0,0 → 1,487 |
/*#######################################################################################*/ |
/* !!! THIS IS NOT FREE SOFTWARE !!! */ |
/*#######################################################################################*/ |
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
// + Copyright (c) 2008 Ingo Busker, Holger Buss |
// + Nur für den privaten Gebrauch / NON-COMMERCIAL USE ONLY |
// + FOR NON COMMERCIAL USE ONLY |
// + www.MikroKopter.com |
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
// + Es gilt für das gesamte Projekt (Hardware, Software, Binärfiles, Sourcecode und Dokumentation), |
// + dass eine Nutzung (auch auszugsweise) nur für den privaten (nicht-kommerziellen) Gebrauch zulässig ist. |
// + Sollten direkte oder indirekte kommerzielle Absichten verfolgt werden, ist mit uns (info@mikrokopter.de) Kontakt |
// + bzgl. der Nutzungsbedingungen aufzunehmen. |
// + Eine kommerzielle Nutzung ist z.B.Verkauf von MikroKoptern, Bestückung und Verkauf von Platinen oder Bausätzen, |
// + Verkauf von Luftbildaufnahmen, usw. |
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
// + Werden Teile des Quellcodes (mit oder ohne Modifikation) weiterverwendet oder veröffentlicht, |
// + unterliegen sie auch diesen Nutzungsbedingungen und diese Nutzungsbedingungen incl. Copyright müssen dann beiliegen |
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
// + Sollte die Software (auch auszugesweise) oder sonstige Informationen des MikroKopter-Projekts |
// + auf anderen Webseiten oder sonstigen Medien veröffentlicht werden, muss unsere Webseite "http://www.mikrokopter.de" |
// + eindeutig als Ursprung verlinkt werden |
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
// + Keine Gewähr auf Fehlerfreiheit, Vollständigkeit oder Funktion |
// + Benutzung auf eigene Gefahr |
// + Wir übernehmen keinerlei Haftung für direkte oder indirekte Personen- oder Sachschäden |
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
// + Die Portierung oder Nutzung der Software (oder Teile davon) auf andere Systeme (ausser der Hardware von www.mikrokopter.de) ist nur |
// + mit unserer Zustimmung zulässig |
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
// + Die Funktion printf_P() unterliegt ihrer eigenen Lizenz und ist hiervon nicht betroffen |
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
// + Redistributions of source code (with or without modifications) must retain the above copyright notice, |
// + this list of conditions and the following disclaimer. |
// + * Neither the name of the copyright holders nor the names of contributors may be used to endorse or promote products derived |
// + from this software without specific prior written permission. |
// + * The use of this project (hardware, software, binary files, sources and documentation) is only permitted |
// + for non-commercial use (directly or indirectly) |
// + Commercial use (for excample: selling of MikroKopters, selling of PCBs, assembly, ...) is only permitted |
// + with our written permission |
// + * If sources or documentations are redistributet on other webpages, out webpage (http://www.MikroKopter.de) must be |
// + clearly linked as origin |
// + * porting the sources to other systems or using the software on other systems (except hardware from www.mikrokopter.de) is not allowed |
// |
// + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
// + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
// + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
// + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
// + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
// + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
// + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
// + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
// + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
// + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
// + POSSIBILITY OF SUCH DAMAGE. |
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
|
#include <string.h> |
#include "91x_lib.h" |
#include "led.h" |
#include "GPS.h" |
#include "uart1.h" |
#include "spi_slave.h" |
#include "i2c.h" |
#include "timer1.h" |
#include "timer2.h" |
#include "config.h" |
#include "main.h" |
#include "fifo.h" |
|
|
#define SPI_RXSYNCBYTE1 0xAA |
#define SPI_RXSYNCBYTE2 0x83 |
#define SPI_TXSYNCBYTE1 0x81 |
#define SPI_TXSYNCBYTE2 0x55 |
|
typedef enum |
{ |
SPI_SYNC1, |
SPI_SYNC2, |
SPI_DATA |
} SPI_State_t; |
|
//communication packets |
volatile FromFlightCtrl_t FromFlightCtrl; |
volatile ToFlightCtrl_t ToFlightCtrl; |
#define SPI0_TIMEOUT 500 // 500ms |
volatile u32 SPI0_Timeout = 0; |
|
// tx packet buffer |
#define SPI_TXBUFFER_LEN (2 + sizeof(ToFlightCtrl)) // 2 bytes at start are for synchronization |
volatile u8 SPI_TxBuffer[SPI_TXBUFFER_LEN]; |
volatile u8 SPI_TxBufferIndex = 0; |
u8 *Ptr_TxChksum = NULL ; // pointer to checksum in TxBuffer |
|
// rx packet buffer |
#define SPI_RXBUFFER_LEN sizeof(FromFlightCtrl) |
volatile u8 SPI_RxBuffer[SPI_RXBUFFER_LEN]; |
volatile u8 SPI_RxBufferIndex = 0; |
volatile u8 SPI_RxBuffer_Request = 0; |
#define SPI_COMMAND_INDEX 0 |
|
s32 Kalman_K = 32; |
s32 Kalman_MaxDrift = 5 * 16; |
s32 Kalman_MaxFusion = 64; |
s32 ToFcGpsZ = 0; |
|
u8 SPI_CommandSequence[] = { SPI_KALMAN }; |
u8 SPI_CommandCounter = 0; |
|
SPI_Version_t FC_Version; |
|
u8 CompassCalStateQueue[10]; |
fifo_t CompassCalcStateFiFo; |
|
u8 CompassCalState = 0; |
|
//-------------------------------------------------------------- |
void SSP0_IRQHandler(void) |
{ |
static u8 rxchksum = 0; |
u8 rxdata; |
static SPI_State_t SPI_State = SPI_SYNC1; |
|
// clear pending bits |
SSP_ClearITPendingBit(SSP0, SSP_IT_RxTimeOut); |
SSP_ClearITPendingBit(SSP0, SSP_IT_RxFifo); |
/* |
// Fill TxFIFO while its not full or end of packet is reached |
while (SSP_GetFlagStatus(SSP0, SSP_FLAG_TxFifoNotFull) == SET) |
{ |
if (SPI_TxBufferIndex < SPI_TXBUFFER_LEN) // still data to send ? |
{ |
SSP0->DR = SPI_TxBuffer[SPI_TxBufferIndex]; // send a byte |
*Ptr_TxChksum += SPI_TxBuffer[SPI_TxBufferIndex]; // update checksum |
SPI_TxBufferIndex++; // pointer to next byte |
} |
else // TxBuffer end is reached then reset and copy data to tx buffer |
{ |
SPI_TxBufferIndex = 0; // reset buffer index |
ToFlightCtrl.Chksum = 0; // initialize checksum |
ToFlightCtrl.BeepTime = BeepTime; // set beeptime |
BeepTime = 0; // reset local beeptime |
// copy contents of ToFlightCtrl->SPI_TxBuffer |
memcpy( (u8 *) &(SPI_TxBuffer[2]), (u8 *) &ToFlightCtrl, sizeof(ToFlightCtrl)); |
} |
} |
*/ |
// while RxFIFO not empty |
while (SSP_GetFlagStatus(SSP0, SSP_FLAG_RxFifoNotEmpty) == SET) |
{ |
rxdata = SSP0->DR; // catch the received byte |
// Fill TxFIFO while its not full or end of packet is reached |
while (SSP_GetFlagStatus(SSP0, SSP_FLAG_TxFifoNotFull) == SET) |
{ |
if (SPI_TxBufferIndex < SPI_TXBUFFER_LEN) // still data to send ? |
{ |
SSP0->DR = SPI_TxBuffer[SPI_TxBufferIndex]; // send a byte |
*Ptr_TxChksum += SPI_TxBuffer[SPI_TxBufferIndex]; // update checksum |
SPI_TxBufferIndex++; // pointer to next byte |
} |
else // end of packet is reached reset and copy data to tx buffer |
{ |
SPI_TxBufferIndex = 0; // reset buffer index |
ToFlightCtrl.Chksum = 0; // initialize checksum |
ToFlightCtrl.BeepTime = BeepTime; // set beeptime |
BeepTime = 0; // reset local beeptime |
// copy contents of ToFlightCtrl->SPI_TxBuffer |
memcpy((u8 *) &(SPI_TxBuffer[2]), (u8 *) &ToFlightCtrl, sizeof(ToFlightCtrl)); |
} |
} |
switch (SPI_State) |
{ |
case SPI_SYNC1: |
SPI_RxBufferIndex = 0; // reset buffer index |
rxchksum = rxdata; // init checksum |
if (rxdata == SPI_RXSYNCBYTE1) |
{ // 1st syncbyte ok |
SPI_State = SPI_SYNC2; // step to sync2 |
} |
break; |
case SPI_SYNC2: |
if (rxdata == SPI_RXSYNCBYTE2) |
{ // 2nd Syncbyte ok |
rxchksum += rxdata; |
SPI_State = SPI_DATA; |
} // 2nd Syncbyte does not match |
else |
{ |
SPI_State = SPI_SYNC1; //jump back to sync1 |
} |
break; |
case SPI_DATA: |
SPI_RxBuffer[SPI_RxBufferIndex++]= rxdata; // copy databyte to rx buffer |
if (SPI_RxBufferIndex >= SPI_RXBUFFER_LEN) // end of packet is reached |
{ |
if (rxdata == rxchksum) // verify checksum byte |
{ |
// copy SPI_RxBuffer -> FromFlightCtrl |
if(!SPI_RxBuffer_Request) // block writing to FromFlightCtrl on reading access |
{ |
memcpy((u8 *) &FromFlightCtrl, (u8 *) SPI_RxBuffer, sizeof(FromFlightCtrl)); |
SPI_RxBuffer_Request = 1; |
} |
// reset timeout counter on good packet |
SPI0_Timeout = SetDelay(SPI0_TIMEOUT); |
DebugOut.Analog[13]++; |
} |
else // bad checksum byte |
{ |
DebugOut.Analog[12]++; // increase SPI chksum error counter |
} |
SPI_State = SPI_SYNC1; // reset state |
} |
else // end of packet not reached |
{ |
rxchksum += rxdata; // update checksum |
} |
break; |
default: |
SPI_State = SPI_SYNC1; |
break; |
} |
} |
} |
|
//-------------------------------------------------------------- |
void SPI0_Init(void) |
{ |
GPIO_InitTypeDef GPIO_InitStructure; |
SSP_InitTypeDef SSP_InitStructure; |
|
UART1_PutString("\r\n SPI init..."); |
|
SCU_APBPeriphClockConfig(__GPIO2 ,ENABLE); |
SCU_APBPeriphClockConfig(__SSP0 ,ENABLE); |
|
GPIO_DeInit(GPIO2); |
//SSP0_CLK, SSP0_MOSI, SSP0_NSS pins |
GPIO_StructInit(&GPIO_InitStructure); |
GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_7; |
GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
GPIO_InitStructure.GPIO_IPConnected = GPIO_IPConnected_Enable; |
GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; //SSP0_SCLK, SSP0_MOSI, SSP0_NSS |
GPIO_Init (GPIO2, &GPIO_InitStructure); |
|
// SSP0_MISO pin GPIO2.6 |
GPIO_StructInit(&GPIO_InitStructure); |
GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput; |
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6; |
GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
GPIO_InitStructure.GPIO_IPConnected = GPIO_IPConnected_Enable; |
GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt2; //SSP0_MISO |
GPIO_Init (GPIO2, &GPIO_InitStructure); |
|
SSP_DeInit(SSP0); |
SSP_StructInit(&SSP_InitStructure); |
SSP_InitStructure.SSP_FrameFormat = SSP_FrameFormat_Motorola; |
SSP_InitStructure.SSP_Mode = SSP_Mode_Slave; |
SSP_InitStructure.SSP_SlaveOutput = SSP_SlaveOutput_Enable; |
SSP_InitStructure.SSP_CPHA = SSP_CPHA_1Edge; |
SSP_InitStructure.SSP_CPOL = SSP_CPOL_Low; |
SSP_InitStructure.SSP_ClockRate = 0; |
|
SSP_Init(SSP0, &SSP_InitStructure); |
|
//SSP_ITConfig(SSP0, SSP_IT_RxFifo | SSP_IT_TxFifo | SSP_IT_RxTimeOut, ENABLE); |
SSP_ITConfig(SSP0, SSP_IT_RxFifo | SSP_IT_RxTimeOut, ENABLE); |
|
|
fifo_init(&CompassCalcStateFiFo, CompassCalStateQueue, sizeof(CompassCalStateQueue)); |
|
SSP_Cmd(SSP0, ENABLE); |
// initialize the syncbytes in the tx buffer |
SPI_TxBuffer[0] = SPI_TXSYNCBYTE1; |
SPI_TxBuffer[1] = SPI_TXSYNCBYTE2; |
// set the pointer to the checksum byte in the tx buffer |
Ptr_TxChksum = (u8 *) &(((ToFlightCtrl_t *) &(SPI_TxBuffer[2]))->Chksum); |
|
VIC_Config(SSP0_ITLine, VIC_IRQ, PRIORITY_SPI0); |
VIC_ITCmd(SSP0_ITLine, ENABLE); |
|
SPI0_Timeout = SetDelay(4*SPI0_TIMEOUT); |
|
UART1_PutString("ok"); |
} |
|
//------------------------------------------------------ |
void SPI0_UpdateBuffer(void) |
{ |
static u32 timeout = 0; |
static u8 counter = 50; |
|
if (SPI_RxBuffer_Request) |
{ |
// avoid sending data via SPI during the update of the ToFlightCtrl structure |
VIC_ITCmd(SSP0_ITLine, DISABLE); // disable SPI interrupt |
|
ToFlightCtrl.CompassHeading = I2C_Heading.Heading; |
ToFlightCtrl.GPS_Nick = GPS_Stick.Nick; |
ToFlightCtrl.GPS_Roll = GPS_Stick.Roll; |
ToFlightCtrl.GPS_Yaw = GPS_Stick.Yaw; |
// cycle spi commands |
ToFlightCtrl.Command = SPI_CommandSequence[SPI_CommandCounter++]; |
// restart command cycle at the end |
if (SPI_CommandCounter >= sizeof(SPI_CommandSequence)) SPI_CommandCounter = 0; |
|
switch (ToFlightCtrl.Command) |
{ |
case SPI_KALMAN: |
ToFlightCtrl.Param.sByte[0] = (s8) Kalman_K; |
ToFlightCtrl.Param.sByte[1] = (s8) Kalman_MaxFusion; |
ToFlightCtrl.Param.sByte[2] = (s8) Kalman_MaxDrift; |
ToFlightCtrl.Param.Byte[3] = (u8) SerialLinkOkay; |
ToFlightCtrl.Param.sByte[4] = (s8) ToFcGpsZ; |
break; |
|
default: |
break; |
} |
VIC_ITCmd(SSP0_ITLine, ENABLE); // enable SPI interrupt |
|
|
switch(FromFlightCtrl.Command) |
{ |
case SPI_CMD_USER: |
Parameter.User1 = FromFlightCtrl.Param.Byte[0]; |
Parameter.User2 = FromFlightCtrl.Param.Byte[1]; |
Parameter.User3 = FromFlightCtrl.Param.Byte[2]; |
Parameter.User4 = FromFlightCtrl.Param.Byte[3]; |
Parameter.User5 = FromFlightCtrl.Param.Byte[4]; |
Parameter.User6 = FromFlightCtrl.Param.Byte[5]; |
Parameter.User7 = FromFlightCtrl.Param.Byte[6]; |
Parameter.User8 = FromFlightCtrl.Param.Byte[7]; |
if(ClearMKFlags) |
{ |
FC.MKFlags = 0; |
ClearMKFlags = 0; |
} |
FC.MKFlags |= FromFlightCtrl.Param.Byte[8]; |
FC.UBat = FromFlightCtrl.Param.Byte[9]; |
Parameter.LowVoltageWarning = FromFlightCtrl.Param.Byte[10]; |
Parameter.ActiveSetting = FromFlightCtrl.Param.Byte[11]; |
DebugOut.Analog[5] = FC.MKFlags; |
break; |
|
#define CHK_POTI_MM(b,a,min,max) { if(a > 250) { if(a == 251) b = FC.Poti1; else if(a == 252) b = FC.Poti2; else if(a == 253) b = FC.Poti3; else if(a == 254) b = FC.Poti4;} else b = a; if(b <= min) b = min; else if(b >= max) b = max;} |
case SPI_CMD_PARAMETER1: |
CHK_POTI_MM(Parameter.NaviGpsModeControl,FromFlightCtrl.Param.Byte[0],0,255); |
CHK_POTI_MM(Parameter.NaviGpsGain,FromFlightCtrl.Param.Byte[1],0,255); |
CHK_POTI_MM(Parameter.NaviGpsP,FromFlightCtrl.Param.Byte[2],0,255); |
CHK_POTI_MM(Parameter.NaviGpsI,FromFlightCtrl.Param.Byte[3],0,255); |
CHK_POTI_MM(Parameter.NaviGpsD,FromFlightCtrl.Param.Byte[4],0,255); |
CHK_POTI_MM(Parameter.NaviGpsACC,FromFlightCtrl.Param.Byte[5],0,255); |
Parameter.NaviGpsMinSat = FromFlightCtrl.Param.Byte[6]; |
Parameter.NaviStickThreshold = FromFlightCtrl.Param.Byte[7]; |
CHK_POTI_MM(Parameter.NaviOperatingRadius,FromFlightCtrl.Param.Byte[8],0,255); |
CHK_POTI_MM(Parameter.NaviWindCorrection,FromFlightCtrl.Param.Byte[9],0,255); |
CHK_POTI_MM(Parameter.NaviSpeedCompensation,FromFlightCtrl.Param.Byte[10],0,255); |
CHK_POTI_MM(Parameter.NaviAngleLimitation,FromFlightCtrl.Param.Byte[11],0,255); |
break; |
|
case SPI_CMD_STICK: |
FC.StickGas = FromFlightCtrl.Param.sByte[0]; |
FC.StickYaw = FromFlightCtrl.Param.sByte[1]; |
FC.StickRoll = FromFlightCtrl.Param.sByte[2]; |
FC.StickNick = FromFlightCtrl.Param.sByte[3]; |
FC.Poti1 = FromFlightCtrl.Param.Byte[4]; |
FC.Poti2 = FromFlightCtrl.Param.Byte[5]; |
FC.Poti3 = FromFlightCtrl.Param.Byte[6]; |
FC.Poti4 = FromFlightCtrl.Param.Byte[7]; |
FC.RC_Quality = FromFlightCtrl.Param.Byte[8]; |
FC.RC_RSSI = FromFlightCtrl.Param.Byte[9]; |
NaviData.Gas = (FC.UBat * (u32) FromFlightCtrl.Param.Byte[10]) / (u32) Parameter.LowVoltageWarning; |
break; |
|
case SPI_CMD_MISC: |
if(CompassCalState != FromFlightCtrl.Param.Byte[0]) |
{ // put only new CompassCalState into queue to send via I2C |
CompassCalState = FromFlightCtrl.Param.Byte[0]; |
fifo_put(&CompassCalcStateFiFo, CompassCalState); |
} |
Parameter.NaviPH_LoginTime = FromFlightCtrl.Param.Byte[1]; |
NaviData.Variometer = (NaviData.Variometer + 2 * ((s16) FromFlightCtrl.Param.Int[1] - NaviData.Altimeter)) / 2; // provisorisch |
NaviData.Altimeter = (s16) FromFlightCtrl.Param.Int[1]; // is located at byte 2 and 3 |
NaviData.SetpointAltitude = (s16) FromFlightCtrl.Param.Int[2]; // is located at byte 4 and 5 |
CHK_POTI_MM(Parameter.NaviGpsPLimit,FromFlightCtrl.Param.Byte[6],0,255); |
CHK_POTI_MM(Parameter.NaviGpsILimit,FromFlightCtrl.Param.Byte[7],0,255); |
CHK_POTI_MM(Parameter.NaviGpsDLimit,FromFlightCtrl.Param.Byte[8],0,255); |
break; |
|
case SPI_CMD_SERVOS: |
ServoParams.Refresh = FromFlightCtrl.Param.Byte[0]; |
ServoParams.CompInvert = FromFlightCtrl.Param.Byte[1]; |
ServoParams.NickControl = FromFlightCtrl.Param.Byte[2]; |
ServoParams.NickComp = FromFlightCtrl.Param.Byte[3]; |
ServoParams.NickMin = FromFlightCtrl.Param.Byte[4]; |
ServoParams.NickMax = FromFlightCtrl.Param.Byte[5]; |
ServoParams.RollControl = FromFlightCtrl.Param.Byte[6]; |
ServoParams.RollComp = FromFlightCtrl.Param.Byte[7]; |
ServoParams.RollMin = FromFlightCtrl.Param.Byte[8]; |
ServoParams.RollMax = FromFlightCtrl.Param.Byte[9]; |
break; |
|
case SPI_CMD_VERSION: |
FC_Version.Major = FromFlightCtrl.Param.Byte[0]; |
FC_Version.Minor = FromFlightCtrl.Param.Byte[1]; |
FC_Version.Patch = FromFlightCtrl.Param.Byte[2]; |
FC_Version.Compatible = FromFlightCtrl.Param.Byte[3]; |
FC_Version.Hardware = FromFlightCtrl.Param.Byte[4]; |
break; |
|
default: |
break; |
} |
|
// every time we got new data from the FC via SPI call the navigation routine |
GPS_Navigation(); |
ClearMKFlags = 1; |
|
if(counter) |
{ |
counter--; // count down to enable servo |
if(!counter) TIMER2_Init(); // enable Servo Output |
} |
|
SPI_RxBuffer_Request = 0; |
timeout = SetDelay(80); // 80 ms, new data are send every 20 ms |
|
DebugOut.Analog[0] = FromFlightCtrl.AngleNick; |
DebugOut.Analog[1] = FromFlightCtrl.AngleRoll; |
DebugOut.Analog[2] = FromFlightCtrl.AccNick; |
DebugOut.Analog[3] = FromFlightCtrl.AccRoll; |
DebugOut.Analog[11] = FromFlightCtrl.GyroHeading/10;// in deg |
Data3D.AngleNick = FromFlightCtrl.AngleNick; // in 0.1 deg |
Data3D.AngleRoll = FromFlightCtrl.AngleRoll; // in 0.1 deg |
Data3D.Heading = FromFlightCtrl.GyroHeading; // in 0.1 deg |
} // EOF if(SPI_RxBuffer_Request) |
else // no new SPI data |
{ |
if(CheckDelay(timeout) && (counter == 0)) |
{ |
TIMER2_Deinit(); // disable Servo Output |
counter = 50; // reset counter for enabling Servo Output |
} |
} |
} |
|
//------------------------------------------------------ |
void SPI0_GetFlightCtrlVersion(void) |
{ |
u32 timeout; |
u8 repeat; |
u8 msg[64]; |
|
UART1_PutString("\r\n Getting Version from FC"); |
FC_Version.Major = 0xFF; |
FC_Version.Minor = 0xFF; |
FC_Version.Patch = 0xFF; |
FC_Version.Compatible = 0xFF; |
|
// polling FC version info |
repeat = 0; |
do |
{ |
timeout = SetDelay(250); |
do |
{ |
SPI0_UpdateBuffer(); |
if (FC_Version.Major != 0xFF) break; |
}while (!CheckDelay(timeout)); |
UART1_PutString("."); |
repeat++; |
}while((FC_Version.Major == 0xFF) && (repeat < 40)); // 40*250ms = 10s |
// if we got it |
if (FC_Version.Major != 0xFF) |
{ |
sprintf(msg, "\n\r FlightCtrl V%d.%d%c HW:%d.%d", FC_Version.Major, FC_Version.Minor, 'a'+FC_Version.Patch, FC_Version.Hardware/10,FC_Version.Hardware%10); |
UART1_PutString(msg); |
sprintf(msg, " Compatible: %d", FC_Version.Compatible); |
UART1_PutString(msg); |
} |
else UART1_PutString("\n\r No version information from FlightCtrl."); |
} |
|
|