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LibrePilot/flight/modules/OPLink/oplinkmod.c

261 lines
8.0 KiB
C

/**
******************************************************************************
* @addtogroup OpenPilotModules OpenPilot Modules
* @brief The OpenPilot Modules do the majority of the control in OpenPilot. The
* @ref OPLinkModule The OPLink Module is the equivalanet of the System
* Module for the OPLink modem. it starts all the other modules.
# This is done through the @ref PIOS "PIOS Hardware abstraction layer",
# which then contains hardware specific implementations
* (currently only STM32 supported)
*
* @{
* @addtogroup OPLinkModule OPLink Module
* @brief Initializes PIOS and other modules runs monitoring
* After initializing all the modules runs basic monitoring and
* alarms.
* @{
*
* @file oplinkmod.c
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2012.
* @brief System module
*
* @see The GNU Public License (GPL) Version 3
*
*****************************************************************************/
/*
* 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; either version 3 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 MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <openpilot.h>
#include <oplinkstatus.h>
#include <oplinksettings.h>
#include <taskinfo.h>
#include <pios_rfm22b.h>
#include <pios_board_info.h>
// Private constants
#define SYSTEM_UPDATE_PERIOD_MS 1000
#if defined(PIOS_SYSTEM_STACK_SIZE)
#define STACK_SIZE_BYTES PIOS_SYSTEM_STACK_SIZE
#else
#define STACK_SIZE_BYTES 924
#endif
#define TASK_PRIORITY (tskIDLE_PRIORITY + 2)
// Private types
// Private variables
static uint32_t idleCounter;
static uint32_t idleCounterClear;
static xTaskHandle systemTaskHandle;
static bool stackOverflow;
static bool mallocFailed;
// Private functions
static void systemTask(void *parameters);
/**
* Create the module task.
* \returns 0 on success or -1 if initialization failed
*/
int32_t OPLinkModStart(void)
{
// Initialize vars
stackOverflow = false;
mallocFailed = false;
// Create oplink system task
xTaskCreate(systemTask, (signed char *)"OPLink", STACK_SIZE_BYTES / 4, NULL, TASK_PRIORITY, &systemTaskHandle);
// Register task
PIOS_TASK_MONITOR_RegisterTask(TASKINFO_RUNNING_SYSTEM, systemTaskHandle);
return 0;
}
/**
* Initialize the module, called on startup.
* \returns 0 on success or -1 if initialization failed
*/
int32_t OPLinkModInitialize(void)
{
// Must registers objects here for system thread because ObjectManager started in OpenPilotInit
// Initialize out status object.
OPLinkStatusInitialize();
OPLinkStatusData oplinkStatus;
OPLinkStatusGet(&oplinkStatus);
// Get our hardware information.
const struct pios_board_info *bdinfo = &pios_board_info_blob;
oplinkStatus.BoardType = bdinfo->board_type;
PIOS_BL_HELPER_FLASH_Read_Description(oplinkStatus.Description, OPLINKSTATUS_DESCRIPTION_NUMELEM);
PIOS_SYS_SerialNumberGetBinary(oplinkStatus.CPUSerial);
oplinkStatus.BoardRevision = bdinfo->board_rev;
// Update the object
OPLinkStatusSet(&oplinkStatus);
// Call the module start function.
OPLinkModStart();
return 0;
}
MODULE_INITCALL(OPLinkModInitialize, 0)
/**
* System task, periodically executes every SYSTEM_UPDATE_PERIOD_MS
*/
static void systemTask(__attribute__((unused)) void *parameters)
{
portTickType lastSysTime;
uint16_t prev_tx_count = 0;
uint16_t prev_rx_count = 0;
bool first_time = true;
/* create all modules thread */
MODULE_TASKCREATE_ALL;
if (mallocFailed) {
/* We failed to malloc during task creation,
* system behaviour is undefined. Reset and let
* the BootFault code recover for us.
*/
PIOS_SYS_Reset();
}
// Initialize vars
idleCounter = 0;
idleCounterClear = 0;
lastSysTime = xTaskGetTickCount();
// Main system loop
while (1) {
// Flash the heartbeat LED
#if defined(PIOS_LED_HEARTBEAT)
PIOS_LED_Toggle(PIOS_LED_HEARTBEAT);
#endif /* PIOS_LED_HEARTBEAT */
// Update the OPLinkStatus UAVO
OPLinkStatusData oplinkStatus;
OPLinkStatusGet(&oplinkStatus);
// Get the other device stats.
PIOS_RFM2B_GetPairStats(pios_rfm22b_id, oplinkStatus.PairIDs, oplinkStatus.PairSignalStrengths, OPLINKSTATUS_PAIRIDS_NUMELEM);
// Get the stats from the radio device
struct rfm22b_stats radio_stats;
PIOS_RFM22B_GetStats(pios_rfm22b_id, &radio_stats);
// Update the status
oplinkStatus.HeapRemaining = xPortGetFreeHeapSize();
oplinkStatus.DeviceID = PIOS_RFM22B_DeviceID(pios_rfm22b_id);
oplinkStatus.RxGood = radio_stats.rx_good;
oplinkStatus.RxCorrected = radio_stats.rx_corrected;
oplinkStatus.RxErrors = radio_stats.rx_error;
oplinkStatus.RxMissed = radio_stats.rx_missed;
oplinkStatus.RxFailure = radio_stats.rx_failure;
oplinkStatus.TxDropped = radio_stats.tx_dropped;
oplinkStatus.TxResent = radio_stats.tx_resent;
oplinkStatus.TxFailure = radio_stats.tx_failure;
oplinkStatus.Resets = radio_stats.resets;
oplinkStatus.Timeouts = radio_stats.timeouts;
oplinkStatus.RSSI = radio_stats.rssi;
oplinkStatus.LinkQuality = radio_stats.link_quality;
if (first_time) {
first_time = false;
} else {
uint16_t tx_count = radio_stats.tx_byte_count;
uint16_t rx_count = radio_stats.rx_byte_count;
uint16_t tx_bytes = (tx_count < prev_tx_count) ? (0xffff - prev_tx_count + tx_count) : (tx_count - prev_tx_count);
uint16_t rx_bytes = (rx_count < prev_rx_count) ? (0xffff - prev_rx_count + rx_count) : (rx_count - prev_rx_count);
oplinkStatus.TXRate = (uint16_t)((float)(tx_bytes * 1000) / SYSTEM_UPDATE_PERIOD_MS);
oplinkStatus.RXRate = (uint16_t)((float)(rx_bytes * 1000) / SYSTEM_UPDATE_PERIOD_MS);
prev_tx_count = tx_count;
prev_rx_count = rx_count;
}
oplinkStatus.TXSeq = radio_stats.tx_seq;
oplinkStatus.RXSeq = radio_stats.rx_seq;
oplinkStatus.LinkState = radio_stats.link_state;
if (radio_stats.link_state == OPLINKSTATUS_LINKSTATE_CONNECTED) {
LINK_LED_ON;
} else {
LINK_LED_OFF;
}
// Update the object
OPLinkStatusSet(&oplinkStatus);
// Wait until next period
vTaskDelayUntil(&lastSysTime, SYSTEM_UPDATE_PERIOD_MS / portTICK_RATE_MS);
}
}
/**
* Called by the RTOS when the CPU is idle, used to measure the CPU idle time.
*/
void vApplicationIdleHook(void)
{
// Called when the scheduler has no tasks to run
if (idleCounterClear == 0) {
++idleCounter;
} else {
idleCounter = 0;
idleCounterClear = 0;
}
}
/**
* Called by the RTOS when a stack overflow is detected.
*/
#define DEBUG_STACK_OVERFLOW 0
void vApplicationStackOverflowHook(__attribute__((unused)) xTaskHandle *pxTask,
__attribute__((unused)) signed portCHAR *pcTaskName)
{
stackOverflow = true;
#if DEBUG_STACK_OVERFLOW
static volatile bool wait_here = true;
while (wait_here) {
;
}
wait_here = true;
#endif
}
/**
* Called by the RTOS when a malloc call fails.
*/
#define DEBUG_MALLOC_FAILURES 0
void vApplicationMallocFailedHook(void)
{
mallocFailed = true;
#if DEBUG_MALLOC_FAILURES
static volatile bool wait_here = true;
while (wait_here) {
;
}
wait_here = true;
#endif
}
/**
* @}
* @}
*/