Lurkars/led_bikewheel
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bugfix led index

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This commit is contained in:
Lurkars 2020-12-31 12:16:47 +01:00
parent 2e2d165c62
commit 7108a1dc03
1 changed files with 17 additions and 17 deletions
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34
led_bikewheel.ino
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@ -8,14 +8,14 @@
// See the License for the specific language governing permissions and
// limitations under the License.
// uncomment next line if you want to use NEOPIXEL (3 pins) instead of APA102 (4 pins)
//#define NEOPIXEL
// uncomment next line for image test modus, this will change the segments every 1/2 second
//#define TEST_STRIPES
// set to true if you want to use NEOPIXEL (3 pins) instead of APA102 (4 pins)
#define NEOPIXEL false
// set to true for image test modus, this will change the segments every 1/2 second
#define TEST_STRIPES false
#include "images.h"
#ifdef NEOPIXEL
#if NEOPIXEL
#include <Adafruit_NeoPixel.h>
#else
#include <FastGPIO.h>
@ -31,12 +31,12 @@
#define LED_COUNT 26 // how many LEDs on one stripe
#define LED_STRIPES 2 // how many LEDs stripes on wheel
int strip_matrix_offset[LED_STRIPES] = {0, 0}; // given offset in segments for stripe
bool strip_matrix_invert[LED_STRIPES] = {false, true}; // set LEDs in revert order for stripe
int strip_matrix_offset[4] = {0, 0, NUM_SEGMENTS / 2, NUM_SEGMENTS / 2}; // given offset in segments for stripe
bool strip_matrix_invert[4] = {false, true, false, true}; // set LEDs in revert order for stripe
// \CONFIGURE
// LED stripes
#ifdef NEOPIXEL
#if NEOPIXEL
#define LED_PIN 6 // data pin for neopixel LED stripe
#define BRIGHTNESS 10 // brightness for LED strip [0-255]
Adafruit_NeoPixel ledStrip(LED_COUNT *LED_STRIPES, LED_PIN, NEO_GRB + NEO_KHZ800);
@ -44,8 +44,8 @@ Adafruit_NeoPixel ledStrip(LED_COUNT *LED_STRIPES, LED_PIN, NEO_GRB + NEO_KHZ800
#define LED_DATA_PIN 3 // data pin for LED strip
#define LED_CLOCK_PIN 2 // clock pin for LED strip
APA102<LED_DATA_PIN, LED_CLOCK_PIN> ledStrip;
#define BRIGHTNESS 1 // brightness for LED strip [0-31]
rgb_color color_buffer[LED_COUNT * LED_STRIPES]; // color buffer to write to LED stripe
#define BRIGHTNESS 10 // brightness for LED strip [0-31]
rgb_color color_buffer[LED_COUNT * LED_STRIPES]; // color buffer to write to LED stripe
#endif
float passed = 0;
@ -63,12 +63,12 @@ void setup()
pinMode(LED_BUILTIN, OUTPUT); // set build-in LED as output
current_palette = (uint8_t *)pgm_read_word(&images[current_image_index].palette); // init palette for current image
current_pixels = (uint8_t *)pgm_read_word(&images[current_image_index].pixels); // init pixels for current image
#ifdef NEOPIXEL
#if NEOPIXEL
ledStrip.begin();
ledStrip.show();
ledStrip.setBrightness(BRIGHTNESS);
#else
for (int i = 0; i < LED_COUNT * 4; i++) // loop over all LEDs
for (int i = 0; i < LED_COUNT * LED_STRIPES; i++) // loop over all LEDs
{
color_buffer[i] = rgb_color(0, 0, 0); // set to black
}
@ -100,7 +100,7 @@ void loop()
float current_diff = micros() - start; // get time passed in current loop
#ifdef TEST_STRIPES // testing stripes
#if TEST_STRIPES // testing stripes
int segment = (micros() / 500000) % NUM_SEGMENTS; // calculate current segment as half seconds passed since runtime
if (segment == current_segment) // do nothing if still in old segment
{
@ -119,9 +119,9 @@ void loop()
uint8_t *current_pixel = (uint8_t *)&current_pixels[((current_segment + strip_matrix_offset[strip]) % NUM_SEGMENTS) * LED_COUNT];
for (int i = 0; i < LED_COUNT; i++) // loop over all LEDs of current strip
{
pixel_color_index = pgm_read_byte(current_pixel++) * 3; // read color palette index for current pixel
uint8_t pixel_index = strip * LED_COUNT + (strip_matrix_invert[strip] ? (LED_COUNT - i) : i); // calculate index of LED with offset and inversion
#ifdef NEOPIXEL
pixel_color_index = pgm_read_byte(current_pixel++) * 3; // read color palette index for current pixel
uint8_t pixel_index = strip * LED_COUNT + (strip_matrix_invert[strip] ? (LED_COUNT - i - 1) : i); // calculate index of LED with offset and inversion
#if NEOPIXEL
// set pixel of NEOPIXEL
ledStrip.setPixelColor(pixel_index, pgm_read_byte(&current_palette[pixel_color_index]),
pgm_read_byte(&current_palette[pixel_color_index + 1]),
@ -135,7 +135,7 @@ void loop()
#endif
}
}
#ifdef NEOPIXEL
#if NEOPIXEL
ledStrip.show(); // update pixel
#else
ledStrip.write(color_buffer, LED_COUNT * LED_STRIPES, BRIGHTNESS); // write buffer to stripes