This an example of using a light strip of individually addressable RGB LEDs to make a star for a Christmas decoration. Two meters of APA102 LED stripe were used, cut every 12 LEDs. Code runs on a MicroMite with power provided by a large external power supply.
Project by RonnS.
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Option autorun on Option DEFAULT NONE option explicit cpu 48 randomize timer Dim integer count, count1, counter,counterB, rndnum, loopcount, offset, w0, w10, w11,speed,Ledcounter2,Ledcounter1 Dim INTEGER HOW_MANY_LEDS=120 Dim integer red1, red,bgR Dim integer green1, green,bgG Dim integer blue1, blue ,bgB dim integer LedCounterA,leds_armsA dim integer LedCounterB,leds_armsB dim integer LedCounterC,leds_armsC dim integer BRIGHTNESS :BRIGHTNESS = 30 bgR=002: bgG=001: bgB=000 red1=250: green1=151: blue1=000 dim integer colours(28)=(003, 000, 227, 255, 000, 220, 059, 000, 199, 087, 000, 157, 115, 000, 145, 135, 000, 135, 059, 000, 199, 031, 000, 227, 003, 000, 255, 255, 000) data 255,000,003,227,000,031,199,000,059,171,000,087,143,000,115,000,000,171,059,000,199,031,000,227,003,000,255,255,000,003, 227,000,031,199 data 000,059,255,000,003,227,000,031,199,000,059,115,000,000,171,059,000,199,031,000,227,003,000,255,255,000 SPI open 5000000, 3,8 speed=150 head for w0 = 0 To HOW_MANY_LEDS sendled 000, 000, 000 next tail Pause 100 Sub sendLed (red as integer,green as integer,blue as integer) ' Send a LED controlling command SPI write 4, 225, blue,green,red End Sub Sub Head ' Send the start of data header SPI write 4, &H00,&H00,&H00,&H00 End Sub Sub tail 'Send the end of data tail SPI write 4, &HFF,&HFF,&HFF,&HFF End Sub sub getcolour red = Int(RND()*10)+1 red1 = red * 10 and 10 + 100 green = Int(RND()*10)+1 green1 = green * 10 and 10 +100 blue = Int(RND()*10)+1 blue1 = blue * 10 and 10 +100 rem print blue1;green1;red1 end sub PowerOnReset: do count1=0 do count1=count1+1 LedcounterB=11 LedCounterA=0 'first segment for counter=1 to 11 step 2 ledcounterA = ledcounterA + counter LedCounterB = LedCounterB - counter pause speed head 'from the middle to the ends for loopcount = 0 to 4 ' loop 5 time for the arms for w10=0 to LedcounterB sendled 002, 001, 000 next for w11=1 to LedCounterA sendled 210,105,030 next for w11=1 to LedCounterA sendled 210,105,030 next for w10=0 to LedcounterB sendled 002, 001, 000 next next loopcount tail next counter loop until count1 > 2 do count1=count1+1 LedcounterB=11 LedCounterA=0 'first segment for counter=1 to 11 step 2 ledcounterA = ledcounterA + counter LedCounterB = LedCounterB - counter pause speed head 'from the middle to the ends for loopcount = 0 to 4 ' loop 5 time for the arms getcolour for w10=0 to LedcounterB sendled 002, 001, 000 next for w11=1 to LedCounterA sendled red1,green1,blue1 next for w11=1 to LedCounterA sendled red1,green1,blue1 next for w10=0 to LedcounterB sendled 002, 001, 000 next next loopcount tail next counter loop until count1 > 20 rotate: count1=0 leds_armsA=12: leds_armsB=12 LedcounterB=12 LedCounterA=1 counter=1 do getcolour count1= count1+1 head 'first arm 0 for w10=1 to 12 sendled red1,green1,blue1 next for w11 = 13 To HOW_MANY_LEDS-12 sendLed bgR, bgG, bgB ' to last = Off next for w10=HOW_MANY_LEDS-11 to HOW_MANY_LEDS sendled red1,green1,blue1 next tail for counter=1 to 9 step 2 ledcounterA = counter*leds_armsA counterB=counter+2 LedCounterB = counterB*leds_armsB head 'second arm 1 for w11 = 1 To LedCounterA sendled bgR, bgG, bgB next for w10=LedCounterA to LedCounterB sendled red1,green1,blue1 next for w11 = LedCounterB To HOW_MANY_LEDs sendled bgR, bgG, bgB next tail next rem leds_armsA=12:leds_armsB=12:LedcounterB=12:LedCounterA=1:counter=1 pause speed loop until count1>20 loop |
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