From c661fd0eca928c2ba5596be0ae518f2ee7d6a5ae Mon Sep 17 00:00:00 2001
From: Michal Moskal <michal.moskal@microsoft.com>
Date: Sun, 3 Apr 2016 17:49:35 -0700
Subject: [PATCH] Neopixel seems to work

---
 libs/microbit/pins.cpp       |  7 +++++++
 libs/neopixel/neotest.ts     |  2 +-
 libs/neopixel/sendbuffer.asm | 11 ++++++++---
 3 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/libs/microbit/pins.cpp b/libs/microbit/pins.cpp
index c8193239..1cfa092b 100644
--- a/libs/microbit/pins.cpp
+++ b/libs/microbit/pins.cpp
@@ -69,6 +69,13 @@ namespace pins {
       if (!pin) return 0; \
       return pin->op
 
+
+    //%
+    MicroBitPin *getPinAddress(int id) {
+        return getPin(id);
+    }
+
+
     /**
      * Read the specified pin or connector as either 0 or 1
      * @param name pin to read from
diff --git a/libs/neopixel/neotest.ts b/libs/neopixel/neotest.ts
index 29695c56..bf3de988 100644
--- a/libs/neopixel/neotest.ts
+++ b/libs/neopixel/neotest.ts
@@ -8,7 +8,7 @@ basic.showLeds(`
 console.log("Start")
 
 // Create a NeoPixel driver - specify the number of LEDs:
-let strip = neopixel.create(24);
+let strip = neopixel.create(7);
 
 // If your strip is not at P0, specify the pin.
 strip.setPin(DigitalPin.P0)
diff --git a/libs/neopixel/sendbuffer.asm b/libs/neopixel/sendbuffer.asm
index 98b5202f..3ec6e877 100644
--- a/libs/neopixel/sendbuffer.asm
+++ b/libs/neopixel/sendbuffer.asm
@@ -1,23 +1,26 @@
+sendBufferAsm:
+
     push {r4,r5,r6,r7,lr}
     
     mov r4, r0 ; save buff
     mov r6, r1 ; save pin
     
     mov r0, r4
-    bl buffer::count
+    bl BufferMethods::length
     mov r5, r0
     
     mov r0, r4
-    bl buffer::cptr
+    bl BufferMethods::getBytes
     mov r4, r0
     
     ; setup pin as digital
     mov r0, r6
     movs r1, #0
-    bl micro_bit::digitalWritePin
+    bl pins::digitalWritePin
     
     ; load pin address
     mov r0, r6
+    bl pins::getPinAddress
 
     ldr r0, [r0, #8] ; get mbed DigitalOut from MicroBitPin
     ldr r1, [r0, #4] ; r1-mask for this pin
@@ -60,3 +63,5 @@
     cpsie i            ; enable irq
 
     pop {r4,r5,r6,r7,pc}
+
+