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find ./flight/OpenPilot/Modules/ \! \( -name '*~' -a -prune \) -type f |
xargs -I{} bash -c 'echo {}; dos2unix {}; gnuindent -npro -kr -i8 -ts8 -sob -ss
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git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1776 ebee16cc-31ac-478f-84a7-5cbb03baadba
477 lines
11 KiB
C
477 lines
11 KiB
C
/**
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******************************************************************************
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* @addtogroup OpenPilotModules OpenPilot Modules
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* @{
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* @addtogroup OSDModule OSD Module
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* @brief On screen display support
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* @{
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*
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* @file OsdEtStd.c
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
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* @brief Interfacing with EagleTree OSD Std module
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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 "openpilot.h"
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#include "flightbatterystate.h"
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#include "positionactual.h"
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//
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// Configuration
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//
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#define DEBUG_PORT PIOS_COM_GPS
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#define STACK_SIZE 1024
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#define TASK_PRIORITY (tskIDLE_PRIORITY + 3)
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#define ENABLE_DEBUG_MSG
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//#define DUMP_CONFIG // Enable this do read and dump the OSD config
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//
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// Private constants
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//
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#ifdef ENABLE_DEBUG_MSG
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#define DEBUG_MSG(format, ...) PIOS_COM_SendFormattedString(DEBUG_PORT, format, ## __VA_ARGS__)
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#else
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#define DEBUG_MSG(format, ...)
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#endif
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#define CONFIG_LENGTH 6726
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#define MIN(a,b) ((a)<(b)?(a):(b))
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#define OSD_ADDRESS 0x30
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#define OSDMSG_V_LS_IDX 10
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#define OSDMSG_A_LS_IDX 17
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#define OSDMSG_VA_MS_IDX 18
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#define OSDMSG_LAT_IDX 33
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#define OSDMSG_LON_IDX 37
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#define OSDMSG_HOME_IDX 47
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#define OSDMSG_ALT_IDX 49
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#define OSDMSG_NB_SATS 58
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#define OSDMSG_GPS_STAT 59
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#define OSDMSG_GPS_STAT_NOFIX 0x03
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#define OSDMSG_GPS_STAT_FIX 0x2B
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#define OSDMSG_GPS_STAT_HB_FLAG 0x10
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static const char *UpdateConfFilePath = "/etosd/update.ocf";
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#ifdef DUMP_CONFIG
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static const char *DumpConfFilePath = "/etosd/dump.ocf";
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#endif
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//
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// Private types
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//
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//
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// Private variables
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//
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// | Header / cmd?| | V | | V | | LAT: 37 57.0000 | LONG: 24 00.4590 | | Hom<-179| Alt 545.4 m | |#sat|stat|
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// 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62
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uint8_t msg[63] =
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{ 0x03, 0x3F, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90, 0x0A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x09, 0x60, 0x10, 0x02, 0x00, 0x00, 0x90, 0x00,
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0x54, 0x54, 0x00, 0x00, 0x33, 0x28, 0x13, 0x00, 0x00, 0x08, 0x00, 0x00, 0x90, 0x0A };
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static volatile bool newPosData = FALSE;
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static volatile bool newBattData = FALSE;
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//
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// Private functions
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//
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static void WriteToMsg8(uint8_t index, uint8_t value)
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{
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if (value > 100)
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value = 100;
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msg[index] = ((value / 10) << 4) + (value % 10);
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}
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static void WriteToMsg16(uint8_t index, uint16_t value)
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{
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WriteToMsg8(index, value % 100);
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WriteToMsg8(index + 1, value / 100);
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}
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static void WriteToMsg24(uint8_t index, uint32_t value)
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{
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WriteToMsg16(index, value % 10000);
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WriteToMsg8(index + 2, value / 10000);
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}
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static void WriteToMsg32(uint8_t index, uint32_t value)
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{
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WriteToMsg16(index, value % 10000);
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WriteToMsg16(index + 2, value / 10000);
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}
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static void SetCoord(uint8_t index, float coord)
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{
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uint32_t deg = (uint32_t) coord;
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float sec = (coord - deg) * 60;
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WriteToMsg24(index, sec * 10000);
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WriteToMsg8(index + 3, deg);
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}
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static void SetCourse(uint16_t dir)
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{
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WriteToMsg16(OSDMSG_HOME_IDX, dir);
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}
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static void SetAltitude(uint32_t altitudeMeter)
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{
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WriteToMsg32(OSDMSG_ALT_IDX, altitudeMeter * 10);
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}
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static void SetVoltage(uint32_t milliVolt)
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{
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msg[OSDMSG_VA_MS_IDX] &= 0x0F;
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msg[OSDMSG_VA_MS_IDX] |= (milliVolt / 6444) << 4;
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msg[OSDMSG_V_LS_IDX] = (milliVolt % 6444) * 256 / 6444;
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}
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static void SetCurrent(uint32_t milliAmp)
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{
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uint32_t value = (milliAmp * 16570 / 1000000) + 0x7FA;
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msg[OSDMSG_VA_MS_IDX] &= 0xF0;
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msg[OSDMSG_VA_MS_IDX] |= ((value >> 8) & 0x0F);
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msg[OSDMSG_A_LS_IDX] = (value & 0xFF);
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}
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static void SetNbSats(uint8_t nb)
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{
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msg[OSDMSG_NB_SATS] = nb;
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}
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static void FlightBatteryStateUpdatedCb(UAVObjEvent * ev)
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{
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newBattData = TRUE;
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}
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static void PositionActualUpdatedCb(UAVObjEvent * ev)
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{
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newPosData = TRUE;
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}
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static bool Read(uint32_t start, uint8_t length, uint8_t * buffer)
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{
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uint8_t cmd[5];
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const struct pios_i2c_txn txn_list[] = {
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{
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.addr = OSD_ADDRESS,
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.rw = PIOS_I2C_TXN_WRITE,
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.len = sizeof(cmd),
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.buf = cmd,
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}
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,
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{
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.addr = OSD_ADDRESS,
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.rw = PIOS_I2C_TXN_READ,
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.len = length,
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.buf = buffer,
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}
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,
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};
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cmd[0] = 0x02;
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cmd[1] = 0x05;
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cmd[2] = (uint8_t) (start & 0xFF);
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cmd[3] = (uint8_t) (start >> 8);
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cmd[4] = length;
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return PIOS_I2C_Transfer(PIOS_I2C_MAIN_ADAPTER, txn_list, NELEMENTS(txn_list));
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}
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static bool Write(uint32_t start, uint8_t length, const uint8_t * buffer)
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{
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uint8_t cmd[125];
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uint8_t ack[3];
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const struct pios_i2c_txn txn_list1[] = {
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{
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.addr = OSD_ADDRESS,
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.rw = PIOS_I2C_TXN_WRITE,
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.len = sizeof(cmd),
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.buf = cmd,
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}
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,
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{
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.addr = OSD_ADDRESS,
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.rw = PIOS_I2C_TXN_READ,
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.len = sizeof(ack),
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.buf = ack,
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}
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,
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};
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if (length + 5 > sizeof(cmd)) {
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// Too big
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return FALSE;
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}
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cmd[0] = 0x01;
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cmd[1] = 0x7D;
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cmd[2] = (uint8_t) (start & 0xFF);
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cmd[3] = (uint8_t) (start >> 8);
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cmd[4] = length;
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memcpy(&cmd[5], buffer, length);
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ack[0] = 0;
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if (PIOS_I2C_Transfer(PIOS_I2C_MAIN_ADAPTER, txn_list1, NELEMENTS(txn_list1))) {
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//DEBUG_MSG("ACK=%d ", ack[0]);
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if (ack[0] == 49) {
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return TRUE;
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}
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}
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return FALSE;
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}
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static uint32_t ReadSwVersion(void)
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{
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uint8_t buf[4];
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uint32_t version = 0;
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if (Read(0, 4, buf)) {
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version = (buf[0] - '0') * 100;
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version += (buf[2] - '0') * 10;
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version += (buf[3] - '0');
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}
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return version;
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}
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static void UpdateConfig(void)
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{
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uint8_t buf[120];
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uint32_t addr = 0;
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uint32_t n;
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FILEINFO file;
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uint32_t res;
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// Try to open the file that contains a new config
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res = DFS_OpenFile(&PIOS_SDCARD_VolInfo, (uint8_t *) UpdateConfFilePath, DFS_READ, PIOS_SDCARD_Sector, &file);
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if (res == DFS_OK) {
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uint32_t bytesRead;
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bool ok = TRUE;
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DEBUG_MSG("Updating Config ");
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// Write the config-data in blocks to OSD
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while (addr < CONFIG_LENGTH && ok) {
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n = MIN(CONFIG_LENGTH - addr, sizeof(buf));
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res = DFS_ReadFile(&file, PIOS_SDCARD_Sector, buf, &bytesRead, n);
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if (res == DFS_OK && bytesRead == n) {
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ok = Write(addr, n, buf);
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if (ok) {
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//DEBUG_MSG(" %d %d\n", addr, n);
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DEBUG_MSG(".");
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addr += n;
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}
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}
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}
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DEBUG_MSG(ok ? " OK\n" : "FAILURE\n");
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// If writing is OK, read the data back and verify
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if (ok) {
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DEBUG_MSG("Verify Config ");
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DFS_Seek(&file, 0, PIOS_SDCARD_Sector);
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addr = 0;
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while (addr < CONFIG_LENGTH && ok) {
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// First half of the buffer is used to store the data read from the OSD, the second half will contain the data from the file
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n = MIN(CONFIG_LENGTH - addr, sizeof(buf) / 2);
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ok = Read(addr, n, buf);
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if (ok) {
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uint32_t bytesRead;
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res = DFS_ReadFile(&file, PIOS_SDCARD_Sector, buf + sizeof(buf) / 2, &bytesRead, n);
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if (res == DFS_OK && bytesRead == n) {
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DEBUG_MSG(".");
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addr += n;
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if (memcmp(buf, buf + sizeof(buf) / 2, n) != 0) {
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DEBUG_MSG(" MISMATCH ");
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ok = FALSE;
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}
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}
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}
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}
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DEBUG_MSG(ok ? " OK\n" : "FAILURE\n");
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}
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DFS_Close(&file);
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// When the config was updated correctly, remove the config-file
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if (ok) {
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DFS_UnlinkFile(&PIOS_SDCARD_VolInfo, (uint8_t *) UpdateConfFilePath, PIOS_SDCARD_Sector);
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}
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}
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}
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static void DumpConfig(void)
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{
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#ifdef DUMP_CONFIG
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uint8_t buf[100];
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uint32_t addr = 0;
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uint32_t n;
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FILEINFO file;
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uint32_t res;
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DEBUG_MSG("Dumping Config ");
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res = DFS_OpenFile(&PIOS_SDCARD_VolInfo, (uint8_t *) DumpConfFilePath, DFS_WRITE, PIOS_SDCARD_Sector, &file);
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if (res == DFS_OK) {
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uint32_t bytesWritten;
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bool ok = TRUE;
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while (addr < CONFIG_LENGTH && ok) {
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n = MIN(CONFIG_LENGTH - addr, sizeof(buf));
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ok = Read(addr, n, buf);
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if (ok) {
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res = DFS_WriteFile(&file, PIOS_SDCARD_Sector, buf, &bytesWritten, n);
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if (res == DFS_OK && bytesWritten == n) {
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//DEBUG_MSG(" %d %d\n", addr, n);
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DEBUG_MSG(".");
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addr += n;
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}
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}
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}
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DEBUG_MSG(ok ? " OK\n" : "FAILURE\n");
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DFS_Close(&file);
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} else {
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DEBUG_MSG("Error Opening File %x\n", res);
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}
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#endif
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}
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static void Task(void *parameters)
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{
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uint32_t cnt = 0;
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uint32_t version = 0;
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#ifdef ENABLE_DEBUG_MSG
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PIOS_COM_ChangeBaud(DEBUG_PORT, 57600);
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#endif
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PositionActualConnectCallback(PositionActualUpdatedCb);
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FlightBatteryStateConnectCallback(FlightBatteryStateUpdatedCb);
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DEBUG_MSG("OSD ET Std\n");
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version = ReadSwVersion();
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DEBUG_MSG("SW: %d\n", version);
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if (version != 115) {
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DEBUG_MSG("INVALID SW VERSION\n");
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return;
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}
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UpdateConfig();
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DumpConfig();
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while (1) {
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//DEBUG_MSG("%d\n\r", cnt);
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#if 1
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if (newBattData) {
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FlightBatteryStateData flightBatteryData;
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FlightBatteryStateGet(&flightBatteryData);
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//DEBUG_MSG("%5d Batt: V=%dmV\n\r", cnt, (uint32_t)(flightBatteryData.Voltage*1000));
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SetVoltage((uint32_t) (flightBatteryData.Voltage * 1000));
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SetCurrent((uint32_t) (flightBatteryData.Current * 1000));
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newBattData = FALSE;
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}
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if (newPosData) {
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PositionActualData positionData;
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PositionActualGet(&positionData);
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//DEBUG_MSG("%5d Pos: #stat=%d #sats=%d alt=%d\n\r", cnt,
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// positionData.Status, positionData.Satellites, (uint32_t)positionData.Altitude);
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// GPS Status
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if (positionData.Status == POSITIONACTUAL_STATUS_FIX3D)
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msg[OSDMSG_GPS_STAT] = OSDMSG_GPS_STAT_FIX;
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else
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msg[OSDMSG_GPS_STAT] = OSDMSG_GPS_STAT_NOFIX;
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msg[OSDMSG_GPS_STAT] |= OSDMSG_GPS_STAT_HB_FLAG;
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// GPS info
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SetCoord(OSDMSG_LAT_IDX, positionData.Latitude);
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SetCoord(OSDMSG_LON_IDX, positionData.Longitude);
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SetAltitude(positionData.Altitude);
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SetNbSats(positionData.Satellites);
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SetCourse(positionData.Heading);
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newPosData = FALSE;
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} else {
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msg[OSDMSG_GPS_STAT] &= ~OSDMSG_GPS_STAT_HB_FLAG;
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}
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#endif
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//DEBUG_MSG("SendMsg .");
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{
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const struct pios_i2c_txn txn_list[] = {
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{
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.addr = OSD_ADDRESS,
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.rw = PIOS_I2C_TXN_WRITE,
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.len = sizeof(msg),
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.buf = msg,
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}
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,
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};
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PIOS_I2C_Transfer(PIOS_I2C_MAIN_ADAPTER, txn_list, NELEMENTS(txn_list));
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}
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//DEBUG_MSG("\n\r");
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cnt++;
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vTaskDelay(100 / portTICK_RATE_MS);
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}
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}
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//
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// Public functions
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//
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/**
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* Initialise the module
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* \return -1 if initialisation failed
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* \return 0 on success
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*/
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int32_t OsdEtStdInitialize(void)
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{
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// Start gps task
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xTaskCreate(Task, (signed char *)"Osd", STACK_SIZE, NULL, TASK_PRIORITY, NULL);
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return 0;
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}
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