1D-Pong game based on a LED strip with 150 LPD6803-controlled pixels. Game keeps score for 'best-of-21' game. Written for KL25Z
main.cpp@4:119537f0ff8e, 2013-08-21 (annotated)
- Committer:
- vsluiter
- Date:
- Wed Aug 21 18:35:43 2013 +0000
- Revision:
- 4:119537f0ff8e
- Parent:
- 3:a2b58da5c03b
- Child:
- 5:d2e819018807
Increased SPI frequency, and update rate
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
vsluiter | 0:cde34c55fa20 | 1 | #include "mbed.h" |
vsluiter | 0:cde34c55fa20 | 2 | |
vsluiter | 0:cde34c55fa20 | 3 | #define NUMBER_OF_PIXELS 50 |
vsluiter | 0:cde34c55fa20 | 4 | #define PADDLE_LENGTH 5 |
vsluiter | 2:d2f8772a8db5 | 5 | #define LEFT false |
vsluiter | 2:d2f8772a8db5 | 6 | #define RIGHT true |
vsluiter | 0:cde34c55fa20 | 7 | void Randomblinks(float seconds, bool colored = false); |
vsluiter | 0:cde34c55fa20 | 8 | void PaddleDemo(float seconds, uint8_t red, uint8_t green, uint8_t blue); |
vsluiter | 1:7a2ec350cdf5 | 9 | void WinLoose(float seconds, bool side); |
vsluiter | 1:7a2ec350cdf5 | 10 | void UpdatePaddle(void); |
vsluiter | 2:d2f8772a8db5 | 11 | void Score(uint8_t left, uint8_t right); |
vsluiter | 0:cde34c55fa20 | 12 | uint16_t totalstrip[NUMBER_OF_PIXELS]; |
vsluiter | 0:cde34c55fa20 | 13 | volatile int8_t paddlestart= 0; |
vsluiter | 0:cde34c55fa20 | 14 | SPI ledstrip(PTD2,NC,PTD1); |
vsluiter | 0:cde34c55fa20 | 15 | |
vsluiter | 0:cde34c55fa20 | 16 | |
vsluiter | 0:cde34c55fa20 | 17 | void UpdateLEDstrip(void) |
vsluiter | 0:cde34c55fa20 | 18 | { |
vsluiter | 0:cde34c55fa20 | 19 | uint8_t pixelcounter; |
vsluiter | 0:cde34c55fa20 | 20 | /*start by writing 32 zeroes */ |
vsluiter | 0:cde34c55fa20 | 21 | ledstrip.write(0); |
vsluiter | 0:cde34c55fa20 | 22 | ledstrip.write(0); |
vsluiter | 0:cde34c55fa20 | 23 | ledstrip.write(0); |
vsluiter | 0:cde34c55fa20 | 24 | ledstrip.write(0); |
vsluiter | 0:cde34c55fa20 | 25 | for(pixelcounter = 0 ; pixelcounter < NUMBER_OF_PIXELS; pixelcounter++) { |
vsluiter | 0:cde34c55fa20 | 26 | ledstrip.write( uint8_t(totalstrip[pixelcounter]>>8));//uint8_t(temp16));//(totalstrip.ledcounter[pixelcounter].red << 2) | (totalstrip.ledcounter[pixelcounter].high << 7) |(totalstrip.ledcounter[pixelcounter].green & 0x << 2) ); |
vsluiter | 0:cde34c55fa20 | 27 | ledstrip.write( uint8_t(totalstrip[pixelcounter]));//(*(uint16_t *)(&totalstrip[pixelcounter]))>>8); |
vsluiter | 0:cde34c55fa20 | 28 | } |
vsluiter | 0:cde34c55fa20 | 29 | } |
vsluiter | 0:cde34c55fa20 | 30 | |
vsluiter | 0:cde34c55fa20 | 31 | void write_led(uint16_t * led, uint8_t red, uint8_t green, uint8_t blue) |
vsluiter | 0:cde34c55fa20 | 32 | { |
vsluiter | 0:cde34c55fa20 | 33 | *led = (1<<15) | ((green >> 3)<<10) | ((red >>3)<< 5) | (blue >>3); |
vsluiter | 0:cde34c55fa20 | 34 | } |
vsluiter | 0:cde34c55fa20 | 35 | int main() |
vsluiter | 0:cde34c55fa20 | 36 | { |
vsluiter | 0:cde34c55fa20 | 37 | Ticker updater; |
vsluiter | 0:cde34c55fa20 | 38 | Ticker paddlepos; |
vsluiter | 0:cde34c55fa20 | 39 | uint8_t ledcounter; |
vsluiter | 4:119537f0ff8e | 40 | updater.attach(UpdateLEDstrip, .02); |
vsluiter | 0:cde34c55fa20 | 41 | paddlepos.attach(UpdatePaddle, .03); |
vsluiter | 0:cde34c55fa20 | 42 | ledstrip.format(8,0); //15 bits, mode '0' |
vsluiter | 4:119537f0ff8e | 43 | ledstrip.frequency(1000000); |
vsluiter | 4:119537f0ff8e | 44 | for(ledcounter = 0; ledcounter < NUMBER_OF_PIXELS; ledcounter++) {//turn off leds |
vsluiter | 0:cde34c55fa20 | 45 | write_led(&totalstrip[ledcounter], 0,0,0); |
vsluiter | 0:cde34c55fa20 | 46 | } |
vsluiter | 0:cde34c55fa20 | 47 | while(1) { |
vsluiter | 2:d2f8772a8db5 | 48 | //PaddleDemo(2,255,10,100); |
vsluiter | 4:119537f0ff8e | 49 | |
vsluiter | 2:d2f8772a8db5 | 50 | Score(0,0); |
vsluiter | 3:a2b58da5c03b | 51 | Score(1,1); |
vsluiter | 2:d2f8772a8db5 | 52 | Score(0,1); |
vsluiter | 2:d2f8772a8db5 | 53 | Score(3,2); |
vsluiter | 2:d2f8772a8db5 | 54 | WinLoose(2.5, LEFT); |
vsluiter | 2:d2f8772a8db5 | 55 | Score(3,4); |
vsluiter | 2:d2f8772a8db5 | 56 | WinLoose(1.5, RIGHT); |
vsluiter | 2:d2f8772a8db5 | 57 | //Randomblinks(5, true); |
vsluiter | 2:d2f8772a8db5 | 58 | //WinLoose(3, false); |
vsluiter | 0:cde34c55fa20 | 59 | } |
vsluiter | 0:cde34c55fa20 | 60 | } |
vsluiter | 0:cde34c55fa20 | 61 | |
vsluiter | 2:d2f8772a8db5 | 62 | void Score(uint8_t left, uint8_t right) |
vsluiter | 2:d2f8772a8db5 | 63 | { |
vsluiter | 2:d2f8772a8db5 | 64 | uint8_t maxscore; |
vsluiter | 2:d2f8772a8db5 | 65 | int8_t ledcounter; |
vsluiter | 2:d2f8772a8db5 | 66 | uint8_t scorecounter; |
vsluiter | 3:a2b58da5c03b | 67 | typedef struct ledcolor |
vsluiter | 3:a2b58da5c03b | 68 | { |
vsluiter | 3:a2b58da5c03b | 69 | uint8_t red; |
vsluiter | 3:a2b58da5c03b | 70 | uint8_t green; |
vsluiter | 3:a2b58da5c03b | 71 | uint8_t blue; |
vsluiter | 3:a2b58da5c03b | 72 | }ledcolor_t; |
vsluiter | 3:a2b58da5c03b | 73 | ledcolor_t rightled={0,0,0}, leftled={0,0,0}; |
vsluiter | 3:a2b58da5c03b | 74 | if(left >= right) |
vsluiter | 3:a2b58da5c03b | 75 | { |
vsluiter | 3:a2b58da5c03b | 76 | maxscore = left; |
vsluiter | 3:a2b58da5c03b | 77 | leftled.green = 255; |
vsluiter | 3:a2b58da5c03b | 78 | rightled.red = 255; |
vsluiter | 3:a2b58da5c03b | 79 | } |
vsluiter | 3:a2b58da5c03b | 80 | if(right >= left) |
vsluiter | 3:a2b58da5c03b | 81 | { |
vsluiter | 3:a2b58da5c03b | 82 | maxscore = right; |
vsluiter | 3:a2b58da5c03b | 83 | leftled.red = 255; |
vsluiter | 3:a2b58da5c03b | 84 | rightled.green = 255; |
vsluiter | 3:a2b58da5c03b | 85 | } |
vsluiter | 2:d2f8772a8db5 | 86 | for(scorecounter = 0 ; scorecounter <= maxscore ; scorecounter++) |
vsluiter | 2:d2f8772a8db5 | 87 | { |
vsluiter | 2:d2f8772a8db5 | 88 | uint8_t templeft,tempright; |
vsluiter | 2:d2f8772a8db5 | 89 | templeft = left>scorecounter?scorecounter:left; |
vsluiter | 2:d2f8772a8db5 | 90 | tempright = right>scorecounter?scorecounter:right; |
vsluiter | 2:d2f8772a8db5 | 91 | uint8_t sidecounter; |
vsluiter | 2:d2f8772a8db5 | 92 | for(ledcounter = 0; ledcounter < NUMBER_OF_PIXELS; ledcounter++) |
vsluiter | 2:d2f8772a8db5 | 93 | { |
vsluiter | 2:d2f8772a8db5 | 94 | write_led(&totalstrip[ledcounter], 0, 0 ,0); |
vsluiter | 2:d2f8772a8db5 | 95 | } |
vsluiter | 2:d2f8772a8db5 | 96 | for(sidecounter = 0 ; sidecounter < templeft; sidecounter++) |
vsluiter | 2:d2f8772a8db5 | 97 | { |
vsluiter | 3:a2b58da5c03b | 98 | write_led(&totalstrip[sidecounter*2],leftled.red,leftled.green,leftled.blue); |
vsluiter | 2:d2f8772a8db5 | 99 | } |
vsluiter | 2:d2f8772a8db5 | 100 | for(sidecounter = 0 ; sidecounter < tempright ; sidecounter++) |
vsluiter | 2:d2f8772a8db5 | 101 | { |
vsluiter | 3:a2b58da5c03b | 102 | write_led(&totalstrip[(NUMBER_OF_PIXELS-1)-(sidecounter*2)],rightled.red,rightled.green,rightled.blue); |
vsluiter | 2:d2f8772a8db5 | 103 | } |
vsluiter | 3:a2b58da5c03b | 104 | wait(0.7); |
vsluiter | 2:d2f8772a8db5 | 105 | } |
vsluiter | 3:a2b58da5c03b | 106 | wait(0.5); |
vsluiter | 2:d2f8772a8db5 | 107 | } |
vsluiter | 2:d2f8772a8db5 | 108 | |
vsluiter | 1:7a2ec350cdf5 | 109 | void WinLoose(float seconds, bool side) |
vsluiter | 1:7a2ec350cdf5 | 110 | { |
vsluiter | 1:7a2ec350cdf5 | 111 | uint8_t ledcounter; |
vsluiter | 1:7a2ec350cdf5 | 112 | Timer timer; |
vsluiter | 1:7a2ec350cdf5 | 113 | timer.start(); |
vsluiter | 1:7a2ec350cdf5 | 114 | while( timer.read() < seconds) |
vsluiter | 1:7a2ec350cdf5 | 115 | { |
vsluiter | 1:7a2ec350cdf5 | 116 | uint8_t redvalue = 255-(255.0*(timer.read()/(seconds/2))); |
vsluiter | 1:7a2ec350cdf5 | 117 | for(ledcounter = 0; ledcounter < NUMBER_OF_PIXELS; ledcounter++) |
vsluiter | 1:7a2ec350cdf5 | 118 | { |
vsluiter | 1:7a2ec350cdf5 | 119 | if(ledcounter < NUMBER_OF_PIXELS / 2) |
vsluiter | 1:7a2ec350cdf5 | 120 | { |
vsluiter | 1:7a2ec350cdf5 | 121 | if(side) |
vsluiter | 1:7a2ec350cdf5 | 122 | write_led(&totalstrip[ledcounter], redvalue,0,0); |
vsluiter | 1:7a2ec350cdf5 | 123 | else |
vsluiter | 1:7a2ec350cdf5 | 124 | write_led(&totalstrip[ledcounter], 0,255,0); |
vsluiter | 1:7a2ec350cdf5 | 125 | } |
vsluiter | 1:7a2ec350cdf5 | 126 | else |
vsluiter | 1:7a2ec350cdf5 | 127 | { |
vsluiter | 1:7a2ec350cdf5 | 128 | if(side) |
vsluiter | 1:7a2ec350cdf5 | 129 | write_led(&totalstrip[ledcounter], 0,255,0); |
vsluiter | 1:7a2ec350cdf5 | 130 | else |
vsluiter | 1:7a2ec350cdf5 | 131 | write_led(&totalstrip[ledcounter], redvalue ,0,0); |
vsluiter | 1:7a2ec350cdf5 | 132 | |
vsluiter | 1:7a2ec350cdf5 | 133 | } |
vsluiter | 1:7a2ec350cdf5 | 134 | } |
vsluiter | 1:7a2ec350cdf5 | 135 | } |
vsluiter | 1:7a2ec350cdf5 | 136 | } |
vsluiter | 0:cde34c55fa20 | 137 | void PaddleDemo(float seconds, uint8_t red, uint8_t green, uint8_t blue) |
vsluiter | 0:cde34c55fa20 | 138 | { |
vsluiter | 0:cde34c55fa20 | 139 | uint8_t ledcounter; |
vsluiter | 0:cde34c55fa20 | 140 | Timer timer; |
vsluiter | 0:cde34c55fa20 | 141 | timer.start(); |
vsluiter | 0:cde34c55fa20 | 142 | while( timer.read() < seconds) |
vsluiter | 0:cde34c55fa20 | 143 | { |
vsluiter | 0:cde34c55fa20 | 144 | for(ledcounter = 0; ledcounter < NUMBER_OF_PIXELS; ledcounter++) |
vsluiter | 0:cde34c55fa20 | 145 | { |
vsluiter | 0:cde34c55fa20 | 146 | if((ledcounter >= paddlestart) && ( ledcounter <= paddlestart+PADDLE_LENGTH)) |
vsluiter | 0:cde34c55fa20 | 147 | write_led(&totalstrip[ledcounter], red,green,blue); |
vsluiter | 0:cde34c55fa20 | 148 | else |
vsluiter | 0:cde34c55fa20 | 149 | write_led(&totalstrip[ledcounter], 0,0,0); |
vsluiter | 0:cde34c55fa20 | 150 | } |
vsluiter | 0:cde34c55fa20 | 151 | } |
vsluiter | 0:cde34c55fa20 | 152 | } |
vsluiter | 0:cde34c55fa20 | 153 | |
vsluiter | 0:cde34c55fa20 | 154 | void Randomblinks(float seconds, bool colored) |
vsluiter | 0:cde34c55fa20 | 155 | { |
vsluiter | 0:cde34c55fa20 | 156 | uint8_t ledcounter; |
vsluiter | 0:cde34c55fa20 | 157 | uint8_t test; |
vsluiter | 0:cde34c55fa20 | 158 | Timer timer; |
vsluiter | 0:cde34c55fa20 | 159 | timer.start(); |
vsluiter | 0:cde34c55fa20 | 160 | while( timer.read() < seconds ) |
vsluiter | 0:cde34c55fa20 | 161 | { |
vsluiter | 0:cde34c55fa20 | 162 | test = 50.0*rand()/(RAND_MAX*1.0); |
vsluiter | 0:cde34c55fa20 | 163 | for(ledcounter = 0; ledcounter < NUMBER_OF_PIXELS; ledcounter++) |
vsluiter | 0:cde34c55fa20 | 164 | { |
vsluiter | 0:cde34c55fa20 | 165 | if(ledcounter == test) |
vsluiter | 0:cde34c55fa20 | 166 | { |
vsluiter | 0:cde34c55fa20 | 167 | if(colored) |
vsluiter | 0:cde34c55fa20 | 168 | write_led(&totalstrip[ledcounter], test*5,(test%10)*25,(test%15)*15); |
vsluiter | 0:cde34c55fa20 | 169 | else |
vsluiter | 0:cde34c55fa20 | 170 | write_led(&totalstrip[ledcounter], 255,255,255); |
vsluiter | 0:cde34c55fa20 | 171 | } |
vsluiter | 0:cde34c55fa20 | 172 | else |
vsluiter | 0:cde34c55fa20 | 173 | write_led(&totalstrip[ledcounter], 0,0,0); |
vsluiter | 0:cde34c55fa20 | 174 | } |
vsluiter | 0:cde34c55fa20 | 175 | } |
vsluiter | 0:cde34c55fa20 | 176 | } |
vsluiter | 0:cde34c55fa20 | 177 | |
vsluiter | 1:7a2ec350cdf5 | 178 | void UpdatePaddle(void) |
vsluiter | 1:7a2ec350cdf5 | 179 | { |
vsluiter | 1:7a2ec350cdf5 | 180 | static uint8_t direction = 1; |
vsluiter | 1:7a2ec350cdf5 | 181 | if(direction) { |
vsluiter | 1:7a2ec350cdf5 | 182 | paddlestart++; |
vsluiter | 1:7a2ec350cdf5 | 183 | } else { |
vsluiter | 1:7a2ec350cdf5 | 184 | paddlestart--; |
vsluiter | 1:7a2ec350cdf5 | 185 | } |
vsluiter | 1:7a2ec350cdf5 | 186 | |
vsluiter | 1:7a2ec350cdf5 | 187 | if(paddlestart > (NUMBER_OF_PIXELS - PADDLE_LENGTH)) |
vsluiter | 1:7a2ec350cdf5 | 188 | direction = 0; |
vsluiter | 1:7a2ec350cdf5 | 189 | if(paddlestart < 0) |
vsluiter | 1:7a2ec350cdf5 | 190 | direction = 1; |
vsluiter | 1:7a2ec350cdf5 | 191 | } |
vsluiter | 1:7a2ec350cdf5 | 192 | |
vsluiter | 2:d2f8772a8db5 | 193 | |
vsluiter | 0:cde34c55fa20 | 194 | //DigitalOut myled(LED1); |
vsluiter | 0:cde34c55fa20 | 195 | |
vsluiter | 0:cde34c55fa20 | 196 | //int main() { |
vsluiter | 0:cde34c55fa20 | 197 | // while(1) { |
vsluiter | 0:cde34c55fa20 | 198 | // myled = 1; |
vsluiter | 0:cde34c55fa20 | 199 | // wait(0.2); |
vsluiter | 0:cde34c55fa20 | 200 | // myled = 0; |
vsluiter | 0:cde34c55fa20 | 201 | // wait(0.2); |
vsluiter | 0:cde34c55fa20 | 202 | // } |
vsluiter | 0:cde34c55fa20 | 203 | //} |