Seeed
On board LED blinky example for Wio cellular targets - Seeed Wio 3G and Wio LTE-M1/NB1(BG96)
Dependencies: WS2812 PixelArray
Revision 0:1f050f0c9bec, committed 2018-08-09
- Comitter:
- MACRUM
- Date:
- Thu Aug 09 06:44:01 2018 +0000
- Child:
- 1:194e3cf73e72
- Commit message:
- Initial commit
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.gitignore Thu Aug 09 06:44:01 2018 +0000 @@ -0,0 +1,4 @@ +.build +.mbed +projectfiles +*.py*
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/PixelArray.lib Thu Aug 09 06:44:01 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/chris/code/PixelArray/#b45a70faaa83
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/README.md Thu Aug 09 06:44:01 2018 +0000 @@ -0,0 +1,57 @@ +# Getting started with Blinky on mbed OS + +This guide reviews the steps required to get Blinky working on an mbed OS platform. + +Please install [mbed CLI](https://github.com/ARMmbed/mbed-cli#installing-mbed-cli). + +## Import the example application + +From the command-line, import the example: + +``` +mbed import mbed-os-example-blinky +cd mbed-os-example-blinky +``` + +### Now compile + +Invoke `mbed compile`, and specify the name of your platform and your favorite toolchain (`GCC_ARM`, `ARM`, `IAR`). For example, for the ARM Compiler 5: + +``` +mbed compile -m K64F -t ARM +``` + +Your PC may take a few minutes to compile your code. At the end, you see the following result: + +``` +[snip] ++----------------------------+-------+-------+------+ +| Module | .text | .data | .bss | ++----------------------------+-------+-------+------+ +| Misc | 13939 | 24 | 1372 | +| core/hal | 16993 | 96 | 296 | +| core/rtos | 7384 | 92 | 4204 | +| features/FEATURE_IPV4 | 80 | 0 | 176 | +| frameworks/greentea-client | 1830 | 60 | 44 | +| frameworks/utest | 2392 | 512 | 292 | +| Subtotals | 42618 | 784 | 6384 | ++----------------------------+-------+-------+------+ +Allocated Heap: unknown +Allocated Stack: unknown +Total Static RAM memory (data + bss): 7168 bytes +Total RAM memory (data + bss + heap + stack): 7168 bytes +Total Flash memory (text + data + misc): 43402 bytes +Image: .\.build\K64F\ARM\mbed-os-example-blinky.bin +``` + +### Program your board + +1. Connect your mbed device to the computer over USB. +1. Copy the binary file to the mbed device. +1. Press the reset button to start the program. + +The LED on your platform turns on and off. + +## Troubleshooting + +If you have problems, you can review the [documentation](https://os.mbed.com/docs/latest/tutorials/debugging.html) for suggestions on what could be wrong and how to fix it.
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WS2812.lib Thu Aug 09 06:44:01 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/bridadan/code/WS2812/#6e647820f587
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Aug 09 06:44:01 2018 +0000
@@ -0,0 +1,42 @@
+#include "mbed.h"
+#include "WS2812.h"
+#include "PixelArray.h"
+
+#define WS2812_BUF 8
+#define NUM_COLORS 8
+#define NUM_LEDS_PER_COLOR 8
+#define H0 8
+#define L0 32
+#define H1 17
+#define L1 32
+
+DigitalOut LEDPower(PE_8, 1);
+PixelArray px(WS2812_BUF);
+WS2812 ws(PB_1, WS2812_BUF, H0, L0, H1, L1);
+
+const int colorbuf[NUM_COLORS] = {0x000000, 0x2f0000,0x2f2f00,0x002f00,0x002f2f,0x00002f,0x2f002f, 0x2f2f2f};
+
+// main() runs in its own thread in the OS
+int main()
+{
+ ws.useII(WS2812::PER_PIXEL); // use per-pixel intensity scaling
+
+ // 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 < WS2812_BUF; i++) {
+ px.Set(i, colorbuf[i]);
+ px.SetI(i, 0x80);
+ }
+
+ int col = 0;
+
+ while (true) {
+ ws.write_offsets(px.getBuf(), col, col, col);
+ col++;
+ if (col >= WS2812_BUF) {
+ col = 0;
+ }
+ wait(0.5);
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Thu Aug 09 06:44:01 2018 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#485bdeee150e2bc8ed75e27d936060fb63a7a7d1