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246 lines
7.5 KiB
C
246 lines
7.5 KiB
C
/**
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******************************************************************************
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* @addtogroup OpenPilotModules OpenPilot Modules
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* @brief The OpenPilot Modules do the majority of the control in OpenPilot. The
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* @ref OPLinkModule The OPLink Module is the equivalanet of the System
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* Module for the OPLink modem. it starts all the other modules.
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# This is done through the @ref PIOS "PIOS Hardware abstraction layer",
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# which then contains hardware specific implementations
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* (currently only STM32 supported)
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*
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* @{
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* @addtogroup OPLinkModule OPLink Module
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* @brief Initializes PIOS and other modules runs monitoring
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* After initializing all the modules runs basic monitoring and
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* alarms.
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* @{
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*
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* @file oplinkmod.c
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2012.
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* @brief System module
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*
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* @see The GNU Public License (GPL) Version 3
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*
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*****************************************************************************/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <pios.h>
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#include <uavobjectmanager.h>
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#include <openpilot.h>
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#include <oplinkstatus.h>
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#include <taskinfo.h>
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#include <pios_rfm22b.h>
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#include <pios_board_info.h>
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// Private constants
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#define SYSTEM_UPDATE_PERIOD_MS 1000
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#if defined(PIOS_SYSTEM_STACK_SIZE)
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#define STACK_SIZE_BYTES PIOS_SYSTEM_STACK_SIZE
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#else
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#define STACK_SIZE_BYTES 924
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#endif
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#define TASK_PRIORITY (tskIDLE_PRIORITY + 2)
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// Private types
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// Private variables
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static xTaskHandle systemTaskHandle;
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static bool stackOverflow;
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static bool mallocFailed;
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volatile int initTaskDone = 0;
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// Private functions
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static void systemTask(void *parameters);
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/**
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* Create the module task.
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* \returns 0 on success or -1 if initialization failed
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*/
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int32_t OPLinkModStart(void)
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{
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// Initialize vars
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stackOverflow = false;
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mallocFailed = false;
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// Create oplink system task
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xTaskCreate(systemTask, "OPLink", STACK_SIZE_BYTES / 4, NULL, TASK_PRIORITY, &systemTaskHandle);
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// Register task
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PIOS_TASK_MONITOR_RegisterTask(TASKINFO_RUNNING_SYSTEM, systemTaskHandle);
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return 0;
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}
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/**
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* Initialize the module, called on startup.
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* \returns 0 on success or -1 if initialization failed
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*/
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int32_t OPLinkModInitialize(void)
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{
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// Must registers objects here for system thread because ObjectManager started in OpenPilotInit
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// Call the module start function.
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OPLinkModStart();
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return 0;
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}
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MODULE_INITCALL(OPLinkModInitialize, 0);
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/**
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* System task, periodically executes every SYSTEM_UPDATE_PERIOD_MS
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*/
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static void systemTask(__attribute__((unused)) void *parameters)
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{
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portTickType lastSysTime;
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uint16_t prev_tx_count = 0;
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uint16_t prev_rx_count = 0;
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bool first_time = true;
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while (!initTaskDone) {
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vTaskDelay(10);
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}
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/* create all modules thread */
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MODULE_TASKCREATE_ALL;
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/* start the delayed callback scheduler */
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PIOS_CALLBACKSCHEDULER_Start();
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if (mallocFailed) {
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/* We failed to malloc during task creation,
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* system behaviour is undefined. Reset and let
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* the BootFault code recover for us.
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*/
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PIOS_SYS_Reset();
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}
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// Initialize vars
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lastSysTime = xTaskGetTickCount();
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// Main system loop
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while (1) {
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// Flash the heartbeat LED
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#if defined(PIOS_LED_HEARTBEAT)
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PIOS_LED_Toggle(PIOS_LED_HEARTBEAT);
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#endif /* PIOS_LED_HEARTBEAT */
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// Update the OPLinkStatus UAVO
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OPLinkStatusData oplinkStatus;
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OPLinkStatusGet(&oplinkStatus);
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// Get the other device stats.
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PIOS_RFM2B_GetPairStats(pios_rfm22b_id, oplinkStatus.PairIDs, oplinkStatus.PairSignalStrengths, OPLINKSTATUS_PAIRIDS_NUMELEM);
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// Get the stats from the radio device
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struct rfm22b_stats radio_stats;
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PIOS_RFM22B_GetStats(pios_rfm22b_id, &radio_stats);
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if (pios_rfm22b_id) {
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// Update the status
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oplinkStatus.HeapRemaining = xPortGetFreeHeapSize();
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oplinkStatus.DeviceID = PIOS_RFM22B_DeviceID(pios_rfm22b_id);
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oplinkStatus.RxGood = radio_stats.rx_good;
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oplinkStatus.RxCorrected = radio_stats.rx_corrected;
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oplinkStatus.RxErrors = radio_stats.rx_error;
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oplinkStatus.RxMissed = radio_stats.rx_missed;
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oplinkStatus.RxFailure = radio_stats.rx_failure;
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oplinkStatus.TxDropped = radio_stats.tx_dropped;
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oplinkStatus.TxFailure = radio_stats.tx_failure;
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oplinkStatus.Resets = radio_stats.resets;
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oplinkStatus.Timeouts = radio_stats.timeouts;
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oplinkStatus.RSSI = radio_stats.rssi;
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oplinkStatus.LinkQuality = radio_stats.link_quality;
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if (first_time) {
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first_time = false;
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} else {
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uint16_t tx_count = radio_stats.tx_byte_count;
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uint16_t rx_count = radio_stats.rx_byte_count;
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uint16_t tx_bytes = (tx_count < prev_tx_count) ? (0xffff - prev_tx_count + tx_count) : (tx_count - prev_tx_count);
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uint16_t rx_bytes = (rx_count < prev_rx_count) ? (0xffff - prev_rx_count + rx_count) : (rx_count - prev_rx_count);
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oplinkStatus.TXRate = (uint16_t)((float)(tx_bytes * 1000) / SYSTEM_UPDATE_PERIOD_MS);
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oplinkStatus.RXRate = (uint16_t)((float)(rx_bytes * 1000) / SYSTEM_UPDATE_PERIOD_MS);
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prev_tx_count = tx_count;
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prev_rx_count = rx_count;
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}
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oplinkStatus.TXSeq = radio_stats.tx_seq;
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oplinkStatus.RXSeq = radio_stats.rx_seq;
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oplinkStatus.LinkState = radio_stats.link_state;
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} else {
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oplinkStatus.LinkState = OPLINKSTATUS_LINKSTATE_DISABLED;
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}
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if (radio_stats.link_state == OPLINKSTATUS_LINKSTATE_CONNECTED) {
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LINK_LED_ON;
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} else {
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LINK_LED_OFF;
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}
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// Update the object
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OPLinkStatusSet(&oplinkStatus);
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// Wait until next period
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vTaskDelayUntil(&lastSysTime, SYSTEM_UPDATE_PERIOD_MS / portTICK_RATE_MS);
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}
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}
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/**
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* Called by the RTOS when the CPU is idle, used to measure the CPU idle time.
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*/
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void vApplicationIdleHook(void)
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{}
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/**
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* Called by the RTOS when a stack overflow is detected.
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*/
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#define DEBUG_STACK_OVERFLOW 0
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void vApplicationStackOverflowHook(__attribute__((unused)) xTaskHandle *pxTask,
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__attribute__((unused)) signed portCHAR *pcTaskName)
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{
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stackOverflow = true;
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#if DEBUG_STACK_OVERFLOW
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static volatile bool wait_here = true;
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while (wait_here) {
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;
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}
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wait_here = true;
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#endif
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}
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/**
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* Called by the RTOS when a malloc call fails.
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*/
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#define DEBUG_MALLOC_FAILURES 0
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void vApplicationMallocFailedHook(void)
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{
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mallocFailed = true;
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#if DEBUG_MALLOC_FAILURES
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static volatile bool wait_here = true;
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while (wait_here) {
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;
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}
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wait_here = true;
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#endif
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}
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/**
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* @}
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* @}
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*/
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