Clemens Valens / Mbed 2 deprecated cocorico_ring_demo

Simple demo showing how to control the CoCo-ri-Co LED ring.

Dependencies:   mbed

main.cpp@0:c6fa86a8f29b, 2016-06-21 (annotated)

Committer:
Clemo
Date:
Tue Jun 21 07:45:06 2016 +0000
Revision:
0:c6fa86a8f29b
Demo program showing how to control the CoCo-ri-Co's LED ring.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Clemo 0:c6fa86a8f29b 1 #include "mbed.h"
Clemo 0:c6fa86a8f29b 2 #include "LedMatrix.h"
Clemo 0:c6fa86a8f29b 3
Clemo 0:c6fa86a8f29b 4
Clemo 0:c6fa86a8f29b 5 CLedMatrix matrix;
Clemo 0:c6fa86a8f29b 6 Ticker matrixRefresh;
Clemo 0:c6fa86a8f29b 7 DigitalOut led16(P0_10,0);
Clemo 0:c6fa86a8f29b 8 LedMatrixColor_t color_global;
Clemo 0:c6fa86a8f29b 9 uint32_t ms = 0;
Clemo 0:c6fa86a8f29b 10 uint32_t debug_ms = 0;
Clemo 0:c6fa86a8f29b 11
Clemo 0:c6fa86a8f29b 12
Clemo 0:c6fa86a8f29b 13 void tickLed(void)
Clemo 0:c6fa86a8f29b 14 {
Clemo 0:c6fa86a8f29b 15 static int i = 0;
Clemo 0:c6fa86a8f29b 16 // Color is global so the debug LED can use it too.
Clemo 0:c6fa86a8f29b 17 color_global = (i&0x10)? red : green; // Toggle color.
Clemo 0:c6fa86a8f29b 18 matrix.putPixel(i&0xf,color_global); // Set pixel.
Clemo 0:c6fa86a8f29b 19 i--; // Spin clockwise.
Clemo 0:c6fa86a8f29b 20 }
Clemo 0:c6fa86a8f29b 21
Clemo 0:c6fa86a8f29b 22
Clemo 0:c6fa86a8f29b 23 void systick(void)
Clemo 0:c6fa86a8f29b 24 {
Clemo 0:c6fa86a8f29b 25 matrix.tick();
Clemo 0:c6fa86a8f29b 26 ms += 1;
Clemo 0:c6fa86a8f29b 27
Clemo 0:c6fa86a8f29b 28 debug_ms += 1;
Clemo 0:c6fa86a8f29b 29 if (debug_ms==250)
Clemo 0:c6fa86a8f29b 30 {
Clemo 0:c6fa86a8f29b 31 matrix.debugLed(color_global==green?red:green);
Clemo 0:c6fa86a8f29b 32 }
Clemo 0:c6fa86a8f29b 33 else if (debug_ms==500)
Clemo 0:c6fa86a8f29b 34 {
Clemo 0:c6fa86a8f29b 35 matrix.debugLed(black);
Clemo 0:c6fa86a8f29b 36 }
Clemo 0:c6fa86a8f29b 37 else if (debug_ms>=1000)
Clemo 0:c6fa86a8f29b 38 {
Clemo 0:c6fa86a8f29b 39 debug_ms = 0;
Clemo 0:c6fa86a8f29b 40 }
Clemo 0:c6fa86a8f29b 41 }
Clemo 0:c6fa86a8f29b 42
Clemo 0:c6fa86a8f29b 43
Clemo 0:c6fa86a8f29b 44 int main(void)
Clemo 0:c6fa86a8f29b 45 {
Clemo 0:c6fa86a8f29b 46 uint8_t wait = 62;
Clemo 0:c6fa86a8f29b 47 matrix.debugLedEnable(true);
Clemo 0:c6fa86a8f29b 48
Clemo 0:c6fa86a8f29b 49 // The debug LED uses a Ticker object, the LED ring uses wait_ms for timing.
Clemo 0:c6fa86a8f29b 50
Clemo 0:c6fa86a8f29b 51 matrixRefresh.attach_us(&systick,1000);
Clemo 0:c6fa86a8f29b 52
Clemo 0:c6fa86a8f29b 53 while (1)
Clemo 0:c6fa86a8f29b 54 {
Clemo 0:c6fa86a8f29b 55 tickLed();
Clemo 0:c6fa86a8f29b 56 wait_ms(wait);
Clemo 0:c6fa86a8f29b 57 // 16 LEDs evenly distributed over 1000 ms requires
Clemo 0:c6fa86a8f29b 58 // an average on time of 62.5 ms per LED.
Clemo 0:c6fa86a8f29b 59 wait = wait==63? 62 : 63;
Clemo 0:c6fa86a8f29b 60 }
Clemo 0:c6fa86a8f29b 61 }