Cool. You probably want the sleep outside the batch though.
On Jan 13, 2014 5:40 AM, "dakman05" <[email protected]> wrote:
> wow dude you rock !! ... worked like a charm... here are the changes if
> anyone wants to know!
>
> i implemented both suggestions but it seems like the beginBatch/endBatch
> actually did the trick!
>
> thanks again!
>
> spi_ = ioio_.openSpiMaster(39, 4, 5, 6, SpiMaster.Rate.RATE_50K);
>
>
> public void green(int start, int end) throws ConnectionLostException {
>
> try {
> for (int i = start; i < end; i++) {
> color.clear();
> color.r = (byte) 0;
> color.g = (byte) 255;
> color.b = (byte) 0;
> setLed(i, color);
> }
> ioio_.beginBatch();
> try {
> spi_.writeReadAsync(0, buffer1_, buffer1_.length,
> buffer1_.length, null, 0);
> spi_.writeReadAsync(0, buffer2_, buffer2_.length,
> buffer2_.length, null, 0);
> Thread.sleep(50);
> } finally {
> ioio_.endBatch();
> }
> } catch (InterruptedException e1) {
> }
>
>
> }
>
> On Monday, January 13, 2014 12:09:57 AM UTC-7, Ytai wrote:
>>
>> Hi,
>> A few things to check:
>>
>> - How come you can use the same pin for MISO and MOSI? It shouldn't
>> be valid... Use something else for MISO.
>> - Try changing the second writeRead to writeReadAsync and wrap both
>> calls between a ioio_.beginBatch() / ioio_.endBatch() block.
>>
>>
>>
>> On Sun, Jan 12, 2014 at 9:18 PM, dakman05 <[email protected]> wrote:
>>
>>> Hey Ytai and IOIO Community!
>>>
>>> Hope all is well. Having a problem with my IOIO-OTG ( Hardware ID:
>>> SPRK0020 Bootloader ID: IOIO0400 Firmware ID: IOIO0330) ...
>>>
>>> So I have a WS2801 LED strip and I am using SPI to creating a unique
>>> green animation lighting effect...
>>>
>>> Essentially I played around with HolidayIOIO and was able to figure out
>>> how to control the LED strip ..
>>>
>>> It works like a charm via bluetooth but the following functions are
>>> flickering when directly connected via ADB... Same set of code is working
>>> completely different on BT vs ADB... In bluetooth it works great no
>>> flickering.. with ADB its as if the clock / timing is off... I tried
>>> adjusting the SPI Rate and still no cigar...
>>> See below
>>>
>>> Any help / suggestions is much appreciated!
>>>
>>> -Dave
>>>
>>> In setup:
>>>
>>>
>>> * spi_ = ioio_.openSpiMaster(4, 4, 5, 6, SpiMaster.Rate.RATE_50K);*
>>>
>>>
>>>> *public void greenAnimation() throws ConnectionLostException,
>>>> *InterruptedException
>>>> {
>>>> new Thread(new Runnable() {
>>>> public void run() {
>>>> int i = 0;
>>>> try {
>>>> clear(0, 31);
>>>>
>>>> while (i < 25) {
>>>>
>>>> Thread.sleep(25);
>>>>
>>>>
>>>>
>>>>
>>>> *if ( i >= 0 && i < 24) {green(0, i);}*
>>>> Thread.sleep(25);
>>>> i++;
>>>> }
>>>>
>>>> Thread.sleep(20000);
>>>> run();
>>>> } catch (InterruptedException e) {
>>>> // TODO Auto-generated catch block
>>>> e.printStackTrace();
>>>> } catch (ConnectionLostException e) {
>>>> // TODO Auto-generated catch block
>>>> e.printStackTrace();
>>>> }
>>>> }
>>>> }).start();
>>>> }
>>>
>>>
>>>
>>> *private void setLed(int num, RGB rgb) {*
>>>
>>> // Find the right buffer to write to (first or second half).
>>>
>>> byte[] buffer;
>>>
>>> if (num >= 16) {
>>>
>>> buffer = buffer2_;
>>>
>>> num -= 16;
>>>
>>> } else {
>>>
>>> buffer = buffer1_;
>>>
>>> }
>>>
>>> num *= 3;
>>>
>>> if (rgb.r == 0 && rgb.g == 0 && rgb.b == 0) {
>>>
>>> fadeOut(buffer, num++);
>>>
>>> fadeOut(buffer, num++);
>>>
>>> fadeOut(buffer, num++);
>>>
>>> } else {
>>>
>>> // Poor-man's white balanace :)
>>>
>>> buffer[num++] = rgb.r;
>>>
>>> buffer[num++] = rgb.g;
>>>
>>> buffer[num++] = rgb.b;
>>>
>>> }
>>>
>>> }
>>>
>>>
>>> *public void green(int start, int end)*
>>>
>>> throws ConnectionLostException {
>>>
>>> try {
>>>
>>> for (int i = start; i < end; i++) {
>>>
>>> color.clear();
>>>
>>> color.r = (byte) 0;
>>>
>>> color.g = (byte) 255;
>>>
>>> color.b = (byte) 0;
>>>
>>> setLed(i, color);
>>>
>>> }
>>>
>>> spi_.writeReadAsync(0, buffer1_, buffer1_.length,
>>>
>>> buffer1_.length, null, 0);
>>>
>>> spi_.writeRead(buffer2_, buffer2_.length, buffer2_.length,
>>>
>>> null, 0);
>>>
>>> Thread.sleep(50);
>>>
>>> } catch (InterruptedException e1) {
>>>
>>> }
>>> }
>>>
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>>
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