Kommentar: Einfügen von HTML im Kommentar: Link einfügen: <a href="LINKURL" target="_blank">LINKTITEL</a> Bild einfügen: <img src="BILDURL"> Text formatieren: <b>fetter Text</b> <i>kursiver Text</i> <u>unterstrichener Text</u> Kombinationen sind auch möglich z.B.: <b><i>fetter & kursiver Text</i></b> C Quellcode formatieren: <code>Quellcode</code> BASIC Quellcode formatieren: <basic>Quellcode</basic> (Innerhalb eines Quellcodeabschnitts ist kein html möglich.) Wichtig: Bitte mache Zeilenumbrüche, bevor Du am rechten Rand des Eingabefeldes ankommst ! -> I > Hi all, > > For only 3 Euros I bought a simple IR remote control in a department store. With it I made a remote > control for the robot and a wealth of possibilities opened for me. The IR sensor of the robot is so > sensitive that the robot can be controlled over a distance of at least 7 meters from any (!) direction. > I think this is a possibility every Pro-bot owner should have. Though the solution is quite simple, it cost > me a lot of time to realize it and therefore I want to share what I made. > > The RC transmitter I bought is programmable. With help of the manual and a lot of trial and error I > found a setting that uses the required RC-5 Philips protocol. The transmitter has 6 buttons and a switch > for TV or Satellite control. So 12 commands should be possible. In practice, there were only 11. > > There is an example of an IR receiver in the collection C-Control Pro Demos. However this approach is > not suitable for the robot because it takes to much processor time. Every time RC5_Read() is called in > the loop, 130 ms is used, even when there is no IR signal. It is much more efficient to call RC5_Read() > only after an interrupt that is triggered by the IR-sensor at the beginning of a signal. I used the following > program. > > #define TSOP 26 > > byte NewCommand; > word KeyCode, RC_Code, OldRC_Code, DeviceCode; > > void main(void) > { > RC_Init(); > NewCommand = false; > RC_Code = 0; > > while (true) > { > if (RC_Code!=0) > { > KeyCode = RC_Code & 0b000000111111; // Extract bits 1 t/m 6 > DeviceCode = (RC_Code & 0b011111000000) >> 6; > // Extract bits 7 t/m 11 and shift right by 6 positions > > // The toggle bit (bit 12) is inverted when the same key is pushed > // again, not if the key is held and automatic repetition occurs. > // Thus it is possible to distinguish between those two kinds of > // repetition. > > if (OldRC_Code != RC_Code) > { > NewCommand = true; > OldRC_Code = RC_Code; > } > else NewCommand = false; > > RC_Code=0; > Process_RC_Code(KeyCode, DeviceCode, NewCommand); > } > } > } > > void RC_Init(void) > { > RC5_Init(TSOP); > Ext_IntEnable(2,2); // TSOP is active low so falling edge trigger > Irq_SetVect(INT_2, TSOP_ISR); // TSOP is connected to port 26 = interrupt 2 > } > > void TSOP_ISR(void) > { > int irqcnt; > RC_Code = RC5_Read(); > irqcnt = Irq_GetCount(INT_2); //Interrupt Request Counter = 0 > } > > void Process_RC_Code(byte aKeyCode, byte aDeviceCode, byte aNewCommand) > { > if (aDeviceCode == 0) // TV > { > switch (aKeyCode) > { > case 12: // Start/Stop > if (aNewCommand) > { > // Place your commands here > } > else > { > // Place your commands here > } > break; > case 32: // Prog+ > if (aNewCommand) > { > // Place your commands here > } > else > { > // Place your commands here > } > break; > // Etcetera for other keycodes like 17 (Vol-), 16 (Vol+), 33 (Prog-), 13 (Mute) > } > } > else > { > if (aDeviceCode == 8) // SAT > { > switch (aKeyCode) > { > case 12: // Start/Stop > > if (aNewCommand) > { > // Place your commands here > } > else > { > // Place your commands here > } > break; > // Etcetera for other keycodes > } > } > } > } > > > Regards, > Pepe
