for (i = 0; i < sizeof (ao_log_type); i++) + sum += *b++; + return -sum; } -uint32_t -ao_log_pos(uint8_t slot) +uint8_t +ao_log_write(ao_log_type *log) { - return ((slot) * ao_config.flight_log_max); + uint8_t wrote = 0; + /* set checksum */ + log->csum = 0; + log->csum = ao_log_csum((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 *) &ao_log_data) != 0) + return 0; + return 1; +} + +int16_t +ao_log_flight(uint8_t slot) +{ + if (ao_storage_is_erased(ao_log_pos_block_start(slot))) + return 0; + + if (!ao_storage_read(ao_log_pos(slot), + &ao_log_data, + sizeof (ao_log_type))) + return -(int16_t) (slot + 1); + + if (!ao_log_check_data() || ao_log_data.type != AO_LOG_FLIGHT) + return -(int16_t) (slot + 1); + + return ao_log_data.u.flight.flight; } +#endif -static uint16_t +static uint8_t +ao_log_slots(void) +{ + return (uint8_t) (ao_storage_log_max / ao_config.flight_log_max); +} + +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; } -void -ao_log_scan(void) __reentrant +static uint8_t +ao_log_erase(uint8_t slot) { - uint8_t log_slot; - uint8_t log_slots; - uint8_t log_want; + uint32_t start_pos; + uint32_t end_pos; - ao_config_get(); + ao_log_erase_mark(); + start_pos = ao_log_pos_block_start(slot); + end_pos = ao_log_pos_block_end(slot); + return ao_storage_erase(start_pos, end_pos - start_pos); +} - ao_flight_number = ao_log_max_flight(); - if (ao_flight_number) - if (++ao_flight_number == 0) - ao_flight_number = 1; +static void +ao_log_find_max_erase_flight(void) +{ + uint8_t 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 @@ -167,6 +255,82 @@ ao_log_scan(void) __reentrant } if (ao_flight_number == 0) ao_flight_number = 1; +} + +uint8_t +ao_log_scan(void) +{ + uint8_t log_slot; + uint8_t log_slots; +#if FLIGHT_LOG_APPEND + uint8_t ret; +#else + uint8_t log_want; +#endif + + ao_config_get(); + + /* Get any existing flight number */ + ao_flight_number = ao_log_max_flight(); + +#if FLIGHT_LOG_APPEND + + /* Deal with older OS versions which stored multiple + * flights in rom by erasing everything after the first + * slot + */ + if (ao_config.flight_log_max != ao_storage_log_max) { + log_slots = ao_log_slots(); + for (log_slot = 1; log_slot < log_slots; log_slot++) { + if (ao_log_flight(log_slot) != 0) + if (!ao_log_erase(log_slot)) + printf("erase %d failed\n", log_slot); + } + ao_config_log_fix_append(); + } + ao_log_current_pos = ao_log_pos(0); + ao_log_end_pos = ao_log_pos_block_end(0); + + if (ao_flight_number) { + uint32_t full = (ao_log_current_pos) / AO_LOG_SIZE; + uint32_t empty = (ao_log_end_pos - AO_LOG_SIZE) / AO_LOG_SIZE; + + /* If there's already a flight started, then find the + * end of it + */ + for (;;) { + uint32_t current = (full + empty) >> 1; + ao_log_current_pos = current * AO_LOG_SIZE; + + if (current == full) { + if (ao_log_check(ao_log_current_pos) != AO_LOG_EMPTY) + ao_log_current_pos += AO_LOG_SIZE; + break; + } + if (current == empty) + break; + + if (ao_log_check(ao_log_current_pos) != AO_LOG_EMPTY) { + full = current; + } else { + empty = current; + } + } + ret = 1; + } else { + ao_log_find_max_erase_flight(); + ret = 0; + } + ao_wakeup(&ao_flight_number); + return ret; +#else + if (ao_flight_number) { + ++ao_flight_number; + if (ao_flight_number <= 0) + ao_flight_number = 1; + } + + ao_log_find_max_erase_flight(); /* 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 @@ -181,14 +345,15 @@ ao_log_scan(void) __reentrant do { if (ao_log_flight(log_slot) == 0) { ao_log_current_pos = ao_log_pos(log_slot); - ao_log_end_pos = ao_log_current_pos + ao_config.flight_log_max; + ao_log_end_pos = ao_log_pos_block_end(log_slot); break; } if (++log_slot >= log_slots) log_slot = 0; } while (log_slot != log_want); - ao_wakeup(&ao_flight_number); + return 0; +#endif } void @@ -223,15 +388,15 @@ ao_log_full(void) #endif #if LOG_ADC -static __xdata struct ao_task ao_log_task; +static struct ao_task ao_log_task; #endif -void -ao_log_list(void) __reentrant +static void +ao_log_list(void) { uint8_t slot; uint8_t slots; - uint16_t flight; + int16_t flight; slots = ao_log_slots(); for (slot = 0; slot < slots; slot++) @@ -241,57 +406,55 @@ ao_log_list(void) __reentrant printf ("flight %d start %x end %x\n", flight, (uint16_t) (ao_log_pos(slot) >> 8), - (uint16_t) (ao_log_pos(slot+1) >> 8)); + (uint16_t) (ao_log_pos_block_end(slot) >> 8)); + else + printf ("slot %d start %x end %x\n", + slot, + (uint16_t) (ao_log_pos(slot) >> 8), + (uint16_t) (ao_log_pos_block_end(slot) >> 8)); } printf ("done\n"); } -void -ao_log_delete(void) __reentrant +static void +ao_log_delete(void) { uint8_t slot; uint8_t slots; + int16_t cmd_flight = 1; - ao_cmd_decimal(); + ao_cmd_white(); + if (ao_cmd_lex_c == '-') { + cmd_flight = -1; + ao_cmd_lex(); + } + cmd_flight *= ao_cmd_decimal(); if (ao_cmd_status != ao_cmd_success) return; 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) { - 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; - } - puts("Erased"); + if (ao_log_flight(slot) == cmd_flight) { +#if HAS_TRACKER + ao_tracker_erase_start(cmd_flight); +#endif + if (ao_log_erase(slot)) + puts("Erased"); + else + puts("Failed to erase"); +#if HAS_TRACKER + ao_tracker_erase_end(); +#endif return; } } } - 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[] = { +const struct ao_cmds ao_log_cmds[] = { { ao_log_list, "l\0List logs" }, { ao_log_delete, "d \0Delete flight" }, { 0, NULL },