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RMT: Fix in bitshift of NeoPixel example project ()

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Fixed bit shift in demo application of using RMT peripheral. Init data array to be transmitted was off by one, as for the first iteration (i==0) the mask was 1<<8, which results in shifted RGB value in color variable
Closes https://github.com/espressif/arduino-esp32/issues/2921
This commit is contained in:
david-cermak 2019-07-16 16:14:28 +02:00 committed by Me No Dev
parent c17b212cd0
commit 1c7e329140
1 changed files with 1 additions and 1 deletions

2
libraries/ESP32/examples/RMT/RMTWriteNeoPixel/RMTWriteNeoPixel.ino

@ -62,7 +62,7 @@ void loop()
for (led=0; led<NR_OF_LEDS; led++) { for (led=0; led<NR_OF_LEDS; led++) {
for (col=0; col<3; col++ ) { for (col=0; col<3; col++ ) {
for (bit=0; bit<8; bit++){ for (bit=0; bit<8; bit++){
if ( (color[col] & (1<<(8-bit))) && (led == led_index) ) { if ( (color[col] & (1<<(7-bit))) && (led == led_index) ) {
led_data[i].level0 = 1; led_data[i].level0 = 1;
led_data[i].duration0 = 8; led_data[i].duration0 = 8;
led_data[i].level1 = 0; led_data[i].level1 = 0;