void LED_UP(void) //LED点亮
{
P0DIR &= ~0X80; //set p0.7 output
LED3_ON();
//P0DIR |= 0X80; //关闭GPIO
}
void ButtonRightHandler(void)
{
if (system_GetState() == SYSTEM_CALIB_SENSOR)
{
switch(IR_Calib_Step)
{
case 0:
LED1_ON();
LED2_OFF();
LED3_OFF();
IR_set_calib_value(IR_CALIB_BASE_LEFT);
IR_set_calib_value(IR_CALIB_BASE_RIGHT);
break;
case 1:
IR_set_calib_value(IR_CALIB_BASE_FRONT_LEFT);
IR_set_calib_value(IR_CALIB_BASE_FRONT_RIGHT);
LED1_OFF();
LED2_ON();
LED3_OFF();
break;
case 2:
IR_set_calib_value(IR_CALIB_MAX_LEFT);
LED1_ON();
LED2_ON();
LED3_OFF();
break;
case 3:
IR_set_calib_value(IR_CALIB_MAX_RIGHT);
LED1_OFF();
LED2_OFF();
LED3_ON();
break;
case 4:
IR_set_calib_value(IR_CALIB_MAX_FRONT_LEFT);
IR_set_calib_value(IR_CALIB_MAX_FRONT_RIGHT);
LED1_ON();
LED2_OFF();
LED3_ON();
break;
}
IR_Calib_Step++;
IR_Calib_Step %= 4;
}
}
void system_Process_System_State(void)
{
switch (system_GetState())
{
case SYSTEM_POWER_UP:
break;
case SYSTEM_INITIALIZE:
break;
case SYSTEM_CALIB_SENSOR:
break;
case SYSTEM_SAVE_CALIB_SENSOR:
break;
case SYSTEM_ESTIMATE_MOTOR_MODEL:
ProcessSpeedControl();
break;
case SYSTEM_SAVE_MOTOR_MODEL:
break;
case SYSTEM_WAIT_TO_RUN:
break;
case SYSTEM_RUN_SOLVE_MAZE:
pid_Wallfollow_process();
ProcessSpeedControl();
break;
case SYSTEM_RUN_IMAGE_PROCESSING:
LED1_ON();
ProcessSpeedControl();
break;
case SYSTEM_ERROR:
speed_Enable_Hbridge(false);
system_Enable_BoostCircuit(false);
IntMasterDisable();
while (1)
{
LED1_ON();
LED2_ON();
LED3_ON();
ROM_SysCtlDelay(ROM_SysCtlClockGet() / 3);
LED1_OFF();
LED2_OFF();
LED3_OFF();
ROM_SysCtlDelay(ROM_SysCtlClockGet() / 3);
}
// break;
}
}
void ButtonHandler(void)
{
switch (system_GetState())
{
case SYSTEM_INITIALIZE:
speed_Enable_Hbridge(false);
system_SetState(SYSTEM_CALIB_SENSOR);
IR_Calib_Step = 0;
LED1_ON();
LED2_ON();
LED3_ON();
break;
case SYSTEM_CALIB_SENSOR:
speed_Enable_Hbridge(false);
system_SetState(SYSTEM_SAVE_CALIB_SENSOR);
case SYSTEM_SAVE_CALIB_SENSOR:
system_SetState(SYSTEM_ESTIMATE_MOTOR_MODEL);
speed_Enable_Hbridge(true);
speed_set(MOTOR_LEFT,500);
speed_set(MOTOR_RIGHT, 500);
break;
case SYSTEM_ESTIMATE_MOTOR_MODEL:
// system_SetState(SYSTEM_SAVE_MOTOR_MODEL);
system_SetState(SYSTEM_WAIT_TO_RUN);
speed_Enable_Hbridge(false);
break;
case SYSTEM_WAIT_TO_RUN:
speed_Enable_Hbridge(true);
system_SetState(SYSTEM_RUN_SOLVE_MAZE);
break;
case SYSTEM_RUN_SOLVE_MAZE:
case SYSTEM_RUN_IMAGE_PROCESSING:
system_SetState(SYSTEM_WAIT_TO_RUN);
speed_Enable_Hbridge(false);
break;
default:
break;
}
}
void system_Process_System_State(void)
{
switch (system_GetState())
{
case SYSTEM_POWER_UP:
break;
case SYSTEM_INITIALIZE:
break;
case SYSTEM_ESTIMATE_MOTOR_MODEL:
break;
case SYSTEM_SAVE_MOTOR_MODEL:
break;
case SYSTEM_WAIT_TO_RUN:
break;
case SYSTEM_RUN_BALANCE:
loop();
break;
case SYSTEM_RUN_IMAGE_PROCESSING:
LED1_ON();
break;
case SYSTEM_ERROR:
speed_Enable_Hbridge(false);
system_Enable_BoostCircuit(false);
IntMasterDisable();
while (1)
{
LED1_ON();
LED2_ON();
LED3_ON();
ROM_SysCtlDelay(ROM_SysCtlClockGet() / 3);
LED1_OFF();
LED2_OFF();
LED3_OFF();
ROM_SysCtlDelay(ROM_SysCtlClockGet() / 3);
}
}
}
//*****************************************************************************
//
//! Control two motor to make robot turn back 180 degree.
//!
//! \param fwdPulse is the distance robot will go straight before turn right
//!, the robot will stand between the next cell of maze.
//! \param avrSpeedLeft is the speed of left motor.
//! \param avrSpeedRight is the speed of left motor.
//! \param NumPulse is the total pulse of two encoder after turn
//! \param resetEnc is the reset value for encoder after turning back
//! \return true if finish
//! false if not
//
static bool TurnBack(int fwdPulse, int avrSpeedLeft,int avrSpeedRight,int turnPulse,
int resetEnc)
{
LED1_ON();LED2_ON();LED3_ON();
switch (CtrlStep)
{
case 1:
{
posLeftTmp = qei_getPosLeft();
avrSpeedTmp = avrSpeed;
CtrlStep++;
}
case 2://go forward a litte bit
{
if (abs(qei_getPosLeft()-posLeftTmp)<fwdPulse)
{
avrSpeed = ((abs(fwdPulse + posLeftTmp - qei_getPosLeft()) / (fwdPulse / avrSpeedTmp)) / 2)
+ (abs(avrSpeedLeft) + abs(avrSpeedRight)) / 2;
if (isWallRight)
pid_wallfollow(leftError,rightError,avrSpeed,WALL_FOLLOW_RIGHT);
else if (isWallLeft)
pid_wallfollow(leftError,rightError,avrSpeed,WALL_FOLLOW_LEFT);
else
{
speed_set(MOTOR_RIGHT, avrSpeed);
speed_set(MOTOR_LEFT, avrSpeed);
}
}
else
{
pid_reset(&pid_wall_left);
pid_reset(&pid_wall_right);
forwardUpdate();
CtrlStep++;
avrSpeed = avrSpeedTmp;
}
break;
}
case 3:
posLeftTmp=qei_getPosLeft();
posRightTmp=qei_getPosRight();
CtrlStep++;
case 4://turing 90 degree
{
#ifdef TEST_TURNBACK_FWD
speed_Enable_Hbridge(false);
#endif
if ((abs(qei_getPosLeft()-posLeftTmp)+abs(qei_getPosRight()-posRightTmp))<turnPulse)
{
speed_set(MOTOR_RIGHT, avrSpeedRight);
speed_set(MOTOR_LEFT, avrSpeedLeft);
}
else
{
currentDir=(currentDir+3)%4;
CtrlStep++;
}
break;
}
case 5:
posLeftTmp=qei_getPosLeft();
posRightTmp=qei_getPosRight();
CtrlStep++;
case 6://turning another 90 degree
{
#ifdef TEST_TURNBACK_TURN1
speed_Enable_Hbridge(false);
#endif
if ((abs(qei_getPosLeft()-posLeftTmp)+abs(qei_getPosRight()-posRightTmp))<turnPulse)
{
speed_set(MOTOR_RIGHT, -avrSpeedLeft);
speed_set(MOTOR_LEFT, -avrSpeedRight);
}
else
{
#ifdef TEST_TURNBACK_TURN2
speed_Enable_Hbridge(false);
#endif
currentDir=(currentDir+3)%4;
clearPosition();
qei_setPosLeft(resetEnc);
qei_setPosRight(resetEnc);
forwardUpdate();
CtrlStep=1;
return true;
}
break;
}
}
return false;
}
static bool TurnRight(int fwdPulse,int avrSpeedLeft,int avrSpeedRight,int turnPulse,
int resetEnc)
{
static int vt,vp;
LED1_OFF();LED2_OFF();LED3_ON();
switch (CtrlStep)
{
case 1:
posLeftTmp=qei_getPosLeft();
CtrlStep=2;
vt=1;
vp=1;
avrSpeedTmp=avrSpeed;
case 2://go straight
if ((abs(qei_getPosLeft()-posLeftTmp)<fwdPulse) ||
(isWallFrontLeft && isWallFrontRight &&
(IR_GetIrDetectorValue(3)>IR_get_calib_value(IR_CALIB_BASE_FRONT_RIGHT))&&
(IR_GetIrDetectorValue(0)>IR_get_calib_value(IR_CALIB_BASE_FRONT_LEFT))))
{
if (qei_getPosLeft()<fwdPulse+posLeftTmp)
avrSpeed = ((abs(fwdPulse + posLeftTmp - qei_getPosLeft()) / (fwdPulse / avrSpeedTmp)) / 2)
+ (abs(avrSpeedLeft) + abs(avrSpeedRight)) / 2;
else
avrSpeed = (abs(avrSpeedLeft) + abs(avrSpeedRight)) / 2;
if (isWallLeft)
pid_wallfollow(leftError,rightError,avrSpeed,WALL_FOLLOW_LEFT);
else
{
speed_set(MOTOR_RIGHT, avrSpeed);
speed_set(MOTOR_LEFT, avrSpeed);
}
}
else
{
#ifdef TEST_TURNRIGHT_MOVE1
speed_Enable_Hbridge(false);
#endif
pid_reset(&pid_wall_left);
pid_reset(&pid_wall_right);
forwardUpdate();
CtrlStep++;
avrSpeed=avrSpeedTmp;
}
break;
case 3:
posLeftTmp=qei_getPosLeft();
posRightTmp=qei_getPosRight();
CtrlStep++;
case 4://turn 90 degree
if (abs(qei_getPosLeft()-posLeftTmp) + abs(qei_getPosRight()-posRightTmp) < turnPulse)
{
speed_set(MOTOR_LEFT, avrSpeedLeft);
speed_set(MOTOR_RIGHT, -avrSpeedRight);
if((abs(qei_getPosLeft()-posLeftTmp)>(turnPulse*0.8*vp/8)) && (vp<9))
{
if (avrSpeedLeft>=24)
avrSpeedLeft-=24;
vp++;
}
if((abs(qei_getPosRight()-posRightTmp)>(turnPulse*0.2*vt/8)) && (vt<9))
{
if (avrSpeedRight>=4)
avrSpeedRight-=4;
vt++;
}
}
else
{
#ifdef TEST_TURNRIGHT_TURN
speed_Enable_Hbridge(false);
#endif
currentDir=(currentDir+1)%4;
clearPosition();
qei_setPosLeft(resetEnc);
qei_setPosRight(resetEnc);
forwardUpdate();
CtrlStep=1;
pid_reset(&pid_wall_right);
pid_reset(&pid_wall_left);
speed_set(MOTOR_LEFT, avrSpeed);
speed_set(MOTOR_RIGHT, avrSpeed);
return true;
}
break;
}
return false;
}
//------------------------------------------------------------------------------
/// Application entry point. Configures the DBGU, PIT, TC0, LEDs and buttons
/// and makes LED\#1 blink in its infinite loop, using the Wait function.
/// \return Unused (ANSI-C compatibility).
//------------------------------------------------------------------------------
int main(void)
{
// DBGU configuration
TRACE_CONFIGURE(DBGU_STANDARD, 115200, BOARD_MCK);
TRACE_INFO_WP("\n\r");
TRACE_INFO("Getting new Started Project --\n\r");
TRACE_INFO("%s\n\r", BOARD_NAME);
TRACE_INFO("Compiled: %s %s --\n\r", __DATE__, __TIME__);
//Configure Reset Controller
AT91C_BASE_RSTC->RSTC_RMR= 0xa5<<24;
// Configure EMAC PINS
PIO_Configure(emacRstPins, PIO_LISTSIZE(emacRstPins));
// Execute reset
RSTC_SetExtResetLength(0xd);
RSTC_ExtReset();
// Wait for end hardware reset
while (!RSTC_GetNrstLevel());
TRACE_INFO("init Flash\n\r");
flash_init();
TRACE_INFO("init Timer\n\r");
// Configure timer 0
ticks=0;
extern void ISR_Timer0();
AT91C_BASE_PMC->PMC_PCER = (1 << AT91C_ID_TC0);
AT91C_BASE_TC0->TC_CCR = AT91C_TC_CLKDIS;
AT91C_BASE_TC0->TC_IDR = 0xFFFFFFFF;
AT91C_BASE_TC0->TC_SR;
AT91C_BASE_TC0->TC_CMR = AT91C_TC_CLKS_TIMER_DIV5_CLOCK | AT91C_TC_CPCTRG;
AT91C_BASE_TC0->TC_RC = 375;
AT91C_BASE_TC0->TC_IER = AT91C_TC_CPCS;
AIC_ConfigureIT(AT91C_ID_TC0, AT91C_AIC_PRIOR_LOWEST, ISR_Timer0);
AIC_EnableIT(AT91C_ID_TC0);
AT91C_BASE_TC0->TC_CCR = AT91C_TC_CLKEN | AT91C_TC_SWTRG;
// Configure timer 1
extern void ISR_Timer1();
AT91C_BASE_PMC->PMC_PCER = (1 << AT91C_ID_TC1);
AT91C_BASE_TC1->TC_CCR = AT91C_TC_CLKDIS; //Stop clock
AT91C_BASE_TC1->TC_IDR = 0xFFFFFFFF; //Disable Interrupts
AT91C_BASE_TC1->TC_SR; //Read Status register
AT91C_BASE_TC1->TC_CMR = AT91C_TC_CLKS_TIMER_DIV4_CLOCK | AT91C_TC_CPCTRG; // Timer1: 2,666us = 48MHz/128
AT91C_BASE_TC1->TC_RC = 0xffff;
AT91C_BASE_TC1->TC_IER = AT91C_TC_CPCS;
AIC_ConfigureIT(AT91C_ID_TC1, 1, ISR_Timer1);
AT91C_BASE_TC1->TC_CCR = AT91C_TC_CLKEN | AT91C_TC_SWTRG;
led_init();
TRACE_INFO("init EEprom\n\r");
eeprom_init();
rb_reset(&TTY_Rx_Buffer);
rb_reset(&TTY_Tx_Buffer);
input_handle_func = analyze_ttydata;
LED_OFF();
LED2_OFF();
LED3_OFF();
spi_init();
fht_init();
tx_init();
#ifdef HAS_ETHERNET
ethernet_init();
#endif
TRACE_INFO("init USB\n\r");
CDCDSerialDriver_Initialize();
USBD_Connect();
wdt_enable(WDTO_2S);
fastrf_on=0;
display_channel = DISPLAY_USB;
TRACE_INFO("init Complete\n\r");
checkFrequency();
// Main loop
while (1) {
CDC_Task();
Minute_Task();
RfAnalyze_Task();
#ifdef HAS_FASTRF
FastRF_Task();
#endif
#ifdef HAS_RF_ROUTER
rf_router_task();
#endif
#ifdef HAS_ASKSIN
rf_asksin_task();
#endif
#ifdef HAS_MORITZ
rf_moritz_task();
#endif
#ifdef HAS_RWE
rf_rwe_task();
#endif
#ifdef HAS_MBUS
rf_mbus_task();
#endif
#ifdef HAS_MAICO
rf_maico_task();
#endif
#ifdef HAS_ETHERNET
Ethernet_Task();
#endif
#ifdef DBGU_UNIT_IN
if(DBGU_IsRxReady()){
unsigned char volatile * const ram = (unsigned char *) AT91C_ISRAM;
unsigned char x;
x=DBGU_GetChar();
switch(x) {
case 'd':
puts("USB disconnect\n\r");
USBD_Disconnect();
break;
case 'c':
USBD_Connect();
puts("USB Connect\n\r");
break;
case 'r':
//Configure Reset Controller
AT91C_BASE_RSTC->RSTC_RMR=AT91C_RSTC_URSTEN | 0xa5<<24;
break;
case 'S':
USBD_Disconnect();
my_delay_ms(250);
my_delay_ms(250);
//Reset
*ram = 0xaa;
AT91C_BASE_RSTC->RSTC_RCR = AT91C_RSTC_PROCRST | AT91C_RSTC_PERRST | AT91C_RSTC_EXTRST | 0xA5<<24;
while (1);
break;
default:
rb_put(&TTY_Tx_Buffer, x);
}
}
#endif
if (USBD_GetState() == USBD_STATE_CONFIGURED) {
if( USBState == STATE_IDLE ) {
CDCDSerialDriver_Read(usbBuffer,
DATABUFFERSIZE,
(TransferCallback) UsbDataReceived,
0);
LED3_ON();
USBState=STATE_RX;
}
}
if( USBState == STATE_SUSPEND ) {
TRACE_INFO("suspend !\n\r");
USBState = STATE_IDLE;
}
if( USBState == STATE_RESUME ) {
TRACE_INFO("resume !\n\r");
USBState = STATE_IDLE;
}
}
}
//------------------------------------------------------------------------------
// Callbacks re-implementation
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
/// Invoked when the USB device leaves the Suspended state. By default,
/// configures the LEDs.
//------------------------------------------------------------------------------
void USBDCallbacks_Resumed(void)
{
LED3_ON();
USBState = STATE_RESUME;
}