Diff: main.cpp

Revision:

3:92170e533378

Parent:

2:57db905622ca

Child:

4:f2052e2e8cb2

--- a/main.cpp	Mon Aug 18 13:55:20 2014 +0000
+++ b/main.cpp	Fri Mar 20 06:50:22 2020 +0000
@@ -1,46 +1,93 @@
+/*
+    Modified by Kenji Arai / JH1PJL
+        March 20th, 2020
+
+    Original & Refrence
+        https://os.mbed.com/users/chris/code/ChrisRGB-Ring/
+        https://os.mbed.com/users/chris/code/WS2812/
+        https://os.mbed.com/users/chris/code/PixelArray/
+
+        https://os.mbed.com/users/bridadan/code/WS2812_Example/
+        https://os.mbed.com/users/bridadan/code/WS2812/
+        https://os.mbed.com/users/chris/code/PixelArray/
+
+ */
+
 #include "mbed.h"
 #include "WS2812.h"
 #include "PixelArray.h"
 
-#define WS2812_BUF 60
+#if (MBED_MAJOR_VERSION == 5)
+#define WAIT_MS(x)  ThisThread::sleep_for(x)
+#else
+#define WAIT_MS(x)  wait_ms(x)
+#endif
+
+// NeoPixel Board
+#define WS2812_BUF  64
+#define NUM_LEDS_PER_COLOR 8
+// Preparation color number
+#define NUM_COLORS  8
+// Intensity base
+#define BRIGHT      0xf     // Max = 0xf
 
-WS2812 ws(p5,WS2812_BUF);
+// Only OS2 ->F334RG, L053, L073&L476(can compile on os5 but not work)
+#if \
+    defined(TARGET_NUCLEO_F334R8)\
+ || defined(TARGET_NUCLEO_F401RE)\
+ || defined(TARGET_NUCLEO_F411RE)\
+ || defined(TARGET_NUCLEO_F446RE)\
+ || defined(TARGET_NUCLEO_L053R8)\
+ || defined(TARGET_NUCLEO_L073RZ)\
+ || defined(TARGET_NUCLEO_L152RE)\
+ || defined(TARGET_NUCLEO_L476RG)
+WS2812 ws(D11, D12, D13, WS2812_BUF);
+//WS2812 ws(D11, NC, NC, WS2812_BUF);   // STM does NOT support NC definition!
+#elif \
+    defined(TARGET_RZ_A1H)\
+ || defined(TARGET_GR_LYCHEE)\
+//WS2812 ws(D11, D12, D13, WS2812_BUF);
+WS2812 ws(D11, NC, NC, WS2812_BUF);
+#elif defined(TARGET_GR_MANGO)
+//WS2812 ws(P8_6, P8_5, P8_7, WS2812_BUF);
+WS2812 ws(P8_6, NC, NC, WS2812_BUF);
+#else
+#   error Not supprt the Board!
+#endif
 PixelArray px(WS2812_BUF);
-
-DigitalOut led(LED1);
+int all_buf(WS2812_BUF);
 
 int main()
 {
-
-    ws.useII(2); // use per-pixel intensity scaling
-
+    ws.set_brightness_mode(WS2812::PER_PIXEL); // use per-pixel brightness mode
     // set up the colours we want to draw with
-    int colorbuf[6] = {0x2f0000,0x2f2f00,0x002f00,0x002f2f,0x00002f,0x2f002f};
-
+    int colorbuf[NUM_COLORS] = {
+            0x2f0000,0x2f2f00,0x002f00,0x002f2f,
+            0x00002f,0x2f002f, 0x2f2f2f, 0
+    };
     // for each of the colours (j) write out 10 of them
     // the pixels are written at the colour*10, plus the colour position
     // all modulus 60 so it wraps around
-    for (int i =0; i<6; i++) {
-        for (int j=0; j<10; j++) {
-            px.Set(((i*10)+j)%60,colorbuf[i]);
+    for (int i = 0; i < WS2812_BUF; i++) {
+        px.Set(i, colorbuf[(i / NUM_LEDS_PER_COLOR) % NUM_COLORS]);
+    }
+    // now all the colors are computed, add a fade effect using brightness data
+    // compute and write the value for each pixel
+    for (int j=0; j<WS2812_BUF; j++) {
+        px.SetI(j%WS2812_BUF, 0xf+(BRIGHT*(j%NUM_LEDS_PER_COLOR)));
+    }
+    // Now the buffer is written, rotate it
+    // by writing it out with an increasing offset
+    while (true) {
+        for (int z=WS2812_BUF; z >= 0 ; z--) {
+            ws.write_offsets(px.getBuf(),z,z,z);
+            WAIT_MS(100);
+        }
+        WAIT_MS(1000);
+        ws.set_brightness(0x20);
+        for (int i = 0; i < NUM_COLORS; i++) {
+            ws.setAll(colorbuf[i]);
+            WAIT_MS(1000);
         }
     }
-
-    // now all the colours are computed, add a fade effect using intensity scaling
-    // compute and write the II value for each pixel
-    for (int j=0; j<60; j++) {
-        // px.SetI(pixel position, II value)
-        px.SetI(j%60, 0xf+(0xf*(j%10)));
-    }
-
-
-    // Now the buffer is written, rotate it
-    // by writing it out with an increasing offset
-    while (1) {
-        for (int z=59; z >= 0 ; z--) {
-            ws.write_offsets(px.getBuf(),z,z,z);
-            wait(0.075);
-        }
-    }
-
 }