Diff: main.cpp

Revision:

4:cea8cd2c44e4

Parent:

3:d331c534064f

Child:

5:522612e4b18d

--- a/main.cpp	Sun Jan 31 01:26:23 2016 +0000
+++ b/main.cpp	Sun Jan 31 02:50:56 2016 +0000
@@ -3,18 +3,31 @@
 #include "NeoStrip.h"
 #include "gt.h"
  
-#define N 64
+#define NUM_INDIVIDUALS 7
+#define NUM_RING 16
+#define NUM_GRID 40
+#define NUM_ROWS 5
+#define NUM_COLUMNS 8
 
 SerialDriver rpi(p9, p10);
 SerialDriver pc(USBTX, USBRX);
 DigitalOut myled(LED1);
-NeoStrip strip(p18, N);
+NeoStrip strip(p18, NUM_INDIVIDUALS + NUM_RING + NUM_GRID);
+Ticker t;
+
+int ring_position = 0;
+int grid_col = 0;
 
 int flash();
-void set_pattern(NeoStrip strip);
+void set_pattern(NeoStrip strip, uint8_t r, uint8_t g, uint8_t b);
+void update_pixels();
 
 int main() {
-    pc.printf("MBED: startup\n");
+    pc.printf("MBED: startup\r\n");
+    
+    set_pattern(strip, 255, 255, 255);
+    
+    t.attach(&update_pixels, 0.05);
     
     // setup serial port
     rpi.baud(115200);
@@ -25,19 +38,23 @@
     int pos = 0;
     
     while (c != '\n' && c != '\r') {
+        pc.printf("MBED: read %c\r\n", c);
         line_buffer[pos] = c;
         c = rpi.getc();
         pos++;
     }
     
     line_buffer[pos] = '\0';
+    pc.printf("MBED: read newline\r\n");
     
     rpi.printf("ack\n");
+    pc.printf("MBED: sent ack\r\n");
     
     int result = strcmp(line_buffer, "hello");
     
     if (result == 0) {
-        set_pattern(strip);
+        pc.printf("MBED: matched, updating strip\r\n");
+        set_pattern(strip, 255, 0, 0);
     } else {
         pc.printf("Did not match.\n");
         pc.printf(line_buffer);
@@ -54,8 +71,31 @@
     }
 }
 
-void set_pattern(NeoStrip strip) {
-    strip.setBrightness(0.2);
-    strip.setPixels(0, N, gt_img);
+void set_pattern(NeoStrip strip, uint8_t r, uint8_t g, uint8_t b) {
+    strip.setBrightness(0.05);
+    //strip.setPixels(0, N, gt_img);
+    for (int p = 0; p < 64; p++) {
+        strip.setPixel(p, r, g, b);
+    }
     strip.write();
+}
+
+void update_pixels() {
+    strip.setBrightness(0.05);
+    // update ring
+    strip.setPixel(NUM_INDIVIDUALS + ring_position, 255, 255, 255);
+    ring_position = (ring_position + 1) % NUM_RING;
+    strip.setPixel(NUM_INDIVIDUALS + ring_position, 255, 0, 0);
+    
+    // update grid
+    for (int i = grid_col; i < NUM_GRID; i += NUM_COLUMNS) {   
+        strip.setPixel(NUM_INDIVIDUALS + NUM_RING + i, 255, 255, 255);
+    }
+    grid_col = (grid_col + 1) % NUM_COLUMNS;
+    
+    for (int i = grid_col; i < NUM_GRID; i += NUM_COLUMNS) {   
+        strip.setPixel(NUM_INDIVIDUALS + NUM_RING + i, 255, 0, 0);
+    }
+    
+    strip.write();    
 }
\ No newline at end of file